// | |
// ip/v6_only.hpp | |
// ~~~~~~~~~~~~~~ | |
// | |
// Copyright (c) 2003-2011 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 BOOST_ASIO_IP_V6_ONLY_HPP | |
#define BOOST_ASIO_IP_V6_ONLY_HPP | |
#if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
# pragma once | |
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
#include <boost/asio/detail/config.hpp> | |
#include <boost/asio/detail/socket_option.hpp> | |
#include <boost/asio/detail/push_options.hpp> | |
namespace boost { | |
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 | |
* boost::asio::ip::tcp::socket socket(io_service); | |
* ... | |
* boost::asio::ip::v6_only option(true); | |
* socket.set_option(option); | |
* @endcode | |
* | |
* @par | |
* Getting the current option value: | |
* @code | |
* boost::asio::ip::tcp::socket socket(io_service); | |
* ... | |
* boost::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 boost::asio::detail::socket_option::boolean< | |
IPPROTO_IPV6, IPV6_V6ONLY> v6_only; | |
#else | |
typedef boost::asio::detail::socket_option::boolean< | |
boost::asio::detail::custom_socket_option_level, | |
boost::asio::detail::always_fail_option> v6_only; | |
#endif | |
} // namespace ip | |
} // namespace asio | |
} // namespace boost | |
#include <boost/asio/detail/pop_options.hpp> | |
#endif // BOOST_ASIO_IP_V6_ONLY_HPP |