diff -r 000000000000 -r 1bce908db942 natfw/natfwstunturnclient/inc/cstunbindingstate.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/inc/cstunbindingstate.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,111 @@
+/*
+* Copyright (c) 2005-2007 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:    
+*
+*/
+
+
+
+
+#ifndef C_CSTUNBINDINGSTATE_H
+#define C_CSTUNBINDINGSTATE_H
+
+// INCLUDES
+#include <e32base.h>
+#include <in_sock.h>
+
+// FORWARD DECLARATIONS
+class CBindingImplementation;
+
+// CLASS DECLARATION
+
+/**
+ *  Base class for CSTUNBinding's states. 
+ */
+class CSTUNBindingState : public CBase
+    {
+    public:
+          /**
+        * Destructor
+        */
+        virtual ~CSTUNBindingState();
+
+        /**
+        * Shared secret is available.
+        * @param aContext Binding instance who received the event
+        * @param aUsername Username
+        * @param aPassword Password
+        */
+        virtual void
+            SharedSecretObtainedL( CBindingImplementation& aContext,
+                                   const TDesC8& aUsername,
+                                   const TDesC8& aPassword ) const;
+
+        /**
+        * Transaction received a Binding Response, and there was no error.
+        * @param aContext Binding instance who received the event
+        * @param aPublicAddress Public address to use
+        */
+        virtual void
+            PublicAddressReceivedL( CBindingImplementation& aContext,
+                                    const TInetAddr& aPublicAddress ) const;
+
+        /**
+         * Transaction received a Binding Response, and there was no error.
+         *
+         * @since   s60 3.2
+         * @param   aContext Binding instance who received the event
+         * @param   aReflexiveAddr  Public address to use
+         * @param   aRelayAddr      Stun RELAY address to use
+         */
+        virtual void
+            PublicAddressReceivedL( CBindingImplementation& aContext,
+                                    const TInetAddr& aReflexiveAddr,
+                                    const TInetAddr& aRelayAddr ) const;
+    
+        /**
+        * Transaction ended unsuccessfully.
+        * @param aContext Binding instance who received the event
+        * @param aError Reason for the failure
+        */
+        virtual void TransactionError( CBindingImplementation& aContext,
+                                       TInt aError );
+
+        virtual void
+            TimerExpiredL( CBindingImplementation& aContext ) const;
+
+        /**
+        * Refreshes the binding causing a new Binding Request to be sent to the
+        * STUN server
+        * @param aContext Binding instance who received the event
+        */
+        virtual void SendRequestL( CBindingImplementation& aContext ) const;
+        
+
+        /**
+        * Cancels a previously issued call to SendRequestL or AllocateRequestL.
+        */
+        virtual void
+            CancelRequest( CBindingImplementation& aContext ) const;
+
+    protected:
+
+        CSTUNBindingState();
+
+    private:
+
+        CSTUNBindingState( const CSTUNBindingState& aState );
+    };
+
+#endif // C_CSTUNBINDINGSTATE_H