basic_endpoint.hpp 6.7 KB

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  1. //
  2. // ip/basic_endpoint.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2015 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_BASIC_ENDPOINT_HPP
  11. #define BOOST_ASIO_IP_BASIC_ENDPOINT_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/config.hpp>
  16. #include <boost/asio/ip/address.hpp>
  17. #include <boost/asio/ip/detail/endpoint.hpp>
  18. #if !defined(BOOST_ASIO_NO_IOSTREAM)
  19. # include <iosfwd>
  20. #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
  21. #include <boost/asio/detail/push_options.hpp>
  22. namespace boost {
  23. namespace asio {
  24. namespace ip {
  25. /// Describes an endpoint for a version-independent IP socket.
  26. /**
  27. * The boost::asio::ip::basic_endpoint class template describes an endpoint that
  28. * may be associated with a particular socket.
  29. *
  30. * @par Thread Safety
  31. * @e Distinct @e objects: Safe.@n
  32. * @e Shared @e objects: Unsafe.
  33. *
  34. * @par Concepts:
  35. * Endpoint.
  36. */
  37. template <typename InternetProtocol>
  38. class basic_endpoint
  39. {
  40. public:
  41. /// The protocol type associated with the endpoint.
  42. typedef InternetProtocol protocol_type;
  43. /// The type of the endpoint structure. This type is dependent on the
  44. /// underlying implementation of the socket layer.
  45. #if defined(GENERATING_DOCUMENTATION)
  46. typedef implementation_defined data_type;
  47. #else
  48. typedef boost::asio::detail::socket_addr_type data_type;
  49. #endif
  50. /// Default constructor.
  51. basic_endpoint()
  52. : impl_()
  53. {
  54. }
  55. /// Construct an endpoint using a port number, specified in the host's byte
  56. /// order. The IP address will be the any address (i.e. INADDR_ANY or
  57. /// in6addr_any). This constructor would typically be used for accepting new
  58. /// connections.
  59. /**
  60. * @par Examples
  61. * To initialise an IPv4 TCP endpoint for port 1234, use:
  62. * @code
  63. * boost::asio::ip::tcp::endpoint ep(boost::asio::ip::tcp::v4(), 1234);
  64. * @endcode
  65. *
  66. * To specify an IPv6 UDP endpoint for port 9876, use:
  67. * @code
  68. * boost::asio::ip::udp::endpoint ep(boost::asio::ip::udp::v6(), 9876);
  69. * @endcode
  70. */
  71. basic_endpoint(const InternetProtocol& internet_protocol,
  72. unsigned short port_num)
  73. : impl_(internet_protocol.family(), port_num)
  74. {
  75. }
  76. /// Construct an endpoint using a port number and an IP address. This
  77. /// constructor may be used for accepting connections on a specific interface
  78. /// or for making a connection to a remote endpoint.
  79. basic_endpoint(const boost::asio::ip::address& addr, unsigned short port_num)
  80. : impl_(addr, port_num)
  81. {
  82. }
  83. /// Copy constructor.
  84. basic_endpoint(const basic_endpoint& other)
  85. : impl_(other.impl_)
  86. {
  87. }
  88. #if defined(BOOST_ASIO_HAS_MOVE)
  89. /// Move constructor.
  90. basic_endpoint(basic_endpoint&& other)
  91. : impl_(other.impl_)
  92. {
  93. }
  94. #endif // defined(BOOST_ASIO_HAS_MOVE)
  95. /// Assign from another endpoint.
  96. basic_endpoint& operator=(const basic_endpoint& other)
  97. {
  98. impl_ = other.impl_;
  99. return *this;
  100. }
  101. #if defined(BOOST_ASIO_HAS_MOVE)
  102. /// Move-assign from another endpoint.
  103. basic_endpoint& operator=(basic_endpoint&& other)
  104. {
  105. impl_ = other.impl_;
  106. return *this;
  107. }
  108. #endif // defined(BOOST_ASIO_HAS_MOVE)
  109. /// The protocol associated with the endpoint.
  110. protocol_type protocol() const
  111. {
  112. if (impl_.is_v4())
  113. return InternetProtocol::v4();
  114. return InternetProtocol::v6();
  115. }
  116. /// Get the underlying endpoint in the native type.
