--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natptraversalcontroller/src/cnatbindingstunandcrlfrefresher.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,160 @@
+/*
+* 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 "natfwstunbinding.h"
+#include "cnatbindingstunandcrlfrefresher.h"
+#include "cudpcrlfsender.h"
+#include "cnatbinding.h"
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::NewL
+// -----------------------------------------------------------------------------
+//
+CNATBindingSTUNAndCRLFRefresher* CNATBindingSTUNAndCRLFRefresher::NewL(
+    CDeltaTimer& aDeltaTimer,
+    TInt aRefreshInterval,
+    MNATBindingRefresherObserver& aObserver,
+    CNATBinding& aNATBinding,
+    RSocket& aSocket,
+    const TInetAddr& aAddr,
+    MNATTraversalSocketManager& aSocketManager)
+    {
+    CNATBindingSTUNAndCRLFRefresher* self =
+        CNATBindingSTUNAndCRLFRefresher::NewLC(
+            aDeltaTimer,aRefreshInterval,aObserver,aNATBinding,aSocket,
+            aAddr,aSocketManager);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::NewLC
+// -----------------------------------------------------------------------------
+//
+CNATBindingSTUNAndCRLFRefresher* CNATBindingSTUNAndCRLFRefresher::NewLC(
+    CDeltaTimer& aDeltaTimer,
+    TInt aRefreshInterval,
+    MNATBindingRefresherObserver& aObserver,
+    CNATBinding& aNATBinding,
+    RSocket& aSocket,
+    const TInetAddr& aAddr,
+    MNATTraversalSocketManager& aSocketManager)
+    {
+    CNATBindingSTUNAndCRLFRefresher* self =
+        new(ELeave)CNATBindingSTUNAndCRLFRefresher(aDeltaTimer,
+                                                   aRefreshInterval,
+                                                   aObserver,
+                                                   aNATBinding);
+    CleanupStack::PushL(self);
+    self->ConstructL(aSocket,aAddr,aSocketManager);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::CNATBindingSTUNAndCRLFRefresher
+// -----------------------------------------------------------------------------
+//
+CNATBindingSTUNAndCRLFRefresher::CNATBindingSTUNAndCRLFRefresher(
+    CDeltaTimer& aDeltaTimer,
+    TInt aRefreshInterval,
+    MNATBindingRefresherObserver& aObserver,
+    CNATBinding& aNATBinding)
+    : CNATBindingSTUNRefresher(aDeltaTimer,aRefreshInterval,
+                               aObserver,aNATBinding)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CNATBindingSTUNAndCRLFRefresher::ConstructL(
+    RSocket& aSocket,
+    const TInetAddr& aAddr,
+    MNATTraversalSocketManager& aSocketManager)
+    {
+    iCRLFSender = new(ELeave)CUdpCRLFSender(aSocket,aAddr,*this,aSocketManager);
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::~CNATBindingSTUNAndCRLFRefresher
+// -----------------------------------------------------------------------------
+//
+CNATBindingSTUNAndCRLFRefresher::~CNATBindingSTUNAndCRLFRefresher()
+    {
+    delete iCRLFSender;
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::NATBindingRefreshComplete
+// From MNATBindingRefresherObserver
+// -----------------------------------------------------------------------------
+//
+void CNATBindingSTUNAndCRLFRefresher::NATBindingRefreshComplete(
+    TInt aCompletionCode)
+    {
+    if (aCompletionCode == KErrNone)
+        {
+        CSTUNBinding* stunBinding = iNATBinding.Binding();
+        if (stunBinding)
+            {
+            TRAPD(err,iNATBinding.SendSTUNRequestL())
+            if (err)
+                {
+                iObserver.NATBindingRefreshComplete(err);
+                }
+            }
+        else
+            {
+            iObserver.NATBindingRefreshComplete(KErrNotFound);
+            }
+        }
+    else
+        {
+        iObserver.NATBindingRefreshComplete(aCompletionCode);
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::RefreshTimerExpiredL
+// From CNATBindingRefresher
+// -----------------------------------------------------------------------------
+//
+void CNATBindingSTUNAndCRLFRefresher::RefreshTimerExpiredL()
+    {
+    // First send the CRLF burst and when that completes
+    // send the STUN request (see NATBindingRefreshComplete).
+    iCRLFSender->Cancel();
+    iCRLFSender->CCRLFSender::Send();
+    }
+
+// -----------------------------------------------------------------------------
+// CNATBindingSTUNAndCRLFRefresher::CancelRefresh
+// From CNATBindingRefresher
+// -----------------------------------------------------------------------------
+//
+void CNATBindingSTUNAndCRLFRefresher::CancelRefresh()
+    {
+    iCRLFSender->Cancel();
+
+    CSTUNBinding* stunBinding = iNATBinding.Binding();
+    if (stunBinding)
+        {
+        stunBinding->CancelRequest();
+        }
+    }