| // |
| // ip/udp.hpp |
| // ~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2021 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" |
| |
| #if defined(ASIO_HAS_APPLE_NETWORK_FRAMEWORK) |
| # include "asio/detail/apple_nw_ptr.hpp" |
| # include <Network/Network.h> |
| #endif // defined(ASIO_HAS_APPLE_NETWORK_FRAMEWORK) |
| |
| #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() ASIO_NOEXCEPT |
| { |
| return udp(ASIO_OS_DEF(AF_INET)); |
| } |
| |
| /// Construct to represent the IPv6 UDP protocol. |
| static udp v6() ASIO_NOEXCEPT |
| { |
| return udp(ASIO_OS_DEF(AF_INET6)); |
| } |
| |
| /// Construct to represent an unspecified TCP protocol. |
| static udp any() ASIO_NOEXCEPT |
| { |
| return udp(ASIO_OS_DEF(AF_UNSPEC)); |
| } |
| |
| /// Obtain an identifier for the type of the protocol. |
| int type() const ASIO_NOEXCEPT |
| { |
| return ASIO_OS_DEF(SOCK_DGRAM); |
| } |
| |
| /// Obtain an identifier for the protocol. |
| int protocol() const ASIO_NOEXCEPT |
| { |
| return ASIO_OS_DEF(IPPROTO_UDP); |
| } |
| |
| /// Obtain an identifier for the protocol family. |
| int family() const ASIO_NOEXCEPT |
| { |
| return family_; |
| } |
| |
| #if defined(ASIO_HAS_APPLE_NETWORK_FRAMEWORK) |
| // The following functions comprise the extensible interface for the Protocol |
| // concept when targeting the Apple Network Framework. |
| |
| // Obtain parameters to be used when creating a new connection or listener. |
| ASIO_DECL asio::detail::apple_nw_ptr<nw_parameters_t> |
| apple_nw_create_parameters() const; |
| |
| // Obtain the override value for the maximum receive size. |
| std::size_t apple_nw_max_receive_size() const ASIO_NOEXCEPT |
| { |
| return 65535; |
| } |
| #endif // defined(ASIO_HAS_APPLE_NETWORK_FRAMEWORK) |
| |
| /// 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) ASIO_NOEXCEPT |
| : family_(protocol_family) |
| { |
| } |
| |
| int family_; |
| }; |
| |
| } // namespace ip |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #if defined(ASIO_HEADER_ONLY) |
| # include "asio/ip/impl/udp.ipp" |
| #endif // defined(ASIO_HEADER_ONLY) |
| |
| #endif // ASIO_IP_UDP_HPP |