datagram_socket_service.hpp 9.41 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
//
// datagram_socket_service.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2010 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_DATAGRAM_SOCKET_SERVICE_HPP
#define ASIO_DATAGRAM_SOCKET_SERVICE_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include "asio/detail/push_options.hpp"

#include "asio/detail/push_options.hpp"
#include <cstddef>
#include <boost/config.hpp>
#include "asio/detail/pop_options.hpp"

#include "asio/error.hpp"
#include "asio/io_service.hpp"
#include "asio/detail/service_base.hpp"

#if defined(ASIO_HAS_IOCP)
# include "asio/detail/win_iocp_socket_service.hpp"
#else
# include "asio/detail/reactive_socket_service.hpp"
#endif

namespace asio {

/// Default service implementation for a datagram socket.
template <typename Protocol>
class datagram_socket_service
#if defined(GENERATING_DOCUMENTATION)
  : public asio::io_service::service
#else
  : public asio::detail::service_base<datagram_socket_service<Protocol> >
#endif
{
public:
#if defined(GENERATING_DOCUMENTATION)
  /// The unique service identifier.
  static asio::io_service::id id;
#endif

  /// The protocol type.
  typedef Protocol protocol_type;

  /// The endpoint type.
  typedef typename Protocol::endpoint endpoint_type;

private:
  // The type of the platform-specific implementation.
#if defined(ASIO_HAS_IOCP)
  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
#else
  typedef detail::reactive_socket_service<Protocol> service_impl_type;
#endif

public:
  /// The type of a datagram socket.
#if defined(GENERATING_DOCUMENTATION)
  typedef implementation_defined implementation_type;
#else
  typedef typename service_impl_type::implementation_type implementation_type;
#endif

  /// The native socket type.
#if defined(GENERATING_DOCUMENTATION)
  typedef implementation_defined native_type;
#else
  typedef typename service_impl_type::native_type native_type;
#endif

  /// Construct a new datagram socket service for the specified io_service.
  explicit datagram_socket_service(asio::io_service& io_service)
    : asio::detail::service_base<
        datagram_socket_service<Protocol> >(io_service),
      service_impl_(io_service)
  {
  }

  /// Destroy all user-defined handler objects owned by the service.
  void shutdown_service()
  {
    service_impl_.shutdown_service();
  }

  /// Construct a new datagram socket implementation.
  void construct(implementation_type& impl)
  {
    service_impl_.construct(impl);
  }

  /// Destroy a datagram socket implementation.
  void destroy(implementation_type& impl)
  {
    service_impl_.destroy(impl);
  }

  // Open a new datagram socket implementation.
  asio::error_code open(implementation_type& impl,
      const protocol_type& protocol, asio::error_code& ec)
  {
    if (protocol.type() == SOCK_DGRAM)
      service_impl_.open(impl, protocol, ec);
    else
      ec = asio::error::invalid_argument;
    return ec;
  }

  /// Assign an existing native socket to a datagram socket.
  asio::error_code assign(implementation_type& impl,
      const protocol_type& protocol, const native_type& native_socket,
      asio::error_code& ec)
  {
    return service_impl_.assign(impl, protocol, native_socket, ec);
  }

  /// Determine whether the socket is open.
  bool is_open(const implementation_type& impl) const
  {
    return service_impl_.is_open(impl);
  }

  /// Close a datagram socket implementation.
  asio::error_code close(implementation_type& impl,
      asio::error_code& ec)
  {
    return service_impl_.close(impl, ec);
  }

  /// Get the native socket implementation.
  native_type native(implementation_type& impl)
  {
    return service_impl_.native(impl);
  }

  /// Cancel all asynchronous operations associated with the socket.
  asio::error_code cancel(implementation_type& impl,
      asio::error_code& ec)
  {
    return service_impl_.cancel(impl, ec);
  }

  /// Determine whether the socket is at the out-of-band data mark.
  bool at_mark(const implementation_type& impl,
      asio::error_code& ec) const
  {
    return service_impl_.at_mark(impl, ec);
  }

  /// Determine the number of bytes available for reading.
  std::size_t available(const implementation_type& impl,
      asio::error_code& ec) const
  {
    return service_impl_.available(impl, ec);
  }

  // Bind the datagram socket to the specified local endpoint.
  asio::error_code bind(implementation_type& impl,
      const endpoint_type& endpoint, asio::error_code& ec)
  {
    return service_impl_.bind(impl, endpoint, ec);
  }

  /// Connect the datagram socket to the specified endpoint.
  asio::error_code connect(implementation_type& impl,
      const endpoint_type& peer_endpoint, asio::error_code& ec)
  {
    return service_impl_.connect(impl, peer_endpoint, ec);
  }

