src/corosio/src/tcp_acceptor.cpp
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100.0% List of functions (12/0/12)
Functions (12)
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boost::corosio::tcp_acceptor::~tcp_acceptor()
:45
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boost::corosio::tcp_acceptor::tcp_acceptor(boost::capy::execution_context&)
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boost::corosio::tcp_acceptor::tcp_acceptor(boost::capy::execution_context&, boost::corosio::endpoint, int)
:59
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boost::corosio::tcp_acceptor::open(boost::corosio::tcp)
:77
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boost::corosio::tcp_acceptor::assign(int)
:94
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boost::corosio::tcp_acceptor::release()
:107
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boost::corosio::tcp_acceptor::native_handle() const
:117
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boost::corosio::tcp_acceptor::bind(boost::corosio::endpoint)
:131
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boost::corosio::tcp_acceptor::listen(int)
:145
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boost::corosio::tcp_acceptor::close()
:159
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boost::corosio::tcp_acceptor::cancel()
:167
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boost::corosio::tcp_acceptor::local_endpoint() const
:175
365x
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| Line | TLA | Hits | Source Code |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // Copyright (c) 2026 Steve Gerbino | ||
| 4 | // | ||
| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 6 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 7 | // | ||
| 8 | // Official repository: https://github.com/cppalliance/corosio | ||
| 9 | // | ||
| 10 | |||
| 11 | #include <boost/corosio/tcp_acceptor.hpp> | ||
| 12 | #include <boost/corosio/socket_option.hpp> | ||
| 13 | #include <boost/corosio/detail/platform.hpp> | ||
| 14 | |||
| 15 | #if BOOST_COROSIO_HAS_IOCP | ||
| 16 | #include <boost/corosio/native/detail/iocp/win_tcp_acceptor_service.hpp> | ||
| 17 | #else | ||
| 18 | #include <boost/corosio/detail/tcp_acceptor_service.hpp> | ||
| 19 | #endif | ||
| 20 | |||
| 21 | #include <boost/corosio/detail/except.hpp> | ||
| 22 | |||
| 23 | namespace boost::corosio { | ||
| 24 | |||
| 25 | #if BOOST_COROSIO_HAS_IOCP | ||
| 26 | namespace { | ||
| 27 | |||
| 28 | // On Windows SO_REUSEADDR grants bind-over ("hijack") rights instead | ||
| 29 | // of TIME_WAIT reuse, so a second listener would share the port | ||
| 30 | // silently. SO_EXCLUSIVEADDRUSE restores the POSIX contract: the | ||
| 31 | // collision surfaces as WSAEADDRINUSE (errc::address_in_use). | ||
| 32 | struct exclusive_address_use | ||
| 33 | { | ||
| 34 | int value_ = 1; | ||
| 35 | |||
| 36 | static int level() noexcept { return SOL_SOCKET; } | ||
| 37 | static int name() noexcept { return SO_EXCLUSIVEADDRUSE; } | ||
| 38 | void const* data() const noexcept { return &value_; } | ||
| 39 | std::size_t size() const noexcept { return sizeof(value_); } | ||
| 40 | }; | ||
| 41 | |||
| 42 | } // namespace | ||
| 43 | #endif | ||
| 44 | |||
| 45 | 455x | tcp_acceptor::~tcp_acceptor() | |
| 46 | { | ||
| 47 | 455x | close(); | |
| 48 | 455x | } | |
| 49 | |||
| 50 | 419x | tcp_acceptor::tcp_acceptor(capy::execution_context& ctx) | |
| 51 | #if BOOST_COROSIO_HAS_IOCP | ||
| 52 | : io_object(create_handle<detail::win_tcp_acceptor_service>(ctx)) | ||
| 53 | #else | ||
| 54 | 419x | : io_object(create_handle<detail::tcp_acceptor_service>(ctx)) | |
| 55 | #endif | ||
| 56 | { | ||
| 57 | 419x | } | |
| 58 | |||
| 59 | 40x | tcp_acceptor::tcp_acceptor( | |
| 60 | 40x | capy::execution_context& ctx, endpoint ep, int backlog) | |
| 61 | 40x | : tcp_acceptor(ctx) | |
| 62 | { | ||
| 63 | 40x | if (auto ec = open(ep.is_v6() ? tcp::v6() : tcp::v4())) | |
| 64 | ✗ | detail::throw_system_error(ec, "tcp_acceptor"); | |
| 65 | #if BOOST_COROSIO_HAS_IOCP | ||
| 66 | set_option(exclusive_address_use{}); | ||
| 67 | #else | ||
| 68 | 40x | set_option(socket_option::reuse_address(true)); | |
