From ff01b716711b97c2fcaa709ea97f7650f106aa10 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Fri, 7 Oct 2016 14:13:19 +0200 Subject: Added ASIO networking library (nw) --- .../examples/cpp03/tutorial/daytime7/server.cpp | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 3rdparty/asio/src/examples/cpp03/tutorial/daytime7/server.cpp (limited to '3rdparty/asio/src/examples/cpp03/tutorial/daytime7/server.cpp') diff --git a/3rdparty/asio/src/examples/cpp03/tutorial/daytime7/server.cpp b/3rdparty/asio/src/examples/cpp03/tutorial/daytime7/server.cpp new file mode 100644 index 00000000000..b9dc60558c9 --- /dev/null +++ b/3rdparty/asio/src/examples/cpp03/tutorial/daytime7/server.cpp @@ -0,0 +1,158 @@ +// +// 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 +#include +#include +#include +#include +#include +#include +#include + +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 boost::enable_shared_from_this +{ +public: + typedef boost::shared_ptr 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_), + boost::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) + : acceptor_(io_context, tcp::endpoint(tcp::v4(), 13)) + { + start_accept(); + } + +private: + void start_accept() + { + tcp_connection::pointer new_connection = + tcp_connection::create(acceptor_.get_executor().context()); + + acceptor_.async_accept(new_connection->socket(), + boost::bind(&tcp_server::handle_accept, this, new_connection, + asio::placeholders::error)); + } + + void handle_accept(tcp_connection::pointer new_connection, + const asio::error_code& error) + { + if (!error) + { + new_connection->start(); + } + + start_accept(); + } + + 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_, + boost::bind(&udp_server::handle_receive, this, + asio::placeholders::error)); + } + + void handle_receive(const asio::error_code& error) + { + if (!error || error == asio::error::message_size) + { + boost::shared_ptr message( + new std::string(make_daytime_string())); + + socket_.async_send_to(asio::buffer(*message), remote_endpoint_, + boost::bind(&udp_server::handle_send, this, message)); + + start_receive(); + } + } + + void handle_send(boost::shared_ptr /*message*/) + { + } + + udp::socket socket_; + udp::endpoint remote_endpoint_; + boost::array 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; +} -- cgit v1.2.3-70-g09d2