omadrm/drmengine/notifier/src/DRMMessageStorage.cpp
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     1 /*
       
     2 * Copyright (c) 2004 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:  DRM3 Engine manages all DRM related database operations.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <e32std.h>
       
    22 #include <s32mem.h> 
       
    23 #include "DRMNotifierSession.h"
       
    24 #include "DRMEventAddRemove.h"
       
    25 #include "DRMEventModify.h"
       
    26 #include "DRMEventTimeChange.h"
       
    27 #include "drmnotifierclientserver.h"
       
    28 
       
    29 // EXTERNAL DATA STRUCTURES
       
    30 // EXTERNAL FUNCTION PROTOTYPES  
       
    31 // CONSTANTS
       
    32 // MACROS
       
    33 
       
    34 #ifdef _DRM_TESTING
       
    35 _LIT( KDateTimeFormat, "%F%Y%M%D%H%T%S%C" );
       
    36 #define _LOGBUFNUM( a, b ) { TBuf8< 64 > __b( a ); __b.AppendNum( b ); file.Write( __b ); }
       
    37 #define LOGBUFNUM( a, b ) { TBuf8< 64 > __b( a ); __b.AppendNum( b ); Log( __b ); }
       
    38 #define LOG( a ) Log( a )
       
    39 
       
    40 #else
       
    41 #define _LOGBUFNUM( a, b )
       
    42 #define LOGBUFNUM( a, b )
       
    43 #define LOG( a )
       
    44 #endif
       
    45 
       
    46 // LOCAL CONSTANTS AND MACROS
       
    47 // MODULE DATA STRUCTURES
       
    48 // LOCAL FUNCTION PROTOTYPES
       
    49 // FORWARD DECLARATIONS
       
    50 
       
    51 // ============================= LOCAL FUNCTIONS ===============================
       
    52 
       
    53 // ============================ MEMBER FUNCTIONS ===============================
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CDRMMessageStorage::NewLC
       
    57 // Two-phased constructor.
       
    58 // -----------------------------------------------------------------------------
       
    59 //
       
    60 CDRMMessageStorage* CDRMMessageStorage::NewL()
       
    61     {
       
    62     CDRMMessageStorage* self = new( ELeave ) CDRMMessageStorage();
       
    63     
       
    64     CleanupStack::PushL( self );
       
    65     
       
    66     self->ConstructL();
       
    67     
       
    68     CleanupStack::Pop( self );
       
    69     
       
    70     return self;
       
    71     }
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // Destructor
       
    75 // -----------------------------------------------------------------------------
       
    76 CDRMMessageStorage::~CDRMMessageStorage() 
       
    77     {
       
    78     for ( TInt i = 0; i < iMessages.Count();i++ )
       
    79         {
       
    80         delete iMessages[i]->iData;
       
    81         delete iMessages[i]->iMessageData;
       
    82         }
       
    83     iMessages.ResetAndDestroy();
       
    84     iSessions.Reset();
       
    85     
       
    86     LOG( _L8( "Dying..." ) );
       
    87     
       
    88 #ifdef _DRM_TESTING
       
    89     delete iLog;
       
    90 #endif
       
    91     }
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CDRMMessageStorage::AddSession
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 void CDRMMessageStorage::AddSession( CDRMNotifierSession* aSession ) 
       
    98     {
       
    99     iSessions.Append( aSession );
       
   100     };
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CDRMMessageStorage::UpdateMessage
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 void CDRMMessageStorage::UpdateMessage( TMessageData* aMessage )
       
   107     {
       
   108     TInt count = 0;
       
   109 
       
   110     aMessage->iRefCount = aMessage->iRefCount - 1;
       
   111 
       
   112     if(aMessage->iRefCount == 0)
       
   113         {
       
   114         for( count = 0; count < iMessages.Count(); count++ )
       
   115             {
       
   116             if( iMessages[count] == aMessage )
       
   117                 {
       
   118                 delete iMessages[count]->iMessageData;
       
   119                 delete iMessages[count]->iData;
       
   120                 iMessages[count]->iMessageData = 0;
       
   121                 iMessages[count]->iData = 0;
       
   122                 }
       
   123             iMessages.Remove(count);
       
   124             count = iMessages.Count();
       
   125             }
       
   126         }
       
   127     }
       
   128 // -----------------------------------------------------------------------------
       
   129 // CDRMMessageStorage::GetEventObjectLC
       
   130 // -----------------------------------------------------------------------------
       
   131 //
       
   132 MDRMEvent* CDRMMessageStorage::GetEventObjectLC( TDRMEventType aEventType )
       
   133     {
       
   134     MDRMEvent* event = NULL;
       
   135 
       
   136     switch( aEventType)
       
   137         {
       
   138         case KEventAddRemove:
       
   139             event = CDRMEventAddRemove::NewLC(ERightsObjectRecieved);
       
   140             break;
       
   141         case KEventModify:
       
   142             event = CDRMEventModify::NewLC();
       
   143             break;
       
   144         case KEventTimeChange:
       
   145             event = CDRMEventTimeChange::NewLC();
       
   146             break;
       
   147 	    default:
       
   148 	        User::Leave(KErrArgument);
       
   149 	        break;
       
   150         }           
       
   151     return event;
       
   152     }
       
   153         
       
   154 // -----------------------------------------------------------------------------
       
   155 // CDRMMessageStorage::NotifyL
       
   156 // -----------------------------------------------------------------------------
       
