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 

    19 #ifndef LOADGEN_MEMORYEAT_H

    20 #define LOADGEN_MEMORYEAT_H

    21 

    22 // INCLUDES

    23 #include <e32std.h>

    24 #include <e32base.h>

    25 #include <f32file.h>

    26 

    27 #include "loadgen_loadbase.h"

    28 #include "loadgen_loadattributes.h"

    29 

    30 

    31 // FORWARD DECLARATIONS

    32 

    33 

    34 

    35 // CLASS DECLARATIONS

    36 

    37 class CMemoryEat : public CLoadBase

    38     {

    39 public:

    40     static CMemoryEat* NewL(TMemoryEatAttributes& aAttributes, TInt aReferenceNumber);

    41     virtual ~CMemoryEat();

    42         

    43 private: // Constructors

    44     CMemoryEat(TMemoryEatAttributes& aAttributes, TInt aReferenceNumber);

    45     void ConstructL();  

    46 

    47 public:  // New methods

    48     virtual void Resume();

    49     virtual void Suspend();

    50     virtual void SetPriority();

    51     virtual void Close();

    52     virtual TPtrC Description();

    53     inline TMemoryEatAttributes& Attributes() { return iAttributes; }

    54 

    55 public:  // New static methods

    56     static TInt ThreadFunction(TAny* aThreadArg);

    57 private:

    58     static void GenerateLoad(TMemoryEatAttributes& aAttributes);

    59 

    60 private: // Data

    61     TMemoryEatAttributes    iAttributes;    

    62     RThread                 iThread;

    63     };

    64 

    65 

    66 class CMemoryEatManager : public CActive

    67     {

    68 public:

    69     static CMemoryEatManager* NewL(TMemoryEatAttributes& aAttributes);

    70     ~CMemoryEatManager();

    71 

    72 private:

    73     CMemoryEatManager(TMemoryEatAttributes& aAttributes);

    74     void ConstructL();

    75 

    76 private:

    77     void RunL();

    78     void DoCancel();

    79 

    80 private:

    81     static TInt PeriodicTimerCallBack(TAny* aAny);

    82     void InitMemoryEatL();

    83     void DestroyMemoryEat();

    84     void EatMemoryL();

    85     void DoEatMemoryL( TInt64 aNewSize );

    86     void HandleEatMemoryL( TInt64 aNewSize );

    87     void AllocMemoryL( TInt64 aNewSize );

    88     void FreeMemoryL( TInt64 aNewSize );

    89     TInt64 ReadFreeMemory();

    90     

    91 

    92 public:

    93     inline CPeriodic* PeriodicTimer() { return iPeriodicTimer; }

    94 

    95 private:

    96     TMemoryEatAttributes&   iAttributes;    

    97     CPeriodic*              iPeriodicTimer;

    98     RChunk                  iEatChunk;

    99     RFile                   iEatFile;

   100     RFs                     iFs;

   101     TBool                   iWavyEatMoreMemory;

   102     TInt     iFilesCounter;

   103     };

   104      

   105 

   106 #endif