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-rw-r--r--3rdparty/asio/include/asio/impl/read.hpp928
1 files changed, 706 insertions, 222 deletions
diff --git a/3rdparty/asio/include/asio/impl/read.hpp b/3rdparty/asio/include/asio/impl/read.hpp
index 385a552ed8e..fb176d4343c 100644
--- a/3rdparty/asio/include/asio/impl/read.hpp
+++ b/3rdparty/asio/include/asio/impl/read.hpp
@@ -2,7 +2,7 @@
// impl/read.hpp
// ~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2021 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)
@@ -16,11 +16,11 @@
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <algorithm>
-#include "asio/associated_allocator.hpp"
-#include "asio/associated_executor.hpp"
+#include "asio/associator.hpp"
#include "asio/buffer.hpp"
#include "asio/completion_condition.hpp"
#include "asio/detail/array_fwd.hpp"
+#include "asio/detail/base_from_cancellation_state.hpp"
#include "asio/detail/base_from_completion_cond.hpp"
#include "asio/detail/bind_handler.hpp"
#include "asio/detail/consuming_buffers.hpp"
@@ -28,7 +28,9 @@
#include "asio/detail/handler_alloc_helpers.hpp"
#include "asio/detail/handler_cont_helpers.hpp"
#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/handler_tracking.hpp"
#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
#include "asio/detail/throw_error.hpp"
#include "asio/error.hpp"
@@ -55,7 +57,7 @@ namespace detail
else
break;
}
- return tmp.total_consumed();;
+ return tmp.total_consumed();
}
} // namespace detail
@@ -63,19 +65,20 @@ template <typename SyncReadStream, typename MutableBufferSequence,
typename CompletionCondition>
std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
CompletionCondition completion_condition, asio::error_code& ec,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
return detail::read_buffer_sequence(s, buffers,
- asio::buffer_sequence_begin(buffers), completion_condition, ec);
+ asio::buffer_sequence_begin(buffers),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}
template <typename SyncReadStream, typename MutableBufferSequence>
inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
asio::error_code ec;
std::size_t bytes_transferred = read(s, buffers, transfer_all(), ec);
@@ -86,9 +89,9 @@ inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
template <typename SyncReadStream, typename MutableBufferSequence>
inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
asio::error_code& ec,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
return read(s, buffers, transfer_all(), ec);
}
@@ -97,27 +100,33 @@ template <typename SyncReadStream, typename MutableBufferSequence,
typename CompletionCondition>
inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers,
CompletionCondition completion_condition,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
asio::error_code ec;
- std::size_t bytes_transferred = read(s, buffers, completion_condition, ec);
+ std::size_t bytes_transferred = read(s, buffers,
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
asio::detail::throw_error(ec, "read");
return bytes_transferred;
}
-template <typename SyncReadStream, typename DynamicBuffer,
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition>
std::size_t read(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition, asio::error_code& ec,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
- typename decay<DynamicBuffer>::type b(
- ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ typename decay<DynamicBuffer_v1>::type b(
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
ec = asio::error_code();
std::size_t total_transferred = 0;
@@ -140,45 +149,54 @@ std::size_t read(SyncReadStream& s,
return total_transferred;
}
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
inline std::size_t read(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
asio::error_code ec;
std::size_t bytes_transferred = read(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers), transfer_all(), ec);
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), transfer_all(), ec);
asio::detail::throw_error(ec, "read");
return bytes_transferred;
}
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
inline std::size_t read(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
asio::error_code& ec,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
- return read(s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+ return read(s, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all(), ec);
}
-template <typename SyncReadStream, typename DynamicBuffer,
+template <typename SyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition>
inline std::size_t read(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
asio::error_code ec;
std::size_t bytes_transferred = read(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- completion_condition, ec);
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
asio::detail::throw_error(ec, "read");
return bytes_transferred;
}
@@ -192,7 +210,8 @@ inline std::size_t read(SyncReadStream& s,
asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition, asio::error_code& ec)
{
- return read(s, basic_streambuf_ref<Allocator>(b), completion_condition, ec);
+ return read(s, basic_streambuf_ref<Allocator>(b),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}
template <typename SyncReadStream, typename Allocator>
@@ -216,11 +235,87 @@ inline std::size_t read(SyncReadStream& s,
asio::basic_streambuf<Allocator>& b,
CompletionCondition completion_condition)
{
- return read(s, basic_streambuf_ref<Allocator>(b), completion_condition);