  117. data_type* data()
  118. {
  119. return impl_.data();
  120. }
  121. /// Get the underlying endpoint in the native type.
  122. const data_type* data() const
  123. {
  124. return impl_.data();
  125. }
  126. /// Get the underlying size of the endpoint in the native type.
  127. std::size_t size() const
  128. {
  129. return impl_.size();
  130. }
  131. /// Set the underlying size of the endpoint in the native type.
  132. void resize(std::size_t new_size)
  133. {
  134. impl_.resize(new_size);
  135. }
  136. /// Get the capacity of the endpoint in the native type.
  137. std::size_t capacity() const
  138. {
  139. return impl_.capacity();
  140. }
  141. /// Get the port associated with the endpoint. The port number is always in
  142. /// the host's byte order.
  143. unsigned short port() const
  144. {
  145. return impl_.port();
  146. }
  147. /// Set the port associated with the endpoint. The port number is always in
  148. /// the host's byte order.
  149. void port(unsigned short port_num)
  150. {
  151. impl_.port(port_num);
  152. }
  153. /// Get the IP address associated with the endpoint.
  154. boost::asio::ip::address address() const
  155. {
  156. return impl_.address();
  157. }
  158. /// Set the IP address associated with the endpoint.
  159. void address(const boost::asio::ip::address& addr)
  160. {
  161. impl_.address(addr);
  162. }
  163. /// Compare two endpoints for equality.
  164. friend bool operator==(const basic_endpoint<InternetProtocol>& e1,
  165. const basic_endpoint<InternetProtocol>& e2)
  166. {
  167. return e1.impl_ == e2.impl_;
  168. }
  169. /// Compare two endpoints for inequality.
  170. friend bool operator!=(const basic_endpoint<InternetProtocol>& e1,
  171. const basic_endpoint<InternetProtocol>& e2)
  172. {
  173. return !(e1 == e2);
  174. }
  175. /// Compare endpoints for ordering.
  176. friend bool operator<(const basic_endpoint<InternetProtocol>& e1,
  177. const basic_endpoint<InternetProtocol>& e2)
  178. {
  179. return e1.impl_ < e2.impl_;
  180. }
  181. /// Compare endpoints for ordering.
  182. friend bool operator>(const basic_endpoint<InternetProtocol>& e1,
  183. const basic_endpoint<InternetProtocol>& e2)
  184. {
  185. return e2.impl_ < e1.impl_;
  186. }
  187. /// Compare endpoints for ordering.
  188. friend bool operator<=(const basic_endpoint<InternetProtocol>& e1,
  189. const basic_endpoint<InternetProtocol>& e2)
  190. {
  191. return !(e2 < e1);
  192. }
  193. /// Compare endpoints for ordering.
  194. friend bool operator>=(const basic_endpoint<InternetProtocol>& e1,
  195. const basic_endpoint<InternetProtocol>& e2)
  196. {
  197. return !(e1 < e2);
  198. }
  199. private:
  200. // The underlying IP endpoint.
  201. boost::asio::ip::detail::endpoint impl_;
  202. };
  203. #if !defined(BOOST_ASIO_NO_IOSTREAM)
  204. /// Output an endpoint as a string.
  205. /**
  206. * Used to output a human-readable string for a specified endpoint.
  207. *
  208. * @param os The output stream to which the string will be written.
  209. *
  210. * @param endpoint The endpoint to be written.
  211. *
  212. * @return The output stream.
  213. *
  214. * @relates boost::asio::ip::basic_endpoint
  215. */
  216. template <typename Elem, typename Traits, typename InternetProtocol>
  217. std::basic_ostream<Elem, Traits>& operator<<(
  218. std::basic_ostream<Elem, Traits>& os,
  219. const basic_endpoint<InternetProtocol>& endpoint);
  220. #endif // !defined(BOOST_ASIO_NO_IOSTREAM)
  221. } // namespace ip
  222. } // namespace asio
  223. } // namespace boost
  224. #include <boost/asio/detail/pop_options.hpp>
  225. #include <boost/asio/ip/impl/basic_endpoint.hpp>
  226. #endif // BOOST_ASIO_IP_BASIC_ENDPOINT_HPP