memspy/Engine/Source/SysMemTracker/MemSpyEngineHelperSysMemTrackerEntryDiskSpace.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:57:15 +0200
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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 "MemSpyEngineHelperSysMemTrackerEntryDiskSpace.h"
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// System includes
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#include <e32base.h>
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#include <badesca.h>
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// Driver includes
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#include <memspy/driver/memspydriverclient.h>
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// User includes
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#include <memspy/engine/memspyengine.h>
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#include <memspy/engine/memspyengineutils.h>
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#include <memspy/engine/memspyengineoutputsink.h>
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#include <memspy/engine/memspyengineoutputlist.h>
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#include <memspy/engine/memspyengineobjectthread.h>
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#include <memspy/engine/memspyengineobjectprocess.h>
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#include <memspy/engine/memspyengineobjectcontainer.h>
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#include <memspy/engine/memspyenginehelpercodesegment.h>
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#include "MemSpyEngineHelperSysMemTrackerImp.h"
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#include <memspy/engine/memspyenginehelpersysmemtrackercycle.h>
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#include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>
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CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::CMemSpyEngineHelperSysMemTrackerEntryDiskSpace( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TDriveNumber aDrive )
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:   CMemSpyEngineHelperSysMemTrackerEntry( aTracker, EMemSpyEngineSysMemTrackerTypeDiskSpace ), iDrive( aDrive )
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    {
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    }
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CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::~CMemSpyEngineHelperSysMemTrackerEntryDiskSpace()
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    {
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    }
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void CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::ConstructL()
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    {
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    UpdateVolumeInfoL( iCurrent );
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    iLast = iCurrent;
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    }
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CMemSpyEngineHelperSysMemTrackerEntryDiskSpace* CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::NewLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TDriveNumber aDrive )
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    {
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    CMemSpyEngineHelperSysMemTrackerEntryDiskSpace* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerEntryDiskSpace( aTracker, aDrive );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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TUint64 CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::Key() const
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    {
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    const TUint32 val = ( Type() << 28 );
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    TUint64 ret = val;
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    ret <<= 32;
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    ret += iDrive;
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    return ret;
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    }
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void CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )
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    {
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    CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace* changeDescriptor = CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::NewLC( Attributes(), iDrive, iCurrent, IsNew() ? NULL : &iLast );
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    aCycle.AddAndPopL( changeDescriptor );
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    }
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TBool CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& /*aConfig*/ ) const
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    {
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    const TBool hasChanged = ( iCurrent.iFree != iLast.iFree ) || ( iCurrent.iSize != iLast.iSize );
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    TRACE( RDebug::Print( _L("CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::HasChangedL() - drive: %C:\\, iCurrent.iSize: %Ld, iLast.iSize: %Ld, iCurrent.iFree: %Ld, iLast.iFree: %Ld"), iDrive + 'A', iCurrent.iSize, iLast.iSize, iCurrent.iFree, iLast.iFree ) ); 
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    return hasChanged;
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    }
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void CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& aEntry )
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    {
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    const CMemSpyEngineHelperSysMemTrackerEntryDiskSpace& entry = static_cast< const CMemSpyEngineHelperSysMemTrackerEntryDiskSpace& >( aEntry );
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    TRACE( RDebug::Print( _L("CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::UpdateFromL() - START - drive: %C:\\, iCurrent.iSize: %Ld, iLast.iSize: %Ld, iCurrent.iFree: %Ld, iLast.iFree: %Ld"), iDrive + 'A', iCurrent.iSize, iLast.iSize, iCurrent.iFree, iLast.iFree ) ); 
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    // Update state
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    iLast = iCurrent;
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    iCurrent = entry.iCurrent;
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    TRACE( RDebug::Print( _L("CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::UpdateFromL() - END - drive: %C:\\, iCurrent.iSize: %Ld, iLast.iSize: %Ld, iCurrent.iFree: %Ld, iLast.iFree: %Ld"), iDrive + 'A', iCurrent.iSize, iLast.iSize, iCurrent.iFree, iLast.iFree ) ); 
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    }
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void CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::UpdateVolumeInfoL( TVolumeInfo& aInfo )
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    {
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    RFs& fsSession = Engine().FsSession();
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    User::LeaveIfError( fsSession.Volume( aInfo, iDrive ) );
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    TRACE( RDebug::Print( _L("CMemSpyEngineHelperSysMemTrackerEntryDiskSpace::UpdateVolumeInfoL() - drive: %C:\\, aInfo.iSize: %Ld, aInfo.iFree: %Ld"), iDrive + 'A', iCurrent.iSize, iLast.iSize, iCurrent.iFree, iLast.iFree ) ); 
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    }
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CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace( TUint8 aAttribs, TDriveNumber aDrive )
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:   CMemSpyEngineHelperSysMemTrackerCycleChange( aAttribs ), iDrive( aDrive )
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    {
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    }
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CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::~CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace()
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    {
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    delete iName;
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    }
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void CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::ConstructL( const TVolumeInfo& aCurrent, const TVolumeInfo* /*aLast*/ )
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    {
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    BaseConstructL();
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    // Format drive letter
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    _LIT( KDriveFormatSpec, "EDrive%c" );
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    TChar driveChar( 'A' + iDrive );
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    iDriveName.Format( KDriveFormatSpec, (TInt) driveChar );
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    iName = aCurrent.iName.AllocL();
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    iUniqueID = aCurrent.iUniqueID;
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    iSize = aCurrent.iSize;
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    iFree = aCurrent.iFree;
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    }
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CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace* CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::NewLC( TUint8 aAttribs, TDriveNumber aDrive, const TVolumeInfo& aCurrent, const TVolumeInfo* aLast )
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    {
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    CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace( aAttribs, aDrive );
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    CleanupStack::PushL( self );
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    self->ConstructL( aCurrent, aLast );
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    return self;
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    }
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TMemSpyEngineSysMemTrackerType CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::Type() const
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    {
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    return EMemSpyEngineSysMemTrackerTypeDiskSpace;
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    }
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void CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::OutputHeaderL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )
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    {
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    _LIT( KHeaderLine, "Type, Drive Name, Drive Number, Size, Free, UID, Volume Name, Attribs");
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    aSink.OutputLineL( KHeaderLine );
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    }
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void CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace::OutputContentL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )
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    {
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    _LIT( KFormat, "%S,%S,%1d,%ld,%ld,%8x,%S,%S" );
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    //
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    TMemSpySWMTTypeName type;;
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    FormatType( type );
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    //
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    TBuf<20> attribs;
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    FormatAttributes( attribs );
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    //
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    HBufC* buf = HBufC::NewLC( 1024 );
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    TPtr pBuf( buf->Des() );
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    // Now output line
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    pBuf.Format( KFormat,
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                 &type,
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                 &iDriveName,
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                 iDrive,
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                 iSize,
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                 iFree,
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                 iUniqueID,
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                 iName,
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                 &attribs
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                 );
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    aSink.OutputLineL( pBuf );
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    CleanupStack::PopAndDestroy( buf );
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    }
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