tracesrv/tracecore/btrace_handler/src/TraceCoreTraceActivationIf.cpp
changeset 56 aa2539c91954
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54:a151135b0cf9 56:aa2539c91954
       
     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 // Implementation of Trace activation interface
       
    15 // 
       
    16 
       
    17 #include "TraceCore.h"
       
    18 #include "TraceCoreTraceActivationIf.h"
       
    19 #include "BTraceOstCategoryBitmap.h"
       
    20 #include "OstTraceDefinitions.h"
       
    21 #ifdef OST_TRACE_COMPILER_IN_USE
       
    22 #include "TraceCoreTraceActivationIfTraces.h"
       
    23 #endif
       
    24 
       
    25 
       
    26 
       
    27 
       
    28 /**
       
    29  * Constructor
       
    30  */
       
    31 DTraceActivationIf::DTraceActivationIf()
       
    32     {
       
    33     }
       
    34 
       
    35 
       
    36 /**
       
    37  * Destructor
       
    38  */
       
    39 DTraceActivationIf::~DTraceActivationIf()
       
    40     {
       
    41     }
       
    42     
       
    43     
       
    44 /**
       
    45  * Activate trace group
       
    46  *
       
    47  * @param aComponentId The component ID
       
    48  * @param aGroupId The group ID
       
    49  */
       
    50 EXPORT_C void DTraceActivationIf::ActivateTrace( TUint32 aComponentId, TUint32 aGroupId )
       
    51     {    
       
    52     // Get TraceCore
       
    53     DTraceCore* traceCore = DTraceCore::GetInstance();
       
    54     if ( traceCore != NULL )
       
    55         {
       
    56         MTraceCoreActivation* activation = traceCore->GetActivation( aComponentId );
       
    57         if ( activation != NULL )
       
    58             {
       
    59             activation->ActivateTrace( aComponentId, aGroupId );
       
    60             }
       
    61         }
       
    62     }
       
    63     
       
    64     
       
    65 /**
       
    66  * Deactivate trace group
       
    67  *
       
    68  * @param aComponentId The component ID
       
    69  * @param aGroupId The group ID
       
    70  */    
       
    71 EXPORT_C void DTraceActivationIf::DeactivateTrace( TUint32 aComponentId, TUint32 aGroupId )
       
    72     {
       
    73     OstTraceExt2( TRACE_BORDER, DTRACEACTIVATIONIF_DEACTIVATETRACE_ENTRY,"> DTraceActivationIf::DeactivateTrace. CID:0x%x GID:0x%x", aComponentId, aGroupId );
       
    74     // Get TraceCore
       
    75     DTraceCore* traceCore = DTraceCore::GetInstance();
       
    76     if ( traceCore != NULL )
       
    77         {
       
    78         MTraceCoreActivation* activation = traceCore->GetActivation( aComponentId );
       
    79         if ( activation != NULL )
       
    80             {
       
    81             activation->DeactivateTrace( aComponentId, aGroupId );
       
    82             }
       
    83         }
       
    84 
       
    85     }
       
    86 
       
    87 /**
       
    88  * Check if a Trace is activated for the supplied component and group id
       
    89  *
       
    90  * @param aComponentId The component ID
       
    91  * @param aGroupId The group ID
       
    92  * @return returns ETrue if trace is activated otherwise EFalse
       
    93  */    
       
    94 EXPORT_C TBool DTraceActivationIf::IsTraceActivated(TUint32 aComponentId, TUint32 aGroupId)
       
    95     {
       
    96     TBool ret = EFalse;
       
    97     
       
    98     DTraceCore* traceCore = DTraceCore::GetInstance();
       
    99     if (traceCore != NULL)
       
   100         {
       
   101         MTraceCoreActivation* activation = traceCore->GetActivation(aComponentId);
       
   102         if (activation != NULL)
       
   103             {
       
   104             if(activation->IsComponentSupported(aComponentId))
       
   105                 {
       
   106                 RArray<TUint> groups = activation->GetActivatedGroups(aComponentId);
       
   107                 
       
   108                 const TUint8 KGroupId = (TUint8)aGroupId;
       
   109                 
       
   110                 for(TInt i=0;i<groups.Count();i++)
       
   111                     {
       
   112                     if( (TUint8)groups[i] == KGroupId)
       
   113                         {
       
   114                         ret = ETrue;
       
   115                         break;
       
   116                         }
       
   117                     }
       
   118                 }
       
   119             } 
       
   120         else
       
   121             {
       
   122             OstTrace0(TRACE_IMPORTANT,DTRACEACTIVATIONIF_DEACTIVATETRACE_NO_ACTIVATION,"DTraceActivationIf::IsTraceActivated - No activation interface");
       
   123             }
       
   124         }
       
   125     else
       
   126         {
       
   127         OstTrace0(TRACE_IMPORTANT,DTRACEACTIVATIONIF_DEACTIVATETRACE_NULL_TRACECORE,"DTraceActivationIf::IsTraceActivated - NULL TraceCore");
       
   128         }
       
   129    
       
   130     return ret;    
       
   131     }
       
   132 
       
   133 
       
   134 /**
       
   135  * Reactivate all currently activated traces
       
   136  *
       
   137  * @return KErrNone if refresh successful
       
   138  */
       
   139 EXPORT_C TInt DTraceActivationIf::RefreshActivations()
       
   140     {    
       
   141     // Get TraceCore
       
   142     DTraceCore* traceCore = DTraceCore::GetInstance();
       
   143     if ( traceCore != NULL )
       
   144         {
       
   145         return traceCore->RefreshActivations();
       
   146         }
       
   147     return KErrNotReady;
       
   148     }
       
   149