/*

* 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 "MemSpyEngineHelperSysMemTrackerEntryGlobalData.h"

// System includes

#include <e32base.h>

#include <badesca.h>

// Driver includes

#include <memspy/driver/memspydriverclient.h>

// User includes

#include <memspy/engine/memspyengine.h>

#include <memspy/engine/memspyengineutils.h>

#include <memspy/engine/memspyengineoutputsink.h>

#include <memspy/engine/memspyengineoutputlist.h>

#include <memspy/engine/memspyenginehelperchunk.h>

#include <memspy/engine/memspyengineobjectthread.h>

#include <memspy/engine/memspyengineobjectprocess.h>

#include <memspy/engine/memspyengineobjectcontainer.h>

#include <memspy/engine/memspyenginehelpercodesegment.h>

#include "MemSpyEngineHelperSysMemTrackerImp.h"

#include <memspy/engine/memspyenginehelpersysmemtrackercycle.h>

#include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>

CMemSpyEngineHelperSysMemTrackerGlobalData::CMemSpyEngineHelperSysMemTrackerGlobalData( CMemSpyEngineHelperSysMemTrackerImp& aTracker )

:   CMemSpyEngineHelperSysMemTrackerEntry( aTracker, EMemSpyEngineSysMemTrackerTypeGlobalData )

    {

    }

CMemSpyEngineHelperSysMemTrackerGlobalData::~CMemSpyEngineHelperSysMemTrackerGlobalData()

    {

    delete iChunkName;

    delete iLast;

    }

void CMemSpyEngineHelperSysMemTrackerGlobalData::ConstructL( CMemSpyProcess& aProcess, const TMemSpyDriverChunkInfo& aChunkInfo )

    {

    iCurrent = aChunkInfo;

    //

    SetProcess( aProcess.Id() );

    SetHandle( aChunkInfo.iHandle );

    if  ( aChunkInfo.iType == EMemSpyDriverChunkTypeGlobalData )

        {

        // Pure global data, unique chunk

        iLast = new(ELeave) TMemSpyDriverChunkInfo();

        *iLast = aChunkInfo;

        }

    else if ( aChunkInfo.iType == EMemSpyDriverChunkTypeStackAndProcessGlobalData )

        {

        // Mostly stack, possibly some global data too. Get the global data size from

        // the code seg associated with the process.

        CMemSpyEngineCodeSegList* codeSegs = Engine().HelperCodeSegment().CodeSegmentListL( aProcess.Id() );

        CleanupStack::PushL( codeSegs );

        // We're looking for the process codesegment...

        TFileName* fileName = new(ELeave) TFileName();

        CleanupStack::PushL( fileName );

        aProcess.GetFileName( *fileName );

        const TInt pos = codeSegs->IndexByName( *fileName );

        CleanupStack::PopAndDestroy( fileName );

        // Get total data size

        if  ( pos >= 0 )

            {

            const CMemSpyEngineCodeSegEntry& entry = codeSegs->At( pos );

            const TCodeSegCreateInfo& createInfo = entry.CreateInfo();

            iCurrent.iSize = Engine().Driver().RoundToPageSize( createInfo.iTotalDataSize );

            // If there is no data, then we don't want an entry in the list, so bail out.

            if  ( iCurrent.iSize == 0 )

                {

                User::Leave( KErrNotSupported );

                }

            }

        CleanupStack::PopAndDestroy( codeSegs );

        }

    iChunkName = aChunkInfo.iName.AllocL();

    }

CMemSpyEngineHelperSysMemTrackerGlobalData* CMemSpyEngineHelperSysMemTrackerGlobalData::NewLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker, CMemSpyProcess& aProcess, const TMemSpyDriverChunkInfo& aChunkInfo )

    {

    CMemSpyEngineHelperSysMemTrackerGlobalData* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerGlobalData( aTracker );

    CleanupStack::PushL( self );

    self->ConstructL( aProcess, aChunkInfo );

    return self;

    }

void CMemSpyEngineHelperSysMemTrackerGlobalData::UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& aEntry )

    {

    const CMemSpyEngineHelperSysMemTrackerGlobalData& entry = static_cast< const CMemSpyEngineHelperSysMemTrackerGlobalData& >( aEntry );

    __ASSERT_ALWAYS( entry.IsProcessGlobalData() == IsProcessGlobalData(), User::Panic(_L("MemSpySysMemT"), __LINE__ ) );

    if  ( !IsProcessGlobalData() )

