memspyui/ui/avkon/src/MemSpySettings.cpp
author hgs
Thu, 24 Jun 2010 14:55:55 +0300
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permissions -rw-r--r--
201025
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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 "MemSpySettings.h"
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// System includes
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#include <e32svr.h>
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#include <s32file.h>
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// Engine includes
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#include <memspy/engine/memspyengine.h>
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#include <memspy/engine/memspyenginelogger.h>
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#include <memspy/engine/memspyenginehelperprocess.h>
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#include <memspy/engine/memspyenginehelpersysmemtracker.h>
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#include <memspysession.h>
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// Constants
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_LIT( KMemSpySettingsFileName, "settings.dat" ); //file or avkon client settings
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// Version 03 dumped some of the system wide memory tracker settings
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const TInt KMemSpySettingsFileFormatVersion = 6;
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CMemSpySettings::CMemSpySettings( RFs& aFsSession, RMemSpySession& aSession )
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:   iFsSession( aFsSession ), iMemSpySession( aSession )
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    {	
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    }
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CMemSpySettings::~CMemSpySettings()
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    {	
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    TRACE( RDebug::Printf( "CMemSpySettings::~CMemSpySettings() - START" ) );
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    TRAP_IGNORE( StoreSettingsL() );
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    TRACE( RDebug::Printf( "CMemSpySettings::~CMemSpySettings() - END" ) );    	
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    }
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void CMemSpySettings::ConstructL()
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    {	
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    TRACE( RDebug::Print( _L("CMemSpySettings::ConstructL() - START") ) );
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    TRAP_IGNORE( RestoreSettingsL() );
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    TRACE( RDebug::Print( _L("CMemSpySettings::ConstructL() - END") ) );    
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    }
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CMemSpySettings* CMemSpySettings::NewL( RFs& aFsSession, RMemSpySession& aSession )
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    {
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    CMemSpySettings* self = new(ELeave) CMemSpySettings( aFsSession, aSession );
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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 CMemSpySettings::GetSettingsFileNameL( TDes& aFileName )
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    {
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    GetSettingsPathL( aFileName );
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    aFileName.Append( KMemSpySettingsFileName );
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    TRACE( RDebug::Print( _L("CMemSpySettings::GetSettingsFileNameL() - aFileName: %S"), &aFileName ) );
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    }
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void CMemSpySettings::GetSettingsPathL( TDes& aPath )
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    {
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    TRACE( RDebug::Print( _L("CMemSpySettings::GetSettingsPathL() - START") ) );
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    aPath.Zero();
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    // Get private data cage path
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    TInt err = iFsSession.PrivatePath( aPath );
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    TRACE( RDebug::Print( _L("CMemSpySettings::GetSettingsPathL() - priv path err: %d"), err ) );
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    User::LeaveIfError( err );
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    // Combine with C: drive
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    const TDriveUnit cDrive( EDriveC );
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    const TDriveName cDriveName( cDrive.Name() );
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    aPath.Insert( 0, cDriveName );
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    iFsSession.MkDirAll( aPath );
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    TRACE( RDebug::Print( _L("CMemSpySettings::GetSettingsPathL() - END - %S"), &aPath ) );
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    }
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RFile CMemSpySettings::SettingsFileLC( TBool aReplace )
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    {
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    TRACE( RDebug::Print( _L("CMemSpySettings::SettingsFileLC() - START - aReplace: %d"), aReplace ) );
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    TFileName* fileName = new(ELeave) TFileName();
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    CleanupStack::PushL( fileName );
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    GetSettingsFileNameL( *fileName );
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    TRACE( RDebug::Print( _L("CMemSpySettings::SettingsFileLC() - fileName: %S"), fileName ) );
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    RFile file;
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    TInt error = KErrNone;
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    //
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    if  ( aReplace )
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        {
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        error = file.Replace( iFsSession, *fileName, EFileWrite );
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        TRACE( RDebug::Print( _L("CMemSpySettings::SettingsFileLC() - replace err: %d"), error ) );
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        }
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    else
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        {
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        error = file.Open( iFsSession, *fileName, EFileWrite );
