1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef MEMSPYDRIVERLOGICALCHANHEAPDATABASE_H

    19 #define MEMSPYDRIVERLOGICALCHANHEAPDATABASE_H

    20 

    21 // System includes

    22 #include <e32cmn.h>

    23 #include <kern_priv.h>

    24 #ifdef __MARM__

    25 #include <arm.h>

    26 #endif

    27 #include <memspy/driver/memspydriverobjectsshared.h>

    28 #include <memspy/driver/memspydriverenumerationsshared.h>

    29 

    30 // User includes

    31 #include "MemSpyDriverHeap.h"

    32 #include "MemSpyDriverOpCodes.h"

    33 #include "MemSpyDriverLogChanHeapBase.h"

    34 #include "MemSpyDriverObjectsInternal.h"

    35 #include "MemSpyDriverHeapWalker.h"

    36 #include "MemSpyDriverEnumerationsInternal.h"

    37 

    38 // Classes referenced

    39 class DMemSpyDriverDevice;

    40 class RMemSpyMemStreamWriter;

    41 

    42 const static TInt KPageSize = 4096;

    43 

    44 class DMemSpyDriverLogChanHeapDataBase : public DMemSpyDriverLogChanHeapBase

    45 	{

    46 public:

    47 	DMemSpyDriverLogChanHeapDataBase( DMemSpyDriverDevice& aDevice, DThread& aThread );

    48 	~DMemSpyDriverLogChanHeapDataBase();

    49 

    50 private: // From MHeapWalkerObserver

    51     void HandleHeapWalkInit();

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

    53     

    54 protected: // For use by the base classes

    55     TInt PrepareCellListTransferBuffer();

    56     TInt FetchCellList(TDes8* aBufferSink);

    57     void ReleaseCellList();

    58     TInt CalculateCellListBufferSize() const;

    59     TInt GetFullData( TMemSpyDriverInternalHeapDataParams* aParams );

    60     TInt DoGetFullData(TMemSpyDriverInternalHeapDataParams& aParams, DThread* aThread, RMemSpyDriverRHeapBase& aHeap);

    61 

    62 protected: // To be implemetned by the base classes

    63     virtual TInt GetFullData( TMemSpyDriverInternalHeapDataParams& aParams ) = 0;

    64 

    65 protected: // Data members

    66     TMemSpyDriverInternalHeapRequestParameters iHeapInfoParams;

    67 	RArray<TMemSpyDriverCell> iCellList;

    68     RMemSpyMemStreamWriter* iHeapStream;

    69 	};

    70 

    71 

    72 #endif