        {

        // Update state

        *iLast = iCurrent;

        iCurrent = entry.iCurrent;

        }

    }

TBool CMemSpyEngineHelperSysMemTrackerGlobalData::HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& /*aConfig*/ ) const

    {

    TBool hasChanged = EFalse;

    //

    if  ( !IsProcessGlobalData() )

        {

        hasChanged = ( iCurrent.iSize != iLast->iSize );

        }

    //

    return hasChanged;

    }

void CMemSpyEngineHelperSysMemTrackerGlobalData::CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )

    {

    CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData* changeDescriptor = CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::NewLC( Attributes(), *iChunkName, iCurrent, IsNew() ? NULL : iLast );

    aCycle.AddAndPopL( changeDescriptor );

    }

void CMemSpyEngineHelperSysMemTrackerGlobalData::UpdateCycleStatistics( CMemSpyEngineHelperSysMemTrackerCycle& aCycle )

    {

    const TInt size = CurrentGlobalDataSize();

    aCycle.AddToMemoryUsed( size );

    }

TBool CMemSpyEngineHelperSysMemTrackerGlobalData::IsProcessGlobalData() const

    {

    return ( iLast == NULL );

    }

TInt CMemSpyEngineHelperSysMemTrackerGlobalData::CurrentGlobalDataSize() const

    {

    const TInt size = iCurrent.iSize;

    return size;

    }

CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData( TUint8 aAttribs, const TMemSpyDriverChunkInfoWithoutName& aCurrent )

:   CMemSpyEngineHelperSysMemTrackerCycleChange( aAttribs ), iCurrent( aCurrent )

    {

    }

CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::~CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData()

    {

    delete iLast;

    delete iChunkName;

    }

void CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::ConstructL( const TDesC& aChunkName, const TMemSpyDriverChunkInfoWithoutName* aLast )

    {

    BaseConstructL();

    // Save the thread name

    iChunkName = aChunkName.AllocL();

    // Save last heap data (if available)

    if  ( aLast )

        {

        iLast = new (ELeave) TMemSpyDriverChunkInfoWithoutName();

        *iLast = *aLast;

        }

    }

CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData* CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::NewLC( TUint8 aAttribs, const TDesC& aChunkName, const TMemSpyDriverChunkInfoWithoutName& aCurrent, const TMemSpyDriverChunkInfoWithoutName* aLast )

    {

    CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData* self = new(ELeave) CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData( aAttribs, aCurrent );

    CleanupStack::PushL( self );

    self->ConstructL( aChunkName, aLast );

    return self;

    }

TMemSpyEngineSysMemTrackerType CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::Type() const

    {

    return EMemSpyEngineSysMemTrackerTypeGlobalData;

    }

void CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::OutputHeaderL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )

    {

    _LIT( KHeaderGlobalData, "Type, Process, Chunk, Handle, Base Addr, Size, Max Size, Attribs");

    aSink.OutputLineL( KHeaderGlobalData );

    }

void CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::OutputContentL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )

    {

    _LIT( KFormat, "%S,%S,%S,0x%08x,0x%08x,%d,%d,%S" );

    //

    TMemSpySWMTTypeName type;;

    FormatType( type );

    //

    TBuf<20> attribs;

    FormatAttributes( attribs );

    //

    HBufC* buf = HBufC::NewLC( 1024 );

    TPtr pBuf(buf->Des());

    // Try to get associated process name

    TPtrC pProcessName( KNullDesC );

    CMemSpyEngine& engine = aSink.Engine();

    const TInt procIndex = engine.Container().ProcessIndexById( iCurrent.iOwnerId );

    if  ( procIndex >= 0 )

        {

        CMemSpyProcess& process = engine.Container().At( procIndex );

        pProcessName.Set( process.Name() );

        }

    // Now output line

    pBuf.Format( KFormat, 

                 &type,

                 &pProcessName, 

                 iChunkName,

                 iCurrent.iHandle,

                 iCurrent.iBaseAddress,

                 iCurrent.iSize,

                 iCurrent.iMaxSize,

                 &attribs

                 );

    aSink.OutputLineL( pBuf );

    CleanupStack::PopAndDestroy( buf );

    }

void CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData::OutputDataL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& /*aCycle*/ )

    {

    }