1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __CDNSPACKET_H__

    21 #define __CDNSPACKET_H__

    22 

    23 #include <e32base.h>

    24 #include <es_sock.h>

    25 #include <in_sock.h>

    26 

    27 #include "tdnsheader.h"

    28 

    29 #define __OOB(aIndex,aDataLength)     {if(aIndex >= aDataLength)  User::Leave(KErrCorrupt);}

    30 	

    31 _LIT8(KDot,".");

    32 

    33 class CDnsPacket : public CBase

    34 	{

    35 public:

    36     ~CDnsPacket();

    37 	static CDnsPacket* NewL(const TDes8& aPacketPtr);

    38 	TUint8  GetCharL();

    39 	TUint16 GetInt16L();

    40 	TUint32 GetInt32L();

    41 	const TDnsHeader& GetHeaderL();

    42 	void GetDomainNameL(TDes8& aName);

    43 	void GetRdDomainNameL(TDes8& aDomainName,TUint aLength);

    44 	void GetStringL(TDes8& aString, TUint16 aLength);			

    45 	

    46 private:

    47 	void ConstructL();

    48 	CDnsPacket(const TDes8& aPacketPtr);

    49 	void GetStringAtIndexL(TDes8& aLabel, TUint aOffset);

    50 	void GetDomainNameAtIndexL(TDes8& aDomainName, TUint aOffset);

    51 	

    52 private:

    53 	TDnsHeader iHeader;	

    54 	const TUint8* iPtr;

    55 	TUint iIndex;

    56 	TUint iDataLength;

    57 	TUint iMaxLength;

    58 	};

    59 

    60 #endif  //__CDNSPACKET_H__