ceph/src/boost/boost/asio/detail/null_socket_service.hpp

   1 //
   2 // detail/null_socket_service.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
  12 #define BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
  21
  22 #include <boost/asio/buffer.hpp>
  23 #include <boost/asio/error.hpp>
  24 #include <boost/asio/execution_context.hpp>
  25 #include <boost/asio/post.hpp>
  26 #include <boost/asio/socket_base.hpp>
  27 #include <boost/asio/detail/bind_handler.hpp>
  28
  29 #include <boost/asio/detail/push_options.hpp>
  30
  31 namespace boost {
  32 namespace asio {
  33 namespace detail {
  34
  35 template <typename Protocol>
  36 class null_socket_service :
  37   public execution_context_service_base<null_socket_service<Protocol> >
  38 {
  39 public:
  40   // The protocol type.
  41   typedef Protocol protocol_type;
  42
  43   // The endpoint type.
  44   typedef typename Protocol::endpoint endpoint_type;
  45
  46   // The native type of a socket.
  47   typedef int native_handle_type;
  48
  49   // The implementation type of the socket.
  50   struct implementation_type
  51   {
  52   };
  53
  54   // Constructor.
  55   null_socket_service(execution_context& context)
  56     : execution_context_service_base<null_socket_service<Protocol> >(context)
  57   {
  58   }
  59
  60   // Destroy all user-defined handler objects owned by the service.
  61   void shutdown()
  62   {
  63   }
  64
  65   // Construct a new socket implementation.
  66   void construct(implementation_type&)
  67   {
  68   }
  69
  70   // Move-construct a new socket implementation.
  71   void move_construct(implementation_type&, implementation_type&)
  72   {
  73   }
  74
  75   // Move-assign from another socket implementation.
  76   void move_assign(implementation_type&,
  77       null_socket_service&, implementation_type&)
  78   {
  79   }
  80
  81   // Move-construct a new socket implementation from another protocol type.
  82   template <typename Protocol1>
  83   void converting_move_construct(implementation_type&,
  84       null_socket_service<Protocol1>&,
  85       typename null_socket_service<Protocol1>::implementation_type&)
  86   {
  87   }
  88
  89   // Destroy a socket implementation.
  90   void destroy(implementation_type&)
  91   {
  92   }
  93
  94   // Open a new socket implementation.
  95   boost::system::error_code open(implementation_type&,
  96       const protocol_type&, boost::system::error_code& ec)
  97   {
  98     ec = boost::asio::error::operation_not_supported;
  99     return ec;
 100   }
 101
 102   // Assign a native socket to a socket implementation.
 103   boost::system::error_code assign(implementation_type&, const protocol_type&,
 104       const native_handle_type&, boost::system::error_code& ec)
 105   {
 106     ec = boost::asio::error::operation_not_supported;
 107     return ec;
 108   }
 109
 110   // Determine whether the socket is open.
 111   bool is_open(const implementation_type&) const
 112   {
 113     return false;
 114   }
 115
 116   // Destroy a socket implementation.
 117   boost::system::error_code close(implementation_type&,
 118       boost::system::error_code& ec)
 119   {
 120     ec = boost::asio::error::operation_not_supported;
 121     return ec;
 122   }
 123
 124   // Release ownership of the socket.
 125   native_handle_type release(implementation_type&,
 126       boost::system::error_code& ec)
 127   {
 128     ec = boost::asio::error::operation_not_supported;
 129     return 0;
 130   }
 131
 132   // Get the native socket representation.
 133   native_handle_type native_handle(implementation_type&)
 134   {
 135     return 0;
 136   }
 137
 138   // Cancel all operations associated with the socket.
 139   boost::system::error_code cancel(implementation_type&,
 140       boost::system::error_code& ec)
 141   {
 142     ec = boost::asio::error::operation_not_supported;
 143     return ec;
 144   }
 145
 146   // Determine whether the socket is at the out-of-band data mark.
 147   bool at_mark(const implementation_type&,
 148       boost::system::error_code& ec) const
 149   {
 150     ec = boost::asio::error::operation_not_supported;
 151     return false;
 152   }
 153
 154   // Determine the number of bytes available for reading.
 155   std::size_t available(const implementation_type&,
 156       boost::system::error_code& ec) const
 157   {
 158     ec = boost::asio::error::operation_not_supported;
 159     return 0;
 160   }
 161
 162   // Place the socket into the state where it will listen for new connections.
