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/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		290x	local_stream_socket::~local_stream_socket()
34			{
35		290x	close();
36		290x	}
37
38		254x	local_stream_socket::local_stream_socket(capy::execution_context& ctx)
39		254x	: io_object(handle(
40			ctx,
41			detail::use_backend_service<
42			detail::local_stream_service_of,
43	2/2 ✓ Branch 2 → 3 taken 254 times. ✓ Branch 3 → 4 taken 254 times.	508x	detail::local_stream_service>(ctx)))
44			{
45		254x	}
46
47			std::error_code
48		45x	local_stream_socket::open() noexcept
49			{
50	1/2 ✗ Branch 3 → 4 not taken. ✓ Branch 3 → 5 taken 45 times.	45x	if (is_open())
51		✗	return {};
52		45x	return open_for_family(AF_UNIX, SOCK_STREAM, 0);
53			}
54
55			std::error_code
56		45x	local_stream_socket::open_for_family(
57			int family, int type, int protocol) noexcept
58			{
59		45x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
60		45x	std::error_code ec = svc.open_socket(
61		45x	static_cast<local_stream_socket::implementation&>(*h_.get()), family,
62			type, protocol);
63		45x	return ec;
64			}
65
66			void
67		309x	local_stream_socket::close() noexcept
68			{
69	2/2 ✓ Branch 3 → 4 taken 205 times. ✓ Branch 3 → 5 taken 104 times.	309x	if (!is_open())
70		205x	return;
71		104x	h_.service().close(h_);
72			}
73
74			void
75		9x	local_stream_socket::cancel() noexcept
76			{
77	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 8 times.	9x	if (!is_open())
78		1x	return;
79		8x	get().cancel();
80			}
81
82			std::error_code
83		5x	local_stream_socket::shutdown(shutdown_type what) noexcept
84			{
85	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 4 times.	5x	if (!is_open())
86		1x	return make_error_code(std::errc::bad_file_descriptor);
87		4x	return get().shutdown(what);
88			}
89
90			std::error_code
91		96x	local_stream_socket::assign(native_handle_type fd) noexcept
92			{
93	2/2 ✓ Branch 3 → 4 taken 2 times. ✓ Branch 3 → 5 taken 94 times.	96x	if (is_open())
94		2x	return make_error_code(error::already_open);
95		94x	auto& svc = static_cast<detail::local_stream_service&>(h_.service());
96		94x	std::error_code ec = svc.assign_socket(
97		94x	static_cast<local_stream_socket::implementation&>(*h_.get()), fd);
98		94x	return ec;
99			}
100
101			native_handle_type
102		11x	local_stream_socket::native_handle() const noexcept
103			{
104	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 10 times.	11x	if (!is_open())
105			#if BOOST_COROSIO_HAS_IOCP
106		1x	return ~native_handle_type(0);
107			#else
108			return -1;
109			#endif
110		10x	return get().native_handle();
111			}
112
113			capy::results<native_handle_type>
114		4x	local_stream_socket::release() noexcept
115			{
116	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 7 taken 3 times.	4x	if (!is_open())
117			return {
118		2x	make_error_code(std::errc::bad_file_descriptor),
119		1x	detail::invalid_native_handle};
120		3x	return {std::error_code{}, get().release_socket()};
121			}
122
123			capy::results<std::size_t>
124		4x	local_stream_socket::available() const noexcept
125			{
126	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 7 taken 3 times.	4x	if (!is_open())
127		1x	return {make_error_code(std::errc::bad_file_descriptor), 0};
128			#if BOOST_COROSIO_HAS_IOCP
129		3x	u_long value = 0;
130	2/2 ✓ Branch 9 → 10 taken 1 time. ✓ Branch 9 → 14 taken 2 times.	3x	if (::ioctlsocket(static_cast<SOCKET>(native_handle()), FIONREAD, &value) !=
131			0)
132			return {
133		1x	detail::make_err(static_cast<unsigned long>(::WSAGetLastError())),
134		1x	0};
135		2x	return {std::error_code{}, static_cast<std::size_t>(value)};
136			#else
137			int value = 0;
138			if (::ioctl(native_handle(), FIONREAD, &value) < 0)
139			return {detail::make_err(errno), 0};
140			return {std::error_code{}, static_cast<std::size_t>(value)};
141			#endif
142			}
143
144			local_endpoint
145		3x	local_stream_socket::local_endpoint() const noexcept
146			{
147	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 2 times.	3x	if (!is_open())
148		1x	return corosio::local_endpoint{};
149		2x	return get().local_endpoint();
150			}
151
152			local_endpoint
153		3x	local_stream_socket::remote_endpoint() const noexcept
154			{
155	2/2 ✓ Branch 3 → 4 taken 1 time. ✓ Branch 3 → 5 taken 2 times.	3x	if (!is_open())
156		1x	return corosio::local_endpoint{};
157		2x	return get().remote_endpoint();
158			}
159
160			} // namespace boost::corosio
161
162			#endif // BOOST_COROSIO_POSIX \|\| BOOST_COROSIO_HAS_IOCP
163