  /// Start an asynchronous connect.
  template <typename ConnectHandler>
  void async_connect(implementation_type& impl,
      const endpoint_type& peer_endpoint, ConnectHandler handler)
  {
    service_impl_.async_connect(impl, peer_endpoint, handler);
  }

  /// Set a socket option.
  template <typename SettableSocketOption>
  asio::error_code set_option(implementation_type& impl,
      const SettableSocketOption& option, asio::error_code& ec)
  {
    return service_impl_.set_option(impl, option, ec);
  }

  /// Get a socket option.
  template <typename GettableSocketOption>
  asio::error_code get_option(const implementation_type& impl,
      GettableSocketOption& option, asio::error_code& ec) const
  {
    return service_impl_.get_option(impl, option, ec);
  }

  /// Perform an IO control command on the socket.
  template <typename IoControlCommand>
  asio::error_code io_control(implementation_type& impl,
      IoControlCommand& command, asio::error_code& ec)
  {
    return service_impl_.io_control(impl, command, ec);
  }

  /// Get the local endpoint.
  endpoint_type local_endpoint(const implementation_type& impl,
      asio::error_code& ec) const
  {
    return service_impl_.local_endpoint(impl, ec);
  }

  /// Get the remote endpoint.
  endpoint_type remote_endpoint(const implementation_type& impl,
      asio::error_code& ec) const
  {
    return service_impl_.remote_endpoint(impl, ec);
  }

  /// Disable sends or receives on the socket.
  asio::error_code shutdown(implementation_type& impl,
      socket_base::shutdown_type what, asio::error_code& ec)
  {
    return service_impl_.shutdown(impl, what, ec);
  }

  /// Send the given data to the peer.
  template <typename ConstBufferSequence>
  std::size_t send(implementation_type& impl,
      const ConstBufferSequence& buffers,
      socket_base::message_flags flags, asio::error_code& ec)
  {
    return service_impl_.send(impl, buffers, flags, ec);
  }

  /// Start an asynchronous send.
  template <typename ConstBufferSequence, typename WriteHandler>
  void async_send(implementation_type& impl, const ConstBufferSequence& buffers,
      socket_base::message_flags flags, WriteHandler handler)
  {
    service_impl_.async_send(impl, buffers, flags, handler);
  }

  /// Send a datagram to the specified endpoint.
  template <typename ConstBufferSequence>
  std::size_t send_to(implementation_type& impl,
      const ConstBufferSequence& buffers, const endpoint_type& destination,
      socket_base::message_flags flags, asio::error_code& ec)
  {
    return service_impl_.send_to(impl, buffers, destination, flags, ec);
  }

  /// Start an asynchronous send.
  template <typename ConstBufferSequence, typename WriteHandler>
  void async_send_to(implementation_type& impl,
      const ConstBufferSequence& buffers, const endpoint_type& destination,
      socket_base::message_flags flags, WriteHandler handler)
  {
    service_impl_.async_send_to(impl, buffers, destination, flags, handler);
  }

  /// Receive some data from the peer.
  template <typename MutableBufferSequence>
  std::size_t receive(implementation_type& impl,
      const MutableBufferSequence& buffers,
      socket_base::message_flags flags, asio::error_code& ec)
  {
    return service_impl_.receive(impl, buffers, flags, ec);
  }

  /// Start an asynchronous receive.
  template <typename MutableBufferSequence, typename ReadHandler>
  void async_receive(implementation_type& impl,
      const MutableBufferSequence& buffers,
      socket_base::message_flags flags, ReadHandler handler)
  {
    service_impl_.async_receive(impl, buffers, flags, handler);
  }

  /// Receive a datagram with the endpoint of the sender.
  template <typename MutableBufferSequence>
  std::size_t receive_from(implementation_type& impl,
      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
      socket_base::message_flags flags, asio::error_code& ec)
  {
    return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
        ec);
  }

  /// Start an asynchronous receive that will get the endpoint of the sender.
  template <typename MutableBufferSequence, typename ReadHandler>
  void async_receive_from(implementation_type& impl,
      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
      socket_base::message_flags flags, ReadHandler handler)
  {
    service_impl_.async_receive_from(impl, buffers, sender_endpoint, flags,
        handler);
  }

private:
  // The platform-specific implementation.
  service_impl_type service_impl_;
};

} // namespace asio

#include "asio/detail/pop_options.hpp"

#endif // ASIO_DATAGRAM_SOCKET_SERVICE_HPP