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Diffstat (limited to 'lib/asio/ip/multicast.hpp')
| -rw-r--r-- | lib/asio/ip/multicast.hpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/lib/asio/ip/multicast.hpp b/lib/asio/ip/multicast.hpp new file mode 100644 index 0000000..ea624e1 --- /dev/null +++ b/lib/asio/ip/multicast.hpp @@ -0,0 +1,191 @@ +// +// ip/multicast.hpp +// ~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 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 |