src/corosio/src/resolver.cpp

100.0% Lines (8/8) 100.0% Functions (3/3)

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1		//
2		// Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com)
3		// Copyright (c) 2026 Steve Gerbino
4		//
5		// Distributed under the Boost Software License, Version 1.0. (See accompanying
6		// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7		//
8		// Official repository: https://github.com/cppalliance/corosio
9		//
10
11		#include <boost/corosio/resolver.hpp>
12		#include <boost/corosio/detail/platform.hpp>
13
14		#if BOOST_COROSIO_HAS_IOCP
15		#include <boost/corosio/native/detail/iocp/win_resolver_service.hpp>
16		#elif BOOST_COROSIO_POSIX
17		#include <boost/corosio/native/detail/posix/posix_resolver_service.hpp>
18		#endif
19
20		/*
21		Resolver Frontend
22		=================
23
24		This file implements the public resolver class, which delegates to
25		platform-specific services:
26		- Windows: win_resolver_service (uses GetAddrInfoExW)
27		- POSIX: posix_resolver_service (uses getaddrinfo + worker threads)
28
29		The resolver constructor uses find_service() to locate the resolver
30		service, which must have been previously created by the scheduler
31		during io_context construction. If not found, construction fails.
32
33		This separation allows the public API to be platform-agnostic while
34		the implementation details are hidden in the detail namespace.
35		*/
36
37		namespace boost::corosio {
38		namespace {
39
40		#if BOOST_COROSIO_HAS_IOCP
41		using resolver_service = detail::win_resolver_service;
42		#elif BOOST_COROSIO_POSIX
43		using resolver_service = detail::posix_resolver_service;
44		#endif
45
46		} // namespace
47
48	30	resolver::~resolver() = default;
49
50	29	resolver::resolver(capy::execution_context& ctx)
51	29	: io_object(create_handle<resolver_service>(ctx))
52		{
53	29	}
54
55		void
56	4	resolver::cancel()
57		{
58	4	if (h_)
59	4	get().cancel();
60	4	}
61
62		} // namespace boost::corosio
63