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:  Declaration of the class CLibraryEventHandler.

    15 *

    16 */

    17 

    18 

    19 #ifndef ANALYZETOOLEVENTHANDLER_H

    20 #define ANALYZETOOLEVENTHANDLER_H

    21 

    22 // INCLUDES

    23 #include <e32cmn.h>

    24 #include "Codeblock.h"

    25 #include <analyzetool/atstorageserverclnt.h>

    26 #include <analyzetool/analyzeTool.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class MAnalyzeToolEventhandlerNotifier;

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34 *  Class for receiving library load/unlaod events from the kernel   

    35 */

    36 class CLibraryEventHandler : public CActive

    37     {

    38     

    39     public: 

    40 

    41         /**

    42         * C++ default constructor.

    43         * @param aAnalyzeTool A reference to the <code>RAnalyzeTool</code> 

    44                  which is used to observe kernel events 

    45         * @param aCodeblocks A reference to array of code segments

    46         * @param aStorageServer A reference to the 

    47         *                       <code>RATStorageServer</code> which is 

    48         *                       used to store kernel events

    49         * @param aProcessId A reference to the observed process id

    50         * @param aMutex A reference to mutex to schedule access to the 

    51         *                   shared resources

    52         * @param aNotifier A reference to notifier object which is used to 

    53         * 					inform killed threads

    54         * @param aLogOption Current used log option on allocator.

    55         */

    56         CLibraryEventHandler( RAnalyzeTool& aAnalyzeTool, 

    57                 RArray<TCodeblock>& aCodeblocks, 

    58                 RATStorageServer& aStorageServer, 

    59                 TUint aProcessId,

    60                 RMutex& aMutex,

    61                 MAnalyzeToolEventhandlerNotifier& aNotifier,

    62                 TUint32 aLogOption );

    63 

    64         /**

    65         * Destructor.

    66         */

    67         ~CLibraryEventHandler();

    68 

    69         /* Start receiving events from the kernel */

    70         void Start();

    71         

    72         /**

    73         * Returns eventhandler's state.

    74         * @return TBool ETrue if eventhandler is started, EFalse otherwise

    75         */

    76         TBool IsStarted();

    77 

    78     protected: // Functions from base classes

    79         

    80         /**

    81         * Process active object's task

    82         */

    83         void RunL();

    84 

    85         /**

    86         * Cancels active object's task

    87         */

    88         void DoCancel();

    89  

    90     private: // Member variables

    91 

    92         /* Handle to the analyze tool device driver*/

    93         RAnalyzeTool& iAnalyzeTool; 

    94 

    95         /* A reference to codeblocks of the observed process */

    96         RArray<TCodeblock>& iCodeblocks;

    97 

    98         /* Handle to the storage server*/

    99         RATStorageServer& iStorageServer;

   100 

   101         /* The observered process id */ 

   102         TUint iProcessId;

   103 

   104         /* The library info */

   105         TLibraryEventInfo iLibraryInfo;

   106 

   107         /* The mutex for serializing access to the shared resources */

   108         RMutex& iMutex;

   109         

   110         /* Inform if handler is started */

   111         TBool iStarted;

   112         

   113         /* A reference to event handler notifier */

   114         MAnalyzeToolEventhandlerNotifier& iNotifier;

   115 

   116         /* Current used log option */

   117         TUint32 iLogOption;

   118     };

   119 

   120 #endif // ANALYZETOOLEVENTHANDLER_H

   121 

   122 // End of File