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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implementation of Scheduler server's Server class*
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*/
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// INCLUDE FILES
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#include "CCseSchedulerServer.h" // Header file for this class
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#include "CCseSchedulerServerSession.h" // Server session
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#include "CCseSchedulerServerEngine.h" // Server intelligence aka engine
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#include <ipvideo/CseSchedulerClientServerCommon.h> // Common defines for client and server
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#include "CseSchedulerServer.pan" // Server panic codes
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#include "CseDebug.h" // Debug macros
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#include <e32svr.h>
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#include <e32math.h>
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#include <e32uid.h>
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#include <e32def.h>
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// EXTERNAL DATA STRUCTURES
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// None
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// EXTERNAL FUNCTION PROTOTYPES
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// None
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// CONSTANTS
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// Platform security. Custom check is applied to all IPCs.
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static const int KRangeCount( 1 );
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static const TInt SecurityRanges[KRangeCount] =
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{
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0, // Range is from 0 to KMaxTInt
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};
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static const TUint8 SecurityRangesPolicy[KRangeCount] =
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{
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CPolicyServer::ECustomCheck
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};
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static const CPolicyServer::TPolicy Policy =
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{
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CPolicyServer::EAlwaysPass,
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KRangeCount,
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SecurityRanges,
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SecurityRangesPolicy,
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NULL,
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};
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// MACROS
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// None
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// LOCAL CONSTANTS AND MACROS
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const TInt KDbStartTimeout = 2000000;
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// MODULE DATA STRUCTURES
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// None
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// LOCAL FUNCTION PROTOTYPES
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// None
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// FORWARD DECLARATIONS
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// None
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::CCseSchedulerServer()
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// C++ constructor
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// -----------------------------------------------------------------------------
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//
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CCseSchedulerServer::CCseSchedulerServer()
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: CPolicyServer( EPriorityRealTimeServer, Policy, ESharableSessions ),
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iContainerIx( NULL ),
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iObjectCon( NULL ),
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iSessionCount( 0 ),
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iSchedulerEngine( NULL )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::CCseSchedulerServer");
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__DECLARE_NAME( _S( "CCseSchedulerServer" ) );
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CCseSchedulerServer");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::NewLC()
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//
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// -----------------------------------------------------------------------------
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//
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CCseSchedulerServer* CCseSchedulerServer::NewLC( )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::NewLC");
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CCseSchedulerServer* self = new ( ELeave ) CCseSchedulerServer;
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CleanupStack::PushL( self );
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self->ConstructL( );
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::NewLC");
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return self;
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::ConstructL()
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// second-phase constructor; create the object container index.
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// -----------------------------------------------------------------------------
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//
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void CCseSchedulerServer::ConstructL( )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ConstructL");
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iContainerIx = CObjectConIx::NewL();
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iObjectCon = iContainerIx->CreateL();
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StartL( KCseSchedulerServerName );
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GetEngineObjectL();
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iStarterBreaker = CPeriodic::NewL( CActive::EPriorityStandard );
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// break call chain
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if( !iStarterBreaker->IsActive() )
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{
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// Give client 2 secs to make server session before we check
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// if server is needed or not.
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iStarterBreaker->Start( KDbStartTimeout,
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KDbStartTimeout,
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TCallBack( StarterCallback, this ));
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}
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else
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{
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CSELOGSTRING_HIGH_LEVEL(
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"CCseSchedulerServer::ConstructL - Breaker already active");
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ConstructL");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::~CCseSchedulerServer()
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// Destructor.
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// -----------------------------------------------------------------------------
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//
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CCseSchedulerServer::~CCseSchedulerServer()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::~CCseSchedulerServer");
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DeleteSchedulerEngine();
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::~CCseSchedulerServer");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::ThreadFunction()
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// The active scheduler is installed and started here.
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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TInt CCseSchedulerServer::ThreadFunction( )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ThreadFunction");
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CTrapCleanup* cleanupStack = CTrapCleanup::New();
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if ( !cleanupStack )
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{
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CSELOGSTRING_HIGH_LEVEL("CCseSchedulerServer::ThreadFunction - Could not create cleanupstack: %d");
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return KErrNone;
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}
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TRAPD( err, ThreadFunctionL( ) );
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if ( err )
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{
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CSELOGSTRING2_HIGH_LEVEL("CCseSchedulerServer::ThreadFunction - Main thread leaved: %d", err );
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}
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delete cleanupStack;
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ThreadFunction");
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return KErrNone;
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::ThreadFunctionL()
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//
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// -----------------------------------------------------------------------------
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//
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void CCseSchedulerServer::ThreadFunctionL( )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::ThreadFunctionL");
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// Construct active scheduler
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CActiveScheduler* activeScheduler = new ( ELeave ) CActiveScheduler;
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CleanupStack::PushL( activeScheduler ); // |-> 1
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// Install active scheduler.
