| // |
| // blocking_tcp_echo_server.cpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2010 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 <boost/smart_ptr.hpp> |
| #include <boost/asio.hpp> |
| #include <boost/thread.hpp> |
| |
| using boost::asio::ip::tcp; |
| |
| const int max_length = 1024; |
| |
| typedef boost::shared_ptr<tcp::socket> socket_ptr; |
| |
| void session(socket_ptr sock) |
| { |
| try |
| { |
| for (;;) |
| { |
| char data[max_length]; |
| |
| boost::system::error_code error; |
| size_t length = sock->read_some(boost::asio::buffer(data), error); |
| if (error == boost::asio::error::eof) |
| break; // Connection closed cleanly by peer. |
| else if (error) |
| throw boost::system::system_error(error); // Some other error. |
| |
| boost::asio::write(*sock, boost::asio::buffer(data, length)); |
| } |
| } |
| catch (std::exception& e) |
| { |
| std::cerr << "Exception in thread: " << e.what() << "\n"; |
| } |
| } |
| |
| void server(boost::asio::io_service& io_service, short port) |
| { |
| tcp::acceptor a(io_service, tcp::endpoint(tcp::v4(), port)); |
| for (;;) |
| { |
| socket_ptr sock(new tcp::socket(io_service)); |
| a.accept(*sock); |
| boost::thread t(boost::bind(session, sock)); |
| } |
| } |
| |
| int main(int argc, char* argv[]) |
| { |
| try |
| { |
| if (argc != 2) |
| { |
| std::cerr << "Usage: blocking_tcp_echo_server <port>\n"; |
| return 1; |
| } |
| |
| boost::asio::io_service io_service; |
| |
| using namespace std; // For atoi. |
| server(io_service, atoi(argv[1])); |
| } |
| catch (std::exception& e) |
| { |
| std::cerr << "Exception: " << e.what() << "\n"; |
| } |
| |
| return 0; |
| } |