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1 | // |
2 | // ip/v6_only.hpp | |
3 | // ~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) | |
6 | // | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef BOOST_ASIO_IP_V6_ONLY_HPP | |
12 | #define BOOST_ASIO_IP_V6_ONLY_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | #include <boost/asio/detail/socket_option.hpp> | |
20 | ||
21 | #include <boost/asio/detail/push_options.hpp> | |
22 | ||
23 | namespace boost { | |
24 | namespace asio { | |
25 | namespace ip { | |
26 | ||
27 | /// Socket option for determining whether an IPv6 socket supports IPv6 | |
28 | /// communication only. | |
29 | /** | |
30 | * Implements the IPPROTO_IPV6/IP_V6ONLY socket option. | |
31 | * | |
32 | * @par Examples | |
33 | * Setting the option: | |
34 | * @code | |
35 | * boost::asio::ip::tcp::socket socket(io_service); | |
36 | * ... | |
37 | * boost::asio::ip::v6_only option(true); | |
38 | * socket.set_option(option); | |
39 | * @endcode | |
40 | * | |
41 | * @par | |
42 | * Getting the current option value: | |
43 | * @code | |
44 | * boost::asio::ip::tcp::socket socket(io_service); | |
45 | * ... | |
46 | * boost::asio::ip::v6_only option; | |
47 | * socket.get_option(option); | |
48 | * bool v6_only = option.value(); | |
49 | * @endcode | |
50 | * | |
51 | * @par Concepts: | |
52 | * GettableSocketOption, SettableSocketOption. | |
53 | */ | |
54 | #if defined(GENERATING_DOCUMENTATION) | |
55 | typedef implementation_defined v6_only; | |
56 | #elif defined(IPV6_V6ONLY) | |
57 | typedef boost::asio::detail::socket_option::boolean< | |
58 | IPPROTO_IPV6, IPV6_V6ONLY> v6_only; | |
59 | #else | |
60 | typedef boost::asio::detail::socket_option::boolean< | |
61 | boost::asio::detail::custom_socket_option_level, | |
62 | boost::asio::detail::always_fail_option> v6_only; | |
63 | #endif | |
64 | ||
65 | } // namespace ip | |
66 | } // namespace asio | |
67 | } // namespace boost | |
68 | ||
69 | #include <boost/asio/detail/pop_options.hpp> | |
70 | ||
71 | #endif // BOOST_ASIO_IP_V6_ONLY_HPP |