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//
// detail/null_socket_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2016 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 ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
#define ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(ASIO_WINDOWS_RUNTIME)
#include "asio/buffer.hpp"
#include "asio/error.hpp"
#include "asio/io_context.hpp"
#include "asio/socket_base.hpp"
#include "asio/detail/bind_handler.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
template <typename Protocol>
class null_socket_service :
public 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(asio::io_context& io_context)
: service_base<null_socket_service<Protocol> >(io_context),
io_context_(io_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.
asio::error_code open(implementation_type&,
const protocol_type&, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Assign a native socket to a socket implementation.
asio::error_code assign(implementation_type&, const protocol_type&,
const native_handle_type&, asio::error_code& ec)
{
ec = 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.
asio::error_code close(implementation_type&,
asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Release ownership of the socket.
native_handle_type release(implementation_type&,
asio::error_code& ec)
{
ec = 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.
asio::error_code cancel(implementation_type&,
asio::error_code& ec)
{
ec = 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&,
asio::error_code& ec) const
{
ec = asio::error::operation_not_supported;
return false;
}
// Determine the number of bytes available for reading.
std::size_t available(const implementation_type&,
asio::error_code& ec) const
{
ec = asio::error::operation_not_supported;
return 0;
}
// Place the socket into the state where it will listen for new connections.
asio::error_code listen(implementation_type&,
int, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Perform an IO control command on the socket.
template <typename IO_Control_Command>
asio::error_code io_control(implementation_type&,
IO_Control_Command&, asio::error_code& ec)
{
ec = 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.
asio::error_code non_blocking(implementation_type&,
bool, asio::error_code& ec)
{
ec = 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.
asio::error_code native_non_blocking(implementation_type&,
bool, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Disable sends or receives on the socket.
asio::error_code shutdown(implementation_type&,
socket_base::shutdown_type, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Bind the socket to the specified local endpoint.
asio::error_code bind(implementation_type&,
const endpoint_type&, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Set a socket option.
template <typename Option>
asio::error_code set_option(implementation_type&,
const Option&, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Set a socket option.
template <typename Option>
asio::error_code get_option(const implementation_type&,
Option&, asio::error_code& ec) const
{
ec = asio::error::operation_not_supported;
return ec;
}
// Get the local endpoint.
endpoint_type local_endpoint(const implementation_type&,
asio::error_code& ec) const
{
ec = asio::error::operation_not_supported;
return endpoint_type();
}
// Get the remote endpoint.
endpoint_type remote_endpoint(const implementation_type&,
asio::error_code& ec) const
{
ec = 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, asio::error_code& ec)
{
ec = 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, asio::error_code& ec)
{
ec = 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>
void async_send(implementation_type&, const ConstBufferSequence&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Start an asynchronous wait until data can be sent without blocking.
template <typename Handler>
void async_send(implementation_type&, const null_buffers&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(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, asio::error_code& ec)
{
ec = 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, asio::error_code& ec)
{
ec = 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>
void async_receive(implementation_type&, const MutableBufferSequence&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Wait until data can be received without blocking.
template <typename Handler>
void async_receive(implementation_type&, const null_buffers&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(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&, asio::error_code& ec)
{
ec = 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&, asio::error_code& ec)
{
ec = 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>
void async_receive_with_flags(implementation_type&,
const MutableBufferSequence&, socket_base::message_flags,
socket_base::message_flags&, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Wait until data can be received without blocking.
template <typename Handler>
void async_receive_with_flags(implementation_type&,
const null_buffers&, socket_base::message_flags,
socket_base::message_flags&, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(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,
asio::error_code& ec)
{
ec = 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,
asio::error_code& ec)
{
ec = 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>
void async_send_to(implementation_type&, const ConstBufferSequence&,
const endpoint_type&, socket_base::message_flags,
Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Start an asynchronous wait until data can be sent without blocking.
template <typename Handler>
void async_send_to(implementation_type&, const null_buffers&,
const endpoint_type&, socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(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,
asio::error_code& ec)
{
ec = 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,
asio::error_code& ec)
{
ec = 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>
void async_receive_from(implementation_type&,
const MutableBufferSequence&, endpoint_type&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Wait until data can be received without blocking.
template <typename Handler>
void async_receive_from(implementation_type&,
const null_buffers&, endpoint_type&,
socket_base::message_flags, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
const std::size_t bytes_transferred = 0;
io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
}
// Accept a new connection.
template <typename Socket>
asio::error_code accept(implementation_type&,
Socket&, endpoint_type*, asio::error_code& ec)
{
ec = 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>
void async_accept(implementation_type&, Socket&,
endpoint_type*, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
io_context_.post(detail::bind_handler(handler, ec));
}
// Connect the socket to the specified endpoint.
asio::error_code connect(implementation_type&,
const endpoint_type&, asio::error_code& ec)
{
ec = asio::error::operation_not_supported;
return ec;
}
// Start an asynchronous connect.
template <typename Handler>
void async_connect(implementation_type&,
const endpoint_type&, Handler& handler)
{
asio::error_code ec = asio::error::operation_not_supported;
io_context_.post(detail::bind_handler(handler, ec));
}
private:
asio::io_context& io_context_;
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(ASIO_WINDOWS_RUNTIME)
#endif // ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
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