1/*
2 * libjingle
3 * Copyright 2004--2005, 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 _XMPPSOCKET_H_
29#define _XMPPSOCKET_H_
30
31#include "talk/base/asyncsocket.h"
32#include "talk/base/bytebuffer.h"
33#include "talk/base/sigslot.h"
34#include "talk/xmpp/asyncsocket.h"
35
36// The below define selects the SSLStreamAdapter implementation for
37// SSL, as opposed to the SSLAdapter socket adapter.
38// #define USE_SSLSTREAM
39
40namespace talk_base {
41  class StreamInterface;
42};
43extern talk_base::AsyncSocket* cricket_socket_;
44
45class XmppSocket : public buzz::AsyncSocket, public sigslot::has_slots<> {
46public:
47  XmppSocket(bool tls);
48  ~XmppSocket();
49
50  virtual buzz::AsyncSocket::State state();
51  virtual buzz::AsyncSocket::Error error();
52  virtual int GetError();
53
54  virtual bool Connect(const talk_base::SocketAddress& addr);
55  virtual bool Read(char * data, size_t len, size_t* len_read);
56  virtual bool Write(const char * data, size_t len);
57  virtual bool Close();
58  virtual bool StartTls(const std::string & domainname);
59
60  sigslot::signal1<int> SignalCloseEvent;
61
62private:
63#ifndef USE_SSLSTREAM
64  void OnReadEvent(talk_base::AsyncSocket * socket);
65  void OnWriteEvent(talk_base::AsyncSocket * socket);
66  void OnConnectEvent(talk_base::AsyncSocket * socket);
67  void OnCloseEvent(talk_base::AsyncSocket * socket, int error);
68#else  // USE_SSLSTREAM
69  void OnEvent(talk_base::StreamInterface* stream, int events, int err);
70#endif  // USE_SSLSTREAM
71
72  talk_base::AsyncSocket * cricket_socket_;
73#ifdef USE_SSLSTREAM
74  talk_base::StreamInterface *stream_;
75#endif  // USE_SSLSTREAM
76  buzz::AsyncSocket::State state_;
77  talk_base::ByteBuffer buffer_;
78  bool tls_;
79};
80
81#endif // _XMPPSOCKET_H_
82