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/error.hpp>
16			#include <boost/corosio/detail/except.hpp>
17			#include <boost/corosio/detail/local_stream_service.hpp>
18
19			#include "src/detail/use_backend_service.hpp"
20			#include <boost/corosio/native/detail/make_err.hpp>
21
22			#if BOOST_COROSIO_POSIX
23			#include <sys/ioctl.h>
24			#include <sys/socket.h>
25			#elif BOOST_COROSIO_HAS_IOCP
26			#include <boost/corosio/native/detail/iocp/win_windows.hpp>
27			#ifndef AF_UNIX
28			#define AF_UNIX 1
29			#endif
30			#endif
31
32			namespace boost::corosio {
33
34		281x	local_stream_socket::~local_stream_socket()
35			{
36		281x	close();
37		281x	}
38
39		250x	local_stream_socket::local_stream_socket(capy::execution_context& ctx)
40		250x	: io_object(handle(
41			ctx,
42			detail::use_backend_service<
43			detail::local_stream_service_of,
44	2/2 ✓ Branch 2 → 3 taken 250 times. ✓ Branch 3 → 4 taken 250 times.	500x	detail::local_stream_service>(ctx)))
45			{
46		250x	}
47
48			std::error_code
49		44x	local_stream_socket::open() noexcept
50			{
51	1/2 ✗ Branch 3 → 4 not taken. ✓ Branch 3 → 5 taken 44 times.	44x	if (is_open())
52		✗	return {};
53		44x	return open_for_family(AF_UNIX, SOCK_STREAM, 0);
54			}
55
56			std::error_code
57		44x	local_stream_socket::open_for_family(
58			int family, int type, int protocol) noexcept
59			{
60		44x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
61		44x	std::error_code ec = svc.open_socket(
62		44x	static_cast<local_stream_socket::implementation&>(*h_.get()), family,
63			type, protocol);
64		44x	return ec;
65			}
66
67			void
68		300x	local_stream_socket::close() noexcept
69			{
70	2/2 ✓ Branch 3 → 4 taken 197 times. ✓ Branch 3 → 5 taken 103 times.	300x	if (!is_open())
71		197x	return;
72		103x	h_.service().close(h_);
73			}
74
75			void
76		9x	local_stream_socket::cancel() noexcept
77			{
78	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 8 times.	9x	if (!is_open())
79		1x	return;
80		8x	get().cancel();
81			}
82
83			std::error_code
84		5x	local_stream_socket::shutdown(shutdown_type what) noexcept
85			{
86	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 4 times.	5x	if (!is_open())
87		1x	return make_error_code(std::errc::bad_file_descriptor);
88		4x	return get().shutdown(what);
89			}
90
91			std::error_code
92		95x	local_stream_socket::assign(native_handle_type fd) noexcept
93			{
94	2/2 ✓ Branch 3 → 4 taken 2 times. ✓ Branch 3 → 5 taken 93 times.	95x	if (is_open())
95		2x	return make_error_code(error::already_open);
96		93x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
97		93x	std::error_code ec = svc.assign_socket(
98		93x	static_cast<local_stream_socket::implementation&>(*h_.get()), fd);
99		93x	return ec;
100			}
101
102			native_handle_type
103		11x	local_stream_socket::native_handle() const noexcept
104			{
105	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 10 times.	11x	if (!is_open())
106			#if BOOST_COROSIO_HAS_IOCP
107		1x	return ~native_handle_type(0);
108			#else
109			return -1;
110			#endif
111		10x	return get().native_handle();
112			}
113
114			native_handle_type
115		3x	local_stream_socket::release()
116			{
117	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 6 taken 2 times.	3x	if (!is_open())
118		1x	detail::throw_system_error(
119		1x	make_error_code(std::errc::bad_file_descriptor),
120			"local_stream_socket::release");
121		2x	return get().release_socket();
122			}
123
124			std::size_t
125		4x	local_stream_socket::available() const
126			{
127	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 6 taken 3 times.	4x	if (!is_open())
128		1x	detail::throw_system_error(
129		2x	make_error_code(std::errc::bad_file_descriptor),
130			"local_stream_socket::available");
131			#if BOOST_COROSIO_HAS_IOCP
132		3x	u_long value = 0;
133	3/3 ✓ Branch 7 → 8 taken 3 times. ✓ Branch 8 → 9 taken 1 time. ✓ Branch 8 → 12 taken 2 times.	3x	if (::ioctlsocket(static_cast<SOCKET>(native_handle()), FIONREAD, &value) !=
134			0)
135		1x	detail::throw_system_error(
136	1/1 ✓ Branch 9 → 10 taken 1 time.	2x	detail::make_err(static_cast<unsigned long>(::WSAGetLastError())),
137			"local_stream_socket::available");
138		2x	return static_cast<std::size_t>(value);
139			#else
140			int value = 0;
141			if (::ioctl(native_handle(), FIONREAD, &value) < 0)
142			detail::throw_system_error(
143			detail::make_err(errno), "local_stream_socket::available");
144			return static_cast<std::size_t>(value);
145			#endif
146			}
147
148			local_endpoint
149		3x	local_stream_socket::local_endpoint() const noexcept
150			{
151	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 2 times.	3x	if (!is_open())
152		1x	return corosio::local_endpoint{};
153		2x	return get().local_endpoint();
154			}
155
156			local_endpoint
157		3x	local_stream_socket::remote_endpoint() const noexcept
158			{
159	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 2 times.	3x	if (!is_open())
160		1x	return corosio::local_endpoint{};
161		2x	return get().remote_endpoint();
162			}
163
164			} // namespace boost::corosio
165
166			#endif // BOOST_COROSIO_POSIX \|\| BOOST_COROSIO_HAS_IOCP
167