multicast.hpp 5.0 KB

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  1. //
  2. // multicast.hpp
  3. // ~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  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)
  9. //
  10. #ifndef BOOST_ASIO_IP_MULTICAST_HPP
  11. #define BOOST_ASIO_IP_MULTICAST_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/push_options.hpp>
  16. #include <boost/asio/detail/push_options.hpp>
  17. #include <cstddef>
  18. #include <boost/config.hpp>
  19. #include <boost/asio/detail/pop_options.hpp>
  20. #include <boost/asio/ip/detail/socket_option.hpp>
  21. namespace boost {
  22. namespace asio {
  23. namespace ip {
  24. namespace multicast {
  25. /// Socket option to join a multicast group on a specified interface.
  26. /**
  27. * Implements the IPPROTO_IP/IP_ADD_MEMBERSHIP socket option.
  28. *
  29. * @par Examples
  30. * Setting the option to join a multicast group:
  31. * @code
  32. * boost::asio::ip::udp::socket socket(io_service);
  33. * ...
  34. * boost::asio::ip::address multicast_address =
  35. * boost::asio::ip::address::from_string("225.0.0.1");
  36. * boost::asio::ip::multicast::join_group option(multicast_address);
  37. * socket.set_option(option);
  38. * @endcode
  39. *
  40. * @par Concepts:
  41. * SettableSocketOption.
  42. */
  43. #if defined(GENERATING_DOCUMENTATION)
  44. typedef implementation_defined join_group;
  45. #else
  46. typedef boost::asio::ip::detail::socket_option::multicast_request<
  47. IPPROTO_IP, IP_ADD_MEMBERSHIP, IPPROTO_IPV6, IPV6_JOIN_GROUP> join_group;
  48. #endif
  49. /// Socket option to leave a multicast group on a specified interface.
  50. /**
  51. * Implements the IPPROTO_IP/IP_DROP_MEMBERSHIP socket option.
  52. *
  53. * @par Examples
  54. * Setting the option to leave a multicast group:
  55. * @code
  56. * boost::asio::ip::udp::socket socket(io_service);
  57. * ...
  58. * boost::asio::ip::address multicast_address =
  59. * boost::asio::ip::address::from_string("225.0.0.1");
  60. * boost::asio::ip::multicast::leave_group option(multicast_address);
  61. * socket.set_option(option);
  62. * @endcode
  63. *
  64. * @par Concepts:
  65. * SettableSocketOption.
  66. */
  67. #if defined(GENERATING_DOCUMENTATION)
  68. typedef implementation_defined leave_group;
  69. #else
  70. typedef boost::asio::ip::detail::socket_option::multicast_request<
  71. IPPROTO_IP, IP_DROP_MEMBERSHIP, IPPROTO_IPV6, IPV6_LEAVE_GROUP> leave_group;
  72. #endif
  73. /// Socket option for local interface to use for outgoing multicast packets.
  74. /**
  75. * Implements the IPPROTO_IP/IP_MULTICAST_IF socket option.
  76. *
  77. * @par Examples
  78. * Setting the option:
  79. * @code
  80. * boost::asio::ip::udp::socket socket(io_service);
  81. * ...
  82. * boost::asio::ip::address_v4 local_interface =
  83. * boost::asio::ip::address_v4::from_string("1.2.3.4");
  84. * boost::asio::ip::multicast::outbound_interface option(local_interface);
  85. * socket.set_option(option);
  86. * @endcode
  87. *
  88. * @par Concepts:
  89. * SettableSocketOption.
  90. */
  91. #if defined(GENERATING_DOCUMENTATION)
  92. typedef implementation_defined outbound_interface;
  93. #else
  94. typedef boost::asio::ip::detail::socket_option::network_interface<
  95. IPPROTO_IP, IP_MULTICAST_IF, IPPROTO_IPV6, IPV6_MULTICAST_IF>
  96. outbound_interface;
  97. #endif
  98. /// Socket option for time-to-live associated with outgoing multicast packets.
  99. /**
  100. * Implements the IPPROTO_IP/IP_MULTICAST_TTL socket option.
  101. *
  102. * @par Examples
  103. * Setting the option:
  104. * @code
  105. * boost::asio::ip::udp::socket socket(io_service);
  106. * ...
  107. * boost::asio::ip::multicast::hops option(4);
  108. * socket.set_option(option);
  109. * @endcode
  110. *
  111. * @par
  112. * Getting the current option value:
  113. * @code
  114. * boost::asio::ip::udp::socket socket(io_service);
  115. * ...
  116. * boost::asio::ip::multicast::hops option;
  117. * socket.get_option(option);
  118. * int ttl = option.value();
  119. * @endcode
  120. *
  121. * @par Concepts:
  122. * GettableSocketOption, SettableSocketOption.
  123. */
  124. #if defined(GENERATING_DOCUMENTATION)
  125. typedef implementation_defined hops;
  126. #else
  127. typedef boost::asio::ip::detail::socket_option::multicast_hops<
  128. IPPROTO_IP, IP_MULTICAST_TTL, IPPROTO_IPV6, IPV6_MULTICAST_HOPS> hops;
  129. #endif
  130. /// Socket option determining whether outgoing multicast packets will be
  131. /// received on the same socket if it is a member of the multicast group.
  132. /**
  133. * Implements the IPPROTO_IP/IP_MULTICAST_LOOP socket option.
  134. *
  135. * @par Examples
  136. * Setting the option:
  137. * @code
  138. * boost::asio::ip::udp::socket socket(io_service);
  139. * ...
  140. * boost::asio::ip::multicast::enable_loopback option(true);
  141. * socket.set_option(option);
  142. * @endcode
  143. *
  144. * @par
  145. * Getting the current option value:
  146. * @code
  147. * boost::asio::ip::udp::socket socket(io_service);
  148. * ...
  149. * boost::asio::ip::multicast::enable_loopback option;
  150. * socket.get_option(option);
  151. * bool is_set = option.value();
  152. * @endcode
  153. *
  154. * @par Concepts:
  155. * GettableSocketOption, SettableSocketOption.
  156. */
  157. #if defined(GENERATING_DOCUMENTATION)
  158. typedef implementation_defined enable_loopback;
  159. #else
  160. typedef boost::asio::ip::detail::socket_option::multicast_enable_loopback<
  161. IPPROTO_IP, IP_MULTICAST_LOOP, IPPROTO_IPV6, IPV6_MULTICAST_LOOP>
  162. enable_loopback;
  163. #endif
  164. } // namespace multicast
  165. } // namespace ip
  166. } // namespace asio
  167. } // namespace boost
  168. #include <boost/asio/detail/pop_options.hpp>
  169. #endif // BOOST_ASIO_IP_MULTICAST_HPP