1 /*

     2 * Copyright (c) 2006 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:  

    15 *

    16 */

    17 

    18 

    19 #include <e32property.h>

    20 

    21 #include "catalogsserverengine.h"

    22 #include "catalogssession.h"

    23 #include "ncdproviderimpl.h"

    24 #include "catalogsdebug.h"

    25 #include "catalogsconstants.h"

    26 #include "catalogsuids.h"

    27 #include "ncdprovidermanager.h"

    28 

    29 // ======== MEMBER FUNCTIONS ========

    30 

    31 

    32 

    33 CCatalogsServerEngine::CCatalogsServerEngine()

    34     {

    35     }

    36 

    37 

    38 void CCatalogsServerEngine::ConstructL()

    39     {

    40     DLTRACEIN((""));

    41 

    42     // Define the Catalogs Engine maintenance lock property, if not already

    43     // defined.

    44     // Don't use explicit category UID, server SID instead?

    45     //  - explicit category UID requires WriteDeviceData cap. Well we have it but anyway.

    46 

    47     // Security policy

    48 //    TSecurityPolicy readPolicy;

    49 //    TSecurityPolicy writePolicy;

    50     _LIT_SECURITY_POLICY_PASS( readPolicy );

    51     _LIT_SECURITY_POLICY_PASS( writePolicy );

    52 

    53     DLINFO(( "Defining catalogs engine maintenance lock property" ));

    54 

    55     TInt err = RProperty::Define( 

    56         KCatalogsEnginePropertyCategory,

    57         KCatalogsEnginePropertyKeyMaintenanceLock,

    58         RProperty::EInt,

    59         readPolicy,

    60         writePolicy );

    61 

    62     if( err != KErrNone && err != KErrAlreadyExists ) 

    63         {

    64         DLERROR(( "Maintenance lock property create failed with %d", err ));

    65         DLTRACEOUT(( "LEAVE %d", err ));

    66         User::Leave( err );

    67         }

    68 

    69     DLINFO(( "Maintenance lock property define returned %d", err ));

    70     

    71     iProviderManager = CNcdProviderManager::NewL();

    72 

    73     DLTRACEOUT((""));

    74     }

    75 

    76 CCatalogsServerEngine* CCatalogsServerEngine::NewL()

    77     {

    78     CCatalogsServerEngine* self = CCatalogsServerEngine::NewLC();

    79     CleanupStack::Pop( self );

    80     return self;

    81     }

    82 

    83 CCatalogsServerEngine* CCatalogsServerEngine::NewLC()

    84     {

    85     CCatalogsServerEngine* self = new( ELeave ) CCatalogsServerEngine;

    86     CleanupStack::PushL( self );

    87     self->ConstructL();

    88     return self;

    89     }

    90 

    91 CCatalogsServerEngine::~CCatalogsServerEngine()

    92     {

    93     DLTRACEIN((""));

    94     // Engine is going to be killed and we can free our reference to

    95     // the provider

    96     delete iProviderManager;

    97     DLTRACEOUT((""));

    98     }

    99 

   100 

   101 void CCatalogsServerEngine::CreateProviderL(

   102     MCatalogsSession& aSession,

   103     TInt aProvider,

   104     TInt& aHandle,

   105     TUint32 aOptions )

   106     {

   107     DLTRACEIN(( "aProvider=%08x", aProvider ));

   108     

   109     // Providers, who we know

   110     TInt providerUid( KNcdProviderUid ); // only one uid is known at the moment

   111 

   112     

   113     if ( aProvider == providerUid )

   114         {

   115         TBool created = EFalse;

   116         

   117         // if created==ETrue, provider's refcount is 1, otherwise it's > 1

   118         CNcdProvider& provider = iProviderManager->ProviderL(

   119             aSession.Context(), created );        

   120         

   121         TRAPD( err, 

   122             {

   123             provider.PrepareSessionL( aSession, aOptions );

   124             // AddObjectL increases provider's refcount by 1

   125             aHandle = aSession.AddObjectL( &provider );

   126             });

   127 

   128         

   129         if ( created ) 

   130             {

   131             if ( err != KErrNone ) 

   132                 {

   133                 provider.Close();

   134                 }

   135             

   136             if ( provider.DatabaseClearingStatus() && err == KErrNone ) 

   137                 {

   138                 DLTRACE(("Databases were cleared, status: %d", 

   139                     provider.DatabaseClearingStatus() ));

   140                 User::Leave( provider.DatabaseClearingStatus() );

   141                 }

   142             }

   143 

   144         User::LeaveIfError( err );

   145         }

   146     else

   147         {

   148         DLWARNING(( "Unknown provider" ));        

   149         User::Leave( KErrNotFound );

   150         }

   151     

   152     DLTRACEOUT((""));

   153     }

   154     

   155 

   156 void CCatalogsServerEngine::HandleSessionRemoval( 

   157     MCatalogsSession& aSession )

   158     {

   159     DLTRACEIN((""));

   160     CNcdProvider* provider = iProviderManager->Provider( aSession.Context() );

   161     

   162     if ( provider )

   163         {

   164         provider->HandleSessionRemoval( aSession );

   165 

   166         // Remove provider manager's reference

   167         if ( provider->AccessCount() == 1 ) 

   168             {

   169             DLTRACE(("Last session, deleting provider"));

   170             provider->Close();

   171             }            

   172         }

   173      

   174     DLTRACEOUT((""));

   175     }