diff -r 000000000000 -r 1bce908db942 natplugins/natptraversalcontroller/src/cudpcrlfsender.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natptraversalcontroller/src/cudpcrlfsender.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,159 @@
+/*
+* 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 "cudpcrlfsender.h"
+#include "nattraversalsocketmanager.h"
+#include "mnatbindingrefresherobserver.h"
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::CUdpCRLFSender
+// -----------------------------------------------------------------------------
+//
+CUdpCRLFSender::CUdpCRLFSender(
+    RSocket& aSocket,
+    const TInetAddr& aAddr,
+    MNATBindingRefresherObserver& aObserver,
+    MNATTraversalSocketManager& aSocketManager )
+    : CCRLFSender( aObserver ),
+      iSocket( aSocket ),
+      iAddr( aAddr ),
+      iSocketManager ( aSocketManager )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::~CUdpCRLFSender
+// -----------------------------------------------------------------------------
+//
+CUdpCRLFSender::~CUdpCRLFSender()
+    {
+    Cancel();
+    iSocketManager.SendingCompleted(*this);
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::PersistentConnectionRequired
+// -----------------------------------------------------------------------------
+//
+TBool CUdpCRLFSender::PersistentConnectionRequired() const
+    {
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::HasSocket
+// From CCRLFSender
+// -----------------------------------------------------------------------------
+//
+TBool CUdpCRLFSender::HasSocket(const RSocket& aSocket) const
+    {
+    return (aSocket.SubSessionHandle() == iSocket.SubSessionHandle());
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::Socket
+// From MNATTraversalSocketUser
+// -----------------------------------------------------------------------------
+//
+const RSocket& CUdpCRLFSender::Socket() const
+    {
+    return iSocket;
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::SendingAllowed
+// From MNATTraversalSocketUser
+// -----------------------------------------------------------------------------
+//
+void CUdpCRLFSender::SendingAllowed()
+    {
+    iAllowedToSend = ETrue;
+    CCRLFSender::Send();
+    iAllowedToSend = EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::IsSending
+// From MNATTraversalSocketUser
+// -----------------------------------------------------------------------------
+//
+TBool CUdpCRLFSender::IsSending() const
+    {
+    return IsActive();
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::CancelSending
+// From MNATTraversalSocketUser
+// -----------------------------------------------------------------------------
+//
+void CUdpCRLFSender::CancelSending()
+    {
+    Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::DoCancel
+// From CActive
+// -----------------------------------------------------------------------------
+//
+void CUdpCRLFSender::DoCancel()
+    {
+    iSocket.CancelSend();
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::Send
+// -----------------------------------------------------------------------------
+//
+void CUdpCRLFSender::Send(const TDesC8& aData)
+    {
+    iSocket.SendTo(aData,iAddr,0,iStatus);
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::ReadyToSend
+// From CCRLFSender
+// -----------------------------------------------------------------------------
+//
+TBool CUdpCRLFSender::ReadyToSend()
+    {
+    if (iAllowedToSend)
+        {
+        return ETrue;
+        }
+    TBool addedToQueue = ETrue;
+    TRAPD(err, addedToQueue = iSocketManager.AddToSendingQueueL(*this))
+    if (err)
+        {
+        iObserver.NATBindingRefreshComplete(err);
+        }
+    return !addedToQueue;
+    }
+
+// -----------------------------------------------------------------------------
+// CUdpCRLFSender::SendingCompleted
+// From CCRLFSender
+// -----------------------------------------------------------------------------
+//
+void CUdpCRLFSender::SendingCompleted()
+    {
+    iSocketManager.SendingCompleted(*this);
+    }
+
+// End of File