// Copyright (c) 2008-2009 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:

// cqueryhandler.h

// 

//

/**

@file

@internalTechnology

*/

#ifndef __CQUERYHANDLER_H__

#define __CQUERYHANDLER_H__

//User include

#include "cmessagehandler.h"

#include <mdns/cdnsmessage.h>

#include "cbasehandler.h"

#include "mmessagehandler.h"

#include "mdnsdebug.h"

/**

Derived From CBaseHandler

Used to process response packet read from the mdns port

*/

class CQueryHandler : public CBaseHandler,public MMessageHandler

	{

	public :

		static CQueryHandler* NewL(CMessageHandler& aMessageHandler);

	 	~CQueryHandler();

	 	// Derived from CBaseHandler

	 	void HandleIncomingPacketL(CDnsMessage& aMessage, const TSockAddr& aAddr);

		void ServiceClientQueryL(CDnsMessage* aMessage,TInt aClientHandle);

		void OnPacketSendL(TInt aError);

		void SendQueryL(CDnsMessage* aMessage, MMessageHandler& aObserver);		

	private:

	    CQueryHandler(CMessageHandler& aMessageHandler);

	    void ConstructL();

	    TBool SuppressDuplicateAnswerL(const RPointerArray<CDnsResourceData>& aAnswers,const CDnsResourceData& aResourceData);

	    void HandleAnyQuestionL(CDnsMessage* aPacket,const RPointerArray<CDnsResourceData>& aAnswers,const CCacheEntry& aEntry);

	 	void ScheduleOutStandingQueryL(TInt aClientHandle , TBool aTriggerNow, TTime aInTime);    

	private	:

		TInt iClientHandle;

		/**

		    *FLOGGER debug trace member variable.

		    */

		    __FLOG_DECLARATION_MEMBER_MUTABLE;

	};

#endif