/*

* 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:

*

*/

#ifndef MEMSPYDRIVERLOGICALCHANHEAPINFO_H

#define MEMSPYDRIVERLOGICALCHANHEAPINFO_H

// System includes

#include <e32cmn.h>

#include <kern_priv.h>

#ifdef __MARM__

#include <arm.h>

#endif

#include <memspy/driver/memspydriverobjectsshared.h>

#include <memspy/driver/memspydriverenumerationsshared.h>

// User includes

#include "MemSpyDriverOpCodes.h"

#include "MemSpyDriverLogChanHeapBase.h"

#include "MemSpyDriverObjectsInternal.h"

#include "MemSpyDriverHeapWalker.h"

#include "MemSpyDriverEnumerationsInternal.h"

// Classes referenced

class DMemSpyDriverDevice;

class RMemSpyDriverRHeapKernel;

class RMemSpyMemStreamWriter;

class DMemSpyDriverLogChanHeapInfo : public DMemSpyDriverLogChanHeapBase

	{

public:

	DMemSpyDriverLogChanHeapInfo( DMemSpyDriverDevice& aDevice, DThread& aThread );

	~DMemSpyDriverLogChanHeapInfo();

private: // from DMemSpyDriverLogChanBase

	TInt Request( TInt aFunction, TAny* a1, TAny* a2 );

    TBool IsHandler( TInt aFunction ) const;

private: // Channel operation handlers

    TInt GetHeapInfoUser( TMemSpyDriverInternalHeapRequestParameters* aParams );

    TInt GetHeapInfoKernel( TMemSpyDriverInternalHeapRequestParameters* aParams, TDes8* aTransferBuffer );

    TInt GetIsDebugKernel(TAny* aIsDebugKernel);

private: // From MHeapWalkerObserver

    void HandleHeapWalkInit();

    TBool HandleHeapCell( TMemSpyDriverCellType aCellType, TAny* aCellAddress, TInt aLength, TInt aNestingLevel, TInt aAllocNumber );

private: // Internal methods

	void ReleaseCellList();

    TInt PrepareCellListTransferBuffer();

	TInt FetchCellList(TDes8* aBufferSink);

    TInt CalculateCellListBufferSize() const;

private: // Data members

    TMemSpyDriverInternalHeapRequestParameters iHeapInfoParams;

	RArray<TMemSpyDriverCell> iCellList;

    RMemSpyMemStreamWriter* iHeapStream;

	};

#endif