src/corosio/src/detail/socket_service.hpp

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src/corosio/src/detail/socket_service.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_DETAIL_SOCKET_SERVICE_HPP
11 #define BOOST_COROSIO_DETAIL_SOCKET_SERVICE_HPP
12
13 #include <boost/corosio/detail/config.hpp>
14 #include <boost/corosio/tcp_socket.hpp>
15 #include <boost/capy/ex/execution_context.hpp>
16 #include <system_error>
17
18 namespace boost::corosio::detail {
19
20 /** Abstract socket service base class.
21
22 Concrete implementations ( epoll_sockets, select_sockets, etc. )
23 inherit from this class and provide platform-specific socket
24 operations. The context constructor installs whichever backend
25 via `make_service`, and `tcp_socket.cpp` retrieves it via
26 `use_service<socket_service>()`.
27 */
28 class socket_service
29 : public capy::execution_context::service
30 , public io_object::io_service
31 {
32 public:
33 /// Identifies this service for `execution_context` lookup.
34 using key_type = socket_service;
35
36 /** Open a socket.
37
38 Creates an IPv4 TCP socket and associates it with the platform reactor.
39
40 @param impl The socket implementation to open.
41 @return Error code on failure, empty on success.
42 */
43 virtual std::error_code open_socket(tcp_socket::implementation& impl) = 0;
44
45 protected:
46 /// Construct the socket service.
47 336 socket_service() = default;
48
49 /// Destroy the socket service.
50 336 ~socket_service() override = default;
51 };
52
53 } // namespace boost::corosio::detail
54
55 #endif // BOOST_COROSIO_DETAIL_SOCKET_SERVICE_HPP
56