| 69 | #endif | ||
| 70 | 40x | if (auto ec = bind(ep)) | |
| 71 | 4x | detail::throw_system_error(ec, "tcp_acceptor"); | |
| 72 | 36x | if (auto ec = listen(backlog)) | |
| 73 | ✗ | detail::throw_system_error(ec, "tcp_acceptor"); | |
| 74 | 40x | } | |
| 75 | |||
| 76 | std::error_code | ||
| 77 | 419x | tcp_acceptor::open(tcp proto) noexcept | |
| 78 | { | ||
| 79 | 419x | if (is_open()) | |
| 80 | 2x | return {}; | |
| 81 | |||
| 82 | #if BOOST_COROSIO_HAS_IOCP | ||
| 83 | auto& svc = static_cast<detail::win_tcp_acceptor_service&>(h_.service()); | ||
| 84 | #else | ||
| 85 | 417x | auto& svc = static_cast<detail::tcp_acceptor_service&>(h_.service()); | |
| 86 | #endif | ||
| 87 | 834x | std::error_code ec = svc.open_acceptor_socket( | |
| 88 | 417x | *static_cast<tcp_acceptor::implementation*>(h_.get()), proto.family(), | |
| 89 | proto.type(), proto.protocol()); | ||
| 90 | 417x | return ec; | |
| 91 | } | ||
| 92 | |||
| 93 | std::error_code | ||
| 94 | 18x | tcp_acceptor::assign(native_handle_type fd) noexcept | |
| 95 | { | ||
| 96 | #if BOOST_COROSIO_HAS_IOCP | ||
| 97 | auto& svc = static_cast<detail::win_tcp_acceptor_service&>(h_.service()); | ||
| 98 | #else | ||
| 99 | 18x | auto& svc = static_cast<detail::tcp_acceptor_service&>(h_.service()); | |
| 100 | #endif | ||
| 101 | 18x | std::error_code ec = svc.assign_socket( | |
| 102 | 18x | *static_cast<tcp_acceptor::implementation*>(h_.get()), fd); | |
| 103 | 18x | return ec; | |
| 104 | } | ||
| 105 | |||
| 106 | native_handle_type | ||
| 107 | 10x | tcp_acceptor::release() | |
| 108 | { | ||
| 109 | 10x | if (!is_open()) | |
| 110 | 2x | detail::throw_system_error( | |
| 111 | 2x | make_error_code(std::errc::bad_file_descriptor), | |
| 112 | "tcp_acceptor::release"); | ||
| 113 | 8x | return get().release_socket(); | |
| 114 | } | ||
| 115 | |||
| 116 | native_handle_type | ||
| 117 | 26x | tcp_acceptor::native_handle() const noexcept | |
| 118 | { | ||
| 119 | 26x | if (!is_open()) | |
| 120 | { | ||
| 121 | #if BOOST_COROSIO_HAS_IOCP | ||
| 122 | return static_cast<native_handle_type>(~0ull); // INVALID_SOCKET | ||
| 123 | #else | ||
| 124 | 4x | return -1; | |
| 125 | #endif | ||
| 126 | } | ||
| 127 | 22x | return get().native_handle(); | |
| 128 | } | ||
| 129 | |||
| 130 | std::error_code | ||
| 131 | 407x | tcp_acceptor::bind(endpoint ep) noexcept | |
| 132 | { | ||
| 133 | 407x | if (!is_open()) | |
| 134 | 2x | return make_error_code(std::errc::bad_file_descriptor); | |
| 135 | #if BOOST_COROSIO_HAS_IOCP | ||
| 136 | auto& svc = static_cast<detail::win_tcp_acceptor_service&>(h_.service()); | ||
| 137 | #else | ||
| 138 | 405x | auto& svc = static_cast<detail::tcp_acceptor_service&>(h_.service()); | |
| 139 | #endif | ||
| 140 | 405x | return svc.bind_acceptor( | |
| 141 | 810x | *static_cast<tcp_acceptor::implementation*>(h_.get()), ep); | |
| 142 | } | ||
| 143 | |||
| 144 | std::error_code | ||
| 145 | 377x | tcp_acceptor::listen(int backlog) noexcept | |
| 146 | { | ||
| 147 | 377x | if (!is_open()) | |
| 148 | 2x | return make_error_code(std::errc::bad_file_descriptor); | |
| 149 | #if BOOST_COROSIO_HAS_IOCP | ||
| 150 | auto& svc = static_cast<detail::win_tcp_acceptor_service&>(h_.service()); | ||
| 151 | #else | ||
| 152 | 375x | auto& svc = static_cast<detail::tcp_acceptor_service&>(h_.service()); | |
| 153 | #endif | ||
| 154 | 375x | return svc.listen_acceptor( | |
| 155 | 750x | *static_cast<tcp_acceptor::implementation*>(h_.get()), backlog); | |
| 156 | } | ||
| 157 | |||
| 158 | void | ||
| 159 | 748x | tcp_acceptor::close() noexcept | |
| 160 | { | ||
| 161 | 748x | if (!is_open()) | |
| 162 | 331x | return; | |
| 163 | 417x | h_.service().close(h_); | |
| 164 | } | ||
| 165 | |||
| 166 | void | ||
| 167 | 13x | tcp_acceptor::cancel() noexcept | |
| 168 | { | ||
| 169 | 13x | if (!is_open()) | |
| 170 | 2x | return; | |
| 171 | 11x | get().cancel(); | |
| 172 | } | ||
| 173 | |||
| 174 | endpoint | ||
| 175 | 365x | tcp_acceptor::local_endpoint() const noexcept | |
| 176 | { | ||
| 177 | 365x | if (!is_open()) | |
| 178 | 2x | return endpoint{}; | |
| 179 | 363x | return get().local_endpoint(); | |
| 180 | } | ||
| 181 | |||
| 182 | } // namespace boost::corosio | ||
| 183 |