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-rw-r--r--3rdparty/asio/src/examples/cpp11/Makefile.am240
-rw-r--r--3rdparty/asio/src/examples/cpp11/Makefile.in2975
-rw-r--r--3rdparty/asio/src/examples/cpp11/allocation/.gitignore10
-rw-r--r--3rdparty/asio/src/examples/cpp11/allocation/server.cpp76
-rw-r--r--3rdparty/asio/src/examples/cpp11/buffers/.gitignore10
-rw-r--r--3rdparty/asio/src/examples/cpp11/buffers/reference_counted.cpp5
-rw-r--r--3rdparty/asio/src/examples/cpp11/chat/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp11/chat/chat_client.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/chat/chat_message.hpp6
-rw-r--r--3rdparty/asio/src/examples/cpp11/chat/chat_server.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/chat/posix_chat_client.cpp198
-rw-r--r--3rdparty/asio/src/examples/cpp11/deferred/deferred_1.cpp35
-rw-r--r--3rdparty/asio/src/examples/cpp11/deferred/deferred_2.cpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp6
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/.gitignore5
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/actor.cpp12
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/bank_account_1.cpp41
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/bank_account_2.cpp34
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/fork_join.cpp80
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/pipeline.cpp36
-rw-r--r--3rdparty/asio/src/examples/cpp11/executors/priority_scheduler.cpp42
-rw-r--r--3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp101
-rw-r--r--3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp65
-rw-r--r--3rdparty/asio/src/examples/cpp11/fork/daemon.cpp189
-rw-r--r--3rdparty/asio/src/examples/cpp11/fork/process_per_connection.cpp162
-rw-r--r--3rdparty/asio/src/examples/cpp11/futures/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp11/futures/daytime_client.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/handler_tracking/async_tcp_echo_server.cpp135
-rw-r--r--3rdparty/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp20
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/client/async_client.cpp204
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/client/sync_client.cpp106
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/connection.cpp5
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/connection.hpp4
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/connection_manager.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/connection_manager.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/header.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/main.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/mime_types.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/mime_types.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/reply.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/reply.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/request.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/request_handler.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/request_handler.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/request_parser.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/request_parser.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/server.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server/server.hpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/connection.cpp89
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/connection.hpp71
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/header.hpp28
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.cpp64
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.hpp59
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/main.cpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/mime_types.cpp46
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/mime_types.hpp27
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/reply.cpp255
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/reply.hpp64
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request.hpp34
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request_handler.cpp121
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request_handler.hpp47
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request_parser.cpp315
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp96
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/server.cpp86
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server2/server.hpp60
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/connection.cpp89
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/connection.hpp71
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/header.hpp28
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/main.cpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/mime_types.cpp46
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/mime_types.hpp27
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/reply.cpp255
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/reply.hpp64
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/request.hpp34
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/request_handler.cpp121
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/request_handler.hpp47
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/request_parser.cpp315
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/request_parser.hpp96
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/server.cpp97
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server3/server.hpp62
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/file_handler.cpp121
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/file_handler.hpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/header.hpp28
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/main.cpp60
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/mime_types.cpp46
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/mime_types.hpp27
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/reply.cpp255
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/reply.hpp64
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/request.hpp34
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/request_parser.cpp315
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/request_parser.hpp96
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/server.cpp122
-rw-r--r--3rdparty/asio/src/examples/cpp11/http/server4/server.hpp73
-rw-r--r--3rdparty/asio/src/examples/cpp11/icmp/icmp_header.hpp94
-rw-r--r--3rdparty/asio/src/examples/cpp11/icmp/ipv4_header.hpp102
-rw-r--r--3rdparty/asio/src/examples/cpp11/icmp/ping.cpp162
-rw-r--r--3rdparty/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp202
-rw-r--r--3rdparty/asio/src/examples/cpp11/iostreams/.gitignore11
-rw-r--r--3rdparty/asio/src/examples/cpp11/iostreams/daytime_client.cpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/iostreams/daytime_server.cpp51
-rw-r--r--3rdparty/asio/src/examples/cpp11/iostreams/http_client.cpp2
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp129
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_client.cpp102
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_server.cpp160
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/iostream_client.cpp61
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/stream_client.cpp60
-rw-r--r--3rdparty/asio/src/examples/cpp11/local/stream_server.cpp121
-rw-r--r--3rdparty/asio/src/examples/cpp11/multicast/receiver.cpp88
-rw-r--r--3rdparty/asio/src/examples/cpp11/multicast/sender.cpp91
-rw-r--r--3rdparty/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp212
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_1.cpp159
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_2.cpp229
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_3.cpp238
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_4.cpp252
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_5.cpp289
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_6.cpp349
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_7.cpp268
-rw-r--r--3rdparty/asio/src/examples/cpp11/operations/composed_8.cpp263
-rw-r--r--3rdparty/asio/src/examples/cpp11/parallel_group/ranged_wait_for_all.cpp70
-rw-r--r--3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_all.cpp62
-rw-r--r--3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one.cpp62
-rw-r--r--3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_error.cpp62
-rw-r--r--3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_success.cpp62
-rw-r--r--3rdparty/asio/src/examples/cpp11/porthopper/client.cpp188
-rw-r--r--3rdparty/asio/src/examples/cpp11/porthopper/protocol.hpp156
-rw-r--r--3rdparty/asio/src/examples/cpp11/porthopper/server.cpp187
-rw-r--r--3rdparty/asio/src/examples/cpp11/serialization/client.cpp125
-rw-r--r--3rdparty/asio/src/examples/cpp11/serialization/connection.hpp184
-rw-r--r--3rdparty/asio/src/examples/cpp11/serialization/server.cpp122
-rw-r--r--3rdparty/asio/src/examples/cpp11/serialization/stock.hpp50
-rw-r--r--3rdparty/asio/src/examples/cpp11/services/basic_logger.hpp78
-rw-r--r--3rdparty/asio/src/examples/cpp11/services/daytime_client.cpp101
-rw-r--r--3rdparty/asio/src/examples/cpp11/services/logger.hpp24
-rw-r--r--3rdparty/asio/src/examples/cpp11/services/logger_service.cpp11
-rw-r--r--3rdparty/asio/src/examples/cpp11/services/logger_service.hpp145
-rw-r--r--3rdparty/asio/src/examples/cpp11/socks4/socks4.hpp143
-rw-r--r--3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp94
-rw-r--r--3rdparty/asio/src/examples/cpp11/spawn/.gitignore12
-rw-r--r--3rdparty/asio/src/examples/cpp11/spawn/echo_server.cpp33
-rw-r--r--3rdparty/asio/src/examples/cpp11/spawn/parallel_grep.cpp6
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/README8
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/ca.pem50
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/client.cpp165
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/dh4096.pem25
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/server.cpp145
-rw-r--r--3rdparty/asio/src/examples/cpp11/ssl/server.pem99
-rw-r--r--3rdparty/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp311
-rw-r--r--3rdparty/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp192
-rw-r--r--3rdparty/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp171
-rw-r--r--3rdparty/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp155
-rw-r--r--3rdparty/asio/src/examples/cpp11/timeouts/server.cpp433
-rw-r--r--3rdparty/asio/src/examples/cpp11/timers/time_t_timer.cpp106
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime1/client.cpp57
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime2/server.cpp50
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime3/server.cpp118
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime4/client.cpp52
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime5/server.cpp53
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime6/server.cpp89
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/daytime7/server.cpp159
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/timer1/timer.cpp24
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/timer2/timer.cpp29
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/timer3/timer.cpp43
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/timer4/timer.cpp54
-rw-r--r--3rdparty/asio/src/examples/cpp11/tutorial/timer5/timer.cpp81
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/line_reader.hpp48
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/main.cpp60
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/sleep.cpp22
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/sleep.hpp35
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.cpp44
-rw-r--r--3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.hpp30
-rw-r--r--3rdparty/asio/src/examples/cpp11/windows/transmit_file.cpp176
178 files changed, 17572 insertions, 351 deletions
diff --git a/3rdparty/asio/src/examples/cpp11/Makefile.am b/3rdparty/asio/src/examples/cpp11/Makefile.am
index 182c711229f..a132a469ff5 100644
--- a/3rdparty/asio/src/examples/cpp11/Makefile.am
+++ b/3rdparty/asio/src/examples/cpp11/Makefile.am
@@ -14,6 +14,8 @@ noinst_PROGRAMS = \
buffers/reference_counted \
chat/chat_client \
chat/chat_server \
+ deferred/deferred_1 \
+ deferred/deferred_2 \
echo/async_tcp_echo_server \
echo/async_udp_echo_server \
echo/blocking_tcp_echo_client \
@@ -26,9 +28,84 @@ noinst_PROGRAMS = \
executors/fork_join \
executors/pipeline \
executors/priority_scheduler \
+ files/blocking_file_copy \
+ files/async_file_copy \
futures/daytime_client \
+ handler_tracking/async_tcp_echo_server \
+ http/client/async_client \
+ http/client/sync_client \
http/server/http_server \
- iostreams/http_client
+ http/server2/http_server \
+ http/server3/http_server \
+ http/server4/http_server \
+ icmp/ping \
+ invocation/prioritised_handlers \
+ iostreams/daytime_client \
+ iostreams/daytime_server \
+ iostreams/http_client \
+ multicast/receiver \
+ multicast/sender \
+ nonblocking/third_party_lib \
+ operations/composed_1 \
+ operations/composed_2 \
+ operations/composed_3 \
+ operations/composed_4 \
+ operations/composed_5 \
+ operations/composed_6 \
+ operations/composed_7 \
+ operations/composed_8 \
+ parallel_group/ranged_wait_for_all \
+ parallel_group/wait_for_all \
+ parallel_group/wait_for_one \
+ parallel_group/wait_for_one_error \
+ parallel_group/wait_for_one_success \
+ porthopper/client \
+ porthopper/server \
+ services/daytime_client \
+ socks4/sync_client \
+ timeouts/async_tcp_client \
+ timeouts/blocking_tcp_client \
+ timeouts/blocking_token_tcp_client \
+ timeouts/blocking_udp_client \
+ timeouts/server \
+ timers/time_t_timer \
+ tutorial/timer1/timer \
+ tutorial/timer2/timer \
+ tutorial/timer3/timer \
+ tutorial/timer4/timer \
+ tutorial/timer5/timer \
+ tutorial/daytime1/client \
+ tutorial/daytime2/server \
+ tutorial/daytime3/server \
+ tutorial/daytime4/client \
+ tutorial/daytime5/server \
+ tutorial/daytime6/server \
+ tutorial/daytime7/server \
+ type_erasure/type_erasure
+
+if !WINDOWS_TARGET
+noinst_PROGRAMS += \
+ chat/posix_chat_client \
+ fork/daemon \
+ fork/process_per_connection \
+ local/connect_pair \
+ local/iostream_client \
+ local/stream_server \
+ local/stream_client \
+ local/fd_passing_stream_server \
+ local/fd_passing_stream_client
+endif
+
+if WINDOWS_TARGET
+noinst_PROGRAMS += \
+ windows/transmit_file
+endif
+
+if HAVE_OPENSSL
+noinst_PROGRAMS += \
+ ssl/client \
+ ssl/server
+endif
if HAVE_BOOST_COROUTINE
noinst_PROGRAMS += \
@@ -37,7 +114,51 @@ noinst_PROGRAMS += \
endif
noinst_HEADERS = \
- chat/chat_message.hpp
+ chat/chat_message.hpp \
+ handler_tracking/custom_tracking.hpp \
+ http/server/connection.hpp \
+ http/server/connection_manager.hpp \
+ http/server/header.hpp \
+ http/server/mime_types.hpp \
+ http/server/reply.hpp \
+ http/server/request.hpp \
+ http/server/request_handler.hpp \
+ http/server/request_parser.hpp \
+ http/server/server.hpp \
+ http/server2/connection.hpp \
+ http/server2/io_context_pool.hpp \
+ http/server2/header.hpp \
+ http/server2/mime_types.hpp \
+ http/server2/reply.hpp \
+ http/server2/request.hpp \
+ http/server2/request_handler.hpp \
+ http/server2/request_parser.hpp \
+ http/server2/server.hpp \
+ http/server3/connection.hpp \
+ http/server3/header.hpp \
+ http/server3/mime_types.hpp \
+ http/server3/reply.hpp \
+ http/server3/request.hpp \
+ http/server3/request_handler.hpp \
+ http/server3/request_parser.hpp \
+ http/server3/server.hpp \
+ http/server4/file_handler.hpp \
+ http/server4/header.hpp \
+ http/server4/mime_types.hpp \
+ http/server4/reply.hpp \
+ http/server4/request.hpp \
+ http/server4/request_parser.hpp \
+ http/server4/server.hpp \
+ icmp/icmp_header.hpp \
+ icmp/ipv4_header.hpp \
+ porthopper/protocol.hpp \
+ services/basic_logger.hpp \
+ services/logger.hpp \
+ services/logger_service.hpp \
+ socks4/socks4.hpp \
+ type_erasure/line_reader.hpp \
+ type_erasure/stdin_line_reader.hpp \
+ type_erasure/sleep.hpp
AM_CXXFLAGS = -I$(srcdir)/../../../include
@@ -45,6 +166,8 @@ allocation_server_SOURCES = allocation/server.cpp
buffers_reference_counted_SOURCES = buffers/reference_counted.cpp
chat_chat_client_SOURCES = chat/chat_client.cpp
chat_chat_server_SOURCES = chat/chat_server.cpp
+deferred_deferred_1_SOURCES = deferred/deferred_1.cpp
+deferred_deferred_2_SOURCES = deferred/deferred_2.cpp
echo_async_tcp_echo_server_SOURCES = echo/async_tcp_echo_server.cpp
echo_async_udp_echo_server_SOURCES = echo/async_udp_echo_server.cpp
echo_blocking_tcp_echo_client_SOURCES = echo/blocking_tcp_echo_client.cpp
@@ -57,7 +180,12 @@ executors_bank_account_2_SOURCES = executors/bank_account_2.cpp
executors_fork_join_SOURCES = executors/fork_join.cpp
executors_pipeline_SOURCES = executors/pipeline.cpp
executors_priority_scheduler_SOURCES = executors/priority_scheduler.cpp
+files_blocking_file_copy_SOURCES = files/blocking_file_copy.cpp
+files_async_file_copy_SOURCES = files/async_file_copy.cpp
futures_daytime_client_SOURCES = futures/daytime_client.cpp
+handler_tracking_async_tcp_echo_server_SOURCES = handler_tracking/async_tcp_echo_server.cpp
+http_client_async_client_SOURCES = http/client/async_client.cpp
+http_client_sync_client_SOURCES = http/client/sync_client.cpp
http_server_http_server_SOURCES = \
http/server/connection.cpp \
http/server/connection_manager.cpp \
@@ -67,7 +195,97 @@ http_server_http_server_SOURCES = \
http/server/request_handler.cpp \
http/server/request_parser.cpp \
http/server/server.cpp
+http_server2_http_server_SOURCES = \
+ http/server2/connection.cpp \
+ http/server2/io_context_pool.cpp \
+ http/server2/main.cpp \
+ http/server2/mime_types.cpp \
+ http/server2/reply.cpp \
+ http/server2/request_handler.cpp \
+ http/server2/request_parser.cpp \
+ http/server2/server.cpp
+http_server3_http_server_SOURCES = \
+ http/server3/connection.cpp \
+ http/server3/main.cpp \
+ http/server3/mime_types.cpp \
+ http/server3/reply.cpp \
+ http/server3/request_handler.cpp \
+ http/server3/request_parser.cpp \
+ http/server3/server.cpp
+http_server4_http_server_SOURCES = \
+ http/server4/file_handler.cpp \
+ http/server4/main.cpp \
+ http/server4/mime_types.cpp \
+ http/server4/reply.cpp \
+ http/server4/request_parser.cpp \
+ http/server4/server.cpp
+icmp_ping_SOURCES = icmp/ping.cpp
+invocation_prioritised_handlers_SOURCES = invocation/prioritised_handlers.cpp
+iostreams_daytime_client_SOURCES = iostreams/daytime_client.cpp
+iostreams_daytime_server_SOURCES = iostreams/daytime_server.cpp
iostreams_http_client_SOURCES = iostreams/http_client.cpp
+multicast_receiver_SOURCES = multicast/receiver.cpp
+multicast_sender_SOURCES = multicast/sender.cpp
+nonblocking_third_party_lib_SOURCES = nonblocking/third_party_lib.cpp
+operations_composed_1_SOURCES = operations/composed_1.cpp
+operations_composed_2_SOURCES = operations/composed_2.cpp
+operations_composed_3_SOURCES = operations/composed_3.cpp
+operations_composed_4_SOURCES = operations/composed_4.cpp
+operations_composed_5_SOURCES = operations/composed_5.cpp
+operations_composed_6_SOURCES = operations/composed_6.cpp
+operations_composed_7_SOURCES = operations/composed_7.cpp
+operations_composed_8_SOURCES = operations/composed_8.cpp
+parallel_group_ranged_wait_for_all_SOURCES = parallel_group/ranged_wait_for_all.cpp
+parallel_group_wait_for_all_SOURCES = parallel_group/wait_for_all.cpp
+parallel_group_wait_for_one_SOURCES = parallel_group/wait_for_one.cpp
+parallel_group_wait_for_one_error_SOURCES = parallel_group/wait_for_one_error.cpp
+parallel_group_wait_for_one_success_SOURCES = parallel_group/wait_for_one_success.cpp
+porthopper_client_SOURCES = porthopper/client.cpp
+porthopper_server_SOURCES = porthopper/server.cpp
+services_daytime_client_SOURCES = \
+ services/daytime_client.cpp \
+ services/logger_service.cpp
+socks4_sync_client_SOURCES = socks4/sync_client.cpp
+timeouts_async_tcp_client_SOURCES = timeouts/async_tcp_client.cpp
+timeouts_blocking_tcp_client_SOURCES = timeouts/blocking_tcp_client.cpp
+timeouts_blocking_token_tcp_client_SOURCES = timeouts/blocking_token_tcp_client.cpp
+timeouts_blocking_udp_client_SOURCES = timeouts/blocking_udp_client.cpp
+timeouts_server_SOURCES = timeouts/server.cpp
+timers_time_t_timer_SOURCES = timers/time_t_timer.cpp
+tutorial_timer1_timer_SOURCES = tutorial/timer1/timer.cpp
+tutorial_timer2_timer_SOURCES = tutorial/timer2/timer.cpp
+tutorial_timer3_timer_SOURCES = tutorial/timer3/timer.cpp
+tutorial_timer4_timer_SOURCES = tutorial/timer4/timer.cpp
+tutorial_timer5_timer_SOURCES = tutorial/timer5/timer.cpp
+tutorial_daytime1_client_SOURCES = tutorial/daytime1/client.cpp
+tutorial_daytime2_server_SOURCES = tutorial/daytime2/server.cpp
+tutorial_daytime3_server_SOURCES = tutorial/daytime3/server.cpp
+tutorial_daytime4_client_SOURCES = tutorial/daytime4/client.cpp
+tutorial_daytime5_server_SOURCES = tutorial/daytime5/server.cpp
+tutorial_daytime6_server_SOURCES = tutorial/daytime6/server.cpp
+tutorial_daytime7_server_SOURCES = tutorial/daytime7/server.cpp
+type_erasure_type_erasure_SOURCES = type_erasure/main.cpp type_erasure/stdin_line_reader.cpp type_erasure/sleep.cpp
+
+if !WINDOWS_TARGET
+chat_posix_chat_client_SOURCES = chat/posix_chat_client.cpp
+fork_daemon_SOURCES = fork/daemon.cpp
+fork_process_per_connection_SOURCES = fork/process_per_connection.cpp
+local_connect_pair_SOURCES = local/connect_pair.cpp
+local_iostream_client_SOURCES = local/iostream_client.cpp
+local_stream_server_SOURCES = local/stream_server.cpp
+local_stream_client_SOURCES = local/stream_client.cpp
+local_fd_passing_stream_server_SOURCES = local/fd_passing_stream_server.cpp
+local_fd_passing_stream_client_SOURCES = local/fd_passing_stream_client.cpp
+endif
+
+if WINDOWS_TARGET
+windows_transmit_file_SOURCES = windows/transmit_file.cpp
+endif
+
+if HAVE_OPENSSL
+ssl_client_SOURCES = ssl/client.cpp
+ssl_server_SOURCES = ssl/server.cpp
+endif
if HAVE_BOOST_COROUTINE
spawn_echo_server_SOURCES = spawn/echo_server.cpp
@@ -77,16 +295,14 @@ spawn_parallel_grep_LDADD = $(LDADD) -lboost_coroutine -lboost_context -lboost_t
endif
EXTRA_DIST = \
- handler_tracking/custom_tracking.hpp \
- http/server/connection.hpp \
- http/server/connection_manager.hpp \
- http/server/header.hpp \
- http/server/mime_types.hpp \
- http/server/reply.hpp \
- http/server/request.hpp \
- http/server/request_handler.hpp \
- http/server/request_parser.hpp \
- http/server/server.hpp
+ serialization/client.cpp \
+ serialization/server.cpp \
+ serialization/connection.hpp \
+ serialization/stock.hpp \
+ ssl/README \
+ ssl/ca.pem \
+ ssl/server.pem \
+ ssl/dh4096.pem
MAINTAINERCLEANFILES = \
$(srcdir)/Makefile.in
diff --git a/3rdparty/asio/src/examples/cpp11/Makefile.in b/3rdparty/asio/src/examples/cpp11/Makefile.in
new file mode 100644
index 00000000000..0f73bb5b85a
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/Makefile.in
@@ -0,0 +1,2975 @@
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+
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+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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+ http/server3/reply.hpp \
+ http/server3/request.hpp \
+ http/server3/request_handler.hpp \
+ http/server3/request_parser.hpp \
+ http/server3/server.hpp \
+ http/server4/file_handler.hpp \
+ http/server4/header.hpp \
+ http/server4/mime_types.hpp \
+ http/server4/reply.hpp \
+ http/server4/request.hpp \
+ http/server4/request_parser.hpp \
+ http/server4/server.hpp \
+ icmp/icmp_header.hpp \
+ icmp/ipv4_header.hpp \
+ porthopper/protocol.hpp \
+ services/basic_logger.hpp \
+ services/logger.hpp \
+ services/logger_service.hpp \
+ socks4/socks4.hpp \
+ type_erasure/line_reader.hpp \
+ type_erasure/stdin_line_reader.hpp \
+ type_erasure/sleep.hpp
+
+AM_CXXFLAGS = -I$(srcdir)/../../../include
+allocation_server_SOURCES = allocation/server.cpp
+buffers_reference_counted_SOURCES = buffers/reference_counted.cpp
+chat_chat_client_SOURCES = chat/chat_client.cpp
+chat_chat_server_SOURCES = chat/chat_server.cpp
+deferred_deferred_1_SOURCES = deferred/deferred_1.cpp
+deferred_deferred_2_SOURCES = deferred/deferred_2.cpp
+echo_async_tcp_echo_server_SOURCES = echo/async_tcp_echo_server.cpp
+echo_async_udp_echo_server_SOURCES = echo/async_udp_echo_server.cpp
+echo_blocking_tcp_echo_client_SOURCES = echo/blocking_tcp_echo_client.cpp
+echo_blocking_tcp_echo_server_SOURCES = echo/blocking_tcp_echo_server.cpp
+echo_blocking_udp_echo_client_SOURCES = echo/blocking_udp_echo_client.cpp
+echo_blocking_udp_echo_server_SOURCES = echo/blocking_udp_echo_server.cpp
+executors_actor_SOURCES = executors/actor.cpp
+executors_bank_account_1_SOURCES = executors/bank_account_1.cpp
+executors_bank_account_2_SOURCES = executors/bank_account_2.cpp
+executors_fork_join_SOURCES = executors/fork_join.cpp
+executors_pipeline_SOURCES = executors/pipeline.cpp
+executors_priority_scheduler_SOURCES = executors/priority_scheduler.cpp
+files_blocking_file_copy_SOURCES = files/blocking_file_copy.cpp
+files_async_file_copy_SOURCES = files/async_file_copy.cpp
+futures_daytime_client_SOURCES = futures/daytime_client.cpp
+handler_tracking_async_tcp_echo_server_SOURCES = handler_tracking/async_tcp_echo_server.cpp
+http_client_async_client_SOURCES = http/client/async_client.cpp
+http_client_sync_client_SOURCES = http/client/sync_client.cpp
+http_server_http_server_SOURCES = \
+ http/server/connection.cpp \
+ http/server/connection_manager.cpp \
+ http/server/main.cpp \
+ http/server/mime_types.cpp \
+ http/server/reply.cpp \
+ http/server/request_handler.cpp \
+ http/server/request_parser.cpp \
+ http/server/server.cpp
+
+http_server2_http_server_SOURCES = \
+ http/server2/connection.cpp \
+ http/server2/io_context_pool.cpp \
+ http/server2/main.cpp \
+ http/server2/mime_types.cpp \
+ http/server2/reply.cpp \
+ http/server2/request_handler.cpp \
+ http/server2/request_parser.cpp \
+ http/server2/server.cpp
+
+http_server3_http_server_SOURCES = \
+ http/server3/connection.cpp \
+ http/server3/main.cpp \
+ http/server3/mime_types.cpp \
+ http/server3/reply.cpp \
+ http/server3/request_handler.cpp \
+ http/server3/request_parser.cpp \
+ http/server3/server.cpp
+
+http_server4_http_server_SOURCES = \
+ http/server4/file_handler.cpp \
+ http/server4/main.cpp \
+ http/server4/mime_types.cpp \
+ http/server4/reply.cpp \
+ http/server4/request_parser.cpp \
+ http/server4/server.cpp
+
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+invocation_prioritised_handlers_SOURCES = invocation/prioritised_handlers.cpp
+iostreams_daytime_client_SOURCES = iostreams/daytime_client.cpp
+iostreams_daytime_server_SOURCES = iostreams/daytime_server.cpp
+iostreams_http_client_SOURCES = iostreams/http_client.cpp
+multicast_receiver_SOURCES = multicast/receiver.cpp
+multicast_sender_SOURCES = multicast/sender.cpp
+nonblocking_third_party_lib_SOURCES = nonblocking/third_party_lib.cpp
+operations_composed_1_SOURCES = operations/composed_1.cpp
+operations_composed_2_SOURCES = operations/composed_2.cpp
+operations_composed_3_SOURCES = operations/composed_3.cpp
+operations_composed_4_SOURCES = operations/composed_4.cpp
+operations_composed_5_SOURCES = operations/composed_5.cpp
+operations_composed_6_SOURCES = operations/composed_6.cpp
+operations_composed_7_SOURCES = operations/composed_7.cpp
+operations_composed_8_SOURCES = operations/composed_8.cpp
+parallel_group_ranged_wait_for_all_SOURCES = parallel_group/ranged_wait_for_all.cpp
+parallel_group_wait_for_all_SOURCES = parallel_group/wait_for_all.cpp
+parallel_group_wait_for_one_SOURCES = parallel_group/wait_for_one.cpp
+parallel_group_wait_for_one_error_SOURCES = parallel_group/wait_for_one_error.cpp
+parallel_group_wait_for_one_success_SOURCES = parallel_group/wait_for_one_success.cpp
+porthopper_client_SOURCES = porthopper/client.cpp
+porthopper_server_SOURCES = porthopper/server.cpp
+services_daytime_client_SOURCES = \
+ services/daytime_client.cpp \
+ services/logger_service.cpp
+
+socks4_sync_client_SOURCES = socks4/sync_client.cpp
+timeouts_async_tcp_client_SOURCES = timeouts/async_tcp_client.cpp
+timeouts_blocking_tcp_client_SOURCES = timeouts/blocking_tcp_client.cpp
+timeouts_blocking_token_tcp_client_SOURCES = timeouts/blocking_token_tcp_client.cpp
+timeouts_blocking_udp_client_SOURCES = timeouts/blocking_udp_client.cpp
+timeouts_server_SOURCES = timeouts/server.cpp
+timers_time_t_timer_SOURCES = timers/time_t_timer.cpp
+tutorial_timer1_timer_SOURCES = tutorial/timer1/timer.cpp
+tutorial_timer2_timer_SOURCES = tutorial/timer2/timer.cpp
+tutorial_timer3_timer_SOURCES = tutorial/timer3/timer.cpp
+tutorial_timer4_timer_SOURCES = tutorial/timer4/timer.cpp
+tutorial_timer5_timer_SOURCES = tutorial/timer5/timer.cpp
+tutorial_daytime1_client_SOURCES = tutorial/daytime1/client.cpp
+tutorial_daytime2_server_SOURCES = tutorial/daytime2/server.cpp
+tutorial_daytime3_server_SOURCES = tutorial/daytime3/server.cpp
+tutorial_daytime4_client_SOURCES = tutorial/daytime4/client.cpp
+tutorial_daytime5_server_SOURCES = tutorial/daytime5/server.cpp
+tutorial_daytime6_server_SOURCES = tutorial/daytime6/server.cpp
+tutorial_daytime7_server_SOURCES = tutorial/daytime7/server.cpp
+type_erasure_type_erasure_SOURCES = type_erasure/main.cpp type_erasure/stdin_line_reader.cpp type_erasure/sleep.cpp
+@WINDOWS_TARGET_FALSE@chat_posix_chat_client_SOURCES = chat/posix_chat_client.cpp
+@WINDOWS_TARGET_FALSE@fork_daemon_SOURCES = fork/daemon.cpp
+@WINDOWS_TARGET_FALSE@fork_process_per_connection_SOURCES = fork/process_per_connection.cpp
+@WINDOWS_TARGET_FALSE@local_connect_pair_SOURCES = local/connect_pair.cpp
+@WINDOWS_TARGET_FALSE@local_iostream_client_SOURCES = local/iostream_client.cpp
+@WINDOWS_TARGET_FALSE@local_stream_server_SOURCES = local/stream_server.cpp
+@WINDOWS_TARGET_FALSE@local_stream_client_SOURCES = local/stream_client.cpp
+@WINDOWS_TARGET_FALSE@local_fd_passing_stream_server_SOURCES = local/fd_passing_stream_server.cpp
+@WINDOWS_TARGET_FALSE@local_fd_passing_stream_client_SOURCES = local/fd_passing_stream_client.cpp
+@WINDOWS_TARGET_TRUE@windows_transmit_file_SOURCES = windows/transmit_file.cpp
+@HAVE_OPENSSL_TRUE@ssl_client_SOURCES = ssl/client.cpp
+@HAVE_OPENSSL_TRUE@ssl_server_SOURCES = ssl/server.cpp
+@HAVE_BOOST_COROUTINE_TRUE@spawn_echo_server_SOURCES = spawn/echo_server.cpp
+@HAVE_BOOST_COROUTINE_TRUE@spawn_echo_server_LDADD = $(LDADD) -lboost_coroutine -lboost_context -lboost_thread -lboost_chrono -lboost_system
+@HAVE_BOOST_COROUTINE_TRUE@spawn_parallel_grep_SOURCES = spawn/parallel_grep.cpp
+@HAVE_BOOST_COROUTINE_TRUE@spawn_parallel_grep_LDADD = $(LDADD) -lboost_coroutine -lboost_context -lboost_thread -lboost_chrono -lboost_system
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+ serialization/client.cpp \
+ serialization/server.cpp \
+ serialization/connection.hpp \
+ serialization/stock.hpp \
+ ssl/README \
+ ssl/ca.pem \
+ ssl/server.pem \
+ ssl/dh4096.pem
+
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+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+ clean-generic clean-noinstLIBRARIES clean-noinstPROGRAMS \
+ cscopelist-am ctags ctags-am distclean distclean-compile \
+ distclean-generic distclean-tags distdir dvi dvi-am html \
+ html-am info info-am install install-am install-data \
+ install-data-am install-dvi install-dvi-am install-exec \
+ install-exec-am install-html install-html-am install-info \
+ install-info-am install-man install-pdf install-pdf-am \
+ install-ps install-ps-am install-strip installcheck \
+ installcheck-am installdirs maintainer-clean \
+ maintainer-clean-generic mostlyclean mostlyclean-compile \
+ mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
+ uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/3rdparty/asio/src/examples/cpp11/allocation/.gitignore b/3rdparty/asio/src/examples/cpp11/allocation/.gitignore
deleted file mode 100644
index 180ba886e58..00000000000
--- a/3rdparty/asio/src/examples/cpp11/allocation/.gitignore
+++ /dev/null
@@ -1,10 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-server
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/allocation/server.cpp b/3rdparty/asio/src/examples/cpp11/allocation/server.cpp
index cbcbe76fe68..48bc119c1c5 100644
--- a/3rdparty/asio/src/examples/cpp11/allocation/server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/allocation/server.cpp
@@ -2,7 +2,7 @@
// server.cpp
// ~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,16 +22,16 @@ using asio::ip::tcp;
// It contains a single block of memory which may be returned for allocation
// requests. If the memory is in use when an allocation request is made, the
// allocator delegates allocation to the global heap.
-class handler_allocator
+class handler_memory
{
public:
- handler_allocator()
+ handler_memory()
: in_use_(false)
{
}
- handler_allocator(const handler_allocator&) = delete;
- handler_allocator& operator=(const handler_allocator&) = delete;
+ handler_memory(const handler_memory&) = delete;
+ handler_memory& operator=(const handler_memory&) = delete;
void* allocate(std::size_t size)
{
@@ -66,49 +66,51 @@ private:
bool in_use_;
};
-// Wrapper class template for handler objects to allow handler memory
-// allocation to be customised. Calls to operator() are forwarded to the
-// encapsulated handler.
-template <typename Handler>
-class custom_alloc_handler
+// The allocator to be associated with the handler objects. This allocator only
+// needs to satisfy the C++11 minimal allocator requirements.
+template <typename T>
+class handler_allocator
{
public:
- custom_alloc_handler(handler_allocator& a, Handler h)
- : allocator_(a),
- handler_(h)
+ using value_type = T;
+
+ explicit handler_allocator(handler_memory& mem)
+ : memory_(mem)
{
}
- template <typename ...Args>
- void operator()(Args&&... args)
+ template <typename U>
+ handler_allocator(const handler_allocator<U>& other) noexcept
+ : memory_(other.memory_)
{
- handler_(std::forward<Args>(args)...);
}
- friend void* asio_handler_allocate(std::size_t size,
- custom_alloc_handler<Handler>* this_handler)
+ bool operator==(const handler_allocator& other) const noexcept
{
- return this_handler->allocator_.allocate(size);
+ return &memory_ == &other.memory_;
}
- friend void asio_handler_deallocate(void* pointer, std::size_t /*size*/,
- custom_alloc_handler<Handler>* this_handler)
+ bool operator!=(const handler_allocator& other) const noexcept
{
- this_handler->allocator_.deallocate(pointer);
+ return &memory_ != &other.memory_;
+ }
+
+ T* allocate(std::size_t n) const
+ {
+ return static_cast<T*>(memory_.allocate(sizeof(T) * n));
+ }
+
+ void deallocate(T* p, std::size_t /*n*/) const
+ {
+ return memory_.deallocate(p);
}
private:
- handler_allocator& allocator_;
- Handler handler_;
-};
+ template <typename> friend class handler_allocator;
-// Helper function to wrap a handler object to add custom allocation.
-template <typename Handler>
-inline custom_alloc_handler<Handler> make_custom_alloc_handler(
- handler_allocator& a, Handler h)
-{
- return custom_alloc_handler<Handler>(a, h);
-}
+ // The underlying memory.
+ handler_memory& memory_;
+};
class session
: public std::enable_shared_from_this<session>
@@ -129,7 +131,8 @@ private:
{
auto self(shared_from_this());
socket_.async_read_some(asio::buffer(data_),
- make_custom_alloc_handler(allocator_,
+ asio::bind_allocator(
+ handler_allocator<int>(handler_memory_),
[this, self](std::error_code ec, std::size_t length)
{
if (!ec)
@@ -143,7 +146,8 @@ private:
{
auto self(shared_from_this());
asio::async_write(socket_, asio::buffer(data_, length),
- make_custom_alloc_handler(allocator_,
+ asio::bind_allocator(
+ handler_allocator<int>(handler_memory_),
[this, self](std::error_code ec, std::size_t /*length*/)
{
if (!ec)
@@ -159,8 +163,8 @@ private:
// Buffer used to store data received from the client.
std::array<char, 1024> data_;
- // The allocator to use for handler-based custom memory allocation.
- handler_allocator allocator_;
+ // The memory to use for handler-based custom memory allocation.
+ handler_memory handler_memory_;
};
class server
diff --git a/3rdparty/asio/src/examples/cpp11/buffers/.gitignore b/3rdparty/asio/src/examples/cpp11/buffers/.gitignore
deleted file mode 100644
index abe68c665f5..00000000000
--- a/3rdparty/asio/src/examples/cpp11/buffers/.gitignore
+++ /dev/null
@@ -1,10 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-reference_counted
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/buffers/reference_counted.cpp b/3rdparty/asio/src/examples/cpp11/buffers/reference_counted.cpp
index 34fe9090dfd..cee56ff786b 100644
--- a/3rdparty/asio/src/examples/cpp11/buffers/reference_counted.cpp
+++ b/3rdparty/asio/src/examples/cpp11/buffers/reference_counted.cpp
@@ -2,7 +2,7 @@
// reference_counted.cpp
// ~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -13,6 +13,7 @@
#include <memory>
#include <utility>
#include <vector>
+#include <ctime>
using asio::ip::tcp;
@@ -60,7 +61,7 @@ private:
auto self(shared_from_this());
asio::async_write(socket_, buffer,
- [this, self](std::error_code /*ec*/, std::size_t /*length*/)
+ [self](std::error_code /*ec*/, std::size_t /*length*/)
{
});
}
diff --git a/3rdparty/asio/src/examples/cpp11/chat/.gitignore b/3rdparty/asio/src/examples/cpp11/chat/.gitignore
deleted file mode 100644
index 0882fa6ced3..00000000000
--- a/3rdparty/asio/src/examples/cpp11/chat/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-*_server
-*_client
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/chat/chat_client.cpp b/3rdparty/asio/src/examples/cpp11/chat/chat_client.cpp
index e672a022d04..c0393ee8266 100644
--- a/3rdparty/asio/src/examples/cpp11/chat/chat_client.cpp
+++ b/3rdparty/asio/src/examples/cpp11/chat/chat_client.cpp
@@ -2,7 +2,7 @@
// chat_client.cpp
// ~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/chat/chat_message.hpp b/3rdparty/asio/src/examples/cpp11/chat/chat_message.hpp
index f6e949bf2e2..2ae82fa1257 100644
--- a/3rdparty/asio/src/examples/cpp11/chat/chat_message.hpp
+++ b/3rdparty/asio/src/examples/cpp11/chat/chat_message.hpp
@@ -2,7 +2,7 @@
// chat_message.hpp
// ~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,8 +18,8 @@
class chat_message
{
public:
- enum { header_length = 4 };
- enum { max_body_length = 512 };
+ static constexpr std::size_t header_length = 4;
+ static constexpr std::size_t max_body_length = 512;
chat_message()
: body_length_(0)
diff --git a/3rdparty/asio/src/examples/cpp11/chat/chat_server.cpp b/3rdparty/asio/src/examples/cpp11/chat/chat_server.cpp
index 6e5ba3b8ee2..7a5dfe33d4f 100644
--- a/3rdparty/asio/src/examples/cpp11/chat/chat_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/chat/chat_server.cpp
@@ -2,7 +2,7 @@
// chat_server.cpp
// ~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/chat/posix_chat_client.cpp b/3rdparty/asio/src/examples/cpp11/chat/posix_chat_client.cpp
new file mode 100644
index 00000000000..a77b8cfb001
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/chat/posix_chat_client.cpp
@@ -0,0 +1,198 @@
+//
+// posix_chat_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include "asio.hpp"
+#include "chat_message.hpp"
+
+#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+
+using asio::ip::tcp;
+namespace posix = asio::posix;
+
+class posix_chat_client
+{
+public:
+ posix_chat_client(asio::io_context& io_context,
+ const tcp::resolver::results_type& endpoints)
+ : socket_(io_context),
+ input_(io_context, ::dup(STDIN_FILENO)),
+ output_(io_context, ::dup(STDOUT_FILENO)),
+ input_buffer_(chat_message::max_body_length)
+ {
+ do_connect(endpoints);
+ }
+
+private:
+ void do_connect(const tcp::resolver::results_type& endpoints)
+ {
+ asio::async_connect(socket_, endpoints,
+ [this](std::error_code ec, tcp::endpoint)
+ {
+ if (!ec)
+ {
+ do_read_header();
+ do_read_input();
+ }
+ });
+ }
+
+ void do_read_header()
+ {
+ asio::async_read(socket_,
+ asio::buffer(read_msg_.data(), chat_message::header_length),
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec && read_msg_.decode_header())
+ {
+ do_read_body();
+ }
+ else
+ {
+ close();
+ }
+ });
+ }
+
+ void do_read_body()
+ {
+ asio::async_read(socket_,
+ asio::buffer(read_msg_.body(), read_msg_.body_length()),
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ {
+ do_write_output();
+ }
+ else
+ {
+ close();
+ }
+ });
+ }
+
+ void do_write_output()
+ {
+ // Write out the message we just received, terminated by a newline.
+ static char eol[] = { '\n' };
+ std::array<asio::const_buffer, 2> buffers = {{
+ asio::buffer(read_msg_.body(), read_msg_.body_length()),
+ asio::buffer(eol) }};
+ asio::async_write(output_, buffers,
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ {
+ do_read_header();
+ }
+ else
+ {
+ close();
+ }
+ });
+ }
+
+ void do_read_input()
+ {
+ // Read a line of input entered by the user.
+ asio::async_read_until(input_, input_buffer_, '\n',
+ [this](std::error_code ec, std::size_t length)
+ {
+ if (!ec)
+ {
+ // Write the message (minus the newline) to the server.
+ write_msg_.body_length(length - 1);
+ input_buffer_.sgetn(write_msg_.body(), length - 1);
+ input_buffer_.consume(1); // Remove newline from input.
+ write_msg_.encode_header();
+ do_write_message();
+ }
+ else if (ec == asio::error::not_found)
+ {
+ // Didn't get a newline. Send whatever we have.
+ write_msg_.body_length(input_buffer_.size());
+ input_buffer_.sgetn(write_msg_.body(), input_buffer_.size());
+ write_msg_.encode_header();
+ do_write_message();
+ }
+ else
+ {
+ close();
+ }
+ });
+ }
+
+ void do_write_message()
+ {
+ asio::async_write(socket_,
+ asio::buffer(write_msg_.data(), write_msg_.length()),
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ {
+ do_read_input();
+ }
+ else
+ {
+ close();
+ }
+ });
+ }
+
+ void close()
+ {
+ // Cancel all outstanding asynchronous operations.
+ socket_.close();
+ input_.close();
+ output_.close();
+ }
+
+private:
+ tcp::socket socket_;
+ posix::stream_descriptor input_;
+ posix::stream_descriptor output_;
+ chat_message read_msg_;
+ chat_message write_msg_;
+ asio::streambuf input_buffer_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: posix_chat_client <host> <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ tcp::resolver resolver(io_context);
+ tcp::resolver::results_type endpoints = resolver.resolve(argv[1], argv[2]);
+
+ posix_chat_client c(io_context, endpoints);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/deferred/deferred_1.cpp b/3rdparty/asio/src/examples/cpp11/deferred/deferred_1.cpp
new file mode 100644
index 00000000000..db9213eb3be
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/deferred/deferred_1.cpp
@@ -0,0 +1,35 @@
+//
+// deferred_1.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <iostream>
+
+using asio::deferred;
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::steady_timer timer(ctx);
+ timer.expires_after(std::chrono::seconds(1));
+
+ auto deferred_op = timer.async_wait(deferred);
+
+ std::move(deferred_op)(
+ [](std::error_code ec)
+ {
+ std::cout << "timer wait finished: " << ec.message() << "\n";
+ }
+ );
+
+ ctx.run();
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/deferred/deferred_2.cpp b/3rdparty/asio/src/examples/cpp11/deferred/deferred_2.cpp
new file mode 100644
index 00000000000..07528282de5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/deferred/deferred_2.cpp
@@ -0,0 +1,44 @@
+//
+// deferred_2.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <iostream>
+
+using asio::deferred;
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::steady_timer timer(ctx);
+ timer.expires_after(std::chrono::seconds(1));
+
+ auto deferred_op = timer.async_wait(
+ deferred(
+ [&](std::error_code ec)
+ {
+ std::cout << "first timer wait finished: " << ec.message() << "\n";
+ timer.expires_after(std::chrono::seconds(1));
+ return timer.async_wait(deferred);
+ }
+ )
+ );
+
+ std::move(deferred_op)(
+ [](std::error_code ec)
+ {
+ std::cout << "second timer wait finished: " << ec.message() << "\n";
+ }
+ );
+
+ ctx.run();
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/echo/.gitignore b/3rdparty/asio/src/examples/cpp11/echo/.gitignore
deleted file mode 100644
index 0882fa6ced3..00000000000
--- a/3rdparty/asio/src/examples/cpp11/echo/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-*_server
-*_client
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp b/3rdparty/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
index d76ebe94aae..b8ba5337697 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/async_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
// async_tcp_echo_server.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp b/3rdparty/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
index 8eb1b37f8b6..8e5c26fba2a 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/async_udp_echo_server.cpp
@@ -2,7 +2,7 @@
// async_udp_echo_server.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp b/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
index c7c648df97f..8a281203f89 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_client.cpp
@@ -2,7 +2,7 @@
// blocking_tcp_echo_client.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp b/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
index 84a72d44453..34e5f221695 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/blocking_tcp_echo_server.cpp
@@ -2,7 +2,7 @@
// blocking_tcp_echo_server.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,12 +26,12 @@ void session(tcp::socket sock)
{
char data[max_length];
- asio::error_code error;
+ std::error_code error;
size_t length = sock.read_some(asio::buffer(data), error);
if (error == asio::error::eof)
break; // Connection closed cleanly by peer.
else if (error)
- throw asio::system_error(error); // Some other error.
+ throw std::system_error(error); // Some other error.
asio::write(sock, asio::buffer(data, length));
}
diff --git a/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
index 1d15780c429..3f2b60e3ccc 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_client.cpp
@@ -2,7 +2,7 @@
// blocking_udp_echo_client.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
index 8bb51735f26..64c6defb885 100644
--- a/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/echo/blocking_udp_echo_server.cpp
@@ -2,7 +2,7 @@
// blocking_udp_echo_server.cpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/executors/.gitignore b/3rdparty/asio/src/examples/cpp11/executors/.gitignore
deleted file mode 100644
index 183cecf7165..00000000000
--- a/3rdparty/asio/src/examples/cpp11/executors/.gitignore
+++ /dev/null
@@ -1,5 +0,0 @@
-actor
-bank_account_[0-9]
-fork_join
-pipeline
-priority_scheduler
diff --git a/3rdparty/asio/src/examples/cpp11/executors/actor.cpp b/3rdparty/asio/src/examples/cpp11/executors/actor.cpp
index 22dbf206a17..1f0e2c11308 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/actor.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/actor.cpp
@@ -1,5 +1,5 @@
+#include <asio/any_io_executor.hpp>
#include <asio/defer.hpp>
-#include <asio/executor.hpp>
#include <asio/post.hpp>
#include <asio/strand.hpp>
#include <asio/system_executor.hpp>
@@ -10,8 +10,8 @@
#include <typeinfo>
#include <vector>
+using asio::any_io_executor;
using asio::defer;
-using asio::executor;
using asio::post;
using asio::strand;
using asio::system_executor;
@@ -106,7 +106,7 @@ public:
protected:
// Construct the actor to use the specified executor for all message handlers.
