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      1 /*
      2  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
     12 #define WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
     13 
     14 #include "webrtc/libjingle/xmpp/asyncsocket.h"
     15 #include "webrtc/libjingle/xmpp/xmppengine.h"
     16 #include "webrtc/base/asyncsocket.h"
     17 #include "webrtc/base/bytebuffer.h"
     18 #include "webrtc/base/sigslot.h"
     19 
     20 // The below define selects the SSLStreamAdapter implementation for
     21 // SSL, as opposed to the SSLAdapter socket adapter.
     22 // #define USE_SSLSTREAM
     23 
     24 namespace rtc {
     25   class StreamInterface;
     26   class SocketAddress;
     27 };
     28 extern rtc::AsyncSocket* cricket_socket_;
     29 
     30 namespace buzz {
     31 
     32 class XmppSocket : public buzz::AsyncSocket, public sigslot::has_slots<> {
     33 public:
     34   XmppSocket(buzz::TlsOptions tls);
     35   ~XmppSocket();
     36 
     37   virtual buzz::AsyncSocket::State state();
     38   virtual buzz::AsyncSocket::Error error();
     39   virtual int GetError();
     40 
     41   virtual bool Connect(const rtc::SocketAddress& addr);
     42   virtual bool Read(char * data, size_t len, size_t* len_read);
     43   virtual bool Write(const char * data, size_t len);
     44   virtual bool Close();
     45   virtual bool StartTls(const std::string & domainname);
     46 
     47   sigslot::signal1<int> SignalCloseEvent;
     48 
     49 private:
     50   void CreateCricketSocket(int family);
     51 #ifndef USE_SSLSTREAM
     52   void OnReadEvent(rtc::AsyncSocket * socket);
     53   void OnWriteEvent(rtc::AsyncSocket * socket);
     54   void OnConnectEvent(rtc::AsyncSocket * socket);
     55   void OnCloseEvent(rtc::AsyncSocket * socket, int error);
     56 #else  // USE_SSLSTREAM
     57   void OnEvent(rtc::StreamInterface* stream, int events, int err);
     58 #endif  // USE_SSLSTREAM
     59 
     60   rtc::AsyncSocket * cricket_socket_;
     61 #ifdef USE_SSLSTREAM
     62   rtc::StreamInterface *stream_;
     63 #endif  // USE_SSLSTREAM
     64   buzz::AsyncSocket::State state_;
     65   rtc::ByteBuffer buffer_;
     66   buzz::TlsOptions tls_;
     67 };
     68 
     69 }  // namespace buzz
     70 
     71 #endif // WEBRTC_LIBJINGLE_XMPP_XMPPSOCKET_H_
     72 
     73