/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    Class for reserving ports on specific range

*

*/

#include "cncmportstore.h"

#include "ncmconnectionmultiplexerlogs.h"

// ---------------------------------------------------------------------------

// CNcmPortStore::CNcmPortStore

// ---------------------------------------------------------------------------

//

CNcmPortStore::CNcmPortStore( TUint aStartPort, TUint aStopPort ) : 

    iStartPort( aStartPort ), iStopPort( aStopPort )

    {

    }

// ---------------------------------------------------------------------------

// CNcmPortStore::NewL

// ---------------------------------------------------------------------------

//

CNcmPortStore* CNcmPortStore::NewL( TUint aStartPort, TUint aStopPort )

    {

    __CONNECTIONMULTIPLEXER( "CNcmPortStore::NewL" )

    CNcmPortStore* self = CNcmPortStore::NewLC( aStartPort, aStopPort );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// CNcmPortStore::NewLC

// ---------------------------------------------------------------------------

//

CNcmPortStore* CNcmPortStore::NewLC( TUint aStartPort, TUint aStopPort )

    {

    __CONNECTIONMULTIPLEXER( "CNcmPortStore::NewLC" )

    CNcmPortStore* self = new( ELeave ) CNcmPortStore( aStartPort,

                                                       aStopPort );

    CleanupStack::PushL( self );

    return self;

    }

// ---------------------------------------------------------------------------

// CNcmPortStore::~CNcmPortStore

// ---------------------------------------------------------------------------

//

CNcmPortStore::~CNcmPortStore()

    {

    __CONNECTIONMULTIPLEXER( "CNcmPortStore::~CNcmPortStore" )

    iReservedPorts.Close();

    }

// ---------------------------------------------------------------------------

// CNcmPortStore::Port

// ---------------------------------------------------------------------------

//

EXPORT_C TUint CNcmPortStore::Port()

    {

    __CONNECTIONMULTIPLEXER( "CNcmPortStore::Port" )

    TUint port( iStartPort );

    while ( port <= iStopPort )

        {

        if ( iReservedPorts.Find( port ) == KErrNotFound )

            {

            break;

            }

        port++;

        }

    if ( port > iStopPort )

        {

        // no more ports exists!

        return KErrNone;

        }

    iReservedPorts.Append( port );

    return port;

    }

// ---------------------------------------------------------------------------

// CNcmPortStore::FreePort

// ---------------------------------------------------------------------------

//

EXPORT_C void CNcmPortStore::FreePort( TUint aPort )

    {

    __CONNECTIONMULTIPLEXER( "CNcmPortStore::FreePort" )

    TInt result( iReservedPorts.Find( aPort ) );

    if ( KErrNotFound != result )

        {

        iReservedPorts.Remove( result );

        }

    }