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// We don't need to check whether an active scheduler is already installed
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// as this is a new thread, so there won't be one
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CActiveScheduler::Install( activeScheduler );
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// Construct our server, pushed cleanup stack and leaved there
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CCseSchedulerServer* server = CCseSchedulerServer::NewLC( ); // |-> 2
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// Signal server is up
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RProcess::Rendezvous( KErrNone );
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// Start handling requests
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CActiveScheduler::Start();
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CleanupStack::PopAndDestroy( server ); // 2<-|
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CleanupStack::PopAndDestroy( activeScheduler ); // 1<-|
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::ThreadFunctionL");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::PanicServer
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// Utility - panic the server
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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void CCseSchedulerServer::PanicServer( TCseSchedulerServPanic aPanic )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::PanicServer");
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_LIT( KSchedulerServer, "SchedulerServer" );
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User::Panic( KSchedulerServer, aPanic );
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::PanicServer");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::GetEngineObjectL()
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//
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// -----------------------------------------------------------------------------
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//
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CCseSchedulerServerEngine* CCseSchedulerServer::GetEngineObjectL()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::GetEngineObjectL");
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if ( iObjectCon->Count() == 0 )
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{
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// Create scheduler engine
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iSchedulerEngine = CCseSchedulerServerEngine::NewL( *this );
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// Add our engine to container
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iObjectCon->AddL( iSchedulerEngine );
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}
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else
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{
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// default implementation return KErrNone.
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if ( KErrNone != iSchedulerEngine->Open() )
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{
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User::Leave( KErrGeneral );
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}
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::GetEngineObjectL");
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// We have only one object in our container
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return iSchedulerEngine;
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::Inc()
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//
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// -----------------------------------------------------------------------------
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//
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void CCseSchedulerServer::Inc()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::Inc");
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if ( iSessionCount!=KErrNotFound )
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{
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iSessionCount++;
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::Inc");
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}
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// -----------------------------------------------------------------------------
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// CCseRTPServer::Dec()
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//
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// -----------------------------------------------------------------------------
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//
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void CCseSchedulerServer::Dec()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::Dec");
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iSessionCount--;
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if ( iSessionCount<=0 )
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{
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StopServer();
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::Dec");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::DeleteSchedulerEngine
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// Stops active scheduler and deletes object container and other objects.
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// -----------------------------------------------------------------------------
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void CCseSchedulerServer::DeleteSchedulerEngine()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::DeleteSchedulerEngine");
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if ( iContainerIx )
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{
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if( iObjectCon->Count() > 0 )
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{
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iSchedulerEngine->Close();
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}
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iContainerIx->Remove( iObjectCon );
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delete iContainerIx;
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iContainerIx = NULL;
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iSchedulerEngine = NULL;
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}
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if( iStarterBreaker && iStarterBreaker->IsActive() )
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{
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iStarterBreaker->Cancel();
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}
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delete iStarterBreaker;
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iStarterBreaker = NULL;
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::DeleteSchedulerEngine");
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::NewSessionL()
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//
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// -----------------------------------------------------------------------------
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//
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CSession2* CCseSchedulerServer::NewSessionL( const TVersion& aVersion,
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const RMessage2& /*aMessage*/ ) const
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::NewSessionL");
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// Check version is ok
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TVersion v( KCseServMajorVersionNumber,
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KCseServMinorVersionNumber,
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KCseServBuildVersionNumber );
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if ( !User::QueryVersionSupported( v, aVersion ) )
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{
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User::Leave( KErrNotSupported );
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::NewSessionL");
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// Make new session
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return CCseSchedulerServerSession::NewL( ( CCseSchedulerServer* ) this );
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}
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// -----------------------------------------------------------------------------
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// CCseSchedulerServer::StopServer
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// Stops the server thread if no sessions active.
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// -----------------------------------------------------------------------------
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//
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void CCseSchedulerServer::StopServer()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StopServer");
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TBool schedulerActive( iSchedulerEngine->IsSchedulerActive() );
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CSELOGSTRING2_HIGH_LEVEL("CCseSchedulerServer::StopServer - Session count: %d", iSessionCount);
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if ( (iSessionCount<=0) && (schedulerActive == EFalse))
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{
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CSELOGSTRING_HIGH_LEVEL("CCseSchedulerServer::StopServer - Call ActiveScheduler::Stop()");
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CActiveScheduler::Stop();
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}
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StopServer");
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}
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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// -----------------------------------------------------------------------------
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// StartThread()
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// Start the server thread. This is called from the client.
