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1 | // |
2 | // local/connect_pair.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
92f5a8d4 | 5 | // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
7c673cae FG |
6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP | |
12 | #define BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | ||
20 | #if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) \ | |
21 | || defined(GENERATING_DOCUMENTATION) | |
22 | ||
23 | #include <boost/asio/basic_socket.hpp> | |
24 | #include <boost/asio/detail/socket_ops.hpp> | |
25 | #include <boost/asio/detail/throw_error.hpp> | |
26 | #include <boost/asio/error.hpp> | |
27 | #include <boost/asio/local/basic_endpoint.hpp> | |
28 | ||
29 | #include <boost/asio/detail/push_options.hpp> | |
30 | ||
31 | namespace boost { | |
32 | namespace asio { | |
33 | namespace local { | |
34 | ||
35 | /// Create a pair of connected sockets. | |
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36 | template <typename Protocol, typename Executor1, typename Executor2> |
37 | void connect_pair(basic_socket<Protocol, Executor1>& socket1, | |
38 | basic_socket<Protocol, Executor2>& socket2); | |
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39 | |
40 | /// Create a pair of connected sockets. | |
92f5a8d4 TL |
41 | template <typename Protocol, typename Executor1, typename Executor2> |
42 | BOOST_ASIO_SYNC_OP_VOID connect_pair(basic_socket<Protocol, Executor1>& socket1, | |
43 | basic_socket<Protocol, Executor2>& socket2, boost::system::error_code& ec); | |
7c673cae | 44 | |
92f5a8d4 TL |
45 | template <typename Protocol, typename Executor1, typename Executor2> |
46 | inline void connect_pair(basic_socket<Protocol, Executor1>& socket1, | |
47 | basic_socket<Protocol, Executor2>& socket2) | |
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48 | { |
49 | boost::system::error_code ec; | |
50 | connect_pair(socket1, socket2, ec); | |
51 | boost::asio::detail::throw_error(ec, "connect_pair"); | |
52 | } | |
53 | ||
92f5a8d4 | 54 | template <typename Protocol, typename Executor1, typename Executor2> |
b32b8144 | 55 | inline BOOST_ASIO_SYNC_OP_VOID connect_pair( |
92f5a8d4 TL |
56 | basic_socket<Protocol, Executor1>& socket1, |
57 | basic_socket<Protocol, Executor2>& socket2, boost::system::error_code& ec) | |
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58 | { |
59 | // Check that this function is only being used with a UNIX domain socket. | |
60 | boost::asio::local::basic_endpoint<Protocol>* tmp | |
61 | = static_cast<typename Protocol::endpoint*>(0); | |
62 | (void)tmp; | |
63 | ||
64 | Protocol protocol; | |
65 | boost::asio::detail::socket_type sv[2]; | |
66 | if (boost::asio::detail::socket_ops::socketpair(protocol.family(), | |
67 | protocol.type(), protocol.protocol(), sv, ec) | |
68 | == boost::asio::detail::socket_error_retval) | |
b32b8144 | 69 | BOOST_ASIO_SYNC_OP_VOID_RETURN(ec); |
7c673cae | 70 | |
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71 | socket1.assign(protocol, sv[0], ec); |
72 | if (ec) | |
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73 | { |
74 | boost::system::error_code temp_ec; | |
75 | boost::asio::detail::socket_ops::state_type state[2] = { 0, 0 }; | |
76 | boost::asio::detail::socket_ops::close(sv[0], state[0], true, temp_ec); | |
77 | boost::asio::detail::socket_ops::close(sv[1], state[1], true, temp_ec); | |
b32b8144 | 78 | BOOST_ASIO_SYNC_OP_VOID_RETURN(ec); |
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79 | } |
80 | ||
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81 | socket2.assign(protocol, sv[1], ec); |
82 | if (ec) | |
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83 | { |
84 | boost::system::error_code temp_ec; | |
85 | socket1.close(temp_ec); | |
86 | boost::asio::detail::socket_ops::state_type state = 0; | |
87 | boost::asio::detail::socket_ops::close(sv[1], state, true, temp_ec); | |
b32b8144 | 88 | BOOST_ASIO_SYNC_OP_VOID_RETURN(ec); |
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89 | } |
90 | ||
b32b8144 | 91 | BOOST_ASIO_SYNC_OP_VOID_RETURN(ec); |
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92 | } |
93 | ||
94 | } // namespace local | |
95 | } // namespace asio | |
96 | } // namespace boost | |
97 | ||
98 | #include <boost/asio/detail/pop_options.hpp> | |
99 | ||
100 | #endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS) | |
101 | // || defined(GENERATING_DOCUMENTATION) | |
102 | ||
103 | #endif // BOOST_ASIO_LOCAL_CONNECT_PAIR_HPP |