/** @file

* Copyright (c) 2005-2006 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:  

*

*/

#ifndef UPNPSSDPHANDLER_H

#define UPNPSSDPHANDLER_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <in_sock.h>

// CLASS DECLARATION

class CUpnpDeviceLibraryElement;

class MUpnpSsdpServerObserver;

class RSocketServ;

/**

 *  CUpnpSsdpHandlerBase is a base class for 

 *  classes which handle SSDP server states.

 */

class CUpnpSsdpHandlerBase : public CBase

    {

public:

    // Constructors and destructor

    /**

     * Destructor.

     */

    ~CUpnpSsdpHandlerBase();

    /**

     * Method for ssdp startup 

     * aSocketServ - reference to socket server session

     */

    virtual void StartL( RSocketServ& aSocketServ ) = 0;

    /**

     * Method for ssdp immidiate stop

     */    

    virtual void Stop() = 0;

     /**

     * Method for address change event

     */    

    virtual void AddressChangeL( TInetAddr& aAddress  ) = 0;

    /**

     * Method for ssdp m-search

     * aSearchString - The SSDP search string, that is placed to the 

     *                 ST header of the SSDP message.

     * aMX - list of MX times for m-search messages

     */    

    virtual void SsdpSearchL( const TDesC8& aSearchString, TDesC8& aMX ) = 0;

    /**

     * Method for adverising local device

     */    

    virtual void AdvertiseDeviceL( TInt aLive,  CUpnpDeviceLibraryElement& aElement ) = 0;

    /**

     * Method checks if ssdp is started

     */    

    virtual TBool IsStarted() = 0;

protected:

    /**

     * Constructor for performing 1st stage construction

     */

    CUpnpSsdpHandlerBase( MUpnpSsdpServerObserver& aObserver );

protected:

    // Observer pointer 

    MUpnpSsdpServerObserver& iSsdpServerObserver; 

    };

#endif // UPNPSSDPHANDLER_H