mirror of
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104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
//
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// local/connect_pair.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 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 BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP
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#define BOOST_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 <boost/asio/detail/config.hpp>
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#if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) \
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|| defined(GENERATING_DOCUMENTATION)
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#include <boost/asio/basic_socket.hpp>
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#include <boost/asio/detail/socket_ops.hpp>
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#include <boost/asio/detail/throw_error.hpp>
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#include <boost/asio/error.hpp>
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#include <boost/asio/local/basic_endpoint.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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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 Executor1, typename Executor2>
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void connect_pair(basic_socket<Protocol, Executor1>& socket1,
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basic_socket<Protocol, Executor2>& socket2);
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/// Create a pair of connected sockets.
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template <typename Protocol, typename Executor1, typename Executor2>
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BOOST_ASIO_SYNC_OP_VOID connect_pair(basic_socket<Protocol, Executor1>& socket1,
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basic_socket<Protocol, Executor2>& socket2, boost::system::error_code& ec);
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template <typename Protocol, typename Executor1, typename Executor2>
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inline void connect_pair(basic_socket<Protocol, Executor1>& socket1,
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basic_socket<Protocol, Executor2>& socket2)
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{
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boost::system::error_code ec;
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connect_pair(socket1, socket2, ec);
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boost::asio::detail::throw_error(ec, "connect_pair");
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}
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template <typename Protocol, typename Executor1, typename Executor2>
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inline BOOST_ASIO_SYNC_OP_VOID connect_pair(
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basic_socket<Protocol, Executor1>& socket1,
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basic_socket<Protocol, Executor2>& socket2, boost::system::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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boost::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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boost::asio::detail::socket_type sv[2];
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if (boost::asio::detail::socket_ops::socketpair(protocol.family(),
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protocol.type(), protocol.protocol(), sv, ec)
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== boost::asio::detail::socket_error_retval)
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BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
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socket1.assign(protocol, sv[0], ec);
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if (ec)
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{
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boost::system::error_code temp_ec;
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boost::asio::detail::socket_ops::state_type state[2] = { 0, 0 };
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boost::asio::detail::socket_ops::close(sv[0], state[0], true, temp_ec);
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boost::asio::detail::socket_ops::close(sv[1], state[1], true, temp_ec);
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BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
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}
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socket2.assign(protocol, sv[1], ec);
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if (ec)
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{
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boost::system::error_code temp_ec;
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socket1.close(temp_ec);
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boost::asio::detail::socket_ops::state_type state = 0;
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boost::asio::detail::socket_ops::close(sv[1], state, true, temp_ec);
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BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
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}
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BOOST_ASIO_SYNC_OP_VOID_RETURN(ec);
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}
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} // namespace local
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
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// || defined(GENERATING_DOCUMENTATION)
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#endif // BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP
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