contentstorage/srvsrc/casrv.cpp
author hgs
Fri, 06 Aug 2010 13:40:46 +0300
changeset 107 b34d53f6acdf
parent 102 8b8b34fa9751
permissions -rw-r--r--
201031
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/*
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 * Copyright (c) 2008 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 "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:  ?Description
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 *
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 */
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// INCLUDE FILES
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#include <sqldb.h>
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#include <eikenv.h>
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#include <eikappui.h>
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#include "casrv.h"
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#include "casrvdef.h"
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#include "casrvsession.h"
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#include "casrvengutils.h"
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#include "castorageproxy.h"
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#include "casrvmanager.h"
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#include "cabackupnotifier.h"
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// ==================== LOCAL FUNCTIONS ====================
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/**
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 * Create a server.
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 * @param Pointer to created server (if created) returned here.
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 * @return Error code.
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 */
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LOCAL_C TInt CreateServer( CCaSrv*& aServer )
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    {
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    // The TRAP is not working in the same stack frame where the
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    // CTrapCleanup was created. This is why we need this function.
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    TRAPD( err, aServer = CCaSrv::NewL() );
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    return err;
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    }
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// ==================== GLOBAL FUNCTIONS ====================
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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EXPORT_C TInt RunCaServer()
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    {
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    __UHEAP_MARK;
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    CTrapCleanup* trapCleanup = NULL;
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    CActiveScheduler* activeScheduler = NULL;
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    CCaSrv* server = NULL;
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    TInt err = User::RenameThread( KCaSrvName );
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    if( !err )
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        {
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        // Create a trap cleanup, make and install an active scheduler.
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        err = KErrNoMemory;
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        trapCleanup = CTrapCleanup::New();
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        if( trapCleanup )
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            {
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            activeScheduler = new CActiveScheduler();
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            if( activeScheduler )
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                {
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                CActiveScheduler::Install( activeScheduler );
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                err = CreateServer( server ); // Not pushed (no leaving).
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                if( !err )
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                    {
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                    err = server->Start( KCaSrvName );
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                    }
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                }
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            else
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                {
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                err = KErrNoMemory;
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                }
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            }
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        }
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    // Let the caller know how it went.
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    RProcess::Rendezvous( err );
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    if( !err )
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        {
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        CActiveScheduler::Start(); // Start off. Exit timer will stop it.
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        }
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    CActiveScheduler::Install( NULL );
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    delete activeScheduler;
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    delete server;
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    delete trapCleanup;
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    __UHEAP_MARKEND;
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    return err;
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    }
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// ==================== MEMBER FUNCTIONS ====================
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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CCaSrv* CCaSrv::NewL()
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    {
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    CCaSrv* srv = new ( ELeave ) CCaSrv();
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    CleanupStack::PushL( srv );
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    srv->ConstructL();
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    CleanupStack::Pop( srv );
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    return srv;
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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CCaSrv::~CCaSrv()
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    {
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    // Cancel requests and delete all sessions first.
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    // Base class would do it for us but that's too late - our sessions
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    // call the server back (SessionClosed, RemoveContainer, etc.).
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    Cancel();
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    delete iBackupNotifier;
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    CSession2* session;
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    iSessionIter.SetToFirst();
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    while( ( session = iSessionIter++ ) != NULL )
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        {
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        delete session;
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        }
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    delete iSrvManager;
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    iSoftwareRegistry.Close();
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    delete iSrvEngUtils;
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    delete iStorageProxy;
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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CCaStorageProxy* CCaSrv::GetStorageProxy()
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    {
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    return iStorageProxy;
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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CCaSrv::CCaSrv() :
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    CServer2( EPriorityNormal, CServer2::TServerType( EIpcSession_Sharable ) )
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    {
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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void CCaSrv::ConstructL()
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    {
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    iSessionCount = 0;
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    iStorageProxy = CCaStorageProxy::NewL();
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    iSrvEngUtils = CCaSrvEngUtils::NewL();
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    User::LeaveIfError( iSoftwareRegistry.Connect() );
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    iSrvManager = CCaSrvManager::NewL( *iStorageProxy,
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        &iSoftwareRegistry, iSrvEngUtils);
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    TInt errCode = iSrvManager->LoadOperationErrorCodeL();
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    if( KSqlErrNotDb <= errCode && errCode <= KSqlErrGeneral )
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        {
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        //problem in loading one of plugins, probably data base is corrupted
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        //lets load it from ROM and try again
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        delete iSrvManager;
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        iSrvManager = NULL;
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        iStorageProxy->LoadDataBaseFromRomL();
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        iSrvManager = CCaSrvManager::NewL( *iStorageProxy,
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            &iSoftwareRegistry, iSrvEngUtils );
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        }
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    iBackupNotifier = CCaBackupNotifier::NewL( iStorageProxy );
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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CSession2* CCaSrv::NewSessionL( const TVersion& aVersion,
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        const RMessage2& /*aMessage*/) const
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    {
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    TVersion version( KCaMajorVersion, KCaMinorVersion, KCaBuild );
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    if( !User::QueryVersionSupported( version, aVersion ) )
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        {
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        User::Leave( KErrNotSupported );
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        }
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    CSession2* session;
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    session = CCaSrvSession::NewL( const_cast<CCaSrv&> ( *this ) );
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    return session;
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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void CCaSrv::IncreaseSessionCount()
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    {
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    iSessionCount++;
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    }
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// ---------------------------------------------------------
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//
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// ---------------------------------------------------------
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//
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void CCaSrv::DecreaseSessionCount()
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    {
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    iSessionCount--;
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    }
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//  End of File