diff -r 000000000000 -r 1bce908db942 natfw/natfwstunturnclient/src/tstuncallbackinfo.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwstunturnclient/src/tstuncallbackinfo.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,149 @@
+/*
+* 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:    
+*
+*/
+
+
+
+
+#include "stunassert.h"
+#include "tstuncallbackinfo.h"
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::TSTUNCallbackInfo
+// -----------------------------------------------------------------------------
+//
+TSTUNCallbackInfo::TSTUNCallbackInfo( TSTUNCallbackInfo::TFunction aFunction,
+                                         const CBinding* aBinding,
+                                         TInt aErrorCode,
+                                         const CSTUNClient* aClient ) :
+    iLink(),
+    iFunction( aFunction ),
+    iBinding( aBinding ),
+    iErrorCode( aErrorCode ),
+    iClient( aClient )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::TSTUNCallbackInfo
+// Dummy implementation. Default constructor is declared private and not used.
+// -----------------------------------------------------------------------------
+//
+TSTUNCallbackInfo::TSTUNCallbackInfo() :
+    iLink(),
+    iFunction( EInitCompleted ),
+    iBinding( NULL ),
+    iErrorCode( KErrNone ),
+    iClient( NULL )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::TSTUNCallbackInfo
+// Dummy implementation, as copy constructor is declared private and not used.
+// -----------------------------------------------------------------------------
+//
+TSTUNCallbackInfo::TSTUNCallbackInfo(
+    const TSTUNCallbackInfo& /*aCallbackInfo*/ ) :
+    iLink(),
+    iFunction( EInitCompleted ),
+    iBinding( NULL ),
+    iErrorCode( KErrNone ),
+    iClient( NULL )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::Validate
+// -----------------------------------------------------------------------------
+//
+TBool TSTUNCallbackInfo::Validate() const
+    {
+    switch ( iFunction )
+        {
+        case EInitCompleted:
+            return iClient && !iBinding;
+
+        case EEventAddressResolvedL:
+        case EEventCredentialsRejected:
+        case EEventActiveDestinationSet:
+        case EEventTCPConnectOk:
+            return iBinding && ( iErrorCode == KErrNone ) && !iClient;
+
+        case EErrorOccurred:
+            return iBinding && ( iErrorCode != KErrNone ) && !iClient;            
+
+        default:
+            return EFalse;
+        }    
+    }
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::Execute
+// -----------------------------------------------------------------------------
+//
+void TSTUNCallbackInfo::Execute( MSTUNClientObserver& aObserver ) const
+    {
+    __STUN_ASSERT_RETURN( Validate(), KErrGeneral );
+
+    switch ( iFunction )
+        {
+        case EInitCompleted:
+            __STUN_ASSERT_L( iClient != NULL, KErrNotFound );
+            aObserver.STUNClientInitCompleted( *iClient, iErrorCode );
+            break;
+
+        case EEventAddressResolvedL:        
+            PassBindingEvent( aObserver,
+                              MSTUNClientObserver::EPublicAddressResolved );
+            break;
+
+        case EEventCredentialsRejected:
+            PassBindingEvent( aObserver,
+                              MSTUNClientObserver::ECredentialsRejected );
+            break;
+        
+        case EEventActiveDestinationSet:
+            PassBindingEvent( aObserver,
+                              MSTUNClientObserver::EActiveDestinationSet );
+            break;
+            
+        case EEventTCPConnectOk:
+            PassBindingEvent( aObserver,
+                              MSTUNClientObserver::ETCPConnectOk );
+            break;
+            
+        case EErrorOccurred:
+            __STUN_ASSERT_L( iBinding != NULL, KErrNotFound );
+            aObserver.STUNBindingErrorOccurred( *iBinding, iErrorCode );
+            break;
+
+        default:
+            __STUN_FAILURE_RETURN( KErrGeneral );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// TSTUNCallbackInfo::PassBindingEvent
+// -----------------------------------------------------------------------------
+//
+void TSTUNCallbackInfo::PassBindingEvent(
+    MSTUNClientObserver& aObserver,
+    MSTUNClientObserver::TSTUNBindingEvent aEvent ) const
+    {
+    __STUN_ASSERT_L( iBinding != NULL, KErrGeneral );
+    TRAP_IGNORE( aObserver.STUNBindingEventOccurredL( aEvent, *iBinding ) );
+    }