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        TRACE( RDebug::Print( _L("CMemSpySettings::SettingsFileLC() - open err: %d"), error ) );
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        //
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        if  ( error == KErrNotFound )
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            {
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            error = file.Create( iFsSession, *fileName, EFileWrite );
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            }
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        }
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    //
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    User::LeaveIfError( error );
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    CleanupStack::PopAndDestroy( fileName );
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    CleanupClosePushL( file );
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    //
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    TRACE( RDebug::Print( _L("CMemSpySettings::SettingsFileLC() - END") ) );
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    return file;
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    }
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void CMemSpySettings::StoreSettingsL()
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    {
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    TRACE( RDebug::Printf( "CMemSpySettings::StoreSettingsL() - START" ) );
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    RFile file = SettingsFileLC( ETrue );
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    RFileWriteStream stream( file );
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    CleanupStack::Pop(); // file
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    CleanupClosePushL( stream );
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    // Verion info
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    stream.WriteInt32L( KMemSpySettingsFileFormatVersion );
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    stream.WriteUint8L( iSinkType );
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    // Get SWMT config
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    //CMemSpyEngineHelperSysMemTracker& swmt = iEngine.HelperSysMemTracker();
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    //TMemSpyEngineHelperSysMemTrackerConfig swmtConfig;
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    //swmt.GetConfig( swmtConfig );
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    // Write SWMT settings
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    //stream.WriteInt32L( swmtConfig.TimerPeriod().Int() );
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    //stream.WriteUint8L( swmtConfig.DumpData() );
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    stream.WriteInt32L( iSwmtConfig.TimerPeriod().Int() );
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    stream.WriteUint8L( iSwmtConfig.DumpData() );
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    // Write memory tracking auto-start process list
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    /*
17
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    const RArray<TUid>& processUidList = iEngine.HelperProcess().MemoryTrackingAutoStartProcessList();
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    stream.WriteInt32L( processUidList.Count() );
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    for( TInt i=0; i<processUidList.Count(); i++ )
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        {
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        const TUid uid = processUidList[ i ];
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        TRACE( RDebug::Printf( "CMemSpySettings::StoreSettingsL() - process tracker uid[%02d]: 0x%08x", i, uid.iUid ) );
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        stream << uid;
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        }
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    */    
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    stream.WriteInt32L( iUidList.Count() );
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    for( TInt i = 0; i < iUidList.Count(); i++ )
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    	{
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		const TUid uid = iUidList[ i ];
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		TRACE( RDebug::Printf( "CMemSpySettings::StoreSettingsL() - process tracker uid[%02d]: 0x%08x", i, uid.iUid ) );
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		stream << uid;
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    	}
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    // Write memory tracking categories
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    //stream.WriteInt32L( swmtConfig.iEnabledCategories );
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    stream.WriteInt32L( iSwmtConfig.iEnabledCategories );
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    // Write heap tracking thread name filter
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    //stream.WriteInt32L( swmtConfig.iThreadNameFilter.Length() );
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    stream.WriteInt32L( iSwmtConfig.iThreadNameFilter.Length() );
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    /*
17
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    if ( swmtConfig.iThreadNameFilter.Length() > 0 )
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        {
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        stream.WriteL( swmtConfig.iThreadNameFilter, swmtConfig.iThreadNameFilter.Length() );
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        }
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    // Write mode
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    stream.WriteInt32L( swmtConfig.iMode );
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   196
    */
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    if ( iSwmtConfig.iThreadNameFilter.Length() > 0 )
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    	{
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		stream.WriteL( iSwmtConfig.iThreadNameFilter, iSwmtConfig.iThreadNameFilter.Length() );
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    	}
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    // Write mode
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    stream.WriteInt32L( iSwmtConfig.iMode );
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    stream.CommitL();
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    CleanupStack::PopAndDestroy( &stream ); // Closes file    
17
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    }
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void CMemSpySettings::RestoreSettingsL()
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    {  
17
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    RFile file = SettingsFileLC();
