memspy/Engine/Source/SysMemTracker/MemSpyEngineHelperSysMemTrackerImp.cpp
changeset 51 98307c651589
parent 42 0ff24a8f6ca2
child 52 c2f44e33b468
--- a/memspy/Engine/Source/SysMemTracker/MemSpyEngineHelperSysMemTrackerImp.cpp	Fri Aug 27 11:37:29 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,287 +0,0 @@
-/*
-* 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 "MemSpyEngineHelperSysMemTrackerImp.h"
-
-// System includes
-#include <e32debug.h>
-
-// User includes
-#include <memspy/engine/memspyengine.h>
-#include <memspy/engine/memspyengineutils.h>
-#include <memspy/engine/memspyengineobjectthread.h>
-#include <memspy/engine/memspyengineobjectprocess.h>
-#include <memspy/engine/memspyengineobjectcontainer.h>
-#include <memspy/engine/memspyenginehelperheap.h>
-#include <memspy/engine/memspyenginehelperchunk.h>
-#include <memspy/engine/memspyenginehelpersysmemtrackercycle.h>
-#include <memspy/engine/memspyenginehelpersysmemtrackerobserver.h>
-#include "MemSpyEngineHelperSysMemTrackerEntryManager.h"
-
-// Constants
-const TInt KMemSpyDefaultTrackerTimerPeriod = 30; // Seconds
-
-
-CMemSpyEngineHelperSysMemTrackerImp::CMemSpyEngineHelperSysMemTrackerImp( CMemSpyEngine& aEngine )
-:   CTimer( EPriorityStandard ), iEngine( aEngine )
-    {
-    CActiveScheduler::Add( this );
-    iConfig.iTimerPeriod = TTimeIntervalMicroSeconds32( KMemSpyDefaultTrackerTimerPeriod * 1000000 );
-    }
-
-    
-CMemSpyEngineHelperSysMemTrackerImp::~CMemSpyEngineHelperSysMemTrackerImp()
-    {
-    Cancel();
-    //
-    delete iEntryManager;
-    //
-    iCompletedCycles.ResetAndDestroy();
-    iCompletedCycles.Close();
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::ConstructL()
-    {
-    CTimer::ConstructL();
-    }
-
-
-CMemSpyEngineHelperSysMemTrackerImp* CMemSpyEngineHelperSysMemTrackerImp::NewL( CMemSpyEngine& aEngine )
-    {
-    CMemSpyEngineHelperSysMemTrackerImp* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerImp( aEngine );
-    CleanupStack::PushL( self );
-    self->ConstructL();
-    CleanupStack::Pop( self );
-    return self;
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::StartL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig )
-    {
-    TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::StartL() - START - timer period: %d", Config().TimerPeriod().Int() ) );
-
-    // Zap any old data
-    Reset();
-
-    // Cache client settings
-    iConfig = aConfig;
-
-    // Make new cycle
-    PrepareInitialCycleL();
-
-    // Start tracking via timer - future updates will by driven by RunL().
-    After( Config().TimerPeriod() );
-    TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::END() - START - timer period: %d", Config().TimerPeriod().Int() ) );
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::StopL()
-    {
-    Cancel();
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::SetObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver )
-    {
-    iObserver = aObserver;
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::RemoveObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver )
-    {
-    if  ( iObserver == aObserver )
-        {
-        iObserver = NULL;
-        }
-    }
-
-
-const RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle >& CMemSpyEngineHelperSysMemTrackerImp::CompletedCycles() const
-    {
-    return iCompletedCycles;
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::Reset()
-    {
-    Cancel();
-    iCompletedCycles.ResetAndDestroy();
-    //
-    if  ( iObserver )
-        {
-        TRAP_IGNORE( iObserver->HandleCyclesResetL() );
-        }
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL()
-    {
-    const TInt count = iCompletedCycles.Count();
-    TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL() - START - isActive: %d, cycleCount: %d", IsActive(), count ) );
-
-    if  ( IsActive() )
-        {
-        Cancel();
-        CheckForChangesL();
-        After( Config().TimerPeriod() );
-        }
-    else
-        {
-        // Timer not running, so we're probably being poked by some external-to-memspy client that
-        // wants to force an update.