- actor(executor e)
+ actor(any_io_executor e)
: executor_(std::move(e))
{
}
@@ -124,7 +124,7 @@ protected:
template <class Actor, class Message>
void deregister_handler(void (Actor::* mf)(Message, actor_address))
{
- const std::type_info& id = typeid(message_handler<Message>);
+ const std::type_info& id = typeid(Message);
for (auto iter = handlers_.begin(); iter != handlers_.end(); ++iter)
{
if ((*iter)->message_id() == id)
@@ -171,7 +171,7 @@ private:
// All messages associated with a single actor object should be processed
// non-concurrently. We use a strand to ensure non-concurrent execution even
// if the underlying executor may use multiple threads.
- strand<executor> executor_;
+ strand<any_io_executor> executor_;
std::vector<std::shared_ptr<message_handler_base>> handlers_;
};
@@ -221,7 +221,7 @@ using asio::thread_pool;
class member : public actor
{
public:
- explicit member(executor e)
+ explicit member(any_io_executor e)
: actor(std::move(e))
{
register_handler(&member::init_handler);
diff --git a/3rdparty/asio/src/examples/cpp11/executors/bank_account_1.cpp b/3rdparty/asio/src/examples/cpp11/executors/bank_account_1.cpp
index 85f7d9582af..a63d7fc059b 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/bank_account_1.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/bank_account_1.cpp
@@ -1,9 +1,9 @@
-#include <asio/post.hpp>
-#include <asio/thread_pool.hpp>
+#include <asio/execution.hpp>
+#include <asio/static_thread_pool.hpp>
#include <iostream>
-using asio::post;
-using asio::thread_pool;
+using asio::static_thread_pool;
+namespace execution = asio::execution;
// Traditional active object pattern.
// Member functions do not block.
@@ -11,37 +11,40 @@ using asio::thread_pool;
class bank_account
{
int balance_ = 0;
- mutable thread_pool pool_{1};
+ mutable static_thread_pool pool_{1};
public:
void deposit(int amount)
{
- post(pool_, [=]
- {
- balance_ += amount;
- });
+ pool_.executor().execute(
+ [this, amount]
+ {
+ balance_ += amount;
+ });
}
void withdraw(int amount)
{
- post(pool_, [=]
- {
- if (balance_ >= amount)
- balance_ -= amount;
- });
+ pool_.executor().execute(
+ [this, amount]
+ {
+ if (balance_ >= amount)
+ balance_ -= amount;
+ });
}
void print_balance() const
{
- post(pool_, [=]
- {
- std::cout << "balance = " << balance_ << "\n";
- });
+ pool_.executor().execute(
+ [this]
+ {
+ std::cout << "balance = " << balance_ << "\n";
+ });
}
~bank_account()
{
- pool_.join();
+ pool_.wait();
}
};
diff --git a/3rdparty/asio/src/examples/cpp11/executors/bank_account_2.cpp b/3rdparty/asio/src/examples/cpp11/executors/bank_account_2.cpp
index b646cb29518..45a24abc352 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/bank_account_2.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/bank_account_2.cpp
@@ -1,11 +1,9 @@
-#include <asio/post.hpp>
-#include <asio/thread_pool.hpp>
-#include <asio/use_future.hpp>
+#include <asio/execution.hpp>
+#include <asio/static_thread_pool.hpp>
#include <iostream>
-using asio::post;
-using asio::thread_pool;
-using asio::use_future;
+using asio::static_thread_pool;
+namespace execution = asio::execution;
// Traditional active object pattern.
// Member functions block until operation is finished.
@@ -13,35 +11,37 @@ using asio::use_future;
class bank_account
{
int balance_ = 0;
- mutable thread_pool pool_{1};
+ mutable static_thread_pool pool_{1};
public:
void deposit(int amount)
{
- post(pool_,
- use_future([=]
+ asio::require(pool_.executor(), execution::blocking.always).execute(
+ [this, amount]
{
balance_ += amount;
- })).get();
+ });
}
void withdraw(int amount)
{
- post(pool_,
- use_future([=]
+ asio::require(pool_.executor(), execution::blocking.always).execute(
+ [this, amount]
{
if (balance_ >= amount)
balance_ -= amount;
- })).get();
+ });
}
int balance() const
{
- return post(pool_,
- use_future([=]
+ int result = 0;
+ asio::require(pool_.executor(), execution::blocking.always).execute(
+ [this, &result]
{
- return balance_;
- })).get();
+ result = balance_;
+ });
+ return result;
}
};
diff --git a/3rdparty/asio/src/examples/cpp11/executors/fork_join.cpp b/3rdparty/asio/src/examples/cpp11/executors/fork_join.cpp
index 69716814823..7e8a827356d 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/fork_join.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/fork_join.cpp
@@ -1,20 +1,20 @@
-#include <asio/dispatch.hpp>
-#include <asio/execution_context.hpp>
-#include <asio/thread_pool.hpp>
+#include <asio/execution.hpp>
+#include <asio/static_thread_pool.hpp>
+#include <algorithm>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <queue>
#include <thread>
+#include <numeric>
-using asio::dispatch;
-using asio::execution_context;
-using asio::thread_pool;
+using asio::static_thread_pool;
+namespace execution = asio::execution;
// A fixed-size thread pool used to implement fork/join semantics. Functions
// are scheduled using a simple FIFO queue. Implementing work stealing, or
// using a queue based on atomic operations, are left as tasks for the reader.
-class fork_join_pool : public execution_context
+class fork_join_pool
{
public:
// The constructor starts a thread pool with the specified number of threads.
@@ -22,7 +22,7 @@ public:
// Additional threads may temporarily be added to the pool if they join a
// fork_executor.
explicit fork_join_pool(
- std::size_t thread_count = std::thread::hardware_concurrency() * 2)
+ std::size_t thread_count = std::max(std::thread::hardware_concurrency(), 1u) * 2)
: use_count_(1),
threads_(thread_count)
{
@@ -32,7 +32,8 @@ public:
// it is time to shut down, i.e. the use count is zero.
for (thread_count_ = 0; thread_count_ < thread_count; ++thread_count_)
{
- dispatch(threads_, [&]
+ threads_.executor().execute(
+ [this]
{
std::unique_lock<std::mutex> lock(mutex_);
while (use_count_ > 0)
@@ -44,7 +45,7 @@ public:
catch (...)
{
stop_threads();
- threads_.join();
+ threads_.wait();
throw;
}
}
@@ -53,7 +54,7 @@ public:
~fork_join_pool()
{
stop_threads();
- threads_.join();
+ threads_.wait();
}
private:
@@ -117,7 +118,7 @@ private:
// Dispatch a function, executing it immediately if the queue is already
// loaded. Otherwise adds the function to the queue and wakes a thread.
- void do_dispatch(std::shared_ptr<function_base> p,
+ void do_execute(std::shared_ptr<function_base> p,
const std::shared_ptr<std::size_t>& work_count)
{
std::unique_lock<std::mutex> lock(mutex_);
@@ -135,16 +136,6 @@ private:
}
}
- // Add a function to the queue and wake a thread.
- void do_post(std::shared_ptr<function_base> p,
- const std::shared_ptr<std::size_t>& work_count)
- {
- std::lock_guard<std::mutex> lock(mutex_);
- queue_.push(p);
- do_work_started(work_count);
- condition_.notify_one();
- }
-
// Ask all threads to shut down.
void stop_threads()
{
@@ -158,7 +149,7 @@ private:
std::queue<std::shared_ptr<function_base>> queue_;
std::size_t use_count_;
std::size_t thread_count_;
- thread_pool threads_;
+ static_thread_pool threads_;
};
// A class that satisfies the Executor requirements. Every function or piece of
@@ -172,45 +163,16 @@ public:
{
}
- fork_join_pool& context() const noexcept
+ fork_join_pool& query(execution::context_t) const noexcept
{
return context_;
}
- void on_work_started() const noexcept
- {
- std::lock_guard<std::mutex> lock(context_.mutex_);
- context_.do_work_started(work_count_);
- }
-
- void on_work_finished() const noexcept
- {
- std::lock_guard<std::mutex> lock(context_.mutex_);
- context_.do_work_finished(work_count_);
- }
-
- template <class Func, class Alloc>
- void dispatch(Func&& f, const Alloc& a) const
- {
- auto p(std::allocate_shared<function<Func>>(
- typename std::allocator_traits<Alloc>::template rebind_alloc<char>(a),
- std::move(f), work_count_));
- context_.do_dispatch(p, work_count_);
- }
-
- template <class Func, class Alloc>
- void post(Func f, const Alloc& a) const
- {
- auto p(std::allocate_shared<function<Func>>(
- typename std::allocator_traits<Alloc>::template rebind_alloc<char>(a),
- std::move(f), work_count_));
- context_.do_post(p, work_count_);
- }
-
- template <class Func, class Alloc>
- void defer(Func&& f, const Alloc& a) const
+ template <class Func>
+ void execute(Func f) const
{
- post(std::forward<Func>(f), a);
+ auto p(std::make_shared<function<Func>>(std::move(f), work_count_));
+ context_.do_execute(p, work_count_);
}
friend bool operator==(const fork_executor& a,
@@ -289,8 +251,8 @@ void fork_join_sort(Iterator begin, Iterator end)
{
fork_executor fork(pool);
join_guard join(fork);
- dispatch(fork, [=]{ fork_join_sort(begin, begin + n / 2); });
- dispatch(fork, [=]{ fork_join_sort(begin + n / 2, end); });
+ fork.execute([=]{ fork_join_sort(begin, begin + n / 2); });
+ fork.execute([=]{ fork_join_sort(begin + n / 2, end); });
}
std::inplace_merge(begin, begin + n / 2, end);
}
diff --git a/3rdparty/asio/src/examples/cpp11/executors/pipeline.cpp b/3rdparty/asio/src/examples/cpp11/executors/pipeline.cpp
index 86bf860cb9c..f441e322688 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/pipeline.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/pipeline.cpp
@@ -11,6 +11,7 @@
#include <queue>
#include <thread>
#include <vector>
+#include <cctype>
using asio::execution_context;
using asio::executor_binder;
@@ -19,9 +20,10 @@ using asio::post;
using asio::system_executor;
using asio::use_future;
using asio::use_service;
+namespace execution = asio::execution;
// An executor that launches a new thread for each function submitted to it.
-// This class satisfies the Executor requirements.
+// This class satisfies the executor requirements.
class thread_executor
{
private:
@@ -54,40 +56,28 @@ private:
};
public:
- execution_context& context() const noexcept
+ execution_context& query(execution::context_t) const
{
- return system_executor().context();
+ return asio::query(system_executor(), execution::context);
}
- void on_work_started() const noexcept
+ execution::blocking_t query(execution::blocking_t) const
{
- // This executor doesn't count work.
+ return execution::blocking.never;
}
- void on_work_finished() const noexcept
+ thread_executor require(execution::blocking_t::never_t) const
{
- // This executor doesn't count work.
+ return *this;
}
- template <class Func, class Alloc>
- void dispatch(Func&& f, const Alloc& a) const
+ template <class Func>
+ void execute(Func f) const
{
- post(std::forward<Func>(f), a);
- }
-
- template <class Func, class Alloc>
- void post(Func f, const Alloc&) const
- {
- thread_bag& bag = use_service<thread_bag>(context());
+ thread_bag& bag = use_service<thread_bag>(query(execution::context));
bag.add_thread(std::thread(std::move(f)));
}
- template <class Func, class Alloc>
- void defer(Func&& f, const Alloc& a) const
- {
- post(std::forward<Func>(f), a);
- }
-
friend bool operator==(const thread_executor&,
const thread_executor&) noexcept
{
@@ -291,7 +281,7 @@ void writer(queue_back<std::string> in)
int main()
{
- thread_pool pool;
+ thread_pool pool(1);
auto f = pipeline(reader, filter, bind_executor(pool, upper), writer);
f.wait();
diff --git a/3rdparty/asio/src/examples/cpp11/executors/priority_scheduler.cpp b/3rdparty/asio/src/examples/cpp11/executors/priority_scheduler.cpp
index fb38fa2ce4b..d8ef79f3a51 100644
--- a/3rdparty/asio/src/examples/cpp11/executors/priority_scheduler.cpp
+++ b/3rdparty/asio/src/examples/cpp11/executors/priority_scheduler.cpp
@@ -8,6 +8,7 @@
using asio::dispatch;
using asio::execution_context;
+namespace execution = asio::execution;
class priority_scheduler : public execution_context
{
@@ -21,47 +22,20 @@ public:
{
}
- priority_scheduler& context() const noexcept
+ priority_scheduler& query(execution::context_t) const noexcept
{
return context_;
}
- void on_work_started() const noexcept
+ template <class Func>
+ void execute(Func f) const
{
- // This executor doesn't count work. Instead, the scheduler simply runs
- // until explicitly stopped.
- }
-
- void on_work_finished() const noexcept
- {
- // This executor doesn't count work. Instead, the scheduler simply runs
- // until explicitly stopped.
- }
-
- template <class Func, class Alloc>
- void dispatch(Func&& f, const Alloc& a) const
- {
- post(std::forward<Func>(f), a);
- }
-
- template <class Func, class Alloc>
- void post(Func f, const Alloc& a) const
- {
- auto p(std::allocate_shared<item<Func>>(
- typename std::allocator_traits<
- Alloc>::template rebind_alloc<char>(a),
- priority_, std::move(f)));
+ auto p(std::make_shared<item<Func>>(priority_, std::move(f)));
std::lock_guard<std::mutex> lock(context_.mutex_);
context_.queue_.push(p);
context_.condition_.notify_one();
}
- template <class Func, class Alloc>
- void defer(Func&& f, const Alloc& a) const
- {
- post(std::forward<Func>(f), a);
- }
-
friend bool operator==(const executor_type& a,
const executor_type& b) noexcept
{
@@ -79,6 +53,12 @@ public:
int priority_;
};
+ ~priority_scheduler() noexcept
+ {
+ shutdown();
+ destroy();
+ }
+
executor_type get_executor(int pri = 0) noexcept
{
return executor_type(*const_cast<priority_scheduler*>(this), pri);
diff --git a/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp b/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp
new file mode 100644
index 00000000000..edfb2765ed5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/files/async_file_copy.cpp
@@ -0,0 +1,101 @@
+//
+// async_file_copy.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_FILE)
+
+class file_copier
+{
+public:
+ file_copier(asio::io_context& io_context,
+ const char* from, const char* to)
+ : from_file_(io_context, from,
+ asio::stream_file::read_only),
+ to_file_(io_context, to,
+ asio::stream_file::write_only
+ | asio::stream_file::create
+ | asio::stream_file::truncate)
+ {
+ }
+
+ void start()
+ {
+ do_read();
+ }
+
+private:
+ void do_read()
+ {
+ from_file_.async_read_some(asio::buffer(data_),
+ [this](std::error_code error, std::size_t n)
+ {
+ if (!error)
+ {
+ do_write(n);
+ }
+ else if (error != asio::error::eof)
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ }
+ });
+ }
+
+ void do_write(std::size_t n)
+ {
+ asio::async_write(to_file_, asio::buffer(data_, n),
+ [this](std::error_code error, std::size_t /*n*/)
+ {
+ if (!error)
+ {
+ do_read();
+ }
+ else
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ }
+ });
+ }
+
+ asio::stream_file from_file_;
+ asio::stream_file to_file_;
+ char data_[4096];
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: async_file_copy <from> <to>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ file_copier copier(io_context, argv[1], argv[2]);
+ copier.start();
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ return 1;
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_FILE)
+int main() {}
+#endif // defined(ASIO_HAS_FILE)
diff --git a/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp b/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp
new file mode 100644
index 00000000000..6e111b4909d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/files/blocking_file_copy.cpp
@@ -0,0 +1,65 @@
+//
+// blocking_file_copy.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_FILE)
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: blocking_file_copy <from> <to>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ asio::stream_file from_file(io_context, argv[1],
+ asio::stream_file::read_only);
+
+ asio::stream_file to_file(io_context, argv[2],
+ asio::stream_file::write_only
+ | asio::stream_file::create
+ | asio::stream_file::truncate);
+
+ char data[4096];
+ std::error_code error;
+ for (;;)
+ {
+ std::size_t n = from_file.read_some(asio::buffer(data), error);
+ if (error)
+ break;
+ asio::write(to_file, asio::buffer(data, n), error);
+ if (error)
+ break;
+ }
+
+ if (error && error != asio::error::eof)
+ {
+ std::cerr << "Error copying file: " << error.message() << "\n";
+ return 1;
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ return 1;
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_FILE)
+int main() {}
+#endif // defined(ASIO_HAS_FILE)
diff --git a/3rdparty/asio/src/examples/cpp11/fork/daemon.cpp b/3rdparty/asio/src/examples/cpp11/fork/daemon.cpp
new file mode 100644
index 00000000000..547acb33a5a
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/fork/daemon.cpp
@@ -0,0 +1,189 @@
+//
+// daemon.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/udp.hpp>
+#include <asio/signal_set.hpp>
+#include <array>
+#include <ctime>
+#include <iostream>
+#include <syslog.h>
+#include <unistd.h>
+
+using asio::ip::udp;
+
+class udp_daytime_server
+{
+public:
+ udp_daytime_server(asio::io_context& io_context)
+ : socket_(io_context, {udp::v4(), 13})
+ {
+ receive();
+ }
+
+private:
+ void receive()
+ {
+ socket_.async_receive_from(
+ asio::buffer(recv_buffer_), remote_endpoint_,
+ [this](std::error_code ec, std::size_t /*n*/)
+ {
+ if (!ec)
+ {
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ std::string message = ctime(&now);
+
+ std::error_code ignored_ec;
+ socket_.send_to(asio::buffer(message),
+ remote_endpoint_, 0, ignored_ec);
+ }
+
+ receive();
+ });
+ }
+
+ udp::socket socket_;
+ udp::endpoint remote_endpoint_;
+ std::array<char, 1> recv_buffer_;
+};
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ // Initialise the server before becoming a daemon. If the process is
+ // started from a shell, this means any errors will be reported back to the
+ // user.
+ udp_daytime_server server(io_context);
+
+ // Register signal handlers so that the daemon may be shut down. You may
+ // also want to register for other signals, such as SIGHUP to trigger a
+ // re-read of a configuration file.
+ asio::signal_set signals(io_context, SIGINT, SIGTERM);
+ signals.async_wait(
+ [&](std::error_code /*ec*/, int /*signo*/)
+ {
+ io_context.stop();
+ });
+
+ // Inform the io_context that we are about to become a daemon. The
+ // io_context cleans up any internal resources, such as threads, that may
+ // interfere with forking.
+ io_context.notify_fork(asio::io_context::fork_prepare);
+
+ // Fork the process and have the parent exit. If the process was started
+ // from a shell, this returns control to the user. Forking a new process is
+ // also a prerequisite for the subsequent call to setsid().
+ if (pid_t pid = fork())
+ {
+ if (pid > 0)
+ {
+ // We're in the parent process and need to exit.
+ //
+ // When the exit() function is used, the program terminates without
+ // invoking local variables' destructors. Only global variables are
+ // destroyed. As the io_context object is a local variable, this means
+ // we do not have to call:
+ //
+ // io_context.notify_fork(asio::io_context::fork_parent);
+ //
+ // However, this line should be added before each call to exit() if
+ // using a global io_context object. An additional call:
+ //
+ // io_context.notify_fork(asio::io_context::fork_prepare);
+ //
+ // should also precede the second fork().
+ exit(0);
+ }
+ else
+ {
+ syslog(LOG_ERR | LOG_USER, "First fork failed: %m");
+ return 1;
+ }
+ }
+
+ // Make the process a new session leader. This detaches it from the
+ // terminal.
+ setsid();
+
+ // A process inherits its working directory from its parent. This could be
+ // on a mounted filesystem, which means that the running daemon would
+ // prevent this filesystem from being unmounted. Changing to the root
+ // directory avoids this problem.
+ chdir("/");
+
+ // The file mode creation mask is also inherited from the parent process.
+ // We don't want to restrict the permissions on files created by the
+ // daemon, so the mask is cleared.
+ umask(0);
+
+ // A second fork ensures the process cannot acquire a controlling terminal.
+ if (pid_t pid = fork())
+ {
+ if (pid > 0)
+ {
+ exit(0);
+ }
+ else
+ {
+ syslog(LOG_ERR | LOG_USER, "Second fork failed: %m");
+ return 1;
+ }
+ }
+
+ // Close the standard streams. This decouples the daemon from the terminal
+ // that started it.
+ close(0);
+ close(1);
+ close(2);
+
+ // We don't want the daemon to have any standard input.
+ if (open("/dev/null", O_RDONLY) < 0)
+ {
+ syslog(LOG_ERR | LOG_USER, "Unable to open /dev/null: %m");
+ return 1;
+ }
+
+ // Send standard output to a log file.
+ const char* output = "/tmp/asio.daemon.out";
+ const int flags = O_WRONLY | O_CREAT | O_APPEND;
+ const mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
+ if (open(output, flags, mode) < 0)
+ {
+ syslog(LOG_ERR | LOG_USER, "Unable to open output file %s: %m", output);
+ return 1;
+ }
+
+ // Also send standard error to the same log file.
+ if (dup(1) < 0)
+ {
+ syslog(LOG_ERR | LOG_USER, "Unable to dup output descriptor: %m");
+ return 1;
+ }
+
+ // Inform the io_context that we have finished becoming a daemon. The
+ // io_context uses this opportunity to create any internal file descriptors
+ // that need to be private to the new process.
+ io_context.notify_fork(asio::io_context::fork_child);
+
+ // The io_context can now be used normally.
+ syslog(LOG_INFO | LOG_USER, "Daemon started");
+ io_context.run();
+ syslog(LOG_INFO | LOG_USER, "Daemon stopped");
+ }
+ catch (std::exception& e)
+ {
+ syslog(LOG_ERR | LOG_USER, "Exception: %s", e.what());
+ std::cerr << "Exception: " << e.what() << std::endl;
+ }
+}
diff --git a/3rdparty/asio/src/examples/cpp11/fork/process_per_connection.cpp b/3rdparty/asio/src/examples/cpp11/fork/process_per_connection.cpp
new file mode 100644
index 00000000000..cad52e7ab9f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/fork/process_per_connection.cpp
@@ -0,0 +1,162 @@
+//
+// process_per_connection.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/signal_set.hpp>
+#include <asio/write.hpp>
+#include <cstdlib>
+#include <iostream>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+using asio::ip::tcp;
+
+class server
+{
+public:
+ server(asio::io_context& io_context, unsigned short port)
+ : io_context_(io_context),
+ signal_(io_context, SIGCHLD),
+ acceptor_(io_context, {tcp::v4(), port}),
+ socket_(io_context)
+ {
+ wait_for_signal();
+ accept();
+ }
+
+private:
+ void wait_for_signal()
+ {
+ signal_.async_wait(
+ [this](std::error_code /*ec*/, int /*signo*/)
+ {
+ // Only the parent process should check for this signal. We can
+ // determine whether we are in the parent by checking if the acceptor
+ // is still open.
+ if (acceptor_.is_open())
+ {
+ // Reap completed child processes so that we don't end up with
+ // zombies.
+ int status = 0;
+ while (waitpid(-1, &status, WNOHANG) > 0) {}
+
+ wait_for_signal();
+ }
+ });
+ }
+
+ void accept()
+ {
+ acceptor_.async_accept(
+ [this](std::error_code ec, tcp::socket new_socket)
+ {
+ if (!ec)
+ {
+ // Take ownership of the newly accepted socket.
+ socket_ = std::move(new_socket);
+
+ // Inform the io_context that we are about to fork. The io_context
+ // cleans up any internal resources, such as threads, that may
+ // interfere with forking.
+ io_context_.notify_fork(asio::io_context::fork_prepare);
+
+ if (fork() == 0)
+ {
+ // Inform the io_context that the fork is finished and that this
+ // is the child process. The io_context uses this opportunity to
+ // create any internal file descriptors that must be private to
+ // the new process.
+ io_context_.notify_fork(asio::io_context::fork_child);
+
+ // The child won't be accepting new connections, so we can close
+ // the acceptor. It remains open in the parent.
+ acceptor_.close();
+
+ // The child process is not interested in processing the SIGCHLD
+ // signal.
+ signal_.cancel();
+
+ read();
+ }
+ else
+ {
+
+ // Inform the io_context that the fork is finished (or failed)
+ // and that this is the parent process. The io_context uses this
+ // opportunity to recreate any internal resources that were
+ // cleaned up during preparation for the fork.
+ io_context_.notify_fork(asio::io_context::fork_parent);
+
+ // The parent process can now close the newly accepted socket. It
+ // remains open in the child.
+ socket_.close();
+
+ accept();
+ }
+ }
+ else
+ {
+ std::cerr << "Accept error: " << ec.message() << std::endl;
+ accept();
+ }
+ });
+ }
+
+ void read()
+ {
+ socket_.async_read_some(asio::buffer(data_),
+ [this](std::error_code ec, std::size_t length)
+ {
+ if (!ec)
+ write(length);
+ });
+ }
+
+ void write(std::size_t length)
+ {
+ asio::async_write(socket_, asio::buffer(data_, length),
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ read();
+ });
+ }
+
+ asio::io_context& io_context_;
+ asio::signal_set signal_;
+ tcp::acceptor acceptor_;
+ tcp::socket socket_;
+ std::array<char, 1024> data_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: process_per_connection <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ using namespace std; // For atoi.
+ server s(io_context, atoi(argv[1]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << std::endl;
+ }
+}
diff --git a/3rdparty/asio/src/examples/cpp11/futures/.gitignore b/3rdparty/asio/src/examples/cpp11/futures/.gitignore
deleted file mode 100644
index 0882fa6ced3..00000000000
--- a/3rdparty/asio/src/examples/cpp11/futures/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-*_server
-*_client
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/futures/daytime_client.cpp b/3rdparty/asio/src/examples/cpp11/futures/daytime_client.cpp
index 0004e124ff6..2f5314ede39 100644
--- a/3rdparty/asio/src/examples/cpp11/futures/daytime_client.cpp
+++ b/3rdparty/asio/src/examples/cpp11/futures/daytime_client.cpp
@@ -2,7 +2,7 @@
// daytime_client.cpp
// ~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/handler_tracking/async_tcp_echo_server.cpp b/3rdparty/asio/src/examples/cpp11/handler_tracking/async_tcp_echo_server.cpp
new file mode 100644
index 00000000000..42a31f7b316
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/handler_tracking/async_tcp_echo_server.cpp
@@ -0,0 +1,135 @@
+//
+// async_tcp_echo_server.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+#include <utility>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+// Define a helper macro to invoke ASIO_HANDLER_LOCATION with the current
+// file name, line number, and function name. For the function name, you might
+// also consider using __PRETTY_FUNCTION__, BOOST_CURRENT_FUNCTION, or a hand-
+// crafted name. For C++20 or later, you may also use std::source_location.
+#define HANDLER_LOCATION \
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, __func__))
+
+class session
+ : public std::enable_shared_from_this<session>
+{
+public:
+ session(tcp::socket socket)
+ : socket_(std::move(socket))
+ {
+ }
+
+ void start()
+ {
+ HANDLER_LOCATION;
+
+ do_read();
+ }
+
+private:
+ void do_read()
+ {
+ HANDLER_LOCATION;
+
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(data_, max_length),
+ [this, self](std::error_code ec, std::size_t length)
+ {
+ HANDLER_LOCATION;
+
+ if (!ec)
+ {
+ do_write(length);
+ }
+ });
+ }
+
+ void do_write(std::size_t length)
+ {
+ HANDLER_LOCATION;
+
+ auto self(shared_from_this());
+ asio::async_write(socket_, asio::buffer(data_, length),
+ [this, self](std::error_code ec, std::size_t /*length*/)
+ {
+ HANDLER_LOCATION;
+
+ if (!ec)
+ {
+ do_read();
+ }
+ });
+ }
+
+ tcp::socket socket_;
+ enum { max_length = 1024 };
+ char data_[max_length];
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context, short port)
+ : acceptor_(io_context, tcp::endpoint(tcp::v4(), port))
+ {
+ do_accept();
+ }
+
+private:
+ void do_accept()
+ {
+ HANDLER_LOCATION;
+
+ acceptor_.async_accept(
+ [this](std::error_code ec, tcp::socket socket)
+ {
+ HANDLER_LOCATION;
+
+ if (!ec)
+ {
+ std::make_shared<session>(std::move(socket))->start();
+ }
+
+ do_accept();
+ });
+ }
+
+ tcp::acceptor acceptor_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: async_tcp_echo_server <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ server s(io_context, std::atoi(argv[1]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp b/3rdparty/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
index 41b355c748c..57b162a51e8 100644
--- a/3rdparty/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
+++ b/3rdparty/asio/src/examples/cpp11/handler_tracking/custom_tracking.hpp
@@ -2,7 +2,7 @@
// custom_tracking.hpp
// ~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -24,6 +24,9 @@
# define ASIO_HANDLER_TRACKING_INIT \
::custom_tracking::init()
+# define ASIO_HANDLER_LOCATION(args) \
+ ::custom_tracking::location args
+
# define ASIO_HANDLER_CREATION(args) \
::custom_tracking::creation args
@@ -71,9 +74,16 @@ struct custom_tracking
{
}
+ // Record a source location.
+ static void location(const char* file_name,
+ int line, const char* function_name)
+ {
+ std::printf("At location %s:%d in %s\n", file_name, line, function_name);
+ }
+
// Record the creation of a tracked handler.
- static void creation(asio::execution_context& /*ctx*/, tracked_handler& h,
- const char* object_type, void* /*object*/,
+ static void creation(asio::execution_context& /*ctx*/,
+ tracked_handler& h, const char* object_type, void* /*object*/,
std::uintmax_t native_handle, const char* op_name)
{
// Generate a unique id for the new handler.
@@ -177,7 +187,7 @@ struct custom_tracking
// Record a reactor-based operation that is associated with a handler.
static void reactor_operation(const tracked_handler& h,
- const char* op_name, const asio::error_code& ec)
+ const char* op_name, const std::error_code& ec)
{
std::printf(
"Performed operation %s.%s for native_handle = %" PRIuMAX
@@ -187,7 +197,7 @@ struct custom_tracking
// Record a reactor-based operation that is associated with a handler.
static void reactor_operation(const tracked_handler& h,
- const char* op_name, const asio::error_code& ec,
+ const char* op_name, const std::error_code& ec,
std::size_t bytes_transferred)
{
std::printf(
diff --git a/3rdparty/asio/src/examples/cpp11/http/client/async_client.cpp b/3rdparty/asio/src/examples/cpp11/http/client/async_client.cpp
new file mode 100644
index 00000000000..309ae252147
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/client/async_client.cpp
@@ -0,0 +1,204 @@
+//
+// async_client.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <functional>
+#include <iostream>
+#include <istream>
+#include <ostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+class client
+{
+public:
+ client(asio::io_context& io_context,
+ const std::string& server, const std::string& path)
+ : resolver_(io_context),
+ socket_(io_context)
+ {
+ // Form the request. We specify the "Connection: close" header so that the
+ // server will close the socket after transmitting the response. This will
+ // allow us to treat all data up until the EOF as the content.
+ std::ostream request_stream(&request_);
+ request_stream << "GET " << path << " HTTP/1.0\r\n";
+ request_stream << "Host: " << server << "\r\n";
+ request_stream << "Accept: */*\r\n";
+ request_stream << "Connection: close\r\n\r\n";
+
+ // Start an asynchronous resolve to translate the server and service names
+ // into a list of endpoints.
+ resolver_.async_resolve(server, "http",
+ std::bind(&client::handle_resolve, this,
+ asio::placeholders::error,
+ asio::placeholders::results));
+ }
+
+private:
+ void handle_resolve(const std::error_code& err,
+ const tcp::resolver::results_type& endpoints)
+ {
+ if (!err)
+ {
+ // Attempt a connection to each endpoint in the list until we
+ // successfully establish a connection.
+ asio::async_connect(socket_, endpoints,
+ std::bind(&client::handle_connect, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ std::cout << "Error: " << err.message() << "\n";
+ }
+ }
+
+ void handle_connect(const std::error_code& err)
+ {
+ if (!err)
+ {
+ // The connection was successful. Send the request.
+ asio::async_write(socket_, request_,
+ std::bind(&client::handle_write_request, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ std::cout << "Error: " << err.message() << "\n";
+ }
+ }
+
+ void handle_write_request(const std::error_code& err)
+ {
+ if (!err)
+ {
+ // Read the response status line. The response_ streambuf will
+ // automatically grow to accommodate the entire line. The growth may be
+ // limited by passing a maximum size to the streambuf constructor.
+ asio::async_read_until(socket_, response_, "\r\n",
+ std::bind(&client::handle_read_status_line, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ std::cout << "Error: " << err.message() << "\n";
+ }
+ }
+
+ void handle_read_status_line(const std::error_code& err)
+ {
+ if (!err)
+ {
+ // Check that response is OK.
+ std::istream response_stream(&response_);
+ std::string http_version;
+ response_stream >> http_version;
+ unsigned int status_code;
+ response_stream >> status_code;
+ std::string status_message;
+ std::getline(response_stream, status_message);
+ if (!response_stream || http_version.substr(0, 5) != "HTTP/")
+ {
+ std::cout << "Invalid response\n";
+ return;
+ }
+ if (status_code != 200)
+ {
+ std::cout << "Response returned with status code ";
+ std::cout << status_code << "\n";
+ return;
+ }
+
+ // Read the response headers, which are terminated by a blank line.
+ asio::async_read_until(socket_, response_, "\r\n\r\n",
+ std::bind(&client::handle_read_headers, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ std::cout << "Error: " << err << "\n";
+ }
+ }
+
+ void handle_read_headers(const std::error_code& err)
+ {
+ if (!err)
+ {
+ // Process the response headers.
+ std::istream response_stream(&response_);
+ std::string header;
+ while (std::getline(response_stream, header) && header != "\r")
+ std::cout << header << "\n";
+ std::cout << "\n";
+
+ // Write whatever content we already have to output.
+ if (response_.size() > 0)
+ std::cout << &response_;
+
+ // Start reading remaining data until EOF.
+ asio::async_read(socket_, response_,
+ asio::transfer_at_least(1),
+ std::bind(&client::handle_read_content, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ std::cout << "Error: " << err << "\n";
+ }
+ }
+
+ void handle_read_content(const std::error_code& err)
+ {
+ if (!err)
+ {
+ // Write all of the data that has been read so far.
+ std::cout << &response_;
+
+ // Continue reading remaining data until EOF.
+ asio::async_read(socket_, response_,
+ asio::transfer_at_least(1),
+ std::bind(&client::handle_read_content, this,
+ asio::placeholders::error));
+ }
+ else if (err != asio::error::eof)
+ {
+ std::cout << "Error: " << err << "\n";
+ }
+ }
+
+ tcp::resolver resolver_;
+ tcp::socket socket_;
+ asio::streambuf request_;
+ asio::streambuf response_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cout << "Usage: async_client <server> <path>\n";
+ std::cout << "Example:\n";
+ std::cout << " async_client www.boost.org /LICENSE_1_0.txt\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+ client c(io_context, argv[1], argv[2]);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/http/client/sync_client.cpp b/3rdparty/asio/src/examples/cpp11/http/client/sync_client.cpp
new file mode 100644
index 00000000000..4f5ad099317
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/client/sync_client.cpp
@@ -0,0 +1,106 @@
+//
+// sync_client.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <istream>
+#include <ostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cout << "Usage: sync_client <server> <path>\n";
+ std::cout << "Example:\n";
+ std::cout << " sync_client www.boost.org /LICENSE_1_0.txt\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ // Get a list of endpoints corresponding to the server name.
+ tcp::resolver resolver(io_context);
+ tcp::resolver::results_type endpoints = resolver.resolve(argv[1], "http");
+
+ // Try each endpoint until we successfully establish a connection.
+ tcp::socket socket(io_context);
+ asio::connect(socket, endpoints);
+
+ // Form the request. We specify the "Connection: close" header so that the
+ // server will close the socket after transmitting the response. This will
+ // allow us to treat all data up until the EOF as the content.
+ asio::streambuf request;
+ std::ostream request_stream(&request);
+ request_stream << "GET " << argv[2] << " HTTP/1.0\r\n";
+ request_stream << "Host: " << argv[1] << "\r\n";
+ request_stream << "Accept: */*\r\n";
+ request_stream << "Connection: close\r\n\r\n";
+
+ // Send the request.
+ asio::write(socket, request);
+
+ // Read the response status line. The response streambuf will automatically
+ // grow to accommodate the entire line. The growth may be limited by passing
+ // a maximum size to the streambuf constructor.
+ asio::streambuf response;
+ asio::read_until(socket, response, "\r\n");
+
+ // Check that response is OK.
+ std::istream response_stream(&response);
+ std::string http_version;
+ response_stream >> http_version;
+ unsigned int status_code;
+ response_stream >> status_code;
+ std::string status_message;
+ std::getline(response_stream, status_message);
+ if (!response_stream || http_version.substr(0, 5) != "HTTP/")
+ {
+ std::cout << "Invalid response\n";
+ return 1;
+ }
+ if (status_code != 200)
+ {
+ std::cout << "Response returned with status code " << status_code << "\n";
+ return 1;
+ }
+
+ // Read the response headers, which are terminated by a blank line.
+ asio::read_until(socket, response, "\r\n\r\n");
+
+ // Process the response headers.
+ std::string header;
+ while (std::getline(response_stream, header) && header != "\r")
+ std::cout << header << "\n";
+ std::cout << "\n";
+
+ // Write whatever content we already have to output.
+ if (response.size() > 0)
+ std::cout << &response;
+
+ // Read until EOF, writing data to output as we go.
+ std::error_code error;
+ while (asio::read(socket, response,
+ asio::transfer_at_least(1), error))
+ std::cout << &response;
+ if (error != asio::error::eof)
+ throw std::system_error(error);
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/.gitignore b/3rdparty/asio/src/examples/cpp11/http/server/.gitignore
deleted file mode 100644
index 0882fa6ced3..00000000000
--- a/3rdparty/asio/src/examples/cpp11/http/server/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-*_server
-*_client
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/connection.cpp b/3rdparty/asio/src/examples/cpp11/http/server/connection.cpp
index f4d9cac46e5..58d619fec76 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/connection.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/connection.cpp
@@ -2,7 +2,7 @@
// connection.cpp
// ~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -10,7 +10,6 @@
#include "connection.hpp"
#include <utility>
-#include <vector>
#include "connection_manager.hpp"
#include "request_handler.hpp"
@@ -78,7 +77,7 @@ void connection::do_write()
if (!ec)
{
// Initiate graceful connection closure.
- asio::error_code ignored_ec;
+ std::error_code ignored_ec;
socket_.shutdown(asio::ip::tcp::socket::shutdown_both,
ignored_ec);
}
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/connection.hpp b/3rdparty/asio/src/examples/cpp11/http/server/connection.hpp
index 96364db0daa..1d671ebdcbe 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/connection.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/connection.hpp
@@ -2,7 +2,7 @@
// connection.hpp
// ~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,9 +11,9 @@
#ifndef HTTP_CONNECTION_HPP
#define HTTP_CONNECTION_HPP
+#include <asio.hpp>
#include <array>
#include <memory>
-#include <asio.hpp>
#include "reply.hpp"
#include "request.hpp"
#include "request_handler.hpp"
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.cpp b/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.cpp
index 55bfb9ad719..88161919330 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.cpp
@@ -2,7 +2,7 @@
// connection_manager.cpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.hpp b/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.hpp
index 8dadf416347..0b35408fae5 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/connection_manager.hpp
@@ -2,7 +2,7 @@
// connection_manager.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/header.hpp b/3rdparty/asio/src/examples/cpp11/http/server/header.hpp
index 22e3c4a7a10..e91e6ff23a2 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/header.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/header.hpp
@@ -2,7 +2,7 @@
// header.hpp
// ~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/main.cpp b/3rdparty/asio/src/examples/cpp11/http/server/main.cpp
index 44fc930f494..b76044a96cd 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/main.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/main.cpp
@@ -2,7 +2,7 @@
// main.cpp
// ~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/mime_types.cpp b/3rdparty/asio/src/examples/cpp11/http/server/mime_types.cpp
index eb779197189..23153caa1df 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/mime_types.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/mime_types.cpp
@@ -2,7 +2,7 @@
// mime_types.cpp
// ~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/mime_types.hpp b/3rdparty/asio/src/examples/cpp11/http/server/mime_types.hpp
index 2fc0332791f..fcefce5437b 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/mime_types.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/mime_types.hpp
@@ -2,7 +2,7 @@
// mime_types.hpp
// ~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/reply.cpp b/3rdparty/asio/src/examples/cpp11/http/server/reply.cpp
index 2c9901312bb..9d8f04e2ae1 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/reply.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/reply.cpp
@@ -2,7 +2,7 @@
// reply.cpp
// ~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/reply.hpp b/3rdparty/asio/src/examples/cpp11/http/server/reply.hpp
index 5189ac4363e..f1eee1f891b 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/reply.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/reply.hpp
@@ -2,7 +2,7 @@
// reply.hpp
// ~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/request.hpp b/3rdparty/asio/src/examples/cpp11/http/server/request.hpp
index 129a3990b3d..93a96db12b4 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/request.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/request.hpp
@@ -2,7 +2,7 @@
// request.hpp
// ~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/request_handler.cpp b/3rdparty/asio/src/examples/cpp11/http/server/request_handler.cpp
index c346ab9791e..97b4ac6a8e6 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/request_handler.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/request_handler.cpp
@@ -2,7 +2,7 @@
// request_handler.cpp
// ~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/request_handler.hpp b/3rdparty/asio/src/examples/cpp11/http/server/request_handler.hpp
index 24cca33565a..978b37ca537 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/request_handler.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/request_handler.hpp
@@ -2,7 +2,7 @@
// request_handler.hpp
// ~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/request_parser.cpp b/3rdparty/asio/src/examples/cpp11/http/server/request_parser.cpp
index 6812a558879..ff56e9c618a 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/request_parser.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/request_parser.cpp
@@ -2,7 +2,7 @@
// request_parser.cpp
// ~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/request_parser.hpp b/3rdparty/asio/src/examples/cpp11/http/server/request_parser.hpp
index 643dd71c6f4..260e8759acb 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/request_parser.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/request_parser.hpp
@@ -2,7 +2,7 @@
// request_parser.hpp
// ~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/server.cpp b/3rdparty/asio/src/examples/cpp11/http/server/server.cpp
index fa76a4def03..d824ebbf229 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/server.cpp
@@ -2,7 +2,7 @@
// server.cpp
// ~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server/server.hpp b/3rdparty/asio/src/examples/cpp11/http/server/server.hpp
index 4f98f6cd07f..c88d0149114 100644
--- a/3rdparty/asio/src/examples/cpp11/http/server/server.hpp
+++ b/3rdparty/asio/src/examples/cpp11/http/server/server.hpp
@@ -2,7 +2,7 @@
// server.hpp
// ~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/connection.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/connection.cpp
new file mode 100644
index 00000000000..ab8ab9e0524
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/connection.cpp
@@ -0,0 +1,89 @@
+//
+// connection.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "connection.hpp"
+#include <utility>
+#include "request_handler.hpp"
+
+namespace http {
+namespace server2 {
+
+connection::connection(asio::ip::tcp::socket socket,
+ request_handler& handler)
+ : socket_(std::move(socket)),
+ request_handler_(handler)
+{
+}
+
+void connection::start()
+{
+ do_read();
+}
+
+void connection::do_read()
+{
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(buffer_),
+ [this, self](std::error_code ec, std::size_t bytes_transferred)
+ {
+ if (!ec)
+ {
+ request_parser::result_type result;
+ std::tie(result, std::ignore) = request_parser_.parse(
+ request_, buffer_.data(), buffer_.data() + bytes_transferred);
+
+ if (result == request_parser::good)
+ {
+ request_handler_.handle_request(request_, reply_);
+ do_write();
+ }
+ else if (result == request_parser::bad)
+ {
+ reply_ = reply::stock_reply(reply::bad_request);
+ do_write();
+ }
+ else
+ {
+ do_read();
+ }
+ }
+
+ // If an error occurs then no new asynchronous operations are
+ // started. This means that all shared_ptr references to the
+ // connection object will disappear and the object will be
+ // destroyed automatically after this handler returns. The
+ // connection class's destructor closes the socket.
+ });
+}
+
+void connection::do_write()
+{
+ auto self(shared_from_this());
+ asio::async_write(socket_, reply_.to_buffers(),
+ [this, self](std::error_code ec, std::size_t)
+ {
+ if (!ec)
+ {
+ // Initiate graceful connection closure.
+ std::error_code ignored_ec;
+ socket_.shutdown(asio::ip::tcp::socket::shutdown_both,
+ ignored_ec);
+ }
+
+ // No new asynchronous operations are started. This means that
+ // all shared_ptr references to the connection object will
+ // disappear and the object will be destroyed automatically after
+ // this handler returns. The connection class's destructor closes
+ // the socket.
+ });
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/connection.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/connection.hpp
new file mode 100644
index 00000000000..7d4a4735754
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/connection.hpp
@@ -0,0 +1,71 @@
+//
+// connection.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_CONNECTION_HPP
+#define HTTP_SERVER2_CONNECTION_HPP
+
+#include <asio.hpp>
+#include <array>
+#include <memory>
+#include "reply.hpp"
+#include "request.hpp"
+#include "request_handler.hpp"
+#include "request_parser.hpp"
+
+namespace http {
+namespace server2 {
+
+/// Represents a single connection from a client.
+class connection
+ : public std::enable_shared_from_this<connection>
+{
+public:
+ connection(const connection&) = delete;
+ connection& operator=(const connection&) = delete;
+
+ /// Construct a connection with the given socket.
+ explicit connection(asio::ip::tcp::socket socket,
+ request_handler& handler);
+
+ /// Start the first asynchronous operation for the connection.
+ void start();
+
+private:
+ /// Perform an asynchronous read operation.
+ void do_read();
+
+ /// Perform an asynchronous write operation.
+ void do_write();
+
+ /// Socket for the connection.
+ asio::ip::tcp::socket socket_;
+
+ /// The handler used to process the incoming request.
+ request_handler& request_handler_;
+
+ /// Buffer for incoming data.
