--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommscontroller/mmccsubcontroller/inc/mccrtpkeepalivecontainer.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,203 @@
+/*
+* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:    RTP Keepalive mechanism
+*
+*/
+
+
+
+
+#ifndef MCCRTPKEEPALIVECONTAINER_H
+#define MCCRTPKEEPALIVECONTAINER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "rtpdef.h"
+#include "rtpapi.h"
+#include "rtpheader.h"
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+    
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class MAsyncEventHandler;
+class MMccResources;
+class MMccRtpInterface;
+class CMccRtpKeepalive;
+class TMccCodecInfo;
+class CMccRtpMediaClock;
+
+// CLASS DECLARATION
+
+class MMccRtpKeepalive
+    {
+    public:
+        
+        /**
+         * Start sending keepalive packets.
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @param aCodecInfo codec info instance
+         * @param aRtpMediaClock rtp media clock instance
+         * @return void
+         */  
+        virtual void StartKeepaliveL( MMccRtpInterface& aUser, 
+                                      TMccCodecInfo& aCodecInfo, 
+                                      CMccRtpMediaClock& aRtpMediaClock ) = 0;
+                                      
+        /**
+         * Stop sending keepalive packets.
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @return One of the standard system-wide error codes.
+         */ 
+        virtual TInt StopKeepalive( MMccRtpInterface& aUser, 
+                                    const TMccCodecInfo& aCodecInfo ) = 0;
+        
+        /**
+         * Reset keepalive timer.
+         *
+         * @since Series 60 3.2
+         * @param None
+         * @return void
+         */  
+        virtual void ResetKeepaliveTimer() = 0;
+        
+        /**
+         * Update session keepalive parameters
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @param aCodecInfo codec info instance
+         * @return void
+         */
+        virtual void UpdateParamsL( MMccRtpInterface& aUser, 
+                                    const TMccCodecInfo& aCodecInfo ) = 0;
+    };
+
+NONSHARABLE_CLASS( CMccRtpKeepaliveContainer ) : public CBase, 
+    public MMccRtpKeepalive
+    {
+    public:
+    
+        /**
+        * Two-phased constructor.
+        */
+        static CMccRtpKeepaliveContainer* NewL( 
+                                       MAsyncEventHandler& aEventHandler,
+                                       CRtpAPI& aRtpAPI,
+                                       TRtpId aRtpSessionId );
+        
+        /**
+        * Destructor
+        */
+        virtual ~CMccRtpKeepaliveContainer();
+
+    public: // From MMccRtpKeepalive
+        
+        /**
+         * Start sending keepalive packets.
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @param aCodecInfo codec info instance
+         * @param aRtpMediaClock rtp media clock instance
+         * @return void
+         */  
+        virtual void StartKeepaliveL( MMccRtpInterface& aUser, 
+                                      TMccCodecInfo& aCodecInfo,
+                                      CMccRtpMediaClock& aRtpMediaClock );
+        
+        /**
+         * Stop sending keepalive packets.
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @return One of the standard system-wide error codes.
+         */ 
+        virtual TInt StopKeepalive( MMccRtpInterface& aUser, 
+                                    const TMccCodecInfo& aCodecInfo );
+        /**
+         * Reset keepalive timer.
+         *
+         * @since Series 60 3.2
+         * @return void
+         */  
+        virtual void ResetKeepaliveTimer();
+        
+        /**
+         * Update session keepalive parameters
+         *
+         * @since Series 60 3.2
+         * @param aUser rtp interface instance
+         * @param aConfig Configuration
+         * @return void
+         */
+        virtual void UpdateParamsL( MMccRtpInterface& aUser, 
+                                    const TMccCodecInfo& aConfig );                            
+    
+    public: // Functions
+       
+        void StopAll();
+        
+        TInt RemoteAddressSet();
+    
+    private:
+    
+        CMccRtpKeepalive* FindKeepaliveHandler( TUint8 aKeepAlivePT,
+            MMccRtpInterface& aUser );  
+       
+    private: // Constructors
+    
+        CMccRtpKeepaliveContainer( MAsyncEventHandler& aEventHandler,
+                                   CRtpAPI& aRtpAPI,
+                                   TRtpId aRtpSessionId );
+        
+    
+    private: // Data
+    
+        MAsyncEventHandler& iEventHandler;
+
+        CRtpAPI& iRtpAPI;
+        
+        TRtpId iRtpSessionId;
+        
+        RPointerArray<CMccRtpKeepalive> iKeepaliveHandlers;
+        
+        TBool iStopped;
+        
+        /**
+         * Boolen indicating if rtp sink exists.
+         */
+        TBool iRtpSinkExist;
+
+        TBool iRemoteAddressSet;
+        
+        #ifdef TEST_EUNIT
+        friend class UT_CMccRtpKeepalive;
+        friend class UT_CMccRtpDataSink;
+        friend class UT_CMccRtpDataSource;
+        #endif
+    };
+    
+#endif      // MCCRTPKEEPALIVECONTAINER_H
+
+// End of File