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- //
- // ip/udp.hpp
- // ~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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/config.hpp"
- #include "asio/basic_datagram_socket.hpp"
- #include "asio/detail/socket_types.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/push_options.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<udp> endpoint;
-
- /// Construct to represent the IPv4 UDP protocol.
- static udp v4()
- {
- return udp(ASIO_OS_DEF(AF_INET));
- }
-
- /// Construct to represent the IPv6 UDP protocol.
- static udp v6()
- {
- return udp(ASIO_OS_DEF(AF_INET6));
- }
-
- /// Obtain an identifier for the type of the protocol.
- int type() const
- {
- return ASIO_OS_DEF(SOCK_DGRAM);
- }
-
- /// Obtain an identifier for the protocol.
- int protocol() const
- {
- return ASIO_OS_DEF(IPPROTO_UDP);
- }
-
- /// Obtain an identifier for the protocol family.
- int family() const
- {
- return family_;
- }
-
- /// The UDP socket type.
- typedef basic_datagram_socket<udp> socket;
-
- /// The UDP resolver type.
- typedef basic_resolver<udp> 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 protocol_family)
- : family_(protocol_family)
- {
- }
-
- int family_;
- };
-
- } // namespace ip
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_IP_UDP_HPP
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