src/corosio/src/tcp_socket.cpp

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tcp_socket.cpp

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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_socket.hpp>
12		#include <boost/corosio/detail/except.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_service.hpp>
19		#endif
20
21		namespace boost::corosio {
22
23	16940x	tcp_socket::~tcp_socket()
24		{
25	16940x	close();
26	16940x	}
27
28	16680x	tcp_socket::tcp_socket(capy::execution_context& ctx)
29		#if BOOST_COROSIO_HAS_IOCP
30		: io_object(create_handle<detail::win_tcp_service>(ctx))
31		#else
32	16680x	: io_object(create_handle<detail::tcp_service>(ctx))
33		#endif
34		{
35	16680x	}
36
37		void
38	8353x	tcp_socket::open(tcp proto)
39		{
40	8353x	if (is_open())
41	2x	return;
42	8351x	open_for_family(proto.family(), proto.type(), proto.protocol());
43		}
44
45		void
46	8351x	tcp_socket::open_for_family(int family, int type, int protocol)
47		{
48		#if BOOST_COROSIO_HAS_IOCP
49		auto& svc = static_cast<detail::win_tcp_service&>(h_.service());
50		auto& wrapper = static_cast<tcp_socket::implementation&>(*h_.get());
51		std::error_code ec = svc.open_socket(
52		*static_cast<detail::win_tcp_socket&>(wrapper).get_internal(), family, type,
53		protocol);
54		#else
55	8351x	auto& svc = static_cast<detail::tcp_service&>(h_.service());
56	8351x	std::error_code ec = svc.open_socket(
57	8351x	static_cast<tcp_socket::implementation&>(*h_.get()), family, type,
58		protocol);
59		#endif
60	8351x	if (ec)
61	✗	detail::throw_system_error(ec, "tcp_socket::open");
62	8351x	}
63
64		std::error_code
65	14x	tcp_socket::bind(endpoint ep)
66		{
67	14x	if (!is_open())
68	2x	detail::throw_logic_error("bind: socket not open");
69		#if BOOST_COROSIO_HAS_IOCP
70		auto& svc = static_cast<detail::win_tcp_service&>(h_.service());
71		auto& wrapper = static_cast<tcp_socket::implementation&>(*h_.get());
72		return svc.bind_socket(
73		*static_cast<detail::win_tcp_socket&>(wrapper).get_internal(), ep);
74		#else
75	12x	auto& svc = static_cast<detail::tcp_service&>(h_.service());
76	12x	return svc.bind_socket(
77	24x	static_cast<tcp_socket::implementation&>(*h_.get()), ep);
78		#endif
79		}
80
81		void
82	33482x	tcp_socket::close()
83		{
84	33482x	if (!is_open())
85	16852x	return;
86	16630x	h_.service().close(h_);
87		}
88
89		void
90	197x	tcp_socket::cancel()
91		{
92	197x	if (!is_open())
93	2x	return;
94	195x	get().cancel();
95		}
96
97		void
98	16x	tcp_socket::shutdown(shutdown_type what)
99		{
100	16x	if (is_open())
101		{
102		// Best-effort: errors like ENOTCONN are expected and unhelpful
103	10x	[[maybe_unused]] auto ec = get().shutdown(what);
104		}
105	16x	}
106
107		native_handle_type
108	4x	tcp_socket::native_handle() const noexcept
109		{
110	4x	if (!is_open())
111		{
112		#if BOOST_COROSIO_HAS_IOCP
113		return static_cast<native_handle_type>(~0ull); // INVALID_SOCKET
114		#else
115	2x	return -1;
116		#endif
117		}
118	2x	return get().native_handle();
119		}
120
121		endpoint
122	58x	tcp_socket::local_endpoint() const noexcept
123		{
124	58x	if (!is_open())
125	10x	return endpoint{};
126	48x	return get().local_endpoint();
127		}
128
129		endpoint
130	56x	tcp_socket::remote_endpoint() const noexcept
131		{
132	56x	if (!is_open())
133	10x	return endpoint{};
134	46x	return get().remote_endpoint();
135		}
136
137		} // namespace boost::corosio
138