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    RFileReadStream stream( file );
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    CleanupStack::Pop(); // file
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    CleanupClosePushL( stream ); 
17
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    // Version info
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    const TInt version = stream.ReadInt32L(); // discarded for now
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    TRACE( RDebug::Printf( "CMemSpySettings::RestoreSettingsL() - version: %d", version ) );
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    // Engine settings
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    TMemSpySinkType type = static_cast< TMemSpySinkType >( stream.ReadUint8L() );
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    TRACE( RDebug::Printf( "CMemSpySettings::RestoreSettingsL() - read sinkType: %d", type ) );
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   223
       
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    //iEngine.InstallSinkL( type );
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    //iMemSpySession.SwitchOutputSink( type ); //TODO: to argue to set stuf in engine from here
17
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    // Set SWMT config
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    TMemSpyEngineHelperSysMemTrackerConfig swmtConfig;
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    swmtConfig.iTimerPeriod = TTimeIntervalMicroSeconds32( stream.ReadInt32L() ); 
17
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    swmtConfig.iDumpData = static_cast< TBool >( stream.ReadUint8L() );
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    if  ( version < 3 )
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        {
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        // Restore but ignore old delta tracker settings which aren't used anymore
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        //
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        static_cast< TBool >( stream.ReadUint8L() );
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        static_cast< TBool >( stream.ReadUint8L() );
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        static_cast< TBool >( stream.ReadUint8L() );
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        }
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    // Restore memory tracking auto-start process uids if file format supports it...
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    if ( version >= 2 )
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        {
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        RArray<TUid> list;		
17
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        CleanupClosePushL( list );
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        //
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   247
        const TInt count = stream.ReadInt32L();
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   248
        
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   249
        //CArrayFixFlat<TUid>* list = new(ELeave)CArrayFixFlat<TUid>(count);
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   250
        //CleanupStack::PushL(list );               
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   251
        
17
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        for( TInt i=0; i<count; i++ )
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            {
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            TUid processUid;
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            stream >> processUid;
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            //           
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   257
            User::LeaveIfError( list.Append( processUid ) );            
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            //list->AppendL( processUid );
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            }
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        //
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        //CMemSpyEngineHelperProcess& processHelper = iEngine.HelperProcess();
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        //processHelper.SetMemoryTrackingAutoStartProcessListL( list );        
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        //iMemSpySession.SetSwmtAutoStartProcessList( list );
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        iUidList = list; 	//TODO: to get it into the engine
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        CleanupStack::PopAndDestroy( &list );
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        }
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    // Restore memory tracking categories 
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    if ( version > 3 )
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        {
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        swmtConfig.iEnabledCategories = stream.ReadInt32L();
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        }
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    // Write heap tracking thread name filter 
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    if ( version > 4 )
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        {
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        TInt len = stream.ReadInt32L();
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        if ( len > 0 )
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            {
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            stream.ReadL( swmtConfig.iThreadNameFilter, len );
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            }
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        }
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    // Write mode
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    if ( version > 5 )
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        {
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        swmtConfig.iMode = (TMemSpyEngineHelperSysMemTrackerConfig::TMemSpyEngineSysMemTrackerMode)stream.ReadInt32L();
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        }
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    //CMemSpyEngineHelperSysMemTracker& swmt = iEngine.HelperSysMemTracker();
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    //swmt.SetConfigL( swmtConfig );
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    //iMemSpySession.SetSwmtConfig( swmtConfig );
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    iSwmtConfig = swmtConfig; 	//TODO: to get it into the engine
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    CleanupStack::PopAndDestroy( &stream ); // Closes file    
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    }
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