 163   boost::system::error_code listen(implementation_type&,
 164       int, boost::system::error_code& ec)
 165   {
 166     ec = boost::asio::error::operation_not_supported;
 167     return ec;
 168   }
 169
 170   // Perform an IO control command on the socket.
 171   template <typename IO_Control_Command>
 172   boost::system::error_code io_control(implementation_type&,
 173       IO_Control_Command&, boost::system::error_code& ec)
 174   {
 175     ec = boost::asio::error::operation_not_supported;
 176     return ec;
 177   }
 178
 179   // Gets the non-blocking mode of the socket.
 180   bool non_blocking(const implementation_type&) const
 181   {
 182     return false;
 183   }
 184
 185   // Sets the non-blocking mode of the socket.
 186   boost::system::error_code non_blocking(implementation_type&,
 187       bool, boost::system::error_code& ec)
 188   {
 189     ec = boost::asio::error::operation_not_supported;
 190     return ec;
 191   }
 192
 193   // Gets the non-blocking mode of the native socket implementation.
 194   bool native_non_blocking(const implementation_type&) const
 195   {
 196     return false;
 197   }
 198
 199   // Sets the non-blocking mode of the native socket implementation.
 200   boost::system::error_code native_non_blocking(implementation_type&,
 201       bool, boost::system::error_code& ec)
 202   {
 203     ec = boost::asio::error::operation_not_supported;
 204     return ec;
 205   }
 206
 207   // Disable sends or receives on the socket.
 208   boost::system::error_code shutdown(implementation_type&,
 209       socket_base::shutdown_type, boost::system::error_code& ec)
 210   {
 211     ec = boost::asio::error::operation_not_supported;
 212     return ec;
 213   }
 214
 215   // Bind the socket to the specified local endpoint.
 216   boost::system::error_code bind(implementation_type&,
 217       const endpoint_type&, boost::system::error_code& ec)
 218   {
 219     ec = boost::asio::error::operation_not_supported;
 220     return ec;
 221   }
 222
 223   // Set a socket option.
 224   template <typename Option>
 225   boost::system::error_code set_option(implementation_type&,
 226       const Option&, boost::system::error_code& ec)
 227   {
 228     ec = boost::asio::error::operation_not_supported;
 229     return ec;
 230   }
 231
 232   // Set a socket option.
 233   template <typename Option>
 234   boost::system::error_code get_option(const implementation_type&,
 235       Option&, boost::system::error_code& ec) const
 236   {
 237     ec = boost::asio::error::operation_not_supported;
 238     return ec;
 239   }
 240
 241   // Get the local endpoint.
 242   endpoint_type local_endpoint(const implementation_type&,
 243       boost::system::error_code& ec) const
 244   {
 245     ec = boost::asio::error::operation_not_supported;
 246     return endpoint_type();
 247   }
 248
 249   // Get the remote endpoint.
 250   endpoint_type remote_endpoint(const implementation_type&,
 251       boost::system::error_code& ec) const
 252   {
 253     ec = boost::asio::error::operation_not_supported;
 254     return endpoint_type();
 255   }
 256
 257   // Send the given data to the peer.
 258   template <typename ConstBufferSequence>
 259   std::size_t send(implementation_type&, const ConstBufferSequence&,
 260       socket_base::message_flags, boost::system::error_code& ec)
 261   {
 262     ec = boost::asio::error::operation_not_supported;
 263     return 0;
 264   }
 265
 266   // Wait until data can be sent without blocking.
 267   std::size_t send(implementation_type&, const null_buffers&,
 268       socket_base::message_flags, boost::system::error_code& ec)
 269   {
 270     ec = boost::asio::error::operation_not_supported;
 271     return 0;
 272   }
 273
 274   // Start an asynchronous send. The data being sent must be valid for the
 275   // lifetime of the asynchronous operation.
 276   template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 277   void async_send(implementation_type&, const ConstBufferSequence&,
 278       socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
 279   {
 280     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 281     const std::size_t bytes_transferred = 0;
 282     boost::asio::post(io_ex, detail::bind_handler(
 283           handler, ec, bytes_transferred));
 284   }
 285
 286   // Start an asynchronous wait until data can be sent without blocking.
 287   template <typename Handler, typename IoExecutor>
 288   void async_send(implementation_type&, const null_buffers&,
 289       socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
 290   {
 291     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 292     const std::size_t bytes_transferred = 0;
 293     boost::asio::post(io_ex, detail::bind_handler(
 294           handler, ec, bytes_transferred));
 295   }
 296
 297   // Receive some data from the peer. Returns the number of bytes received.
