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71 lines
1.8 KiB
71 lines
1.8 KiB
// |
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// ip/v6_only.hpp |
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// ~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#ifndef BOOST_ASIO_IP_V6_ONLY_HPP |
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#define BOOST_ASIO_IP_V6_ONLY_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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#include <boost/asio/detail/config.hpp> |
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#include <boost/asio/detail/socket_option.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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namespace ip { |
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/// Socket option for determining whether an IPv6 socket supports IPv6 |
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/// communication only. |
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/** |
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* Implements the IPPROTO_IPV6/IP_V6ONLY socket option. |
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* |
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* @par Examples |
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* Setting the option: |
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* @code |
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* boost::asio::ip::tcp::socket socket(io_service); |
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* ... |
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* boost::asio::ip::v6_only option(true); |
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* socket.set_option(option); |
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* @endcode |
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* |
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* @par |
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* Getting the current option value: |
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* @code |
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* boost::asio::ip::tcp::socket socket(io_service); |
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* ... |
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* boost::asio::ip::v6_only option; |
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* socket.get_option(option); |
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* bool v6_only = option.value(); |
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* @endcode |
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* |
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* @par Concepts: |
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* GettableSocketOption, SettableSocketOption. |
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*/ |
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#if defined(GENERATING_DOCUMENTATION) |
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typedef implementation_defined v6_only; |
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#elif defined(IPV6_V6ONLY) |
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typedef boost::asio::detail::socket_option::boolean< |
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IPPROTO_IPV6, IPV6_V6ONLY> v6_only; |
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#else |
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typedef boost::asio::detail::socket_option::boolean< |
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boost::asio::detail::custom_socket_option_level, |
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boost::asio::detail::always_fail_option> v6_only; |
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#endif |
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} // namespace ip |
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} // namespace asio |
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} // namespace boost |
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#include <boost/asio/detail/pop_options.hpp> |
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#endif // BOOST_ASIO_IP_V6_ONLY_HPP
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