/*

* 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 MEMSPYDRIVERHEAPSTATISTICS_H

#define MEMSPYDRIVERHEAPSTATISTICS_H

// System includes

#include <e32cmn.h>

class TMemSpyHeapWalkStatistics

    {

public:

    // Total number of cells enumerated

    TInt iNumberOfWalkedCells;

    // The type of the last cell

    TMemSpyDriverCellType iLastCellType;

    // The address of the last cell

    TLinAddr iLastCellAddress;

public: // Free cell related

    // The address of the first free heap cell

    TLinAddr iFirstFreeCellAddress;

    // The length of the first free heap cell

    TUint iFirstFreeCellLength;

    // Whether the last cell in the entire heap was a free cell

    // (i.e. slack space)

    TBool iLastCellWasFreeCell;

    // The length of the last free cell in the heap

    TUint iLastFreeCellLength;

    // The total amount of free space in the heap

    TUint iTotalFreeSpace;

    // The number of free heap cells

    TUint iFreeCellCount;

    // The size of the largest free cell

    TUint iLargestCellSizeFree;

    // The previous largest free cell size

    TUint iLargestCellSizeFreePrevious;

    // The address of the largest free cell

    TLinAddr iLargestCellAddressFree;

    // The previous address of the largest free cell

    TUint iLargestCellAddressFreePrevious;

    // The overhead associated with a free cell (header length)

    // The slace space at the end of the heap

    TUint iSlackSpace;

    // The address of the slack space cell

    TLinAddr iSpackSpaceCellAddress;

    // A very simple XOR checksum of all the free cell addresses that were

    // detected during the heap navigation

    TUint32 iFreeCellCRC;

public: // Alloc cell related

    // The number of allocated heap cells

    TUint iAllocCellCount;

    // The size of the largest allocated cell

    TUint iLargestCellSizeAlloc;

    // The address of the largest allocated cell

    TLinAddr iLargestCellAddressAlloc;

    // The overhead associated with an allocated cell (header length)

public: // Common

    // The total amount of allocated space in the heap

    TUint iTotalAllocSpace;

    };

#endif