1/*
2 * libjingle
3 * Copyright 2005--2010, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_BASE_SOCKETSTREAM_H_
29#define TALK_BASE_SOCKETSTREAM_H_
30
31#include "talk/base/asyncsocket.h"
32#include "talk/base/common.h"
33#include "talk/base/stream.h"
34
35namespace talk_base {
36
37///////////////////////////////////////////////////////////////////////////////
38
39class SocketStream : public StreamInterface, public sigslot::has_slots<> {
40 public:
41  explicit SocketStream(AsyncSocket* socket);
42  virtual ~SocketStream();
43
44  void Attach(AsyncSocket* socket);
45  AsyncSocket* Detach();
46
47  AsyncSocket* GetSocket() { return socket_; }
48
49  virtual StreamState GetState() const;
50
51  virtual StreamResult Read(void* buffer, size_t buffer_len,
52                            size_t* read, int* error);
53
54  virtual StreamResult Write(const void* data, size_t data_len,
55                             size_t* written, int* error);
56
57  virtual void Close();
58
59 private:
60  void OnConnectEvent(AsyncSocket* socket);
61  void OnReadEvent(AsyncSocket* socket);
62  void OnWriteEvent(AsyncSocket* socket);
63  void OnCloseEvent(AsyncSocket* socket, int err);
64
65  AsyncSocket* socket_;
66
67  DISALLOW_EVIL_CONSTRUCTORS(SocketStream);
68};
69
70///////////////////////////////////////////////////////////////////////////////
71
72}  // namespace talk_base
73
74#endif  // TALK_BASE_SOCKETSTREAM_H_
75