diff -r 000000000000 -r 1bce908db942 natfw/natfwstunplugin/src/natfwstunrefreshtimer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunplugin/src/natfwstunrefreshtimer.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2006 - 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:    Starts sending keepalive -requests to STUN Client.
+*
+*/
+
+
+
+
+#include "natfwstunrefreshtimer.h"
+#include "natfwstunpluginlogs.h"
+#include "natfwrefreshobserver.h"
+
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// C++ default constructor
+// ---------------------------------------------------------------------------
+//
+CNATFWStunRefreshTimer::CNATFWStunRefreshTimer( 
+    MNATFWRefreshObserver& aObserver ) : 
+    CActive( EPriorityStandard ), iObserver( aObserver )
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::CNATFWStunRefreshTimer start" )
+    CActiveScheduler::Add( this );
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::CNATFWStunRefreshTimer end" )
+    }
+
+
+// ---------------------------------------------------------------------------
+// Symbian constructor
+// Creates timer service.
+// ---------------------------------------------------------------------------
+//
+void CNATFWStunRefreshTimer::ConstructL()
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::ConstructL start" )
+
+    User::LeaveIfError( iTimer.CreateLocal() );
+
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::ConstructL end" )
+    }
+
+
+// ---------------------------------------------------------------------------
+// Symbian constructor
+// ---------------------------------------------------------------------------
+//
+CNATFWStunRefreshTimer* CNATFWStunRefreshTimer::NewL( 
+    MNATFWRefreshObserver& aObserver )
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::NewL" )
+    CNATFWStunRefreshTimer* self = 
+        CNATFWStunRefreshTimer::NewLC( aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Symbian constructor
+// ---------------------------------------------------------------------------
+//
+CNATFWStunRefreshTimer* CNATFWStunRefreshTimer::NewLC( 
+    MNATFWRefreshObserver& aObserver )
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::NewLC" )
+    CNATFWStunRefreshTimer* self = 
+         new( ELeave ) CNATFWStunRefreshTimer( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CNATFWStunRefreshTimer::~CNATFWStunRefreshTimer()
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::~CNATFWStunRefreshTimer" )
+
+    Cancel();
+    iTimer.Close();
+    }
+
+
+// ---------------------------------------------------------------------------
+// Receives interval as a parameter and waits for that time before activation.
+// ---------------------------------------------------------------------------
+//
+void CNATFWStunRefreshTimer::StartStunRefresh( TUint aInterval )
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::StartStunRefresh" )
+   
+    iInterval = aInterval;
+    
+    if ( iInterval > 0 )
+        {
+        if ( !IsActive() )
+            {
+            iTimer.After( iStatus, aInterval );
+            SetActive();
+            }
+        }
+    else
+        {
+        Cancel();
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Checks refresher state
+// ---------------------------------------------------------------------------
+//
+TBool CNATFWStunRefreshTimer::IsRunning() const
+    {
+    return IsActive();
+    }
+
+
+// ---------------------------------------------------------------------------
+// Sends BindingRefresh request to CNATFWStunConnectionHandler through 
+// MNATFWRefreshObserver after time in iInterval has passed.
+// ---------------------------------------------------------------------------
+//
+void CNATFWStunRefreshTimer::RunL()
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::RunL" )
+    
+    iObserver.BindingRefreshL();
+    StartStunRefresh( iInterval );
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// Cancels the current timer.
+// ---------------------------------------------------------------------------
+//
+void CNATFWStunRefreshTimer::DoCancel()
+    {
+    __STUNPLUGIN( "CNATFWStunRefreshTimer::DoCancel" )
+    iTimer.Cancel();
+    }
+
+// End of file