   157 //
       
   158 void CDRMMessageStorage::NotifyL(TDRMEventType& aEventType, const RMessage2& aMessage) 
       
   159     {
       
   160     TInt queued = EFalse;
       
   161     TMessageData* message = new (ELeave) TMessageData;
       
   162     CleanupStack::PushL(message);
       
   163     TUint8* eventBuf = static_cast<TUint8*>(User::AllocLC(DRMNotifier::KDRMSizeOfMessage));
       
   164     TPtr8 event( eventBuf,0,DRMNotifier::KDRMSizeOfMessage );
       
   165 
       
   166     message->iRefCount = 0;
       
   167     message->iEventType = aEventType;
       
   168     message->iData = 0;
       
   169     message->iMessageData = eventBuf;
       
   170 
       
   171 
       
   172     // Read the buffer:
       
   173     aMessage.ReadL( 0, event);
       
   174 
       
   175     RMemReadStream input(eventBuf, DRMNotifier::KDRMSizeOfMessage);
       
   176     MDRMEvent* eventobj = GetEventObjectLC(aEventType);
       
   177     eventobj->InternalizeL(input);
       
   178 
       
   179     // We need to extract the uri from the message
       
   180     // for those that it is needed
       
   181     switch( aEventType )
       
   182         {
       
   183         case KEventAddRemove:
       
   184             message->iData = static_cast<CDRMEventAddRemove*>(eventobj)->GetContentIDL();
       
   185             break;
       
   186         case KEventModify:
       
   187             message->iData = static_cast<CDRMEventModify*>(eventobj)->GetContentIDL();
       
   188             break;
       
   189         case KEventTimeChange:
       
   190             break;
       
   191         default:
       
   192             User::Leave(KErrArgument);
       
   193             break;
       
   194         }
       
   195     CleanupStack::PopAndDestroy(); // eventobj
       
   196     CleanupStack::PushL(message->iData);
       
   197 
       
   198     for( TInt i = 0; i < iSessions.Count();i++ )
       
   199         {
       
   200         queued = EFalse;
       
   201 
       
   202         TRAPD(error, queued = iSessions[i]->SendNotificationL( message ) );
       
   203         if( error && error != KErrNotFound )
       
   204             {
       
   205             User::LeaveIfError(error);
       
   206             }
       
   207         else if( queued )
       
   208             {
       
   209             message->iRefCount++;
       
   210             }
       
   211         }
       
   212 
       
   213     if( !message->iRefCount ) 
       
   214         {
       
   215         CleanupStack::PopAndDestroy(); // message->iData;
       
   216         CleanupStack::PopAndDestroy(); // eventBuf;
       
   217         CleanupStack::PopAndDestroy(); // message
       
   218         }
       
   219     else
       
   220         {
       
   221         iMessages.Append( message );
       
   222         CleanupStack::Pop(); // message->iData;
       
   223         CleanupStack::Pop(); // eventBuf
       
   224         CleanupStack::Pop(); // message
       
   225         }
       
   226     };
       
   227 // -----------------------------------------------------------------------------
       
   228 // CDRMMessageStorage::CancelL
       
   229 // -----------------------------------------------------------------------------
       
   230 //
       
   231 void CDRMMessageStorage::CancelL(CDRMNotifierSession* aSession)
       
   232     {
       
   233     TInt count = 0;
       
   234 
       
   235     for ( count = 0; count < iSessions.Count(); count++ )
       
   236         {
       
   237         if( iSessions[count] == aSession)
       
   238             {
       
   239             iSessions.Remove(count);
       
   240             return;
       
   241             }
       
   242         } 
       
   243     User::Leave(KErrNotFound);
       
   244     }
       
   245 
       
   246 // -----------------------------------------------------------------------------
       
   247 // CDRMMessageStorage::CDRMMessageStorage
       
   248 // C++ default constructor can NOT contain any code, that
       
   249 // might leave.
       
   250 // -----------------------------------------------------------------------------
       
   251 //
       
   252 CDRMMessageStorage::CDRMMessageStorage() : iSessions(4), iMessages(4)
       
   253     {
       
   254     // Nothing
       
   255     }
       
   256     
       
   257 // -----------------------------------------------------------------------------
       
   258 // CDRMMessageStorage::ConstructL
       
   259 // Symbian 2nd phase constructor can leave.
       
   260 // -----------------------------------------------------------------------------
       
   261 //
       
   262 void CDRMMessageStorage::ConstructL() 
       
   263     {
       
   264     }
       
   265 
       
   266 
       
   267 #ifdef _DRM_TESTING
       
   268 
       
   269 // -----------------------------------------------------------------------------
       
   270 // CDRMMessageStorage::Log
       
   271 // Logging operation.
       
   272 // -----------------------------------------------------------------------------
       
   273 //
       
   274 void CDRMMessageStorage::Log( const TDesC8& aLog ) const
       
   275     {
       
   276     iLog->Log( aLog );
       
   277     }
       
   278 
       
   279 // -----------------------------------------------------------------------------
       
   280 // CDRMMessageStorage::Log
       
   281 // Logging operation.
       
   282 // -----------------------------------------------------------------------------
       
   283 //
       
   284 void CDRMMessageStorage::Log( const TDesC& aLog ) const
       
   285     {
       
   286     iLog->Log( aLog );
       
   287     }
       
   288 #endif
       
   289 
       
   290 // ========================== OTHER EXPORTED FUNCTIONS =========================
       
   291 
       
   292 // End of File