remoting/jingle_glue/xmpp_signal_strategy.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // The XmppSignalStrategy encapsulates all the logic to perform the signaling
   6 // STUN/ICE for jingle via a direct XMPP connection.
   7 //
   8 // This class is not threadsafe.
   9
  10 #ifndef REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_
  11 #define REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_
  12
  13 #include "remoting/jingle_glue/signal_strategy.h"
  14
  15 #include "base/compiler_specific.h"
  16 #include "third_party/libjingle/source/talk/base/sigslot.h"
  17 #include "third_party/libjingle/source/talk/xmpp/xmppclient.h"
  18
  19 namespace remoting {
  20
  21 class JingleThread;
  22
  23 class XmppSignalStrategy : public SignalStrategy,
  24                            public buzz::XmppStanzaHandler,
  25                            public sigslot::has_slots<> {
  26  public:
  27   XmppSignalStrategy(JingleThread* thread,
  28                      const std::string& username,
  29                      const std::string& auth_token,
  30                      const std::string& auth_token_service);
  31   virtual ~XmppSignalStrategy();
  32
  33   // SignalStrategy interface.
  34   virtual void Init(StatusObserver* observer) OVERRIDE;
  35   virtual void Close() OVERRIDE;
  36   virtual void SetListener(Listener* listener) OVERRIDE;
  37   virtual void SendStanza(buzz::XmlElement* stanza) OVERRIDE;
  38   virtual std::string GetNextId() OVERRIDE;
  39   virtual IqRequest* CreateIqRequest() OVERRIDE;
  40
  41   // buzz::XmppStanzaHandler interface.
  42   virtual bool HandleStanza(const buzz::XmlElement* stanza) OVERRIDE;
  43
  44  private:
  45   void OnConnectionStateChanged(buzz::XmppEngine::State state);
  46   static buzz::PreXmppAuth* CreatePreXmppAuth(
  47       const buzz::XmppClientSettings& settings);
  48
  49   JingleThread* thread_;
  50
  51   Listener* listener_;
  52
  53   std::string username_;
  54   std::string auth_token_;
  55   std::string auth_token_service_;
  56   buzz::XmppClient* xmpp_client_;
  57   StatusObserver* observer_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(XmppSignalStrategy);
  60 };
  61
  62 }  // namespace remoting
  63
  64 #endif  // REMOTING_JINGLE_GLUE_XMPP_SIGNAL_STRATEGY_H_