+ std::array<char, 8192> buffer_;
+
+ /// The incoming request.
+ request request_;
+
+ /// The parser for the incoming request.
+ request_parser request_parser_;
+
+ /// The reply to be sent back to the client.
+ reply reply_;
+};
+
+typedef std::shared_ptr<connection> connection_ptr;
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_CONNECTION_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/header.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/header.hpp
new file mode 100644
index 00000000000..f888dde03c0
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/header.hpp
@@ -0,0 +1,28 @@
+//
+// header.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_HEADER_HPP
+#define HTTP_SERVER2_HEADER_HPP
+
+#include <string>
+
+namespace http {
+namespace server2 {
+
+struct header
+{
+ std::string name;
+ std::string value;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_HEADER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.cpp
new file mode 100644
index 00000000000..bea08903087
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.cpp
@@ -0,0 +1,64 @@
+//
+// io_context_pool.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "server.hpp"
+#include <stdexcept>
+#include <thread>
+
+namespace http {
+namespace server2 {
+
+io_context_pool::io_context_pool(std::size_t pool_size)
+ : next_io_context_(0)
+{
+ if (pool_size == 0)
+ throw std::runtime_error("io_context_pool size is 0");
+
+ // Give all the io_contexts work to do so that their run() functions will not
+ // exit until they are explicitly stopped.
+ for (std::size_t i = 0; i < pool_size; ++i)
+ {
+ io_context_ptr io_context(new asio::io_context);
+ io_contexts_.push_back(io_context);
+ work_.push_back(asio::make_work_guard(*io_context));
+ }
+}
+
+void io_context_pool::run()
+{
+ // Create a pool of threads to run all of the io_contexts.
+ std::vector<std::thread> threads;
+ for (std::size_t i = 0; i < io_contexts_.size(); ++i)
+ threads.emplace_back([this, i]{ io_contexts_[i]->run(); });
+
+ // Wait for all threads in the pool to exit.
+ for (std::size_t i = 0; i < threads.size(); ++i)
+ threads[i].join();
+}
+
+void io_context_pool::stop()
+{
+ // Explicitly stop all io_contexts.
+ for (std::size_t i = 0; i < io_contexts_.size(); ++i)
+ io_contexts_[i]->stop();
+}
+
+asio::io_context& io_context_pool::get_io_context()
+{
+ // Use a round-robin scheme to choose the next io_context to use.
+ asio::io_context& io_context = *io_contexts_[next_io_context_];
+ ++next_io_context_;
+ if (next_io_context_ == io_contexts_.size())
+ next_io_context_ = 0;
+ return io_context;
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.hpp
new file mode 100644
index 00000000000..0946ba6e484
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/io_context_pool.hpp
@@ -0,0 +1,59 @@
+//
+// io_context_pool.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_IO_SERVICE_POOL_HPP
+#define HTTP_SERVER2_IO_SERVICE_POOL_HPP
+
+#include <asio.hpp>
+#include <list>
+#include <memory>
+#include <vector>
+
+namespace http {
+namespace server2 {
+
+/// A pool of io_context objects.
+class io_context_pool
+{
+public:
+ /// Construct the io_context pool.
+ explicit io_context_pool(std::size_t pool_size);
+
+ /// Run all io_context objects in the pool.
+ void run();
+
+ /// Stop all io_context objects in the pool.
+ void stop();
+
+ /// Get an io_context to use.
+ asio::io_context& get_io_context();
+
+private:
+ io_context_pool(const io_context_pool&) = delete;
+ io_context_pool& operator=(const io_context_pool&) = delete;
+
+ typedef std::shared_ptr<asio::io_context> io_context_ptr;
+ typedef asio::executor_work_guard<
+ asio::io_context::executor_type> io_context_work;
+
+ /// The pool of io_contexts.
+ std::vector<io_context_ptr> io_contexts_;
+
+ /// The work that keeps the io_contexts running.
+ std::list<io_context_work> work_;
+
+ /// The next io_context to use for a connection.
+ std::size_t next_io_context_;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_IO_SERVICE_POOL_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/main.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/main.cpp
new file mode 100644
index 00000000000..5b6a9a36cb3
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/main.cpp
@@ -0,0 +1,44 @@
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+#include "server.hpp"
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ // Check command line arguments.
+ if (argc != 5)
+ {
+ std::cerr << "Usage: http_server <address> <port> <threads> <doc_root>\n";
+ std::cerr << " For IPv4, try:\n";
+ std::cerr << " receiver 0.0.0.0 80 1 .\n";
+ std::cerr << " For IPv6, try:\n";
+ std::cerr << " receiver 0::0 80 1 .\n";
+ return 1;
+ }
+
+ // Initialise the server.
+ std::size_t num_threads = std::stoi(argv[3]);
+ http::server2::server s(argv[1], argv[2], argv[4], num_threads);
+
+ // Run the server until stopped.
+ s.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.cpp
new file mode 100644
index 00000000000..03079331e93
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.cpp
@@ -0,0 +1,46 @@
+//
+// mime_types.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "mime_types.hpp"
+
+namespace http {
+namespace server2 {
+namespace mime_types {
+
+struct mapping
+{
+ const char* extension;
+ const char* mime_type;
+} mappings[] =
+{
+ { "gif", "image/gif" },
+ { "htm", "text/html" },
+ { "html", "text/html" },
+ { "jpg", "image/jpeg" },
+ { "png", "image/png" },
+ { 0, 0 } // Marks end of list.
+};
+
+std::string extension_to_type(const std::string& extension)
+{
+ for (mapping* m = mappings; m->extension; ++m)
+ {
+ if (m->extension == extension)
+ {
+ return m->mime_type;
+ }
+ }
+
+ return "text/plain";
+}
+
+} // namespace mime_types
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.hpp
new file mode 100644
index 00000000000..32985c18e59
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/mime_types.hpp
@@ -0,0 +1,27 @@
+//
+// mime_types.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_MIME_TYPES_HPP
+#define HTTP_SERVER2_MIME_TYPES_HPP
+
+#include <string>
+
+namespace http {
+namespace server2 {
+namespace mime_types {
+
+/// Convert a file extension into a MIME type.
+std::string extension_to_type(const std::string& extension);
+
+} // namespace mime_types
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_MIME_TYPES_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/reply.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/reply.cpp
new file mode 100644
index 00000000000..d48bfd9e463
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/reply.cpp
@@ -0,0 +1,255 @@
+//
+// reply.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "reply.hpp"
+#include <string>
+
+namespace http {
+namespace server2 {
+
+namespace status_strings {
+
+const std::string ok =
+ "HTTP/1.0 200 OK\r\n";
+const std::string created =
+ "HTTP/1.0 201 Created\r\n";
+const std::string accepted =
+ "HTTP/1.0 202 Accepted\r\n";
+const std::string no_content =
+ "HTTP/1.0 204 No Content\r\n";
+const std::string multiple_choices =
+ "HTTP/1.0 300 Multiple Choices\r\n";
+const std::string moved_permanently =
+ "HTTP/1.0 301 Moved Permanently\r\n";
+const std::string moved_temporarily =
+ "HTTP/1.0 302 Moved Temporarily\r\n";
+const std::string not_modified =
+ "HTTP/1.0 304 Not Modified\r\n";
+const std::string bad_request =
+ "HTTP/1.0 400 Bad Request\r\n";
+const std::string unauthorized =
+ "HTTP/1.0 401 Unauthorized\r\n";
+const std::string forbidden =
+ "HTTP/1.0 403 Forbidden\r\n";
+const std::string not_found =
+ "HTTP/1.0 404 Not Found\r\n";
+const std::string internal_server_error =
+ "HTTP/1.0 500 Internal Server Error\r\n";
+const std::string not_implemented =
+ "HTTP/1.0 501 Not Implemented\r\n";
+const std::string bad_gateway =
+ "HTTP/1.0 502 Bad Gateway\r\n";
+const std::string service_unavailable =
+ "HTTP/1.0 503 Service Unavailable\r\n";
+
+asio::const_buffer to_buffer(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return asio::buffer(ok);
+ case reply::created:
+ return asio::buffer(created);
+ case reply::accepted:
+ return asio::buffer(accepted);
+ case reply::no_content:
+ return asio::buffer(no_content);
+ case reply::multiple_choices:
+ return asio::buffer(multiple_choices);
+ case reply::moved_permanently:
+ return asio::buffer(moved_permanently);
+ case reply::moved_temporarily:
+ return asio::buffer(moved_temporarily);
+ case reply::not_modified:
+ return asio::buffer(not_modified);
+ case reply::bad_request:
+ return asio::buffer(bad_request);
+ case reply::unauthorized:
+ return asio::buffer(unauthorized);
+ case reply::forbidden:
+ return asio::buffer(forbidden);
+ case reply::not_found:
+ return asio::buffer(not_found);
+ case reply::internal_server_error:
+ return asio::buffer(internal_server_error);
+ case reply::not_implemented:
+ return asio::buffer(not_implemented);
+ case reply::bad_gateway:
+ return asio::buffer(bad_gateway);
+ case reply::service_unavailable:
+ return asio::buffer(service_unavailable);
+ default:
+ return asio::buffer(internal_server_error);
+ }
+}
+
+} // namespace status_strings
+
+namespace misc_strings {
+
+const char name_value_separator[] = { ':', ' ' };
+const char crlf[] = { '\r', '\n' };
+
+} // namespace misc_strings
+
+std::vector<asio::const_buffer> reply::to_buffers()
+{
+ std::vector<asio::const_buffer> buffers;
+ buffers.push_back(status_strings::to_buffer(status));
+ for (std::size_t i = 0; i < headers.size(); ++i)
+ {
+ header& h = headers[i];
+ buffers.push_back(asio::buffer(h.name));
+ buffers.push_back(asio::buffer(misc_strings::name_value_separator));
+ buffers.push_back(asio::buffer(h.value));
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ }
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ buffers.push_back(asio::buffer(content));
+ return buffers;
+}
+
+namespace stock_replies {
+
+const char ok[] = "";
+const char created[] =
+ "<html>"
+ "<head><title>Created</title></head>"
+ "<body><h1>201 Created</h1></body>"
+ "</html>";
+const char accepted[] =
+ "<html>"
+ "<head><title>Accepted</title></head>"
+ "<body><h1>202 Accepted</h1></body>"
+ "</html>";
+const char no_content[] =
+ "<html>"
+ "<head><title>No Content</title></head>"
+ "<body><h1>204 Content</h1></body>"
+ "</html>";
+const char multiple_choices[] =
+ "<html>"
+ "<head><title>Multiple Choices</title></head>"
+ "<body><h1>300 Multiple Choices</h1></body>"
+ "</html>";
+const char moved_permanently[] =
+ "<html>"
+ "<head><title>Moved Permanently</title></head>"
+ "<body><h1>301 Moved Permanently</h1></body>"
+ "</html>";
+const char moved_temporarily[] =
+ "<html>"
+ "<head><title>Moved Temporarily</title></head>"
+ "<body><h1>302 Moved Temporarily</h1></body>"
+ "</html>";
+const char not_modified[] =
+ "<html>"
+ "<head><title>Not Modified</title></head>"
+ "<body><h1>304 Not Modified</h1></body>"
+ "</html>";
+const char bad_request[] =
+ "<html>"
+ "<head><title>Bad Request</title></head>"
+ "<body><h1>400 Bad Request</h1></body>"
+ "</html>";
+const char unauthorized[] =
+ "<html>"
+ "<head><title>Unauthorized</title></head>"
+ "<body><h1>401 Unauthorized</h1></body>"
+ "</html>";
+const char forbidden[] =
+ "<html>"
+ "<head><title>Forbidden</title></head>"
+ "<body><h1>403 Forbidden</h1></body>"
+ "</html>";
+const char not_found[] =
+ "<html>"
+ "<head><title>Not Found</title></head>"
+ "<body><h1>404 Not Found</h1></body>"
+ "</html>";
+const char internal_server_error[] =
+ "<html>"
+ "<head><title>Internal Server Error</title></head>"
+ "<body><h1>500 Internal Server Error</h1></body>"
+ "</html>";
+const char not_implemented[] =
+ "<html>"
+ "<head><title>Not Implemented</title></head>"
+ "<body><h1>501 Not Implemented</h1></body>"
+ "</html>";
+const char bad_gateway[] =
+ "<html>"
+ "<head><title>Bad Gateway</title></head>"
+ "<body><h1>502 Bad Gateway</h1></body>"
+ "</html>";
+const char service_unavailable[] =
+ "<html>"
+ "<head><title>Service Unavailable</title></head>"
+ "<body><h1>503 Service Unavailable</h1></body>"
+ "</html>";
+
+std::string to_string(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return ok;
+ case reply::created:
+ return created;
+ case reply::accepted:
+ return accepted;
+ case reply::no_content:
+ return no_content;
+ case reply::multiple_choices:
+ return multiple_choices;
+ case reply::moved_permanently:
+ return moved_permanently;
+ case reply::moved_temporarily:
+ return moved_temporarily;
+ case reply::not_modified:
+ return not_modified;
+ case reply::bad_request:
+ return bad_request;
+ case reply::unauthorized:
+ return unauthorized;
+ case reply::forbidden:
+ return forbidden;
+ case reply::not_found:
+ return not_found;
+ case reply::internal_server_error:
+ return internal_server_error;
+ case reply::not_implemented:
+ return not_implemented;
+ case reply::bad_gateway:
+ return bad_gateway;
+ case reply::service_unavailable:
+ return service_unavailable;
+ default:
+ return internal_server_error;
+ }
+}
+
+} // namespace stock_replies
+
+reply reply::stock_reply(reply::status_type status)
+{
+ reply rep;
+ rep.status = status;
+ rep.content = stock_replies::to_string(status);
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = "text/html";
+ return rep;
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/reply.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/reply.hpp
new file mode 100644
index 00000000000..f4be7ca94fe
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/reply.hpp
@@ -0,0 +1,64 @@
+//
+// reply.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_REPLY_HPP
+#define HTTP_SERVER2_REPLY_HPP
+
+#include <string>
+#include <vector>
+#include <asio.hpp>
+#include "header.hpp"
+
+namespace http {
+namespace server2 {
+
+/// A reply to be sent to a client.
+struct reply
+{
+ /// The status of the reply.
+ enum status_type
+ {
+ ok = 200,
+ created = 201,
+ accepted = 202,
+ no_content = 204,
+ multiple_choices = 300,
+ moved_permanently = 301,
+ moved_temporarily = 302,
+ not_modified = 304,
+ bad_request = 400,
+ unauthorized = 401,
+ forbidden = 403,
+ not_found = 404,
+ internal_server_error = 500,
+ not_implemented = 501,
+ bad_gateway = 502,
+ service_unavailable = 503
+ } status;
+
+ /// The headers to be included in the reply.
+ std::vector<header> headers;
+
+ /// The content to be sent in the reply.
+ std::string content;
+
+ /// Convert the reply into a vector of buffers. The buffers do not own the
+ /// underlying memory blocks, therefore the reply object must remain valid and
+ /// not be changed until the write operation has completed.
+ std::vector<asio::const_buffer> to_buffers();
+
+ /// Get a stock reply.
+ static reply stock_reply(status_type status);
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_REPLY_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/request.hpp
new file mode 100644
index 00000000000..b0000b00967
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request.hpp
@@ -0,0 +1,34 @@
+//
+// request.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_REQUEST_HPP
+#define HTTP_SERVER2_REQUEST_HPP
+
+#include <string>
+#include <vector>
+#include "header.hpp"
+
+namespace http {
+namespace server2 {
+
+/// A request received from a client.
+struct request
+{
+ std::string method;
+ std::string uri;
+ int http_version_major;
+ int http_version_minor;
+ std::vector<header> headers;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_REQUEST_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.cpp
new file mode 100644
index 00000000000..c57fa9757f5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.cpp
@@ -0,0 +1,121 @@
+//
+// request_handler.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "request_handler.hpp"
+#include <fstream>
+#include <sstream>
+#include <string>
+#include "mime_types.hpp"
+#include "reply.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server2 {
+
+request_handler::request_handler(const std::string& doc_root)
+ : doc_root_(doc_root)
+{
+}
+
+void request_handler::handle_request(const request& req, reply& rep)
+{
+ // Decode url to path.
+ std::string request_path;
+ if (!url_decode(req.uri, request_path))
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // Request path must be absolute and not contain "..".
+ if (request_path.empty() || request_path[0] != '/'
+ || request_path.find("..") != std::string::npos)
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // If path ends in slash (i.e. is a directory) then add "index.html".
+ if (request_path[request_path.size() - 1] == '/')
+ {
+ request_path += "index.html";
+ }
+
+ // Determine the file extension.
+ std::size_t last_slash_pos = request_path.find_last_of("/");
+ std::size_t last_dot_pos = request_path.find_last_of(".");
+ std::string extension;
+ if (last_dot_pos != std::string::npos && last_dot_pos > last_slash_pos)
+ {
+ extension = request_path.substr(last_dot_pos + 1);
+ }
+
+ // Open the file to send back.
+ std::string full_path = doc_root_ + request_path;
+ std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
+ if (!is)
+ {
+ rep = reply::stock_reply(reply::not_found);
+ return;
+ }
+
+ // Fill out the reply to be sent to the client.
+ rep.status = reply::ok;
+ char buf[512];
+ while (is.read(buf, sizeof(buf)).gcount() > 0)
+ rep.content.append(buf, is.gcount());
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = mime_types::extension_to_type(extension);
+}
+
+bool request_handler::url_decode(const std::string& in, std::string& out)
+{
+ out.clear();
+ out.reserve(in.size());
+ for (std::size_t i = 0; i < in.size(); ++i)
+ {
+ if (in[i] == '%')
+ {
+ if (i + 3 <= in.size())
+ {
+ int value = 0;
+ std::istringstream is(in.substr(i + 1, 2));
+ if (is >> std::hex >> value)
+ {
+ out += static_cast<char>(value);
+ i += 2;
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else if (in[i] == '+')
+ {
+ out += ' ';
+ }
+ else
+ {
+ out += in[i];
+ }
+ }
+ return true;
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.hpp
new file mode 100644
index 00000000000..c9e9ebf418f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request_handler.hpp
@@ -0,0 +1,47 @@
+//
+// request_handler.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_REQUEST_HANDLER_HPP
+#define HTTP_SERVER2_REQUEST_HANDLER_HPP
+
+#include <string>
+
+namespace http {
+namespace server2 {
+
+struct reply;
+struct request;
+
+/// The common handler for all incoming requests.
+class request_handler
+{
+public:
+ request_handler(const request_handler&) = delete;
+ request_handler& operator=(const request_handler&) = delete;
+
+ /// Construct with a directory containing files to be served.
+ explicit request_handler(const std::string& doc_root);
+
+ /// Handle a request and produce a reply.
+ void handle_request(const request& req, reply& rep);
+
+private:
+ /// The directory containing the files to be served.
+ std::string doc_root_;
+
+ /// Perform URL-decoding on a string. Returns false if the encoding was
+ /// invalid.
+ static bool url_decode(const std::string& in, std::string& out);
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_REQUEST_HANDLER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.cpp
new file mode 100644
index 00000000000..2cd8ac00b47
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.cpp
@@ -0,0 +1,315 @@
+//
+// request_parser.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "request_parser.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server2 {
+
+request_parser::request_parser()
+ : state_(method_start)
+{
+}
+
+void request_parser::reset()
+{
+ state_ = method_start;
+}
+
+request_parser::result_type request_parser::consume(request& req, char input)
+{
+ switch (state_)
+ {
+ case method_start:
+ if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = method;
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case method:
+ if (input == ' ')
+ {
+ state_ = uri;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case uri:
+ if (input == ' ')
+ {
+ state_ = http_version_h;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.uri.push_back(input);
+ return indeterminate;
+ }
+ case http_version_h:
+ if (input == 'H')
+ {
+ state_ = http_version_t_1;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_1:
+ if (input == 'T')
+ {
+ state_ = http_version_t_2;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_2:
+ if (input == 'T')
+ {
+ state_ = http_version_p;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_p:
+ if (input == 'P')
+ {
+ state_ = http_version_slash;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_slash:
+ if (input == '/')
+ {
+ req.http_version_major = 0;
+ req.http_version_minor = 0;
+ state_ = http_version_major_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major_start:
+ if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ state_ = http_version_major;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major:
+ if (input == '.')
+ {
+ state_ = http_version_minor_start;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor_start:
+ if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ state_ = http_version_minor;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_1;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_1:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_line_start:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_3;
+ return indeterminate;
+ }
+ else if (!req.headers.empty() && (input == ' ' || input == '\t'))
+ {
+ state_ = header_lws;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.push_back(header());
+ req.headers.back().name.push_back(input);
+ state_ = header_name;
+ return indeterminate;
+ }
+ case header_lws:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (input == ' ' || input == '\t')
+ {
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = header_value;
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case header_name:
+ if (input == ':')
+ {
+ state_ = space_before_header_value;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().name.push_back(input);
+ return indeterminate;
+ }
+ case space_before_header_value:
+ if (input == ' ')
+ {
+ state_ = header_value;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_value:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case expecting_newline_2:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_3:
+ return (input == '\n') ? good : bad;
+ default:
+ return bad;
+ }
+}
+
+bool request_parser::is_char(int c)
+{
+ return c >= 0 && c <= 127;
+}
+
+bool request_parser::is_ctl(int c)
+{
+ return (c >= 0 && c <= 31) || (c == 127);
+}
+
+bool request_parser::is_tspecial(int c)
+{
+ switch (c)
+ {
+ case '(': case ')': case '<': case '>': case '@':
+ case ',': case ';': case ':': case '\\': case '"':
+ case '/': case '[': case ']': case '?': case '=':
+ case '{': case '}': case ' ': case '\t':
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool request_parser::is_digit(int c)
+{
+ return c >= '0' && c <= '9';
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp
new file mode 100644
index 00000000000..1d11168b72d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/request_parser.hpp
@@ -0,0 +1,96 @@
+//
+// request_parser.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_REQUEST_PARSER_HPP
+#define HTTP_SERVER2_REQUEST_PARSER_HPP
+
+#include <tuple>
+
+namespace http {
+namespace server2 {
+
+struct request;
+
+/// Parser for incoming requests.
+class request_parser
+{
+public:
+ /// Construct ready to parse the request method.
+ request_parser();
+
+ /// Reset to initial parser state.
+ void reset();
+
+ /// Result of parse.
+ enum result_type { good, bad, indeterminate };
+
+ /// Parse some data. The enum return value is good when a complete request has
+ /// been parsed, bad if the data is invalid, indeterminate when more data is
+ /// required. The InputIterator return value indicates how much of the input
+ /// has been consumed.
+ template <typename InputIterator>
+ std::tuple<result_type, InputIterator> parse(request& req,
+ InputIterator begin, InputIterator end)
+ {
+ while (begin != end)
+ {
+ result_type result = consume(req, *begin++);
+ if (result == good || result == bad)
+ return std::make_tuple(result, begin);
+ }
+ return std::make_tuple(indeterminate, begin);
+ }
+
+private:
+ /// Handle the next character of input.
+ result_type consume(request& req, char input);
+
+ /// Check if a byte is an HTTP character.
+ static bool is_char(int c);
+
+ /// Check if a byte is an HTTP control character.
+ static bool is_ctl(int c);
+
+ /// Check if a byte is defined as an HTTP tspecial character.
+ static bool is_tspecial(int c);
+
+ /// Check if a byte is a digit.
+ static bool is_digit(int c);
+
+ /// The current state of the parser.
+ enum state
+ {
+ method_start,
+ method,
+ uri,
+ http_version_h,
+ http_version_t_1,
+ http_version_t_2,
+ http_version_p,
+ http_version_slash,
+ http_version_major_start,
+ http_version_major,
+ http_version_minor_start,
+ http_version_minor,
+ expecting_newline_1,
+ header_line_start,
+ header_lws,
+ header_name,
+ space_before_header_value,
+ header_value,
+ expecting_newline_2,
+ expecting_newline_3
+ } state_;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_REQUEST_PARSER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/server.cpp b/3rdparty/asio/src/examples/cpp11/http/server2/server.cpp
new file mode 100644
index 00000000000..2ae733086a5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/server.cpp
@@ -0,0 +1,86 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "server.hpp"
+#include <signal.h>
+#include <utility>
+#include "connection.hpp"
+
+namespace http {
+namespace server2 {
+
+server::server(const std::string& address, const std::string& port,
+ const std::string& doc_root, std::size_t io_context_pool_size)
+ : io_context_pool_(io_context_pool_size),
+ signals_(io_context_pool_.get_io_context()),
+ acceptor_(io_context_pool_.get_io_context()),
+ request_handler_(doc_root)
+{
+ // Register to handle the signals that indicate when the server should exit.
+ // It is safe to register for the same signal multiple times in a program,
+ // provided all registration for the specified signal is made through Asio.
+ signals_.add(SIGINT);
+ signals_.add(SIGTERM);
+#if defined(SIGQUIT)
+ signals_.add(SIGQUIT);
+#endif // defined(SIGQUIT)
+
+ do_await_stop();
+
+ // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
+ asio::ip::tcp::resolver resolver(acceptor_.get_executor());
+ asio::ip::tcp::endpoint endpoint =
+ *resolver.resolve(address, port).begin();
+ acceptor_.open(endpoint.protocol());
+ acceptor_.set_option(asio::ip::tcp::acceptor::reuse_address(true));
+ acceptor_.bind(endpoint);
+ acceptor_.listen();
+
+ do_accept();
+}
+
+void server::run()
+{
+ io_context_pool_.run();
+}
+
+void server::do_accept()
+{
+ acceptor_.async_accept(io_context_pool_.get_io_context(),
+ [this](std::error_code ec, asio::ip::tcp::socket socket)
+ {
+ // Check whether the server was stopped by a signal before this
+ // completion handler had a chance to run.
+ if (!acceptor_.is_open())
+ {
+ return;
+ }
+
+ if (!ec)
+ {
+ std::make_shared<connection>(
+ std::move(socket), request_handler_)->start();
+ }
+
+ do_accept();
+ });
+}
+
+void server::do_await_stop()
+{
+ signals_.async_wait(
+ [this](std::error_code /*ec*/, int /*signo*/)
+ {
+ io_context_pool_.stop();
+ });
+}
+
+} // namespace server2
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server2/server.hpp b/3rdparty/asio/src/examples/cpp11/http/server2/server.hpp
new file mode 100644
index 00000000000..9d34a77ed7c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server2/server.hpp
@@ -0,0 +1,60 @@
+//
+// server.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER2_SERVER_HPP
+#define HTTP_SERVER2_SERVER_HPP
+
+#include <asio.hpp>
+#include <string>
+#include "io_context_pool.hpp"
+#include "request_handler.hpp"
+
+namespace http {
+namespace server2 {
+
+/// The top-level class of the HTTP server.
+class server
+{
+public:
+ server(const server&) = delete;
+ server& operator=(const server&) = delete;
+
+ /// Construct the server to listen on the specified TCP address and port, and
+ /// serve up files from the given directory.
+ explicit server(const std::string& address, const std::string& port,
+ const std::string& doc_root, std::size_t io_context_pool_size);
+
+ /// Run the server's io_context loop.
+ void run();
+
+private:
+ /// Perform an asynchronous accept operation.
+ void do_accept();
+
+ /// Wait for a request to stop the server.
+ void do_await_stop();
+
+ /// The pool of io_context objects used to perform asynchronous operations.
+ io_context_pool io_context_pool_;
+
+ /// The signal_set is used to register for process termination notifications.
+ asio::signal_set signals_;
+
+ /// Acceptor used to listen for incoming connections.
+ asio::ip::tcp::acceptor acceptor_;
+
+ /// The handler for all incoming requests.
+ request_handler request_handler_;
+};
+
+} // namespace server2
+} // namespace http
+
+#endif // HTTP_SERVER2_SERVER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/connection.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/connection.cpp
new file mode 100644
index 00000000000..d4070364fb4
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/connection.cpp
@@ -0,0 +1,89 @@
+//
+// connection.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "connection.hpp"
+#include <utility>
+#include "request_handler.hpp"
+
+namespace http {
+namespace server3 {
+
+connection::connection(asio::ip::tcp::socket socket,
+ request_handler& handler)
+ : socket_(std::move(socket)),
+ request_handler_(handler)
+{
+}
+
+void connection::start()
+{
+ do_read();
+}
+
+void connection::do_read()
+{
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(buffer_),
+ [this, self](std::error_code ec, std::size_t bytes_transferred)
+ {
+ if (!ec)
+ {
+ request_parser::result_type result;
+ std::tie(result, std::ignore) = request_parser_.parse(
+ request_, buffer_.data(), buffer_.data() + bytes_transferred);
+
+ if (result == request_parser::good)
+ {
+ request_handler_.handle_request(request_, reply_);
+ do_write();
+ }
+ else if (result == request_parser::bad)
+ {
+ reply_ = reply::stock_reply(reply::bad_request);
+ do_write();
+ }
+ else
+ {
+ do_read();
+ }
+ }
+
+ // If an error occurs then no new asynchronous operations are
+ // started. This means that all shared_ptr references to the
+ // connection object will disappear and the object will be
+ // destroyed automatically after this handler returns. The
+ // connection class's destructor closes the socket.
+ });
+}
+
+void connection::do_write()
+{
+ auto self(shared_from_this());
+ asio::async_write(socket_, reply_.to_buffers(),
+ [this, self](std::error_code ec, std::size_t)
+ {
+ if (!ec)
+ {
+ // Initiate graceful connection closure.
+ std::error_code ignored_ec;
+ socket_.shutdown(asio::ip::tcp::socket::shutdown_both,
+ ignored_ec);
+ }
+
+ // No new asynchronous operations are started. This means that
+ // all shared_ptr references to the connection object will
+ // disappear and the object will be destroyed automatically after
+ // this handler returns. The connection class's destructor closes
+ // the socket.
+ });
+}
+
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/connection.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/connection.hpp
new file mode 100644
index 00000000000..878cd45d366
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/connection.hpp
@@ -0,0 +1,71 @@
+//
+// connection.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_CONNECTION_HPP
+#define HTTP_SERVER3_CONNECTION_HPP
+
+#include <asio.hpp>
+#include <array>
+#include <memory>
+#include "reply.hpp"
+#include "request.hpp"
+#include "request_handler.hpp"
+#include "request_parser.hpp"
+
+namespace http {
+namespace server3 {
+
+/// Represents a single connection from a client.
+class connection
+ : public std::enable_shared_from_this<connection>
+{
+public:
+ connection(const connection&) = delete;
+ connection& operator=(const connection&) = delete;
+
+ /// Construct a connection with the given socket.
+ explicit connection(asio::ip::tcp::socket socket,
+ request_handler& handler);
+
+ /// Start the first asynchronous operation for the connection.
+ void start();
+
+private:
+ /// Perform an asynchronous read operation.
+ void do_read();
+
+ /// Perform an asynchronous write operation.
+ void do_write();
+
+ /// Socket for the connection.
+ asio::ip::tcp::socket socket_;
+
+ /// The handler used to process the incoming request.
+ request_handler& request_handler_;
+
+ /// Buffer for incoming data.
+ std::array<char, 8192> buffer_;
+
+ /// The incoming request.
+ request request_;
+
+ /// The parser for the incoming request.
+ request_parser request_parser_;
+
+ /// The reply to be sent back to the client.
+ reply reply_;
+};
+
+typedef std::shared_ptr<connection> connection_ptr;
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_CONNECTION_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/header.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/header.hpp
new file mode 100644
index 00000000000..8ab5d145a6d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/header.hpp
@@ -0,0 +1,28 @@
+//
+// header.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_HEADER_HPP
+#define HTTP_SERVER3_HEADER_HPP
+
+#include <string>
+
+namespace http {
+namespace server3 {
+
+struct header
+{
+ std::string name;
+ std::string value;
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_HEADER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/main.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/main.cpp
new file mode 100644
index 00000000000..243de69bc75
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/main.cpp
@@ -0,0 +1,44 @@
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+#include "server.hpp"
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ // Check command line arguments.
+ if (argc != 5)
+ {
+ std::cerr << "Usage: http_server <address> <port> <threads> <doc_root>\n";
+ std::cerr << " For IPv4, try:\n";
+ std::cerr << " receiver 0.0.0.0 80 1 .\n";
+ std::cerr << " For IPv6, try:\n";
+ std::cerr << " receiver 0::0 80 1 .\n";
+ return 1;
+ }
+
+ // Initialise the server.
+ std::size_t num_threads = std::stoi(argv[3]);
+ http::server3::server s(argv[1], argv[2], argv[4], num_threads);
+
+ // Run the server until stopped.
+ s.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.cpp
new file mode 100644
index 00000000000..d0d804c7caa
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.cpp
@@ -0,0 +1,46 @@
+//
+// mime_types.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "mime_types.hpp"
+
+namespace http {
+namespace server3 {
+namespace mime_types {
+
+struct mapping
+{
+ const char* extension;
+ const char* mime_type;
+} mappings[] =
+{
+ { "gif", "image/gif" },
+ { "htm", "text/html" },
+ { "html", "text/html" },
+ { "jpg", "image/jpeg" },
+ { "png", "image/png" },
+ { 0, 0 } // Marks end of list.
+};
+
+std::string extension_to_type(const std::string& extension)
+{
+ for (mapping* m = mappings; m->extension; ++m)
+ {
+ if (m->extension == extension)
+ {
+ return m->mime_type;
+ }
+ }
+
+ return "text/plain";
+}
+
+} // namespace mime_types
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.hpp
new file mode 100644
index 00000000000..a144c8677e6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/mime_types.hpp
@@ -0,0 +1,27 @@
+//
+// mime_types.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_MIME_TYPES_HPP
+#define HTTP_SERVER3_MIME_TYPES_HPP
+
+#include <string>
+
+namespace http {
+namespace server3 {
+namespace mime_types {
+
+/// Convert a file extension into a MIME type.
+std::string extension_to_type(const std::string& extension);
+
+} // namespace mime_types
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_MIME_TYPES_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/reply.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/reply.cpp
new file mode 100644
index 00000000000..4695d4a8da2
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/reply.cpp
@@ -0,0 +1,255 @@
+//
+// reply.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "reply.hpp"
+#include <string>
+
+namespace http {
+namespace server3 {
+
+namespace status_strings {
+
+const std::string ok =
+ "HTTP/1.0 200 OK\r\n";
+const std::string created =
+ "HTTP/1.0 201 Created\r\n";
+const std::string accepted =
+ "HTTP/1.0 202 Accepted\r\n";
+const std::string no_content =
+ "HTTP/1.0 204 No Content\r\n";
+const std::string multiple_choices =
+ "HTTP/1.0 300 Multiple Choices\r\n";
+const std::string moved_permanently =
+ "HTTP/1.0 301 Moved Permanently\r\n";
+const std::string moved_temporarily =
+ "HTTP/1.0 302 Moved Temporarily\r\n";
+const std::string not_modified =
+ "HTTP/1.0 304 Not Modified\r\n";
+const std::string bad_request =
+ "HTTP/1.0 400 Bad Request\r\n";
+const std::string unauthorized =
+ "HTTP/1.0 401 Unauthorized\r\n";
+const std::string forbidden =
+ "HTTP/1.0 403 Forbidden\r\n";
+const std::string not_found =
+ "HTTP/1.0 404 Not Found\r\n";
+const std::string internal_server_error =
+ "HTTP/1.0 500 Internal Server Error\r\n";
+const std::string not_implemented =
+ "HTTP/1.0 501 Not Implemented\r\n";
+const std::string bad_gateway =
+ "HTTP/1.0 502 Bad Gateway\r\n";
+const std::string service_unavailable =
+ "HTTP/1.0 503 Service Unavailable\r\n";
+
+asio::const_buffer to_buffer(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return asio::buffer(ok);
+ case reply::created:
+ return asio::buffer(created);
+ case reply::accepted:
+ return asio::buffer(accepted);
+ case reply::no_content:
+ return asio::buffer(no_content);
+ case reply::multiple_choices:
+ return asio::buffer(multiple_choices);
+ case reply::moved_permanently:
+ return asio::buffer(moved_permanently);
+ case reply::moved_temporarily:
+ return asio::buffer(moved_temporarily);
+ case reply::not_modified:
+ return asio::buffer(not_modified);
+ case reply::bad_request:
+ return asio::buffer(bad_request);
+ case reply::unauthorized:
+ return asio::buffer(unauthorized);
+ case reply::forbidden:
+ return asio::buffer(forbidden);
+ case reply::not_found:
+ return asio::buffer(not_found);
+ case reply::internal_server_error:
+ return asio::buffer(internal_server_error);
+ case reply::not_implemented:
+ return asio::buffer(not_implemented);
+ case reply::bad_gateway:
+ return asio::buffer(bad_gateway);
+ case reply::service_unavailable:
+ return asio::buffer(service_unavailable);
+ default:
+ return asio::buffer(internal_server_error);
+ }
+}
+
+} // namespace status_strings
+
+namespace misc_strings {
+
+const char name_value_separator[] = { ':', ' ' };
+const char crlf[] = { '\r', '\n' };
+
+} // namespace misc_strings
+
+std::vector<asio::const_buffer> reply::to_buffers()
+{
+ std::vector<asio::const_buffer> buffers;
+ buffers.push_back(status_strings::to_buffer(status));
+ for (std::size_t i = 0; i < headers.size(); ++i)
+ {
+ header& h = headers[i];
+ buffers.push_back(asio::buffer(h.name));
+ buffers.push_back(asio::buffer(misc_strings::name_value_separator));
+ buffers.push_back(asio::buffer(h.value));
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ }
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ buffers.push_back(asio::buffer(content));
+ return buffers;
+}
+
+namespace stock_replies {
+
+const char ok[] = "";
+const char created[] =
+ "<html>"
+ "<head><title>Created</title></head>"
+ "<body><h1>201 Created</h1></body>"
+ "</html>";
+const char accepted[] =
+ "<html>"
+ "<head><title>Accepted</title></head>"
+ "<body><h1>202 Accepted</h1></body>"
+ "</html>";
+const char no_content[] =
+ "<html>"
+ "<head><title>No Content</title></head>"
+ "<body><h1>204 Content</h1></body>"
+ "</html>";
+const char multiple_choices[] =
+ "<html>"
+ "<head><title>Multiple Choices</title></head>"
+ "<body><h1>300 Multiple Choices</h1></body>"
+ "</html>";
+const char moved_permanently[] =
+ "<html>"
+ "<head><title>Moved Permanently</title></head>"
+ "<body><h1>301 Moved Permanently</h1></body>"
+ "</html>";
+const char moved_temporarily[] =
+ "<html>"
+ "<head><title>Moved Temporarily</title></head>"
+ "<body><h1>302 Moved Temporarily</h1></body>"
+ "</html>";
+const char not_modified[] =
+ "<html>"
+ "<head><title>Not Modified</title></head>"
+ "<body><h1>304 Not Modified</h1></body>"
+ "</html>";
+const char bad_request[] =
+ "<html>"
+ "<head><title>Bad Request</title></head>"
+ "<body><h1>400 Bad Request</h1></body>"
+ "</html>";
+const char unauthorized[] =
+ "<html>"
+ "<head><title>Unauthorized</title></head>"
+ "<body><h1>401 Unauthorized</h1></body>"
+ "</html>";
+const char forbidden[] =
+ "<html>"
+ "<head><title>Forbidden</title></head>"
+ "<body><h1>403 Forbidden</h1></body>"
+ "</html>";
+const char not_found[] =
+ "<html>"
+ "<head><title>Not Found</title></head>"
+ "<body><h1>404 Not Found</h1></body>"
+ "</html>";
+const char internal_server_error[] =
+ "<html>"
+ "<head><title>Internal Server Error</title></head>"
+ "<body><h1>500 Internal Server Error</h1></body>"
+ "</html>";
+const char not_implemented[] =
+ "<html>"
+ "<head><title>Not Implemented</title></head>"
+ "<body><h1>501 Not Implemented</h1></body>"
+ "</html>";
+const char bad_gateway[] =
+ "<html>"
+ "<head><title>Bad Gateway</title></head>"
+ "<body><h1>502 Bad Gateway</h1></body>"
+ "</html>";
+const char service_unavailable[] =
+ "<html>"
+ "<head><title>Service Unavailable</title></head>"
+ "<body><h1>503 Service Unavailable</h1></body>"
+ "</html>";
+
+std::string to_string(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return ok;
+ case reply::created:
+ return created;
+ case reply::accepted:
+ return accepted;
+ case reply::no_content:
+ return no_content;
+ case reply::multiple_choices:
+ return multiple_choices;
+ case reply::moved_permanently:
+ return moved_permanently;
+ case reply::moved_temporarily:
+ return moved_temporarily;
+ case reply::not_modified:
+ return not_modified;
+ case reply::bad_request:
+ return bad_request;
+ case reply::unauthorized:
+ return unauthorized;
+ case reply::forbidden:
+ return forbidden;
+ case reply::not_found:
+ return not_found;
+ case reply::internal_server_error:
+ return internal_server_error;
+ case reply::not_implemented:
+ return not_implemented;
+ case reply::bad_gateway:
+ return bad_gateway;
+ case reply::service_unavailable:
+ return service_unavailable;
+ default:
+ return internal_server_error;
+ }
+}
+
+} // namespace stock_replies
+
+reply reply::stock_reply(reply::status_type status)
+{
+ reply rep;
+ rep.status = status;
+ rep.content = stock_replies::to_string(status);
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = "text/html";
+ return rep;
+}
+
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/reply.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/reply.hpp
new file mode 100644
index 00000000000..fd9c7ed9ed5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/reply.hpp
@@ -0,0 +1,64 @@
+//
+// reply.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_REPLY_HPP
+#define HTTP_SERVER3_REPLY_HPP
+
+#include <string>
+#include <vector>
+#include <asio.hpp>
+#include "header.hpp"
+
+namespace http {
+namespace server3 {
+
+/// A reply to be sent to a client.
+struct reply
+{
+ /// The status of the reply.
+ enum status_type
+ {
+ ok = 200,
+ created = 201,
+ accepted = 202,
+ no_content = 204,
+ multiple_choices = 300,
+ moved_permanently = 301,
+ moved_temporarily = 302,
+ not_modified = 304,
+ bad_request = 400,
+ unauthorized = 401,
+ forbidden = 403,
+ not_found = 404,
+ internal_server_error = 500,
+ not_implemented = 501,
+ bad_gateway = 502,
+ service_unavailable = 503
+ } status;
+
+ /// The headers to be included in the reply.
+ std::vector<header> headers;
+
+ /// The content to be sent in the reply.
+ std::string content;
+
+ /// Convert the reply into a vector of buffers. The buffers do not own the
+ /// underlying memory blocks, therefore the reply object must remain valid and
+ /// not be changed until the write operation has completed.
+ std::vector<asio::const_buffer> to_buffers();
+
+ /// Get a stock reply.
+ static reply stock_reply(status_type status);
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_REPLY_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/request.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/request.hpp
new file mode 100644
index 00000000000..89a2f285b7a
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/request.hpp
@@ -0,0 +1,34 @@
+//
+// request.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_REQUEST_HPP
+#define HTTP_SERVER3_REQUEST_HPP
+
+#include <string>
+#include <vector>
+#include "header.hpp"
+
+namespace http {
+namespace server3 {
+
+/// A request received from a client.
+struct request
+{
+ std::string method;
+ std::string uri;
+ int http_version_major;
+ int http_version_minor;
+ std::vector<header> headers;
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_REQUEST_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.cpp
new file mode 100644
index 00000000000..bdc6bd60892
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.cpp
@@ -0,0 +1,121 @@
+//
+// request_handler.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "request_handler.hpp"
+#include <fstream>
+#include <sstream>
+#include <string>
+#include "mime_types.hpp"
+#include "reply.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server3 {
+
+request_handler::request_handler(const std::string& doc_root)
+ : doc_root_(doc_root)
+{
+}
+
+void request_handler::handle_request(const request& req, reply& rep)
+{
+ // Decode url to path.
+ std::string request_path;
+ if (!url_decode(req.uri, request_path))
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // Request path must be absolute and not contain "..".
+ if (request_path.empty() || request_path[0] != '/'
+ || request_path.find("..") != std::string::npos)
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // If path ends in slash (i.e. is a directory) then add "index.html".
+ if (request_path[request_path.size() - 1] == '/')
+ {
+ request_path += "index.html";
+ }
+
+ // Determine the file extension.
+ std::size_t last_slash_pos = request_path.find_last_of("/");
+ std::size_t last_dot_pos = request_path.find_last_of(".");
+ std::string extension;
+ if (last_dot_pos != std::string::npos && last_dot_pos > last_slash_pos)
+ {
+ extension = request_path.substr(last_dot_pos + 1);
+ }
+
+ // Open the file to send back.
+ std::string full_path = doc_root_ + request_path;
+ std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
+ if (!is)
+ {
+ rep = reply::stock_reply(reply::not_found);
+ return;
+ }
+
+ // Fill out the reply to be sent to the client.
+ rep.status = reply::ok;
+ char buf[512];
+ while (is.read(buf, sizeof(buf)).gcount() > 0)
+ rep.content.append(buf, is.gcount());
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = mime_types::extension_to_type(extension);
+}
+
+bool request_handler::url_decode(const std::string& in, std::string& out)
+{
+ out.clear();
+ out.reserve(in.size());
+ for (std::size_t i = 0; i < in.size(); ++i)
+ {
+ if (in[i] == '%')
+ {
+ if (i + 3 <= in.size())
+ {
+ int value = 0;
+ std::istringstream is(in.substr(i + 1, 2));
+ if (is >> std::hex >> value)
+ {
+ out += static_cast<char>(value);
+ i += 2;
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else if (in[i] == '+')
+ {
+ out += ' ';
+ }
+ else
+ {
+ out += in[i];
+ }
+ }
+ return true;
+}
+
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.hpp
new file mode 100644
index 00000000000..e3fe84ed0cb
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/request_handler.hpp
@@ -0,0 +1,47 @@
+//
+// request_handler.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_REQUEST_HANDLER_HPP
+#define HTTP_SERVER3_REQUEST_HANDLER_HPP
+
+#include <string>
+
+namespace http {
+namespace server3 {
+
+struct reply;
+struct request;
+
+/// The common handler for all incoming requests.
+class request_handler
+{
+public:
+ request_handler(const request_handler&) = delete;
+ request_handler& operator=(const request_handler&) = delete;
+
+ /// Construct with a directory containing files to be served.
+ explicit request_handler(const std::string& doc_root);
+
+ /// Handle a request and produce a reply.
+ void handle_request(const request& req, reply& rep);
+
+private:
+ /// The directory containing the files to be served.
+ std::string doc_root_;
+
+ /// Perform URL-decoding on a string. Returns false if the encoding was
+ /// invalid.
