1 // Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Trace Core

    15 //

    16 

    17 #include "TraceCoreHandler.h"

    18 #include "TraceCore.h"

    19 #include "TraceCoreDebug.h"

    20 #include "OstTraceDefinitions.h"

    21 #ifdef OST_TRACE_COMPILER_IN_USE

    22 #include "TraceCoreHandlerTraces.h"

    23 #endif

    24 

    25 

    26 

    27 /**

    28  * Constructor

    29  */

    30 DTraceCoreHandler::DTraceCoreHandler()

    31 : iWriter( NULL )

    32 , iSettings( NULL )

    33     {

    34     }

    35 

    36 

    37 /**

    38  * Destructor

    39  */

    40 DTraceCoreHandler::~DTraceCoreHandler()

    41     {

    42     iWriter = NULL;

    43     Unregister();

    44     }

    45     

    46 

    47 /**

    48  * Called before SetWriter with interrupts enabled

    49  * 

    50  * @param aWriter The new writer

    51  */       

    52 void DTraceCoreHandler::PrepareSetWriter( DTraceCoreWriter* /*aWriter*/ )

    53     {

    54     }

    55 

    56 

    57 /**

    58  * Sets active writer

    59  * 

    60  * @param aWriter The new writer

    61  */       

    62 void DTraceCoreHandler::SetWriter( DTraceCoreWriter* aWriter )

    63     {

    64     iWriter = aWriter;

    65     }

    66 

    67 

    68 /**

    69  * Sets active settings (saver)

    70  * 

    71  * @param aSettings The new settings

    72  */       

    73 void DTraceCoreHandler::SetSettings( DTraceCoreSettings* aSettings )

    74     {

    75     iSettings = aSettings;

    76     }

    77 

    78 

    79 /**

    80  * Registers this handler to TraceCore

    81  */

    82 TInt DTraceCoreHandler::Register()

    83     {

    84     TInt ret = KErrGeneral;

    85     

    86     // Get TraceCore

    87     DTraceCore* traceCore = DTraceCore::GetInstance();

    88     if ( traceCore != NULL )

    89         {      

    90         // Register this as a handler

    91         ret = traceCore->RegisterHandler( *this );

    92         }

    93     OstTrace1( TRACE_IMPORTANT , DTRACECOREHANDLER_REGISTER_NO_TRACECORE, "DTraceCoreHandler::Register - %d", ret);

    94     return ret;

    95     }

    96 

    97 

    98 /**

    99  * Unregisters this handler from trace core

   100  */

   101 void DTraceCoreHandler::Unregister()

   102     {

   103     OstTrace0( TRACE_FLOW, DTRACECOREHANDLER_UNREGISTER_ENTRY, "> DTraceCoreHandler::Unregister");

   104     // Get TraceCore

   105     DTraceCore* traceCore = DTraceCore::GetInstance();

   106     if ( traceCore != NULL )

   107         {

   108         // Unregister this handler

   109         traceCore->UnregisterHandler( *this );

   110         }

   111     }

   112 

   113 // End of File