summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/local/stream_server.cpp')
-rw-r--r--3rdparty/asio/src/examples/cpp03/local/stream_server.cpp141
1 files changed, 141 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp b/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp
new file mode 100644
index 00000000000..de255ef1d55
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp03/local/stream_server.cpp
@@ -0,0 +1,141 @@
+//
+// stream_server.cpp
+// ~~~~~~~~~~~~~~~~~
+//
+// 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)
+//
+
+#include <cstdio>
+#include <iostream>
+#include <boost/array.hpp>
+#include <boost/bind/bind.hpp>
+#include <boost/enable_shared_from_this.hpp>
+#include <boost/shared_ptr.hpp>
+#include "asio.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+using asio::local::stream_protocol;
+
+class session
+ : public boost::enable_shared_from_this<session>
+{
+public:
+ session(asio::io_context& io_context)
+ : socket_(io_context)
+ {
+ }
+
+ stream_protocol::socket& socket()
+ {
+ return socket_;
+ }
+
+ void start()
+ {
+ socket_.async_read_some(asio::buffer(data_),
+ boost::bind(&session::handle_read,
+ shared_from_this(),
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+
+ void handle_read(const asio::error_code& error,
+ size_t bytes_transferred)
+ {
+ if (!error)
+ {
+ asio::async_write(socket_,
+ asio::buffer(data_, bytes_transferred),
+ boost::bind(&session::handle_write,
+ shared_from_this(),
+ asio::placeholders::error));
+ }
+ }
+
+ void handle_write(const asio::error_code& error)
+ {
+ if (!error)
+ {
+ socket_.async_read_some(asio::buffer(data_),
+ boost::bind(&session::handle_read,
+ shared_from_this(),
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+ }
+
+private:
+ // The socket used to communicate with the client.
+ stream_protocol::socket socket_;
+
+ // Buffer used to store data received from the client.
+ boost::array<char, 1024> data_;
+};
+
+typedef boost::shared_ptr<session> session_ptr;
+
+class server
+{
+public:
+ server(asio::io_context& io_context, const std::string& file)
+ : io_context_(io_context),
+ acceptor_(io_context, stream_protocol::endpoint(file))
+ {
+ session_ptr new_session(new session(io_context_));
+ acceptor_.async_accept(new_session->socket(),
+ boost::bind(&server::handle_accept, this, new_session,
+ asio::placeholders::error));
+ }
+
+ void handle_accept(session_ptr new_session,
+ const asio::error_code& error)
+ {
+ if (!error)
+ {
+ new_session->start();
+ }
+
+ new_session.reset(new session(io_context_));
+ acceptor_.async_accept(new_session->socket(),
+ boost::bind(&server::handle_accept, this, new_session,
+ asio::placeholders::error));
+ }
+
+private:
+ asio::io_context& io_context_;
+ 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)