+ static bool url_decode(const std::string& in, std::string& out);
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_REQUEST_HANDLER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.cpp
new file mode 100644
index 00000000000..9fb6424fad7
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.cpp
@@ -0,0 +1,315 @@
+//
+// request_parser.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "request_parser.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server3 {
+
+request_parser::request_parser()
+ : state_(method_start)
+{
+}
+
+void request_parser::reset()
+{
+ state_ = method_start;
+}
+
+request_parser::result_type request_parser::consume(request& req, char input)
+{
+ switch (state_)
+ {
+ case method_start:
+ if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = method;
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case method:
+ if (input == ' ')
+ {
+ state_ = uri;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case uri:
+ if (input == ' ')
+ {
+ state_ = http_version_h;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.uri.push_back(input);
+ return indeterminate;
+ }
+ case http_version_h:
+ if (input == 'H')
+ {
+ state_ = http_version_t_1;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_1:
+ if (input == 'T')
+ {
+ state_ = http_version_t_2;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_2:
+ if (input == 'T')
+ {
+ state_ = http_version_p;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_p:
+ if (input == 'P')
+ {
+ state_ = http_version_slash;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_slash:
+ if (input == '/')
+ {
+ req.http_version_major = 0;
+ req.http_version_minor = 0;
+ state_ = http_version_major_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major_start:
+ if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ state_ = http_version_major;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major:
+ if (input == '.')
+ {
+ state_ = http_version_minor_start;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor_start:
+ if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ state_ = http_version_minor;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_1;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_1:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_line_start:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_3;
+ return indeterminate;
+ }
+ else if (!req.headers.empty() && (input == ' ' || input == '\t'))
+ {
+ state_ = header_lws;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.push_back(header());
+ req.headers.back().name.push_back(input);
+ state_ = header_name;
+ return indeterminate;
+ }
+ case header_lws:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (input == ' ' || input == '\t')
+ {
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = header_value;
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case header_name:
+ if (input == ':')
+ {
+ state_ = space_before_header_value;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().name.push_back(input);
+ return indeterminate;
+ }
+ case space_before_header_value:
+ if (input == ' ')
+ {
+ state_ = header_value;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_value:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case expecting_newline_2:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_3:
+ return (input == '\n') ? good : bad;
+ default:
+ return bad;
+ }
+}
+
+bool request_parser::is_char(int c)
+{
+ return c >= 0 && c <= 127;
+}
+
+bool request_parser::is_ctl(int c)
+{
+ return (c >= 0 && c <= 31) || (c == 127);
+}
+
+bool request_parser::is_tspecial(int c)
+{
+ switch (c)
+ {
+ case '(': case ')': case '<': case '>': case '@':
+ case ',': case ';': case ':': case '\\': case '"':
+ case '/': case '[': case ']': case '?': case '=':
+ case '{': case '}': case ' ': case '\t':
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool request_parser::is_digit(int c)
+{
+ return c >= '0' && c <= '9';
+}
+
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.hpp
new file mode 100644
index 00000000000..a8334ed13ee
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/request_parser.hpp
@@ -0,0 +1,96 @@
+//
+// request_parser.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_REQUEST_PARSER_HPP
+#define HTTP_SERVER3_REQUEST_PARSER_HPP
+
+#include <tuple>
+
+namespace http {
+namespace server3 {
+
+struct request;
+
+/// Parser for incoming requests.
+class request_parser
+{
+public:
+ /// Construct ready to parse the request method.
+ request_parser();
+
+ /// Reset to initial parser state.
+ void reset();
+
+ /// Result of parse.
+ enum result_type { good, bad, indeterminate };
+
+ /// Parse some data. The enum return value is good when a complete request has
+ /// been parsed, bad if the data is invalid, indeterminate when more data is
+ /// required. The InputIterator return value indicates how much of the input
+ /// has been consumed.
+ template <typename InputIterator>
+ std::tuple<result_type, InputIterator> parse(request& req,
+ InputIterator begin, InputIterator end)
+ {
+ while (begin != end)
+ {
+ result_type result = consume(req, *begin++);
+ if (result == good || result == bad)
+ return std::make_tuple(result, begin);
+ }
+ return std::make_tuple(indeterminate, begin);
+ }
+
+private:
+ /// Handle the next character of input.
+ result_type consume(request& req, char input);
+
+ /// Check if a byte is an HTTP character.
+ static bool is_char(int c);
+
+ /// Check if a byte is an HTTP control character.
+ static bool is_ctl(int c);
+
+ /// Check if a byte is defined as an HTTP tspecial character.
+ static bool is_tspecial(int c);
+
+ /// Check if a byte is a digit.
+ static bool is_digit(int c);
+
+ /// The current state of the parser.
+ enum state
+ {
+ method_start,
+ method,
+ uri,
+ http_version_h,
+ http_version_t_1,
+ http_version_t_2,
+ http_version_p,
+ http_version_slash,
+ http_version_major_start,
+ http_version_major,
+ http_version_minor_start,
+ http_version_minor,
+ expecting_newline_1,
+ header_line_start,
+ header_lws,
+ header_name,
+ space_before_header_value,
+ header_value,
+ expecting_newline_2,
+ expecting_newline_3
+ } state_;
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_REQUEST_PARSER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/server.cpp b/3rdparty/asio/src/examples/cpp11/http/server3/server.cpp
new file mode 100644
index 00000000000..c8da4b4f4db
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/server.cpp
@@ -0,0 +1,97 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "server.hpp"
+#include <signal.h>
+#include <thread>
+#include <utility>
+#include <vector>
+#include "connection.hpp"
+
+namespace http {
+namespace server3 {
+
+server::server(const std::string& address, const std::string& port,
+ const std::string& doc_root, std::size_t thread_pool_size)
+ : thread_pool_size_(thread_pool_size),
+ signals_(io_context_),
+ acceptor_(io_context_),
+ request_handler_(doc_root)
+{
+ // Register to handle the signals that indicate when the server should exit.
+ // It is safe to register for the same signal multiple times in a program,
+ // provided all registration for the specified signal is made through Asio.
+ signals_.add(SIGINT);
+ signals_.add(SIGTERM);
+#if defined(SIGQUIT)
+ signals_.add(SIGQUIT);
+#endif // defined(SIGQUIT)
+
+ do_await_stop();
+
+ // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
+ asio::ip::tcp::resolver resolver(io_context_);
+ asio::ip::tcp::endpoint endpoint =
+ *resolver.resolve(address, port).begin();
+ acceptor_.open(endpoint.protocol());
+ acceptor_.set_option(asio::ip::tcp::acceptor::reuse_address(true));
+ acceptor_.bind(endpoint);
+ acceptor_.listen();
+
+ do_accept();
+}
+
+void server::run()
+{
+ // Create a pool of threads to run the io_context.
+ std::vector<std::thread> threads;
+ for (std::size_t i = 0; i < thread_pool_size_; ++i)
+ threads.emplace_back([this]{ io_context_.run(); });
+
+ // Wait for all threads in the pool to exit.
+ for (std::size_t i = 0; i < threads.size(); ++i)
+ threads[i].join();
+}
+
+void server::do_accept()
+{
+ // The newly accepted socket is put into its own strand to ensure that all
+ // completion handlers associated with the connection do not run concurrently.
+ acceptor_.async_accept(asio::make_strand(io_context_),
+ [this](std::error_code ec, asio::ip::tcp::socket socket)
+ {
+ // Check whether the server was stopped by a signal before this
+ // completion handler had a chance to run.
+ if (!acceptor_.is_open())
+ {
+ return;
+ }
+
+ if (!ec)
+ {
+ std::make_shared<connection>(
+ std::move(socket), request_handler_)->start();
+ }
+
+ do_accept();
+ });
+}
+
+void server::do_await_stop()
+{
+ signals_.async_wait(
+ [this](std::error_code /*ec*/, int /*signo*/)
+ {
+ io_context_.stop();
+ });
+}
+
+} // namespace server3
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server3/server.hpp b/3rdparty/asio/src/examples/cpp11/http/server3/server.hpp
new file mode 100644
index 00000000000..2948cadbf17
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server3/server.hpp
@@ -0,0 +1,62 @@
+//
+// server.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER3_SERVER_HPP
+#define HTTP_SERVER3_SERVER_HPP
+
+#include <asio.hpp>
+#include <string>
+#include "request_handler.hpp"
+
+namespace http {
+namespace server3 {
+
+/// The top-level class of the HTTP server.
+class server
+{
+public:
+ server(const server&) = delete;
+ server& operator=(const server&) = delete;
+
+ /// Construct the server to listen on the specified TCP address and port, and
+ /// serve up files from the given directory.
+ explicit server(const std::string& address, const std::string& port,
+ const std::string& doc_root, std::size_t thread_pool_size);
+
+ /// Run the server's io_context loop.
+ void run();
+
+private:
+ /// Perform an asynchronous accept operation.
+ void do_accept();
+
+ /// Wait for a request to stop the server.
+ void do_await_stop();
+
+ /// The number of threads that will call io_context::run().
+ std::size_t thread_pool_size_;
+
+ /// The io_context used to perform asynchronous operations.
+ asio::io_context io_context_;
+
+ /// The signal_set is used to register for process termination notifications.
+ asio::signal_set signals_;
+
+ /// Acceptor used to listen for incoming connections.
+ asio::ip::tcp::acceptor acceptor_;
+
+ /// The handler for all incoming requests.
+ request_handler request_handler_;
+};
+
+} // namespace server3
+} // namespace http
+
+#endif // HTTP_SERVER3_SERVER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.cpp
new file mode 100644
index 00000000000..ad982e58b26
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.cpp
@@ -0,0 +1,121 @@
+//
+// file_handler.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "file_handler.hpp"
+#include <fstream>
+#include <sstream>
+#include <string>
+#include "mime_types.hpp"
+#include "reply.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server4 {
+
+file_handler::file_handler(const std::string& doc_root)
+ : doc_root_(doc_root)
+{
+}
+
+void file_handler::operator()(const request& req, reply& rep)
+{
+ // Decode url to path.
+ std::string request_path;
+ if (!url_decode(req.uri, request_path))
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // Request path must be absolute and not contain "..".
+ if (request_path.empty() || request_path[0] != '/'
+ || request_path.find("..") != std::string::npos)
+ {
+ rep = reply::stock_reply(reply::bad_request);
+ return;
+ }
+
+ // If path ends in slash (i.e. is a directory) then add "index.html".
+ if (request_path[request_path.size() - 1] == '/')
+ {
+ request_path += "index.html";
+ }
+
+ // Determine the file extension.
+ std::size_t last_slash_pos = request_path.find_last_of("/");
+ std::size_t last_dot_pos = request_path.find_last_of(".");
+ std::string extension;
+ if (last_dot_pos != std::string::npos && last_dot_pos > last_slash_pos)
+ {
+ extension = request_path.substr(last_dot_pos + 1);
+ }
+
+ // Open the file to send back.
+ std::string full_path = doc_root_ + request_path;
+ std::ifstream is(full_path.c_str(), std::ios::in | std::ios::binary);
+ if (!is)
+ {
+ rep = reply::stock_reply(reply::not_found);
+ return;
+ }
+
+ // Fill out the reply to be sent to the client.
+ rep.status = reply::ok;
+ char buf[512];
+ while (is.read(buf, sizeof(buf)).gcount() > 0)
+ rep.content.append(buf, is.gcount());
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = mime_types::extension_to_type(extension);
+}
+
+bool file_handler::url_decode(const std::string& in, std::string& out)
+{
+ out.clear();
+ out.reserve(in.size());
+ for (std::size_t i = 0; i < in.size(); ++i)
+ {
+ if (in[i] == '%')
+ {
+ if (i + 3 <= in.size())
+ {
+ int value = 0;
+ std::istringstream is(in.substr(i + 1, 2));
+ if (is >> std::hex >> value)
+ {
+ out += static_cast<char>(value);
+ i += 2;
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else
+ {
+ return false;
+ }
+ }
+ else if (in[i] == '+')
+ {
+ out += ' ';
+ }
+ else
+ {
+ out += in[i];
+ }
+ }
+ return true;
+}
+
+} // namespace server4
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.hpp
new file mode 100644
index 00000000000..a16e5b6905c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/file_handler.hpp
@@ -0,0 +1,44 @@
+//
+// file_handler.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_FILE_HANDLER_HPP
+#define HTTP_SERVER4_FILE_HANDLER_HPP
+
+#include <string>
+
+namespace http {
+namespace server4 {
+
+struct reply;
+struct request;
+
+/// The common handler for all incoming requests.
+class file_handler
+{
+public:
+ /// Construct with a directory containing files to be served.
+ explicit file_handler(const std::string& doc_root);
+
+ /// Handle a request and produce a reply.
+ void operator()(const request& req, reply& rep);
+
+private:
+ /// The directory containing the files to be served.
+ std::string doc_root_;
+
+ /// Perform URL-decoding on a string. Returns false if the encoding was
+ /// invalid.
+ static bool url_decode(const std::string& in, std::string& out);
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_FILE_HANDLER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/header.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/header.hpp
new file mode 100644
index 00000000000..a4148e5d910
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/header.hpp
@@ -0,0 +1,28 @@
+//
+// header.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_HEADER_HPP
+#define HTTP_SERVER4_HEADER_HPP
+
+#include <string>
+
+namespace http {
+namespace server4 {
+
+struct header
+{
+ std::string name;
+ std::string value;
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_HEADER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/main.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/main.cpp
new file mode 100644
index 00000000000..29706e6a335
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/main.cpp
@@ -0,0 +1,60 @@
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <asio.hpp>
+#include <signal.h>
+#include "server.hpp"
+#include "file_handler.hpp"
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ // Check command line arguments.
+ if (argc != 4)
+ {
+ std::cerr << "Usage: http_server <address> <port> <doc_root>\n";
+ std::cerr << " For IPv4, try:\n";
+ std::cerr << " receiver 0.0.0.0 80 .\n";
+ std::cerr << " For IPv6, try:\n";
+ std::cerr << " receiver 0::0 80 .\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ // Launch the initial server coroutine.
+ http::server4::server(io_context, argv[1], argv[2],
+ http::server4::file_handler(argv[3]))();
+
+ // Wait for signals indicating time to shut down.
+ asio::signal_set signals(io_context);
+ signals.add(SIGINT);
+ signals.add(SIGTERM);
+#if defined(SIGQUIT)
+ signals.add(SIGQUIT);
+#endif // defined(SIGQUIT)
+ signals.async_wait(
+ [&io_context](std::error_code, int)
+ {
+ io_context.stop();
+ });
+
+ // Run the server.
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.cpp
new file mode 100644
index 00000000000..6cf11e383d8
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.cpp
@@ -0,0 +1,46 @@
+//
+// mime_types.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "mime_types.hpp"
+
+namespace http {
+namespace server4 {
+namespace mime_types {
+
+struct mapping
+{
+ const char* extension;
+ const char* mime_type;
+} mappings[] =
+{
+ { "gif", "image/gif" },
+ { "htm", "text/html" },
+ { "html", "text/html" },
+ { "jpg", "image/jpeg" },
+ { "png", "image/png" },
+ { 0, 0 } // Marks end of list.
+};
+
+std::string extension_to_type(const std::string& extension)
+{
+ for (mapping* m = mappings; m->extension; ++m)
+ {
+ if (m->extension == extension)
+ {
+ return m->mime_type;
+ }
+ }
+
+ return "text/plain";
+}
+
+} // namespace mime_types
+} // namespace server4
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.hpp
new file mode 100644
index 00000000000..6086fce22eb
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/mime_types.hpp
@@ -0,0 +1,27 @@
+//
+// mime_types.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_MIME_TYPES_HPP
+#define HTTP_SERVER4_MIME_TYPES_HPP
+
+#include <string>
+
+namespace http {
+namespace server4 {
+namespace mime_types {
+
+/// Convert a file extension into a MIME type.
+std::string extension_to_type(const std::string& extension);
+
+} // namespace mime_types
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_MIME_TYPES_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/reply.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/reply.cpp
new file mode 100644
index 00000000000..4e5752ea7d0
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/reply.cpp
@@ -0,0 +1,255 @@
+//
+// reply.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "reply.hpp"
+#include <string>
+
+namespace http {
+namespace server4 {
+
+namespace status_strings {
+
+const std::string ok =
+ "HTTP/1.0 200 OK\r\n";
+const std::string created =
+ "HTTP/1.0 201 Created\r\n";
+const std::string accepted =
+ "HTTP/1.0 202 Accepted\r\n";
+const std::string no_content =
+ "HTTP/1.0 204 No Content\r\n";
+const std::string multiple_choices =
+ "HTTP/1.0 300 Multiple Choices\r\n";
+const std::string moved_permanently =
+ "HTTP/1.0 301 Moved Permanently\r\n";
+const std::string moved_temporarily =
+ "HTTP/1.0 302 Moved Temporarily\r\n";
+const std::string not_modified =
+ "HTTP/1.0 304 Not Modified\r\n";
+const std::string bad_request =
+ "HTTP/1.0 400 Bad Request\r\n";
+const std::string unauthorized =
+ "HTTP/1.0 401 Unauthorized\r\n";
+const std::string forbidden =
+ "HTTP/1.0 403 Forbidden\r\n";
+const std::string not_found =
+ "HTTP/1.0 404 Not Found\r\n";
+const std::string internal_server_error =
+ "HTTP/1.0 500 Internal Server Error\r\n";
+const std::string not_implemented =
+ "HTTP/1.0 501 Not Implemented\r\n";
+const std::string bad_gateway =
+ "HTTP/1.0 502 Bad Gateway\r\n";
+const std::string service_unavailable =
+ "HTTP/1.0 503 Service Unavailable\r\n";
+
+asio::const_buffer to_buffer(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return asio::buffer(ok);
+ case reply::created:
+ return asio::buffer(created);
+ case reply::accepted:
+ return asio::buffer(accepted);
+ case reply::no_content:
+ return asio::buffer(no_content);
+ case reply::multiple_choices:
+ return asio::buffer(multiple_choices);
+ case reply::moved_permanently:
+ return asio::buffer(moved_permanently);
+ case reply::moved_temporarily:
+ return asio::buffer(moved_temporarily);
+ case reply::not_modified:
+ return asio::buffer(not_modified);
+ case reply::bad_request:
+ return asio::buffer(bad_request);
+ case reply::unauthorized:
+ return asio::buffer(unauthorized);
+ case reply::forbidden:
+ return asio::buffer(forbidden);
+ case reply::not_found:
+ return asio::buffer(not_found);
+ case reply::internal_server_error:
+ return asio::buffer(internal_server_error);
+ case reply::not_implemented:
+ return asio::buffer(not_implemented);
+ case reply::bad_gateway:
+ return asio::buffer(bad_gateway);
+ case reply::service_unavailable:
+ return asio::buffer(service_unavailable);
+ default:
+ return asio::buffer(internal_server_error);
+ }
+}
+
+} // namespace status_strings
+
+namespace misc_strings {
+
+const char name_value_separator[] = { ':', ' ' };
+const char crlf[] = { '\r', '\n' };
+
+} // namespace misc_strings
+
+std::vector<asio::const_buffer> reply::to_buffers()
+{
+ std::vector<asio::const_buffer> buffers;
+ buffers.push_back(status_strings::to_buffer(status));
+ for (std::size_t i = 0; i < headers.size(); ++i)
+ {
+ header& h = headers[i];
+ buffers.push_back(asio::buffer(h.name));
+ buffers.push_back(asio::buffer(misc_strings::name_value_separator));
+ buffers.push_back(asio::buffer(h.value));
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ }
+ buffers.push_back(asio::buffer(misc_strings::crlf));
+ buffers.push_back(asio::buffer(content));
+ return buffers;
+}
+
+namespace stock_replies {
+
+const char ok[] = "";
+const char created[] =
+ "<html>"
+ "<head><title>Created</title></head>"
+ "<body><h1>201 Created</h1></body>"
+ "</html>";
+const char accepted[] =
+ "<html>"
+ "<head><title>Accepted</title></head>"
+ "<body><h1>202 Accepted</h1></body>"
+ "</html>";
+const char no_content[] =
+ "<html>"
+ "<head><title>No Content</title></head>"
+ "<body><h1>204 Content</h1></body>"
+ "</html>";
+const char multiple_choices[] =
+ "<html>"
+ "<head><title>Multiple Choices</title></head>"
+ "<body><h1>300 Multiple Choices</h1></body>"
+ "</html>";
+const char moved_permanently[] =
+ "<html>"
+ "<head><title>Moved Permanently</title></head>"
+ "<body><h1>301 Moved Permanently</h1></body>"
+ "</html>";
+const char moved_temporarily[] =
+ "<html>"
+ "<head><title>Moved Temporarily</title></head>"
+ "<body><h1>302 Moved Temporarily</h1></body>"
+ "</html>";
+const char not_modified[] =
+ "<html>"
+ "<head><title>Not Modified</title></head>"
+ "<body><h1>304 Not Modified</h1></body>"
+ "</html>";
+const char bad_request[] =
+ "<html>"
+ "<head><title>Bad Request</title></head>"
+ "<body><h1>400 Bad Request</h1></body>"
+ "</html>";
+const char unauthorized[] =
+ "<html>"
+ "<head><title>Unauthorized</title></head>"
+ "<body><h1>401 Unauthorized</h1></body>"
+ "</html>";
+const char forbidden[] =
+ "<html>"
+ "<head><title>Forbidden</title></head>"
+ "<body><h1>403 Forbidden</h1></body>"
+ "</html>";
+const char not_found[] =
+ "<html>"
+ "<head><title>Not Found</title></head>"
+ "<body><h1>404 Not Found</h1></body>"
+ "</html>";
+const char internal_server_error[] =
+ "<html>"
+ "<head><title>Internal Server Error</title></head>"
+ "<body><h1>500 Internal Server Error</h1></body>"
+ "</html>";
+const char not_implemented[] =
+ "<html>"
+ "<head><title>Not Implemented</title></head>"
+ "<body><h1>501 Not Implemented</h1></body>"
+ "</html>";
+const char bad_gateway[] =
+ "<html>"
+ "<head><title>Bad Gateway</title></head>"
+ "<body><h1>502 Bad Gateway</h1></body>"
+ "</html>";
+const char service_unavailable[] =
+ "<html>"
+ "<head><title>Service Unavailable</title></head>"
+ "<body><h1>503 Service Unavailable</h1></body>"
+ "</html>";
+
+std::string to_string(reply::status_type status)
+{
+ switch (status)
+ {
+ case reply::ok:
+ return ok;
+ case reply::created:
+ return created;
+ case reply::accepted:
+ return accepted;
+ case reply::no_content:
+ return no_content;
+ case reply::multiple_choices:
+ return multiple_choices;
+ case reply::moved_permanently:
+ return moved_permanently;
+ case reply::moved_temporarily:
+ return moved_temporarily;
+ case reply::not_modified:
+ return not_modified;
+ case reply::bad_request:
+ return bad_request;
+ case reply::unauthorized:
+ return unauthorized;
+ case reply::forbidden:
+ return forbidden;
+ case reply::not_found:
+ return not_found;
+ case reply::internal_server_error:
+ return internal_server_error;
+ case reply::not_implemented:
+ return not_implemented;
+ case reply::bad_gateway:
+ return bad_gateway;
+ case reply::service_unavailable:
+ return service_unavailable;
+ default:
+ return internal_server_error;
+ }
+}
+
+} // namespace stock_replies
+
+reply reply::stock_reply(reply::status_type status)
+{
+ reply rep;
+ rep.status = status;
+ rep.content = stock_replies::to_string(status);
+ rep.headers.resize(2);
+ rep.headers[0].name = "Content-Length";
+ rep.headers[0].value = std::to_string(rep.content.size());
+ rep.headers[1].name = "Content-Type";
+ rep.headers[1].value = "text/html";
+ return rep;
+}
+
+} // namespace server4
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/reply.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/reply.hpp
new file mode 100644
index 00000000000..d08579a3339
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/reply.hpp
@@ -0,0 +1,64 @@
+//
+// reply.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_REPLY_HPP
+#define HTTP_SERVER4_REPLY_HPP
+
+#include <string>
+#include <vector>
+#include <asio.hpp>
+#include "header.hpp"
+
+namespace http {
+namespace server4 {
+
+/// A reply to be sent to a client.
+struct reply
+{
+ /// The status of the reply.
+ enum status_type
+ {
+ ok = 200,
+ created = 201,
+ accepted = 202,
+ no_content = 204,
+ multiple_choices = 300,
+ moved_permanently = 301,
+ moved_temporarily = 302,
+ not_modified = 304,
+ bad_request = 400,
+ unauthorized = 401,
+ forbidden = 403,
+ not_found = 404,
+ internal_server_error = 500,
+ not_implemented = 501,
+ bad_gateway = 502,
+ service_unavailable = 503
+ } status;
+
+ /// The headers to be included in the reply.
+ std::vector<header> headers;
+
+ /// The content to be sent in the reply.
+ std::string content;
+
+ /// Convert the reply into a vector of buffers. The buffers do not own the
+ /// underlying memory blocks, therefore the reply object must remain valid and
+ /// not be changed until the write operation has completed.
+ std::vector<asio::const_buffer> to_buffers();
+
+ /// Get a stock reply.
+ static reply stock_reply(status_type status);
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_REPLY_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/request.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/request.hpp
new file mode 100644
index 00000000000..8b20c4db0db
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/request.hpp
@@ -0,0 +1,34 @@
+//
+// request.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_REQUEST_HPP
+#define HTTP_SERVER4_REQUEST_HPP
+
+#include <string>
+#include <vector>
+#include "header.hpp"
+
+namespace http {
+namespace server4 {
+
+/// A request received from a client.
+struct request
+{
+ std::string method;
+ std::string uri;
+ int http_version_major;
+ int http_version_minor;
+ std::vector<header> headers;
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_REQUEST_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.cpp
new file mode 100644
index 00000000000..ec557fccdd6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.cpp
@@ -0,0 +1,315 @@
+//
+// request_parser.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "request_parser.hpp"
+#include "request.hpp"
+
+namespace http {
+namespace server4 {
+
+request_parser::request_parser()
+ : state_(method_start)
+{
+}
+
+void request_parser::reset()
+{
+ state_ = method_start;
+}
+
+request_parser::result_type request_parser::consume(request& req, char input)
+{
+ switch (state_)
+ {
+ case method_start:
+ if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = method;
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case method:
+ if (input == ' ')
+ {
+ state_ = uri;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.method.push_back(input);
+ return indeterminate;
+ }
+ case uri:
+ if (input == ' ')
+ {
+ state_ = http_version_h;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.uri.push_back(input);
+ return indeterminate;
+ }
+ case http_version_h:
+ if (input == 'H')
+ {
+ state_ = http_version_t_1;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_1:
+ if (input == 'T')
+ {
+ state_ = http_version_t_2;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_t_2:
+ if (input == 'T')
+ {
+ state_ = http_version_p;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_p:
+ if (input == 'P')
+ {
+ state_ = http_version_slash;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_slash:
+ if (input == '/')
+ {
+ req.http_version_major = 0;
+ req.http_version_minor = 0;
+ state_ = http_version_major_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major_start:
+ if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ state_ = http_version_major;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_major:
+ if (input == '.')
+ {
+ state_ = http_version_minor_start;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_major = req.http_version_major * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor_start:
+ if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ state_ = http_version_minor;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case http_version_minor:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_1;
+ return indeterminate;
+ }
+ else if (is_digit(input))
+ {
+ req.http_version_minor = req.http_version_minor * 10 + input - '0';
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_1:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_line_start:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_3;
+ return indeterminate;
+ }
+ else if (!req.headers.empty() && (input == ' ' || input == '\t'))
+ {
+ state_ = header_lws;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.push_back(header());
+ req.headers.back().name.push_back(input);
+ state_ = header_name;
+ return indeterminate;
+ }
+ case header_lws:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (input == ' ' || input == '\t')
+ {
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ state_ = header_value;
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case header_name:
+ if (input == ':')
+ {
+ state_ = space_before_header_value;
+ return indeterminate;
+ }
+ else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().name.push_back(input);
+ return indeterminate;
+ }
+ case space_before_header_value:
+ if (input == ' ')
+ {
+ state_ = header_value;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case header_value:
+ if (input == '\r')
+ {
+ state_ = expecting_newline_2;
+ return indeterminate;
+ }
+ else if (is_ctl(input))
+ {
+ return bad;
+ }
+ else
+ {
+ req.headers.back().value.push_back(input);
+ return indeterminate;
+ }
+ case expecting_newline_2:
+ if (input == '\n')
+ {
+ state_ = header_line_start;
+ return indeterminate;
+ }
+ else
+ {
+ return bad;
+ }
+ case expecting_newline_3:
+ return (input == '\n') ? good : bad;
+ default:
+ return bad;
+ }
+}
+
+bool request_parser::is_char(int c)
+{
+ return c >= 0 && c <= 127;
+}
+
+bool request_parser::is_ctl(int c)
+{
+ return (c >= 0 && c <= 31) || (c == 127);
+}
+
+bool request_parser::is_tspecial(int c)
+{
+ switch (c)
+ {
+ case '(': case ')': case '<': case '>': case '@':
+ case ',': case ';': case ':': case '\\': case '"':
+ case '/': case '[': case ']': case '?': case '=':
+ case '{': case '}': case ' ': case '\t':
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool request_parser::is_digit(int c)
+{
+ return c >= '0' && c <= '9';
+}
+
+} // namespace server4
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.hpp
new file mode 100644
index 00000000000..4129c489b51
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/request_parser.hpp
@@ -0,0 +1,96 @@
+//
+// request_parser.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_REQUEST_PARSER_HPP
+#define HTTP_SERVER4_REQUEST_PARSER_HPP
+
+#include <tuple>
+
+namespace http {
+namespace server4 {
+
+struct request;
+
+/// Parser for incoming requests.
+class request_parser
+{
+public:
+ /// Construct ready to parse the request method.
+ request_parser();
+
+ /// Reset to initial parser state.
+ void reset();
+
+ /// Result of parse.
+ enum result_type { good, bad, indeterminate };
+
+ /// Parse some data. The enum return value is good when a complete request has
+ /// been parsed, bad if the data is invalid, indeterminate when more data is
+ /// required. The InputIterator return value indicates how much of the input
+ /// has been consumed.
+ template <typename InputIterator>
+ std::tuple<result_type, InputIterator> parse(request& req,
+ InputIterator begin, InputIterator end)
+ {
+ while (begin != end)
+ {
+ result_type result = consume(req, *begin++);
+ if (result == good || result == bad)
+ return std::make_tuple(result, begin);
+ }
+ return std::make_tuple(indeterminate, begin);
+ }
+
+private:
+ /// Handle the next character of input.
+ result_type consume(request& req, char input);
+
+ /// Check if a byte is an HTTP character.
+ static bool is_char(int c);
+
+ /// Check if a byte is an HTTP control character.
+ static bool is_ctl(int c);
+
+ /// Check if a byte is defined as an HTTP tspecial character.
+ static bool is_tspecial(int c);
+
+ /// Check if a byte is a digit.
+ static bool is_digit(int c);
+
+ /// The current state of the parser.
+ enum state
+ {
+ method_start,
+ method,
+ uri,
+ http_version_h,
+ http_version_t_1,
+ http_version_t_2,
+ http_version_p,
+ http_version_slash,
+ http_version_major_start,
+ http_version_major,
+ http_version_minor_start,
+ http_version_minor,
+ expecting_newline_1,
+ header_line_start,
+ header_lws,
+ header_name,
+ space_before_header_value,
+ header_value,
+ expecting_newline_2,
+ expecting_newline_3
+ } state_;
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_REQUEST_PARSER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/server.cpp b/3rdparty/asio/src/examples/cpp11/http/server4/server.cpp
new file mode 100644
index 00000000000..9c75f75e982
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/server.cpp
@@ -0,0 +1,122 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "server.hpp"
+#include "request.hpp"
+#include "reply.hpp"
+
+namespace http {
+namespace server4 {
+
+server::server(asio::io_context& io_context,
+ const std::string& address, const std::string& port,
+ std::function<void(const request&, reply&)> request_handler)
+ : request_handler_(request_handler)
+{
+ tcp::resolver resolver(io_context);
+ asio::ip::tcp::endpoint endpoint =
+ *resolver.resolve(address, port).begin();
+ acceptor_.reset(new tcp::acceptor(io_context, endpoint));
+}
+
+// Enable the pseudo-keywords reenter, yield and fork.
+#include <asio/yield.hpp>
+
+void server::operator()(std::error_code ec, std::size_t length)
+{
+ // In this example we keep the error handling code in one place by
+ // hoisting it outside the coroutine. An alternative approach would be to
+ // check the value of ec after each yield for an asynchronous operation.
+ if (!ec)
+ {
+ // On reentering a coroutine, control jumps to the location of the last
+ // yield or fork. The argument to the "reenter" pseudo-keyword can be a
+ // pointer or reference to an object of type coroutine.
+ reenter (this)
+ {
+ // Loop to accept incoming connections.
+ do
+ {
+ // Create a new socket for the next incoming connection.
+ socket_.reset(new tcp::socket(acceptor_->get_executor()));
+
+ // Accept a new connection. The "yield" pseudo-keyword saves the current
+ // line number and exits the coroutine's "reenter" block. We use the
+ // server coroutine as the completion handler for the async_accept
+ // operation. When the asynchronous operation completes, the io_context
+ // invokes the function call operator, we "reenter" the coroutine, and
+ // then control resumes at the following line.
+ yield acceptor_->async_accept(*socket_, *this);
+
+ // We "fork" by cloning a new server coroutine to handle the connection.
+ // After forking we have a parent coroutine and a child coroutine. Both
+ // parent and child continue execution at the following line. They can
+ // be distinguished using the functions coroutine::is_parent() and
+ // coroutine::is_child().
+ fork server(*this)();
+
+ // The parent continues looping to accept the next incoming connection.
+ // The child exits the loop and processes the connection.
+ } while (is_parent());
+
+ // Create the objects needed to receive a request on the connection.
+ buffer_.reset(new std::array<char, 8192>);
+ request_.reset(new request);
+
+ // Loop until a complete request (or an invalid one) has been received.
+ do
+ {
+ // Receive some more data. When control resumes at the following line,
+ // the ec and length parameters reflect the result of the asynchronous
+ // operation.
+ yield socket_->async_read_some(asio::buffer(*buffer_), *this);
+
+ // Parse the data we just received.
+ std::tie(parse_result_, std::ignore)
+ = request_parser_.parse(*request_,
+ buffer_->data(), buffer_->data() + length);
+
+ // An indeterminate result means we need more data, so keep looping.
+ } while (parse_result_ == request_parser::indeterminate);
+
+ // Create the reply object that will be sent back to the client.
+ reply_.reset(new reply);
+
+ if (parse_result_ == request_parser::good)
+ {
+ // A valid request was received. Call the user-supplied function object
+ // to process the request and compose a reply.
+ request_handler_(*request_, *reply_);
+ }
+ else
+ {
+ // The request was invalid.
+ *reply_ = reply::stock_reply(reply::bad_request);
+ }
+
+ // Send the reply back to the client.
+ yield asio::async_write(*socket_, reply_->to_buffers(), *this);
+
+ // Initiate graceful connection closure.
+ socket_->shutdown(tcp::socket::shutdown_both, ec);
+ }
+ }
+
+ // If an error occurs then the coroutine is not reentered. Consequently, no
+ // new asynchronous operations are started. This means that all shared_ptr
+ // references will disappear and the resources associated with the coroutine
+ // will be destroyed automatically after this function call returns.
+}
+
+// Disable the pseudo-keywords reenter, yield and fork.
+#include <asio/unyield.hpp>
+
+} // namespace server4
+} // namespace http
diff --git a/3rdparty/asio/src/examples/cpp11/http/server4/server.hpp b/3rdparty/asio/src/examples/cpp11/http/server4/server.hpp
new file mode 100644
index 00000000000..54d67832ba6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/http/server4/server.hpp
@@ -0,0 +1,73 @@
+//
+// server.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef HTTP_SERVER4_SERVER_HPP
+#define HTTP_SERVER4_SERVER_HPP
+
+#include <asio.hpp>
+#include <array>
+#include <functional>
+#include <memory>
+#include <string>
+#include "request_parser.hpp"
+
+namespace http {
+namespace server4 {
+
+struct request;
+struct reply;
+
+/// The top-level coroutine of the HTTP server.
+class server : asio::coroutine
+{
+public:
+ /// Construct the server to listen on the specified TCP address and port, and
+ /// serve up files from the given directory.
+ explicit server(asio::io_context& io_context,
+ const std::string& address, const std::string& port,
+ std::function<void(const request&, reply&)> request_handler);
+
+ /// Perform work associated with the server.
+ void operator()(
+ std::error_code ec = std::error_code(),
+ std::size_t length = 0);
+
+private:
+ typedef asio::ip::tcp tcp;
+
+ /// The user-supplied handler for all incoming requests.
+ std::function<void(const request&, reply&)> request_handler_;
+
+ /// Acceptor used to listen for incoming connections.
+ std::shared_ptr<tcp::acceptor> acceptor_;
+
+ /// The current connection from a client.
+ std::shared_ptr<tcp::socket> socket_;
+
+ /// Buffer for incoming data.
+ std::shared_ptr<std::array<char, 8192>> buffer_;
+
+ /// The incoming request.
+ std::shared_ptr<request> request_;
+
+ /// Whether the request is valid or not.
+ request_parser::result_type parse_result_;
+
+ /// The parser for the incoming request.
+ request_parser request_parser_;
+
+ /// The reply to be sent back to the client.
+ std::shared_ptr<reply> reply_;
+};
+
+} // namespace server4
+} // namespace http
+
+#endif // HTTP_SERVER4_SERVER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/icmp/icmp_header.hpp b/3rdparty/asio/src/examples/cpp11/icmp/icmp_header.hpp
new file mode 100644
index 00000000000..369511c6267
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/icmp/icmp_header.hpp
@@ -0,0 +1,94 @@
+//
+// icmp_header.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ICMP_HEADER_HPP
+#define ICMP_HEADER_HPP
+
+#include <istream>
+#include <ostream>
+#include <algorithm>
+
+// ICMP header for both IPv4 and IPv6.
+//
+// The wire format of an ICMP header is:
+//
+// 0 8 16 31
+// +---------------+---------------+------------------------------+ ---
+// | | | | ^
+// | type | code | checksum | |
+// | | | | |
+// +---------------+---------------+------------------------------+ 8 bytes
+// | | | |
+// | identifier | sequence number | |
+// | | | v
+// +-------------------------------+------------------------------+ ---
+
+class icmp_header
+{
+public:
+ enum { echo_reply = 0, destination_unreachable = 3, source_quench = 4,
+ redirect = 5, echo_request = 8, time_exceeded = 11, parameter_problem = 12,
+ timestamp_request = 13, timestamp_reply = 14, info_request = 15,
+ info_reply = 16, address_request = 17, address_reply = 18 };
+
+ icmp_header() { std::fill(rep_, rep_ + sizeof(rep_), 0); }
+
+ unsigned char type() const { return rep_[0]; }
+ unsigned char code() const { return rep_[1]; }
+ unsigned short checksum() const { return decode(2, 3); }
+ unsigned short identifier() const { return decode(4, 5); }
+ unsigned short sequence_number() const { return decode(6, 7); }
+
+ void type(unsigned char n) { rep_[0] = n; }
+ void code(unsigned char n) { rep_[1] = n; }
+ void checksum(unsigned short n) { encode(2, 3, n); }
+ void identifier(unsigned short n) { encode(4, 5, n); }
+ void sequence_number(unsigned short n) { encode(6, 7, n); }
+
+ friend std::istream& operator>>(std::istream& is, icmp_header& header)
+ { return is.read(reinterpret_cast<char*>(header.rep_), 8); }
+
+ friend std::ostream& operator<<(std::ostream& os, const icmp_header& header)
+ { return os.write(reinterpret_cast<const char*>(header.rep_), 8); }
+
+private:
+ unsigned short decode(int a, int b) const
+ { return (rep_[a] << 8) + rep_[b]; }
+
+ void encode(int a, int b, unsigned short n)
+ {
+ rep_[a] = static_cast<unsigned char>(n >> 8);
+ rep_[b] = static_cast<unsigned char>(n & 0xFF);
+ }
+
+ unsigned char rep_[8];
+};
+
+template <typename Iterator>
+void compute_checksum(icmp_header& header,
+ Iterator body_begin, Iterator body_end)
+{
+ unsigned int sum = (header.type() << 8) + header.code()
+ + header.identifier() + header.sequence_number();
+
+ Iterator body_iter = body_begin;
+ while (body_iter != body_end)
+ {
+ sum += (static_cast<unsigned char>(*body_iter++) << 8);
+ if (body_iter != body_end)
+ sum += static_cast<unsigned char>(*body_iter++);
+ }
+
+ sum = (sum >> 16) + (sum & 0xFFFF);
+ sum += (sum >> 16);
+ header.checksum(static_cast<unsigned short>(~sum));
+}
+
+#endif // ICMP_HEADER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/icmp/ipv4_header.hpp b/3rdparty/asio/src/examples/cpp11/icmp/ipv4_header.hpp
new file mode 100644
index 00000000000..d296571938f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/icmp/ipv4_header.hpp
@@ -0,0 +1,102 @@
+//
+// ipv4_header.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef IPV4_HEADER_HPP
+#define IPV4_HEADER_HPP
+
+#include <algorithm>
+#include <asio/ip/address_v4.hpp>
+
+// Packet header for IPv4.
+//
+// The wire format of an IPv4 header is:
+//
+// 0 8 16 31
+// +-------+-------+---------------+------------------------------+ ---
+// | | | | | ^
+// |version|header | type of | total length in bytes | |
+// | (4) | length| service | | |
+// +-------+-------+---------------+-+-+-+------------------------+ |
+// | | | | | | |
+// | identification |0|D|M| fragment offset | |
+// | | |F|F| | |
+// +---------------+---------------+-+-+-+------------------------+ |
+// | | | | |
+// | time to live | protocol | header checksum | 20 bytes
+// | | | | |
+// +---------------+---------------+------------------------------+ |
+// | | |
+// | source IPv4 address | |
+// | | |
+// +--------------------------------------------------------------+ |
+// | | |
+// | destination IPv4 address | |
+// | | v
+// +--------------------------------------------------------------+ ---
+// | | ^
+// | | |
+// / options (if any) / 0 - 40
+// / / bytes
+// | | |
+// | | v
+// +--------------------------------------------------------------+ ---
+
+class ipv4_header
+{
+public:
+ ipv4_header() { std::fill(rep_, rep_ + sizeof(rep_), 0); }
+
+ unsigned char version() const { return (rep_[0] >> 4) & 0xF; }
+ unsigned short header_length() const { return (rep_[0] & 0xF) * 4; }
+ unsigned char type_of_service() const { return rep_[1]; }
+ unsigned short total_length() const { return decode(2, 3); }
+ unsigned short identification() const { return decode(4, 5); }
+ bool dont_fragment() const { return (rep_[6] & 0x40) != 0; }
+ bool more_fragments() const { return (rep_[6] & 0x20) != 0; }
+ unsigned short fragment_offset() const { return decode(6, 7) & 0x1FFF; }
+ unsigned int time_to_live() const { return rep_[8]; }
+ unsigned char protocol() const { return rep_[9]; }
+ unsigned short header_checksum() const { return decode(10, 11); }
+
+ asio::ip::address_v4 source_address() const
+ {
+ asio::ip::address_v4::bytes_type bytes
+ = { { rep_[12], rep_[13], rep_[14], rep_[15] } };
+ return asio::ip::address_v4(bytes);
+ }
+
+ asio::ip::address_v4 destination_address() const
+ {
+ asio::ip::address_v4::bytes_type bytes
+ = { { rep_[16], rep_[17], rep_[18], rep_[19] } };
+ return asio::ip::address_v4(bytes);
+ }
+
+ friend std::istream& operator>>(std::istream& is, ipv4_header& header)
+ {
+ is.read(reinterpret_cast<char*>(header.rep_), 20);
+ if (header.version() != 4)
+ is.setstate(std::ios::failbit);
+ std::streamsize options_length = header.header_length() - 20;
+ if (options_length < 0 || options_length > 40)
+ is.setstate(std::ios::failbit);
+ else
+ is.read(reinterpret_cast<char*>(header.rep_) + 20, options_length);
+ return is;
+ }
+
+private:
+ unsigned short decode(int a, int b) const
+ { return (rep_[a] << 8) + rep_[b]; }
+
+ unsigned char rep_[60];
+};
+
+#endif // IPV4_HEADER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/icmp/ping.cpp b/3rdparty/asio/src/examples/cpp11/icmp/ping.cpp
new file mode 100644
index 00000000000..f179ea3461b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/icmp/ping.cpp
@@ -0,0 +1,162 @@
+//
+// ping.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <istream>
+#include <iostream>
+#include <ostream>
+
+#include "icmp_header.hpp"
+#include "ipv4_header.hpp"
+
+using asio::ip::icmp;
+using asio::steady_timer;
+namespace chrono = asio::chrono;
+
+class pinger
+{
+public:
+ pinger(asio::io_context& io_context, const char* destination)
+ : resolver_(io_context), socket_(io_context, icmp::v4()),
+ timer_(io_context), sequence_number_(0), num_replies_(0)
+ {
+ destination_ = *resolver_.resolve(icmp::v4(), destination, "").begin();
+
+ start_send();
+ start_receive();
+ }
+
+private:
+ void start_send()
+ {
+ std::string body("\"Hello!\" from Asio ping.");
+
+ // Create an ICMP header for an echo request.
+ icmp_header echo_request;
+ echo_request.type(icmp_header::echo_request);
+ echo_request.code(0);
+ echo_request.identifier(get_identifier());
+ echo_request.sequence_number(++sequence_number_);
+ compute_checksum(echo_request, body.begin(), body.end());
+
+ // Encode the request packet.
+ asio::streambuf request_buffer;
+ std::ostream os(&request_buffer);
+ os << echo_request << body;
+
+ // Send the request.
+ time_sent_ = steady_timer::clock_type::now();
+ socket_.send_to(request_buffer.data(), destination_);
+
+ // Wait up to five seconds for a reply.
+ num_replies_ = 0;
+ timer_.expires_at(time_sent_ + chrono::seconds(5));
+ timer_.async_wait(std::bind(&pinger::handle_timeout, this));
+ }
+
+ void handle_timeout()
+ {
+ if (num_replies_ == 0)
+ std::cout << "Request timed out" << std::endl;
+
+ // Requests must be sent no less than one second apart.
+ timer_.expires_at(time_sent_ + chrono::seconds(1));
+ timer_.async_wait(std::bind(&pinger::start_send, this));
+ }
+
+ void start_receive()
+ {
+ // Discard any data already in the buffer.
+ reply_buffer_.consume(reply_buffer_.size());
+
+ // Wait for a reply. We prepare the buffer to receive up to 64KB.
+ socket_.async_receive(reply_buffer_.prepare(65536),
+ std::bind(&pinger::handle_receive, this, std::placeholders::_2));
+ }
+
+ void handle_receive(std::size_t length)
+ {
+ // The actual number of bytes received is committed to the buffer so that we
+ // can extract it using a std::istream object.
+ reply_buffer_.commit(length);
+
+ // Decode the reply packet.
