diff -r 000000000000 -r 1bce908db942 natplugins/natptraversalcontroller/src/cnatbindingcrlfrefresher.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natptraversalcontroller/src/cnatbindingcrlfrefresher.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+
+
+#include "cnatbindingcrlfrefresher.h"
+#include "ccrlfsender.h"
+
+const TInt KMicroSecondsInSecond = 1000000;
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::CNATBindingCRLFRefresher
+// -----------------------------------------------------------------------------
+//
+CNATBindingCRLFRefresher::CNATBindingCRLFRefresher(
+    CDeltaTimer& aDeltaTimer,
+    TInt aRefreshInterval,
+    MNATBindingRefresherObserver& aObserver,
+    CCRLFSender* aSender)
+    : CNATBindingRefresher(aDeltaTimer,aObserver),
+      iRefreshInterval(aRefreshInterval),
+      iSender(aSender)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::~CNATBindingCRLFRefresher
+// -----------------------------------------------------------------------------
+//
+CNATBindingCRLFRefresher::~CNATBindingCRLFRefresher()
+    {
+    delete iSender;
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::PersistentConnectionRequired
+// -----------------------------------------------------------------------------
+//
+TBool CNATBindingCRLFRefresher::PersistentConnectionRequired() const
+    {
+    return iSender->PersistentConnectionRequired();
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::HasSocket
+// -----------------------------------------------------------------------------
+//
+TBool CNATBindingCRLFRefresher::HasSocket(const RSocket& aSocket) const
+    {
+    return iSender->HasSocket(aSocket);
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::HasSocket
+// -----------------------------------------------------------------------------
+//
+TBool CNATBindingCRLFRefresher::HasSocket(const CSecureSocket& aSocket) const
+    {
+    return iSender->HasSocket(aSocket);
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::RefreshInterval
+// -----------------------------------------------------------------------------
+//
+TInt CNATBindingCRLFRefresher::RefreshInterval()
+    {
+    return (iRefreshInterval*KMicroSecondsInSecond);
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::RefreshTimerExpiredL
+// -----------------------------------------------------------------------------
+//
+void CNATBindingCRLFRefresher::RefreshTimerExpiredL()
+    {
+    iSender->Cancel();
+    iSender->Send();
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingCRLFRefresher::CancelRefresh
+// -----------------------------------------------------------------------------
+//
+void CNATBindingCRLFRefresher::CancelRefresh()
+    {
+    iSender->Cancel();
+    }