/*

* Copyright (c) 2006-2008 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:    Connection multiplexer session abstraction.

*

*/

#ifndef C_CNCMLOCALADDRESSRESOLVER_H

#define C_CNCMLOCALADDRESSRESOLVER_H

#include <e32base.h>

#include <in_sock.h>

class RSocketServ;

class TSoInetInterfaceInfo;

class TSoInetIfQuery;

/**

 *  Connection multiplexer local IP resolver.

 *

 *  @lib connectionmux.lib

 *  @since S60 v3.2

 */

NONSHARABLE_CLASS( CNcmLocalAddressResolver ) : public CBase

    {

    friend class UT_CNcmLocalAddressResolver;

public:

    /**

     * Two-phased constructor

     *

     * @param    aSocketServ        Socket server

     */

    static CNcmLocalAddressResolver* NewL( RSocketServ& aSocketServ );

    /**

     * Two-phased constructor

     *

     * @param    aSocketServ        Socket server

     */

    static CNcmLocalAddressResolver* NewLC( RSocketServ& aSocketServ );

    /**

     * Destructor

     */

    virtual ~CNcmLocalAddressResolver();

    /**

     * Resolve local IP address

     *

     * @since    S60 v3.2

     * @param    aIPv4Addr          Resolved local IPv4 address

     * @param    aIPv6Addr          Resolved local IPv6 address

     * @param    aIap               IAP

     * @return   void

     */

    void GetLocalAddrL( TInetAddr& aIPv4Addr, TInetAddr& aIPv6Addr,

        TUint32 aIap );

private: 

    CNcmLocalAddressResolver( RSocketServ& aSocketServ );

    void CheckAndSetAddr( const TSoInetInterfaceInfo& aInfo,

        const TSoInetIfQuery& aQuery, TUint32 aSpecifiedIap );

    TBool Match( const TSoInetInterfaceInfo& aInfo,

        const TSoInetIfQuery& aQuery, TUint32 aSpecifiedIap ) const;

private: // data

    /**

     * Socket server

     * Not own.

     */

    RSocketServ& iSocketServ;

    /**

     * IPv4 address

     */

    TInetAddr iIPv4Addr;

    /**

     * IPv6 address

     */

    TInetAddr iIPv6Addr; 

    };

#endif // C_CNCMLOCALADDRESSRESOLVER_H