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 // Base class for notification receivers of TraceCore

    15 //

    16 

    17 #include "TraceCoreNotificationReceiver.h"

    18 #include "TraceCore.h"

    19 #include "TraceCoreNotifier.h"

    20 #include "TraceCoreDebug.h"

    21 #include "TraceCoreConstants.h"

    22 #include "OstTraceDefinitions.h"

    23 #ifdef OST_TRACE_COMPILER_IN_USE

    24 #include "TraceCoreNotificationReceiverTraces.h"

    25 #endif

    26 

    27 #include "TraceCoreTComArgMacro.h"

    28 

    29 /**

    30  * Constructor

    31  */

    32 EXPORT_C MTraceCoreNotificationReceiver::MTraceCoreNotificationReceiver()

    33     {

    34     }

    35 

    36 

    37 /**

    38  * Destructor

    39  */

    40 EXPORT_C MTraceCoreNotificationReceiver::~MTraceCoreNotificationReceiver()

    41     {

    42     UnregisterNotificationReceiver();

    43     }

    44 

    45 

    46 /**

    47  * Register notification receiver by component id

    48  * 

    49  * @param aComponentId The component ID

    50  */

    51 EXPORT_C TInt MTraceCoreNotificationReceiver::RegisterNotificationReceiver( TUint32 aComponentId )

    52     {

    53     return RegisterNotificationReceiver( aComponentId, KAllGroups );

    54     }

    55     

    56 /**

    57  * Register notification receiver by component id and group id

    58  * 

    59  * @param aComponentId The component ID

    60  * @param aGroupId The group ID 

    61  */

    62 EXPORT_C TInt MTraceCoreNotificationReceiver::RegisterNotificationReceiver( TUint32 aComponentId, TInt32 aGroupId )

    63     {

    64     OstTraceExt2( TRACE_BORDER, MTRACECORENOTIFICATIONRECEIVER_REGISTERNOTIFICATIONRECEIVER_ENTRY, "> MTraceCoreNotificationReceiver::RegisterNotificationReceiver. CID:0x%x GID:0x%x", aComponentId, aGroupId );

    65     TInt ret;

    66     

    67     // Get TraceCore

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

    69     if ( traceCore != NULL )

    70         {

    71         TNotificationReceiverItem notificationReceiverItem;

    72         notificationReceiverItem.iComponentID = aComponentId;

    73         notificationReceiverItem.iGroupID = aGroupId;

    74         notificationReceiverItem.iReceiver = this;

    75         

    76         // Register notification receiver

    77         ret = traceCore->GetNotifier().RegisterNotificationReceiver( notificationReceiverItem );

    78         }

    79     else

    80         {

    81         ret = KErrGeneral;

    82         }

    83     OstTrace1( TRACE_BORDER, MTRACECORENOTIFICATIONRECEIVER_REGISTERNOTIFICATIONRECEIVER_EXIT, "< MTraceCoreNotificationReceiver::RegisterNotificationReceiver. Ret:%d", ret );

    84     return ret;

    85     }

    86     

    87 

    88 /**

    89  * Unregister notification receiver by component id

    90  * 

    91  * @param aComponentId The component ID

    92  */

    93 EXPORT_C void MTraceCoreNotificationReceiver::UnregisterNotificationReceiver( TUint32 aComponentId )

    94     {

    95     

    96     UnregisterNotificationReceiver( aComponentId, KAllGroups );

    97     }

    98     

    99 /**

   100  * Unregister notification receiver by component id and group id

   101  * 

   102  * @param aComponentId The component ID

   103  * @param aGroupId The group ID  

   104  */

   105 EXPORT_C void MTraceCoreNotificationReceiver::UnregisterNotificationReceiver( TUint32 aComponentId, TInt32 aGroupId )

   106     {

   107     OstTraceExt2( TRACE_BORDER, MTRACECORENOTIFICATIONRECEIVER_UNREGISTERNOTIFICATIONRECEIVER_ENTRY, "> MTraceCoreNotificationReceiver::UnregisterNotificationReceiver. CID:0x%x GID:0x%x", aComponentId, aGroupId );

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

   109     if ( traceCore != NULL )

   110         {

   111         TNotificationReceiverItem notificationReceiverItem;

   112         notificationReceiverItem.iComponentID = aComponentId;

   113         notificationReceiverItem.iGroupID = aGroupId;

   114         notificationReceiverItem.iReceiver = this;

   115         traceCore->GetNotifier().UnregisterNotificationReceiver( notificationReceiverItem );

   116         }

   117     }

   118 

   119 /**

   120  * Unsubscribes all message ID's of this notification receiver

   121  */

   122 void MTraceCoreNotificationReceiver::UnregisterNotificationReceiver()

   123     {

   124     // Get TraceCore

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

   126     if ( traceCore != NULL )

   127         {

   128         

   129         // Unregister notification receiver

   130         traceCore->GetNotifier().UnregisterNotificationReceiver( *this );

   131         }

   132     }

   133 

   134 /**

   135  * Callback function for trace error

   136  * 

   137  * @param aComponentId The component ID

   138  * @param aGroupId The group ID    

   139  * @param aError The reason for error

   140  */

   141 EXPORT_C void MTraceCoreNotificationReceiver::TraceError( TUint32 TCOM_ARG(aComponentId), 

   142                                                           TUint32 TCOM_ARG(aGroupId), 

   143                                                           TInt TCOM_ARG(aError)  )

   144     {

   145     OstTraceExt3( TRACE_BORDER, MTRACECORENOTIFICATIONRECEIVER_TRACEERROR_ENTRY, "> MTraceCoreNotificationReceiver::TraceError. CID:0x%x GID:0x%x Err:%d", aComponentId, aGroupId, (TInt32) aError );

   146     }

   147 

   148 // End of File