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// -----------------------------------------------------------------------------
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//
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TInt CCseSchedulerServer::StartThread()
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StartThread");
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#if _DEBUG
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__UHEAP_MARK;
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#endif
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// Check server not already started
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TFindServer findCountServer( KCseSchedulerServerName );
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TFullName name;
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if ( findCountServer.Next( name ) == KErrNone )
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{
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// Found server already
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RProcess::Rendezvous( KErrNone );
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StartThread - Return value: KErrAlreadyExists");
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return KErrAlreadyExists;
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}
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ThreadFunction( );
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#if _DEBUG
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__UHEAP_MARKEND;
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#endif
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CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StartThread - Server down!");
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// All well
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return KErrNone;
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}
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// --------------------------------------------------------------------------
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// CCseSchedulerServer::CustomSecurityCheckL()
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// --------------------------------------------------------------------------
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//
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CPolicyServer::TCustomResult CCseSchedulerServer::CustomSecurityCheckL(
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const RMessage2& aMsg,
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TInt& /*aAction*/,
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TSecurityInfo& /*aMissing*/ )
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{
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CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::CustomSecurityCheckL");
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TCustomResult retVal ( EFail );
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// Check the messagge function range
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if ( aMsg.Function() > ECseRequestBase &&
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aMsg.Function() < ECseRequestLast )
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{
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// Check if the client has required capabilities
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// From .mmp-file capablity NetworkControl
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if( // From .mmp-file following are CAP_SERVER capabilities
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! aMsg.HasCapability(ECapabilityNetworkServices ) ||
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! aMsg.HasCapability(ECapabilityLocalServices ) ||
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! aMsg.HasCapability(ECapabilityLocation ) ||
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! aMsg.HasCapability(ECapabilityReadUserData ) ||
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! aMsg.HasCapability(ECapabilityWriteUserData ) ||
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! aMsg.HasCapability(ECapabilityReadDeviceData ) ||
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! aMsg.HasCapability(ECapabilityWriteDeviceData ) ||
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! aMsg.HasCapability(ECapabilityUserEnvironment ) ||
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|
436 |
! aMsg.HasCapability(ECapabilitySwEvent ) )
|
|
437 |
{
|
|
438 |
CSELOGSTRING2_HIGH_LEVEL(
|
|
439 |
"CCseSchedulerServer::CustomSecurityCheckL() No capability for message %d!!!",
|
|
440 |
aMsg.Function() );
|
|
441 |
}
|
|
442 |
else
|
|
443 |
{
|
|
444 |
CSELOGSTRING2_HIGH_LEVEL(
|
|
445 |
"CCseSchedulerServer::CustomSecurityCheckL() Message %d inside range and capabilities ok",
|
|
446 |
aMsg.Function() );
|
|
447 |
retVal = EPass;
|
|
448 |
}
|
|
449 |
}
|
|
450 |
else
|
|
451 |
{
|
|
452 |
CSELOGSTRING2_HIGH_LEVEL(
|
|
453 |
"CCseSchedulerServer::CustomSecurityCheckL() Message %d outside known range!!!",
|
|
454 |
aMsg.Function() );
|
|
455 |
}
|
|
456 |
|
|
457 |
if( retVal == EPass )
|
|
458 |
{
|
|
459 |
CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CustomSecurityCheckL - Passed");
|
|
460 |
}
|
|
461 |
else
|
|
462 |
{
|
|
463 |
CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::CustomSecurityCheckL - Failed");
|
|
464 |
}
|
|
465 |
return retVal;
|
|
466 |
}
|
|
467 |
|
|
468 |
// -----------------------------------------------------------------------------
|
|
469 |
// CCseSchedulerServerEngine::StarterCallback
|
|
470 |
// -----------------------------------------------------------------------------
|
|
471 |
//
|
|
472 |
TInt CCseSchedulerServer::StarterCallback( TAny* aPtr )
|
|
473 |
{
|
|
474 |
CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::StarterCallback");
|
|
475 |
TBool retVal( EFalse);
|
|
476 |
retVal = static_cast<CCseSchedulerServer*>( aPtr )->HandleStarterCallback();
|
|
477 |
CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::StarterCallback");
|
|
478 |
return retVal;
|
|
479 |
}
|
|
480 |
|
|
481 |
// -----------------------------------------------------------------------------
|
|
482 |
// CCseSchedulerServerEngine::HandleCompletitionCallback
|
|
483 |
// -----------------------------------------------------------------------------
|
|
484 |
//
|
|
485 |
TInt CCseSchedulerServer::HandleStarterCallback()
|
|
486 |
{
|
|
487 |
CSELOGSTRING_HIGH_LEVEL(">>>CCseSchedulerServer::HandleStarterCallback ");
|
|
488 |
|
|
489 |
// We dont want to use periodic anymore, so we cancel it. We just wanted to
|
|
490 |
// make call here 2 secs after server has been created.
|
|
491 |
iStarterBreaker->Cancel();
|
|
492 |
|
|
493 |
// Check if server can be stopped.
|
|
494 |
iSchedulerEngine->RequestReschedule();
|
|
495 |
|
|
496 |
CSELOGSTRING_HIGH_LEVEL("<<<CCseSchedulerServer::HandleStarterCallback ");
|
|
497 |
return EFalse;
|
|
498 |
}
|
|
499 |
|
|
500 |
// -----------------------------------------------------------------------------
|
|
501 |
// E32Main()
|
|
502 |
// Server startup
|
|
503 |
// Returns: KErrNone
|
|
504 |
// -----------------------------------------------------------------------------
|
|
505 |
//
|
|
506 |
GLDEF_C TInt E32Main()
|
|
507 |
{
|
|
508 |
return CCseSchedulerServer::StartThread();
|
|
509 |
}
|
|
510 |
|
|
511 |
// End of File
|