1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // cqueryhandler.h

    15 // 

    16 //

    17 /**

    18 @file

    19 @internalTechnology

    20 */

    21 

    22 

    23 

    24 #ifndef __CQUERYHANDLER_H__

    25 #define __CQUERYHANDLER_H__

    26 

    27 //User include

    28 #include "cmessagehandler.h"

    29 #include <mdns/cdnsmessage.h>

    30 #include "cbasehandler.h"

    31 #include "mmessagehandler.h"

    32 #include "mdnsdebug.h"

    33 /**

    34 Derived From CBaseHandler

    35 Used to process response packet read from the mdns port

    36 */

    37 class CQueryHandler : public CBaseHandler,public MMessageHandler

    38 	{

    39 	public :

    40 		static CQueryHandler* NewL(CMessageHandler& aMessageHandler);

    41 	 	~CQueryHandler();

    42 	 	

    43 	 	// Derived from CBaseHandler

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

    45 		void ServiceClientQueryL(CDnsMessage* aMessage,TInt aClientHandle);

    46 		void OnPacketSendL(TInt aError);

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

    48 	private:

    49 	    CQueryHandler(CMessageHandler& aMessageHandler);

    50 	    void ConstructL();

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

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

    53 	 	

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

    55 	private	:

    56 		TInt iClientHandle;

    57 		/**

    58 		    *FLOGGER debug trace member variable.

    59 		    */

    60 		    __FLOG_DECLARATION_MEMBER_MUTABLE;

    61 	};

    62 

    63 #endif

    64