-        //
-        // If we've never yet performed an initital cycle, then prep that. Otherwise, just proceed as normal
-        // as if we had been called back via RunL().
-        if  ( count == 0 )
-            {
-            PrepareInitialCycleL();
-            }
-        else
-            {
-            CheckForChangesL();
-            }
-        }
-
-    TRACE( RDebug::Printf("CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesNowL() - END - isActive: %d, cycleCount: %d", IsActive(), iCompletedCycles.Count() ) );
-    }
-
-
-TInt CMemSpyEngineHelperSysMemTrackerImp::MdcaCount() const
-    {
-    return iCompletedCycles.Count();
-    }
-
-
-TPtrC CMemSpyEngineHelperSysMemTrackerImp::MdcaPoint( TInt aIndex ) const
-    {
-    const CMemSpyEngineHelperSysMemTrackerCycle* cycleInfo = iCompletedCycles[ aIndex ];
-    const TPtrC ret( cycleInfo->Caption() );
-    return ret;
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::NotifyObserverCycleStartedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )
-    {
-    if  ( iObserver )
-        {
-        TRAP_IGNORE( iObserver->HandleCycleStartedL( aCycle ) );
-        }
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::NotifyObserverCycleFinishedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )
-    {
-    if  ( iObserver )
-        {
-        TRAP_IGNORE( iObserver->HandleCycleFinishedL( aCycle ) );
-        aCycle.DiscardChanges();
-        }
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::AddCycleAndPopL( CMemSpyEngineHelperSysMemTrackerCycle* aCycle )
-    {
-    iCompletedCycles.AppendL( aCycle );
-    CleanupStack::Pop( aCycle );
-    aCycle->FinalizeL();
-    }
-
-
-CMemSpyEngineHelperSysMemTrackerCycle* CMemSpyEngineHelperSysMemTrackerImp::LastCycleOrNull()
-    {
-    CMemSpyEngineHelperSysMemTrackerCycle* ret = NULL;
-    //
-    const TInt count = iCompletedCycles.Count();
-    if  ( count )
-        {
-        ret = iCompletedCycles[ count - 1 ];
-        }
-    //
-    return ret;
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::PrepareInitialCycleL()
-    {
-    // Create seed items
-    CMemSpyEngineHelperSysMemTrackerEntryManager* entryManager = CMemSpyEngineHelperSysMemTrackerEntryManager::NewL( *this );
-    delete iEntryManager;
-    iEntryManager = entryManager;
-
-    // Everything changes on the first cycle.
-    CMemSpyEngineHelperSysMemTrackerCycle* baselineCycle = CMemSpyEngineHelperSysMemTrackerCycle::NewLC( iConfig );
-    NotifyObserverCycleStartedL( *baselineCycle );
-    iEntryManager->EverythingHasChangedL( *baselineCycle );
-    AddCycleAndPopL( baselineCycle );
-    NotifyObserverCycleFinishedL( *baselineCycle );
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::CheckForChangesL()
-    {
-    // Create info structure 
-    CMemSpyEngineHelperSysMemTrackerCycle* cycle = CMemSpyEngineHelperSysMemTrackerCycle::NewLC( iConfig, LastCycleOrNull() );
-
-    // Notify 
-    NotifyObserverCycleStartedL( *cycle );
-
-    // Find changes
-    iEntryManager->IdentifyChangesL( *cycle );
-
-    // Finalise the cycle and save it
-    AddCycleAndPopL( cycle );
-
-    // Notify
-    NotifyObserverCycleFinishedL( *cycle );
-    }
-
-
-void CMemSpyEngineHelperSysMemTrackerImp::RunL()
-    {
-    CheckForChangesL();
-    After( Config().TimerPeriod() );
-    }
-
-
-TInt CMemSpyEngineHelperSysMemTrackerImp::RunError( TInt aError )
-    {
-    RDebug::Printf( "CMemSpyEngineHelperSysMemTrackerImp::RunError() - aError: %d", aError );
-    (void) aError;
-    //
-    Cancel();
-    After( Config().TimerPeriod() );
-    //
-    return KErrNone;
-    }
-
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