summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
diff options
context:
space:
mode:
author Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:13:19 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:13:19 +0200
commitff01b716711b97c2fcaa709ea97f7650f106aa10 (patch)
tree50dd4d687f38f50c4e136af030c02c267c769f3a /3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
parent2a138159c30457aecd9e9679be5159704db0f954 (diff)
Added ASIO networking library (nw)
Diffstat (limited to '3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp')
-rw-r--r--3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp b/3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
new file mode 100644
index 00000000000..851c46b0803
--- /dev/null
+++ b/3rdparty/asio/src/examples/cpp03/echo/async_udp_echo_server.cpp
@@ -0,0 +1,92 @@
+//
+// async_udp_echo_server.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2016 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 <boost/bind.hpp>
+#include "asio.hpp"
+
+using asio::ip::udp;
+
+class server
+{
+public:
+ server(asio::io_context& io_context, short port)
+ : socket_(io_context, udp::endpoint(udp::v4(), port))
+ {
+ socket_.async_receive_from(
+ asio::buffer(data_, max_length), sender_endpoint_,
+ boost::bind(&server::handle_receive_from, this,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+
+ void handle_receive_from(const asio::error_code& error,
+ size_t bytes_recvd)
+ {
+ if (!error && bytes_recvd > 0)
+ {
+ socket_.async_send_to(
+ asio::buffer(data_, bytes_recvd), sender_endpoint_,
+ boost::bind(&server::handle_send_to, this,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+ else
+ {
+ socket_.async_receive_from(
+ asio::buffer(data_, max_length), sender_endpoint_,
+ boost::bind(&server::handle_receive_from, this,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+ }
+
+ void handle_send_to(const asio::error_code& /*error*/,
+ size_t /*bytes_sent*/)
+ {
+ socket_.async_receive_from(
+ asio::buffer(data_, max_length), sender_endpoint_,
+ boost::bind(&server::handle_receive_from, this,
+ asio::placeholders::error,
+ asio::placeholders::bytes_transferred));
+ }
+
+private:
+ udp::socket socket_;
+ udp::endpoint sender_endpoint_;
+ enum { max_length = 1024 };
+ char data_[max_length];
+};
+
+int main(int argc, char* argv[])
+{
+ try
+ {
+ if (argc != 2)
+ {
+ std::cerr << "Usage: async_udp_echo_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;
+}