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 MEMSPYDRIVERLOGICALCHANHEAPINFO_H

    19 #define MEMSPYDRIVERLOGICALCHANHEAPINFO_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 "MemSpyDriverOpCodes.h"

    32 #include "MemSpyDriverLogChanHeapBase.h"

    33 #include "MemSpyDriverObjectsInternal.h"

    34 #include "MemSpyDriverHeapWalker.h"

    35 #include "MemSpyDriverEnumerationsInternal.h"

    36 

    37 // Classes referenced

    38 class DMemSpyDriverDevice;

    39 class RMemSpyDriverRHeapKernel;

    40 class RMemSpyMemStreamWriter;

    41 

    42 

    43 class DMemSpyDriverLogChanHeapInfo : public DMemSpyDriverLogChanHeapBase

    44 	{

    45 public:

    46 	DMemSpyDriverLogChanHeapInfo( DMemSpyDriverDevice& aDevice, DThread& aThread );

    47 	~DMemSpyDriverLogChanHeapInfo();

    48 

    49 private: // from DMemSpyDriverLogChanBase

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

    51     TBool IsHandler( TInt aFunction ) const;

    52 

    53 private: // Channel operation handlers

    54     TInt GetHeapInfoUser( TMemSpyDriverInternalHeapRequestParameters* aParams );

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

    56     TInt GetIsDebugKernel(TAny* aIsDebugKernel);

    57 

    58 private: // From MHeapWalkerObserver

    59     void HandleHeapWalkInit();

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

    61 

    62 private: // Internal methods

    63 	void ReleaseCellList();

    64     TInt PrepareCellListTransferBuffer();

    65 	TInt FetchCellList(TDes8* aBufferSink);

    66     TInt CalculateCellListBufferSize() const;

    67 

    68 private: // Data members

    69     TMemSpyDriverInternalHeapRequestParameters iHeapInfoParams;

    70 	RArray<TMemSpyDriverCell> iCellList;

    71     RMemSpyMemStreamWriter* iHeapStream;

    72 	};

    73 

    74 

    75 #endif