--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/inc/tstuncallbackinfo.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,116 @@
+/*
+* 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 T_STUNCALLBACKINFO_H
+#define T_STUNCALLBACKINFO_H
+
+// INCLUDES
+#include <e32base.h>
+#include "natfwstunclientobserver.h"
+
+// FORWARD DECLARATIONS
+class CSTUNClient;
+class CBinding;
+
+//CLASS DECLARATION
+
+/**
+ * This class contains the information to execute a single callback function of
+ * MSTUNClientObserver.
+ */
+class TSTUNCallbackInfo
+    {
+    public: // Enumerations
+
+        // One entry for each function of MSTUNClientObserver, including all the
+        // different TSTUNBindingEvent values.
+        enum TFunction
+            {
+            EInitCompleted,
+            EEventAddressResolvedL,
+            EEventCredentialsRejected,
+            EErrorOccurred,
+            EEventTCPConnectOk,
+            EEventActiveDestinationSet
+            };
+
+    public: // Constructors and destructor
+
+        /**
+         * Constructor     
+         * @param aFunction Identifies the function of MSTUNClientObserver to
+         *                     be called
+         * @param aBinding STUN binding
+         * @param aErrorCode Error reason
+         * @param aClient STUN client
+         */
+        TSTUNCallbackInfo( TSTUNCallbackInfo::TFunction aFunction,
+                           const CBinding* aBinding,
+                           TInt aErrorCode = KErrNone,
+                           const CSTUNClient* aClient = NULL );
+
+        /**
+         * Checks that the selected callback function has required parameters
+         * defined and that no unrelevant parameters have been specified.
+         */
+        TBool Validate() const;
+        
+        /**
+         * Calls a selected function of aObserver with the given parameters.
+         * The function to call and the parameters were specified in the
+         * constructor.
+         * @param aObserver Observer implementing the callback functions
+         */
+        void Execute( MSTUNClientObserver& aObserver ) const;
+
+    private: // Constructors, for internal use
+
+        TSTUNCallbackInfo();
+
+        TSTUNCallbackInfo( const TSTUNCallbackInfo& aCallbackInfo );
+
+    private: // New functions, for internal use
+
+        void PassBindingEvent(
+            MSTUNClientObserver& aObserver,
+            MSTUNClientObserver::TSTUNBindingEvent aEvent ) const;
+
+    public: // Data
+
+        TSglQueLink    iLink;
+
+        // Selected callback function
+        TSTUNCallbackInfo::TFunction iFunction;
+
+        // Parameters to the selected callback function, not owned.
+        const CBinding* iBinding;
+        TInt iErrorCode;
+        const CSTUNClient* iClient;
+
+    private: // For testing purposes
+
+#ifdef TEST_EUNIT
+        friend class CSTUNCallbackInfoTest;
+#endif
+    };
+
+#endif // end of T_STUNCALLBACKINFO_H
+
+// End of File