diff -r 000000000000 -r dfb7c4ff071f serialserver/packetloopbackcsy/src/LoopbackTimer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serialserver/packetloopbackcsy/src/LoopbackTimer.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,73 @@
+// Copyright (c) 2004-2009 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:
+// Rudimentary timer class.
+// 
+//
+
+/**
+ @file
+*/
+
+#include "LoopbackTimer.h"
+
+const TInt KOneMilliSecond=1000;	// < Constant multipler to map integer duration to millisecond timer.
+
+CLoopbackTimer* CLoopbackTimer::NewL(TInt aDuration, MTimerCallBack* aCallback)
+	{
+	return new(ELeave) CLoopbackTimer(aDuration, aCallback);
+	}
+
+CLoopbackTimer::CLoopbackTimer(TInt aDuration, MTimerCallBack* aCallback)
+	: CActive(EPriorityStandard), iDuration(aDuration), iCallback(aCallback)
+	{
+	CActiveScheduler::Add(this);
+	_LIT(KPanic,"CSimTimer::CSimTimer()");
+	__ASSERT_ALWAYS(iTimer.CreateLocal() == KErrNone, User::Panic(KPanic,KErrGeneral));
+	}
+
+CLoopbackTimer::~CLoopbackTimer()
+	{
+	Cancel();
+	iTimer.Close();
+	}
+
+void CLoopbackTimer::Start()
+	{
+	if (!iRunning)
+		{
+		iRunning = ETrue;
+		iTimer.After(iStatus, iDuration*KOneMilliSecond);
+		SetActive();
+		}
+	}
+
+void CLoopbackTimer::DoCancel()
+	{
+	iTimer.Cancel();
+	iRunning = EFalse;
+	}
+
+
+void CLoopbackTimer::RunL()
+	{
+	User::LeaveIfError(KErrNone);	// To prevent LeaveScan warning
+	iRunning = EFalse;
+	iCallback->TimerCallBack();
+	}
+	
+TBool CLoopbackTimer::Running() const
+	{
+	return iRunning;
+	}
+