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158 lines
3.9 KiB
C++
158 lines
3.9 KiB
C++
//
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// ip/tcp.hpp
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// ~~~~~~~~~~
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//
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// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_IP_TCP_HPP
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#define BOOST_ASIO_IP_TCP_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#include <boost/asio/basic_socket_acceptor.hpp>
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#include <boost/asio/basic_socket_iostream.hpp>
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#include <boost/asio/basic_stream_socket.hpp>
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#include <boost/asio/detail/socket_option.hpp>
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#include <boost/asio/detail/socket_types.hpp>
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#include <boost/asio/ip/basic_endpoint.hpp>
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#include <boost/asio/ip/basic_resolver.hpp>
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#include <boost/asio/ip/basic_resolver_iterator.hpp>
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#include <boost/asio/ip/basic_resolver_query.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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namespace ip {
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/// Encapsulates the flags needed for TCP.
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/**
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* The boost::asio::ip::tcp class contains flags necessary for TCP sockets.
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*
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* @par Thread Safety
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* @e Distinct @e objects: Safe.@n
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* @e Shared @e objects: Safe.
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*
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* @par Concepts:
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* Protocol, InternetProtocol.
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*/
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class tcp
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{
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public:
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/// The type of a TCP endpoint.
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typedef basic_endpoint<tcp> endpoint;
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/// Construct to represent the IPv4 TCP protocol.
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static tcp v4()
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{
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return tcp(BOOST_ASIO_OS_DEF(AF_INET));
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}
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/// Construct to represent the IPv6 TCP protocol.
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static tcp v6()
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{
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return tcp(BOOST_ASIO_OS_DEF(AF_INET6));
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}
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/// Obtain an identifier for the type of the protocol.
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int type() const
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{
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return BOOST_ASIO_OS_DEF(SOCK_STREAM);
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}
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/// Obtain an identifier for the protocol.
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int protocol() const
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{
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return BOOST_ASIO_OS_DEF(IPPROTO_TCP);
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}
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/// Obtain an identifier for the protocol family.
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int family() const
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{
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return family_;
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}
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/// The TCP socket type.
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typedef basic_stream_socket<tcp> socket;
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/// The TCP acceptor type.
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typedef basic_socket_acceptor<tcp> acceptor;
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/// The TCP resolver type.
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typedef basic_resolver<tcp> resolver;
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#if !defined(BOOST_ASIO_NO_IOSTREAM)
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/// The TCP iostream type.
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typedef basic_socket_iostream<tcp> iostream;
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#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
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/// Socket option for disabling the Nagle algorithm.
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/**
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* Implements the IPPROTO_TCP/TCP_NODELAY socket option.
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*
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* @par Examples
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* Setting the option:
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* @code
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* boost::asio::ip::tcp::socket socket(io_service);
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* ...
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* boost::asio::ip::tcp::no_delay option(true);
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* socket.set_option(option);
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* @endcode
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*
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* @par
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* Getting the current option value:
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* @code
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* boost::asio::ip::tcp::socket socket(io_service);
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* ...
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* boost::asio::ip::tcp::no_delay option;
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* socket.get_option(option);
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* bool is_set = option.value();
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* @endcode
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*
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* @par Concepts:
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* Socket_Option, Boolean_Socket_Option.
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*/
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#if defined(GENERATING_DOCUMENTATION)
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typedef implementation_defined no_delay;
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#else
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typedef boost::asio::detail::socket_option::boolean<
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BOOST_ASIO_OS_DEF(IPPROTO_TCP), BOOST_ASIO_OS_DEF(TCP_NODELAY)> no_delay;
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#endif
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/// Compare two protocols for equality.
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friend bool operator==(const tcp& p1, const tcp& p2)
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{
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return p1.family_ == p2.family_;
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}
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/// Compare two protocols for inequality.
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friend bool operator!=(const tcp& p1, const tcp& p2)
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{
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return p1.family_ != p2.family_;
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}
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private:
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// Construct with a specific family.
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explicit tcp(int protocol_family)
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: family_(protocol_family)
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{
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}
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int family_;
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};
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} // namespace ip
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_IP_TCP_HPP
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