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- //
- // ip/multicast.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_MULTICAST_HPP
- #define ASIO_IP_MULTICAST_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include <cstddef>
- #include "asio/ip/detail/socket_option.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
- namespace ip {
- namespace multicast {
-
- /// Socket option to join a multicast group on a specified interface.
- /**
- * Implements the IPPROTO_IP/IP_ADD_MEMBERSHIP socket option.
- *
- * @par Examples
- * Setting the option to join a multicast group:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::address multicast_address =
- * asio::ip::address::from_string("225.0.0.1");
- * asio::ip::multicast::join_group option(multicast_address);
- * socket.set_option(option);
- * @endcode
- *
- * @par Concepts:
- * SettableSocketOption.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined join_group;
- #else
- typedef asio::ip::detail::socket_option::multicast_request<
- ASIO_OS_DEF(IPPROTO_IP),
- ASIO_OS_DEF(IP_ADD_MEMBERSHIP),
- ASIO_OS_DEF(IPPROTO_IPV6),
- ASIO_OS_DEF(IPV6_JOIN_GROUP)> join_group;
- #endif
-
- /// Socket option to leave a multicast group on a specified interface.
- /**
- * Implements the IPPROTO_IP/IP_DROP_MEMBERSHIP socket option.
- *
- * @par Examples
- * Setting the option to leave a multicast group:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::address multicast_address =
- * asio::ip::address::from_string("225.0.0.1");
- * asio::ip::multicast::leave_group option(multicast_address);
- * socket.set_option(option);
- * @endcode
- *
- * @par Concepts:
- * SettableSocketOption.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined leave_group;
- #else
- typedef asio::ip::detail::socket_option::multicast_request<
- ASIO_OS_DEF(IPPROTO_IP),
- ASIO_OS_DEF(IP_DROP_MEMBERSHIP),
- ASIO_OS_DEF(IPPROTO_IPV6),
- ASIO_OS_DEF(IPV6_LEAVE_GROUP)> leave_group;
- #endif
-
- /// Socket option for local interface to use for outgoing multicast packets.
- /**
- * Implements the IPPROTO_IP/IP_MULTICAST_IF socket option.
- *
- * @par Examples
- * Setting the option:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::address_v4 local_interface =
- * asio::ip::address_v4::from_string("1.2.3.4");
- * asio::ip::multicast::outbound_interface option(local_interface);
- * socket.set_option(option);
- * @endcode
- *
- * @par Concepts:
- * SettableSocketOption.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined outbound_interface;
- #else
- typedef asio::ip::detail::socket_option::network_interface<
- ASIO_OS_DEF(IPPROTO_IP),
- ASIO_OS_DEF(IP_MULTICAST_IF),
- ASIO_OS_DEF(IPPROTO_IPV6),
- ASIO_OS_DEF(IPV6_MULTICAST_IF)> outbound_interface;
- #endif
-
- /// Socket option for time-to-live associated with outgoing multicast packets.
- /**
- * Implements the IPPROTO_IP/IP_MULTICAST_TTL socket option.
- *
- * @par Examples
- * Setting the option:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::multicast::hops option(4);
- * socket.set_option(option);
- * @endcode
- *
- * @par
- * Getting the current option value:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::multicast::hops option;
- * socket.get_option(option);
- * int ttl = option.value();
- * @endcode
- *
- * @par Concepts:
- * GettableSocketOption, SettableSocketOption.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined hops;
- #else
- typedef asio::ip::detail::socket_option::multicast_hops<
- ASIO_OS_DEF(IPPROTO_IP),
- ASIO_OS_DEF(IP_MULTICAST_TTL),
- ASIO_OS_DEF(IPPROTO_IPV6),
- ASIO_OS_DEF(IPV6_MULTICAST_HOPS)> hops;
- #endif
-
- /// Socket option determining whether outgoing multicast packets will be
- /// received on the same socket if it is a member of the multicast group.
- /**
- * Implements the IPPROTO_IP/IP_MULTICAST_LOOP socket option.
- *
- * @par Examples
- * Setting the option:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::multicast::enable_loopback option(true);
- * socket.set_option(option);
- * @endcode
- *
- * @par
- * Getting the current option value:
- * @code
- * asio::ip::udp::socket socket(io_context);
- * ...
- * asio::ip::multicast::enable_loopback option;
- * socket.get_option(option);
- * bool is_set = option.value();
- * @endcode
- *
- * @par Concepts:
- * GettableSocketOption, SettableSocketOption.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined enable_loopback;
- #else
- typedef asio::ip::detail::socket_option::multicast_enable_loopback<
- ASIO_OS_DEF(IPPROTO_IP),
- ASIO_OS_DEF(IP_MULTICAST_LOOP),
- ASIO_OS_DEF(IPPROTO_IPV6),
- ASIO_OS_DEF(IPV6_MULTICAST_LOOP)> enable_loopback;
- #endif
-
- } // namespace multicast
- } // namespace ip
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_IP_MULTICAST_HPP
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