+ return read(s, basic_streambuf_ref<Allocator>(b),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
#endif // !defined(ASIO_NO_IOSTREAM)
#endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition>
+std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ CompletionCondition completion_condition, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ ec = asio::error_code();
+ std::size_t total_transferred = 0;
+ std::size_t max_size = detail::adapt_completion_condition_result(
+ completion_condition(ec, total_transferred));
+ std::size_t bytes_available = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(max_size, b.max_size() - b.size()));
+ while (bytes_available > 0)
+ {
+ std::size_t pos = b.size();
+ b.grow(bytes_available);
+ std::size_t bytes_transferred = s.read_some(
+ b.data(pos, bytes_available), ec);
+ b.shrink(bytes_available - bytes_transferred);
+ total_transferred += bytes_transferred;
+ max_size = detail::adapt_completion_condition_result(
+ completion_condition(ec, total_transferred));
+ bytes_available = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(max_size, b.max_size() - b.size()));
+ }
+ return total_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), transfer_all(), ec);
+ asio::detail::throw_error(ec, "read");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return read(s, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ transfer_all(), ec);
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition>
+inline std::size_t read(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ CompletionCondition completion_condition,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
+ asio::detail::throw_error(ec, "read");
+ return bytes_transferred;
+}
namespace detail
{
@@ -228,13 +323,15 @@ namespace detail
typename MutableBufferIterator, typename CompletionCondition,
typename ReadHandler>
class read_op
- : detail::base_from_completion_cond<CompletionCondition>
+ : public base_from_cancellation_state<ReadHandler>,
+ base_from_completion_cond<CompletionCondition>
{
public:
read_op(AsyncReadStream& stream, const MutableBufferSequence& buffers,
- CompletionCondition completion_condition, ReadHandler& handler)
- : detail::base_from_completion_cond<
- CompletionCondition>(completion_condition),
+ CompletionCondition& completion_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ base_from_completion_cond<CompletionCondition>(completion_condition),
stream_(stream),
buffers_(buffers),
start_(0),
@@ -244,7 +341,8 @@ namespace detail
#if defined(ASIO_HAS_MOVE)
read_op(const read_op& other)
- : detail::base_from_completion_cond<CompletionCondition>(other),
+ : base_from_cancellation_state<ReadHandler>(other),
+ base_from_completion_cond<CompletionCondition>(other),
stream_(other.stream_),
buffers_(other.buffers_),
start_(other.start_),
@@ -253,16 +351,21 @@ namespace detail
}
read_op(read_op&& other)
- : detail::base_from_completion_cond<CompletionCondition>(other),
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ base_from_completion_cond<CompletionCondition>(
+ ASIO_MOVE_CAST(base_from_completion_cond<
+ CompletionCondition>)(other)),
stream_(other.stream_),
- buffers_(other.buffers_),
+ buffers_(ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
start_(other.start_),
handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
{
}
#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ void operator()(asio::error_code ec,
std::size_t bytes_transferred, int start = 0)
{
std::size_t max_size;
@@ -270,25 +373,39 @@ namespace detail
{
case 1:
max_size = this->check_for_completion(ec, buffers_.total_consumed());
- do
+ for (;;)
{
- stream_.async_read_some(buffers_.prepare(max_size),
- ASIO_MOVE_CAST(read_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_read"));
+ stream_.async_read_some(buffers_.prepare(max_size),
+ ASIO_MOVE_CAST(read_op)(*this));
+ }
return; default:
buffers_.consume(bytes_transferred);
if ((!ec && bytes_transferred == 0) || buffers_.empty())
break;
max_size = this->check_for_completion(ec, buffers_.total_consumed());
- } while (max_size > 0);
+ if (max_size == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
- handler_(ec, buffers_.total_consumed());
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(
+ static_cast<const asio::error_code&>(ec),
+ static_cast<const std::size_t&>(buffers_.total_consumed()));
}
}
//private:
+ typedef asio::detail::consuming_buffers<mutable_buffer,
+ MutableBufferSequence, MutableBufferIterator> buffers_type;
+
AsyncReadStream& stream_;
- asio::detail::consuming_buffers<mutable_buffer,
- MutableBufferSequence, MutableBufferIterator> buffers_;
+ buffers_type buffers_;
int start_;
ReadHandler handler_;
};
@@ -296,23 +413,33 @@ namespace detail
template <typename AsyncReadStream, typename MutableBufferSequence,
typename MutableBufferIterator, typename CompletionCondition,
typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
read_op<AsyncReadStream, MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>* this_handler)
{
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncReadStream, typename MutableBufferSequence,
typename MutableBufferIterator, typename CompletionCondition,
typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
read_op<AsyncReadStream, MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncReadStream, typename MutableBufferSequence,
@@ -330,23 +457,31 @@ namespace detail
template <typename Function, typename AsyncReadStream,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
read_op<AsyncReadStream, MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncReadStream,