 298   template <typename MutableBufferSequence>
 299   std::size_t receive(implementation_type&, const MutableBufferSequence&,
 300       socket_base::message_flags, boost::system::error_code& ec)
 301   {
 302     ec = boost::asio::error::operation_not_supported;
 303     return 0;
 304   }
 305
 306   // Wait until data can be received without blocking.
 307   std::size_t receive(implementation_type&, const null_buffers&,
 308       socket_base::message_flags, boost::system::error_code& ec)
 309   {
 310     ec = boost::asio::error::operation_not_supported;
 311     return 0;
 312   }
 313
 314   // Start an asynchronous receive. The buffer for the data being received
 315   // must be valid for the lifetime of the asynchronous operation.
 316   template <typename MutableBufferSequence,
 317       typename Handler, typename IoExecutor>
 318   void async_receive(implementation_type&, const MutableBufferSequence&,
 319       socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
 320   {
 321     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 322     const std::size_t bytes_transferred = 0;
 323     boost::asio::post(io_ex, detail::bind_handler(
 324           handler, ec, bytes_transferred));
 325   }
 326
 327   // Wait until data can be received without blocking.
 328   template <typename Handler, typename IoExecutor>
 329   void async_receive(implementation_type&, const null_buffers&,
 330       socket_base::message_flags, Handler& handler, const IoExecutor& io_ex)
 331   {
 332     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 333     const std::size_t bytes_transferred = 0;
 334     boost::asio::post(io_ex, detail::bind_handler(
 335           handler, ec, bytes_transferred));
 336   }
 337
 338   // Receive some data with associated flags. Returns the number of bytes
 339   // received.
 340   template <typename MutableBufferSequence>
 341   std::size_t receive_with_flags(implementation_type&,
 342       const MutableBufferSequence&, socket_base::message_flags,
 343       socket_base::message_flags&, boost::system::error_code& ec)
 344   {
 345     ec = boost::asio::error::operation_not_supported;
 346     return 0;
 347   }
 348
 349   // Wait until data can be received without blocking.
 350   std::size_t receive_with_flags(implementation_type&,
 351       const null_buffers&, socket_base::message_flags,
 352       socket_base::message_flags&, boost::system::error_code& ec)
 353   {
 354     ec = boost::asio::error::operation_not_supported;
 355     return 0;
 356   }
 357
 358   // Start an asynchronous receive. The buffer for the data being received
 359   // must be valid for the lifetime of the asynchronous operation.
 360   template <typename MutableBufferSequence,
 361       typename Handler, typename IoExecutor>
 362   void async_receive_with_flags(implementation_type&,
 363       const MutableBufferSequence&, socket_base::message_flags,
 364       socket_base::message_flags&, Handler& handler, const IoExecutor& io_ex)
 365   {
 366     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 367     const std::size_t bytes_transferred = 0;
 368     boost::asio::post(io_ex, detail::bind_handler(
 369           handler, ec, bytes_transferred));
 370   }
 371
 372   // Wait until data can be received without blocking.
 373   template <typename Handler, typename IoExecutor>
 374   void async_receive_with_flags(implementation_type&, const null_buffers&,
 375       socket_base::message_flags, socket_base::message_flags&,
 376       Handler& handler, const IoExecutor& io_ex)
 377   {
 378     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 379     const std::size_t bytes_transferred = 0;
 380     boost::asio::post(io_ex, detail::bind_handler(
 381           handler, ec, bytes_transferred));
 382   }
 383
 384   // Send a datagram to the specified endpoint. Returns the number of bytes
 385   // sent.
 386   template <typename ConstBufferSequence>
 387   std::size_t send_to(implementation_type&, const ConstBufferSequence&,
 388       const endpoint_type&, socket_base::message_flags,
 389       boost::system::error_code& ec)
 390   {
 391     ec = boost::asio::error::operation_not_supported;
 392     return 0;
 393   }
 394
 395   // Wait until data can be sent without blocking.
 396   std::size_t send_to(implementation_type&, const null_buffers&,
 397       const endpoint_type&, socket_base::message_flags,
 398       boost::system::error_code& ec)
 399   {
 400     ec = boost::asio::error::operation_not_supported;
 401     return 0;
 402   }
 403
 404   // Start an asynchronous send. The data being sent must be valid for the
 405   // lifetime of the asynchronous operation.
