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- //
- // ip/tcp.hpp
- // ~~~~~~~~~~
- //
- // Copyright (c) 2003-2015 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_TCP_HPP
- #define ASIO_IP_TCP_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_socket_acceptor.hpp"
- #include "asio/basic_socket_iostream.hpp"
- #include "asio/basic_stream_socket.hpp"
- #include "asio/detail/socket_option.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 TCP.
- /**
- * The asio::ip::tcp class contains flags necessary for TCP sockets.
- *
- * @par Thread Safety
- * @e Distinct @e objects: Safe.@n
- * @e Shared @e objects: Safe.
- *
- * @par Concepts:
- * Protocol, InternetProtocol.
- */
- class tcp
- {
- public:
- /// The type of a TCP endpoint.
- typedef basic_endpoint<tcp> endpoint;
-
- /// Construct to represent the IPv4 TCP protocol.
- static tcp v4()
- {
- return tcp(ASIO_OS_DEF(AF_INET));
- }
-
- /// Construct to represent the IPv6 TCP protocol.
- static tcp v6()
- {
- return tcp(ASIO_OS_DEF(AF_INET6));
- }
-
- /// Obtain an identifier for the type of the protocol.
- int type() const
- {
- return ASIO_OS_DEF(SOCK_STREAM);
- }
-
- /// Obtain an identifier for the protocol.
- int protocol() const
- {
- return ASIO_OS_DEF(IPPROTO_TCP);
- }
-
- /// Obtain an identifier for the protocol family.
- int family() const
- {
- return family_;
- }
-
- /// The TCP socket type.
- typedef basic_stream_socket<tcp> socket;
-
- /// The TCP acceptor type.
- typedef basic_socket_acceptor<tcp> acceptor;
-
- /// The TCP resolver type.
- typedef basic_resolver<tcp> resolver;
-
- #if !defined(ASIO_NO_IOSTREAM)
- /// The TCP iostream type.
- typedef basic_socket_iostream<tcp> iostream;
- #endif // !defined(ASIO_NO_IOSTREAM)
-
- /// Socket option for disabling the Nagle algorithm.
- /**
- * Implements the IPPROTO_TCP/TCP_NODELAY socket option.
- *
- * @par Examples
- * Setting the option:
- * @code
- * asio::ip::tcp::socket socket(io_context);
- * ...
- * asio::ip::tcp::no_delay option(true);
- * socket.set_option(option);
- * @endcode
- *
- * @par
- * Getting the current option value:
- * @code
- * asio::ip::tcp::socket socket(io_context);
- * ...
- * asio::ip::tcp::no_delay option;
- * socket.get_option(option);
- * bool is_set = option.value();
- * @endcode
- *
- * @par Concepts:
- * Socket_Option, Boolean_Socket_Option.
- */
- #if defined(GENERATING_DOCUMENTATION)
- typedef implementation_defined no_delay;
- #else
- typedef asio::detail::socket_option::boolean<
- ASIO_OS_DEF(IPPROTO_TCP), ASIO_OS_DEF(TCP_NODELAY)> no_delay;
- #endif
-
- /// Compare two protocols for equality.
- friend bool operator==(const tcp& p1, const tcp& p2)
- {
- return p1.family_ == p2.family_;
- }
-
- /// Compare two protocols for inequality.
- friend bool operator!=(const tcp& p1, const tcp& p2)
- {
- return p1.family_ != p2.family_;
- }
-
- private:
- // Construct with a specific family.
- explicit tcp(int protocol_family)
- : family_(protocol_family)
- {
- }
-
- int family_;
- };
-
- } // namespace ip
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_IP_TCP_HPP
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