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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <memspy/engine/memspyengineundertaker.h>
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// Driver includes
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#include <memspy/driver/memspydriverclient.h>
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#include <memspy/driver/memspydriverenumerationsshared.h>
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CMemSpyEngineUndertaker::CMemSpyEngineUndertaker( RMemSpyDriverClient& aDriver, TInt aPriority )
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: CActive( aPriority ), iDriver( aDriver )
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{
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CActiveScheduler::Add( this );
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}
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CMemSpyEngineUndertaker::~CMemSpyEngineUndertaker()
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{
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Cancel();
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//
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if ( iEventMonitorHandle != KNullHandle )
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{
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iDriver.EventMonitorClose( iEventMonitorHandle );
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}
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//
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iObservers.Close();
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}
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void CMemSpyEngineUndertaker::ConstructL()
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{
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const TInt error = iDriver.EventMonitorOpen( iEventMonitorHandle );
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User::LeaveIfError( error );
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//
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Request();
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}
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CMemSpyEngineUndertaker* CMemSpyEngineUndertaker::NewL( RMemSpyDriverClient& aDriver, TInt aPriority )
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{
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CMemSpyEngineUndertaker* self = new(ELeave) CMemSpyEngineUndertaker( aDriver, aPriority );
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop( self );
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return self;
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}
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void CMemSpyEngineUndertaker::AddObserverL( MMemSpyEngineUndertakerObserver& aObserver )
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{
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RemoveObserver( aObserver );
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iObservers.AppendL( &aObserver );
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}
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void CMemSpyEngineUndertaker::RemoveObserver( MMemSpyEngineUndertakerObserver& aObserver )
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{
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const TInt count = iObservers.Count();
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for( TInt i=count-1; i>=0; i-- )
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{
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MMemSpyEngineUndertakerObserver* obs = iObservers[ i ];
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if ( obs == &aObserver )
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{
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iObservers.Remove( i );
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}
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}
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}
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void CMemSpyEngineUndertaker::RunL()
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{
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const TUint notifiedId = iId;
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const TInt typeAsInt = iStatus.Int();
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User::LeaveIfError( typeAsInt );
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Request();
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//
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const TMemSpyDriverEventType type = static_cast< TMemSpyDriverEventType >( typeAsInt );
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switch( type )
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{
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case EMemSpyDriverEventTypeProcessRemove:
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{
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const TProcessId id( notifiedId );
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NotifyProcessDeadL( id );
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break;
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}
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case EMemSpyDriverEventTypeThreadKill:
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{
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const TThreadId id( notifiedId );
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NotifyThreadDeadL( id );
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break;
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}
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default:
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// Process removal not handled as not relevant
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break;
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}
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}
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void CMemSpyEngineUndertaker::DoCancel()
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{
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iDriver.EventMonitorNotifyCancel( iEventMonitorHandle );
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}
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void CMemSpyEngineUndertaker::Request()
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{
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Cancel();
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iDriver.EventMonitorNotify( iEventMonitorHandle, iStatus, iId );
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SetActive();
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}
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void CMemSpyEngineUndertaker::NotifyProcessDeadL( const TProcessId& aId )
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{
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// NB: opening may fail - client's must tolerate this
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RProcess process;
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iDriver.OpenProcess( aId, process );
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CleanupClosePushL( process );
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//
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const TInt count = iObservers.Count();
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for( TInt i=0; i<count; i++ )
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{
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MMemSpyEngineUndertakerObserver* obs = iObservers[ i ];
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TRAP_IGNORE( obs->ProcessIsDeadL( aId, process ) );
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}
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//
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CleanupStack::PopAndDestroy( &process );
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}
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void CMemSpyEngineUndertaker::NotifyThreadDeadL( const TThreadId& aId )
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{
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// NB: opening may fail - client's must tolerate this
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RThread thread;
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iDriver.OpenThread( aId, thread );
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CleanupClosePushL( thread );
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//
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const TInt count = iObservers.Count();
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for( TInt i=0; i<count; i++ )
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{
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MMemSpyEngineUndertakerObserver* obs = iObservers[ i ];
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TRAP_IGNORE( obs->ThreadIsDeadL( aId, thread ) );
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}
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//
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CleanupStack::PopAndDestroy( &thread );
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}
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