 406   template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 407   void async_send_to(implementation_type&, const ConstBufferSequence&,
 408       const endpoint_type&, socket_base::message_flags,
 409       Handler& handler)
 410   {
 411     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 412     const std::size_t bytes_transferred = 0;
 413     boost::asio::post(io_ex, detail::bind_handler(
 414           handler, ec, bytes_transferred));
 415   }
 416
 417   // Start an asynchronous wait until data can be sent without blocking.
 418   template <typename Handler, typename IoExecutor>
 419   void async_send_to(implementation_type&, const null_buffers&,
 420       const endpoint_type&, socket_base::message_flags,
 421       Handler& handler, const IoExecutor& io_ex)
 422   {
 423     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 424     const std::size_t bytes_transferred = 0;
 425     boost::asio::post(io_ex, detail::bind_handler(
 426           handler, ec, bytes_transferred));
 427   }
 428
 429   // Receive a datagram with the endpoint of the sender. Returns the number of
 430   // bytes received.
 431   template <typename MutableBufferSequence>
 432   std::size_t receive_from(implementation_type&, const MutableBufferSequence&,
 433       endpoint_type&, socket_base::message_flags,
 434       boost::system::error_code& ec)
 435   {
 436     ec = boost::asio::error::operation_not_supported;
 437     return 0;
 438   }
 439
 440   // Wait until data can be received without blocking.
 441   std::size_t receive_from(implementation_type&, const null_buffers&,
 442       endpoint_type&, socket_base::message_flags,
 443       boost::system::error_code& ec)
 444   {
 445     ec = boost::asio::error::operation_not_supported;
 446     return 0;
 447   }
 448
 449   // Start an asynchronous receive. The buffer for the data being received and
 450   // the sender_endpoint object must both be valid for the lifetime of the
 451   // asynchronous operation.
 452   template <typename MutableBufferSequence,
 453       typename Handler, typename IoExecutor>
 454   void async_receive_from(implementation_type&, const MutableBufferSequence&,
 455       endpoint_type&, socket_base::message_flags, Handler& handler,
 456       const IoExecutor& io_ex)
 457   {
 458     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 459     const std::size_t bytes_transferred = 0;
 460     boost::asio::post(io_ex, detail::bind_handler(
 461           handler, ec, bytes_transferred));
 462   }
 463
 464   // Wait until data can be received without blocking.
 465   template <typename Handler, typename IoExecutor>
 466   void async_receive_from(implementation_type&, const null_buffers&,
 467       endpoint_type&, socket_base::message_flags, Handler& handler,
 468       const IoExecutor& io_ex)
 469   {
 470     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 471     const std::size_t bytes_transferred = 0;
 472     boost::asio::post(io_ex, detail::bind_handler(
 473           handler, ec, bytes_transferred));
 474   }
 475
 476   // Accept a new connection.
 477   template <typename Socket>
 478   boost::system::error_code accept(implementation_type&,
 479       Socket&, endpoint_type*, boost::system::error_code& ec)
 480   {
 481     ec = boost::asio::error::operation_not_supported;
 482     return ec;
 483   }
 484
 485   // Start an asynchronous accept. The peer and peer_endpoint objects
 486   // must be valid until the accept's handler is invoked.
 487   template <typename Socket, typename Handler, typename IoExecutor>
 488   void async_accept(implementation_type&, Socket&, endpoint_type*,
 489       Handler& handler, const IoExecutor& io_ex)
 490   {
 491     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 492     boost::asio::post(io_ex, detail::bind_handler(handler, ec));
 493   }
 494
 495   // Connect the socket to the specified endpoint.
 496   boost::system::error_code connect(implementation_type&,
 497       const endpoint_type&, boost::system::error_code& ec)
 498   {
 499     ec = boost::asio::error::operation_not_supported;
 500     return ec;
 501   }
 502
 503   // Start an asynchronous connect.
 504   template <typename Handler, typename IoExecutor>
 505   void async_connect(implementation_type&, const endpoint_type&,
 506       Handler& handler, const IoExecutor& io_ex)
 507   {
 508     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 509     boost::asio::post(io_ex, detail::bind_handler(handler, ec));
 510   }
 511 };
 512
 513 } // namespace detail
 514 } // namespace asio
 515 } // namespace boost
 516
 517 #include <boost/asio/detail/pop_options.hpp>
 518
 519 #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
 520
 521 #endif // BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP