// // stream_socket_service.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2008 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 BOOST_ASIO_STREAM_SOCKET_SERVICE_HPP #define BOOST_ASIO_STREAM_SOCKET_SERVICE_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/push_options.hpp> #include <boost/asio/detail/push_options.hpp> #include <cstddef> #include <boost/config.hpp> #include <boost/asio/detail/pop_options.hpp> #include <boost/asio/error.hpp> #include <boost/asio/io_service.hpp> #include <boost/asio/detail/epoll_reactor.hpp> #include <boost/asio/detail/kqueue_reactor.hpp> #include <boost/asio/detail/select_reactor.hpp> #include <boost/asio/detail/service_base.hpp> #include <boost/asio/detail/win_iocp_socket_service.hpp> #include <boost/asio/detail/reactive_socket_service.hpp> namespace boost { namespace asio { /// Default service implementation for a stream socket. template <typename Protocol> class stream_socket_service #if defined(GENERATING_DOCUMENTATION) : public boost::asio::io_service::service #else : public boost::asio::detail::service_base<stream_socket_service<Protocol> > #endif { public: #if defined(GENERATING_DOCUMENTATION) /// The unique service identifier. static boost::asio::io_service::id id; #endif /// The protocol type. typedef Protocol protocol_type; /// The endpoint type. typedef typename Protocol::endpoint endpoint_type; private: // The type of the platform-specific implementation. #if defined(BOOST_ASIO_HAS_IOCP) typedef detail::win_iocp_socket_service<Protocol> service_impl_type; #elif defined(BOOST_ASIO_HAS_EPOLL) typedef detail::reactive_socket_service< Protocol, detail::epoll_reactor<false> > service_impl_type; #elif defined(BOOST_ASIO_HAS_KQUEUE) typedef detail::reactive_socket_service< Protocol, detail::kqueue_reactor<false> > service_impl_type; #elif defined(BOOST_ASIO_HAS_DEV_POLL) typedef detail::reactive_socket_service< Protocol, detail::dev_poll_reactor<false> > service_impl_type; #else typedef detail::reactive_socket_service< Protocol, detail::select_reactor<false> > service_impl_type; #endif public: /// The type of a stream socket implementation. #if defined(GENERATING_DOCUMENTATION) typedef implementation_defined implementation_type; #else typedef typename service_impl_type::implementation_type implementation_type; #endif /// The native socket type. #if defined(GENERATING_DOCUMENTATION) typedef implementation_defined native_type; #else typedef typename service_impl_type::native_type native_type; #endif /// Construct a new stream socket service for the specified io_service. explicit stream_socket_service(boost::asio::io_service& io_service) : boost::asio::detail::service_base< stream_socket_service<Protocol> >(io_service), service_impl_(boost::asio::use_service<service_impl_type>(io_service)) { } /// Destroy all user-defined handler objects owned by the service. void shutdown_service() { } /// Construct a new stream socket implementation. void construct(implementation_type& impl) { service_impl_.construct(impl); } /// Destroy a stream socket implementation. void destroy(implementation_type& impl) { service_impl_.destroy(impl); } /// Open a stream socket. boost::system::error_code open(implementation_type& impl, const protocol_type& protocol, boost::system::error_code& ec) { if (protocol.type() == SOCK_STREAM) service_impl_.open(impl, protocol, ec); else ec = boost::asio::error::invalid_argument; return ec; } /// Assign an existing native socket to a stream socket. boost::system::error_code assign(implementation_type& impl, const protocol_type& protocol, const native_type& native_socket, boost::system::error_code& ec) { return service_impl_.assign(impl, protocol, native_socket, ec); } /// Determine whether the socket is open. bool is_open(const implementation_type& impl) const { return service_impl_.is_open(impl); } /// Close a stream socket implementation. boost::system::error_code close(implementation_type& impl, boost::system::error_code& ec) { return service_impl_.close(impl, ec); } /// Get the native socket implementation. native_type native(implementation_type& impl) { return service_impl_.native(impl); } /// Cancel all asynchronous operations associated with the socket. boost::system::error_code cancel(implementation_type& impl, boost::system::error_code& ec) { return service_impl_.cancel(impl, ec); } /// Determine whether the socket is at the out-of-band data mark. bool at_mark(const implementation_type& impl, boost::system::error_code& ec) const { return service_impl_.at_mark(impl, ec); } /// Determine the number of bytes available for reading. std::size_t available(const implementation_type& impl, boost::system::error_code& ec) const { return service_impl_.available(impl, ec); } /// Bind the stream socket to the specified local endpoint. boost::system::error_code bind(implementation_type& impl, const endpoint_type& endpoint, boost::system::error_code& ec) { return service_impl_.bind(impl, endpoint, ec); } /// Connect the stream socket to the specified endpoint. boost::system::error_code connect(implementation_type& impl, const endpoint_type& peer_endpoint, boost::system::error_code& ec) { return service_impl_.connect(impl, peer_endpoint, ec); } /// Start an asynchronous connect. template <typename ConnectHandler> void async_connect(implementation_type& impl, const endpoint_type& peer_endpoint, ConnectHandler handler) { service_impl_.async_connect(impl, peer_endpoint, handler); } /// Set a socket option. template <typename SettableSocketOption> boost::system::error_code set_option(implementation_type& impl, const SettableSocketOption& option, boost::system::error_code& ec) { return service_impl_.set_option(impl, option, ec); } /// Get a socket option. template <typename GettableSocketOption> boost::system::error_code get_option(const implementation_type& impl, GettableSocketOption& option, boost::system::error_code& ec) const { return service_impl_.get_option(impl, option, ec); } /// Perform an IO control command on the socket. template <typename IoControlCommand> boost::system::error_code io_control(implementation_type& impl, IoControlCommand& command, boost::system::error_code& ec) { return service_impl_.io_control(impl, command, ec); } /// Get the local endpoint. endpoint_type local_endpoint(const implementation_type& impl, boost::system::error_code& ec) const { return service_impl_.local_endpoint(impl, ec); } /// Get the remote endpoint. endpoint_type remote_endpoint(const implementation_type& impl, boost::system::error_code& ec) const { return service_impl_.remote_endpoint(impl, ec); } /// Disable sends or receives on the socket. boost::system::error_code shutdown(implementation_type& impl, socket_base::shutdown_type what, boost::system::error_code& ec) { return service_impl_.shutdown(impl, what, ec); } /// Send the given data to the peer. template <typename ConstBufferSequence> std::size_t send(implementation_type& impl, const ConstBufferSequence& buffers, socket_base::message_flags flags, boost::system::error_code& ec) { return service_impl_.send(impl, buffers, flags, ec); } /// Start an asynchronous send. template <typename ConstBufferSequence, typename WriteHandler> void async_send(implementation_type& impl, const ConstBufferSequence& buffers, socket_base::message_flags flags, WriteHandler handler) { service_impl_.async_send(impl, buffers, flags, handler); } /// Receive some data from the peer. template <typename MutableBufferSequence> std::size_t receive(implementation_type& impl, const MutableBufferSequence& buffers, socket_base::message_flags flags, boost::system::error_code& ec) { return service_impl_.receive(impl, buffers, flags, ec); } /// Start an asynchronous receive. template <typename MutableBufferSequence, typename ReadHandler> void async_receive(implementation_type& impl, const MutableBufferSequence& buffers, socket_base::message_flags flags, ReadHandler handler) { service_impl_.async_receive(impl, buffers, flags, handler); } private: // The service that provides the platform-specific implementation. service_impl_type& service_impl_; }; } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // BOOST_ASIO_STREAM_SOCKET_SERVICE_HPP