| // |
| // ip/v6_only.hpp |
| // ~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef ASIO_IP_V6_ONLY_HPP |
| #define ASIO_IP_V6_ONLY_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include "asio/detail/socket_option.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace ip { |
| |
| /// Socket option for determining whether an IPv6 socket supports IPv6 |
| /// communication only. |
| /** |
| * Implements the IPPROTO_IPV6/IP_V6ONLY socket option. |
| * |
| * @par Examples |
| * Setting the option: |
| * @code |
| * asio::ip::tcp::socket socket(io_service); |
| * ... |
| * asio::ip::v6_only option(true); |
| * socket.set_option(option); |
| * @endcode |
| * |
| * @par |
| * Getting the current option value: |
| * @code |
| * asio::ip::tcp::socket socket(io_service); |
| * ... |
| * asio::ip::v6_only option; |
| * socket.get_option(option); |
| * bool v6_only = option.value(); |
| * @endcode |
| * |
| * @par Concepts: |
| * GettableSocketOption, SettableSocketOption. |
| */ |
| #if defined(GENERATING_DOCUMENTATION) |
| typedef implementation_defined v6_only; |
| #elif defined(IPV6_V6ONLY) |
| typedef asio::detail::socket_option::boolean< |
| IPPROTO_IPV6, IPV6_V6ONLY> v6_only; |
| #else |
| typedef asio::detail::socket_option::boolean< |
| asio::detail::custom_socket_option_level, |
| asio::detail::always_fail_option> v6_only; |
| #endif |
| |
| } // namespace ip |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_IP_V6_ONLY_HPP |