include/boost/corosio/native/detail/epoll/epoll_acceptor.hpp

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1		//
2		// Copyright (c) 2026 Steve Gerbino
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		#ifndef BOOST_COROSIO_NATIVE_DETAIL_EPOLL_EPOLL_ACCEPTOR_HPP
11		#define BOOST_COROSIO_NATIVE_DETAIL_EPOLL_EPOLL_ACCEPTOR_HPP
12
13		#include <boost/corosio/detail/platform.hpp>
14
15		#if BOOST_COROSIO_HAS_EPOLL
16
17		#include <boost/corosio/tcp_acceptor.hpp>
18		#include <boost/capy/ex/executor_ref.hpp>
19		#include <boost/corosio/detail/intrusive.hpp>
20
21		#include <boost/corosio/native/detail/epoll/epoll_op.hpp>
22
23		#include <memory>
24
25		namespace boost::corosio::detail {
26
27		class epoll_acceptor_service;
28
29		/// Acceptor implementation for epoll backend.
30		class epoll_acceptor final
31		: public tcp_acceptor::implementation
32		, public std::enable_shared_from_this<epoll_acceptor>
33		, public intrusive_list<epoll_acceptor>::node
34		{
35		friend class epoll_acceptor_service;
36
37		public:
38		explicit epoll_acceptor(epoll_acceptor_service& svc) noexcept;
39
40		std::coroutine_handle<> accept(
41		std::coroutine_handle<>,
42		capy::executor_ref,
43		std::stop_token,
44		std::error_code*,
45		io_object::implementation**) override;
46
47		int native_handle() const noexcept
48		{
49		return fd_;
50		}
51	4682	endpoint local_endpoint() const noexcept override
52		{
53	4682	return local_endpoint_;
54		}
55	5181	bool is_open() const noexcept override
56		{
57	5181	return fd_ >= 0;
58		}
59		void cancel() noexcept override;
60
61		std::error_code set_option(
62		int level, int optname,
63		void const* data, std::size_t size) noexcept override;
64		std::error_code get_option(
65		int level, int optname,
66		void* data, std::size_t* size) const noexcept override;
67		void cancel_single_op(epoll_op& op) noexcept;
68		void close_socket() noexcept;
69	77	void set_local_endpoint(endpoint ep) noexcept
70		{
71	77	local_endpoint_ = ep;
72	77	}
73
74	9241	epoll_acceptor_service& service() noexcept
75		{
76	9241	return svc_;
77		}
78
79		epoll_accept_op acc_;
80		descriptor_state desc_state_;
81
82		private:
83		epoll_acceptor_service& svc_;
84		int fd_ = -1;
85		endpoint local_endpoint_;
86		};
87
88		} // namespace boost::corosio::detail
89
90		#endif // BOOST_COROSIO_HAS_EPOLL
91
92		#endif // BOOST_COROSIO_NATIVE_DETAIL_EPOLL_EPOLL_ACCEPTOR_HPP
93