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

   1 //
   2 // detail/null_socket_service.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2017 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/io_context.hpp>
  25 #include <boost/asio/socket_base.hpp>
  26 #include <boost/asio/detail/bind_handler.hpp>
  27
  28 #include <boost/asio/detail/push_options.hpp>
  29
  30 namespace boost {
  31 namespace asio {
  32 namespace detail {
  33
  34 template <typename Protocol>
  35 class null_socket_service :
  36   public service_base<null_socket_service<Protocol> >
  37 {
  38 public:
  39   // The protocol type.
  40   typedef Protocol protocol_type;
  41
  42   // The endpoint type.
  43   typedef typename Protocol::endpoint endpoint_type;
  44
  45   // The native type of a socket.
  46   typedef int native_handle_type;
  47
  48   // The implementation type of the socket.
  49   struct implementation_type
  50   {
  51   };
  52
  53   // Constructor.
  54   null_socket_service(boost::asio::io_context& io_context)
  55     : service_base<null_socket_service<Protocol> >(io_context),
  56       io_context_(io_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>
 277   void async_send(implementation_type&, const ConstBufferSequence&,
 278       socket_base::message_flags, Handler& handler)
 279   {
 280     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 281     const std::size_t bytes_transferred = 0;
 282     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 283   }
 284
 285   // Start an asynchronous wait until data can be sent without blocking.
 286   template <typename Handler>
 287   void async_send(implementation_type&, const null_buffers&,
 288       socket_base::message_flags, Handler& handler)
 289   {
 290     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 291     const std::size_t bytes_transferred = 0;
 292     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 293   }
 294
 295   // Receive some data from the peer. Returns the number of bytes received.
 296   template <typename MutableBufferSequence>
 297   std::size_t receive(implementation_type&, const MutableBufferSequence&,
 298       socket_base::message_flags, boost::system::error_code& ec)
 299   {
 300     ec = boost::asio::error::operation_not_supported;
 301     return 0;
 302   }
 303
 304   // Wait until data can be received without blocking.
 305   std::size_t receive(implementation_type&, const null_buffers&,
 306       socket_base::message_flags, boost::system::error_code& ec)
 307   {
 308     ec = boost::asio::error::operation_not_supported;
 309     return 0;
 310   }
 311
 312   // Start an asynchronous receive. The buffer for the data being received
 313   // must be valid for the lifetime of the asynchronous operation.
 314   template <typename MutableBufferSequence, typename Handler>
 315   void async_receive(implementation_type&, const MutableBufferSequence&,
 316       socket_base::message_flags, Handler& handler)
 317   {
 318     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 319     const std::size_t bytes_transferred = 0;
 320     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 321   }
 322
 323   // Wait until data can be received without blocking.
 324   template <typename Handler>
 325   void async_receive(implementation_type&, const null_buffers&,
 326       socket_base::message_flags, Handler& handler)
 327   {
 328     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 329     const std::size_t bytes_transferred = 0;
 330     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 331   }
 332
 333   // Receive some data with associated flags. Returns the number of bytes
 334   // received.
 335   template <typename MutableBufferSequence>
 336   std::size_t receive_with_flags(implementation_type&,
 337       const MutableBufferSequence&, socket_base::message_flags,
 338       socket_base::message_flags&, boost::system::error_code& ec)
 339   {
 340     ec = boost::asio::error::operation_not_supported;
 341     return 0;
 342   }
 343
 344   // Wait until data can be received without blocking.
 345   std::size_t receive_with_flags(implementation_type&,
 346       const null_buffers&, socket_base::message_flags,
 347       socket_base::message_flags&, boost::system::error_code& ec)
 348   {
 349     ec = boost::asio::error::operation_not_supported;
 350     return 0;
 351   }
 352
 353   // Start an asynchronous receive. The buffer for the data being received
 354   // must be valid for the lifetime of the asynchronous operation.
 355   template <typename MutableBufferSequence, typename Handler>
 356   void async_receive_with_flags(implementation_type&,
 357       const MutableBufferSequence&, socket_base::message_flags,
 358       socket_base::message_flags&, Handler& handler)
 359   {
 360     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 361     const std::size_t bytes_transferred = 0;
 362     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 363   }
 364
 365   // Wait until data can be received without blocking.
 366   template <typename Handler>
 367   void async_receive_with_flags(implementation_type&,
 368       const null_buffers&, socket_base::message_flags,
 369       socket_base::message_flags&, Handler& handler)
 370   {
 371     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 372     const std::size_t bytes_transferred = 0;
 373     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 374   }
 375
 376   // Send a datagram to the specified endpoint. Returns the number of bytes
 377   // sent.
