5 // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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)
11 #ifndef BOOST_ASIO_IP_UNICAST_HPP
12 #define BOOST_ASIO_IP_UNICAST_HPP
14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
18 #include <boost/asio/detail/config.hpp>
20 #include <boost/asio/ip/detail/socket_option.hpp>
22 #include <boost/asio/detail/push_options.hpp>
29 /// Socket option for time-to-live associated with outgoing unicast packets.
31 * Implements the IPPROTO_IP/IP_UNICAST_TTL socket option.
36 * boost::asio::ip::udp::socket socket(io_service);
38 * boost::asio::ip::unicast::hops option(4);
39 * socket.set_option(option);
43 * Getting the current option value:
45 * boost::asio::ip::udp::socket socket(io_service);
47 * boost::asio::ip::unicast::hops option;
48 * socket.get_option(option);
49 * int ttl = option.value();
53 * GettableSocketOption, SettableSocketOption.
55 #if defined(GENERATING_DOCUMENTATION)
56 typedef implementation_defined hops;
58 typedef boost::asio::ip::detail::socket_option::unicast_hops<
59 BOOST_ASIO_OS_DEF(IPPROTO_IP),
60 BOOST_ASIO_OS_DEF(IP_TTL),
61 BOOST_ASIO_OS_DEF(IPPROTO_IPV6),
62 BOOST_ASIO_OS_DEF(IPV6_UNICAST_HOPS)> hops;
65 } // namespace unicast
70 #include <boost/asio/detail/pop_options.hpp>
72 #endif // BOOST_ASIO_IP_UNICAST_HPP