+ std::istream is(&reply_buffer_);
+ ipv4_header ipv4_hdr;
+ icmp_header icmp_hdr;
+ is >> ipv4_hdr >> icmp_hdr;
+
+ // We can receive all ICMP packets received by the host, so we need to
+ // filter out only the echo replies that match the our identifier and
+ // expected sequence number.
+ if (is && icmp_hdr.type() == icmp_header::echo_reply
+ && icmp_hdr.identifier() == get_identifier()
+ && icmp_hdr.sequence_number() == sequence_number_)
+ {
+ // If this is the first reply, interrupt the five second timeout.
+ if (num_replies_++ == 0)
+ timer_.cancel();
+
+ // Print out some information about the reply packet.
+ chrono::steady_clock::time_point now = chrono::steady_clock::now();
+ chrono::steady_clock::duration elapsed = now - time_sent_;
+ std::cout << length - ipv4_hdr.header_length()
+ << " bytes from " << ipv4_hdr.source_address()
+ << ": icmp_seq=" << icmp_hdr.sequence_number()
+ << ", ttl=" << ipv4_hdr.time_to_live()
+ << ", time="
+ << chrono::duration_cast<chrono::milliseconds>(elapsed).count()
+ << std::endl;
+ }
+
+ start_receive();
+ }
+
+ static unsigned short get_identifier()
+ {
+#if defined(ASIO_WINDOWS)
+ return static_cast<unsigned short>(::GetCurrentProcessId());
+#else
+ return static_cast<unsigned short>(::getpid());
+#endif
+ }
+
+ icmp::resolver resolver_;
+ icmp::endpoint destination_;
+ icmp::socket socket_;
+ steady_timer timer_;
+ unsigned short sequence_number_;
+ chrono::steady_clock::time_point time_sent_;
+ asio::streambuf reply_buffer_;
+ std::size_t num_replies_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: ping <host>" << std::endl;
+#if !defined(ASIO_WINDOWS)
+ std::cerr << "(You may need to run this program as root.)" << std::endl;
+#endif
+ return 1;
+ }
+
+ asio::io_context io_context;
+ pinger p(io_context, argv[1]);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << std::endl;
+ }
+}
diff --git a/3rdparty/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp b/3rdparty/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp
new file mode 100644
index 00000000000..533bfd06861
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/invocation/prioritised_handlers.cpp
@@ -0,0 +1,202 @@
+//
+// prioritised_handlers.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio.hpp"
+#include <iostream>
+#include <memory>
+#include <queue>
+
+using asio::ip::tcp;
+
+class handler_priority_queue : public asio::execution_context
+{
+public:
+ template <typename Function>
+ void add(int priority, Function function)
+ {
+ std::unique_ptr<queued_handler_base> handler(
+ new queued_handler<Function>(
+ priority, std::move(function)));
+
+ handlers_.push(std::move(handler));
+ }
+
+ void execute_all()
+ {
+ while (!handlers_.empty())
+ {
+ handlers_.top()->execute();
+ handlers_.pop();
+ }
+ }
+
+ class executor
+ {
+ public:
+ executor(handler_priority_queue& q, int p)
+ : context_(q), priority_(p)
+ {
+ }
+
+ handler_priority_queue& context() const noexcept
+ {
+ return context_;
+ }
+
+ template <typename Function, typename Allocator>
+ void dispatch(Function f, const Allocator&) const
+ {
+ context_.add(priority_, std::move(f));
+ }
+
+ template <typename Function, typename Allocator>
+ void post(Function f, const Allocator&) const
+ {
+ context_.add(priority_, std::move(f));
+ }
+
+ template <typename Function, typename Allocator>
+ void defer(Function f, const Allocator&) const
+ {
+ context_.add(priority_, std::move(f));
+ }
+
+ void on_work_started() const noexcept {}
+ void on_work_finished() const noexcept {}
+
+ bool operator==(const executor& other) const noexcept
+ {
+ return &context_ == &other.context_ && priority_ == other.priority_;
+ }
+
+ bool operator!=(const executor& other) const noexcept
+ {
+ return !operator==(other);
+ }
+
+ private:
+ handler_priority_queue& context_;
+ int priority_;
+ };
+
+ template <typename Handler>
+ asio::executor_binder<Handler, executor>
+ wrap(int priority, Handler handler)
+ {
+ return asio::bind_executor(
+ executor(*this, priority), std::move(handler));
+ }
+
+private:
+ class queued_handler_base
+ {
+ public:
+ queued_handler_base(int p)
+ : priority_(p)
+ {
+ }
+
+ virtual ~queued_handler_base()
+ {
+ }
+
+ virtual void execute() = 0;
+
+ friend bool operator<(const std::unique_ptr<queued_handler_base>& a,
+ const std::unique_ptr<queued_handler_base>& b) noexcept
+ {
+ return a->priority_ < b->priority_;
+ }
+
+ private:
+ int priority_;
+ };
+
+ template <typename Function>
+ class queued_handler : public queued_handler_base
+ {
+ public:
+ queued_handler(int p, Function f)
+ : queued_handler_base(p), function_(std::move(f))
+ {
+ }
+
+ void execute() override
+ {
+ function_();
+ }
+
+ private:
+ Function function_;
+ };
+
+ std::priority_queue<std::unique_ptr<queued_handler_base>> handlers_;
+};
+
+//----------------------------------------------------------------------
+
+void high_priority_handler(const std::error_code& /*ec*/,
+ tcp::socket /*socket*/)
+{
+ std::cout << "High priority handler\n";
+}
+
+void middle_priority_handler(const std::error_code& /*ec*/)
+{
+ std::cout << "Middle priority handler\n";
+}
+
+struct low_priority_handler
+{
+ // Make the handler a move-only type.
+ low_priority_handler() = default;
+ low_priority_handler(const low_priority_handler&) = delete;
+ low_priority_handler(low_priority_handler&&) = default;
+
+ void operator()()
+ {
+ std::cout << "Low priority handler\n";
+ }
+};
+
+int main()
+{
+ asio::io_context io_context;
+
+ handler_priority_queue pri_queue;
+
+ // Post a completion handler to be run immediately.
+ asio::post(io_context, pri_queue.wrap(0, low_priority_handler()));
+
+ // Start an asynchronous accept that will complete immediately.
+ tcp::endpoint endpoint(asio::ip::address_v4::loopback(), 0);
+ tcp::acceptor acceptor(io_context, endpoint);
+ tcp::socket server_socket(io_context);
+ acceptor.async_accept(pri_queue.wrap(100, high_priority_handler));
+ tcp::socket client_socket(io_context);
+ client_socket.connect(acceptor.local_endpoint());
+
+ // Set a deadline timer to expire immediately.
+ asio::steady_timer timer(io_context);
+ timer.expires_at(asio::steady_timer::clock_type::time_point::min());
+ timer.async_wait(pri_queue.wrap(42, middle_priority_handler));
+
+ while (io_context.run_one())
+ {
+ // The custom invocation hook adds the handlers to the priority queue
+ // rather than executing them from within the poll_one() call.
+ while (io_context.poll_one())
+ ;
+
+ pri_queue.execute_all();
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/iostreams/.gitignore b/3rdparty/asio/src/examples/cpp11/iostreams/.gitignore
deleted file mode 100644
index bc2b4f8f7fe..00000000000
--- a/3rdparty/asio/src/examples/cpp11/iostreams/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-.deps
-.dirstamp
-*.o
-*.obj
-*.exe
-*_client
-*_server
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/iostreams/daytime_client.cpp b/3rdparty/asio/src/examples/cpp11/iostreams/daytime_client.cpp
new file mode 100644
index 00000000000..0c8df192534
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/iostreams/daytime_client.cpp
@@ -0,0 +1,44 @@
+//
+// daytime_client.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: daytime_client <host>" << std::endl;
+ return 1;
+ }
+
+ tcp::iostream s(argv[1], "daytime");
+ if (!s)
+ {
+ std::cout << "Unable to connect: " << s.error().message() << std::endl;
+ return 1;
+ }
+
+ std::string line;
+ std::getline(s, line);
+ std::cout << line << std::endl;
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/iostreams/daytime_server.cpp b/3rdparty/asio/src/examples/cpp11/iostreams/daytime_server.cpp
new file mode 100644
index 00000000000..1e644085ef1
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/iostreams/daytime_server.cpp
@@ -0,0 +1,51 @@
+//
+// daytime_server.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <ctime>
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ tcp::endpoint endpoint(tcp::v4(), 13);
+ tcp::acceptor acceptor(io_context, endpoint);
+
+ for (;;)
+ {
+ tcp::iostream stream;
+ std::error_code ec;
+ acceptor.accept(stream.socket(), ec);
+ if (!ec)
+ {
+ stream << make_daytime_string();
+ }
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/iostreams/http_client.cpp b/3rdparty/asio/src/examples/cpp11/iostreams/http_client.cpp
index 7972a67ecf9..313f177bce4 100644
--- a/3rdparty/asio/src/examples/cpp11/iostreams/http_client.cpp
+++ b/3rdparty/asio/src/examples/cpp11/iostreams/http_client.cpp
@@ -2,7 +2,7 @@
// http_client.cpp
// ~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp b/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp
new file mode 100644
index 00000000000..50d0a06712c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/connect_pair.cpp
@@ -0,0 +1,129 @@
+//
+// connect_pair.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <string>
+#include <cctype>
+#include <asio.hpp>
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+class uppercase_filter
+{
+public:
+ uppercase_filter(stream_protocol::socket sock)
+ : socket_(std::move(sock))
+ {
+ read();
+ }
+
+private:
+ void read()
+ {
+ socket_.async_read_some(asio::buffer(data_),
+ [this](std::error_code ec, std::size_t size)
+ {
+ if (!ec)
+ {
+ // Compute result.
+ for (std::size_t i = 0; i < size; ++i)
+ data_[i] = std::toupper(data_[i]);
+
+ // Send result.
+ write(size);
+ }
+ else
+ {
+ throw std::system_error(ec);
+ }
+ });
+ }
+
+ void write(std::size_t size)
+ {
+ asio::async_write(socket_, asio::buffer(data_, size),
+ [this](std::error_code ec, std::size_t /*size*/)
+ {
+ if (!ec)
+ {
+ // Wait for request.
+ read();
+ }
+ else
+ {
+ throw std::system_error(ec);
+ }
+ });
+ }
+
+ stream_protocol::socket socket_;
+ std::array<char, 512> data_;
+};
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ // Create a connected pair and pass one end to a filter.
+ stream_protocol::socket socket(io_context);
+ stream_protocol::socket filter_socket(io_context);
+ asio::local::connect_pair(socket, filter_socket);
+ uppercase_filter filter(std::move(filter_socket));
+
+ // The io_context runs in a background thread to perform filtering.
+ asio::thread thread(
+ [&io_context]()
+ {
+ try
+ {
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception in thread: " << e.what() << "\n";
+ std::exit(1);
+ }
+ });
+
+ for (;;)
+ {
+ // Collect request from user.
+ std::cout << "Enter a string: ";
+ std::string request;
+ std::getline(std::cin, request);
+
+ // Send request to filter.
+ asio::write(socket, asio::buffer(request));
+
+ // Wait for reply from filter.
+ std::vector<char> reply(request.size());
+ asio::read(socket, asio::buffer(reply));
+
+ // Show reply to user.
+ std::cout << "Result: ";
+ std::cout.write(&reply[0], request.size());
+ std::cout << std::endl;
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ std::exit(1);
+ }
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_client.cpp b/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_client.cpp
new file mode 100644
index 00000000000..229509f1c14
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_client.cpp
@@ -0,0 +1,102 @@
+//
+// fd_passing_stream_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2021 Heiko Hund (heiko at openvpn dot net)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Demonstrates how to pass file descriptors between processes with Asio.
+// The client send a file name (destfile) to the server. The server opens
+// the file and the associated file descriptor back to the client.
+
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+using asio::local::stream_protocol;
+
+constexpr std::size_t max_length = 1024;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: fd_passing_stream_client <serversocket>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ stream_protocol::socket s(io_context);
+ s.connect(stream_protocol::endpoint(argv[1]));
+
+ std::cout << "Enter path to write to: ";
+ char request[max_length];
+ std::cin.getline(request, max_length);
+ size_t request_length = std::strlen(request);
+ asio::write(s, asio::buffer(request, request_length));
+
+ char reply[max_length];
+ struct msghdr msg = {};
+ struct iovec iov = { reply, sizeof(reply) };
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ union
+ {
+ struct cmsghdr align;
+ char buf[CMSG_SPACE(sizeof(int))];
+ } cmsgu;
+ msg.msg_control = cmsgu.buf;
+ msg.msg_controllen = sizeof(cmsgu.buf);
+
+ ::recvmsg(s.native_handle(), &msg, 0);
+
+ int fd = -1;
+ struct cmsghdr* cmsg = CMSG_FIRSTHDR(&msg);
+ while (cmsg != NULL)
+ {
+ if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS)
+ {
+ std::memcpy(&fd, CMSG_DATA(cmsg), sizeof(fd));
+ break;
+ }
+ cmsg = CMSG_NXTHDR(&msg, cmsg);
+ }
+
+ if (fd != -1)
+ {
+ std::cout << "File descriptor received is: " << fd << "\n";
+ FILE* f(::fdopen(fd, "w+"));
+ if (f)
+ {
+ ::fprintf(f, "stream_client writing to received fd #%d\n", fd);
+ ::fclose(f);
+ }
+ else
+ ::close(fd);
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_server.cpp b/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_server.cpp
new file mode 100644
index 00000000000..5082185e75c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/fd_passing_stream_server.cpp
@@ -0,0 +1,160 @@
+//
+// fd_passing_stream_server.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2021 Heiko Hund (heiko at openvpn dot net)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// Demonstrates how to pass file descriptors between processes with Asio.
+// The client sends a file name to the server. The server opens the file and
+// passes the associated file descriptor back to the client.
+
+#include <array>
+#include <cstdio>
+#include <cassert>
+#include <iostream>
+#include <memory>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+class session
+ : public std::enable_shared_from_this<session>
+{
+public:
+ session(stream_protocol::socket sock)
+ : socket_(std::move(sock))
+ {
+ }
+
+ void start()
+ {
+ do_read();
+ }
+
+private:
+ void do_read()
+ {
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(data_),
+ [this, self](std::error_code ec, std::size_t length)
+ {
+ if (ec)
+ return;
+
+ assert(length < data_.size());
+ data_[length] = 0;
+ do_write(data_.data());
+ });
+ }
+
+ void do_write(const char* filename)
+ {
+ auto self(shared_from_this());
+ socket_.async_wait(stream_protocol::socket::wait_write,
+ [this, self, filename](std::error_code ec)
+ {
+ if (ec)
+ return;
+
+ FILE* f(::fopen(filename, "w+"));
+ if (!f)
+ return;
+
+ struct msghdr msg = {};
+ char buf[] = { 0 };
+ struct iovec iov = { buf, sizeof(buf) };
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+
+ union
+ {
+ struct cmsghdr align;
+ char buf[CMSG_SPACE(sizeof(int))];
+ } cmsgu;
+ msg.msg_control = cmsgu.buf;
+ msg.msg_controllen = sizeof(cmsgu.buf);
+
+ struct cmsghdr* cmsg = CMSG_FIRSTHDR(&msg);
+ cmsg->cmsg_len = CMSG_LEN(sizeof(int));
+ cmsg->cmsg_level = SOL_SOCKET;
+ cmsg->cmsg_type = SCM_RIGHTS;
+ int fd = ::fileno(f);
+ std::memcpy(CMSG_DATA(cmsg), &fd, sizeof(int));
+
+ ssize_t s(::sendmsg(socket_.native_handle(), &msg, 0));
+ ::fclose(f);
+ if (s != -1)
+ do_read();
+ });
+ }
+
+ // The socket used to communicate with the client.
+ stream_protocol::socket socket_;
+
+ // Buffer used to store data received from the client.
+ std::array<char, 1024> data_;
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context, const std::string& file)
+ : acceptor_(io_context, stream_protocol::endpoint(file))
+ {
+ do_accept();
+ }
+
+private:
+ void do_accept()
+ {
+ acceptor_.async_accept(
+ [this](std::error_code ec, stream_protocol::socket socket)
+ {
+ if (!ec)
+ {
+ std::make_shared<session>(std::move(socket))->start();
+ }
+
+ do_accept();
+ });
+ }
+
+ stream_protocol::acceptor acceptor_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: fd_passing_stream_server <socketfile>\n";
+ std::cerr << "*** WARNING: existing file is removed ***\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ std::remove(argv[1]);
+ server s(io_context, argv[1]);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/local/iostream_client.cpp b/3rdparty/asio/src/examples/cpp11/local/iostream_client.cpp
new file mode 100644
index 00000000000..932f29d3459
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/iostream_client.cpp
@@ -0,0 +1,61 @@
+//
+// stream_client.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstring>
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+constexpr std::size_t max_length = 1024;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: iostream_client <file>\n";
+ return 1;
+ }
+
+ stream_protocol::endpoint ep(argv[1]);
+ stream_protocol::iostream s(ep);
+ if (!s)
+ {
+ std::cerr << "Unable to connect: " << s.error().message() << std::endl;
+ return 1;
+ }
+
+ std::cout << "Enter message: ";
+ char request[max_length];
+ std::cin.getline(request, max_length);
+ size_t length = std::strlen(request);
+ s << request;
+
+ char reply[max_length];
+ s.read(reply, length);
+ std::cout << "Reply is: ";
+ std::cout.write(reply, length);
+ std::cout << "\n";
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/local/stream_client.cpp b/3rdparty/asio/src/examples/cpp11/local/stream_client.cpp
new file mode 100644
index 00000000000..32f408933ca
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/stream_client.cpp
@@ -0,0 +1,60 @@
+//
+// stream_client.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+constexpr std::size_t max_length = 1024;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: stream_client <file>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ stream_protocol::socket s(io_context);
+ s.connect(stream_protocol::endpoint(argv[1]));
+
+ std::cout << "Enter message: ";
+ char request[max_length];
+ std::cin.getline(request, max_length);
+ size_t request_length = std::strlen(request);
+ asio::write(s, asio::buffer(request, request_length));
+
+ char reply[max_length];
+ size_t reply_length = asio::read(s,
+ asio::buffer(reply, request_length));
+ std::cout << "Reply is: ";
+ std::cout.write(reply, reply_length);
+ std::cout << "\n";
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/local/stream_server.cpp b/3rdparty/asio/src/examples/cpp11/local/stream_server.cpp
new file mode 100644
index 00000000000..85cd58f87d6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/local/stream_server.cpp
@@ -0,0 +1,121 @@
+//
+// stream_server.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+class session
+ : public std::enable_shared_from_this<session>
+{
+public:
+ session(stream_protocol::socket sock)
+ : socket_(std::move(sock))
+ {
+ }
+
+ void start()
+ {
+ do_read();
+ }
+
+private:
+ void do_read()
+ {
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(data_),
+ [this, self](std::error_code ec, std::size_t length)
+ {
+ if (!ec)
+ do_write(length);
+ });
+ }
+
+ void do_write(std::size_t length)
+ {
+ auto self(shared_from_this());
+ asio::async_write(socket_,
+ asio::buffer(data_, length),
+ [this, self](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ do_read();
+ });
+ }
+
+ // The socket used to communicate with the client.
+ stream_protocol::socket socket_;
+
+ // Buffer used to store data received from the client.
+ std::array<char, 1024> data_;
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context, const std::string& file)
+ : acceptor_(io_context, stream_protocol::endpoint(file))
+ {
+ do_accept();
+ }
+
+private:
+ void do_accept()
+ {
+ acceptor_.async_accept(
+ [this](std::error_code ec, stream_protocol::socket socket)
+ {
+ if (!ec)
+ {
+ std::make_shared<session>(std::move(socket))->start();
+ }
+
+ do_accept();
+ });
+ }
+
+ stream_protocol::acceptor acceptor_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: stream_server <file>\n";
+ std::cerr << "*** WARNING: existing file is removed ***\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ std::remove(argv[1]);
+ server s(io_context, argv[1]);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_LOCAL_SOCKETS)
+# error Local sockets not available on this platform.
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
diff --git a/3rdparty/asio/src/examples/cpp11/multicast/receiver.cpp b/3rdparty/asio/src/examples/cpp11/multicast/receiver.cpp
new file mode 100644
index 00000000000..5973bede5bb
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/multicast/receiver.cpp
@@ -0,0 +1,88 @@
+//
+// receiver.cpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <string>
+#include "asio.hpp"
+
+constexpr short multicast_port = 30001;
+
+class receiver
+{
+public:
+ receiver(asio::io_context& io_context,
+ const asio::ip::address& listen_address,
+ const asio::ip::address& multicast_address)
+ : socket_(io_context)
+ {
+ // Create the socket so that multiple may be bound to the same address.
+ asio::ip::udp::endpoint listen_endpoint(
+ listen_address, multicast_port);
+ socket_.open(listen_endpoint.protocol());
+ socket_.set_option(asio::ip::udp::socket::reuse_address(true));
+ socket_.bind(listen_endpoint);
+
+ // Join the multicast group.
+ socket_.set_option(
+ asio::ip::multicast::join_group(multicast_address));
+
+ do_receive();
+ }
+
+private:
+ void do_receive()
+ {
+ socket_.async_receive_from(
+ asio::buffer(data_), sender_endpoint_,
+ [this](std::error_code ec, std::size_t length)
+ {
+ if (!ec)
+ {
+ std::cout.write(data_.data(), length);
+ std::cout << std::endl;
+
+ do_receive();
+ }
+ });
+ }
+
+ asio::ip::udp::socket socket_;
+ asio::ip::udp::endpoint sender_endpoint_;
+ std::array<char, 1024> data_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: receiver <listen_address> <multicast_address>\n";
+ std::cerr << " For IPv4, try:\n";
+ std::cerr << " receiver 0.0.0.0 239.255.0.1\n";
+ std::cerr << " For IPv6, try:\n";
+ std::cerr << " receiver 0::0 ff31::8000:1234\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+ receiver r(io_context,
+ asio::ip::make_address(argv[1]),
+ asio::ip::make_address(argv[2]));
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/multicast/sender.cpp b/3rdparty/asio/src/examples/cpp11/multicast/sender.cpp
new file mode 100644
index 00000000000..dc3cf7fd0e7
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/multicast/sender.cpp
@@ -0,0 +1,91 @@
+//
+// sender.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <sstream>
+#include <string>
+#include "asio.hpp"
+
+constexpr short multicast_port = 30001;
+constexpr int max_message_count = 10;
+
+class sender
+{
+public:
+ sender(asio::io_context& io_context,
+ const asio::ip::address& multicast_address)
+ : endpoint_(multicast_address, multicast_port),
+ socket_(io_context, endpoint_.protocol()),
+ timer_(io_context),
+ message_count_(0)
+ {
+ do_send();
+ }
+
+private:
+ void do_send()
+ {
+ std::ostringstream os;
+ os << "Message " << message_count_++;
+ message_ = os.str();
+
+ socket_.async_send_to(
+ asio::buffer(message_), endpoint_,
+ [this](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec && message_count_ < max_message_count)
+ do_timeout();
+ });
+ }
+
+ void do_timeout()
+ {
+ timer_.expires_after(std::chrono::seconds(1));
+ timer_.async_wait(
+ [this](std::error_code ec)
+ {
+ if (!ec)
+ do_send();
+ });
+ }
+
+private:
+ asio::ip::udp::endpoint endpoint_;
+ asio::ip::udp::socket socket_;
+ asio::steady_timer timer_;
+ int message_count_;
+ std::string message_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: sender <multicast_address>\n";
+ std::cerr << " For IPv4, try:\n";
+ std::cerr << " sender 239.255.0.1\n";
+ std::cerr << " For IPv6, try:\n";
+ std::cerr << " sender ff31::8000:1234\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+ sender s(io_context, asio::ip::make_address(argv[1]));
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp b/3rdparty/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp
new file mode 100644
index 00000000000..7239a598532
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/nonblocking/third_party_lib.cpp
@@ -0,0 +1,212 @@
+//
+// third_party_lib.cpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <array>
+#include <iostream>
+#include <memory>
+
+using asio::ip::tcp;
+
+namespace third_party_lib {
+
+// Simulation of a third party library that wants to perform read and write
+// operations directly on a socket. It needs to be polled to determine whether
+// it requires a read or write operation, and notified when the socket is ready
+// for reading or writing.
+class session
+{
+public:
+ session(tcp::socket& socket)
+ : socket_(socket)
+ {
+ }
+
+ // Returns true if the third party library wants to be notified when the
+ // socket is ready for reading.
+ bool want_read() const
+ {
+ return state_ == reading;
+ }
+
+ // Notify that third party library that it should perform its read operation.
+ void do_read(std::error_code& ec)
+ {
+ if (std::size_t len = socket_.read_some(asio::buffer(data_), ec))
+ {
+ write_buffer_ = asio::buffer(data_, len);
+ state_ = writing;
+ }
+ }
+
+ // Returns true if the third party library wants to be notified when the
+ // socket is ready for writing.
+ bool want_write() const
+ {
+ return state_ == writing;
+ }
+
+ // Notify that third party library that it should perform its write operation.
+ void do_write(std::error_code& ec)
+ {
+ if (std::size_t len = socket_.write_some(
+ asio::buffer(write_buffer_), ec))
+ {
+ write_buffer_ = write_buffer_ + len;
+ state_ = asio::buffer_size(write_buffer_) > 0 ? writing : reading;
+ }
+ }
+
+private:
+ tcp::socket& socket_;
+ enum { reading, writing } state_ = reading;
+ std::array<char, 128> data_;
+ asio::const_buffer write_buffer_;
+};
+
+} // namespace third_party_lib
+
+// The glue between asio's sockets and the third party library.
+class connection
+ : public std::enable_shared_from_this<connection>
+{
+public:
+ connection(tcp::socket socket)
+ : socket_(std::move(socket))
+ {
+ }
+
+ void start()
+ {
+ // Put the socket into non-blocking mode.
+ socket_.non_blocking(true);
+
+ do_operations();
+ }
+
+private:
+ void do_operations()
+ {
+ auto self(shared_from_this());
+
+ // Start a read operation if the third party library wants one.
+ if (session_impl_.want_read() && !read_in_progress_)
+ {
+ read_in_progress_ = true;
+ socket_.async_wait(tcp::socket::wait_read,
+ [this, self](std::error_code ec)
+ {
+ read_in_progress_ = false;
+
+ // Notify third party library that it can perform a read.
+ if (!ec)
+ session_impl_.do_read(ec);
+
+ // The third party library successfully performed a read on the
+ // socket. Start new read or write operations based on what it now
+ // wants.
+ if (!ec || ec == asio::error::would_block)
+ do_operations();
+
+ // Otherwise, an error occurred. Closing the socket cancels any
+ // outstanding asynchronous read or write operations. The
+ // connection object will be destroyed automatically once those
+ // outstanding operations complete.
+ else
+ socket_.close();
+ });
+ }
+
+ // Start a write operation if the third party library wants one.
+ if (session_impl_.want_write() && !write_in_progress_)
+ {
+ write_in_progress_ = true;
+ socket_.async_wait(tcp::socket::wait_write,
+ [this, self](std::error_code ec)
+ {
+ write_in_progress_ = false;
+
+ // Notify third party library that it can perform a write.
+ if (!ec)
+ session_impl_.do_write(ec);
+
+ // The third party library successfully performed a write on the
+ // socket. Start new read or write operations based on what it now
+ // wants.
+ if (!ec || ec == asio::error::would_block)
+ do_operations();
+
+ // Otherwise, an error occurred. Closing the socket cancels any
+ // outstanding asynchronous read or write operations. The
+ // connection object will be destroyed automatically once those
+ // outstanding operations complete.
+ else
+ socket_.close();
+ });
+ }
+ }
+
+private:
+ tcp::socket socket_;
+ third_party_lib::session session_impl_{socket_};
+ bool read_in_progress_ = false;
+ bool write_in_progress_ = false;
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context, unsigned short port)
+ : acceptor_(io_context, {tcp::v4(), port})
+ {
+ do_accept();
+ }
+
+private:
+ void do_accept()
+ {
+ acceptor_.async_accept(
+ [this](std::error_code ec, tcp::socket socket)
+ {
+ if (!ec)
+ {
+ std::make_shared<connection>(std::move(socket))->start();
+ }
+
+ do_accept();
+ });
+ }
+
+ tcp::acceptor acceptor_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: third_party_lib <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ server s(io_context, std::atoi(argv[1]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_1.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_1.cpp
new file mode 100644
index 00000000000..054dbdbbc88
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_1.cpp
@@ -0,0 +1,159 @@
+//
+// composed_1.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+//------------------------------------------------------------------------------
+
+// This is the simplest example of a composed asynchronous operation, where we
+// simply repackage an existing operation. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+ const char* message, CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is void.
+ // However, when the completion token is asio::yield_context (used for
+ // stackful coroutines) the return type would be std::size_t, and when the
+ // completion token is asio::use_future it would be std::future<std::size_t>.
+ // When the completion token is asio::deferred, the return type differs for
+ // each asynchronous operation.
+ //
+ // In this example we are trivially delegating to an underlying asynchronous
+ // operation, so we can deduce the return type from that.
+ -> decltype(
+ asio::async_write(socket,
+ asio::buffer(message, std::strlen(message)),
+ std::forward<CompletionToken>(token)))
+{
+ // When delegating to the underlying operation we must take care to perfectly
+ // forward the completion token. This ensures that our operation works
+ // correctly with move-only function objects as callbacks, as well as other
+ // completion token types.
+ return asio::async_write(socket,
+ asio::buffer(message, std::strlen(message)),
+ std::forward<CompletionToken>(token));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_message(socket, "Testing callback\r\n",
+ [](const std::error_code& error, std::size_t n)
+ {
+ if (!error)
+ {
+ std::cout << n << " bytes transferred\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_message(socket,
+ "Testing deferred\r\n", asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error, std::size_t n)
+ {
+ if (!error)
+ {
+ std::cout << n << " bytes transferred\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<std::size_t> f = async_write_message(
+ socket, "Testing future\r\n", asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ std::size_t n = f.get();
+ std::cout << n << " bytes transferred\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_2.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_2.cpp
new file mode 100644
index 00000000000..306d4b343b4
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_2.cpp
@@ -0,0 +1,229 @@
+//
+// composed_2.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This next simplest example of a composed asynchronous operation involves
+// repackaging multiple operations but choosing to invoke just one of them. All
+// of these underlying operations have the same completion signature. The
+// asynchronous operation requirements are met by delegating responsibility to
+// the underlying operations.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+ // The initiation function object's call operator is passed the concrete
+ // completion handler produced by the completion token. This completion
+ // handler matches the asynchronous operation's completion handler signature,
+ // which in this example is:
+ //
+ // void(std::error_code error, std::size_t)
+ //
+ // The initiation function object also receives any additional arguments
+ // required to start the operation. (Note: We could have instead passed these
+ // arguments as members in the initiaton function object. However, we should
+ // prefer to propagate them as function call arguments as this allows the
+ // completion token to optimise how they are passed. For example, a lazy
+ // future which defers initiation would need to make a decay-copy of the
+ // arguments, but when using a simple callback the arguments can be trivially
+ // forwarded straight through.)
+ template <typename CompletionHandler>
+ void operator()(CompletionHandler&& completion_handler, tcp::socket& socket,
+ const char* message, bool allow_partial_write) const
+ {
+ if (allow_partial_write)
+ {
+ // When delegating to an underlying operation we must take care to
+ // perfectly forward the completion handler. This ensures that our
+ // operation works correctly with move-only function objects as
+ // callbacks.
+ return socket.async_write_some(
+ asio::buffer(message, std::strlen(message)),
+ std::forward<CompletionHandler>(completion_handler));
+ }
+ else
+ {
+ // As above, we must perfectly forward the completion handler when calling
+ // the alternate underlying operation.
+ return asio::async_write(socket,
+ asio::buffer(message, std::strlen(message)),
+ std::forward<CompletionHandler>(completion_handler));
+ }
+ }
+};
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+ const char* message, bool allow_partial_write,
+ CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is void.
+ // However, when the completion token is asio::yield_context (used for
+ // stackful coroutines) the return type would be std::size_t, and when the
+ // completion token is asio::use_future it would be std::future<std::size_t>.
+ // When the completion token is asio::deferred, the return type differs for
+ // each asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_initiate.
+ -> decltype(
+ asio::async_initiate<
+ CompletionToken, void(std::error_code, std::size_t)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message, allow_partial_write))
+{
+ // The asio::async_initiate function takes:
+ //
+ // - our initiation function object,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any additional arguments we need to initiate the operation.
+ //
+ // It then asks the completion token to create a completion handler (i.e. a
+ // callback) with the specified signature, and invoke the initiation function
+ // object with this completion handler as well as the additional arguments.
+ // The return value of async_initiate is the result of our operation's
+ // initiating function.
+ //
+ // Note that we wrap non-const reference arguments in std::reference_wrapper
+ // to prevent incorrect decay-copies of these objects.
+ return asio::async_initiate<
+ CompletionToken, void(std::error_code, std::size_t)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message, allow_partial_write);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_message(socket, "Testing callback\r\n", false,
+ [](const std::error_code& error, std::size_t n)
+ {
+ if (!error)
+ {
+ std::cout << n << " bytes transferred\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_message(socket,
+ "Testing deferred\r\n", false, asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error, std::size_t n)
+ {
+ if (!error)
+ {
+ std::cout << n << " bytes transferred\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<std::size_t> f = async_write_message(
+ socket, "Testing future\r\n", false, asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ std::size_t n = f.get();
+ std::cout << n << " bytes transferred\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_3.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_3.cpp
new file mode 100644
index 00000000000..e0b5ddca85b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_3.cpp
@@ -0,0 +1,238 @@
+//
+// composed_3.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. The asynchronous operation
+// requirements are met by delegating responsibility to the underlying
+// operation.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+ // The initiation function object's call operator is passed the concrete
+ // completion handler produced by the completion token. This completion
+ // handler matches the asynchronous operation's completion handler signature,
+ // which in this example is:
+ //
+ // void(std::error_code error)
+ //
+ // The initiation function object also receives any additional arguments
+ // required to start the operation. (Note: We could have instead passed these
+ // arguments as members in the initiaton function object. However, we should
+ // prefer to propagate them as function call arguments as this allows the
+ // completion token to optimise how they are passed. For example, a lazy
+ // future which defers initiation would need to make a decay-copy of the
+ // arguments, but when using a simple callback the arguments can be trivially
+ // forwarded straight through.)
+ template <typename CompletionHandler>
+ void operator()(CompletionHandler&& completion_handler,
+ tcp::socket& socket, const char* message) const
+ {
+ // The async_write operation has a completion handler signature of:
+ //
+ // void(std::error_code error, std::size n)
+ //
+ // This differs from our operation's signature in that it is also passed
+ // the number of bytes transferred as an argument of type std::size_t. We
+ // will adapt our completion handler to async_write's completion handler
+ // signature by using std::bind, which drops the additional argument.
+ //
+ // However, it is essential to the correctness of our composed operation
+ // that we preserve the executor of the user-supplied completion handler.
+ // The std::bind function will not do this for us, so we must do this by
+ // first obtaining the completion handler's associated executor (defaulting
+ // to the I/O executor - in this case the executor of the socket - if the
+ // completion handler does not have its own) ...
+ auto executor = asio::get_associated_executor(
+ completion_handler, socket.get_executor());
+
+ // ... and then binding this executor to our adapted completion handler
+ // using the asio::bind_executor function.
+ asio::async_write(socket,
+ asio::buffer(message, std::strlen(message)),
+ asio::bind_executor(executor,
+ std::bind(std::forward<CompletionHandler>(
+ completion_handler), std::placeholders::_1)));
+ }
+};
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+ const char* message, CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_initiate.
+ -> decltype(
+ asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message))
+{
+ // The asio::async_initiate function takes:
+ //
+ // - our initiation function object,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any additional arguments we need to initiate the operation.
+ //
+ // It then asks the completion token to create a completion handler (i.e. a
+ // callback) with the specified signature, and invoke the initiation function
+ // object with this completion handler as well as the additional arguments.
+ // The return value of async_initiate is the result of our operation's
+ // initiating function.
+ //
+ // Note that we wrap non-const reference arguments in std::reference_wrapper
+ // to prevent incorrect decay-copies of these objects.
+ return asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_message(socket, "Testing callback\r\n",
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_message(socket,
+ "Testing deferred\r\n", asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_message(
+ socket, "Testing future\r\n", asio::use_future);
+
+ io_context.run();
+
+ // Get the result of the operation.
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Message sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_4.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_4.cpp
new file mode 100644
index 00000000000..29fe26966e5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_4.cpp
@@ -0,0 +1,252 @@
+//
+// composed_4.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/bind_executor.hpp>
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// In this composed operation we repackage an existing operation, but with a
+// different completion handler signature. We will also intercept an empty
+// message as an invalid argument, and propagate the corresponding error to the
+// user. The asynchronous operation requirements are met by delegating
+// responsibility to the underlying operation.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+ // The initiation function object's call operator is passed the concrete
+ // completion handler produced by the completion token. This completion
+ // handler matches the asynchronous operation's completion handler signature,
+ // which in this example is:
+ //
+ // void(std::error_code error)
+ //
+ // The initiation function object also receives any additional arguments
+ // required to start the operation. (Note: We could have instead passed these
+ // arguments as members in the initiaton function object. However, we should
+ // prefer to propagate them as function call arguments as this allows the
+ // completion token to optimise how they are passed. For example, a lazy
+ // future which defers initiation would need to make a decay-copy of the
+ // arguments, but when using a simple callback the arguments can be trivially
+ // forwarded straight through.)
+ template <typename CompletionHandler>
+ void operator()(CompletionHandler&& completion_handler,
+ tcp::socket& socket, const char* message) const
+ {
+ // The post operation has a completion handler signature of:
+ //
+ // void()
+ //
+ // and the async_write operation has a completion handler signature of:
+ //
+ // void(std::error_code error, std::size n)
+ //
+ // Both of these operations' completion handler signatures differ from our
+ // operation's completion handler signature. We will adapt our completion
+ // handler to these signatures by using std::bind, which drops the
+ // additional arguments.
+ //
+ // However, it is essential to the correctness of our composed operation
+ // that we preserve the executor of the user-supplied completion handler.
+ // The std::bind function will not do this for us, so we must do this by
+ // first obtaining the completion handler's associated executor (defaulting
+ // to the I/O executor - in this case the executor of the socket - if the
+ // completion handler does not have its own) ...
+ auto executor = asio::get_associated_executor(
+ completion_handler, socket.get_executor());
+
+ // ... and then binding this executor to our adapted completion handler
+ // using the asio::bind_executor function.
+ std::size_t length = std::strlen(message);
+ if (length == 0)
+ {
+ asio::post(
+ asio::bind_executor(executor,
+ std::bind(std::forward<CompletionHandler>(completion_handler),
+ asio::error::invalid_argument)));
+ }
+ else
+ {
+ asio::async_write(socket,
+ asio::buffer(message, length),
+ asio::bind_executor(executor,
+ std::bind(std::forward<CompletionHandler>(completion_handler),
+ std::placeholders::_1)));
+ }
+ }
+};
+
+template <typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+ const char* message, CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_initiate.
+ -> decltype(
+ asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message))
+{
+ // The asio::async_initiate function takes:
+ //
+ // - our initiation function object,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any additional arguments we need to initiate the operation.
+ //
+ // It then asks the completion token to create a completion handler (i.e. a
+ // callback) with the specified signature, and invoke the initiation function
+ // object with this completion handler as well as the additional arguments.
+ // The return value of async_initiate is the result of our operation's
+ // initiating function.
+ //
+ // Note that we wrap non-const reference arguments in std::reference_wrapper
+ // to prevent incorrect decay-copies of these objects.
+ return asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(),
+ token, std::ref(socket), message);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_message(socket, "",
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_message(socket, "", asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_message(
+ socket, "", asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Message sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_5.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_5.cpp
new file mode 100644
index 00000000000..06a7af40f41
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_5.cpp
@@ -0,0 +1,289 @@
+//
+// composed_5.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation automatically serialises a message, using its I/O
+// streams insertion operator, before sending it on the socket. To do this, it
+// must allocate a buffer for the encoded message and ensure this buffer's
+// validity until the underlying async_write operation completes.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+ // The initiation function object's call operator is passed the concrete
+ // completion handler produced by the completion token. This completion
+ // handler matches the asynchronous operation's completion handler signature,
+ // which in this example is:
+ //
+ // void(std::error_code error)
+ //
+ // The initiation function object also receives any additional arguments
+ // required to start the operation. (Note: We could have instead passed these
+ // arguments as members in the initiaton function object. However, we should
+ // prefer to propagate them as function call arguments as this allows the
+ // completion token to optimise how they are passed. For example, a lazy
+ // future which defers initiation would need to make a decay-copy of the
+ // arguments, but when using a simple callback the arguments can be trivially
+ // forwarded straight through.)
+ template <typename CompletionHandler>
+ void operator()(CompletionHandler&& completion_handler,
+ tcp::socket& socket, std::unique_ptr<std::string> encoded_message) const
+ {
+ // In this example, the composed operation's intermediate completion
+ // handler is implemented as a hand-crafted function object, rather than
+ // using a lambda or std::bind.
+ struct intermediate_completion_handler
+ {
+ // The intermediate completion handler holds a reference to the socket so
+ // that it can obtain the I/O executor (see get_executor below).
+ tcp::socket& socket_;
+
+ // The allocated buffer for the encoded message. The std::unique_ptr
+ // smart pointer is move-only, and as a consequence our intermediate
+ // completion handler is also move-only.
+ std::unique_ptr<std::string> encoded_message_;
+
+ // The user-supplied completion handler.
+ typename std::decay<CompletionHandler>::type handler_;
+
+ // The function call operator matches the completion signature of the
+ // async_write operation.
+ void operator()(const std::error_code& error, std::size_t /*n*/)
+ {
+ // Deallocate the encoded message before calling the user-supplied
+ // completion handler.
+ encoded_message_.reset();
+
+ // Call the user-supplied handler with the result of the operation.
+ // The arguments must match the completion signature of our composed
+ // operation.
+ handler_(error);
+ }
+
+ // It is essential to the correctness of our composed operation that we
+ // preserve the executor of the user-supplied completion handler. With a
+ // hand-crafted function object we can do this by defining a nested type
+ // executor_type and member function get_executor. These obtain the
+ // completion handler's associated executor, and default to the I/O
+ // executor - in this case the executor of the socket - if the completion
+ // handler does not have its own.
+ using executor_type = asio::associated_executor_t<
+ typename std::decay<CompletionHandler>::type,
+ tcp::socket::executor_type>;
+
+ executor_type get_executor() const noexcept
+ {
+ return asio::get_associated_executor(
+ handler_, socket_.get_executor());
+ }
+
+ // Although not necessary for correctness, we may also preserve the
+ // allocator of the user-supplied completion handler. This is achieved by
+ // defining a nested type allocator_type and member function
+ // get_allocator. These obtain the completion handler's associated
+ // allocator, and default to std::allocator<void> if the completion
+ // handler does not have its own.
+ using allocator_type = asio::associated_allocator_t<
+ typename std::decay<CompletionHandler>::type,
+ std::allocator<void>>;
+
+ allocator_type get_allocator() const noexcept
+ {
+ return asio::get_associated_allocator(
+ handler_, std::allocator<void>{});
+ }
+ };
+
+ // Initiate the underlying async_write operation using our intermediate
+ // completion handler.
+ auto encoded_message_buffer = asio::buffer(*encoded_message);
+ asio::async_write(socket, encoded_message_buffer,
+ intermediate_completion_handler{socket, std::move(encoded_message),
+ std::forward<CompletionHandler>(completion_handler)});
+ }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_message(tcp::socket& socket,
+ const T& message, CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_initiate.
+ -> decltype(
+ asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(), token,
+ std::ref(socket), std::declval<std::unique_ptr<std::string>>()))
+{
+ // Encode the message and copy it into an allocated buffer. The buffer will
+ // be maintained for the lifetime of the asynchronous operation.
+ std::ostringstream os;
+ os << message;
+ std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+ // The asio::async_initiate function takes:
+ //
+ // - our initiation function object,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any additional arguments we need to initiate the operation.
+ //
+ // It then asks the completion token to create a completion handler (i.e. a
+ // callback) with the specified signature, and invoke the initiation function
+ // object with this completion handler as well as the additional arguments.
+ // The return value of async_initiate is the result of our operation's
+ // initiating function.
+ //
+ // Note that we wrap non-const reference arguments in std::reference_wrapper
+ // to prevent incorrect decay-copies of these objects.
+ return asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(), token,
+ std::ref(socket), std::move(encoded_message));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_message(socket, 123456,
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_message(socket,
+ std::string("abcdef"), asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Message sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_message(
+ socket, 654.321, asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Message sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_6.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_6.cpp
new file mode 100644
index 00000000000..b948758d83a
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_6.cpp
@@ -0,0 +1,349 @@
+//
+// composed_6.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/deferred.hpp>
+#include <asio/executor_work_guard.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_initiate function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+// In addition to determining the mechanism by which an asynchronous operation
+// delivers its result, a completion token also determines the time when the
+// operation commences. For example, when the completion token is a simple
+// callback the operation commences before the initiating function returns.
+// However, if the completion token's delivery mechanism uses a future, we
+// might instead want to defer initiation of the operation until the returned
+// future object is waited upon.
+//
+// To enable this, when implementing an asynchronous operation we must package
+// the initiation step as a function object.
+struct async_write_message_initiation
+{
+ // The initiation function object's call operator is passed the concrete
+ // completion handler produced by the completion token. This completion
+ // handler matches the asynchronous operation's completion handler signature,
+ // which in this example is:
+ //
+ // void(std::error_code error)
+ //
+ // The initiation function object also receives any additional arguments
+ // required to start the operation. (Note: We could have instead passed these
+ // arguments as members in the initiaton function object. However, we should
+ // prefer to propagate them as function call arguments as this allows the
+ // completion token to optimise how they are passed. For example, a lazy
+ // future which defers initiation would need to make a decay-copy of the
+ // arguments, but when using a simple callback the arguments can be trivially
+ // forwarded straight through.)
+ template <typename CompletionHandler>
+ void operator()(CompletionHandler&& completion_handler, tcp::socket& socket,
+ std::unique_ptr<std::string> encoded_message, std::size_t repeat_count,
+ std::unique_ptr<asio::steady_timer> delay_timer) const
+ {
+ // In this example, the composed operation's intermediate completion
+ // handler is implemented as a hand-crafted function object.
+ struct intermediate_completion_handler
+ {
+ // The intermediate completion handler holds a reference to the socket as
+ // it is used for multiple async_write operations, as well as for
+ // obtaining the I/O executor (see get_executor below).
+ tcp::socket& socket_;
+
+ // The allocated buffer for the encoded message. The std::unique_ptr
+ // smart pointer is move-only, and as a consequence our intermediate
+ // completion handler is also move-only.