typename MutableBufferSequence, typename MutableBufferIterator,
typename CompletionCondition, typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
read_op<AsyncReadStream, MutableBufferSequence, MutableBufferIterator,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename AsyncReadStream, typename MutableBufferSequence,
@@ -354,120 +489,129 @@ namespace detail
typename ReadHandler>
inline void start_read_buffer_sequence_op(AsyncReadStream& stream,
const MutableBufferSequence& buffers, const MutableBufferIterator&,
- CompletionCondition completion_condition, ReadHandler& handler)
+ CompletionCondition& completion_condition, ReadHandler& handler)
{
detail::read_op<AsyncReadStream, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>(
stream, buffers, completion_condition, handler)(
asio::error_code(), 0, 1);
}
-} // namespace detail
-#if !defined(GENERATING_DOCUMENTATION)
+ template <typename AsyncReadStream>
+ class initiate_async_read_buffer_sequence
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
-template <typename AsyncReadStream, typename MutableBufferSequence,
- typename MutableBufferIterator, typename CompletionCondition,
- typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_op<AsyncReadStream, MutableBufferSequence,
- MutableBufferIterator, CompletionCondition, ReadHandler>,
- Allocator>
-{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+ explicit initiate_async_read_buffer_sequence(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
- static type get(
- const detail::read_op<AsyncReadStream, MutableBufferSequence,
- MutableBufferIterator, CompletionCondition, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
- }
-};
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
-template <typename AsyncReadStream, typename MutableBufferSequence,
+ template <typename ReadHandler, typename MutableBufferSequence,
+ typename CompletionCondition>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ const MutableBufferSequence& buffers,
+ ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+ start_read_buffer_sequence_op(stream_, buffers,
+ asio::buffer_sequence_begin(buffers),
+ completion_cond2.value, handler2.value);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename MutableBufferSequence,
typename MutableBufferIterator, typename CompletionCondition,
- typename ReadHandler, typename Executor>
-struct associated_executor<
+ typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
detail::read_op<AsyncReadStream, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>,
- Executor>
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
-
- static type get(
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
const detail::read_op<AsyncReadStream, MutableBufferSequence,
MutableBufferIterator, CompletionCondition, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename MutableBufferSequence,
- typename CompletionCondition, typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+template <typename AsyncReadStream,
+ typename MutableBufferSequence, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::start_read_buffer_sequence_op(s, buffers,
- asio::buffer_sequence_begin(buffers), completion_condition,
- init.completion_handler);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_buffer_sequence<AsyncReadStream>(s), handler,
+ buffers, ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
template <typename AsyncReadStream, typename MutableBufferSequence,
- typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s, const MutableBufferSequence& buffers,
ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<
+ typename constraint<
is_mutable_buffer_sequence<MutableBufferSequence>::value
- >::type*)
+ >::type)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::start_read_buffer_sequence_op(s, buffers,
- asio::buffer_sequence_begin(buffers), transfer_all(),
- init.completion_handler);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_buffer_sequence<AsyncReadStream>(s),
+ handler, buffers, transfer_all());
}
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
namespace detail
{
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename ReadHandler>
- class read_dynbuf_op
- : detail::base_from_completion_cond<CompletionCondition>
+ class read_dynbuf_v1_op
+ : public base_from_cancellation_state<ReadHandler>,
+ base_from_completion_cond<CompletionCondition>
{
public:
template <typename BufferSequence>
- read_dynbuf_op(AsyncReadStream& stream,
+ read_dynbuf_v1_op(AsyncReadStream& stream,
ASIO_MOVE_ARG(BufferSequence) buffers,
- CompletionCondition completion_condition, ReadHandler& handler)
- : detail::base_from_completion_cond<
- CompletionCondition>(completion_condition),
+ CompletionCondition& completion_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ base_from_completion_cond<CompletionCondition>(completion_condition),
stream_(stream),
buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
start_(0),
@@ -477,8 +621,9 @@ namespace detail
}
#if defined(ASIO_HAS_MOVE)
- read_dynbuf_op(const read_dynbuf_op& other)
- : detail::base_from_completion_cond<CompletionCondition>(other),
+ read_dynbuf_v1_op(const read_dynbuf_v1_op& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ base_from_completion_cond<CompletionCondition>(other),
stream_(other.stream_),
buffers_(other.buffers_),
start_(other.start_),
@@ -487,10 +632,15 @@ namespace detail
{
}
- read_dynbuf_op(read_dynbuf_op&& other)
- : detail::base_from_completion_cond<CompletionCondition>(other),
