src/corosio/src/local_stream_socket.cpp

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local_stream_socket.cpp

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1		//
2		// Copyright (c) 2026 Michael Vandeberg
3		//
4		// Distributed under the Boost Software License, Version 1.0. (See accompanying
5		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6		//
7		// Official repository: https://github.com/cppalliance/corosio
8		//
9
10		#include <boost/corosio/detail/platform.hpp>
11
12		#if BOOST_COROSIO_POSIX \|\| BOOST_COROSIO_HAS_IOCP
13
14		#include <boost/corosio/local_stream_socket.hpp>
15		#include <boost/corosio/detail/except.hpp>
16		#include <boost/corosio/detail/local_stream_service.hpp>
17
18		#include "src/detail/use_backend_service.hpp"
19		#include <boost/corosio/native/detail/make_err.hpp>
20
21		#if BOOST_COROSIO_POSIX
22		#include <sys/ioctl.h>
23		#include <sys/socket.h>
24		#elif BOOST_COROSIO_HAS_IOCP
25		#include <boost/corosio/native/detail/iocp/win_windows.hpp>
26		#ifndef AF_UNIX
27		#define AF_UNIX 1
28		#endif
29		#endif
30
31		namespace boost::corosio {
32
33	344x	local_stream_socket::~local_stream_socket()
34		{
35	344x	close();
36	344x	}
37
38	286x	local_stream_socket::local_stream_socket(capy::execution_context& ctx)
39	286x	: io_object(handle(
40		ctx,
41		detail::use_backend_service<
42		detail::local_stream_service_of,
43	572x	detail::local_stream_service>(ctx)))
44		{
45	286x	}
46
47		std::error_code
48	51x	local_stream_socket::open() noexcept
49		{
50	51x	if (is_open())
51	✗	return {};
52	51x	return open_for_family(AF_UNIX, SOCK_STREAM, 0);
53		}
54
55		std::error_code
56	51x	local_stream_socket::open_for_family(
57		int family, int type, int protocol) noexcept
58		{
59	51x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
60	51x	std::error_code ec = svc.open_socket(
61	51x	static_cast<local_stream_socket::implementation&>(*h_.get()), family,
62		type, protocol);
63	51x	return ec;
64		}
65
66		void
67	357x	local_stream_socket::close() noexcept
68		{
69	357x	if (!is_open())
70	135x	return;
71	222x	h_.service().close(h_);
72		}
73
74		void
75	8x	local_stream_socket::cancel() noexcept
76		{
77	8x	if (!is_open())
78	2x	return;
79	6x	get().cancel();
80		}
81
82		std::error_code
83	6x	local_stream_socket::shutdown(shutdown_type what) noexcept
84		{
85	6x	if (!is_open())
86	2x	return make_error_code(std::errc::bad_file_descriptor);
87	4x	return get().shutdown(what);
88		}
89
90		std::error_code
91	173x	local_stream_socket::assign(native_handle_type fd) noexcept
92		{
93	173x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
94	173x	std::error_code ec = svc.assign_socket(
95	173x	static_cast<local_stream_socket::implementation&>(*h_.get()), fd);
96	173x	return ec;
97		}
98
99		native_handle_type
100	25x	local_stream_socket::native_handle() const noexcept
101		{
102	25x	if (!is_open())
103		#if BOOST_COROSIO_HAS_IOCP
104		return ~native_handle_type(0);
105		#else
106	2x	return -1;
107		#endif
108	23x	return get().native_handle();
109		}
110
111		native_handle_type
112	6x	local_stream_socket::release()
113		{
114	6x	if (!is_open())
115	2x	detail::throw_system_error(
116	2x	make_error_code(std::errc::bad_file_descriptor),
117		"local_stream_socket::release");
118	4x	return get().release_socket();
119		}
120
121		std::size_t
122	11x	local_stream_socket::available() const
123		{
124	11x	if (!is_open())
125	2x	detail::throw_system_error(
126	4x	make_error_code(std::errc::bad_file_descriptor),
127		"local_stream_socket::available");
128		#if BOOST_COROSIO_HAS_IOCP
129		u_long value = 0;
130		if (::ioctlsocket(static_cast<SOCKET>(native_handle()), FIONREAD, &value) !=
131		0)
132		detail::throw_system_error(
133		detail::make_err(static_cast<unsigned long>(::WSAGetLastError())),
134		"local_stream_socket::available");
135		return static_cast<std::size_t>(value);
136		#else
137	9x	int value = 0;
138	9x	if (::ioctl(native_handle(), FIONREAD, &value) < 0)
139	5x	detail::throw_system_error(
140	10x	detail::make_err(errno), "local_stream_socket::available");
141	4x	return static_cast<std::size_t>(value);
142		#endif
143		}
144
145		local_endpoint
146	6x	local_stream_socket::local_endpoint() const noexcept
147		{
148	6x	if (!is_open())
149	2x	return corosio::local_endpoint{};
150	4x	return get().local_endpoint();
151		}
152
153		local_endpoint
154	6x	local_stream_socket::remote_endpoint() const noexcept
155		{
156	6x	if (!is_open())
157	2x	return corosio::local_endpoint{};
158	4x	return get().remote_endpoint();
159		}
160
161		} // namespace boost::corosio
162
163		#endif // BOOST_COROSIO_POSIX \|\| BOOST_COROSIO_HAS_IOCP
164