natfw/natfwconnectionmultiplexer/src/cncmstream.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:04:58 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2006-2007 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 "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:    Connection multiplexer stream abstraction.
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*
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*/
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#include "cncmstream.h"
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#include "ncmconnectionmultiplexerlogs.h"
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#include "ncmconnectionmultiplexerassert.h"
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#include "natfwmediawrapper.h"
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#include "cncmconnectionobserverhandler.h"
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#include "cncmconnection.h"
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const TUint KFirstConnectionId = 1;
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// ---------------------------------------------------------------------------
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// CNcmStream::CNcmStream
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// ---------------------------------------------------------------------------
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//
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CNcmStream::CNcmStream( TUint aSessionId,
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    TUint aStreamId, TInt aQos, TUint aProtocol ):
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    iSessionId( aSessionId ), iStreamId( aStreamId ), iQos( aQos ),
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    iStreamProtocol( aProtocol ),
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    iNextConnectionId( KFirstConnectionId ),
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    iMediaConnectionId( 0 )
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    {
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::NewL
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// ---------------------------------------------------------------------------
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//
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CNcmStream* CNcmStream::NewL( TUint aSessionId,
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    TUint aStreamId, TInt aQos, TUint aProtocol )
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::NewL" )
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    CNcmStream* self =
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        CNcmStream::NewLC( aSessionId, aStreamId, aQos, aProtocol );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::NewLC
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// ---------------------------------------------------------------------------
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//
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CNcmStream* CNcmStream::NewLC( TUint aSessionId,
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    TUint aStreamId, TInt aQos, TUint aProtocol )
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::NewLC" )
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    CNcmStream* self =
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        new( ELeave ) CNcmStream( aSessionId, aStreamId, aQos, aProtocol );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::ConstructL()
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    {
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    iConnectionObserverHandler = CNcmConnectionObserverHandler::NewL();
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::~CNcmStream
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// ---------------------------------------------------------------------------
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//
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CNcmStream::~CNcmStream()
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    {
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    __CONNECTIONMULTIPLEXER_INT1( "CNcmStream::~CNcmStream, CONN_COUNT: ", 
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        iConnections.Count() )
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    TInt ind( KErrNotFound );
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    while ( KErrNotFound != ( ind = iConnections.Count() - 1 ) )
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        {
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        TUint connectionId = iConnections[ind]->ConnectionId();
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        delete iConnections[ind];
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        iConnections.Remove( ind );
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        if ( iConnectionObserverHandler )
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            {
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            iConnectionObserverHandler->ConnectionNotify( iStreamId,
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                connectionId, EMultiplexerConnectionRemoved, KErrNone );
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            }
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        }
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    iConnections.Close();
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    if ( iWrapper )
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        {
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        iWrapper->Close();  
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        }
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    iWrapper = NULL;
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    delete iConnectionObserverHandler;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::CreateConnectionL
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// ---------------------------------------------------------------------------
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//
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TUint CNcmStream::CreateConnectionL(
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    MNcmMultiplexerConnectionObserver& aObserver,
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    CNcmConnectionObserverHandler& aConnectionObserverHandler,
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    RSocketServ& aSocketServ,
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    RConnection& aConnection,
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    const TInetAddr& aLocalAddress,
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    TBool aReuseAddress )
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    {   
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    CNcmConnection* connection(
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        CNcmConnection::NewLC( iSessionId, iStreamId,
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            iNextConnectionId, aLocalAddress, aObserver,
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            aConnectionObserverHandler, iQos,
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            aSocketServ, aConnection, iStreamProtocol, aReuseAddress ) );
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   143
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    iConnections.AppendL( connection );
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   145
    
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    iNextConnectionId++;
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    CleanupStack::Pop( connection ); 
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    return connection->ConnectionId();
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    }
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   151
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// ---------------------------------------------------------------------------
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// CNcmStream::RemoveConnectionL
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::RemoveConnectionL( TUint aConnectionId )
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    {
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    __CONNECTIONMULTIPLEXER_INT1(
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        "CNcmStream::Remove - RemoveConnectionL: ", aConnectionId )
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    TInt count( iConnections.Count() );
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    TBool found( EFalse );
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    for ( TInt i = 0; i < count; i++ )
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        {
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        if ( iConnections[i]->ConnectionId() == aConnectionId )
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            {      
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            delete iConnections[i];  
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            iConnections.Remove( i );
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            found = ETrue;
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            break;
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            }
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        }
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    if ( !found )
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        {
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        User::Leave( KErrNotFound );
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        }
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::StreamId
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// ---------------------------------------------------------------------------
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//
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TUint CNcmStream::StreamId() const
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    {
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    return iStreamId;
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    }
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   191
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// ---------------------------------------------------------------------------
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// CNcmStream::Qos
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// ---------------------------------------------------------------------------
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//
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TInt CNcmStream::Qos() const
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    {
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    return iQos;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::SetQos
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::SetQos( TInt aQos )
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    {
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    __CONNECTIONMULTIPLEXER_INT1( "CNcmStream::SetQos - aQos: ", aQos )
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    iQos = aQos;
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    }
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   212
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   213
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// ---------------------------------------------------------------------------
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// CNcmStream::ConnectionL
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// ---------------------------------------------------------------------------
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//
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CNcmConnection* CNcmStream::ConnectionL(
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    TUint aConnectionId )
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    {
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    __CONNECTIONMULTIPLEXER_INT1(
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        "CNcmStream::ConnectionL - aConnectionId: ", aConnectionId )
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    TInt count( iConnections.Count() );
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   225
    