+ read_dynbuf_v1_op(read_dynbuf_v1_op&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ base_from_completion_cond<CompletionCondition>(
+ ASIO_MOVE_CAST(base_from_completion_cond<
+ CompletionCondition>)(other)),
stream_(other.stream_),
- buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
start_(other.start_),
total_transferred_(other.total_transferred_),
handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
@@ -498,7 +648,7 @@ namespace detail
}
#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ void operator()(asio::error_code ec,
std::size_t bytes_transferred, int start = 0)
{
std::size_t max_size, bytes_available;
@@ -513,8 +663,11 @@ namespace detail
buffers_.max_size() - buffers_.size()));
for (;;)
{
- stream_.async_read_some(buffers_.prepare(bytes_available),
- ASIO_MOVE_CAST(read_dynbuf_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_read"));
+ stream_.async_read_some(buffers_.prepare(bytes_available),
+ ASIO_MOVE_CAST(read_dynbuf_v1_op)(*this));
+ }
return; default:
total_transferred_ += bytes_transferred;
buffers_.commit(bytes_transferred);
@@ -526,44 +679,61 @@ namespace detail
buffers_.max_size() - buffers_.size()));
if ((!ec && bytes_transferred == 0) || bytes_available == 0)
break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
}
- handler_(ec, static_cast<const std::size_t&>(total_transferred_));
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(
+ static_cast<const asio::error_code&>(ec),
+ static_cast<const std::size_t&>(total_transferred_));
}
}
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
int start_;
std::size_t total_transferred_;
ReadHandler handler_;
};
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
- read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
CompletionCondition, ReadHandler>* this_handler)
{
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
return asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
}
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename CompletionCondition, typename ReadHandler>
inline bool asio_handler_is_continuation(
- read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+ read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
CompletionCondition, ReadHandler>* this_handler)
{
return this_handler->start_ == 0 ? true
@@ -572,119 +742,149 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename CompletionCondition,
+ typename DynamicBuffer_v1, typename CompletionCondition,
typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
- read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename CompletionCondition,
+ typename DynamicBuffer_v1, typename CompletionCondition,
typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
- read_dynbuf_op<AsyncReadStream, DynamicBuffer,
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_dynbuf_v1_op<AsyncReadStream, DynamicBuffer_v1,
CompletionCondition, ReadHandler>* this_handler)
{
asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
}
-} // namespace detail
-#if !defined(GENERATING_DOCUMENTATION)
+ template <typename AsyncReadStream>
+ class initiate_async_read_dynbuf_v1
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename CompletionCondition, typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_dynbuf_op<AsyncReadStream,
- DynamicBuffer, CompletionCondition, ReadHandler>,
- Allocator>
-{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+ explicit initiate_async_read_dynbuf_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
- static type get(
- const detail::read_dynbuf_op<AsyncReadStream,
- DynamicBuffer, CompletionCondition, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
- {
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
- }
-};
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename CompletionCondition, typename ReadHandler, typename Executor>
-struct associated_executor<
- detail::read_dynbuf_op<AsyncReadStream,
- DynamicBuffer, CompletionCondition, ReadHandler>,
- Executor>
-{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
+ template <typename ReadHandler, typename DynamicBuffer_v1,
+ typename CompletionCondition>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+ read_dynbuf_v1_op<AsyncReadStream, typename decay<DynamicBuffer_v1>::type,
+ CompletionCondition, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ completion_cond2.value, handler2.value)(
+ asio::error_code(), 0, 1);
+ }
- static type get(
- const detail::read_dynbuf_op<AsyncReadStream,
- DynamicBuffer, CompletionCondition, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename CompletionCondition, typename ReadHandler,
+ typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_dynbuf_v1_op<AsyncReadStream,
+ DynamicBuffer_v1, CompletionCondition, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_dynbuf_v1_op<AsyncReadStream,
+ DynamicBuffer_v1, CompletionCondition, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
return async_read(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
transfer_all(), ASIO_MOVE_CAST(ReadHandler)(handler));
}
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename CompletionCondition, typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<
- is_dynamic_buffer<DynamicBuffer>::value
- >::type*)
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::read_dynbuf_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- CompletionCondition, ASIO_HANDLER_TYPE(
- ReadHandler, void (asio::error_code, std::size_t))>(
- s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- completion_condition, init.completion_handler)(
