--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tcpiputils/dhcp/src/ExpireTimer.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,126 @@
+// 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:
+// Expire Timer class definition file
+// 
+//
+
+/**
+ @file ExpireTimer.cpp
+ @internalTechnology
+*/
+
+#include "ExpireTimer.h"
+
+CExpireTimer* CExpireTimer::NewL()
+/**
+  * Create an instance of the timer
+  *
+  * @internalTechnology
+  */
+	{
+	CExpireTimer* timer = new(ELeave)CExpireTimer();
+	CleanupStack::PushL(timer);
+	timer->ConstructL();
+	CleanupStack::Pop(timer);
+	return timer;
+	}
+
+void CExpireTimer::After(TTimeIntervalMicroSeconds32 aSeconds,MExpireTimer& aExpireTimer)
+	{
+	ASSERT(!IsAdded());
+	CActiveScheduler::Add(this);
+	iExpireTimer = &aExpireTimer;
+	iExpirationTime.HomeTime();
+ 	iExpirationTime += aSeconds;
+   	CTimer::After( aSeconds );
+   	}
+
+void CExpireTimer::After(TTimeIntervalSeconds aSeconds, MExpireTimer& aExpireTimer)
+	{
+	ASSERT(!IsAdded());
+	CActiveScheduler::Add(this);
+	iExpireTimer = &aExpireTimer;
+	TTime time;
+	time.HomeTime();
+	time+=aSeconds;
+	iExpirationTime = time;
+	CTimer::At(time);
+	}
+
+void CExpireTimer::At(TTime aTime, MExpireTimer& aExpireTimer)
+	{
+	ASSERT(!IsAdded());
+	CActiveScheduler::Add(this);
+	iExpireTimer = &aExpireTimer;
+	TTime now;
+	now.HomeTime();
+	if (now > aTime)
+		aTime = now + static_cast<TTimeIntervalSeconds>(5);
+	iExpirationTime = aTime;
+	CTimer::At(aTime);
+	}
+
+
+void CExpireTimer::Cancel()
+/**
+  * Cancel the timer
+  *
+  * @internalTechnology
+  */
+	{
+	CTimer::DoCancel();
+	if (IsAdded())
+		{
+		Deque();
+		}
+	}
+
+CExpireTimer::~CExpireTimer()
+/**
+  * Timer destructor
+  *
+  * @internalTechnology
+  */
+	{
+	Cancel();
+	}
+
+void CExpireTimer::RunL()
+/**
+  * RunL function alerts the notification
+  * object by calling its TimerExpired interface function
+  *
+  * @internalTechnology
+  */
+	{
+	ASSERT(iExpireTimer);
+	if (iStatus == KErrAbort)
+ 		{
+ 		//Deal with system time change.	
+ 		TTime now;
+ 		now.HomeTime();
+ 
+ 		//If its not going to expire in the next five seconds reset it
+ 		if (now < iExpirationTime + static_cast<TTimeIntervalSeconds>(5))
+ 			{
+ 			CTimer::At(iExpirationTime);
+ 			return;
+ 			}
+ 		}
+
+	Deque();
+	iExpireTimer->TimerExpired();
+	}
+
+