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69 lines
1.7 KiB
69 lines
1.7 KiB
// |
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// ip/unicast.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_UNICAST_HPP |
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#define BOOST_ASIO_IP_UNICAST_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 <cstddef> |
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#include <boost/asio/ip/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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namespace unicast { |
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/// Socket option for time-to-live associated with outgoing unicast packets. |
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/** |
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* Implements the IPPROTO_IP/IP_UNICAST_TTL 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::udp::socket socket(io_service); |
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* ... |
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* boost::asio::ip::unicast::hops option(4); |
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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::udp::socket socket(io_service); |
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* ... |
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* boost::asio::ip::unicast::hops option; |
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* socket.get_option(option); |
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* int ttl = 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 hops; |
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#else |
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typedef boost::asio::ip::detail::socket_option::unicast_hops< |
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IPPROTO_IP, IP_TTL, IPPROTO_IPV6, IPV6_UNICAST_HOPS> hops; |
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#endif |
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} // namespace unicast |
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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_UNICAST_HPP
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