/*

* Copyright (c) 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: 

*

*/

#ifndef DHCPDATASENDER_H

#define DHCPDATASENDER_H

#include <e32base.h>

#include <in_sock.h>

#include <es_sock.h>

#include "dhcpdatalocationrequest.h"

class CIPAppUtilsAddressResolver;

/**

 *  Sends a DHCP inform message to the network

 *

 *  @lib dhcppositionprovider.lib

 *  @since S60 3.2

 */

class CDhcpDataRequestor : public CActive

    {

    public:

        /**

         * Two-phased constructor.

         * @since S60 3.2

         * @param aSocket       Socket port where to send data

         */

        static CDhcpDataRequestor* NewL(RSocket& aSocket );

        /**

         * C++ destructor

         * @since S60 3.2

         */

        virtual ~CDhcpDataRequestor();

    public:

        /**

         * Make inform message for sendid purpose.

         * @param aSocket Socket port where to send data

         *

         */

        void MakeDhcpInformMsg (TInetAddr aLocalIpAddress);

        /**

         * Return  transaction to follow. Note:

         * Have to call after make dhcp inform message.

         * @since S60 3.2

         * @return      Transaction id to follow.

         */

        TUint32     TransActionIdToFollow ();

        /**

         * Set this active object to send the DHCP message

         * @since S60 3.2

         * @param aInetAddr

         * @param aStatus       Status to be notify after message

         *                      has been sent.

         * @param aIapAddress   Used

         * @return None

         */

        void SendDHCPMessageL ( TInetAddr aInetAddr, TUint32 aIpAddress,

                TRequestStatus& aStatus  );

    private:    // Methods

        /**

         * Finalize active object cancelation

         * @since S60 3.2

         */

        void DoCancel();

        /**

         * Finalize active object cancelation

         * @since S60 3.2

         */

        void RunL();

    private:

        /**

         * Symbian Os construtor which can leave

         *

         * @since S60 3.2

         */

        void  ConstructL();

        /**

         * C++ constructor

         * @since S60 3.2

         * @param aSocket Socket port where to send data

         *

         */

        CDhcpDataRequestor(RSocket& aSocket);

    private: // data

        CIPAppUtilsAddressResolver*     iIpAppUtilsResolver;

        // Used when make a query to the wlan subnet.

        RSocket& iSocket;

        /**

         * Filled in with amount of data sent before

         * completion.

         */

        TSockXfrLength          iLen;

        TRequestStatus* iClientStatus;

        //

        TDhcpLocationRequestPacket  iLocationRequestMsg;

        TInetAddr   iInetLclIpAddress;

        TUint32 iIapProfileId;

    };

#endif // DHCPDATASENDER_H