diff -r 000000000000 -r 4e1aa6a622a0 sensorservices/sensorserver/inc/server/sensrvtimer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/sensorserver/inc/server/sensrvtimer.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* Copyright (c) 2006 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:  Generic sensor server timer
+*
+*/
+
+
+#ifndef SENSRVTIMER_H
+#define SENSRVTIMER_H
+
+#include <e32base.h>
+
+const TInt KSensrvTimerMaxTime(0); 
+
+/**
+* A callback interface for handling timer expiration events.
+*
+* @since S60 5.0
+*/
+class MSensrvTimerCallback
+    {
+    public:
+
+        /** 
+        * Called when the timer fires
+        *
+        * @since S60 5.0
+        * @param aTimerId Timer identifier to id which timer fired.
+        */
+        virtual void TimerFired(TInt aTimerId) = 0;
+    };
+
+/**
+*  Timer class for sensor server timing needs.
+*
+* @since S60 5.0
+*/
+class CSensrvTimer : public CTimer
+    {
+    public:  
+    
+        /**
+        * Predefined timer identifiers
+        *
+        * @since S60 5.0
+        */
+        enum TTimerId
+            {
+            ETimerIdSsyCleanupTimer       = 1,
+            ETimerIdBufferPeriodTimer     = 2,
+            ETimerIdTransactionTimer      = 3,
+            ETimerIdSsyInactivityTimer    = 4
+            };
+
+        /**
+        * Two-phased constructor.
+        *
+        * @since S60 5.0
+        * @param aCallback Callback object for informing timer firing
+        * @param aMaxTime Maximum time timer is allowed to run. If KSensrvTimerMaxTime,
+        *        then timer has no maximum time.
+        * @param aTimerId Timer identifier used in timer fired callback.
+        */
+        static CSensrvTimer* NewL(MSensrvTimerCallback& aCallback,
+                                  const TTimeIntervalMicroSeconds32& aMaxTime,
+                                  TInt aTimerId);
+                
+        /**
+        * Destructor.
+        */
+        ~CSensrvTimer();
+        
+        /**
+        * Set the timer.
+        *
+        * @since S60 5.0
+        * @param aInterval timer will expire after this duration.
+        *        If aInterval is zero, then timer is not started unless
+        *        maximum time has been specified, in which case the 
+        *        maximum time is used as duration.
+        */
+        void Set(const TTimeIntervalMicroSeconds32& aInterval);
+        
+        
+    public:  
+
+        // From CTimer
+        void RunL();
+        
+    protected:
+    
+        /**
+        * C++ constructor
+        *
+        * @since S60 5.0
+        * @param aCallback Callback object for informing timer firing
+        * @param aMaxTime Maximum time timer is allowed to run. If KSensrvTimerMaxTime,
+        *        then timer has no maximum time.
+        * @param aTimerId Timer identifier used in timer fired callback.
+        */
+        CSensrvTimer(MSensrvTimerCallback& aCallback, 
+                     const TTimeIntervalMicroSeconds32& aMaxTime,
+                     TInt aTimerId);
+        
+    private: 
+    
+        /**
+        * Callback for timer fired messages. 
+        * Not own.
+        */
+        MSensrvTimerCallback& iCallback;    
+        
+        /**
+        * Maximum timer time.
+        */
+        TTimeIntervalMicroSeconds32 iMaximumTime; 
+        
+        /**
+        * In case multiple timers are needed
+        */        
+        TInt iTimerId;
+    };
+
+
+
+#endif // SENSRVTIMER_H