dvrengine/CommonRecordingEngineClient/src/CCRServerHandleSingleton.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:14:38 +0200
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/*
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* Copyright (c) 2007 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:    Singleton to hold server session*
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*/
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// INCLUDE FILES
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#include "CCRServerHandleSingleton.h"
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// CONSTANTS
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// None
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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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CCRServerHandleSingleton::CCRServerHandleSingleton() : iReferenceCount( 1 )
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    {
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    // None
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    }
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CCRServerHandleSingleton::~CCRServerHandleSingleton()
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    {
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    iService.Close();
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    iClient.Close();
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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 CCRServerHandleSingleton::ConstructL()
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    {
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    User::LeaveIfError( iClient.Connect() );
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	User::LeaveIfError( iService.Open( iClient ) );
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    }
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// -----------------------------------------------------------------------------
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// Returns the singleton instance.
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// -----------------------------------------------------------------------------
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//
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CCRServerHandleSingleton* CCRServerHandleSingleton::InstanceL()
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    {
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    CCRServerHandleSingleton* self = NULL;
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    TAny* tlsPtr = Dll::Tls();
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    if ( tlsPtr == NULL )
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        {
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        self = new( ELeave ) CCRServerHandleSingleton;
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        CleanupStack::PushL( self );
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        self->ConstructL();
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        User::LeaveIfError( Dll::SetTls( self ) );
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        CleanupStack::Pop( self );
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        }
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    else
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        {
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        self = static_cast<CCRServerHandleSingleton*>( tlsPtr );
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        ++self->iReferenceCount;
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        }
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// Releases the singleton instance.
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// -----------------------------------------------------------------------------
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//
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void CCRServerHandleSingleton::Release()
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    {
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    TAny* tlsPtr = Dll::Tls();
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    __ASSERT_DEBUG( tlsPtr != NULL, User::Panic( _L( "CCRApiBase" ), KErrNotFound ) );
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    if ( tlsPtr != NULL )
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        {
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        CCRServerHandleSingleton* self = static_cast<CCRServerHandleSingleton*>( tlsPtr );
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        if ( --self->iReferenceCount == 0 )
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            {
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            delete self;
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            Dll::FreeTls();
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            }
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        }
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    }
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//  End of File