+ std::unique_ptr<std::string> encoded_message_;
+
+ // The repeat count remaining.
+ std::size_t repeat_count_;
+
+ // A steady timer used for introducing a delay.
+ std::unique_ptr<asio::steady_timer> delay_timer_;
+
+ // To manage the cycle between the multiple underlying asychronous
+ // operations, our intermediate completion handler is implemented as a
+ // state machine.
+ enum { starting, waiting, writing } state_;
+
+ // As our composed operation performs multiple underlying I/O operations,
+ // we should maintain a work object against the I/O executor. This tells
+ // the I/O executor that there is still more work to come in the future.
+ asio::executor_work_guard<tcp::socket::executor_type> io_work_;
+
+ // The user-supplied completion handler, called once only on completion
+ // of the entire composed operation.
+ typename std::decay<CompletionHandler>::type handler_;
+
+ // By having a default value for the second argument, this function call
+ // operator matches the completion signature of both the async_write and
+ // steady_timer::async_wait operations.
+ void operator()(const std::error_code& error, std::size_t = 0)
+ {
+ if (!error)
+ {
+ switch (state_)
+ {
+ case starting:
+ case writing:
+ if (repeat_count_ > 0)
+ {
+ --repeat_count_;
+ state_ = waiting;
+ delay_timer_->expires_after(std::chrono::seconds(1));
+ delay_timer_->async_wait(std::move(*this));
+ return; // Composed operation not yet complete.
+ }
+ break; // Composed operation complete, continue below.
+ case waiting:
+ state_ = writing;
+ asio::async_write(socket_,
+ asio::buffer(*encoded_message_), std::move(*this));
+ return; // Composed operation not yet complete.
+ }
+ }
+
+ // This point is reached only on completion of the entire composed
+ // operation.
+
+ // We no longer have any future work coming for the I/O executor.
+ io_work_.reset();
+
+ // Deallocate the encoded message before calling the user-supplied
+ // completion handler.
+ encoded_message_.reset();
+
+ // Call the user-supplied handler with the result of the operation.
+ handler_(error);
+ }
+
+ // It is essential to the correctness of our composed operation that we
+ // preserve the executor of the user-supplied completion handler. With a
+ // hand-crafted function object we can do this by defining a nested type
+ // executor_type and member function get_executor. These obtain the
+ // completion handler's associated executor, and default to the I/O
+ // executor - in this case the executor of the socket - if the completion
+ // handler does not have its own.
+ using executor_type = asio::associated_executor_t<
+ typename std::decay<CompletionHandler>::type,
+ tcp::socket::executor_type>;
+
+ executor_type get_executor() const noexcept
+ {
+ return asio::get_associated_executor(
+ handler_, socket_.get_executor());
+ }
+
+ // Although not necessary for correctness, we may also preserve the
+ // allocator of the user-supplied completion handler. This is achieved by
+ // defining a nested type allocator_type and member function
+ // get_allocator. These obtain the completion handler's associated
+ // allocator, and default to std::allocator<void> if the completion
+ // handler does not have its own.
+ using allocator_type = asio::associated_allocator_t<
+ typename std::decay<CompletionHandler>::type,
+ std::allocator<void>>;
+
+ allocator_type get_allocator() const noexcept
+ {
+ return asio::get_associated_allocator(
+ handler_, std::allocator<void>{});
+ }
+ };
+
+ // Initiate the underlying async_write operation using our intermediate
+ // completion handler.
+ auto encoded_message_buffer = asio::buffer(*encoded_message);
+ asio::async_write(socket, encoded_message_buffer,
+ intermediate_completion_handler{
+ socket, std::move(encoded_message),
+ repeat_count, std::move(delay_timer),
+ intermediate_completion_handler::starting,
+ asio::make_work_guard(socket.get_executor()),
+ std::forward<CompletionHandler>(completion_handler)});
+ }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+ const T& message, std::size_t repeat_count,
+ CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_initiate.
+ -> decltype(
+ asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(), token, std::ref(socket),
+ std::declval<std::unique_ptr<std::string>>(), repeat_count,
+ std::declval<std::unique_ptr<asio::steady_timer>>()))
+{
+ // Encode the message and copy it into an allocated buffer. The buffer will
+ // be maintained for the lifetime of the composed asynchronous operation.
+ std::ostringstream os;
+ os << message;
+ std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+ // Create a steady_timer to be used for the delay between messages.
+ std::unique_ptr<asio::steady_timer> delay_timer(
+ new asio::steady_timer(socket.get_executor()));
+
+ // The asio::async_initiate function takes:
+ //
+ // - our initiation function object,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any additional arguments we need to initiate the operation.
+ //
+ // It then asks the completion token to create a completion handler (i.e. a
+ // callback) with the specified signature, and invoke the initiation function
+ // object with this completion handler as well as the additional arguments.
+ // The return value of async_initiate is the result of our operation's
+ // initiating function.
+ //
+ // Note that we wrap non-const reference arguments in std::reference_wrapper
+ // to prevent incorrect decay-copies of these objects.
+ return asio::async_initiate<
+ CompletionToken, void(std::error_code)>(
+ async_write_message_initiation(), token, std::ref(socket),
+ std::move(encoded_message), repeat_count, std::move(delay_timer));
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_messages(socket, "Testing callback\r\n", 5,
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_messages(socket,
+ "Testing deferred\r\n", 5, asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_messages(
+ socket, "Testing future\r\n", 5, asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Messages sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_7.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_7.cpp
new file mode 100644
index 00000000000..8eb83dc7679
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_7.cpp
@@ -0,0 +1,268 @@
+//
+// composed_7.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations.
+// It automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+// In this example, the composed operation's logic is implemented as a state
+// machine within a hand-crafted function object.
+struct async_write_messages_implementation
+{
+ // The implementation holds a reference to the socket as it is used for
+ // multiple async_write operations.
+ tcp::socket& socket_;
+
+ // The allocated buffer for the encoded message. The std::unique_ptr smart
+ // pointer is move-only, and as a consequence our implementation is also
+ // move-only.
+ std::unique_ptr<std::string> encoded_message_;
+
+ // The repeat count remaining.
+ std::size_t repeat_count_;
+
+ // A steady timer used for introducing a delay.
+ std::unique_ptr<asio::steady_timer> delay_timer_;
+
+ // To manage the cycle between the multiple underlying asychronous
+ // operations, our implementation is a state machine.
+ enum { starting, waiting, writing } state_;
+
+ // The first argument to our function object's call operator is a reference
+ // to the enclosing intermediate completion handler. This intermediate
+ // completion handler is provided for us by the asio::async_compose
+ // function, and takes care of all the details required to implement a
+ // conforming asynchronous operation. When calling an underlying asynchronous
+ // operation, we pass it this enclosing intermediate completion handler
+ // as the completion token.
+ //
+ // All arguments after the first must be defaulted to allow the state machine
+ // to be started, as well as to allow the completion handler to match the
+ // completion signature of both the async_write and steady_timer::async_wait
+ // operations.
+ template <typename Self>
+ void operator()(Self& self,
+ const std::error_code& error = std::error_code(),
+ std::size_t = 0)
+ {
+ if (!error)
+ {
+ switch (state_)
+ {
+ case starting:
+ case writing:
+ if (repeat_count_ > 0)
+ {
+ --repeat_count_;
+ state_ = waiting;
+ delay_timer_->expires_after(std::chrono::seconds(1));
+ delay_timer_->async_wait(std::move(self));
+ return; // Composed operation not yet complete.
+ }
+ break; // Composed operation complete, continue below.
+ case waiting:
+ state_ = writing;
+ asio::async_write(socket_,
+ asio::buffer(*encoded_message_), std::move(self));
+ return; // Composed operation not yet complete.
+ }
+ }
+
+ // This point is reached only on completion of the entire composed
+ // operation.
+
+ // Deallocate the encoded message and delay timer before calling the
+ // user-supplied completion handler.
+ encoded_message_.reset();
+ delay_timer_.reset();
+
+ // Call the user-supplied handler with the result of the operation.
+ self.complete(error);
+ }
+};
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+ const T& message, std::size_t repeat_count,
+ CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_compose.
+ -> decltype(
+ asio::async_compose<
+ CompletionToken, void(std::error_code)>(
+ std::declval<async_write_messages_implementation>(),
+ token, socket))
+{
+ // Encode the message and copy it into an allocated buffer. The buffer will
+ // be maintained for the lifetime of the composed asynchronous operation.
+ std::ostringstream os;
+ os << message;
+ std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+ // Create a steady_timer to be used for the delay between messages.
+ std::unique_ptr<asio::steady_timer> delay_timer(
+ new asio::steady_timer(socket.get_executor()));
+
+ // The asio::async_compose function takes:
+ //
+ // - our asynchronous operation implementation,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any I/O objects (or executors) used by the operation
+ //
+ // It then wraps our implementation in an intermediate completion handler
+ // that meets the requirements of a conforming asynchronous operation. This
+ // includes tracking outstanding work against the I/O executors associated
+ // with the operation (in this example, this is the socket's executor).
+ return asio::async_compose<
+ CompletionToken, void(std::error_code)>(
+ async_write_messages_implementation{
+ socket, std::move(encoded_message),
+ repeat_count, std::move(delay_timer),
+ async_write_messages_implementation::starting},
+ token, socket);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_messages(socket, "Testing callback\r\n", 5,
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_messages(socket,
+ "Testing deferred\r\n", 5, asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_messages(
+ socket, "Testing future\r\n", 5, asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Messages sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/operations/composed_8.cpp b/3rdparty/asio/src/examples/cpp11/operations/composed_8.cpp
new file mode 100644
index 00000000000..ce22a5b418d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/operations/composed_8.cpp
@@ -0,0 +1,263 @@
+//
+// composed_8.cpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio/compose.hpp>
+#include <asio/deferred.hpp>
+#include <asio/io_context.hpp>
+#include <asio/ip/tcp.hpp>
+#include <asio/steady_timer.hpp>
+#include <asio/use_future.hpp>
+#include <asio/write.hpp>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <type_traits>
+#include <utility>
+
+using asio::ip::tcp;
+
+// NOTE: This example requires the new asio::async_compose function. For
+// an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+//------------------------------------------------------------------------------
+
+// This composed operation shows composition of multiple underlying operations,
+// using asio's stackless coroutines support to express the flow of control. It
+// automatically serialises a message, using its I/O streams insertion
+// operator, before sending it N times on the socket. To do this, it must
+// allocate a buffer for the encoded message and ensure this buffer's validity
+// until all underlying async_write operation complete. A one second delay is
+// inserted prior to each write operation, using a steady_timer.
+
+#include <asio/yield.hpp>
+
+// In this example, the composed operation's logic is implemented as a state
+// machine within a hand-crafted function object.
+struct async_write_messages_implementation
+{
+ // The implementation holds a reference to the socket as it is used for
+ // multiple async_write operations.
+ tcp::socket& socket_;
+
+ // The allocated buffer for the encoded message. The std::unique_ptr smart
+ // pointer is move-only, and as a consequence our implementation is also
+ // move-only.
+ std::unique_ptr<std::string> encoded_message_;
+
+ // The repeat count remaining.
+ std::size_t repeat_count_;
+
+ // A steady timer used for introducing a delay.
+ std::unique_ptr<asio::steady_timer> delay_timer_;
+
+ // The coroutine state.
+ asio::coroutine coro_;
+
+ // The first argument to our function object's call operator is a reference
+ // to the enclosing intermediate completion handler. This intermediate
+ // completion handler is provided for us by the asio::async_compose
+ // function, and takes care of all the details required to implement a
+ // conforming asynchronous operation. When calling an underlying asynchronous
+ // operation, we pass it this enclosing intermediate completion handler
+ // as the completion token.
+ //
+ // All arguments after the first must be defaulted to allow the state machine
+ // to be started, as well as to allow the completion handler to match the
+ // completion signature of both the async_write and steady_timer::async_wait
+ // operations.
+ template <typename Self>
+ void operator()(Self& self,
+ const std::error_code& error = std::error_code(),
+ std::size_t = 0)
+ {
+ reenter (coro_)
+ {
+ while (repeat_count_ > 0)
+ {
+ --repeat_count_;
+
+ delay_timer_->expires_after(std::chrono::seconds(1));
+ yield delay_timer_->async_wait(std::move(self));
+ if (error)
+ break;
+
+ yield asio::async_write(socket_,
+ asio::buffer(*encoded_message_), std::move(self));
+ if (error)
+ break;
+ }
+
+ // Deallocate the encoded message and delay timer before calling the
+ // user-supplied completion handler.
+ encoded_message_.reset();
+ delay_timer_.reset();
+
+ // Call the user-supplied handler with the result of the operation.
+ self.complete(error);
+ }
+ }
+};
+
+#include <asio/unyield.hpp>
+
+template <typename T, typename CompletionToken>
+auto async_write_messages(tcp::socket& socket,
+ const T& message, std::size_t repeat_count,
+ CompletionToken&& token)
+ // The return type of the initiating function is deduced from the combination
+ // of:
+ //
+ // - the CompletionToken type,
+ // - the completion handler signature, and
+ // - the asynchronous operation's initiation function object.
+ //
+ // When the completion token is a simple callback, the return type is always
+ // void. In this example, when the completion token is asio::yield_context
+ // (used for stackful coroutines) the return type would also be void, as
+ // there is no non-error argument to the completion handler. When the
+ // completion token is asio::use_future it would be std::future<void>. When
+ // the completion token is asio::deferred, the return type differs for each
+ // asynchronous operation.
+ //
+ // In C++11 we deduce the type from the call to asio::async_compose.
+ -> decltype(
+ asio::async_compose<
+ CompletionToken, void(std::error_code)>(
+ std::declval<async_write_messages_implementation>(),
+ token, socket))
+{
+ // Encode the message and copy it into an allocated buffer. The buffer will
+ // be maintained for the lifetime of the composed asynchronous operation.
+ std::ostringstream os;
+ os << message;
+ std::unique_ptr<std::string> encoded_message(new std::string(os.str()));
+
+ // Create a steady_timer to be used for the delay between messages.
+ std::unique_ptr<asio::steady_timer> delay_timer(
+ new asio::steady_timer(socket.get_executor()));
+
+ // The asio::async_compose function takes:
+ //
+ // - our asynchronous operation implementation,
+ // - the completion token,
+ // - the completion handler signature, and
+ // - any I/O objects (or executors) used by the operation
+ //
+ // It then wraps our implementation in an intermediate completion handler
+ // that meets the requirements of a conforming asynchronous operation. This
+ // includes tracking outstanding work against the I/O executors associated
+ // with the operation (in this example, this is the socket's executor).
+ return asio::async_compose<
+ CompletionToken, void(std::error_code)>(
+ async_write_messages_implementation{socket,
+ std::move(encoded_message), repeat_count,
+ std::move(delay_timer), asio::coroutine()},
+ token, socket);
+}
+
+//------------------------------------------------------------------------------
+
+void test_callback()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using a lambda as a callback.
+ async_write_messages(socket, "Testing callback\r\n", 5,
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_deferred()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the deferred completion token. This
+ // token causes the operation's initiating function to package up the
+ // operation and its arguments to return a function object, which may then be
+ // used to launch the asynchronous operation.
+ auto op = async_write_messages(socket,
+ "Testing deferred\r\n", 5, asio::deferred);
+
+ // Launch the operation using a lambda as a callback.
+ std::move(op)(
+ [](const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::cout << "Messages sent\n";
+ }
+ else
+ {
+ std::cout << "Error: " << error.message() << "\n";
+ }
+ });
+
+ io_context.run();
+}
+
+//------------------------------------------------------------------------------
+
+void test_future()
+{
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, {tcp::v4(), 55555});
+ tcp::socket socket = acceptor.accept();
+
+ // Test our asynchronous operation using the use_future completion token.
+ // This token causes the operation's initiating function to return a future,
+ // which may be used to synchronously wait for the result of the operation.
+ std::future<void> f = async_write_messages(
+ socket, "Testing future\r\n", 5, asio::use_future);
+
+ io_context.run();
+
+ try
+ {
+ // Get the result of the operation.
+ f.get();
+ std::cout << "Messages sent\n";
+ }
+ catch (const std::exception& e)
+ {
+ std::cout << "Error: " << e.what() << "\n";
+ }
+}
+
+//------------------------------------------------------------------------------
+
+int main()
+{
+ test_callback();
+ test_deferred();
+ test_future();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/parallel_group/ranged_wait_for_all.cpp b/3rdparty/asio/src/examples/cpp11/parallel_group/ranged_wait_for_all.cpp
new file mode 100644
index 00000000000..18772884072
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/parallel_group/ranged_wait_for_all.cpp
@@ -0,0 +1,70 @@
+//
+// ranged_wait_for_all.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+#include <vector>
+
+#ifdef ASIO_HAS_POSIX_STREAM_DESCRIPTOR
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor out(ctx, ::dup(STDOUT_FILENO));
+ asio::posix::stream_descriptor err(ctx, ::dup(STDERR_FILENO));
+
+ using op_type = decltype(
+ out.async_write_some(
+ asio::buffer("", 0),
+ asio::deferred
+ )
+ );
+
+ std::vector<op_type> ops;
+
+ ops.push_back(
+ out.async_write_some(
+ asio::buffer("first\r\n", 7),
+ asio::deferred
+ )
+ );
+
+ ops.push_back(
+ err.async_write_some(
+ asio::buffer("second\r\n", 8),
+ asio::deferred
+ )
+ );
+
+ asio::experimental::make_parallel_group(ops).async_wait(
+ asio::experimental::wait_for_all(),
+ [](
+ std::vector<std::size_t> completion_order,
+ std::vector<std::error_code> ec,
+ std::vector<std::size_t> n
+ )
+ {
+ for (std::size_t i = 0; i < completion_order.size(); ++i)
+ {
+ std::size_t idx = completion_order[i];
+ std::cout << "operation " << idx << " finished: ";
+ std::cout << ec[idx] << ", " << n[idx] << "\n";
+ }
+ }
+ );
+
+ ctx.run();
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_all.cpp b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_all.cpp
new file mode 100644
index 00000000000..a489a2966da
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_all.cpp
@@ -0,0 +1,62 @@
+//
+// wait_for_all.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <asio/experimental/deferred.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+
+#ifdef ASIO_HAS_POSIX_STREAM_DESCRIPTOR
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor in(ctx, ::dup(STDIN_FILENO));
+ asio::steady_timer timer(ctx, std::chrono::seconds(5));
+
+ char data[1024];
+
+ asio::experimental::make_parallel_group(
+ in.async_read_some(
+ asio::buffer(data),
+ asio::deferred),
+ timer.async_wait(
+ asio::deferred)
+ ).async_wait(
+ asio::experimental::wait_for_all(),
+ [](
+ std::array<std::size_t, 2> completion_order,
+ std::error_code ec1, std::size_t n1,
+ std::error_code ec2
+ )
+ {
+ switch (completion_order[0])
+ {
+ case 0:
+ {
+ std::cout << "descriptor finished: " << ec1 << ", " << n1 << "\n";
+ }
+ break;
+ case 1:
+ {
+ std::cout << "timer finished: " << ec2 << "\n";
+ }
+ break;
+ }
+ }
+ );
+
+ ctx.run();
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one.cpp b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one.cpp
new file mode 100644
index 00000000000..499684af69f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one.cpp
@@ -0,0 +1,62 @@
+//
+// wait_for_one.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <asio/experimental/deferred.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+
+#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor in(ctx, ::dup(STDIN_FILENO));
+ asio::steady_timer timer(ctx, std::chrono::seconds(5));
+
+ char data[1024];
+
+ asio::experimental::make_parallel_group(
+ in.async_read_some(
+ asio::buffer(data),
+ asio::deferred),
+ timer.async_wait(
+ asio::deferred)
+ ).async_wait(
+ asio::experimental::wait_for_one(),
+ [](
+ std::array<std::size_t, 2> completion_order,
+ std::error_code ec1, std::size_t n1,
+ std::error_code ec2
+ )
+ {
+ switch (completion_order[0])
+ {
+ case 0:
+ {
+ std::cout << "descriptor finished: " << ec1 << ", " << n1 << "\n";
+ }
+ break;
+ case 1:
+ {
+ std::cout << "timer finished: " << ec2 << "\n";
+ }
+ break;
+ }
+ }
+ );
+
+ ctx.run();
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_error.cpp b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_error.cpp
new file mode 100644
index 00000000000..f6e52d6ca0e
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_error.cpp
@@ -0,0 +1,62 @@
+//
+// wait_for_one_error.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <asio/experimental/deferred.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+
+#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor in(ctx, ::dup(STDIN_FILENO));
+ asio::steady_timer timer(ctx, std::chrono::seconds(5));
+
+ char data[1024];
+
+ asio::experimental::make_parallel_group(
+ in.async_read_some(
+ asio::buffer(data),
+ asio::deferred),
+ timer.async_wait(
+ asio::deferred)
+ ).async_wait(
+ asio::experimental::wait_for_one_error(),
+ [](
+ std::array<std::size_t, 2> completion_order,
+ std::error_code ec1, std::size_t n1,
+ std::error_code ec2
+ )
+ {
+ switch (completion_order[0])
+ {
+ case 0:
+ {
+ std::cout << "descriptor finished: " << ec1 << ", " << n1 << "\n";
+ }
+ break;
+ case 1:
+ {
+ std::cout << "timer finished: " << ec2 << "\n";
+ }
+ break;
+ }
+ }
+ );
+
+ ctx.run();
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_success.cpp b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_success.cpp
new file mode 100644
index 00000000000..16fd2130ab8
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/parallel_group/wait_for_one_success.cpp
@@ -0,0 +1,62 @@
+//
+// wait_for_one_error.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <asio/experimental/deferred.hpp>
+#include <asio/experimental/parallel_group.hpp>
+#include <iostream>
+
+#if defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+
+int main()
+{
+ asio::io_context ctx;
+
+ asio::posix::stream_descriptor in(ctx, ::dup(STDIN_FILENO));
+ asio::steady_timer timer(ctx, std::chrono::seconds(5));
+
+ char data[1024];
+
+ asio::experimental::make_parallel_group(
+ in.async_read_some(
+ asio::buffer(data),
+ asio::deferred),
+ timer.async_wait(
+ asio::deferred)
+ ).async_wait(
+ asio::experimental::wait_for_one_success(),
+ [](
+ std::array<std::size_t, 2> completion_order,
+ std::error_code ec1, std::size_t n1,
+ std::error_code ec2
+ )
+ {
+ switch (completion_order[0])
+ {
+ case 0:
+ {
+ std::cout << "descriptor finished: " << ec1 << ", " << n1 << "\n";
+ }
+ break;
+ case 1:
+ {
+ std::cout << "timer finished: " << ec2 << "\n";
+ }
+ break;
+ }
+ }
+ );
+
+ ctx.run();
+}
+
+#else // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
+int main() {}
+#endif // defined(ASIO_HAS_POSIX_STREAM_DESCRIPTOR)
diff --git a/3rdparty/asio/src/examples/cpp11/porthopper/client.cpp b/3rdparty/asio/src/examples/cpp11/porthopper/client.cpp
new file mode 100644
index 00000000000..e0936128d72
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/porthopper/client.cpp
@@ -0,0 +1,188 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <algorithm>
+#include <cstdlib>
+#include <exception>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <utility>
+#include "protocol.hpp"
+
+using asio::ip::tcp;
+using asio::ip::udp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: client <host> <port>\n";
+ return 1;
+ }
+ using namespace std; // For atoi.
+ std::string host_name = argv[1];
+ std::string port = argv[2];
+
+ asio::io_context io_context;
+
+ // Determine the location of the server.
+ tcp::resolver resolver(io_context);
+ tcp::endpoint remote_endpoint = *resolver.resolve(host_name, port).begin();
+
+ // Establish the control connection to the server.
+ tcp::socket control_socket(io_context);
+ control_socket.connect(remote_endpoint);
+
+ // Create a datagram socket to receive data from the server.
+ udp::socket data_socket(io_context, udp::endpoint(udp::v4(), 0));
+
+ // Determine what port we will receive data on.
+ udp::endpoint data_endpoint = data_socket.local_endpoint();
+
+ // Ask the server to start sending us data.
+ control_request start = control_request::start(data_endpoint.port());
+ asio::write(control_socket, start.to_buffers());
+
+ unsigned long last_frame_number = 0;
+ for (;;)
+ {
+ // Receive 50 messages on the current data socket.
+ for (int i = 0; i < 50; ++i)
+ {
+ // Receive a frame from the server.
+ frame f;
+ data_socket.receive(f.to_buffers(), 0);
+ if (f.number() > last_frame_number)
+ {
+ last_frame_number = f.number();
+ std::cout << "\n" << f.payload();
+ }
+ }
+
+ // Time to switch to a new socket. To ensure seamless handover we will
+ // continue to receive packets using the old socket until data arrives on
+ // the new one.
+ std::cout << " Starting renegotiation";
+
+ // Create the new data socket.
+ udp::socket new_data_socket(io_context, udp::endpoint(udp::v4(), 0));
+
+ // Determine the new port we will use to receive data.
+ udp::endpoint new_data_endpoint = new_data_socket.local_endpoint();
+
+ // Ask the server to switch over to the new port.
+ control_request change = control_request::change(
+ data_endpoint.port(), new_data_endpoint.port());
+ std::error_code control_result;
+ asio::async_write(control_socket, change.to_buffers(),
+ [&](std::error_code ec, std::size_t /*length*/)
+ {
+ control_result = ec;
+ });
+
+ // Try to receive a frame from the server on the new data socket. If we
+ // successfully receive a frame on this new data socket we can consider
+ // the renegotation complete. In that case we will close the old data
+ // socket, which will cause any outstanding receive operation on it to be
+ // cancelled.
+ frame f1;
+ std::error_code new_data_socket_result;
+ new_data_socket.async_receive(f1.to_buffers(),
+ [&](std::error_code ec, std::size_t /*length*/)
+ {
+ new_data_socket_result = ec;
+ if (!ec)
+ {
+ // We have successfully received a frame on the new data socket,
+ // so we can close the old data socket. This will cancel any
+ // outstanding receive operation on the old data socket.
+ data_socket.close();
+ }
+ });
+
+ // This loop will continue until we have successfully completed the
+ // renegotiation (i.e. received a frame on the new data socket), or some
+ // unrecoverable error occurs.
+ bool done = false;
+ while (!done)
+ {
+ // Even though we're performing a renegotation, we want to continue
+ // receiving data as smoothly as possible. Therefore we will continue to
+ // try to receive a frame from the server on the old data socket. If we
+ // receive a frame on this socket we will interrupt the io_context,
+ // print the frame, and resume waiting for the other operations to
+ // complete.
+ frame f2;
+ done = true; // Let's be optimistic.
+ if (data_socket.is_open()) // May have been closed by receive handler.
+ {
+ data_socket.async_receive(f2.to_buffers(), 0,
+ [&](std::error_code ec, std::size_t /*length*/)
+ {
+ if (!ec)
+ {
+ // We have successfully received a frame on the old data
+ // socket. Stop the io_context so that we can print it.
+ io_context.stop();
+ done = false;
+ }
+ });
+ }
+
+ // Run the operations in parallel. This will block until all operations
+ // have finished, or until the io_context is interrupted. (No threads!)
+ io_context.restart();
+ io_context.run();
+
+ // If the io_context.run() was interrupted then we have received a frame
+ // on the old data socket. We need to keep waiting for the renegotation
+ // operations to complete.
+ if (!done)
+ {
+ if (f2.number() > last_frame_number)
+ {
+ last_frame_number = f2.number();
+ std::cout << "\n" << f2.payload();
+ }
+ }
+ }
+
+ // Since the loop has finished, we have either successfully completed
+ // the renegotation, or an error has occurred. First we'll check for
+ // errors.
+ if (control_result)
+ throw std::system_error(control_result);
+ if (new_data_socket_result)
+ throw std::system_error(new_data_socket_result);
+
+ // If we get here it means we have successfully started receiving data on
+ // the new data socket. This new data socket will be used from now on
+ // (until the next time we renegotiate).
+ std::cout << " Renegotiation complete";
+ data_socket = std::move(new_data_socket);
+ data_endpoint = new_data_endpoint;
+ if (f1.number() > last_frame_number)
+ {
+ last_frame_number = f1.number();
+ std::cout << "\n" << f1.payload();
+ }
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/porthopper/protocol.hpp b/3rdparty/asio/src/examples/cpp11/porthopper/protocol.hpp
new file mode 100644
index 00000000000..46f9938cad5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/porthopper/protocol.hpp
@@ -0,0 +1,156 @@
+//
+// protocol.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef PORTHOPPER_PROTOCOL_HPP
+#define PORTHOPPER_PROTOCOL_HPP
+
+#include <asio.hpp>
+#include <array>
+#include <cstring>
+#include <iomanip>
+#include <string>
+#include <strstream>
+
+// This request is sent by the client to the server over a TCP connection.
+// The client uses it to perform three functions:
+// - To request that data start being sent to a given port.
+// - To request that data is no longer sent to a given port.
+// - To change the target port to another.
+class control_request
+{
+public:
+ // Construct an empty request. Used when receiving.
+ control_request()
+ {
+ }
+
+ // Create a request to start sending data to a given port.
+ static const control_request start(unsigned short port)
+ {
+ return control_request(0, port);
+ }
+
+ // Create a request to stop sending data to a given port.
+ static const control_request stop(unsigned short port)
+ {
+ return control_request(port, 0);
+ }
+
+ // Create a request to change the port that data is sent to.
+ static const control_request change(
+ unsigned short old_port, unsigned short new_port)
+ {
+ return control_request(old_port, new_port);
+ }
+
+ // Get the old port. Returns 0 for start requests.
+ unsigned short old_port() const
+ {
+ std::istrstream is(data_, encoded_port_size);
+ unsigned short port = 0;
+ is >> std::setw(encoded_port_size) >> std::hex >> port;
+ return port;
+ }
+
+ // Get the new port. Returns 0 for stop requests.
+ unsigned short new_port() const
+ {
+ std::istrstream is(data_ + encoded_port_size, encoded_port_size);
+ unsigned short port = 0;
+ is >> std::setw(encoded_port_size) >> std::hex >> port;
+ return port;
+ }
+
+ // Obtain buffers for reading from or writing to a socket.
+ std::array<asio::mutable_buffer, 1> to_buffers()
+ {
+ std::array<asio::mutable_buffer, 1> buffers
+ = { { asio::buffer(data_) } };
+ return buffers;
+ }
+
+private:
+ // Construct with specified old and new ports.
+ control_request(unsigned short old_port_number,
+ unsigned short new_port_number)
+ {
+ std::ostrstream os(data_, control_request_size);
+ os << std::setw(encoded_port_size) << std::hex << old_port_number;
+ os << std::setw(encoded_port_size) << std::hex << new_port_number;
+ }
+
+ // The length in bytes of a control_request and its components.
+ enum
+ {
+ encoded_port_size = 4, // 16-bit port in hex.
+ control_request_size = encoded_port_size * 2
+ };
+
+ // The encoded request data.
+ char data_[control_request_size];
+};
+
+// This frame is sent from the server to subscribed clients over UDP.
+class frame
+{
+public:
+ // The maximum allowable length of the payload.
+ enum { payload_size = 32 };
+
+ // Construct an empty frame. Used when receiving.
+ frame()
+ {
+ }
+
+ // Construct a frame with specified frame number and payload.
+ frame(unsigned long frame_number, const std::string& payload_data)
+ {
+ std::ostrstream os(data_, frame_size);
+ os << std::setw(encoded_number_size) << std::hex << frame_number;
+ os << std::setw(payload_size)
+ << std::setfill(' ') << payload_data.substr(0, payload_size);
+ }
+
+ // Get the frame number.
+ unsigned long number() const
+ {
+ std::istrstream is(data_, encoded_number_size);
+ unsigned long frame_number = 0;
+ is >> std::setw(encoded_number_size) >> std::hex >> frame_number;
+ return frame_number;
+ }
+
+ // Get the payload data.
+ const std::string payload() const
+ {
+ return std::string(data_ + encoded_number_size, payload_size);
+ }
+
+ // Obtain buffers for reading from or writing to a socket.
+ std::array<asio::mutable_buffer, 1> to_buffers()
+ {
+ std::array<asio::mutable_buffer, 1> buffers
+ = { { asio::buffer(data_) } };
+ return buffers;
+ }
+
+private:
+ // The length in bytes of a frame and its components.
+ enum
+ {
+ encoded_number_size = 8, // Frame number in hex.
+ frame_size = encoded_number_size + payload_size
+ };
+
+ // The encoded frame data.
+ char data_[frame_size];
+};
+
+#endif // PORTHOPPER_PROTOCOL_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/porthopper/server.cpp b/3rdparty/asio/src/examples/cpp11/porthopper/server.cpp
new file mode 100644
index 00000000000..4a77622e593
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/porthopper/server.cpp
@@ -0,0 +1,187 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <cmath>
+#include <cstdlib>
+#include <exception>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <set>
+#include "protocol.hpp"
+
+using asio::ip::tcp;
+using asio::ip::udp;
+
+typedef std::shared_ptr<tcp::socket> tcp_socket_ptr;
+typedef std::shared_ptr<asio::steady_timer> timer_ptr;
+typedef std::shared_ptr<control_request> control_request_ptr;
+
+class server
+{
+public:
+ // Construct the server to wait for incoming control connections.
+ server(asio::io_context& io_context, unsigned short port)
+ : acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
+ timer_(io_context),
+ udp_socket_(io_context, udp::endpoint(udp::v4(), 0)),
+ next_frame_number_(1)
+ {
+ // Start waiting for a new control connection.
+ tcp_socket_ptr new_socket(new tcp::socket(acceptor_.get_executor()));
+ acceptor_.async_accept(*new_socket,
+ std::bind(&server::handle_accept, this,
+ asio::placeholders::error, new_socket));
+
+ // Start the timer used to generate outgoing frames.
+ timer_.expires_after(asio::chrono::milliseconds(100));
+ timer_.async_wait(std::bind(&server::handle_timer, this));
+ }
+
+ // Handle a new control connection.
+ void handle_accept(const std::error_code& ec, tcp_socket_ptr socket)
+ {
+ if (!ec)
+ {
+ // Start receiving control requests on the connection.
+ control_request_ptr request(new control_request);
+ asio::async_read(*socket, request->to_buffers(),
+ std::bind(&server::handle_control_request, this,
+ asio::placeholders::error, socket, request));
+ }
+
+ // Start waiting for a new control connection.
+ tcp_socket_ptr new_socket(new tcp::socket(acceptor_.get_executor()));
+ acceptor_.async_accept(*new_socket,
+ std::bind(&server::handle_accept, this,
+ asio::placeholders::error, new_socket));
+ }
+
+ // Handle a new control request.
+ void handle_control_request(const std::error_code& ec,
+ tcp_socket_ptr socket, control_request_ptr request)
+ {
+ if (!ec)
+ {
+ // Delay handling of the control request to simulate network latency.
+ timer_ptr delay_timer(
+ new asio::steady_timer(acceptor_.get_executor()));
+ delay_timer->expires_after(asio::chrono::seconds(2));
+ delay_timer->async_wait(
+ std::bind(&server::handle_control_request_timer, this,
+ socket, request, delay_timer));
+ }
+ }
+
+ void handle_control_request_timer(tcp_socket_ptr socket,
+ control_request_ptr request, timer_ptr /*delay_timer*/)
+ {
+ // Determine what address this client is connected from, since
+ // subscriptions must be stored on the server as a complete endpoint, not
+ // just a port. We use the non-throwing overload of remote_endpoint() since
+ // it may fail if the socket is no longer connected.
+ std::error_code ec;
+ tcp::endpoint remote_endpoint = socket->remote_endpoint(ec);
+ if (!ec)
+ {
+ // Remove old port subscription, if any.
+ if (unsigned short old_port = request->old_port())
+ {
+ udp::endpoint old_endpoint(remote_endpoint.address(), old_port);
+ subscribers_.erase(old_endpoint);
+ std::cout << "Removing subscription " << old_endpoint << std::endl;
+ }
+
+ // Add new port subscription, if any.
+ if (unsigned short new_port = request->new_port())
+ {
+ udp::endpoint new_endpoint(remote_endpoint.address(), new_port);
+ subscribers_.insert(new_endpoint);
+ std::cout << "Adding subscription " << new_endpoint << std::endl;
+ }
+ }
+
+ // Wait for next control request on this connection.
+ asio::async_read(*socket, request->to_buffers(),
+ std::bind(&server::handle_control_request, this,
+ asio::placeholders::error, socket, request));
+ }
+
+ // Every time the timer fires we will generate a new frame and send it to all
+ // subscribers.
+ void handle_timer()
+ {
+ // Generate payload.
+ double x = next_frame_number_ * 0.2;
+ double y = std::sin(x);
+ int char_index = static_cast<int>((y + 1.0) * (frame::payload_size / 2));
+ std::string payload;
+ for (int i = 0; i < frame::payload_size; ++i)
+ payload += (i == char_index ? '*' : '.');
+
+ // Create the frame to be sent to all subscribers.
+ frame f(next_frame_number_++, payload);
+
+ // Send frame to all subscribers. We can use synchronous calls here since
+ // UDP send operations typically do not block.
+ std::set<udp::endpoint>::iterator j;
+ for (j = subscribers_.begin(); j != subscribers_.end(); ++j)
+ {
+ std::error_code ec;
+ udp_socket_.send_to(f.to_buffers(), *j, 0, ec);
+ }
+
+ // Wait for next timeout.
+ timer_.expires_after(asio::chrono::milliseconds(100));
+ timer_.async_wait(std::bind(&server::handle_timer, this));
+ }
+
+private:
+ // The acceptor used to accept incoming control connections.
+ tcp::acceptor acceptor_;
+
+ // The timer used for generating data.
+ asio::steady_timer timer_;
+
+ // The socket used to send data to subscribers.
+ udp::socket udp_socket_;
+
+ // The next frame number.
+ unsigned long next_frame_number_;
+
+ // The set of endpoints that are subscribed.
+ std::set<udp::endpoint> subscribers_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: server <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ using namespace std; // For atoi.
+ server s(io_context, atoi(argv[1]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/serialization/client.cpp b/3rdparty/asio/src/examples/cpp11/serialization/client.cpp
new file mode 100644
index 00000000000..10ec87f6da4
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/serialization/client.cpp
@@ -0,0 +1,125 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <functional>
+#include <iostream>
+#include <vector>
+#include "connection.hpp" // Must come before boost/serialization headers.
+#include <boost/serialization/vector.hpp>
+#include "stock.hpp"
+
+namespace s11n_example {
+
+/// Downloads stock quote information from a server.
+class client
+{
+public:
+ /// Constructor starts the asynchronous connect operation.
+ client(asio::io_context& io_context,
+ const std::string& host, const std::string& service)
+ : connection_(io_context.get_executor())
+ {
+ // Resolve the host name into an IP address.
+ asio::ip::tcp::resolver resolver(io_context);
+ asio::ip::tcp::resolver::query query(host, service);
+ asio::ip::tcp::resolver::iterator endpoint_iterator =
+ resolver.resolve(query);
+
+ // Start an asynchronous connect operation.
+ asio::async_connect(connection_.socket(), endpoint_iterator,
+ std::bind(&client::handle_connect, this,
+ asio::placeholders::error));
+ }
+
+ /// Handle completion of a connect operation.
+ void handle_connect(const asio::error_code& e)
+ {
+ if (!e)
+ {
+ // Successfully established connection. Start operation to read the list
+ // of stocks. The connection::async_read() function will automatically
+ // decode the data that is read from the underlying socket.
+ connection_.async_read(stocks_,
+ std::bind(&client::handle_read, this,
+ asio::placeholders::error));
+ }
+ else
+ {
+ // An error occurred. Log it and return. Since we are not starting a new
+ // operation the io_context will run out of work to do and the client will
+ // exit.
+ std::cerr << e.message() << std::endl;
+ }
+ }
+
+ /// Handle completion of a read operation.
+ void handle_read(const asio::error_code& e)
+ {
+ if (!e)
+ {
+ // Print out the data that was received.
+ for (std::size_t i = 0; i < stocks_.size(); ++i)
+ {
+ std::cout << "Stock number " << i << "\n";
+ std::cout << " code: " << stocks_[i].code << "\n";
+ std::cout << " name: " << stocks_[i].name << "\n";
+ std::cout << " open_price: " << stocks_[i].open_price << "\n";
+ std::cout << " high_price: " << stocks_[i].high_price << "\n";
+ std::cout << " low_price: " << stocks_[i].low_price << "\n";
+ std::cout << " last_price: " << stocks_[i].last_price << "\n";
+ std::cout << " buy_price: " << stocks_[i].buy_price << "\n";
+ std::cout << " buy_quantity: " << stocks_[i].buy_quantity << "\n";
+ std::cout << " sell_price: " << stocks_[i].sell_price << "\n";
+ std::cout << " sell_quantity: " << stocks_[i].sell_quantity << "\n";
+ }
+ }
+ else
+ {
+ // An error occurred.
+ std::cerr << e.message() << std::endl;
+ }
+
+ // Since we are not starting a new operation the io_context will run out of
+ // work to do and the client will exit.
+ }
+
+private:
+ /// The connection to the server.
+ connection connection_;
+
+ /// The data received from the server.
+ std::vector<stock> stocks_;
+};
+
+} // namespace s11n_example
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ // Check command line arguments.
+ if (argc != 3)
+ {
+ std::cerr << "Usage: client <host> <port>" << std::endl;
+ return 1;
+ }
+
+ asio::io_context io_context;
+ s11n_example::client client(io_context, argv[1], argv[2]);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/serialization/connection.hpp b/3rdparty/asio/src/examples/cpp11/serialization/connection.hpp
new file mode 100644
index 00000000000..14d96f7597b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/serialization/connection.hpp
@@ -0,0 +1,184 @@
+//
+// connection.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SERIALIZATION_CONNECTION_HPP
+#define SERIALIZATION_CONNECTION_HPP
+
+#include <asio.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <functional>
+#include <iomanip>
+#include <memory>
+#include <string>
+#include <sstream>
+#include <tuple>
+#include <vector>
+
+namespace s11n_example {
+
+/// The connection class provides serialization primitives on top of a socket.
+/**
+ * Each message sent using this class consists of:
+ * @li An 8-byte header containing the length of the serialized data in
+ * hexadecimal.
+ * @li The serialized data.
+ */
+class connection
+{
+public:
+ /// Constructor.
+ connection(const asio::any_io_executor& ex)
+ : socket_(ex)
+ {
+ }
+
+ /// Get the underlying socket. Used for making a connection or for accepting
+ /// an incoming connection.
+ asio::ip::tcp::socket& socket()
+ {
+ return socket_;
+ }
+
+ /// Asynchronously write a data structure to the socket.
+ template <typename T, typename Handler>
+ void async_write(const T& t, Handler handler)
+ {
+ // Serialize the data first so we know how large it is.
+ std::ostringstream archive_stream;
+ boost::archive::text_oarchive archive(archive_stream);
+ archive << t;
+ outbound_data_ = archive_stream.str();
+
+ // Format the header.
+ std::ostringstream header_stream;
+ header_stream << std::setw(header_length)
+ << std::hex << outbound_data_.size();
+ if (!header_stream || header_stream.str().size() != header_length)
+ {
+ // Something went wrong, inform the caller.
+ std::error_code error(asio::error::invalid_argument);
+ asio::post(socket_.get_executor(), std::bind(handler, error));
+ return;
+ }
+ outbound_header_ = header_stream.str();
+
+ // Write the serialized data to the socket. We use "gather-write" to send
+ // both the header and the data in a single write operation.
+ std::vector<asio::const_buffer> buffers;
+ buffers.push_back(asio::buffer(outbound_header_));
+ buffers.push_back(asio::buffer(outbound_data_));
+ asio::async_write(socket_, buffers, handler);
+ }
+
+ /// Asynchronously read a data structure from the socket.
+ template <typename T, typename Handler>
+ void async_read(T& t, Handler handler)
+ {
+ // Issue a read operation to read exactly the number of bytes in a header.
+ void (connection::*f)(const std::error_code&, T&, std::tuple<Handler>)
+ = &connection::handle_read_header<T, Handler>;
+ asio::async_read(socket_, asio::buffer(inbound_header_),
+ std::bind(f,
+ this, asio::placeholders::error, std::ref(t),
+ std::make_tuple(handler)));
+ }
+
+ /// Handle a completed read of a message header.
+ template <typename T, typename Handler>
+ void handle_read_header(const std::error_code& e,
+ T& t, std::tuple<Handler> handler)
+ {
+ if (e)
+ {
+ std::get<0>(handler)(e);
+ }
+ else
+ {
+ // Determine the length of the serialized data.
+ std::istringstream is(std::string(inbound_header_, header_length));
+ std::size_t inbound_data_size = 0;
+ if (!(is >> std::hex >> inbound_data_size))
+ {
+ // Header doesn't seem to be valid. Inform the caller.
+ std::error_code error(asio::error::invalid_argument);
+ std::get<0>(handler)(error);
+ return;
+ }
+
+ // Start an asynchronous call to receive the data.
+ inbound_data_.resize(inbound_data_size);
+ void (connection::*f)(
+ const std::error_code&,
+ T&, std::tuple<Handler>)
+ = &connection::handle_read_data<T, Handler>;
+ asio::async_read(socket_, asio::buffer(inbound_data_),
+ std::bind(f, this,
+ asio::placeholders::error, std::ref(t), handler));
+ }
+ }
+
+ /// Handle a completed read of message data.
+ template <typename T, typename Handler>
+ void handle_read_data(const std::error_code& e,
+ T& t, std::tuple<Handler> handler)
+ {
+ if (e)
+ {
+ std::get<0>(handler)(e);
+ }
+ else
+ {
+ // Extract the data structure from the data just received.
+ try
+ {
+ std::string archive_data(&inbound_data_[0], inbound_data_.size());
+ std::istringstream archive_stream(archive_data);
+ boost::archive::text_iarchive archive(archive_stream);
+ archive >> t;
+ }
+ catch (std::exception& e)
+ {
+ // Unable to decode data.
+ std::error_code error(asio::error::invalid_argument);
+ std::get<0>(handler)(error);
+ return;
+ }
+
+ // Inform caller that data has been received ok.
+ std::get<0>(handler)(e);
+ }
+ }
+
+private:
+ /// The underlying socket.
+ asio::ip::tcp::socket socket_;
+
+ /// The size of a fixed length header.
+ enum { header_length = 8 };
+
+ /// Holds an outbound header.
+ std::string outbound_header_;
+
+ /// Holds the outbound data.
+ std::string outbound_data_;
+
+ /// Holds an inbound header.
+ char inbound_header_[header_length];
+
+ /// Holds the inbound data.
+ std::vector<char> inbound_data_;
+};
+
+typedef std::shared_ptr<connection> connection_ptr;
+
+} // namespace s11n_example
+
+#endif // SERIALIZATION_CONNECTION_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/serialization/server.cpp b/3rdparty/asio/src/examples/cpp11/serialization/server.cpp
new file mode 100644
index 00000000000..a032e86dc78
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/serialization/server.cpp
@@ -0,0 +1,122 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <functional>
+#include <iostream>
+#include <vector>
+#include "connection.hpp" // Must come before boost/serialization headers.
