--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/inc/cstunsharedsecretstate.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,80 @@
+/*
+* Copyright (c) 2005 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_CSTUNSHAREDSECRETSTATE_H
+#define C_CSTUNSHAREDSECRETSTATE_H
+
+// INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CNATFWUNSAFMessage;
+class CSTUNSharedSecret;
+
+// CLASS DECLARATION
+
+/**
+ *  Base class for CSTUNSharedSecret's states. 
+ */
+class CSTUNSharedSecretState : public CBase
+    {
+    public:
+
+          /**
+        * Destructor
+        */
+        virtual ~CSTUNSharedSecretState();
+
+        /**
+        * TLS connection successfully established.
+        * @param aContext SharedSecret instance who received the event
+        */
+        virtual void TlsConnectedL( CSTUNSharedSecret& aContext ) const;
+
+        /**
+        * An UNSAF message has been received from the TLS connection.
+        * @param aContext SharedSecret instance who received the event
+        * @param aMessage incoming message, the ownership is transferred.
+        */
+        virtual void IncomingMessageL( CSTUNSharedSecret& aContext,
+                                       CNATFWUNSAFMessage* aMessage ) const;
+
+        /**
+        * TLS connection establishment has failed or 
+        * sending or receiving using the connection has failed or
+        * there was a leave in TlsConnectedL or IncomingMessageL.
+        * @param aContext SharedSecret instance who received the event
+        * @param aError a reason for the failure.
+        */
+        virtual void ErrorOccured( CSTUNSharedSecret& aContext,
+                                   TInt aError ) const;
+
+        virtual void TimerExpiredL( CSTUNSharedSecret& aContext ) const;
+
+    protected:
+
+        CSTUNSharedSecretState();
+
+    private:
+
+        CSTUNSharedSecretState( const CSTUNSharedSecretState& aState );
+    };
+
+#endif // C_CSTUNSHAREDSECRETSTATE_H