--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfsrv/piprofiler/engine/src/ProfilerErrorChecker.cpp	Fri Sep 17 08:38:31 2010 +0300
@@ -0,0 +1,115 @@
+/*
+* 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:  
+*
+*/
+
+
+#include <e32std.h>
+#include <e32base.h>
+#include <e32property.h>
+
+#include <piprofiler/ProfilerTraces.h>
+
+#include "ProfilerErrorChecker.h"
+
+// properties
+const TUid KEngineStatusPropertyCat={0x2001E5AD};
+enum TEnginePropertyKeys
+    {
+    EProfilerEngineStatus = 8,
+    EProfilerErrorStatus
+    };
+
+/*
+ *
+ *  CProfilerErrorChecker class implementation
+ *
+ */
+CProfilerErrorChecker* CProfilerErrorChecker::NewL()
+    {
+    CProfilerErrorChecker* self = new(ELeave) CProfilerErrorChecker;
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+
+// --------------------------------------------------------------------------------------------
+CProfilerErrorChecker::CProfilerErrorChecker() :
+    CActive(EPriorityStandard)
+    {
+    }
+
+CProfilerErrorChecker::~CProfilerErrorChecker()
+    {
+    Cancel();
+    iErrorStatus.Close();
+    }
+
+// --------------------------------------------------------------------------------------------
+void CProfilerErrorChecker::ConstructL()
+    {
+    
+    LOGTEXT(_L("Trying to attach to profiler engine error status property"));
+    User::LeaveIfError(iErrorStatus.Attach(KEngineStatusPropertyCat, EProfilerErrorStatus));
+    CActiveScheduler::Add(this);
+
+    // subscribe to P&S status property
+    iErrorStatus.Subscribe(iStatus);
+    SetActive();
+    }
+
+// --------------------------------------------------------------------------------------------
+void CProfilerErrorChecker::SetObserver(MProfilerErrorObserver* aObserver)
+    {
+    iObserver = aObserver;
+    }
+
+// --------------------------------------------------------------------------------------------
+TInt CProfilerErrorChecker::RunError(TInt aError)
+    {
+    iErrorStatus.Close();
+    return aError;
+    }
+// --------------------------------------------------------------------------------------------
+void CProfilerErrorChecker::RunL()
+    {
+    // resubscribe before processing new value to prevent missing updates
+    iErrorStatus.Subscribe(iStatus);
+    SetActive();
+
+    TInt stat(0);
+    if(iErrorStatus.Get(stat) != KErrNone)
+        {
+        // check if error status != KErrNone
+        if(stat != 0)
+            {
+            iObserver->HandleProfilerErrorChangeL(stat);
+            }
+        
+        // reset error code
+        iErrorStatus.Set(KErrNone);
+        }
+    }
+
+// --------------------------------------------------------------------------------------------
+ 
+void CProfilerErrorChecker::DoCancel()
+    {
+    iErrorStatus.Cancel();
+    }
+
+// end of file
+