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- //
- // detail/null_socket_service.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 BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
- #define BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
- #include <boost/asio/buffer.hpp>
- #include <boost/asio/error.hpp>
- #include <boost/asio/execution_context.hpp>
- #include <boost/asio/post.hpp>
- #include <boost/asio/socket_base.hpp>
- #include <boost/asio/detail/bind_handler.hpp>
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- template <typename Protocol>
- class null_socket_service :
- public execution_context_service_base<null_socket_service<Protocol> >
- {
- public:
- // The protocol type.
- typedef Protocol protocol_type;
- // The endpoint type.
- typedef typename Protocol::endpoint endpoint_type;
- // The native type of a socket.
- typedef int native_handle_type;
- // The implementation type of the socket.
- struct implementation_type
- {
- };
- // Constructor.
- null_socket_service(execution_context& context)
- : execution_context_service_base<null_socket_service<Protocol> >(context)
- {
- }
- // Destroy all user-defined handler objects owned by the service.
- void shutdown()
- {
- }
- // Construct a new socket implementation.
- void construct(implementation_type&)
- {
- }
- // Move-construct a new socket implementation.
- void move_construct(implementation_type&, implementation_type&)
- {
- }
- // Move-assign from another socket implementation.
- void move_assign(implementation_type&,
- null_socket_service&, implementation_type&)
- {
- }
- // Move-construct a new socket implementation from another protocol type.
- template <typename Protocol1>
- void converting_move_construct(implementation_type&,
- null_socket_service<Protocol1>&,
- typename null_socket_service<Protocol1>::implementation_type&)
- {
- }
- // Destroy a socket implementation.
- void destroy(implementation_type&)
- {
- }
- // Open a new socket implementation.
- boost::system::error_code open(implementation_type&,
- const protocol_type&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Assign a native socket to a socket implementation.
- boost::system::error_code assign(implementation_type&, const protocol_type&,
- const native_handle_type&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Determine whether the socket is open.
- bool is_open(const implementation_type&) const
- {
- return false;
- }
- // Destroy a socket implementation.
- boost::system::error_code close(implementation_type&,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Release ownership of the socket.
- native_handle_type release(implementation_type&,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Get the native socket representation.
- native_handle_type native_handle(implementation_type&)
- {
- return 0;
- }
- // Cancel all operations associated with the socket.
- boost::system::error_code cancel(implementation_type&,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Determine whether the socket is at the out-of-band data mark.
- bool at_mark(const implementation_type&,
- boost::system::error_code& ec) const
- {
- ec = boost::asio::error::operation_not_supported;
- return false;
- }
- // Determine the number of bytes available for reading.
- std::size_t available(const implementation_type&,
- boost::system::error_code& ec) const
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Place the socket into the state where it will listen for new connections.
- boost::system::error_code listen(implementation_type&,
- int, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Perform an IO control command on the socket.
- template <typename IO_Control_Command>
- boost::system::error_code io_control(implementation_type&,
- IO_Control_Command&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Gets the non-blocking mode of the socket.
- bool non_blocking(const implementation_type&) const
- {
- return false;
- }
- // Sets the non-blocking mode of the socket.
- boost::system::error_code non_blocking(implementation_type&,
- bool, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Gets the non-blocking mode of the native socket implementation.
- bool native_non_blocking(const implementation_type&) const
- {
- return false;
- }
- // Sets the non-blocking mode of the native socket implementation.
- boost::system::error_code native_non_blocking(implementation_type&,
- bool, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Disable sends or receives on the socket.
- boost::system::error_code shutdown(implementation_type&,
- socket_base::shutdown_type, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Bind the socket to the specified local endpoint.
- boost::system::error_code bind(implementation_type&,
- const endpoint_type&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Set a socket option.
- template <typename Option>
- boost::system::error_code set_option(implementation_type&,
- const Option&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Set a socket option.
- template <typename Option>
- boost::system::error_code get_option(const implementation_type&,
- Option&, boost::system::error_code& ec) const
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Get the local endpoint.
- endpoint_type local_endpoint(const implementation_type&,
- boost::system::error_code& ec) const
- {
- ec = boost::asio::error::operation_not_supported;
- return endpoint_type();
- }
- // Get the remote endpoint.
- endpoint_type remote_endpoint(const implementation_type&,
- boost::system::error_code& ec) const
- {
- ec = boost::asio::error::operation_not_supported;
- return endpoint_type();
- }
- // Send the given data to the peer.
- template <typename ConstBufferSequence>
- std::size_t send(implementation_type&, const ConstBufferSequence&,
- socket_base::message_flags, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Wait until data can be sent without blocking.
- std::size_t send(implementation_type&, const null_buffers&,
- socket_base::message_flags, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Start an asynchronous send. The data being sent must be valid for the
- // lifetime of the asynchronous operation.
- template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
- void async_send(implementation_type&, const ConstBufferSequence&,
- socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Start an asynchronous wait until data can be sent without blocking.
