diff -r 086aae6fc07e -r f7816ffc66ed alwayson_net_plugin/pdpcontextmanager2/src/cenrepobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/alwayson_net_plugin/pdpcontextmanager2/src/cenrepobserver.cpp	Tue Jan 26 12:12:48 2010 +0200
@@ -0,0 +1,166 @@
+/*
+* Copyright (c) 2009 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:  Listens to changes in a Central Repository key 
+*               KCurrentCellularDataUsage in Repository KCRUidCmManager.
+*/
+
+#include <commsdat.h>
+#include <centralrepository.h>
+#include <cmmanagerkeys.h>
+
+#include "cenrepobserver.h"
+#include "logger.h"
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::NewL
+// -----------------------------------------------------------------------------
+//
+CAOCenRepObserver* CAOCenRepObserver::NewL( MAOCenRepObserver& aObserver )
+    {
+    CAOCenRepObserver* self = 
+             CAOCenRepObserver::NewLC( aObserver );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::NewLC
+// -----------------------------------------------------------------------------
+//
+CAOCenRepObserver* CAOCenRepObserver::NewLC( MAOCenRepObserver& aObserver )
+    {
+    CAOCenRepObserver* self = 
+             new( ELeave ) CAOCenRepObserver( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::~CAOCenRepObserver
+// -----------------------------------------------------------------------------
+//
+CAOCenRepObserver::~CAOCenRepObserver()
+    {
+    // Cancel outstanding request, if exists
+    Cancel();
+    delete iRepository;
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::CAOCenRepObserver
+// -----------------------------------------------------------------------------
+//
+CAOCenRepObserver::CAOCenRepObserver( MAOCenRepObserver& aObserver )
+        :
+        CActive( CActive::EPriorityStandard ),
+        iObserver( aObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CAOCenRepObserver::ConstructL()
+    {    
+    TRAPD( err, iRepository = CRepository::NewL( KCRUidCmManager ) )
+     
+    if ( err == KErrNone )
+        {
+        CActiveScheduler::Add( this );
+        RequestNotifications();
+        }
+    else
+        {
+        LOG_2( _L("FAILED to open KCRUidCmManager repository <%d>"), err ); 
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::RequestNotifications
+// -----------------------------------------------------------------------------
+//
+void CAOCenRepObserver::RequestNotifications()
+    {
+    LOG_1( _L("CAOCenRepObserver::RequestNotifications") );
+
+    TInt err = iRepository->NotifyRequest( KCurrentCellularDataUsage, iStatus );
+
+    if ( err == KErrNone )
+        {
+        SetActive();
+        }
+    else
+        {
+        LOG_2( _L("ERROR, iRepository->NotifyRequest() %d"), err );	
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CAOCenRepObserver::DoCancel()
+    {
+    iRepository->NotifyCancel( KCurrentCellularDataUsage );
+    }
+
+// -----------------------------------------------------------------------------
+// CAOCenRepObserver::RunL
+// -----------------------------------------------------------------------------
+//
+void CAOCenRepObserver::RunL()
+    {
+    LOG_2( _L("CAOCenRepObserver::RunL() %d"), iStatus.Int() );
+
+    if ( iStatus.Int() < KErrNone )
+        {
+        iErrorCounter++;
+        if ( iErrorCounter > KCenRepErrorRetryCount )
+            {
+            LOG_2( _L("Over %d consecutive errors, stopping notifications permanently"), 
+                   KCenRepErrorRetryCount );	
+            return;
+            }
+        }
+    else
+        {
+        iErrorCounter = 0;
+        
+        TInt value( 0 );
+        TInt err = iRepository->Get( KCurrentCellularDataUsage, value );
+            
+        if ( err == KErrNone )
+            {
+            LOG_2( _L("KCurrentCellularDataUsage: %d"), value );
+                   	
+            TRAPD( leaveCode, iObserver.CurrentCellularDataUsageChangedL( value ) )
+            
+            if ( leaveCode )
+                {
+                LOG_2( _L("iObserver->CurrentCellularDataUsageChangedL FAILED: %d"), 
+                       leaveCode );
+                }
+            }
+        else
+            {
+            LOG_2( _L("ERROR, iRepository->Get(KCurrentCellularDataUsage) %d"), err );
+            }
+        }
+
+    RequestNotifications();
+    }
+
+// End-of-file