/*

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

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Definitions for the class CLibraryEventHandler.

*

*/

// INCLUDE FILES

#include "atlog.h"

#include "analyzetooleventhandler.h"

#include "analyzetooleventhandlernotifier.h"

#include "analyzetoolmemoryallocator.h"

#include "analyzetoolfastlog.h"

// -----------------------------------------------------------------------------

// CLibraryEventHandler::~CLibraryEventHandler()

// Destructor.

// -----------------------------------------------------------------------------

//

CLibraryEventHandler::~CLibraryEventHandler()

    {

    LOGSTR1( "ATMH CLibraryEventHandler::~CLibraryEventHandler()" );

    Cancel();

    }

// -----------------------------------------------------------------------------

// CLibraryEventHandler::RunL()

// Process active object's task

// -----------------------------------------------------------------------------

//

void CLibraryEventHandler::RunL()

    {

    LOGSTR1( "ATMH CLibraryEventHandler::RunL()" );

    if ( KErrNone != iStatus.Int() )

        {

        LOGSTR2( "ATMH RunL error: %i",  iStatus.Int() );

        return;

        }

    // Acquire the mutex

    iMutex.Wait();

    // Check that this is observed process 

    if ( iLibraryInfo.iEventType == TLibraryEventInfo::ELibraryAdded )

        {

        LOGSTR1( "ATMH CLibraryEventHandler::RunL() - TLibraryEventInfo::ELibraryAdded" );

        if ( iLibraryInfo.iProcessId == iProcessId )

            {

            TInt error( KErrNone );

            // Log library load event.

            if ( iLogOption == EATLogToTraceFast )

                {

                LOGSTR1( "ATMH CLibraryEventHandler::RunL() - ATFastLog.LogDllLoaded() " );

                ATFastLogDllLoaded( iProcessId,

                        iLibraryInfo.iLibraryName, 

                        iLibraryInfo.iRunAddress,

                        iLibraryInfo.iRunAddress + iLibraryInfo.iSize );

                }

            if ( KErrNone == error )

                {

                iCodeblocks.Append( TCodeblock( iLibraryInfo.iRunAddress, 

                        iLibraryInfo.iSize, 

                        iLibraryInfo.iLibraryName ) );

                }

            }

        }

    else if ( iLibraryInfo.iEventType == TLibraryEventInfo::ELibraryRemoved )

        {

        LOGSTR1( "ATMH CLibraryEventHandler::RunL() - TLibraryEventInfo::ELibraryRemoved " );

        TInt count = iCodeblocks.Count();

        LOGSTR2( "ATMH count of code blocks: %i",  count );

        for ( TInt i = 0; i < count; i++ )

            {

            if ( iCodeblocks[ i ].Match( iLibraryInfo.iLibraryName ) )

                {

                TBuf8<KMaxLibraryName> libraryName;

                libraryName.Copy( iLibraryInfo.iLibraryName );

                // Log library unloaded event

                if ( iLogOption == EATLogToTraceFast )

                    {

                    LOGSTR1( "ATMH CLibraryEventHandler::RunL() - ATFastLogDllUnloaded() " );

                    ATFastLogDllUnloaded( iProcessId,

                            libraryName,

                            iLibraryInfo.iRunAddress, 

                            iLibraryInfo.iRunAddress + iLibraryInfo.iSize );

                    }

                iCodeblocks.Remove( i );

                break;

                }

            }

        }

    else if ( iLibraryInfo.iEventType == TLibraryEventInfo::EKillThread )

		{

		LOGSTR1( "ATMH CLibraryEventHandler::RunL() - TLibraryEventInfo::EKillThread" );

		iNotifier.RemoveKilledThread( iLibraryInfo.iThreadId );

    	}

    Start();

    // Release the mutex

    iMutex.Signal();

    }

// -----------------------------------------------------------------------------

// CLibraryEventHandler::DoCancel()

// Cancels active object's task

// -----------------------------------------------------------------------------

//

void CLibraryEventHandler::DoCancel()

    {

    LOGSTR1( "ATMH CLibraryEventHandler::DoCancel()" );

    // Cancel the subscription of the library events

    if ( IsActive() )

        {

        iStarted = EFalse;

        iAnalyzeTool.CancelLibraryEvent();

        }

    }

// -----------------------------------------------------------------------------

// CLibraryEventHandler::Start()

// Creates CActiveScheduler and variables for the child thread

// -----------------------------------------------------------------------------

//

void CLibraryEventHandler::Start()

    {

    LOGSTR1( "ATMH CLibraryEventHandler::Start()" );

    // Acquire the mutex

    iMutex.Wait();

    if ( !IsAdded() )

        {

        CActiveScheduler::Add( this );

        }

    // Cancel current subscribetion

    if ( IsActive() )

        {

        iStarted = EFalse;

        Cancel();

        }

    iStatus = KErrNone;

    iAnalyzeTool.LibraryEvent( iStatus, iLibraryInfo );

    SetActive();

    iStarted = ETrue;

    // Release the mutex

    iMutex.Signal();

    }

// -----------------------------------------------------------------------------

// CLibraryEventHandler::CLibraryEventHandler()

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CLibraryEventHandler::CLibraryEventHandler( RAnalyzeTool& aAnalyzeTool, 

	TUint aProcessId, RMutex& aMutex, 

	MAnalyzeToolEventhandlerNotifier& aNotifier,

 :	CActive( EPriorityNormal ),

    iAnalyzeTool( aAnalyzeTool ),

    iCodeblocks( aCodeblocks ),

    iProcessId( aProcessId ),

    iMutex( aMutex ),

    iStarted( EFalse ),

    iNotifier( aNotifier ),

    {

    LOGSTR1( "ATMH CLibraryEventHandler::CLibraryEventHandler()" );

    }

// -----------------------------------------------------------------------------

// CLibraryEventHandler::IsStarted()

// Returns eventhandler's state.

// -----------------------------------------------------------------------------

//

TBool CLibraryEventHandler::IsStarted()

    {

    LOGSTR2( "ATMH CLibraryEventHandler::IsStarted(%i)", iStarted );

    return iStarted;

    }

// End of File