1 /*

     2 * Copyright (c) 2010 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 #include <e32hal.h>

    27 

    28 #include "loadgen_loadbase.h"

    29 #include "loadgen_loadattributes.h"

    30 

    31 

    32 // FORWARD DECLARATIONS

    33 

    34 

    35 

    36 // CLASS DECLARATIONS

    37 

    38 class CMemoryEat : public CLoadBase

    39     {

    40 public:

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

    42     virtual ~CMemoryEat();

    43         

    44 private: // Constructors

    45     CMemoryEat(TMemoryEatAttributes& aAttributes, TInt aReferenceNumber);

    46     void ConstructL();  

    47 

    48 public:  // New methods

    49     virtual void Resume();

    50     virtual void Suspend();

    51     virtual void SetPriority();

    52     virtual void Close();

    53     virtual TPtrC Description();

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

    55 	inline void SetAttributes(TMemoryEatAttributes aAttributes) { iAttributes = aAttributes; }

    56 

    57 public:  // New static methods

    58     static TInt ThreadFunction(TAny* aThreadArg);

    59 private:

    60     static void GenerateLoad(TMemoryEatAttributes& aAttributes);

    61 

    62 private: // Data

    63     TMemoryEatAttributes    iAttributes;    

    64     RThread                 iThread;

    65     };

    66 

    67 

    68 class CMemoryEatManager : public CActive

    69     {

    70 public:

    71     static CMemoryEatManager* NewL(TMemoryEatAttributes& aAttributes);

    72     ~CMemoryEatManager();

    73 

    74 private:

    75     CMemoryEatManager(TMemoryEatAttributes& aAttributes);

    76     void ConstructL();

    77 

    78 private:

    79     void RunL();

    80     void DoCancel();

    81 

    82 private:

    83     static TInt PeriodicTimerCallBack(TAny* aAny);

    84     void InitMemoryEatL();

    85     void DestroyMemoryEat();

    86     void EatMemoryL();

    87     void DoEatMemoryL( TInt64 aNewSize );

    88     void HandleEatMemoryL( TInt64 aNewSize );

    89     void AllocMemoryL( TInt64 aNewSize );

    90     void FreeMemoryL( TInt64 aNewSize );

    91     TInt64 ReadFreeMemory();

    92     

    93 

    94 public:

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

    96 

    97 private:

    98     TMemoryEatAttributes&   iAttributes;    

    99     CPeriodic*              iPeriodicTimer;

   100     RChunk                  iEatChunk;

   101     RFile                   iEatFile;

   102     RFs                     iFs;

   103     TBool                   iWavyEatMoreMemory;

   104     TInt     iFilesCounter;

   105     };

   106      

   107 

   108 #endif