+#include <boost/serialization/vector.hpp>
+#include "stock.hpp"
+
+namespace s11n_example {
+
+/// Serves stock quote information to any client that connects to it.
+class server
+{
+public:
+ /// Constructor opens the acceptor and starts waiting for the first incoming
+ /// connection.
+ server(asio::io_context& io_context, unsigned short port)
+ : acceptor_(io_context,
+ asio::ip::tcp::endpoint(asio::ip::tcp::v4(), port))
+ {
+ // Create the data to be sent to each client.
+ stock s;
+ s.code = "ABC";
+ s.name = "A Big Company";
+ s.open_price = 4.56;
+ s.high_price = 5.12;
+ s.low_price = 4.33;
+ s.last_price = 4.98;
+ s.buy_price = 4.96;
+ s.buy_quantity = 1000;
+ s.sell_price = 4.99;
+ s.sell_quantity = 2000;
+ stocks_.push_back(s);
+ s.code = "DEF";
+ s.name = "Developer Entertainment Firm";
+ s.open_price = 20.24;
+ s.high_price = 22.88;
+ s.low_price = 19.50;
+ s.last_price = 19.76;
+ s.buy_price = 19.72;
+ s.buy_quantity = 34000;
+ s.sell_price = 19.85;
+ s.sell_quantity = 45000;
+ stocks_.push_back(s);
+
+ // Start an accept operation for a new connection.
+ connection_ptr new_conn(new connection(acceptor_.get_executor()));
+ acceptor_.async_accept(new_conn->socket(),
+ std::bind(&server::handle_accept, this,
+ asio::placeholders::error, new_conn));
+ }
+
+ /// Handle completion of a accept operation.
+ void handle_accept(const std::error_code& e, connection_ptr conn)
+ {
+ if (!e)
+ {
+ // Successfully accepted a new connection. Send the list of stocks to the
+ // client. The connection::async_write() function will automatically
+ // serialize the data structure for us.
+ conn->async_write(stocks_,
+ std::bind(&server::handle_write, this,
+ asio::placeholders::error, conn));
+ }
+
+ // Start an accept operation for a new connection.
+ connection_ptr new_conn(new connection(acceptor_.get_executor()));
+ acceptor_.async_accept(new_conn->socket(),
+ std::bind(&server::handle_accept, this,
+ asio::placeholders::error, new_conn));
+ }
+
+ /// Handle completion of a write operation.
+ void handle_write(const std::error_code& e, connection_ptr conn)
+ {
+ // Nothing to do. The socket will be closed automatically when the last
+ // reference to the connection object goes away.
+ }
+
+private:
+ /// The acceptor object used to accept incoming socket connections.
+ asio::ip::tcp::acceptor acceptor_;
+
+ /// The data to be sent to each client.
+ std::vector<stock> stocks_;
+};
+
+} // namespace s11n_example
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ // Check command line arguments.
+ if (argc != 2)
+ {
+ std::cerr << "Usage: server <port>" << std::endl;
+ return 1;
+ }
+ unsigned short port = std::stoi(argv[1]);
+
+ asio::io_context io_context;
+ s11n_example::server server(io_context, port);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/serialization/stock.hpp b/3rdparty/asio/src/examples/cpp11/serialization/stock.hpp
new file mode 100644
index 00000000000..bb305518cae
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/serialization/stock.hpp
@@ -0,0 +1,50 @@
+//
+// stock.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SERIALIZATION_STOCK_HPP
+#define SERIALIZATION_STOCK_HPP
+
+#include <string>
+
+namespace s11n_example {
+
+/// Structure to hold information about a single stock.
+struct stock
+{
+ std::string code;
+ std::string name;
+ double open_price;
+ double high_price;
+ double low_price;
+ double last_price;
+ double buy_price;
+ int buy_quantity;
+ double sell_price;
+ int sell_quantity;
+
+ template <typename Archive>
+ void serialize(Archive& ar, const unsigned int version)
+ {
+ ar & code;
+ ar & name;
+ ar & open_price;
+ ar & high_price;
+ ar & low_price;
+ ar & last_price;
+ ar & buy_price;
+ ar & buy_quantity;
+ ar & sell_price;
+ ar & sell_quantity;
+ }
+};
+
+} // namespace s11n_example
+
+#endif // SERIALIZATION_STOCK_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/services/basic_logger.hpp b/3rdparty/asio/src/examples/cpp11/services/basic_logger.hpp
new file mode 100644
index 00000000000..6e4d7a0b05d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/services/basic_logger.hpp
@@ -0,0 +1,78 @@
+//
+// basic_logger.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SERVICES_BASIC_LOGGER_HPP
+#define SERVICES_BASIC_LOGGER_HPP
+
+#include <asio.hpp>
+#include <string>
+
+namespace services {
+
+/// Class to provide simple logging functionality. Use the services::logger
+/// typedef.
+template <typename Service>
+class basic_logger
+{
+public:
+ /// The type of the service that will be used to provide timer operations.
+ typedef Service service_type;
+
+ /// The native implementation type of the timer.
+ typedef typename service_type::impl_type impl_type;
+
+ /// Constructor.
+ /**
+ * This constructor creates a logger.
+ *
+ * @param context The execution context used to locate the logger service.
+ *
+ * @param identifier An identifier for this logger.
+ */
+ explicit basic_logger(asio::execution_context& context,
+ const std::string& identifier)
+ : service_(asio::use_service<Service>(context)),
+ impl_(service_.null())
+ {
+ service_.create(impl_, identifier);
+ }
+
+ basic_logger(const basic_logger&) = delete;
+ basic_logger& operator=(basic_logger&) = delete;
+
+ /// Destructor.
+ ~basic_logger()
+ {
+ service_.destroy(impl_);
+ }
+
+ /// Set the output file for all logger instances.
+ void use_file(const std::string& file)
+ {
+ service_.use_file(impl_, file);
+ }
+
+ /// Log a message.
+ void log(const std::string& message)
+ {
+ service_.log(impl_, message);
+ }
+
+private:
+ /// The backend service implementation.
+ service_type& service_;
+
+ /// The underlying native implementation.
+ impl_type impl_;
+};
+
+} // namespace services
+
+#endif // SERVICES_BASIC_LOGGER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/services/daytime_client.cpp b/3rdparty/asio/src/examples/cpp11/services/daytime_client.cpp
new file mode 100644
index 00000000000..360134f64c2
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/services/daytime_client.cpp
@@ -0,0 +1,101 @@
+//
+// daytime_client.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <functional>
+#include <iostream>
+#include "logger.hpp"
+
+using asio::ip::tcp;
+
+char read_buffer[1024];
+
+void read_handler(const asio::error_code& e,
+ std::size_t bytes_transferred, tcp::socket* s)
+{
+ if (!e)
+ {
+ std::cout.write(read_buffer, bytes_transferred);
+
+ s->async_read_some(asio::buffer(read_buffer),
+ std::bind(read_handler, asio::placeholders::error,
+ asio::placeholders::bytes_transferred, s));
+ }
+ else
+ {
+ asio::execution_context& context = asio::query(
+ s->get_executor(), asio::execution::context);
+ services::logger logger(context, "read_handler");
+
+ std::string msg = "Read error: ";
+ msg += e.message();
+ logger.log(msg);
+ }
+}
+
+void connect_handler(const asio::error_code& e, tcp::socket* s)
+{
+ asio::execution_context& context = asio::query(
+ s->get_executor(), asio::execution::context);
+ services::logger logger(context, "connect_handler");
+
+ if (!e)
+ {
+ logger.log("Connection established");
+
+ s->async_read_some(asio::buffer(read_buffer),
+ std::bind(read_handler, asio::placeholders::error,
+ asio::placeholders::bytes_transferred, s));
+ }
+ else
+ {
+ std::string msg = "Unable to establish connection: ";
+ msg += e.message();
+ logger.log(msg);
+ }
+}
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: daytime_client <host>" << std::endl;
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ // Set the name of the file that all logger instances will use.
+ services::logger logger(io_context, "");
+ logger.use_file("log.txt");
+
+ // Resolve the address corresponding to the given host.
+ tcp::resolver resolver(io_context);
+ tcp::resolver::results_type endpoints =
+ resolver.resolve(argv[1], "daytime");
+
+ // Start an asynchronous connect.
+ tcp::socket socket(io_context);
+ asio::async_connect(socket, endpoints,
+ std::bind(connect_handler,
+ asio::placeholders::error, &socket));
+
+ // Run the io_context until all operations have finished.
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/services/logger.hpp b/3rdparty/asio/src/examples/cpp11/services/logger.hpp
new file mode 100644
index 00000000000..2ab366c83c6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/services/logger.hpp
@@ -0,0 +1,24 @@
+//
+// logger.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SERVICES_LOGGER_HPP
+#define SERVICES_LOGGER_HPP
+
+#include "basic_logger.hpp"
+#include "logger_service.hpp"
+
+namespace services {
+
+/// Typedef for typical logger usage.
+typedef basic_logger<logger_service> logger;
+
+} // namespace services
+
+#endif // SERVICES_LOGGER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/services/logger_service.cpp b/3rdparty/asio/src/examples/cpp11/services/logger_service.cpp
new file mode 100644
index 00000000000..74d67c75241
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/services/logger_service.cpp
@@ -0,0 +1,11 @@
+//
+// logger_service.cpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "logger_service.hpp"
diff --git a/3rdparty/asio/src/examples/cpp11/services/logger_service.hpp b/3rdparty/asio/src/examples/cpp11/services/logger_service.hpp
new file mode 100644
index 00000000000..d0beaf1d6c2
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/services/logger_service.hpp
@@ -0,0 +1,145 @@
+//
+// logger_service.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SERVICES_LOGGER_SERVICE_HPP
+#define SERVICES_LOGGER_SERVICE_HPP
+
+#include <asio.hpp>
+#include <functional>
+#include <fstream>
+#include <sstream>
+#include <string>
+#include <thread>
+
+namespace services {
+
+/// Service implementation for the logger.
+class logger_service
+ : public asio::execution_context::service
+{
+public:
+ /// The type used to identify this service in the execution context.
+ typedef logger_service key_type;
+
+ /// The backend implementation of a logger.
+ struct logger_impl
+ {
+ explicit logger_impl(const std::string& ident) : identifier(ident) {}
+ std::string identifier;
+ };
+
+ /// The type for an implementation of the logger.
+ typedef logger_impl* impl_type;
+
+ /// Constructor creates a thread to run a private io_context.
+ logger_service(asio::execution_context& context)
+ : asio::execution_context::service(context),
+ work_io_context_(),
+ work_(asio::make_work_guard(work_io_context_)),
+ work_thread_([this]{ work_io_context_.run(); })
+ {
+ }
+
+ logger_service(const logger_service&) = delete;
+ logger_service& operator=(const logger_service&) = delete;;
+
+ /// Destructor shuts down the private io_context.
+ ~logger_service()
+ {
+ /// Indicate that we have finished with the private io_context. Its
+ /// io_context::run() function will exit once all other work has completed.
+ work_.reset();
+ if (work_thread_.joinable())
+ work_thread_.join();
+ }
+
+ /// Destroy all user-defined handler objects owned by the service.
+ void shutdown()
+ {
+ }
+
+ /// Return a null logger implementation.
+ impl_type null() const
+ {
+ return 0;
+ }
+
+ /// Create a new logger implementation.
+ void create(impl_type& impl, const std::string& identifier)
+ {
+ impl = new logger_impl(identifier);
+ }
+
+ /// Destroy a logger implementation.
+ void destroy(impl_type& impl)
+ {
+ delete impl;
+ impl = null();
+ }
+
+ /// Set the output file for the logger. The current implementation sets the
+ /// output file for all logger instances, and so the impl parameter is not
+ /// actually needed. It is retained here to illustrate how service functions
+ /// are typically defined.
+ void use_file(impl_type& /*impl*/, const std::string& file)
+ {
+ // Pass the work of opening the file to the background thread.
+ asio::post(work_io_context_,
+ std::bind(&logger_service::use_file_impl, this, file));
+ }
+
+ /// Log a message.
+ void log(impl_type& impl, const std::string& message)
+ {
+ // Format the text to be logged.
+ std::ostringstream os;
+ os << impl->identifier << ": " << message;
+
+ // Pass the work of writing to the file to the background thread.
+ asio::post(work_io_context_,
+ std::bind(&logger_service::log_impl, this, os.str()));
+ }
+
+private:
+ /// Helper function used to open the output file from within the private
+ /// io_context's thread.
+ void use_file_impl(const std::string& file)
+ {
+ ofstream_.close();
+ ofstream_.clear();
+ ofstream_.open(file.c_str());
+ }
+
+ /// Helper function used to log a message from within the private io_context's
+ /// thread.
+ void log_impl(const std::string& text)
+ {
+ ofstream_ << text << std::endl;
+ }
+
+ /// Private io_context used for performing logging operations.
+ asio::io_context work_io_context_;
+
+ /// Work for the private io_context to perform. If we do not give the
+ /// io_context some work to do then the io_context::run() function will exit
+ /// immediately.
+ asio::executor_work_guard<
+ asio::io_context::executor_type> work_;
+
+ /// Thread used for running the work io_context's run loop.
+ std::thread work_thread_;
+
+ /// The file to which log messages will be written.
+ std::ofstream ofstream_;
+};
+
+} // namespace services
+
+#endif // SERVICES_LOGGER_SERVICE_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/socks4/socks4.hpp b/3rdparty/asio/src/examples/cpp11/socks4/socks4.hpp
new file mode 100644
index 00000000000..ed7994021fc
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/socks4/socks4.hpp
@@ -0,0 +1,143 @@
+//
+// socks4.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SOCKS4_HPP
+#define SOCKS4_HPP
+
+#include <array>
+#include <string>
+#include <asio/buffer.hpp>
+#include <asio/ip/tcp.hpp>
+
+namespace socks4 {
+
+const unsigned char version = 0x04;
+
+class request
+{
+public:
+ enum command_type
+ {
+ connect = 0x01,
+ bind = 0x02
+ };
+
+ request(command_type cmd, const asio::ip::tcp::endpoint& endpoint,
+ const std::string& user_id)
+ : version_(version),
+ command_(cmd),
+ user_id_(user_id),
+ null_byte_(0)
+ {
+ // Only IPv4 is supported by the SOCKS 4 protocol.
+ if (endpoint.protocol() != asio::ip::tcp::v4())
+ {
+ throw std::system_error(
+ asio::error::address_family_not_supported);
+ }
+
+ // Convert port number to network byte order.
+ unsigned short port = endpoint.port();
+ port_high_byte_ = (port >> 8) & 0xff;
+ port_low_byte_ = port & 0xff;
+
+ // Save IP address in network byte order.
+ address_ = endpoint.address().to_v4().to_bytes();
+ }
+
+ std::array<asio::const_buffer, 7> buffers() const
+ {
+ return
+ {
+ {
+ asio::buffer(&version_, 1),
+ asio::buffer(&command_, 1),
+ asio::buffer(&port_high_byte_, 1),
+ asio::buffer(&port_low_byte_, 1),
+ asio::buffer(address_),
+ asio::buffer(user_id_),
+ asio::buffer(&null_byte_, 1)
+ }
+ };
+ }
+
+private:
+ unsigned char version_;
+ unsigned char command_;
+ unsigned char port_high_byte_;
+ unsigned char port_low_byte_;
+ asio::ip::address_v4::bytes_type address_;
+ std::string user_id_;
+ unsigned char null_byte_;
+};
+
+class reply
+{
+public:
+ enum status_type
+ {
+ request_granted = 0x5a,
+ request_failed = 0x5b,
+ request_failed_no_identd = 0x5c,
+ request_failed_bad_user_id = 0x5d
+ };
+
+ reply()
+ : null_byte_(0),
+ status_()
+ {
+ }
+
+ std::array<asio::mutable_buffer, 5> buffers()
+ {
+ return
+ {
+ {
+ asio::buffer(&null_byte_, 1),
+ asio::buffer(&status_, 1),
+ asio::buffer(&port_high_byte_, 1),
+ asio::buffer(&port_low_byte_, 1),
+ asio::buffer(address_)
+ }
+ };
+ }
+
+ bool success() const
+ {
+ return null_byte_ == 0 && status_ == request_granted;
+ }
+
+ unsigned char status() const
+ {
+ return status_;
+ }
+
+ asio::ip::tcp::endpoint endpoint() const
+ {
+ unsigned short port = port_high_byte_;
+ port = (port << 8) & 0xff00;
+ port = port | port_low_byte_;
+
+ asio::ip::address_v4 address(address_);
+
+ return asio::ip::tcp::endpoint(address, port);
+ }
+
+private:
+ unsigned char null_byte_;
+ unsigned char status_;
+ unsigned char port_high_byte_;
+ unsigned char port_low_byte_;
+ asio::ip::address_v4::bytes_type address_;
+};
+
+} // namespace socks4
+
+#endif // SOCKS4_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp b/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp
new file mode 100644
index 00000000000..f661aca8da5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/socks4/sync_client.cpp
@@ -0,0 +1,94 @@
+//
+// sync_client.cpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <iomanip>
+#include <ostream>
+#include <string>
+#include <asio.hpp>
+#include "socks4.hpp"
+
+using asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 4)
+ {
+ std::cout << "Usage: sync_client <socks4server> <socks4port> <user>\n";
+ std::cout << "Examples:\n";
+ std::cout << " sync_client 127.0.0.1 1080 chris\n";
+ std::cout << " sync_client localhost socks chris\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ // Get a list of endpoints corresponding to the SOCKS 4 server name.
+ tcp::resolver resolver(io_context);
+ auto endpoints = resolver.resolve(argv[1], argv[2]);
+
+ // Try each endpoint until we successfully establish a connection to the
+ // SOCKS 4 server.
+ tcp::socket socket(io_context);
+ asio::connect(socket, endpoints);
+
+ // Get an endpoint for the Boost website. This will be passed to the SOCKS
+ // 4 server. Explicitly specify IPv4 since SOCKS 4 does not support IPv6.
+ auto http_endpoint =
+ *resolver.resolve(tcp::v4(), "www.boost.org", "http").begin();
+
+ // Send the request to the SOCKS 4 server.
+ socks4::request socks_request(
+ socks4::request::connect, http_endpoint, argv[3]);
+ asio::write(socket, socks_request.buffers());
+
+ // Receive a response from the SOCKS 4 server.
+ socks4::reply socks_reply;
+ asio::read(socket, socks_reply.buffers());
+
+ // Check whether we successfully negotiated with the SOCKS 4 server.
+ if (!socks_reply.success())
+ {
+ std::cout << "Connection failed.\n";
+ std::cout << "status = 0x" << std::hex << socks_reply.status();
+ return 1;
+ }
+
+ // Form the HTTP request. We specify the "Connection: close" header so that
+ // the server will close the socket after transmitting the response. This
+ // will allow us to treat all data up until the EOF as the response.
+ std::string request =
+ "GET / HTTP/1.0\r\n"
+ "Host: www.boost.org\r\n"
+ "Accept: */*\r\n"
+ "Connection: close\r\n\r\n";
+
+ // Send the HTTP request.
+ asio::write(socket, asio::buffer(request));
+
+ // Read until EOF, writing data to output as we go.
+ std::array<char, 512> response;
+ std::error_code error;
+ while (std::size_t s = socket.read_some(
+ asio::buffer(response), error))
+ std::cout.write(response.data(), s);
+ if (error != asio::error::eof)
+ throw std::system_error(error);
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/spawn/.gitignore b/3rdparty/asio/src/examples/cpp11/spawn/.gitignore
deleted file mode 100644
index 6b8a121e099..00000000000
--- a/3rdparty/asio/src/examples/cpp11/spawn/.gitignore
+++ /dev/null
@@ -1,12 +0,0 @@
-.deps
-.dirstamp
-parallel_grep
-*.o
-*.obj
-*.exe
-*_server
-*_client
-*.ilk
-*.manifest
-*.pdb
-*.tds
diff --git a/3rdparty/asio/src/examples/cpp11/spawn/echo_server.cpp b/3rdparty/asio/src/examples/cpp11/spawn/echo_server.cpp
index 5397a4efe22..ae949d60bef 100644
--- a/3rdparty/asio/src/examples/cpp11/spawn/echo_server.cpp
+++ b/3rdparty/asio/src/examples/cpp11/spawn/echo_server.cpp
@@ -2,12 +2,13 @@
// echo_server.cpp
// ~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
+#include <asio/detached.hpp>
#include <asio/io_context.hpp>
#include <asio/ip/tcp.hpp>
#include <asio/spawn.hpp>
@@ -21,10 +22,10 @@ using asio::ip::tcp;
class session : public std::enable_shared_from_this<session>
{
public:
- explicit session(tcp::socket socket)
+ explicit session(asio::io_context& io_context, tcp::socket socket)
: socket_(std::move(socket)),
- timer_(socket_.get_io_context()),
- strand_(socket_.get_io_context())
+ timer_(io_context),
+ strand_(io_context.get_executor())
{
}
@@ -39,7 +40,7 @@ public:
char data[128];
for (;;)
{
- timer_.expires_from_now(std::chrono::seconds(10));
+ timer_.expires_after(std::chrono::seconds(10));
std::size_t n = socket_.async_read_some(asio::buffer(data), yield);
asio::async_write(socket_, asio::buffer(data, n), yield);
}
@@ -49,25 +50,25 @@ public:
socket_.close();
timer_.cancel();
}
- });
+ }, asio::detached);
asio::spawn(strand_,
[this, self](asio::yield_context yield)
{
while (socket_.is_open())
{
- asio::error_code ignored_ec;
+ std::error_code ignored_ec;
timer_.async_wait(yield[ignored_ec]);
- if (timer_.expires_from_now() <= std::chrono::seconds(0))
+ if (timer_.expiry() <= asio::steady_timer::clock_type::now())
socket_.close();
}
- });
+ }, asio::detached);
}
private:
tcp::socket socket_;
asio::steady_timer timer_;
- asio::io_context::strand strand_;
+ asio::strand<asio::io_context::executor_type> strand_;
};
int main(int argc, char* argv[])
@@ -90,11 +91,19 @@ int main(int argc, char* argv[])
for (;;)
{
- asio::error_code ec;
+ std::error_code ec;
tcp::socket socket(io_context);
acceptor.async_accept(socket, yield[ec]);
- if (!ec) std::make_shared<session>(std::move(socket))->go();
+ if (!ec)
+ {
+ std::make_shared<session>(io_context, std::move(socket))->go();
+ }
}
+ },
+ [](std::exception_ptr e)
+ {
+ if (e)
+ std::rethrow_exception(e);
});
io_context.run();
diff --git a/3rdparty/asio/src/examples/cpp11/spawn/parallel_grep.cpp b/3rdparty/asio/src/examples/cpp11/spawn/parallel_grep.cpp
index 954d9472bbe..f4a5b1136dc 100644
--- a/3rdparty/asio/src/examples/cpp11/spawn/parallel_grep.cpp
+++ b/3rdparty/asio/src/examples/cpp11/spawn/parallel_grep.cpp
@@ -2,12 +2,13 @@
// parallel_grep.cpp
// ~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
+#include <asio/detached.hpp>
#include <asio/dispatch.hpp>
#include <asio/post.hpp>
#include <asio/spawn.hpp>
@@ -17,6 +18,7 @@
#include <iostream>
#include <string>
+using asio::detached;
using asio::dispatch;
using asio::spawn;
using asio::strand;
@@ -69,7 +71,7 @@ int main(int argc, char* argv[])
if (++line_num % 10 == 0)
post(yield);
}
- });
+ }, detached);
}
// Join the thread pool to wait for all the spawned tasks to complete.
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/README b/3rdparty/asio/src/examples/cpp11/ssl/README
new file mode 100644
index 00000000000..8304d0603b6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/README
@@ -0,0 +1,8 @@
+The passphrase for both the CA and server private keys is "test".
+
+
+-------------------------------------------------------------------------------
+Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+
+Distributed under the Boost Software License, Version 1.0. (See accompanying
+file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/ca.pem b/3rdparty/asio/src/examples/cpp11/ssl/ca.pem
new file mode 100644
index 00000000000..4580bc11bcf
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/ca.pem
@@ -0,0 +1,50 @@
+-----BEGIN CERTIFICATE-----
+MIIDVDCCAjygAwIBAgIUX3cVQ47QyJp7SOy0RPzP743W9MwwDQYJKoZIhvcNAQEL
+BQAwOzELMAkGA1UEBhMCQVUxDDAKBgNVBAgMA05TVzEPMA0GA1UEBwwGU3lkbmV5
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+KDpGsifwIB8b7wActMUO8c3GptptNVWmFm5+Mmk54P//P3tIAx9KXw==
+-----END CERTIFICATE-----
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIIFHDBOBgkqhkiG9w0BBQ0wQTApBgkqhkiG9w0BBQwwHAQIPcVUeQ7ZElgCAggA
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+ye4KOLjH5iquFc4MU4TtN3gvp9P5R9UFrGeMImS5eMUmBQHckDNdIAtMj7M1wUpR
+JVrzDXWDjC21sLn95NtNMPb+FRlt/biTV3IE3ZmX0kbuCRoH7b7hhR41Zpoajwl0
+FqYigB5gnVodGUWuBgDUqA==
+-----END ENCRYPTED PRIVATE KEY-----
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/client.cpp b/3rdparty/asio/src/examples/cpp11/ssl/client.cpp
new file mode 100644
index 00000000000..6799d2a98e1
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/client.cpp
@@ -0,0 +1,165 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include "asio.hpp"
+#include "asio/ssl.hpp"
+
+using asio::ip::tcp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+enum { max_length = 1024 };
+
+class client
+{
+public:
+ client(asio::io_context& io_context,
+ asio::ssl::context& context,
+ const tcp::resolver::results_type& endpoints)
+ : socket_(io_context, context)
+ {
+ socket_.set_verify_mode(asio::ssl::verify_peer);
+ socket_.set_verify_callback(
+ std::bind(&client::verify_certificate, this, _1, _2));
+
+ connect(endpoints);
+ }
+
+private:
+ bool verify_certificate(bool preverified,
+ asio::ssl::verify_context& ctx)
+ {
+ // The verify callback can be used to check whether the certificate that is
+ // being presented is valid for the peer. For example, RFC 2818 describes
+ // the steps involved in doing this for HTTPS. Consult the OpenSSL
+ // documentation for more details. Note that the callback is called once
+ // for each certificate in the certificate chain, starting from the root
+ // certificate authority.
+
+ // In this example we will simply print the certificate's subject name.
+ char subject_name[256];
+ X509* cert = X509_STORE_CTX_get_current_cert(ctx.native_handle());
+ X509_NAME_oneline(X509_get_subject_name(cert), subject_name, 256);
+ std::cout << "Verifying " << subject_name << "\n";
+
+ return preverified;
+ }
+
+ void connect(const tcp::resolver::results_type& endpoints)
+ {
+ asio::async_connect(socket_.lowest_layer(), endpoints,
+ [this](const std::error_code& error,
+ const tcp::endpoint& /*endpoint*/)
+ {
+ if (!error)
+ {
+ handshake();
+ }
+ else
+ {
+ std::cout << "Connect failed: " << error.message() << "\n";
+ }
+ });
+ }
+
+ void handshake()
+ {
+ socket_.async_handshake(asio::ssl::stream_base::client,
+ [this](const std::error_code& error)
+ {
+ if (!error)
+ {
+ send_request();
+ }
+ else
+ {
+ std::cout << "Handshake failed: " << error.message() << "\n";
+ }
+ });
+ }
+
+ void send_request()
+ {
+ std::cout << "Enter message: ";
+ std::cin.getline(request_, max_length);
+ size_t request_length = std::strlen(request_);
+
+ asio::async_write(socket_,
+ asio::buffer(request_, request_length),
+ [this](const std::error_code& error, std::size_t length)
+ {
+ if (!error)
+ {
+ receive_response(length);
+ }
+ else
+ {
+ std::cout << "Write failed: " << error.message() << "\n";
+ }
+ });
+ }
+
+ void receive_response(std::size_t length)
+ {
+ asio::async_read(socket_,
+ asio::buffer(reply_, length),
+ [this](const std::error_code& error, std::size_t length)
+ {
+ if (!error)
+ {
+ std::cout << "Reply: ";
+ std::cout.write(reply_, length);
+ std::cout << "\n";
+ }
+ else
+ {
+ std::cout << "Read failed: " << error.message() << "\n";
+ }
+ });
+ }
+
+ asio::ssl::stream<tcp::socket> socket_;
+ char request_[max_length];
+ char reply_[max_length];
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: client <host> <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ tcp::resolver resolver(io_context);
+ auto endpoints = resolver.resolve(argv[1], argv[2]);
+
+ asio::ssl::context ctx(asio::ssl::context::sslv23);
+ ctx.load_verify_file("ca.pem");
+
+ client c(io_context, ctx, endpoints);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/dh4096.pem b/3rdparty/asio/src/examples/cpp11/ssl/dh4096.pem
new file mode 100644
index 00000000000..dc2559c5f82
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/dh4096.pem
@@ -0,0 +1,25 @@
+-----BEGIN X9.42 DH PARAMETERS-----
+MIIELQKCAgEA8eEBgatlTk0QKIwUqHsteHJXzEr0xAW7RLeNid8DdGjTnFw68eV+
+s1YbipEqQVTFG+VZPaof9v0CH2KOdbgWD0KRPC49HB8O/wARFKpy5eJltVe1r07w
++V1Vjciqkh/vGq/yFQsbqwyWJy6AelsbHdSC9Bg9pmu4+pbVGW15zK7PkfjfoO9V
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+sQSRoas8s+y+b3FfSu7j0p44qLG9oxZ/WFcWnuUyAiEAjvAD9p3bw8AH0s7dUrX/
+RT1Ge+J/n0tlsgw+LY3zafE=
+-----END X9.42 DH PARAMETERS-----
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/server.cpp b/3rdparty/asio/src/examples/cpp11/ssl/server.cpp
new file mode 100644
index 00000000000..15e0d9eaf03
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/server.cpp
@@ -0,0 +1,145 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <functional>
+#include <iostream>
+#include "asio.hpp"
+#include "asio/ssl.hpp"
+
+using asio::ip::tcp;
+
+class session : public std::enable_shared_from_this<session>
+{
+public:
+ session(asio::ssl::stream<tcp::socket> socket)
+ : socket_(std::move(socket))
+ {
+ }
+
+ void start()
+ {
+ do_handshake();
+ }
+
+private:
+ void do_handshake()
+ {
+ auto self(shared_from_this());
+ socket_.async_handshake(asio::ssl::stream_base::server,
+ [this, self](const std::error_code& error)
+ {
+ if (!error)
+ {
+ do_read();
+ }
+ });
+ }
+
+ void do_read()
+ {
+ auto self(shared_from_this());
+ socket_.async_read_some(asio::buffer(data_),
+ [this, self](const std::error_code& ec, std::size_t length)
+ {
+ if (!ec)
+ {
+ do_write(length);
+ }
+ });
+ }
+
+ void do_write(std::size_t length)
+ {
+ auto self(shared_from_this());
+ asio::async_write(socket_, asio::buffer(data_, length),
+ [this, self](const std::error_code& ec,
+ std::size_t /*length*/)
+ {
+ if (!ec)
+ {
+ do_read();
+ }
+ });
+ }
+
+ asio::ssl::stream<tcp::socket> socket_;
+ char data_[1024];
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context, unsigned short port)
+ : acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
+ context_(asio::ssl::context::sslv23)
+ {
+ context_.set_options(
+ asio::ssl::context::default_workarounds
+ | asio::ssl::context::no_sslv2
+ | asio::ssl::context::single_dh_use);
+ context_.set_password_callback(std::bind(&server::get_password, this));
+ context_.use_certificate_chain_file("server.pem");
+ context_.use_private_key_file("server.pem", asio::ssl::context::pem);
+ context_.use_tmp_dh_file("dh4096.pem");
+
+ do_accept();
+ }
+
+private:
+ std::string get_password() const
+ {
+ return "test";
+ }
+
+ void do_accept()
+ {
+ acceptor_.async_accept(
+ [this](const std::error_code& error, tcp::socket socket)
+ {
+ if (!error)
+ {
+ std::make_shared<session>(
+ asio::ssl::stream<tcp::socket>(
+ std::move(socket), context_))->start();
+ }
+
+ do_accept();
+ });
+ }
+
+ tcp::acceptor acceptor_;
+ asio::ssl::context context_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: server <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ using namespace std; // For atoi.
+ server s(io_context, atoi(argv[1]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/ssl/server.pem b/3rdparty/asio/src/examples/cpp11/ssl/server.pem
new file mode 100644
index 00000000000..a7bcba738a0
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/ssl/server.pem
@@ -0,0 +1,99 @@
+-----BEGIN CERTIFICATE-----
+MIIDDjCCAfYCFGGcJXlIeQHiq/qOakbISU5cihPvMA0GCSqGSIb3DQEBCwUAMDsx
+CzAJBgNVBAYTAkFVMQwwCgYDVQQIDANOU1cxDzANBgNVBAcMBlN5ZG5leTENMAsG
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+Tqd8lHpWe6oM0sgdWfzdBNir
+-----END CERTIFICATE-----
+-----BEGIN RSA PRIVATE KEY-----
+Proc-Type: 4,ENCRYPTED
+DEK-Info: DES-EDE3-CBC,9E0E6B9970E055F1
+
+oFvN3t50B2TSeNsRo1vwhVYlMmt0w3MD3Ar75fti4fRhBrWoH4rBPrSouWK4OMDK
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diff --git a/3rdparty/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp b/3rdparty/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp
new file mode 100644
index 00000000000..b8f2cbe77d2
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timeouts/async_tcp_client.cpp
@@ -0,0 +1,311 @@
+//
+// async_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/steady_timer.hpp"
+#include "asio/write.hpp"
+#include <functional>
+#include <iostream>
+#include <string>
+
+using asio::steady_timer;
+using asio::ip::tcp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+//
+// This class manages socket timeouts by applying the concept of a deadline.
+// Some asynchronous operations are given deadlines by which they must complete.
+// Deadlines are enforced by an "actor" that persists for the lifetime of the
+// client object:
+//
+// +----------------+
+// | |
+// | check_deadline |<---+
+// | | |
+// +----------------+ | async_wait()
+// | |
+// +---------+
+//
+// If the deadline actor determines that the deadline has expired, the socket
+// is closed and any outstanding operations are consequently cancelled.
+//
+// Connection establishment involves trying each endpoint in turn until a
+// connection is successful, or the available endpoints are exhausted. If the
+// deadline actor closes the socket, the connect actor is woken up and moves to
+// the next endpoint.
+//
+// +---------------+
+// | |
+// | start_connect |<---+
+// | | |
+// +---------------+ |
+// | |
+// async_- | +----------------+
+// connect() | | |
+// +--->| handle_connect |
+// | |
+// +----------------+
+// :
+// Once a connection is :
+// made, the connect :
+// actor forks in two - :
+// :
+// an actor for reading : and an actor for
+// inbound messages: : sending heartbeats:
+// :
+// +------------+ : +-------------+
+// | |<- - - - -+- - - - ->| |
+// | start_read | | start_write |<---+
+// | |<---+ | | |
+// +------------+ | +-------------+ | async_wait()
+// | | | |
+// async_- | +-------------+ async_- | +--------------+
+// read_- | | | write() | | |
+// until() +--->| handle_read | +--->| handle_write |
+// | | | |
+// +-------------+ +--------------+
+//
+// The input actor reads messages from the socket, where messages are delimited
+// by the newline character. The deadline for a complete message is 30 seconds.
+//
+// The heartbeat actor sends a heartbeat (a message that consists of a single
+// newline character) every 10 seconds. In this example, no deadline is applied
+// to message sending.
+//
+class client
+{
+public:
+ client(asio::io_context& io_context)
+ : socket_(io_context),
+ deadline_(io_context),
+ heartbeat_timer_(io_context)
+ {
+ }
+
+ // Called by the user of the client class to initiate the connection process.
+ // The endpoints will have been obtained using a tcp::resolver.
+ void start(tcp::resolver::results_type endpoints)
+ {
+ // Start the connect actor.
+ endpoints_ = endpoints;
+ start_connect(endpoints_.begin());
+
+ // Start the deadline actor. You will note that we're not setting any
+ // particular deadline here. Instead, the connect and input actors will
+ // update the deadline prior to each asynchronous operation.
+ deadline_.async_wait(std::bind(&client::check_deadline, this));
+ }
+
+ // This function terminates all the actors to shut down the connection. It
+ // may be called by the user of the client class, or by the class itself in
+ // response to graceful termination or an unrecoverable error.
+ void stop()
+ {
+ stopped_ = true;
+ std::error_code ignored_error;
+ socket_.close(ignored_error);
+ deadline_.cancel();
+ heartbeat_timer_.cancel();
+ }
+
+private:
+ void start_connect(tcp::resolver::results_type::iterator endpoint_iter)
+ {
+ if (endpoint_iter != endpoints_.end())
+ {
+ std::cout << "Trying " << endpoint_iter->endpoint() << "...\n";
+
+ // Set a deadline for the connect operation.
+ deadline_.expires_after(std::chrono::seconds(60));
+
+ // Start the asynchronous connect operation.
+ socket_.async_connect(endpoint_iter->endpoint(),
+ std::bind(&client::handle_connect,
+ this, _1, endpoint_iter));
+ }
+ else
+ {
+ // There are no more endpoints to try. Shut down the client.
+ stop();
+ }
+ }
+
+ void handle_connect(const std::error_code& error,
+ tcp::resolver::results_type::iterator endpoint_iter)
+ {
+ if (stopped_)
+ return;
+
+ // The async_connect() function automatically opens the socket at the start
+ // of the asynchronous operation. If the socket is closed at this time then
+ // the timeout handler must have run first.
+ if (!socket_.is_open())
+ {
+ std::cout << "Connect timed out\n";
+
+ // Try the next available endpoint.
+ start_connect(++endpoint_iter);
+ }
+
+ // Check if the connect operation failed before the deadline expired.
+ else if (error)
+ {
+ std::cout << "Connect error: " << error.message() << "\n";
+
+ // We need to close the socket used in the previous connection attempt
+ // before starting a new one.
+ socket_.close();
+
+ // Try the next available endpoint.
+ start_connect(++endpoint_iter);
+ }
+
+ // Otherwise we have successfully established a connection.
+ else
+ {
+ std::cout << "Connected to " << endpoint_iter->endpoint() << "\n";
+
+ // Start the input actor.
+ start_read();
+
+ // Start the heartbeat actor.
+ start_write();
+ }
+ }
+
+ void start_read()
+ {
+ // Set a deadline for the read operation.
+ deadline_.expires_after(std::chrono::seconds(30));
+
+ // Start an asynchronous operation to read a newline-delimited message.
+ asio::async_read_until(socket_,
+ asio::dynamic_buffer(input_buffer_), '\n',
+ std::bind(&client::handle_read, this, _1, _2));
+ }
+
+ void handle_read(const std::error_code& error, std::size_t n)
+ {
+ if (stopped_)
+ return;
+
+ if (!error)
+ {
+ // Extract the newline-delimited message from the buffer.
+ std::string line(input_buffer_.substr(0, n - 1));
+ input_buffer_.erase(0, n);
+
+ // Empty messages are heartbeats and so ignored.
+ if (!line.empty())
+ {
+ std::cout << "Received: " << line << "\n";
+ }
+
+ start_read();
+ }
+ else
+ {
+ std::cout << "Error on receive: " << error.message() << "\n";
+
+ stop();
+ }
+ }
+
+ void start_write()
+ {
+ if (stopped_)
+ return;
+
+ // Start an asynchronous operation to send a heartbeat message.
+ asio::async_write(socket_, asio::buffer("\n", 1),
+ std::bind(&client::handle_write, this, _1));
+ }
+
+ void handle_write(const std::error_code& error)
+ {
+ if (stopped_)
+ return;
+
+ if (!error)
+ {
+ // Wait 10 seconds before sending the next heartbeat.
+ heartbeat_timer_.expires_after(std::chrono::seconds(10));
+ heartbeat_timer_.async_wait(std::bind(&client::start_write, this));
+ }
+ else
+ {
+ std::cout << "Error on heartbeat: " << error.message() << "\n";
+
+ stop();
+ }
+ }
+
+ void check_deadline()
+ {
+ if (stopped_)
+ return;
+
+ // Check whether the deadline has passed. We compare the deadline against
+ // the current time since a new asynchronous operation may have moved the
+ // deadline before this actor had a chance to run.
+ if (deadline_.expiry() <= steady_timer::clock_type::now())
+ {
+ // The deadline has passed. The socket is closed so that any outstanding
+ // asynchronous operations are cancelled.
+ socket_.close();
+
+ // There is no longer an active deadline. The expiry is set to the
+ // maximum time point so that the actor takes no action until a new
+ // deadline is set.
+ deadline_.expires_at(steady_timer::time_point::max());
+ }
+
+ // Put the actor back to sleep.
+ deadline_.async_wait(std::bind(&client::check_deadline, this));
+ }
+
+private:
+ bool stopped_ = false;
+ tcp::resolver::results_type endpoints_;
+ tcp::socket socket_;
+ std::string input_buffer_;
+ steady_timer deadline_;
+ steady_timer heartbeat_timer_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: client <host> <port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+ tcp::resolver r(io_context);
+ client c(io_context);
+
+ c.start(r.resolve(argv[1], argv[2]));
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp
new file mode 100644
index 00000000000..e29edc2895f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_tcp_client.cpp
@@ -0,0 +1,192 @@
+//
+// blocking_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/connect.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/system_error.hpp"
+#include "asio/write.hpp"
+#include <cstdlib>
+#include <iostream>
+#include <string>
+
+using asio::ip::tcp;
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use lambdas as completion handlers. For a given socket operation, the client
+// object runs the io_context to block thread execution until the operation
+// completes or the timeout is reached. If the io_context::run_for() function
+// times out, the socket is closed and the outstanding asynchronous operation
+// is cancelled.
+//
+class client
+{
+public:
+ void connect(const std::string& host, const std::string& service,
+ std::chrono::steady_clock::duration timeout)
+ {
+ // Resolve the host name and service to a list of endpoints.
+ auto endpoints = tcp::resolver(io_context_).resolve(host, service);
+
+ // Start the asynchronous operation itself. The lambda that is used as a
+ // callback will update the error variable when the operation completes.
+ // The blocking_udp_client.cpp example shows how you can use std::bind
+ // rather than a lambda.
+ std::error_code error;
+ asio::async_connect(socket_, endpoints,
+ [&](const std::error_code& result_error,
+ const tcp::endpoint& /*result_endpoint*/)
+ {
+ error = result_error;
+ });
+
+ // Run the operation until it completes, or until the timeout.
+ run(timeout);
+
+ // Determine whether a connection was successfully established.
+ if (error)
+ throw std::system_error(error);
+ }
+
+ std::string read_line(std::chrono::steady_clock::duration timeout)
+ {
+ // Start the asynchronous operation. The lambda that is used as a callback
+ // will update the error and n variables when the operation completes. The
+ // blocking_udp_client.cpp example shows how you can use std::bind rather
+ // than a lambda.
+ std::error_code error;
+ std::size_t n = 0;
+ asio::async_read_until(socket_,
+ asio::dynamic_buffer(input_buffer_), '\n',
+ [&](const std::error_code& result_error,
+ std::size_t result_n)
+ {
+ error = result_error;
+ n = result_n;
+ });
+
+ // Run the operation until it completes, or until the timeout.
+ run(timeout);
+
+ // Determine whether the read completed successfully.
+ if (error)
+ throw std::system_error(error);
+
+ std::string line(input_buffer_.substr(0, n - 1));
+ input_buffer_.erase(0, n);
+ return line;
+ }
+
+ void write_line(const std::string& line,
+ std::chrono::steady_clock::duration timeout)
+ {
+ std::string data = line + "\n";
+
+ // Start the asynchronous operation itself. The lambda that is used as a
+ // callback will update the error variable when the operation completes.
+ // The blocking_udp_client.cpp example shows how you can use std::bind
+ // rather than a lambda.
+ std::error_code error;
+ asio::async_write(socket_, asio::buffer(data),
+ [&](const std::error_code& result_error,
+ std::size_t /*result_n*/)
+ {
+ error = result_error;
+ });
+
+ // Run the operation until it completes, or until the timeout.
+ run(timeout);
+
+ // Determine whether the read completed successfully.
+ if (error)
+ throw std::system_error(error);
+ }
+
+private:
+ void run(std::chrono::steady_clock::duration timeout)
+ {
+ // Restart the io_context, as it may have been left in the "stopped" state
+ // by a previous operation.
+ io_context_.restart();
+
+ // Block until the asynchronous operation has completed, or timed out. If
+ // the pending asynchronous operation is a composed operation, the deadline
+ // applies to the entire operation, rather than individual operations on
+ // the socket.
+ io_context_.run_for(timeout);
+
+ // If the asynchronous operation completed successfully then the io_context
+ // would have been stopped due to running out of work. If it was not
+ // stopped, then the io_context::run_for call must have timed out.
+ if (!io_context_.stopped())
+ {
+ // Close the socket to cancel the outstanding asynchronous operation.
+ socket_.close();
+
+ // Run the io_context again until the operation completes.
+ io_context_.run();
+ }
+ }
+
+ asio::io_context io_context_;
+ tcp::socket socket_{io_context_};
+ std::string input_buffer_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 4)
+ {
+ std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
+ return 1;
+ }
+
+ client c;
+ c.connect(argv[1], argv[2], std::chrono::seconds(10));
+
+ auto time_sent = std::chrono::steady_clock::now();
+
+ c.write_line(argv[3], std::chrono::seconds(10));
+
+ for (;;)
+ {
+ std::string line = c.read_line(std::chrono::seconds(10));
+
+ // Keep going until we get back the line that was sent.
+ if (line == argv[3])
+ break;
+ }
+
+ auto time_received = std::chrono::steady_clock::now();
+
+ std::cout << "Round trip time: ";
+ std::cout << std::chrono::duration_cast<
+ std::chrono::microseconds>(
+ time_received - time_sent).count();
+ std::cout << " microseconds\n";
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp
new file mode 100644
index 00000000000..085570d8b78
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_token_tcp_client.cpp
@@ -0,0 +1,171 @@
+//
+// blocking_token_tcp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/connect.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/streambuf.hpp"
+#include "asio/system_error.hpp"
+#include "asio/write.hpp"
+#include <cstdlib>
+#include <iostream>
+#include <memory>
+#include <string>
+
+using asio::ip::tcp;
+
+// NOTE: This example uses the new form of the asio::async_result trait.
+// For an example that works with the Networking TS style of completion tokens,
+// please see an older version of asio.
+
+// We will use our sockets only with an io_context.
