include/boost/corosio/detail/endpoint_convert.hpp

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1			//
2			// Copyright (c) 2026 Vinnie Falco ([email protected])
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_ENDPOINT_CONVERT_HPP
11			#define BOOST_COROSIO_DETAIL_ENDPOINT_CONVERT_HPP
12
13			#include <boost/corosio/endpoint.hpp>
14			#include <boost/corosio/detail/platform.hpp>
15
16			#include <cstring>
17
18			#if BOOST_COROSIO_POSIX
19			#include <sys/socket.h>
20			#include <netinet/in.h>
21			#include <arpa/inet.h>
22			#else
23			#ifndef WIN32_LEAN_AND_MEAN
24			#define WIN32_LEAN_AND_MEAN
25			#endif
26			#ifndef NOMINMAX
27			#define NOMINMAX
28			#endif
29			#include <WinSock2.h>
30			#include <Ws2tcpip.h>
31			#endif
32
33			namespace boost::corosio::detail {
34
35			/** Convert IPv4 endpoint to sockaddr_in.
36
37			@param ep The endpoint to convert. Must be IPv4 (is_v4() == true).
38			@return A sockaddr_in structure with fields in network byte order.
39			*/
40			inline sockaddr_in
41		8159	to_sockaddr_in(endpoint const& ep) noexcept
42			{
43		8159	sockaddr_in sa{};
44		8159	sa.sin_family = AF_INET;
45	1/2 ✓ Branch 0 taken 8159 times. ✗ Branch 1 not taken.	8159	sa.sin_port = htons(ep.port());
46		8159	auto bytes = ep.v4_address().to_bytes();
47		8159	std::memcpy(&sa.sin_addr, bytes.data(), 4);
48		8159	return sa;
49			}
50
51			/** Convert IPv6 endpoint to sockaddr_in6.
52
53			@param ep The endpoint to convert. Must be IPv6 (is_v6() == true).
54			@return A sockaddr_in6 structure with fields in network byte order.
55			*/
56			inline sockaddr_in6
57		2	to_sockaddr_in6(endpoint const& ep) noexcept
58			{
59		2	sockaddr_in6 sa{};
60		2	sa.sin6_family = AF_INET6;
61		2	sa.sin6_port = htons(ep.port());
62		2	auto bytes = ep.v6_address().to_bytes();
63		2	std::memcpy(&sa.sin6_addr, bytes.data(), 16);
64		2	return sa;
65			}
66
67			/** Create endpoint from sockaddr_in.
68
69			@param sa The sockaddr_in structure with fields in network byte order.
70			@return An endpoint with address and port extracted from sa.
71			*/
72			inline endpoint
73		22429	from_sockaddr_in(sockaddr_in const& sa) noexcept
74			{
75			ipv4_address::bytes_type bytes;
76		22429	std::memcpy(bytes.data(), &sa.sin_addr, 4);
77	1/4 ✗ Branch 0 not taken. ✓ Branch 1 taken 22429 times. ✗ Branch 2 not taken. ✗ Branch 3 not taken.	22429	return endpoint(ipv4_address(bytes), ntohs(sa.sin_port));
78			}
79
80			/** Create endpoint from sockaddr_in6.
81
82			@param sa The sockaddr_in6 structure with fields in network byte order.
83			@return An endpoint with address and port extracted from sa.
84			*/
85			inline endpoint
86		8	from_sockaddr_in6(sockaddr_in6 const& sa) noexcept
87			{
88			ipv6_address::bytes_type bytes;
89		8	std::memcpy(bytes.data(), &sa.sin6_addr, 16);
90	1/2 ✗ Branch 0 not taken. ✓ Branch 1 taken 8 times.	8	return endpoint(ipv6_address(bytes), ntohs(sa.sin6_port));
91			}
92
93			} // namespace boost::corosio::detail
94
95			#endif
96