libs/corosio/src/corosio/src/tcp_acceptor.cpp

91.4% Lines (32/35) 100.0% Functions (6/6) 81.2% Branches (13/16)

Line	Branch	Hits	Source Code
1			//
2			// Copyright (c) 2025 Vinnie Falco (vinnie dot falco at gmail dot com)
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/tcp_acceptor.hpp>
11			#include <boost/corosio/detail/platform.hpp>
12
13			#if BOOST_COROSIO_HAS_IOCP
14			#include "src/detail/iocp/sockets.hpp"
15			#else
16			// POSIX backends use the abstract acceptor_service interface
17			#include "src/detail/socket_service.hpp"
18			#endif
19
20			#include <boost/corosio/detail/except.hpp>
21
22			namespace boost::corosio {
23
24		118	tcp_acceptor::
25		118	~tcp_acceptor()
26			{
27		118	close();
28		118	}
29
30		116	tcp_acceptor::
31			tcp_acceptor(
32		116	capy::execution_context& ctx)
33		116	: io_object(ctx)
34			{
35		116	}
36
37			std::error_code
38		113	tcp_acceptor::
39			listen(endpoint ep, int backlog)
40			{
41	2/2 ✓ Branch 0 taken 1 time. ✓ Branch 1 taken 112 times.	113	if (impl_)
42	1/1 ✓ Branch 1 taken 1 time.	1	close();
43
44		113	std::error_code ec;
45
46			#if BOOST_COROSIO_HAS_IOCP
47			auto& svc = ctx_->use_service<detail::win_sockets>();
48			auto& wrapper = svc.create_acceptor_impl();
49			impl_ = &wrapper;
50			ec = svc.open_acceptor(*wrapper.get_internal(), ep, backlog);
51			#else
52			// POSIX backends use abstract acceptor_service for runtime polymorphism.
53			// The concrete service (epoll_sockets or select_sockets) must be installed
54			// by the context constructor before any acceptor operations.
55		113	auto* svc = ctx_->find_service<detail::acceptor_service>();
56	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 113 times.	113	if (!svc)
57			{
58			// Should not happen with properly constructed io_context
59		✗	return make_error_code(std::errc::operation_not_supported);
60			}
61	1/1 ✓ Branch 1 taken 113 times.	113	auto& wrapper = svc->create_acceptor_impl();
62		113	impl_ = &wrapper;
63	1/1 ✓ Branch 1 taken 113 times.	113	ec = svc->open_acceptor(wrapper, ep, backlog);
64			#endif
65			// Both branches above define 'wrapper' as a reference to the impl
66	2/2 ✓ Branch 1 taken 9 times. ✓ Branch 2 taken 104 times.	113	if (ec)
67			{
68	1/1 ✓ Branch 1 taken 9 times.	9	wrapper.release();
69		9	impl_ = nullptr;
70			}
71		113	return ec;
72			}
73
74			void
75		227	tcp_acceptor::
76			close()
77			{
78	2/2 ✓ Branch 0 taken 123 times. ✓ Branch 1 taken 104 times.	227	if (!impl_)
79		123	return;
80
81			// acceptor_impl has virtual release() method
82		104	impl_->release();
83		104	impl_ = nullptr;
84			}
85
86			void
87		2	tcp_acceptor::
88			cancel()
89			{
90	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 2 times.	2	if (!impl_)
91		✗	return;
92			#if BOOST_COROSIO_HAS_IOCP
93			static_cast<detail::win_acceptor_impl*>(impl_)->get_internal()->cancel();
94			#else
95			// acceptor_impl has virtual cancel() method
96		2	get().cancel();
97			#endif
98			}
99
100			endpoint
101		16	tcp_acceptor::
102			local_endpoint() const noexcept
103			{
104	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 16 times.	16	if (!impl_)
105		✗	return endpoint{};
106		16	return get().local_endpoint();
107			}
108
109			} // namespace boost::corosio
110