// // udp.hpp // ~~~~~~~ // // Copyright (c) 2003-2007 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_UDP_HPP #define ASIO_IP_UDP_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include "asio/detail/push_options.hpp" #include "asio/basic_datagram_socket.hpp" #include "asio/ip/basic_endpoint.hpp" #include "asio/ip/basic_resolver.hpp" #include "asio/ip/basic_resolver_iterator.hpp" #include "asio/ip/basic_resolver_query.hpp" #include "asio/detail/socket_types.hpp" namespace asio { namespace ip { /// Encapsulates the flags needed for UDP. /** * The asio::ip::udp class contains flags necessary for UDP sockets. * * @par Thread Safety * @e Distinct @e objects: Safe.@n * @e Shared @e objects: Safe. * * @par Concepts: * Protocol, InternetProtocol. */ class udp { public: /// The type of a UDP endpoint. typedef basic_endpoint endpoint; /// The type of a resolver query. typedef basic_resolver_query resolver_query; /// The type of a resolver iterator. typedef basic_resolver_iterator resolver_iterator; /// Construct to represent the IPv4 UDP protocol. static udp v4() { return udp(PF_INET); } /// Construct to represent the IPv6 UDP protocol. static udp v6() { return udp(PF_INET6); } /// Obtain an identifier for the type of the protocol. int type() const { return SOCK_DGRAM; } /// Obtain an identifier for the protocol. int protocol() const { return IPPROTO_UDP; } /// Obtain an identifier for the protocol family. int family() const { return family_; } /// The UDP socket type. typedef basic_datagram_socket socket; /// The UDP resolver type. typedef basic_resolver resolver; /// Compare two protocols for equality. friend bool operator==(const udp& p1, const udp& p2) { return p1.family_ == p2.family_; } /// Compare two protocols for inequality. friend bool operator!=(const udp& p1, const udp& p2) { return p1.family_ != p2.family_; } private: // Construct with a specific family. explicit udp(int family) : family_(family) { } int family_; }; } // namespace ip } // namespace asio #include "asio/detail/pop_options.hpp" #endif // ASIO_IP_UDP_HPP