Added boost header
This commit is contained in:
Christophe Riccio
429
test/external/boost/asio/detail/reactive_socket_service_base.hpp
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429
test/external/boost/asio/detail/reactive_socket_service_base.hpp
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//
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// detail/reactive_socket_service_base.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2011 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_DETAIL_REACTIVE_SOCKET_SERVICE_BASE_HPP
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#define BOOST_ASIO_DETAIL_REACTIVE_SOCKET_SERVICE_BASE_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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#if !defined(BOOST_ASIO_HAS_IOCP)
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#include <boost/utility/addressof.hpp>
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#include <boost/asio/buffer.hpp>
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#include <boost/asio/error.hpp>
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#include <boost/asio/io_service.hpp>
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#include <boost/asio/socket_base.hpp>
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#include <boost/asio/detail/buffer_sequence_adapter.hpp>
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#include <boost/asio/detail/reactive_null_buffers_op.hpp>
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#include <boost/asio/detail/reactive_socket_recv_op.hpp>
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#include <boost/asio/detail/reactive_socket_recvmsg_op.hpp>
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#include <boost/asio/detail/reactive_socket_send_op.hpp>
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#include <boost/asio/detail/reactor.hpp>
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#include <boost/asio/detail/reactor_op.hpp>
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#include <boost/asio/detail/socket_holder.hpp>
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#include <boost/asio/detail/socket_ops.hpp>
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#include <boost/asio/detail/socket_types.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 detail {
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class reactive_socket_service_base
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{
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public:
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// The native type of a socket.
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typedef socket_type native_handle_type;
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// The implementation type of the socket.
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struct base_implementation_type
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{
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// The native socket representation.
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socket_type socket_;
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// The current state of the socket.
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socket_ops::state_type state_;
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// Per-descriptor data used by the reactor.
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reactor::per_descriptor_data reactor_data_;
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};
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// Constructor.
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BOOST_ASIO_DECL reactive_socket_service_base(
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boost::asio::io_service& io_service);
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// Destroy all user-defined handler objects owned by the service.
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BOOST_ASIO_DECL void shutdown_service();
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// Construct a new socket implementation.
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BOOST_ASIO_DECL void construct(base_implementation_type& impl);
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// Move-construct a new socket implementation.
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BOOST_ASIO_DECL void base_move_construct(base_implementation_type& impl,
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base_implementation_type& other_impl);
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// Move-assign from another socket implementation.
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BOOST_ASIO_DECL void base_move_assign(base_implementation_type& impl,
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reactive_socket_service_base& other_service,
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base_implementation_type& other_impl);
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// Destroy a socket implementation.
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BOOST_ASIO_DECL void destroy(base_implementation_type& impl);
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// Determine whether the socket is open.
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bool is_open(const base_implementation_type& impl) const
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{
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return impl.socket_ != invalid_socket;
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}
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// Destroy a socket implementation.
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BOOST_ASIO_DECL boost::system::error_code close(
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base_implementation_type& impl, boost::system::error_code& ec);
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// Get the native socket representation.
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native_handle_type native_handle(base_implementation_type& impl)
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{
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return impl.socket_;
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}
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// Cancel all operations associated with the socket.
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BOOST_ASIO_DECL boost::system::error_code cancel(
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base_implementation_type& impl, boost::system::error_code& ec);
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// Determine whether the socket is at the out-of-band data mark.
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bool at_mark(const base_implementation_type& impl,
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boost::system::error_code& ec) const
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{
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return socket_ops::sockatmark(impl.socket_, ec);
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}
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// Determine the number of bytes available for reading.
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std::size_t available(const base_implementation_type& impl,
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boost::system::error_code& ec) const
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{
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return socket_ops::available(impl.socket_, ec);
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}
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// Place the socket into the state where it will listen for new connections.
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boost::system::error_code listen(base_implementation_type& impl,
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int backlog, boost::system::error_code& ec)
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{
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socket_ops::listen(impl.socket_, backlog, ec);
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return ec;
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}
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// Perform an IO control command on the socket.
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template <typename IO_Control_Command>
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boost::system::error_code io_control(base_implementation_type& impl,
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IO_Control_Command& command, boost::system::error_code& ec)
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{
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socket_ops::ioctl(impl.socket_, impl.state_, command.name(),
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static_cast<ioctl_arg_type*>(command.data()), ec);
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return ec;
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}
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// Gets the non-blocking mode of the socket.
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bool non_blocking(const base_implementation_type& impl) const
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{
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return (impl.state_ & socket_ops::user_set_non_blocking) != 0;
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}
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// Sets the non-blocking mode of the socket.
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boost::system::error_code non_blocking(base_implementation_type& impl,
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bool mode, boost::system::error_code& ec)
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{
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socket_ops::set_user_non_blocking(impl.socket_, impl.state_, mode, ec);
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return ec;
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}
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// Gets the non-blocking mode of the native socket implementation.
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bool native_non_blocking(const base_implementation_type& impl) const
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{
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return (impl.state_ & socket_ops::internal_non_blocking) != 0;
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}
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// Sets the non-blocking mode of the native socket implementation.
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boost::system::error_code native_non_blocking(base_implementation_type& impl,
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bool mode, boost::system::error_code& ec)
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{
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socket_ops::set_internal_non_blocking(impl.socket_, impl.state_, mode, ec);
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return ec;
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}
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// Disable sends or receives on the socket.
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boost::system::error_code shutdown(base_implementation_type& impl,
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socket_base::shutdown_type what, boost::system::error_code& ec)
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{
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socket_ops::shutdown(impl.socket_, what, ec);
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return ec;
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}
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// Send the given data to the peer.
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template <typename ConstBufferSequence>
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size_t send(base_implementation_type& impl,
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const ConstBufferSequence& buffers,
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socket_base::message_flags flags, boost::system::error_code& ec)
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{
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buffer_sequence_adapter<boost::asio::const_buffer,
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ConstBufferSequence> bufs(buffers);
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return socket_ops::sync_send(impl.socket_, impl.state_,
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bufs.buffers(), bufs.count(), flags, bufs.all_empty(), ec);
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}
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// Wait until data can be sent without blocking.
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size_t send(base_implementation_type& impl, const null_buffers&,
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socket_base::message_flags, boost::system::error_code& ec)
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{
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// Wait for socket to become ready.
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socket_ops::poll_write(impl.socket_, impl.state_, ec);
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return 0;
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}
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// Start an asynchronous send. The data being sent must be valid for the
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// lifetime of the asynchronous operation.
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template <typename ConstBufferSequence, typename Handler>
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void async_send(base_implementation_type& impl,
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const ConstBufferSequence& buffers,
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socket_base::message_flags flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_socket_send_op<ConstBufferSequence, Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(impl.socket_, buffers, flags, handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket", &impl, "async_send"));
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start_op(impl, reactor::write_op, p.p, true,
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((impl.state_ & socket_ops::stream_oriented)
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&& buffer_sequence_adapter<boost::asio::const_buffer,
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ConstBufferSequence>::all_empty(buffers)));
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p.v = p.p = 0;
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}
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// Start an asynchronous wait until data can be sent without blocking.
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template <typename Handler>
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void async_send(base_implementation_type& impl, const null_buffers&,
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socket_base::message_flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_null_buffers_op<Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket",
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&impl, "async_send(null_buffers)"));
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start_op(impl, reactor::write_op, p.p, false, false);
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p.v = p.p = 0;
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}
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// Receive some data from the peer. Returns the number of bytes received.
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template <typename MutableBufferSequence>
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size_t receive(base_implementation_type& impl,
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const MutableBufferSequence& buffers,
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socket_base::message_flags flags, boost::system::error_code& ec)
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{
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buffer_sequence_adapter<boost::asio::mutable_buffer,
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MutableBufferSequence> bufs(buffers);
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return socket_ops::sync_recv(impl.socket_, impl.state_,
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bufs.buffers(), bufs.count(), flags, bufs.all_empty(), ec);
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}
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// Wait until data can be received without blocking.
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size_t receive(base_implementation_type& impl, const null_buffers&,
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socket_base::message_flags, boost::system::error_code& ec)
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{
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// Wait for socket to become ready.
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socket_ops::poll_read(impl.socket_, impl.state_, ec);
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return 0;
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}
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// Start an asynchronous receive. The buffer for the data being received
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// must be valid for the lifetime of the asynchronous operation.
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template <typename MutableBufferSequence, typename Handler>
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void async_receive(base_implementation_type& impl,
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const MutableBufferSequence& buffers,
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socket_base::message_flags flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_socket_recv_op<MutableBufferSequence, Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(impl.socket_, impl.state_, buffers, flags, handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket", &impl, "async_receive"));
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start_op(impl,
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(flags & socket_base::message_out_of_band)
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? reactor::except_op : reactor::read_op,
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p.p, (flags & socket_base::message_out_of_band) == 0,
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((impl.state_ & socket_ops::stream_oriented)
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&& buffer_sequence_adapter<boost::asio::mutable_buffer,
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MutableBufferSequence>::all_empty(buffers)));
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p.v = p.p = 0;
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}
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// Wait until data can be received without blocking.
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template <typename Handler>
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void async_receive(base_implementation_type& impl, const null_buffers&,
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socket_base::message_flags flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_null_buffers_op<Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket",
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&impl, "async_receive(null_buffers)"));
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start_op(impl,
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(flags & socket_base::message_out_of_band)
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? reactor::except_op : reactor::read_op,
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p.p, false, false);
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p.v = p.p = 0;
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}
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// Receive some data with associated flags. Returns the number of bytes
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// received.
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template <typename MutableBufferSequence>
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size_t receive_with_flags(base_implementation_type& impl,
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const MutableBufferSequence& buffers,
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socket_base::message_flags in_flags,
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socket_base::message_flags& out_flags, boost::system::error_code& ec)
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{
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buffer_sequence_adapter<boost::asio::mutable_buffer,
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MutableBufferSequence> bufs(buffers);
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return socket_ops::sync_recvmsg(impl.socket_, impl.state_,
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bufs.buffers(), bufs.count(), in_flags, out_flags, ec);
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}
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// Wait until data can be received without blocking.
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size_t receive_with_flags(base_implementation_type& impl,
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const null_buffers&, socket_base::message_flags,
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socket_base::message_flags& out_flags, boost::system::error_code& ec)
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{
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// Wait for socket to become ready.
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socket_ops::poll_read(impl.socket_, impl.state_, ec);
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// Clear out_flags, since we cannot give it any other sensible value when
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// performing a null_buffers operation.
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out_flags = 0;
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return 0;
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}
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// Start an asynchronous receive. The buffer for the data being received
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// must be valid for the lifetime of the asynchronous operation.
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template <typename MutableBufferSequence, typename Handler>
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void async_receive_with_flags(base_implementation_type& impl,
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const MutableBufferSequence& buffers, socket_base::message_flags in_flags,
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socket_base::message_flags& out_flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_socket_recvmsg_op<MutableBufferSequence, Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(impl.socket_, buffers, in_flags, out_flags, handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket",
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&impl, "async_receive_with_flags"));
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start_op(impl,
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(in_flags & socket_base::message_out_of_band)
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? reactor::except_op : reactor::read_op,
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p.p, (in_flags & socket_base::message_out_of_band) == 0, false);
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p.v = p.p = 0;
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}
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// Wait until data can be received without blocking.
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template <typename Handler>
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void async_receive_with_flags(base_implementation_type& impl,
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const null_buffers&, socket_base::message_flags in_flags,
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socket_base::message_flags& out_flags, Handler handler)
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{
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// Allocate and construct an operation to wrap the handler.
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typedef reactive_null_buffers_op<Handler> op;
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typename op::ptr p = { boost::addressof(handler),
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boost_asio_handler_alloc_helpers::allocate(
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sizeof(op), handler), 0 };
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p.p = new (p.v) op(handler);
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BOOST_ASIO_HANDLER_CREATION((p.p, "socket", &impl,
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"async_receive_with_flags(null_buffers)"));
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// Clear out_flags, since we cannot give it any other sensible value when
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// performing a null_buffers operation.
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out_flags = 0;
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start_op(impl,
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(in_flags & socket_base::message_out_of_band)
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? reactor::except_op : reactor::read_op,
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p.p, false, false);
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p.v = p.p = 0;
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}
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protected:
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// Open a new socket implementation.
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BOOST_ASIO_DECL boost::system::error_code do_open(
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base_implementation_type& impl, int af,
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int type, int protocol, boost::system::error_code& ec);
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// Assign a native socket to a socket implementation.
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BOOST_ASIO_DECL boost::system::error_code do_assign(
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base_implementation_type& impl, int type,
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const native_handle_type& native_socket, boost::system::error_code& ec);
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// Start the asynchronous read or write operation.
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BOOST_ASIO_DECL void start_op(base_implementation_type& impl, int op_type,
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reactor_op* op, bool is_non_blocking, bool noop);
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// Start the asynchronous accept operation.
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BOOST_ASIO_DECL void start_accept_op(base_implementation_type& impl,
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reactor_op* op, bool peer_is_open);
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// Start the asynchronous connect operation.
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BOOST_ASIO_DECL void start_connect_op(base_implementation_type& impl,
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reactor_op* op, const socket_addr_type* addr, size_t addrlen);
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// The selector that performs event demultiplexing for the service.
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reactor& reactor_;
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};
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} // namespace detail
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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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#if defined(BOOST_ASIO_HEADER_ONLY)
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# include <boost/asio/detail/impl/reactive_socket_service_base.ipp>
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#endif // defined(BOOST_ASIO_HEADER_ONLY)
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#endif // !defined(BOOST_ASIO_HAS_IOCP)
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#endif // BOOST_ASIO_DETAIL_REACTIVE_SOCKET_SERVICE_BASE_HPP
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