- template <typename Handler, typename IoExecutor>
- void async_send(implementation_type&, const null_buffers&,
- socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Receive some data from the peer. Returns the number of bytes received.
- template <typename MutableBufferSequence>
- std::size_t receive(implementation_type&, const MutableBufferSequence&,
- socket_base::message_flags, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Wait until data can be received without blocking.
- std::size_t receive(implementation_type&, const null_buffers&,
- socket_base::message_flags, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Start an asynchronous receive. The buffer for the data being received
- // must be valid for the lifetime of the asynchronous operation.
- template <typename MutableBufferSequence,
- typename Handler, typename IoExecutor>
- void async_receive(implementation_type&, const MutableBufferSequence&,
- socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Wait until data can be received without blocking.
- template <typename Handler, typename IoExecutor>
- void async_receive(implementation_type&, const null_buffers&,
- socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Receive some data with associated flags. Returns the number of bytes
- // received.
- template <typename MutableBufferSequence>
- std::size_t receive_with_flags(implementation_type&,
- const MutableBufferSequence&, socket_base::message_flags,
- socket_base::message_flags&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Wait until data can be received without blocking.
- std::size_t receive_with_flags(implementation_type&,
- const null_buffers&, socket_base::message_flags,
- socket_base::message_flags&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Start an asynchronous receive. The buffer for the data being received
- // must be valid for the lifetime of the asynchronous operation.
- template <typename MutableBufferSequence,
- typename Handler, typename IoExecutor>
- void async_receive_with_flags(implementation_type&,
- const MutableBufferSequence&, socket_base::message_flags,
- socket_base::message_flags&, Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Wait until data can be received without blocking.
- template <typename Handler, typename IoExecutor>
- void async_receive_with_flags(implementation_type&, const null_buffers&,
- socket_base::message_flags, socket_base::message_flags&,
- Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Send a datagram to the specified endpoint. Returns the number of bytes
- // sent.
- template <typename ConstBufferSequence>
- std::size_t send_to(implementation_type&, const ConstBufferSequence&,
- const endpoint_type&, socket_base::message_flags,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Wait until data can be sent without blocking.
- std::size_t send_to(implementation_type&, const null_buffers&,
- const endpoint_type&, socket_base::message_flags,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Start an asynchronous send. The data being sent must be valid for the
- // lifetime of the asynchronous operation.
- template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
- void async_send_to(implementation_type&, const ConstBufferSequence&,
- const endpoint_type&, socket_base::message_flags,
- Handler& handler)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Start an asynchronous wait until data can be sent without blocking.
- template <typename Handler, typename IoExecutor>
- void async_send_to(implementation_type&, const null_buffers&,
- const endpoint_type&, socket_base::message_flags,
- Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Receive a datagram with the endpoint of the sender. Returns the number of
- // bytes received.
- template <typename MutableBufferSequence>
- std::size_t receive_from(implementation_type&, const MutableBufferSequence&,
- endpoint_type&, socket_base::message_flags,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Wait until data can be received without blocking.
- std::size_t receive_from(implementation_type&, const null_buffers&,
- endpoint_type&, socket_base::message_flags,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return 0;
- }
- // Start an asynchronous receive. The buffer for the data being received and
- // the sender_endpoint object must both be valid for the lifetime of the
- // asynchronous operation.
- template <typename MutableBufferSequence,
- typename Handler, typename IoExecutor>
- void async_receive_from(implementation_type&, const MutableBufferSequence&,
- endpoint_type&, socket_base::message_flags, Handler& handler,
- const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Wait until data can be received without blocking.
- template <typename Handler, typename IoExecutor>
- void async_receive_from(implementation_type&, const null_buffers&,
- endpoint_type&, socket_base::message_flags, Handler& handler,
- const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- const std::size_t bytes_transferred = 0;
- boost::asio::post(io_ex, detail::bind_handler(
- handler, ec, bytes_transferred));
- }
- // Accept a new connection.
- template <typename Socket>
- boost::system::error_code accept(implementation_type&,
- Socket&, endpoint_type*, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Start an asynchronous accept. The peer and peer_endpoint objects
- // must be valid until the accept's handler is invoked.
- template <typename Socket, typename Handler, typename IoExecutor>
- void async_accept(implementation_type&, Socket&, endpoint_type*,
- Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- boost::asio::post(io_ex, detail::bind_handler(handler, ec));
- }
- // Connect the socket to the specified endpoint.
- boost::system::error_code connect(implementation_type&,
- const endpoint_type&, boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- return ec;
- }
- // Start an asynchronous connect.
- template <typename Handler, typename IoExecutor>
- void async_connect(implementation_type&, const endpoint_type&,
- Handler& handler, const IoExecutor& io_ex)
- {
- boost::system::error_code ec = boost::asio::error::operation_not_supported;
- boost::asio::post(io_ex, detail::bind_handler(handler, ec));
- }
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
- #endif // BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
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