+using tcp_socket = asio::basic_stream_socket<
+ tcp, asio::io_context::executor_type>;
+
+//----------------------------------------------------------------------
+
+// A custom completion token that makes asynchronous operations behave as
+// though they are blocking calls with a timeout.
+struct close_after
+{
+ close_after(std::chrono::steady_clock::duration t, tcp_socket& s)
+ : timeout_(t), socket_(s)
+ {
+ }
+
+ // The maximum time to wait for an asynchronous operation to complete.
+ std::chrono::steady_clock::duration timeout_;
+
+ // The socket to be closed if the operation does not complete in time.
+ tcp_socket& socket_;
+};
+
+namespace asio {
+
+// The async_result template is specialised to allow the close_after token to
+// be used with asynchronous operations that have a completion signature of
+// void(error_code, T). Generalising this for all completion signature forms is
+// left as an exercise for the reader.
+template <typename T>
+class async_result<close_after, void(std::error_code, T)>
+{
+public:
+ // The initiate() function is used to launch the asynchronous operation by
+ // calling the operation's initiation function object. For the close_after
+ // completion token, we use this function to run the io_context until the
+ // operation is complete.
+ template <typename Init, typename... Args>
+ static T initiate(Init init, close_after token, Args&&... args)
+ {
+ asio::io_context& io_context = asio::query(
+ token.socket_.get_executor(), asio::execution::context);
+
+ // Call the operation's initiation function object to start the operation.
+ // A lambda is supplied as the completion handler, to be called when the
+ // operation completes.
+ std::error_code error;
+ T result;
+ init([&](std::error_code e, T t)
+ {
+ error = e;
+ result = t;
+ }, std::forward<Args>(args)...);
+
+ // Restart the io_context, as it may have been left in the "stopped" state
+ // by a previous operation.
+ io_context.restart();
+
+ // Block until the asynchronous operation has completed, or timed out. If
+ // the pending asynchronous operation is a composed operation, the deadline
+ // applies to the entire operation, rather than individual operations on
+ // the socket.
+ io_context.run_for(token.timeout_);
+
+ // If the asynchronous operation completed successfully then the io_context
+ // would have been stopped due to running out of work. If it was not
+ // stopped, then the io_context::run_for call must have timed out and the
+ // operation is still incomplete.
+ if (!io_context.stopped())
+ {
+ // Close the socket to cancel the outstanding asynchronous operation.
+ token.socket_.close();
+
+ // Run the io_context again until the operation completes.
+ io_context.run();
+ }
+
+ // If the operation failed, throw an exception. Otherwise return the result.
+ return error ? throw std::system_error(error) : result;
+ }
+};
+
+} // namespace asio
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 4)
+ {
+ std::cerr << "Usage: blocking_tcp_client <host> <port> <message>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ // Resolve the host name and service to a list of endpoints.
+ auto endpoints = tcp::resolver(io_context).resolve(argv[1], argv[2]);
+
+ tcp_socket socket(io_context);
+
+ // Run an asynchronous connect operation with a timeout.
+ asio::async_connect(socket, endpoints,
+ close_after(std::chrono::seconds(10), socket));
+
+ auto time_sent = std::chrono::steady_clock::now();
+
+ // Run an asynchronous write operation with a timeout.
+ std::string msg = argv[3] + std::string("\n");
+ asio::async_write(socket, asio::buffer(msg),
+ close_after(std::chrono::seconds(10), socket));
+
+ for (std::string input_buffer;;)
+ {
+ // Run an asynchronous read operation with a timeout.
+ std::size_t n = asio::async_read_until(socket,
+ asio::dynamic_buffer(input_buffer), '\n',
+ close_after(std::chrono::seconds(10), socket));
+
+ std::string line(input_buffer.substr(0, n - 1));
+ input_buffer.erase(0, n);
+
+ // Keep going until we get back the line that was sent.
+ if (line == argv[3])
+ break;
+ }
+
+ auto time_received = std::chrono::steady_clock::now();
+
+ std::cout << "Round trip time: ";
+ std::cout << std::chrono::duration_cast<
+ std::chrono::microseconds>(
+ time_received - time_sent).count();
+ std::cout << " microseconds\n";
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp
new file mode 100644
index 00000000000..312f21ab656
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timeouts/blocking_udp_client.cpp
@@ -0,0 +1,155 @@
+//
+// blocking_udp_client.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/udp.hpp"
+#include <cstdlib>
+#include <functional>
+#include <iostream>
+
+using asio::ip::udp;
+using std::placeholders::_1;
+using std::placeholders::_2;
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by running the io_context using the timed
+// io_context::run_for() member function. Each asynchronous operation is given
+// a timeout within which it must complete. The socket operations themselves
+// use std::bind to specify the completion handler:
+//
+// +---------------+
+// | |
+// | receive |
+// | |
+// +---------------+
+// |
+// async_- | +----------------+
+// receive() | | |
+// +--->| handle_receive |
+// | |
+// +----------------+
+//
+// For a given socket operation, the client object runs the io_context to block
+// thread execution until the operation completes or the timeout is reached. If
+// the io_context::run_for() function times out, the socket is closed and the
+// outstanding asynchronous operation is cancelled.
+//
+class client
+{
+public:
+ client(const udp::endpoint& listen_endpoint)
+ : socket_(io_context_, listen_endpoint)
+ {
+ }
+
+ std::size_t receive(const asio::mutable_buffer& buffer,
+ std::chrono::steady_clock::duration timeout,
+ std::error_code& error)
+ {
+ // Start the asynchronous operation. The handle_receive function used as a
+ // callback will update the error and length variables.
+ std::size_t length = 0;
+ socket_.async_receive(asio::buffer(buffer),
+ std::bind(&client::handle_receive, _1, _2, &error, &length));
+
+ // Run the operation until it completes, or until the timeout.
+ run(timeout);
+
+ return length;
+ }
+
+private:
+ void run(std::chrono::steady_clock::duration timeout)
+ {
+ // Restart the io_context, as it may have been left in the "stopped" state
+ // by a previous operation.
+ io_context_.restart();
+
+ // Block until the asynchronous operation has completed, or timed out. If
+ // the pending asynchronous operation is a composed operation, the deadline
+ // applies to the entire operation, rather than individual operations on
+ // the socket.
+ io_context_.run_for(timeout);
+
+ // If the asynchronous operation completed successfully then the io_context
+ // would have been stopped due to running out of work. If it was not
+ // stopped, then the io_context::run_for call must have timed out.
+ if (!io_context_.stopped())
+ {
+ // Cancel the outstanding asynchronous operation.
+ socket_.cancel();
+
+ // Run the io_context again until the operation completes.
+ io_context_.run();
+ }
+ }
+
+ static void handle_receive(
+ const std::error_code& error, std::size_t length,
+ std::error_code* out_error, std::size_t* out_length)
+ {
+ *out_error = error;
+ *out_length = length;
+ }
+
+private:
+ asio::io_context io_context_;
+ udp::socket socket_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ using namespace std; // For atoi.
+
+ if (argc != 3)
+ {
+ std::cerr << "Usage: blocking_udp_client <listen_addr> <listen_port>\n";
+ return 1;
+ }
+
+ udp::endpoint listen_endpoint(
+ asio::ip::make_address(argv[1]),
+ std::atoi(argv[2]));
+
+ client c(listen_endpoint);
+
+ for (;;)
+ {
+ char data[1024];
+ std::error_code error;
+ std::size_t n = c.receive(asio::buffer(data),
+ std::chrono::seconds(10), error);
+
+ if (error)
+ {
+ std::cout << "Receive error: " << error.message() << "\n";
+ }
+ else
+ {
+ std::cout << "Received: ";
+ std::cout.write(data, n);
+ std::cout << "\n";
+ }
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/timeouts/server.cpp b/3rdparty/asio/src/examples/cpp11/timeouts/server.cpp
new file mode 100644
index 00000000000..6e18fc60c2b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timeouts/server.cpp
@@ -0,0 +1,433 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <algorithm>
+#include <cstdlib>
+#include <deque>
+#include <iostream>
+#include <memory>
+#include <set>
+#include <string>
+#include "asio/buffer.hpp"
+#include "asio/io_context.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/ip/udp.hpp"
+#include "asio/read_until.hpp"
+#include "asio/steady_timer.hpp"
+#include "asio/write.hpp"
+
+using asio::steady_timer;
+using asio::ip::tcp;
+using asio::ip::udp;
+
+//----------------------------------------------------------------------
+
+class subscriber
+{
+public:
+ virtual ~subscriber() = default;
+ virtual void deliver(const std::string& msg) = 0;
+};
+
+typedef std::shared_ptr<subscriber> subscriber_ptr;
+
+//----------------------------------------------------------------------
+
+class channel
+{
+public:
+ void join(subscriber_ptr subscriber)
+ {
+ subscribers_.insert(subscriber);
+ }
+
+ void leave(subscriber_ptr subscriber)
+ {
+ subscribers_.erase(subscriber);
+ }
+
+ void deliver(const std::string& msg)
+ {
+ for (const auto& s : subscribers_)
+ {
+ s->deliver(msg);
+ }
+ }
+
+private:
+ std::set<subscriber_ptr> subscribers_;
+};
+
+//----------------------------------------------------------------------
+
+//
+// This class manages socket timeouts by applying the concept of a deadline.
+// Some asynchronous operations are given deadlines by which they must complete.
+// Deadlines are enforced by two "actors" that persist for the lifetime of the
+// session object, one for input and one for output:
+//
+// +----------------+ +----------------+
+// | | | |
+// | check_deadline |<-------+ | check_deadline |<-------+
+// | | | | | |
+// +----------------+ | +----------------+ |
+// | | | |
+// async_wait() | +----------------+ async_wait() | +----------------+
+// on input | | lambda | on output | | lambda |
+// deadline +--->| in | deadline +--->| in |
+// | check_deadline | | check_deadline |
+// +----------------+ +----------------+
+//
+// If either deadline actor determines that the corresponding deadline has
+// expired, the socket is closed and any outstanding operations are cancelled.
+//
+// The input actor reads messages from the socket, where messages are delimited
+// by the newline character:
+//
+// +-------------+
+// | |
+// | read_line |<----+
+// | | |
+// +-------------+ |
+// | |
+// async_- | +-------------+
+// read_- | | lambda |
+// until() +--->| in |
+// | read_line |
+// +-------------+
+//
+// The deadline for receiving a complete message is 30 seconds. If a non-empty
+// message is received, it is delivered to all subscribers. If a heartbeat (a
+// message that consists of a single newline character) is received, a heartbeat
+// is enqueued for the client, provided there are no other messages waiting to
+// be sent.
+//
+// The output actor is responsible for sending messages to the client:
+//
+// +----------------+
+// | |<---------------------+
+// | await_output | |
+// | |<-------+ |
+// +----------------+ | |
+// | | | |
+// | async_- | +----------------+ |
+// | wait() | | lambda | |
+// | +->| in | |
+// | | await_output | |
+// | +----------------+ |
+// V |
+// +--------------+ +--------------+
+// | | async_write() | lambda |
+// | write_line |-------------->| in |
+// | | | write_line |
+// +--------------+ +--------------+
+//
+// The output actor first waits for an output message to be enqueued. It does
+// this by using a steady_timer as an asynchronous condition variable. The
+// steady_timer will be signalled whenever the output queue is non-empty.
+//
+// Once a message is available, it is sent to the client. The deadline for
+// sending a complete message is 30 seconds. After the message is successfully
+// sent, the output actor again waits for the output queue to become non-empty.
+//
+class tcp_session
+ : public subscriber,
+ public std::enable_shared_from_this<tcp_session>
+{
+public:
+ tcp_session(tcp::socket socket, channel& ch)
+ : channel_(ch),
+ socket_(std::move(socket))
+ {
+ input_deadline_.expires_at(steady_timer::time_point::max());
+ output_deadline_.expires_at(steady_timer::time_point::max());
+
+ // The non_empty_output_queue_ steady_timer is set to the maximum time
+ // point whenever the output queue is empty. This ensures that the output
+ // actor stays asleep until a message is put into the queue.
+ non_empty_output_queue_.expires_at(steady_timer::time_point::max());
+ }
+
+ // Called by the server object to initiate the four actors.
+ void start()
+ {
+ channel_.join(shared_from_this());
+
+ read_line();
+ check_deadline(input_deadline_);
+
+ await_output();
+ check_deadline(output_deadline_);
+ }
+
+private:
+ void stop()
+ {
+ channel_.leave(shared_from_this());
+
+ std::error_code ignored_error;
+ socket_.close(ignored_error);
+ input_deadline_.cancel();
+ non_empty_output_queue_.cancel();
+ output_deadline_.cancel();
+ }
+
+ bool stopped() const
+ {
+ return !socket_.is_open();
+ }
+
+ void deliver(const std::string& msg) override
+ {
+ output_queue_.push_back(msg + "\n");
+
+ // Signal that the output queue contains messages. Modifying the expiry
+ // will wake the output actor, if it is waiting on the timer.
+ non_empty_output_queue_.expires_at(steady_timer::time_point::min());
+ }
+
+ void read_line()
+ {
+ // Set a deadline for the read operation.
+ input_deadline_.expires_after(std::chrono::seconds(30));
+
+ // Start an asynchronous operation to read a newline-delimited message.
+ auto self(shared_from_this());
+ asio::async_read_until(socket_,
+ asio::dynamic_buffer(input_buffer_), '\n',
+ [this, self](const std::error_code& error, std::size_t n)
+ {
+ // Check if the session was stopped while the operation was pending.
+ if (stopped())
+ return;
+
+ if (!error)
+ {
+ // Extract the newline-delimited message from the buffer.
+ std::string msg(input_buffer_.substr(0, n - 1));
+ input_buffer_.erase(0, n);
+
+ if (!msg.empty())
+ {
+ channel_.deliver(msg);
+ }
+ else
+ {
+
+ // We received a heartbeat message from the client. If there's
+ // nothing else being sent or ready to be sent, send a heartbeat
+ // right back.
+ if (output_queue_.empty())
+ {
+ output_queue_.push_back("\n");
+
+ // Signal that the output queue contains messages. Modifying
+ // the expiry will wake the output actor, if it is waiting on
+ // the timer.
+ non_empty_output_queue_.expires_at(
+ steady_timer::time_point::min());
+ }
+ }
+
+ read_line();
+ }
+ else
+ {
+ stop();
+ }
+ });
+ }
+
+ void await_output()
+ {
+ auto self(shared_from_this());
+ non_empty_output_queue_.async_wait(
+ [this, self](const std::error_code& /*error*/)
+ {
+ // Check if the session was stopped while the operation was pending.
+ if (stopped())
+ return;
+
+ if (output_queue_.empty())
+ {
+ // There are no messages that are ready to be sent. The actor goes
+ // to sleep by waiting on the non_empty_output_queue_ timer. When a
+ // new message is added, the timer will be modified and the actor
+ // will wake.
+ non_empty_output_queue_.expires_at(steady_timer::time_point::max());
+ await_output();
+ }
+ else
+ {
+ write_line();
+ }
+ });
+ }
+
+ void write_line()
+ {
+ // Set a deadline for the write operation.
+ output_deadline_.expires_after(std::chrono::seconds(30));
+
+ // Start an asynchronous operation to send a message.
+ auto self(shared_from_this());
+ asio::async_write(socket_,
+ asio::buffer(output_queue_.front()),
+ [this, self](const std::error_code& error, std::size_t /*n*/)
+ {
+ // Check if the session was stopped while the operation was pending.
+ if (stopped())
+ return;
+
+ if (!error)
+ {
+ output_queue_.pop_front();
+
+ await_output();
+ }
+ else
+ {
+ stop();
+ }
+ });
+ }
+
+ void check_deadline(steady_timer& deadline)
+ {
+ auto self(shared_from_this());
+ deadline.async_wait(
+ [this, self, &deadline](const std::error_code& /*error*/)
+ {
+ // Check if the session was stopped while the operation was pending.
+ if (stopped())
+ return;
+
+ // Check whether the deadline has passed. We compare the deadline
+ // against the current time since a new asynchronous operation may
+ // have moved the deadline before this actor had a chance to run.
+ if (deadline.expiry() <= steady_timer::clock_type::now())
+ {
+ // The deadline has passed. Stop the session. The other actors will
+ // terminate as soon as possible.
+ stop();
+ }
+ else
+ {
+ // Put the actor back to sleep.
+ check_deadline(deadline);
+ }
+ });
+ }
+
+ channel& channel_;
+ tcp::socket socket_;
+ std::string input_buffer_;
+ steady_timer input_deadline_{socket_.get_executor()};
+ std::deque<std::string> output_queue_;
+ steady_timer non_empty_output_queue_{socket_.get_executor()};
+ steady_timer output_deadline_{socket_.get_executor()};
+};
+
+typedef std::shared_ptr<tcp_session> tcp_session_ptr;
+
+//----------------------------------------------------------------------
+
+class udp_broadcaster
+ : public subscriber
+{
+public:
+ udp_broadcaster(asio::io_context& io_context,
+ const udp::endpoint& broadcast_endpoint)
+ : socket_(io_context)
+ {
+ socket_.connect(broadcast_endpoint);
+ socket_.set_option(udp::socket::broadcast(true));
+ }
+
+private:
+ void deliver(const std::string& msg)
+ {
+ std::error_code ignored_error;
+ socket_.send(asio::buffer(msg), 0, ignored_error);
+ }
+
+ udp::socket socket_;
+};
+
+//----------------------------------------------------------------------
+
+class server
+{
+public:
+ server(asio::io_context& io_context,
+ const tcp::endpoint& listen_endpoint,
+ const udp::endpoint& broadcast_endpoint)
+ : io_context_(io_context),
+ acceptor_(io_context, listen_endpoint)
+ {
+ channel_.join(
+ std::make_shared<udp_broadcaster>(
+ io_context_, broadcast_endpoint));
+
+ accept();
+ }
+
+private:
+ void accept()
+ {
+ acceptor_.async_accept(
+ [this](const std::error_code& error, tcp::socket socket)
+ {
+ if (!error)
+ {
+ std::make_shared<tcp_session>(std::move(socket), channel_)->start();
+ }
+
+ accept();
+ });
+ }
+
+ asio::io_context& io_context_;
+ tcp::acceptor acceptor_;
+ channel channel_;
+};
+
+//----------------------------------------------------------------------
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ using namespace std; // For atoi.
+
+ if (argc != 4)
+ {
+ std::cerr << "Usage: server <listen_port> <bcast_address> <bcast_port>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ tcp::endpoint listen_endpoint(tcp::v4(), atoi(argv[1]));
+
+ udp::endpoint broadcast_endpoint(
+ asio::ip::make_address(argv[2]), atoi(argv[3]));
+
+ server s(io_context, listen_endpoint, broadcast_endpoint);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/timers/time_t_timer.cpp b/3rdparty/asio/src/examples/cpp11/timers/time_t_timer.cpp
new file mode 100644
index 00000000000..bca436d31e7
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/timers/time_t_timer.cpp
@@ -0,0 +1,106 @@
+//
+// time_t_timer.cpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <asio.hpp>
+#include <ctime>
+#include <chrono>
+#include <iostream>
+
+// A custom implementation of the Clock concept from the standard C++ library.
+struct time_t_clock
+{
+ // The duration type.
+ typedef std::chrono::steady_clock::duration duration;
+
+ // The duration's underlying arithmetic representation.
+ typedef duration::rep rep;
+
+ // The ratio representing the duration's tick period.
+ typedef duration::period period;
+
+ // An absolute time point represented using the clock.
+ typedef std::chrono::time_point<time_t_clock> time_point;
+
+ // The clock is not monotonically increasing.
+ static constexpr bool is_steady = false;
+
+ // Get the current time.
+ static time_point now() noexcept
+ {
+ return time_point() + std::chrono::seconds(std::time(0));
+ }
+};
+
+// The asio::basic_waitable_timer template accepts an optional WaitTraits
+// template parameter. The underlying time_t clock has one-second granularity,
+// so these traits may be customised to reduce the latency between the clock
+// ticking over and a wait operation's completion. When the timeout is near
+// (less than one second away) we poll the clock more frequently to detect the
+// time change closer to when it occurs. The user can select the appropriate
+// trade off between accuracy and the increased CPU cost of polling. In extreme
+// cases, a zero duration may be returned to make the timers as accurate as
+// possible, albeit with 100% CPU usage.
+struct time_t_wait_traits
+{
+ // Determine how long until the clock should be next polled to determine
+ // whether the duration has elapsed.
+ static time_t_clock::duration to_wait_duration(
+ const time_t_clock::duration& d)
+ {
+ if (d > std::chrono::seconds(1))
+ return d - std::chrono::seconds(1);
+ else if (d > std::chrono::seconds(0))
+ return std::chrono::milliseconds(10);
+ else
+ return std::chrono::seconds(0);
+ }
+
+ // Determine how long until the clock should be next polled to determine
+ // whether the absoluate time has been reached.
+ static time_t_clock::duration to_wait_duration(
+ const time_t_clock::time_point& t)
+ {
+ return to_wait_duration(t - time_t_clock::now());
+ }
+};
+
+typedef asio::basic_waitable_timer<
+ time_t_clock, time_t_wait_traits> time_t_timer;
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ time_t_timer timer(io_context);
+
+ timer.expires_after(std::chrono::seconds(5));
+ std::cout << "Starting synchronous wait\n";
+ timer.wait();
+ std::cout << "Finished synchronous wait\n";
+
+ timer.expires_after(std::chrono::seconds(5));
+ std::cout << "Starting asynchronous wait\n";
+ timer.async_wait(
+ [](const std::error_code& /*error*/)
+ {
+ std::cout << "timeout\n";
+ });
+ io_context.run();
+ std::cout << "Finished asynchronous wait\n";
+ }
+ catch (std::exception& e)
+ {
+ std::cout << "Exception: " << e.what() << "\n";
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime1/client.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime1/client.cpp
new file mode 100644
index 00000000000..9d927759f5c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime1/client.cpp
@@ -0,0 +1,57 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: client <host>" << std::endl;
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ tcp::resolver resolver(io_context);
+ tcp::resolver::results_type endpoints =
+ resolver.resolve(argv[1], "daytime");
+
+ tcp::socket socket(io_context);
+ asio::connect(socket, endpoints);
+
+ for (;;)
+ {
+ std::array<char, 128> buf;
+ std::error_code error;
+
+ size_t len = socket.read_some(asio::buffer(buf), error);
+
+ if (error == asio::error::eof)
+ break; // Connection closed cleanly by peer.
+ else if (error)
+ throw std::system_error(error); // Some other error.
+
+ std::cout.write(buf.data(), len);
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime2/server.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime2/server.cpp
new file mode 100644
index 00000000000..971149d6e8d
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime2/server.cpp
@@ -0,0 +1,50 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <ctime>
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ tcp::acceptor acceptor(io_context, tcp::endpoint(tcp::v4(), 13));
+
+ for (;;)
+ {
+ tcp::socket socket(io_context);
+ acceptor.accept(socket);
+
+ std::string message = make_daytime_string();
+
+ std::error_code ignored_error;
+ asio::write(socket, asio::buffer(message), ignored_error);
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime3/server.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime3/server.cpp
new file mode 100644
index 00000000000..339de72d4a7
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime3/server.cpp
@@ -0,0 +1,118 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <ctime>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+class tcp_connection
+ : public std::enable_shared_from_this<tcp_connection>
+{
+public:
+ typedef std::shared_ptr<tcp_connection> pointer;
+
+ static pointer create(asio::io_context& io_context)
+ {
+ return pointer(new tcp_connection(io_context));
+ }
+
+ tcp::socket& socket()
+ {
+ return socket_;
+ }
+
+ void start()
+ {
+ message_ = make_daytime_string();
+
+ asio::async_write(socket_, asio::buffer(message_),
+ std::bind(&tcp_connection::handle_write, shared_from_this(),
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+
+private:
+ tcp_connection(asio::io_context& io_context)
+ : socket_(io_context)
+ {
+ }
+
+ void handle_write(const std::error_code& /*error*/,
+ size_t /*bytes_transferred*/)
+ {
+ }
+
+ tcp::socket socket_;
+ std::string message_;
+};
+
+class tcp_server
+{
+public:
+ tcp_server(asio::io_context& io_context)
+ : io_context_(io_context),
+ acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+ {
+ start_accept();
+ }
+
+private:
+ void start_accept()
+ {
+ tcp_connection::pointer new_connection =
+ tcp_connection::create(io_context_);
+
+ acceptor_.async_accept(new_connection->socket(),
+ std::bind(&tcp_server::handle_accept, this, new_connection,
+ asio::placeholders::error));
+ }
+
+ void handle_accept(tcp_connection::pointer new_connection,
+ const std::error_code& error)
+ {
+ if (!error)
+ {
+ new_connection->start();
+ }
+
+ start_accept();
+ }
+
+ asio::io_context& io_context_;
+ tcp::acceptor acceptor_;
+};
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+ tcp_server server(io_context);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime4/client.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime4/client.cpp
new file mode 100644
index 00000000000..15f3d5d4e98
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime4/client.cpp
@@ -0,0 +1,52 @@
+//
+// client.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <iostream>
+#include <asio.hpp>
+
+using asio::ip::udp;
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: client <host>" << std::endl;
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ udp::resolver resolver(io_context);
+ udp::endpoint receiver_endpoint =
+ *resolver.resolve(udp::v4(), argv[1], "daytime").begin();
+
+ udp::socket socket(io_context);
+ socket.open(udp::v4());
+
+ std::array<char, 1> send_buf = {{ 0 }};
+ socket.send_to(asio::buffer(send_buf), receiver_endpoint);
+
+ std::array<char, 128> recv_buf;
+ udp::endpoint sender_endpoint;
+ size_t len = socket.receive_from(
+ asio::buffer(recv_buf), sender_endpoint);
+
+ std::cout.write(recv_buf.data(), len);
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime5/server.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime5/server.cpp
new file mode 100644
index 00000000000..f47c9fa713b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime5/server.cpp
@@ -0,0 +1,53 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <ctime>
+#include <iostream>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::udp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+
+ udp::socket socket(io_context, udp::endpoint(udp::v4(), 13));
+
+ for (;;)
+ {
+ std::array<char, 1> recv_buf;
+ udp::endpoint remote_endpoint;
+ socket.receive_from(asio::buffer(recv_buf), remote_endpoint);
+
+ std::string message = make_daytime_string();
+
+ std::error_code ignored_error;
+ socket.send_to(asio::buffer(message),
+ remote_endpoint, 0, ignored_error);
+ }
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime6/server.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime6/server.cpp
new file mode 100644
index 00000000000..42c80795a9e
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime6/server.cpp
@@ -0,0 +1,89 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <ctime>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::udp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+class udp_server
+{
+public:
+ udp_server(asio::io_context& io_context)
+ : socket_(io_context, udp::endpoint(udp::v4(), 13))
+ {
+ start_receive();
+ }
+
+private:
+ void start_receive()
+ {
+ socket_.async_receive_from(
+ asio::buffer(recv_buffer_), remote_endpoint_,
+ std::bind(&udp_server::handle_receive, this,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+
+ void handle_receive(const std::error_code& error,
+ std::size_t /*bytes_transferred*/)
+ {
+ if (!error)
+ {
+ std::shared_ptr<std::string> message(
+ new std::string(make_daytime_string()));
+
+ socket_.async_send_to(asio::buffer(*message), remote_endpoint_,
+ std::bind(&udp_server::handle_send, this, message,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+
+ start_receive();
+ }
+ }
+
+ void handle_send(std::shared_ptr<std::string> /*message*/,
+ const std::error_code& /*error*/,
+ std::size_t /*bytes_transferred*/)
+ {
+ }
+
+ udp::socket socket_;
+ udp::endpoint remote_endpoint_;
+ std::array<char, 1> recv_buffer_;
+};
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+ udp_server server(io_context);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/daytime7/server.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/daytime7/server.cpp
new file mode 100644
index 00000000000..9c9c22edeb2
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/daytime7/server.cpp
@@ -0,0 +1,159 @@
+//
+// server.cpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <array>
+#include <ctime>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <asio.hpp>
+
+using asio::ip::tcp;
+using asio::ip::udp;
+
+std::string make_daytime_string()
+{
+ using namespace std; // For time_t, time and ctime;
+ time_t now = time(0);
+ return ctime(&now);
+}
+
+class tcp_connection
+ : public std::enable_shared_from_this<tcp_connection>
+{
+public:
+ typedef std::shared_ptr<tcp_connection> pointer;
+
+ static pointer create(asio::io_context& io_context)
+ {
+ return pointer(new tcp_connection(io_context));
+ }
+
+ tcp::socket& socket()
+ {
+ return socket_;
+ }
+
+ void start()
+ {
+ message_ = make_daytime_string();
+
+ asio::async_write(socket_, asio::buffer(message_),
+ std::bind(&tcp_connection::handle_write, shared_from_this()));
+ }
+
+private:
+ tcp_connection(asio::io_context& io_context)
+ : socket_(io_context)
+ {
+ }
+
+ void handle_write()
+ {
+ }
+
+ tcp::socket socket_;
+ std::string message_;
+};
+
+class tcp_server
+{
+public:
+ tcp_server(asio::io_context& io_context)
+ : io_context_(io_context),
+ acceptor_(io_context, tcp::endpoint(tcp::v4(), 13))
+ {
+ start_accept();
+ }
+
+private:
+ void start_accept()
+ {
+ tcp_connection::pointer new_connection =
+ tcp_connection::create(io_context_);
+
+ acceptor_.async_accept(new_connection->socket(),
+ std::bind(&tcp_server::handle_accept, this, new_connection,
+ asio::placeholders::error));
+ }
+
+ void handle_accept(tcp_connection::pointer new_connection,
+ const std::error_code& error)
+ {
+ if (!error)
+ {
+ new_connection->start();
+ }
+
+ start_accept();
+ }
+
+ asio::io_context& io_context_;
+ tcp::acceptor acceptor_;
+};
+
+class udp_server
+{
+public:
+ udp_server(asio::io_context& io_context)
+ : socket_(io_context, udp::endpoint(udp::v4(), 13))
+ {
+ start_receive();
+ }
+
+private:
+ void start_receive()
+ {
+ socket_.async_receive_from(
+ asio::buffer(recv_buffer_), remote_endpoint_,
+ std::bind(&udp_server::handle_receive, this,
+ asio::placeholders::error));
+ }
+
+ void handle_receive(const std::error_code& error)
+ {
+ if (!error)
+ {
+ std::shared_ptr<std::string> message(
+ new std::string(make_daytime_string()));
+
+ socket_.async_send_to(asio::buffer(*message), remote_endpoint_,
+ std::bind(&udp_server::handle_send, this, message));
+
+ start_receive();
+ }
+ }
+
+ void handle_send(std::shared_ptr<std::string> /*message*/)
+ {
+ }
+
+ udp::socket socket_;
+ udp::endpoint remote_endpoint_;
+ std::array<char, 1> recv_buffer_;
+};
+
+int main()
+{
+ try
+ {
+ asio::io_context io_context;
+ tcp_server server1(io_context);
+ udp_server server2(io_context);
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/timer1/timer.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/timer1/timer.cpp
new file mode 100644
index 00000000000..37577dcb65f
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/timer1/timer.cpp
@@ -0,0 +1,24 @@
+//
+// timer.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <asio.hpp>
+
+int main()
+{
+ asio::io_context io;
+
+ asio::steady_timer t(io, asio::chrono::seconds(5));
+ t.wait();
+
+ std::cout << "Hello, world!" << std::endl;
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/timer2/timer.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/timer2/timer.cpp
new file mode 100644
index 00000000000..c1620d78fa5
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/timer2/timer.cpp
@@ -0,0 +1,29 @@
+//
+// timer.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <iostream>
+#include <asio.hpp>
+
+void print(const std::error_code& /*e*/)
+{
+ std::cout << "Hello, world!" << std::endl;
+}
+
+int main()
+{
+ asio::io_context io;
+
+ asio::steady_timer t(io, asio::chrono::seconds(5));
+ t.async_wait(&print);
+
+ io.run();
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/timer3/timer.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/timer3/timer.cpp
new file mode 100644
index 00000000000..990ea069739
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/timer3/timer.cpp
@@ -0,0 +1,43 @@
+//
+// timer.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <functional>
+#include <iostream>
+#include <asio.hpp>
+
+void print(const std::error_code& /*e*/,
+ asio::steady_timer* t, int* count)
+{
+ if (*count < 5)
+ {
+ std::cout << *count << std::endl;
+ ++(*count);
+
+ t->expires_at(t->expiry() + asio::chrono::seconds(1));
+ t->async_wait(std::bind(print,
+ asio::placeholders::error, t, count));
+ }
+}
+
+int main()
+{
+ asio::io_context io;
+
+ int count = 0;
+ asio::steady_timer t(io, asio::chrono::seconds(1));
+ t.async_wait(std::bind(print,
+ asio::placeholders::error, &t, &count));
+
+ io.run();
+
+ std::cout << "Final count is " << count << std::endl;
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/timer4/timer.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/timer4/timer.cpp
new file mode 100644
index 00000000000..7bfdd3e43a8
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/timer4/timer.cpp
@@ -0,0 +1,54 @@
+//
+// timer.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <functional>
+#include <iostream>
+#include <asio.hpp>
+
+class printer
+{
+public:
+ printer(asio::io_context& io)
+ : timer_(io, asio::chrono::seconds(1)),
+ count_(0)
+ {
+ timer_.async_wait(std::bind(&printer::print, this));
+ }
+
+ ~printer()
+ {
+ std::cout << "Final count is " << count_ << std::endl;
+ }
+
+ void print()
+ {
+ if (count_ < 5)
+ {
+ std::cout << count_ << std::endl;
+ ++count_;
+
+ timer_.expires_at(timer_.expiry() + asio::chrono::seconds(1));
+ timer_.async_wait(std::bind(&printer::print, this));
+ }
+ }
+
+private:
+ asio::steady_timer timer_;
+ int count_;
+};
+
+int main()
+{
+ asio::io_context io;
+ printer p(io);
+ io.run();
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/tutorial/timer5/timer.cpp b/3rdparty/asio/src/examples/cpp11/tutorial/timer5/timer.cpp
new file mode 100644
index 00000000000..61830691e7a
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/tutorial/timer5/timer.cpp
@@ -0,0 +1,81 @@
+//
+// timer.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <functional>
+#include <iostream>
+#include <thread>
+#include <asio.hpp>
+
+class printer
+{
+public:
+ printer(asio::io_context& io)
+ : strand_(asio::make_strand(io)),
+ timer1_(io, asio::chrono::seconds(1)),
+ timer2_(io, asio::chrono::seconds(1)),
+ count_(0)
+ {
+ timer1_.async_wait(asio::bind_executor(strand_,
+ std::bind(&printer::print1, this)));
+
+ timer2_.async_wait(asio::bind_executor(strand_,
+ std::bind(&printer::print2, this)));
+ }
+
+ ~printer()
+ {
+ std::cout << "Final count is " << count_ << std::endl;
+ }
+
+ void print1()
+ {
+ if (count_ < 10)
+ {
+ std::cout << "Timer 1: " << count_ << std::endl;
+ ++count_;
+
+ timer1_.expires_at(timer1_.expiry() + asio::chrono::seconds(1));
+
+ timer1_.async_wait(asio::bind_executor(strand_,
+ std::bind(&printer::print1, this)));
+ }
+ }
+
+ void print2()
+ {
+ if (count_ < 10)
+ {
+ std::cout << "Timer 2: " << count_ << std::endl;
+ ++count_;
+
+ timer2_.expires_at(timer2_.expiry() + asio::chrono::seconds(1));
+
+ timer2_.async_wait(asio::bind_executor(strand_,
+ std::bind(&printer::print2, this)));
+ }
+ }
+
+private:
+ asio::strand<asio::io_context::executor_type> strand_;
+ asio::steady_timer timer1_;
+ asio::steady_timer timer2_;
+ int count_;
+};
+
+int main()
+{
+ asio::io_context io;
+ printer p(io);
+ std::thread t([&]{ io.run(); });
+ io.run();
+ t.join();
+
+ return 0;
+}
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/line_reader.hpp b/3rdparty/asio/src/examples/cpp11/type_erasure/line_reader.hpp
new file mode 100644
index 00000000000..87f05486b79
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/line_reader.hpp
@@ -0,0 +1,48 @@
+//
+// line_reader.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef LINE_READER_HPP
+#define LINE_READER_HPP
+
+#include <asio/any_completion_handler.hpp>
+#include <asio/async_result.hpp>
+#include <asio/error.hpp>
+#include <string>
+
+class line_reader
+{
+private:
+ virtual void async_read_line_impl(std::string prompt,
+ asio::any_completion_handler<void(std::error_code, std::string)> handler) = 0;
+
+ struct initiate_read_line
+ {
+ template <typename Handler>
+ void operator()(Handler handler, line_reader* self, std::string prompt)
+ {
+ self->async_read_line_impl(std::move(prompt), std::move(handler));
+ }
+ };
+
+public:
+ virtual ~line_reader() {}
+
+ template <typename CompletionToken>
+ auto async_read_line(std::string prompt, CompletionToken&& token)
+ -> decltype(
+ asio::async_initiate<CompletionToken, void(std::error_code, std::string)>(
+ initiate_read_line(), token, this, prompt))
+ {
+ return asio::async_initiate<CompletionToken, void(std::error_code, std::string)>(
+ initiate_read_line(), token, this, prompt);
+ }
+};
+
+#endif // LINE_READER_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/main.cpp b/3rdparty/asio/src/examples/cpp11/type_erasure/main.cpp
new file mode 100644
index 00000000000..2111de6853b
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/main.cpp
@@ -0,0 +1,60 @@
+//
+// main.cpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "line_reader.hpp"
+#include "sleep.hpp"
+#include "stdin_line_reader.hpp"
+#include <asio/coroutine.hpp>
+#include <asio/detached.hpp>
+#include <asio/io_context.hpp>
+#include <asio/use_awaitable.hpp>
+#include <iostream>
+
+#include <asio/yield.hpp>
+
+class read_loop : asio::coroutine
+{
+public:
+ read_loop(asio::any_io_executor e, line_reader& r)
+ : executor(std::move(e)),
+ reader(r)
+ {
+ }
+
+ void operator()(std::error_code ec = {}, std::string line = {})
+ {
+ reenter (this)
+ {
+ for (i = 0; i < 10; ++i)
+ {
+ yield reader.async_read_line("Enter something: ", *this);
+ if (ec) break;
+ std::cout << line;
+ yield async_sleep(executor, std::chrono::seconds(1), *this);
+ if (ec) break;
+ }
+ }
+ }
+
+private:
+ asio::any_io_executor executor;
+ line_reader& reader;
+ int i;
+};
+
+#include <asio/unyield.hpp>
+
+int main()
+{
+ asio::io_context ctx{1};
+ stdin_line_reader reader{ctx.get_executor()};
+ read_loop(ctx.get_executor(), reader)();
+ ctx.run();
+}
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.cpp b/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.cpp
new file mode 100644
index 00000000000..b605866ebd7
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.cpp
@@ -0,0 +1,22 @@
+//
+// sleep.cpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "sleep.hpp"
+#include <asio/consign.hpp>
+#include <asio/steady_timer.hpp>
+#include <memory>
+
+void async_sleep_impl(
+ asio::any_completion_handler<void(std::error_code)> handler,
+ asio::any_io_executor ex, std::chrono::nanoseconds duration)
+{
+ auto timer = std::make_shared<asio::steady_timer>(ex, duration);
+ timer->async_wait(asio::consign(std::move(handler), timer));
+}
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.hpp b/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.hpp
new file mode 100644
index 00000000000..299397a833c
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/sleep.hpp
@@ -0,0 +1,35 @@
+//
+// sleep.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef SLEEP_HPP
+#define SLEEP_HPP
+
+#include <asio/any_completion_handler.hpp>
+#include <asio/any_io_executor.hpp>
+#include <asio/async_result.hpp>
+#include <asio/error.hpp>
+#include <chrono>
+
+void async_sleep_impl(
+ asio::any_completion_handler<void(std::error_code)> handler,
+ asio::any_io_executor ex, std::chrono::nanoseconds duration);
+
+template <typename CompletionToken>
+inline auto async_sleep(asio::any_io_executor ex,
+ std::chrono::nanoseconds duration, CompletionToken&& token)
+ -> decltype(
+ asio::async_initiate<CompletionToken, void(std::error_code)>(
+ async_sleep_impl, token, std::move(ex), duration))
+{
+ return asio::async_initiate<CompletionToken, void(std::error_code)>(
+ async_sleep_impl, token, std::move(ex), duration);
+}
+
+#endif // SLEEP_HPP
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.cpp b/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.cpp
new file mode 100644
index 00000000000..d2e25e437a6
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.cpp
@@ -0,0 +1,44 @@
+//
+// stdin_line_reader.cpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include "stdin_line_reader.hpp"
+#include <asio/deferred.hpp>
+#include <asio/read_until.hpp>
+#include <iostream>
+
+stdin_line_reader::stdin_line_reader(asio::any_io_executor ex)
+ : stdin_(ex, ::dup(STDIN_FILENO))
+{
+}
+
+void stdin_line_reader::async_read_line_impl(std::string prompt,
+ asio::any_completion_handler<void(std::error_code, std::string)> handler)
+{
+ std::cout << prompt;
+ std::cout.flush();
+
+ asio::async_read_until(stdin_, asio::dynamic_buffer(buffer_), '\n',
+ asio::deferred(
+ [this](std::error_code ec, std::size_t n)
+ {
+ if (!ec)
+ {
+ std::string result = buffer_.substr(0, n);
+ buffer_.erase(0, n);
+ return asio::deferred.values(ec, std::move(result));
+ }
+ else
+ {
+ return asio::deferred.values(ec, std::string{});
+ }
+ }
+ )
+ )(std::move(handler));
+}
diff --git a/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.hpp b/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.hpp
new file mode 100644
index 00000000000..43e67424367
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/type_erasure/stdin_line_reader.hpp
@@ -0,0 +1,30 @@
+//
+// stdin_line_reader.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef STDIN_LINE_READER_HPP
+#define STDIN_LINE_READER_HPP
+
+#include "line_reader.hpp"
+#include <asio/posix/stream_descriptor.hpp>
+
+class stdin_line_reader : public line_reader
+{
+public:
+ explicit stdin_line_reader(asio::any_io_executor ex);
+
+private:
+ void async_read_line_impl(std::string prompt,
+ asio::any_completion_handler<void(std::error_code, std::string)> handler) override;
+
+ asio::posix::stream_descriptor stdin_;
+ std::string buffer_;
+};
+
+#endif
diff --git a/3rdparty/asio/src/examples/cpp11/windows/transmit_file.cpp b/3rdparty/asio/src/examples/cpp11/windows/transmit_file.cpp
new file mode 100644
index 00000000000..0ffd0486c43
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp11/windows/transmit_file.cpp
@@ -0,0 +1,176 @@
+//
+// transmit_file.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <ctime>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <string>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
+
+using asio::ip::tcp;
+using asio::windows::overlapped_ptr;
+using asio::windows::random_access_handle;
+
+typedef asio::basic_stream_socket<tcp,
+ asio::io_context::executor_type> tcp_socket;
+
+typedef asio::basic_socket_acceptor<tcp,
+ asio::io_context::executor_type> tcp_acceptor;
+
+// A wrapper for the TransmitFile overlapped I/O operation.
+template <typename Handler>
+void transmit_file(tcp_socket& socket,
+ random_access_handle& file, Handler handler)
+{
+ // Construct an OVERLAPPED-derived object to contain the handler.
+ overlapped_ptr overlapped(socket.get_executor().context(), handler);
+
+ // Initiate the TransmitFile operation.
+ BOOL ok = ::TransmitFile(socket.native_handle(),
+ file.native_handle(), 0, 0, overlapped.get(), 0, 0);
+ DWORD last_error = ::GetLastError();
+
+ // Check if the operation completed immediately.
+ if (!ok && last_error != ERROR_IO_PENDING)
+ {
+ // The operation completed immediately, so a completion notification needs
+ // to be posted. When complete() is called, ownership of the OVERLAPPED-
+ // derived object passes to the io_context.
+ std::error_code ec(last_error,
+ asio::error::get_system_category());
+ overlapped.complete(ec, 0);
+ }
+ else
+ {
+ // The operation was successfully initiated, so ownership of the
+ // OVERLAPPED-derived object has passed to the io_context.
+ overlapped.release();
+ }
+}
+
+class connection
+ : public std::enable_shared_from_this<connection>
+{
+public:
+ typedef std::shared_ptr<connection> pointer;
+
+ static pointer create(asio::io_context& io_context,
+ const std::string& filename)
+ {
+ return pointer(new connection(io_context, filename));
+ }
+
+ tcp_socket& socket()
+ {
+ return socket_;
+ }
+
+ void start()
+ {
+ std::error_code ec;
+ file_.assign(::CreateFile(filename_.c_str(), GENERIC_READ, 0, 0,
+ OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, 0), ec);
+ if (file_.is_open())
+ {
+ transmit_file(socket_, file_,
+ std::bind(&connection::handle_write, shared_from_this(),
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+ }
+
+private:
+ connection(asio::io_context& io_context, const std::string& filename)
+ : socket_(io_context),
+ filename_(filename),
+ file_(io_context)
+ {
+ }
+
+ void handle_write(const std::error_code& /*error*/,
+ size_t /*bytes_transferred*/)
+ {
+ std::error_code ignored_ec;
+ socket_.shutdown(tcp_socket::shutdown_both, ignored_ec);
+ }
+
+ tcp_socket socket_;
+ std::string filename_;
+ random_access_handle file_;
+};
+
+class server
+{
+public:
+ server(asio::io_context& io_context,
+ unsigned short port, const std::string& filename)
+ : acceptor_(io_context, tcp::endpoint(tcp::v4(), port)),
+ filename_(filename)
+ {
+ start_accept();
+ }
+
+private:
+ void start_accept()
+ {
+ connection::pointer new_connection =
+ connection::create(acceptor_.get_executor().context(), filename_);
+
+ acceptor_.async_accept(new_connection->socket(),
+ std::bind(&server::handle_accept, this, new_connection,
+ asio::placeholders::error));
+ }
+
+ void handle_accept(connection::pointer new_connection,
+ const std::error_code& error)
+ {
+ if (!error)
+ {
+ new_connection->start();
+ }
+
+ start_accept();
+ }
+
+ tcp_acceptor acceptor_;
+ std::string filename_;
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 3)
+ {
+ std::cerr << "Usage: transmit_file <port> <filename>\n";
+ return 1;
+ }
+
+ asio::io_context io_context;
+
+ using namespace std; // For atoi.
+ server s(io_context, atoi(argv[1]), argv[2]);
+
+ io_context.run();
+ }
+ catch (std::exception& e)
+ {
+ std::cerr << e.what() << std::endl;
+ }
+
+ return 0;
+}
+
+#else // defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)
+# error Overlapped I/O not available on this platform
+#endif // defined(ASIO_HAS_WINDOWS_OVERLAPPED_PTR)