 378   template <typename ConstBufferSequence>
 379   std::size_t send_to(implementation_type&, const ConstBufferSequence&,
 380       const endpoint_type&, socket_base::message_flags,
 381       boost::system::error_code& ec)
 382   {
 383     ec = boost::asio::error::operation_not_supported;
 384     return 0;
 385   }
 386
 387   // Wait until data can be sent without blocking.
 388   std::size_t send_to(implementation_type&, const null_buffers&,
 389       const endpoint_type&, socket_base::message_flags,
 390       boost::system::error_code& ec)
 391   {
 392     ec = boost::asio::error::operation_not_supported;
 393     return 0;
 394   }
 395
 396   // Start an asynchronous send. The data being sent must be valid for the
 397   // lifetime of the asynchronous operation.
 398   template <typename ConstBufferSequence, typename Handler>
 399   void async_send_to(implementation_type&, const ConstBufferSequence&,
 400       const endpoint_type&, socket_base::message_flags,
 401       Handler& handler)
 402   {
 403     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 404     const std::size_t bytes_transferred = 0;
 405     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 406   }
 407
 408   // Start an asynchronous wait until data can be sent without blocking.
 409   template <typename Handler>
 410   void async_send_to(implementation_type&, const null_buffers&,
 411       const endpoint_type&, socket_base::message_flags, Handler& handler)
 412   {
 413     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 414     const std::size_t bytes_transferred = 0;
 415     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 416   }
 417
 418   // Receive a datagram with the endpoint of the sender. Returns the number of
 419   // bytes received.
 420   template <typename MutableBufferSequence>
 421   std::size_t receive_from(implementation_type&, const MutableBufferSequence&,
 422       endpoint_type&, socket_base::message_flags,
 423       boost::system::error_code& ec)
 424   {
 425     ec = boost::asio::error::operation_not_supported;
 426     return 0;
 427   }
 428
 429   // Wait until data can be received without blocking.
 430   std::size_t receive_from(implementation_type&, const null_buffers&,
 431       endpoint_type&, socket_base::message_flags,
 432       boost::system::error_code& ec)
 433   {
 434     ec = boost::asio::error::operation_not_supported;
 435     return 0;
 436   }
 437
 438   // Start an asynchronous receive. The buffer for the data being received and
 439   // the sender_endpoint object must both be valid for the lifetime of the
 440   // asynchronous operation.
 441   template <typename MutableBufferSequence, typename Handler>
 442   void async_receive_from(implementation_type&,
 443       const MutableBufferSequence&, endpoint_type&,
 444       socket_base::message_flags, Handler& handler)
 445   {
 446     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 447     const std::size_t bytes_transferred = 0;
 448     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 449   }
 450
 451   // Wait until data can be received without blocking.
 452   template <typename Handler>
 453   void async_receive_from(implementation_type&,
 454       const null_buffers&, endpoint_type&,
 455       socket_base::message_flags, Handler& handler)
 456   {
 457     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 458     const std::size_t bytes_transferred = 0;
 459     io_context_.post(detail::bind_handler(handler, ec, bytes_transferred));
 460   }
 461
 462   // Accept a new connection.
 463   template <typename Socket>
 464   boost::system::error_code accept(implementation_type&,
 465       Socket&, endpoint_type*, boost::system::error_code& ec)
 466   {
 467     ec = boost::asio::error::operation_not_supported;
 468     return ec;
 469   }
 470
 471   // Start an asynchronous accept. The peer and peer_endpoint objects
 472   // must be valid until the accept's handler is invoked.
 473   template <typename Socket, typename Handler>
 474   void async_accept(implementation_type&, Socket&,
 475       endpoint_type*, Handler& handler)
 476   {
 477     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 478     io_context_.post(detail::bind_handler(handler, ec));
 479   }
 480
 481   // Connect the socket to the specified endpoint.
 482   boost::system::error_code connect(implementation_type&,
 483       const endpoint_type&, boost::system::error_code& ec)
 484   {
 485     ec = boost::asio::error::operation_not_supported;
 486     return ec;
 487   }
 488
 489   // Start an asynchronous connect.
 490   template <typename Handler>
 491   void async_connect(implementation_type&,
 492       const endpoint_type&, Handler& handler)
 493   {
 494     boost::system::error_code ec = boost::asio::error::operation_not_supported;
 495     io_context_.post(detail::bind_handler(handler, ec));
 496   }
 497
 498 private:
 499   boost::asio::io_context& io_context_;
 500 };
 501
 502 } // namespace detail
 503 } // namespace asio
 504 } // namespace boost
 505
 506 #include <boost/asio/detail/pop_options.hpp>
 507
 508 #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
 509
 510 #endif // BOOST_ASIO_DETAIL_NULL_SOCKET_SERVICE_HPP