--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/inc/cstuntimeruser.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2005-2007 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:    
+*
+*/
+
+
+
+
+#ifndef C_STUNTIMERUSER_H
+#define C_STUNTIMERUSER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CDeltaTimer;
+
+// CLASS DECLARATION
+/*
+ * This class stores basic timer information needed for using CDeltaTimer.
+ */
+class CSTUNTimerUser : public CBase
+    {
+    public: // Constructor and destructor
+
+        /**
+         * Constructor.
+         *
+         * @param aDeltaTimer CDeltaTimer to provide timer services
+         * @return value New CSTUNTimerUser object. Ownership is transferred.
+         */
+         CSTUNTimerUser( CDeltaTimer& aDeltaTimer );
+
+        /**     
+         * Frees the resources of CSTUNTimerUser. If a timer is currently
+         * running, it is stopped.
+         */
+        ~CSTUNTimerUser();
+
+    public: // New pure virtual functions
+
+        /**
+        * Handles the timer expiration event.
+        */
+        virtual void TimerExpiredL() = 0;
+
+        /**
+        * Called if leave occurred from TimerExpiredL.
+        * @pre aError != KErrNone
+        * @param aError Leave value from TimerExpiredL
+        */
+        virtual void LeaveFromTimerExpired( TInt aError ) = 0;
+
+    protected: // New functions
+
+        /**
+        * Start a timer. Only one timer can be running at a time. 
+        * @param aDuration Timer duration in milliseconds
+        */
+        void StartTimer( TInt aDuration );
+
+        /**
+        * Stop the timer.
+        */
+        void StopTimer();
+
+        /**
+        * This function is called by CDeltaTimer when a timer entry has expired.
+        * @param aPtr Parameter that was specified when the timer was started.
+        */
+        static TInt TimerExpired( TAny *aPtr );
+        
+        /**
+        * Obtain the CDeltaTimer instance.
+        * @return CDeltaTimer
+        */
+        CDeltaTimer& DeltaTimer();
+        
+        /**
+         * Obtain information is timer running or not
+         *
+         * @since   s60 3.2
+         * @return  ETrue if running, else EFalse
+         */
+        TBool IsRunning() const;
+
+    private:
+
+        CSTUNTimerUser();
+
+        CSTUNTimerUser( const CSTUNTimerUser& aTimerUser );
+
+    private: // New functions, for internal use
+
+        /**
+        * Converts a duration of milliseconds to microseconds and returns a
+        * TTimeIntervalMicroSeconds32 object, which can be passed to
+        * CDeltaTimer.
+        * @pre aMilliseconds <= KMaxTInt32 / 1000
+        * @param aMilliseconds Duration in milliseconds
+        * @return TTimeIntervalMicroSeconds32 Duration converted to microseconds
+        * @panic KErrOverflow In debug build, panics if aMilliseconds has too
+        *                      large value. In release build, the duration is
+        *                      decreased to a maximum value, if it is too large.
+        */
+        TTimeIntervalMicroSeconds32 TimerDuration( TInt aMilliseconds );
+
+    protected: // Data
+        
+        CDeltaTimer& iDeltaTimer;
+    
+    private: // Data
+
+        //Identifies the running timer so that it can be canceled.
+        TDeltaTimerEntry iTimerEntry;
+        
+        //ETrue if a timer is currently running
+        TBool iIsRunning;
+
+    private: // For testing purposes
+
+#ifdef TEST_EUNIT
+        friend class CSTUNClientImplementationTest;
+        friend class CSTUNSharedSecretTest;
+        friend class CSTUNBindingImplementationTest;
+        friend class CSTUNTransactionTest;
+#endif
+    };
+
+#endif // end of C_STUNTIMERUSER_H
+
+// End of File