- asio::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_dynbuf_v1<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}
#if !defined(ASIO_NO_EXTENSIONS)
#if !defined(ASIO_NO_IOSTREAM)
-template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+template <typename AsyncReadStream, typename Allocator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
ASIO_MOVE_ARG(ReadHandler) handler)
@@ -693,20 +893,304 @@ async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
ASIO_MOVE_CAST(ReadHandler)(handler));
}
-template <typename AsyncReadStream, typename Allocator,
- typename CompletionCondition, typename ReadHandler>
-inline ASIO_INITFN_RESULT_TYPE(ReadHandler,
+template <typename AsyncReadStream,
+ typename Allocator, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
void (asio::error_code, std::size_t))
async_read(AsyncReadStream& s, basic_streambuf<Allocator>& b,
CompletionCondition completion_condition,
ASIO_MOVE_ARG(ReadHandler) handler)
{
return async_read(s, basic_streambuf_ref<Allocator>(b),
- completion_condition, ASIO_MOVE_CAST(ReadHandler)(handler));
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
+ ASIO_MOVE_CAST(ReadHandler)(handler));
}
#endif // !defined(ASIO_NO_IOSTREAM)
#endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename ReadHandler>
+ class read_dynbuf_v2_op
+ : public base_from_cancellation_state<ReadHandler>,
+ base_from_completion_cond<CompletionCondition>
+ {
+ public:
+ template <typename BufferSequence>
+ read_dynbuf_v2_op(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ CompletionCondition& completion_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ base_from_completion_cond<CompletionCondition>(completion_condition),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ start_(0),
+ total_transferred_(0),
+ bytes_available_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_dynbuf_v2_op(const read_dynbuf_v2_op& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ base_from_completion_cond<CompletionCondition>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ start_(other.start_),
+ total_transferred_(other.total_transferred_),
+ bytes_available_(other.bytes_available_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_dynbuf_v2_op(read_dynbuf_v2_op&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ base_from_completion_cond<CompletionCondition>(
+ ASIO_MOVE_CAST(base_from_completion_cond<
+ CompletionCondition>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ start_(other.start_),
+ total_transferred_(other.total_transferred_),
+ bytes_available_(other.bytes_available_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ std::size_t max_size, pos;
+ switch (start_ = start)
+ {
+ case 1:
+ max_size = this->check_for_completion(ec, total_transferred_);
+ bytes_available_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(max_size,
+ buffers_.max_size() - buffers_.size()));
+ for (;;)
+ {
+ pos = buffers_.size();
+ buffers_.grow(bytes_available_);
+ {
+ ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_read"));
+ stream_.async_read_some(buffers_.data(pos, bytes_available_),
+ ASIO_MOVE_CAST(read_dynbuf_v2_op)(*this));
+ }
+ return; default:
+ total_transferred_ += bytes_transferred;
+ buffers_.shrink(bytes_available_ - bytes_transferred);
+ max_size = this->check_for_completion(ec, total_transferred_);
+ bytes_available_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(max_size,
+ buffers_.max_size() - buffers_.size()));
+ if ((!ec && bytes_transferred == 0) || bytes_available_ == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(
+ static_cast<const asio::error_code&>(ec),
+ static_cast<const std::size_t&>(total_transferred_));
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v2 buffers_;
+ int start_;
+ std::size_t total_transferred_;
+ std::size_t bytes_available_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+ CompletionCondition, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+ CompletionCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+ CompletionCondition, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename CompletionCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+ CompletionCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename CompletionCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_dynbuf_v2_op<AsyncReadStream, DynamicBuffer_v2,
+ CompletionCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_dynbuf_v2
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_dynbuf_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2,
+ typename CompletionCondition>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
+ read_dynbuf_v2_op<AsyncReadStream, typename decay<DynamicBuffer_v2>::type,
+ CompletionCondition, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ completion_cond2.value, handler2.value)(
+ asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename CompletionCondition, typename ReadHandler,
+ typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_dynbuf_v2_op<AsyncReadStream,
+ DynamicBuffer_v2, CompletionCondition, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_dynbuf_v2_op<AsyncReadStream,
+ DynamicBuffer_v2, CompletionCondition, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_read(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ transfer_all(), ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename CompletionCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ CompletionCondition completion_condition,
+ ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_dynbuf_v2<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
+}
} // namespace asio