101 lines
2.9 KiB
C++
101 lines
2.9 KiB
C++
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//
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// connect_pair.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_LOCAL_CONNECT_PAIR_HPP
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#define ASIO_LOCAL_CONNECT_PAIR_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/push_options.hpp"
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#include "asio/basic_socket.hpp"
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#include "asio/error.hpp"
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#include "asio/local/basic_endpoint.hpp"
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#include "asio/detail/socket_ops.hpp"
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#include "asio/detail/throw_error.hpp"
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#if defined(ASIO_HAS_LOCAL_SOCKETS) \
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|| defined(GENERATING_DOCUMENTATION)
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namespace asio {
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namespace local {
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/// Create a pair of connected sockets.
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template <typename Protocol, typename SocketService1, typename SocketService2>
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void connect_pair(
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basic_socket<Protocol, SocketService1>& socket1,
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basic_socket<Protocol, SocketService2>& socket2);
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/// Create a pair of connected sockets.
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template <typename Protocol, typename SocketService1, typename SocketService2>
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asio::error_code connect_pair(
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basic_socket<Protocol, SocketService1>& socket1,
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basic_socket<Protocol, SocketService2>& socket2,
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asio::error_code& ec);
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template <typename Protocol, typename SocketService1, typename SocketService2>
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inline void connect_pair(
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basic_socket<Protocol, SocketService1>& socket1,
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basic_socket<Protocol, SocketService2>& socket2)
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{
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asio::error_code ec;
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connect_pair(socket1, socket2, ec);
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asio::detail::throw_error(ec);
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}
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template <typename Protocol, typename SocketService1, typename SocketService2>
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inline asio::error_code connect_pair(
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basic_socket<Protocol, SocketService1>& socket1,
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basic_socket<Protocol, SocketService2>& socket2,
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asio::error_code& ec)
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{
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// Check that this function is only being used with a UNIX domain socket.
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asio::local::basic_endpoint<Protocol>* tmp
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= static_cast<typename Protocol::endpoint*>(0);
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(void)tmp;
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Protocol protocol;
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asio::detail::socket_type sv[2];
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if (asio::detail::socket_ops::socketpair(protocol.family(),
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protocol.type(), protocol.protocol(), sv, ec)
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== asio::detail::socket_error_retval)
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return ec;
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if (socket1.assign(protocol, sv[0], ec))
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{
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asio::error_code temp_ec;
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asio::detail::socket_ops::close(sv[0], temp_ec);
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asio::detail::socket_ops::close(sv[1], temp_ec);
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return ec;
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}
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if (socket2.assign(protocol, sv[1], ec))
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{
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asio::error_code temp_ec;
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socket1.close(temp_ec);
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asio::detail::socket_ops::close(sv[1], temp_ec);
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return ec;
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}
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return ec;
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}
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} // namespace local
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} // namespace asio
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#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
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// || defined(GENERATING_DOCUMENTATION)
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_LOCAL_CONNECT_PAIR_HPP
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