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    for ( TInt i = 0; i < count; i++ )
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        {
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        if ( iConnections[i]->ConnectionId() == aConnectionId )
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   229
            {
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            return iConnections[i];
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            }
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        }
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    User::Leave( KErrNotFound );    
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#ifndef _DEBUG_EUNIT
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    return NULL;
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#endif
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::RegisterWrapperL
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::RegisterWrapperL(
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    MNATFWMediaWrapper* aWrapper )
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    {
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    __CONNECTIONMULTIPLEXER( 
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        "CNcmStream::RegisterWrapperL" )
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    __CONNECTIONMULTIPLEXER_ASSERT_L( NULL != aWrapper, KErrArgument );
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    __CONNECTIONMULTIPLEXER_ASSERT_L( NULL == iWrapper, KErrAlreadyExists );
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    iWrapper = aWrapper;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::WrapperL
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// ---------------------------------------------------------------------------
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//
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MNATFWMediaWrapper* CNcmStream::WrapperL()
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::WrapperL" )
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    __CONNECTIONMULTIPLEXER_ASSERT_L( NULL != iWrapper, KErrNotReady );
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    return iWrapper;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::StreamProtocol
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// ---------------------------------------------------------------------------
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//
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TUint CNcmStream::StreamProtocol() const
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::StreamProtocol" )
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    return iStreamProtocol;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::SetStreamProtocol
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::SetStreamProtocol(
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    TUint aProtocol )
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::SetStreamProtocol" )
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    iStreamProtocol = aProtocol;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::MediaConnectionId
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// ---------------------------------------------------------------------------
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//
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TUint CNcmStream::MediaConnectionId() const
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::MediaConnectionId ")
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    return iMediaConnectionId;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::SetMediaConnectionId
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::SetMediaConnectionId( TUint aMediaConnectionId )
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::SetMediaConnectionId ")
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    iMediaConnectionId = aMediaConnectionId;
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    }
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// -----------------------------------------------------------------------------
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// CNcmStream::ConnectionObserverHandler
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// -----------------------------------------------------------------------------
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//    
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CNcmConnectionObserverHandler& CNcmStream::ConnectionObserverHandler()   
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    {
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    return *iConnectionObserverHandler;
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    }
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// ---------------------------------------------------------------------------
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// CNcmStream::ConnectionIdByDestinationAddressL(
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// ---------------------------------------------------------------------------
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//
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CNcmConnection* CNcmStream::ConnectionByDestinationAddressL(
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    const TInetAddr& aDestinationAddress )
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    {
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    __CONNECTIONMULTIPLEXER( "CNcmStream::ConnectionByDestinationAddressL" ) 
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    TInt ind( iConnections.Count() );
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    TInt genericConnectionInd( KErrNotFound );
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    while ( ind-- )
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        {
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        if ( iConnections[ind]->IsGenericDestination() )
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            {
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            genericConnectionInd = ind;
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            }
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        if ( iConnections[ind]->
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            CheckSenderValidityToSending( aDestinationAddress ) )
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            {
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            return iConnections[ind];
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            }
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        }
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    // as a last resort generic connection can be used if one exists
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   356
    if ( KErrNotFound != genericConnectionInd )
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        {
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        return iConnections[genericConnectionInd];
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        }
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   360
    
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    User::Leave( KErrNotFound );
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   362
#ifndef _DEBUG_EUNIT
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    return NULL;
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#endif
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    }   
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   366
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   367
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   368
// ---------------------------------------------------------------------------
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// CNcmStream::RegisterMediaSourceL
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// ---------------------------------------------------------------------------
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//
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void CNcmStream::RegisterMediaSourceL( CNcmMediaSource* aMediaSource )
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    {
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    iConnectionObserverHandler->RegisterMediaSourceL( aMediaSource );
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    }