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 //
 // detail/null_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2003-2023 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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