// Copyright (c) 2007-2009 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:

// The DHCP IPv4 Server Control header file

// 

//

/**

 @file DHCPIP4ServerControl.h

*/

#ifndef __DHCPIP4SERVERCONTROL_H__

#define __DHCPIP4SERVERCONTROL_H__

#include <e32base.h>

#include "DHCPIP4Control.h"

#include "DHCPIP4StateMachine.h"

#ifdef SYMBIAN_DNS_PROXY

#include "dnsproxyclient.h"

class CDNSProxyUpdateIf;

#endif // SYMBIAN_DNS_PROXY

#ifdef SYMBIAN_DNS_PROXY

const TInt KMaxAddStr = 50;

#endif

class RSocketServ;

class CDHCPIP4ServerControl : public CDHCPIP4Control

/** This class is the control object for DHCPv4 Server implementation

  * It maintains the upper states for the DHCP server implementation - The upper states are

  * - Wait For DISCOVER / INFORM

  * - Wait For RENEW / RELEASE

  * - Wait For REBIND / RELEASE

  */

	{

public:

	CDHCPIP4ServerControl(RSocketServ& aEsock, TConfigType aConfigType);

	virtual ~CDHCPIP4ServerControl();

	virtual void ConfigureL(const TConnectionInfo& aInfo, const RMessage2* aMessage);

	virtual void TimerExpired();	//timer callback

protected:

	CDHCPIP4StateMachine* DhcpStateMachine();

   	void TaskCompleteL(TInt aError);

private:

#ifdef SYMBIAN_DNS_PROXY

    void ConfigureDnsProxyL(const RMessage2* aMessage);

#endif // SYMBIAN_DNS_PROXY

private:

#ifdef SYMBIAN_DNS_PROXY

	CDNSProxyUpdateIf* iDnsProxyPlugin;

    RDNSClient     iDnsProxySession;

    TRequestStatus iProxyStatus;

    TInetAddr      iInterfaceAddr;

    TInetAddr      iOfferedAddr;

    TBool          iUpdateDnsProxyDb;

    TBuf<KMaxAddStr> iAddrStr;

#endif // SYMBIAN_DNS_PROXY

	};

inline CDHCPIP4ServerControl::CDHCPIP4ServerControl(RSocketServ& aEsock, TConfigType aConfigType) :

	CDHCPIP4Control(aEsock,aConfigType)

	{

	}

inline CDHCPIP4StateMachine* CDHCPIP4ServerControl::DhcpStateMachine()

	{

   	return static_cast<CDHCPIP4StateMachine*>(iDhcpStateMachine);

	}

#endif // __DHCPIP4SERVERCONTROL_H__