// // local/connect_pair.hpp // ~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2011 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) // #ifndef BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP #define BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) \ || defined(GENERATING_DOCUMENTATION) #include <boost/asio/basic_socket.hpp> #include <boost/asio/detail/socket_ops.hpp> #include <boost/asio/detail/throw_error.hpp> #include <boost/asio/error.hpp> #include <boost/asio/local/basic_endpoint.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace local { /// Create a pair of connected sockets. template <typename Protocol, typename SocketService1, typename SocketService2> void connect_pair( basic_socket<Protocol, SocketService1>& socket1, basic_socket<Protocol, SocketService2>& socket2); /// Create a pair of connected sockets. template <typename Protocol, typename SocketService1, typename SocketService2> boost::system::error_code connect_pair( basic_socket<Protocol, SocketService1>& socket1, basic_socket<Protocol, SocketService2>& socket2, boost::system::error_code& ec); template <typename Protocol, typename SocketService1, typename SocketService2> inline void connect_pair( basic_socket<Protocol, SocketService1>& socket1, basic_socket<Protocol, SocketService2>& socket2) { boost::system::error_code ec; connect_pair(socket1, socket2, ec); boost::asio::detail::throw_error(ec); } template <typename Protocol, typename SocketService1, typename SocketService2> inline boost::system::error_code connect_pair( basic_socket<Protocol, SocketService1>& socket1, basic_socket<Protocol, SocketService2>& socket2, boost::system::error_code& ec) { // Check that this function is only being used with a UNIX domain socket. boost::asio::local::basic_endpoint<Protocol>* tmp = static_cast<typename Protocol::endpoint*>(0); (void)tmp; Protocol protocol; boost::asio::detail::socket_type sv[2]; if (boost::asio::detail::socket_ops::socketpair(protocol.family(), protocol.type(), protocol.protocol(), sv, ec) == boost::asio::detail::socket_error_retval) return ec; if (socket1.assign(protocol, sv[0], ec)) { boost::system::error_code temp_ec; boost::asio::detail::socket_ops::state_type state[2] = { 0, 0 }; boost::asio::detail::socket_ops::close(sv[0], state[0], true, temp_ec); boost::asio::detail::socket_ops::close(sv[1], state[1], true, temp_ec); return ec; } if (socket2.assign(protocol, sv[1], ec)) { boost::system::error_code temp_ec; socket1.close(temp_ec); boost::asio::detail::socket_ops::state_type state = 0; boost::asio::detail::socket_ops::close(sv[1], state, true, temp_ec); return ec; } return ec; } } // namespace local } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) // || defined(GENERATING_DOCUMENTATION) #endif // BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP