| 1 | // |
|---|---|
| 2 | // ip/udp.hpp |
| 3 | // ~~~~~~~~~~ |
| 4 | // |
| 5 | // Copyright (c) 2003-2024 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 | |
| 11 | #ifndef BOOST_ASIO_IP_UDP_HPP |
| 12 | #define BOOST_ASIO_IP_UDP_HPP |
| 13 | |
| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| 15 | # pragma once |
| 16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| 17 | |
| 18 | #include <boost/asio/detail/config.hpp> |
| 19 | #include <boost/asio/basic_datagram_socket.hpp> |
| 20 | #include <boost/asio/detail/socket_types.hpp> |
| 21 | #include <boost/asio/ip/basic_endpoint.hpp> |
| 22 | #include <boost/asio/ip/basic_resolver.hpp> |
| 23 | #include <boost/asio/ip/basic_resolver_iterator.hpp> |
| 24 | #include <boost/asio/ip/basic_resolver_query.hpp> |
| 25 | |
| 26 | #include <boost/asio/detail/push_options.hpp> |
| 27 | |
| 28 | namespace boost { |
| 29 | namespace asio { |
| 30 | namespace ip { |
| 31 | |
| 32 | /// Encapsulates the flags needed for UDP. |
| 33 | /** |
| 34 | * The boost::asio::ip::udp class contains flags necessary for UDP sockets. |
| 35 | * |
| 36 | * @par Thread Safety |
| 37 | * @e Distinct @e objects: Safe.@n |
| 38 | * @e Shared @e objects: Safe. |
| 39 | * |
| 40 | * @par Concepts: |
| 41 | * Protocol, InternetProtocol. |
| 42 | */ |
| 43 | class udp |
| 44 | { |
| 45 | public: |
| 46 | /// The type of a UDP endpoint. |
| 47 | typedef basic_endpoint<udp> endpoint; |
| 48 | |
| 49 | /// Construct to represent the IPv4 UDP protocol. |
| 50 | static udp v4() noexcept |
| 51 | { |
| 52 | return udp(BOOST_ASIO_OS_DEF(AF_INET)); |
| 53 | } |
| 54 | |
| 55 | /// Construct to represent the IPv6 UDP protocol. |
| 56 | static udp v6() noexcept |
| 57 | { |
| 58 | return udp(BOOST_ASIO_OS_DEF(AF_INET6)); |
| 59 | } |
| 60 | |
| 61 | /// Obtain an identifier for the type of the protocol. |
| 62 | int type() const noexcept |
| 63 | { |
| 64 | return BOOST_ASIO_OS_DEF(SOCK_DGRAM); |
| 65 | } |
| 66 | |
| 67 | /// Obtain an identifier for the protocol. |
| 68 | int protocol() const noexcept |
| 69 | { |
| 70 | return BOOST_ASIO_OS_DEF(IPPROTO_UDP); |
| 71 | } |
| 72 | |
| 73 | /// Obtain an identifier for the protocol family. |
| 74 | int family() const noexcept |
| 75 | { |
| 76 | return family_; |
| 77 | } |
| 78 | |
| 79 | /// The UDP socket type. |
| 80 | typedef basic_datagram_socket<udp> socket; |
| 81 | |
| 82 | /// The UDP resolver type. |
| 83 | typedef basic_resolver<udp> resolver; |
| 84 | |
| 85 | /// Compare two protocols for equality. |
| 86 | friend bool operator==(const udp& p1, const udp& p2) |
| 87 | { |
| 88 | return p1.family_ == p2.family_; |
| 89 | } |
| 90 | |
| 91 | /// Compare two protocols for inequality. |
| 92 | friend bool operator!=(const udp& p1, const udp& p2) |
| 93 | { |
| 94 | return p1.family_ != p2.family_; |
| 95 | } |
| 96 | |
| 97 | private: |
| 98 | // Construct with a specific family. |
| 99 | explicit udp(int protocol_family) noexcept |
| 100 | : family_(protocol_family) |
| 101 | { |
| 102 | } |
| 103 | |
| 104 | int family_; |
| 105 | }; |
| 106 | |
| 107 | } // namespace ip |
| 108 | } // namespace asio |
| 109 | } // namespace boost |
| 110 | |
| 111 | #include <boost/asio/detail/pop_options.hpp> |
| 112 | |
| 113 | #endif // BOOST_ASIO_IP_UDP_HPP |
| 114 |