/*

* 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:  Stream class definition for ISAKMP

*

*/

#ifndef IKEV1ISAKMPSTREAM_H

#define IKEV1ISAKMPSTREAM_H

#include <e32base.h>

class CIkev1Negotiation;

class TInetAddr;

class TAttrib;

class TIdentISAKMP;

class TAttrib_II;

class MIkeDebug;

//

// Constructing outgoing message

//

class TIkev1IsakmpStream

{

public:

    TIkev1IsakmpStream( MIkeDebug& aDebug );

    void IsakmpInit(CIkev1Negotiation *aSession);

    void IsakmpSa();

    void IsakmpKeyL();

    void IsakmpOwnIdentL();

    void IsakmpPeerIdentL();

    void IsakmpCertificateL();

    void IsakmpCertificateReqL();

    void IsakmpHashL();

    void IsakmpHashContL();

    void IsakmpSignatureL();

    void IsakmpNonce();

    void IsakmpNotification(TUint16 aType, TUint8 aProtocol, TUint8* aNotifData = NULL, TInt aLth = 0);

    void IsakmpReplayStatus(TUint8 aProtocol, TUint32 aSPI, TUint8 aReplayWindowLength);

    void IsakmpResponderLifetime(TUint8 aProtocol, TUint32 aSPI, const TDesC8 &aLifetime, const TDesC8 &aLifesize);

    void IsakmpDelete(TDesC8 &aSPI, TUint8 aProtocol);

    void IsakmpChre(TUint16 aLAMType, TUint16 aAttr1, HBufC8 *aBfr1,

                    TUint16 aAttr2, HBufC8 *aBfr2, TUint16 aAttr3, HBufC8 *aBfr3);

    void IsakmpVendorId(TInt aID_Type, TUint8 *aICOOKIE, TUint8 *aRCOOKIE, TInetAddr &aLocalAddr,

                        TUint8 *aGenericVidData = NULL, TInt aGenericVidLth = 0);

    void IsakmpIntnet(TUint32 aIpv4Addr);

    void IsakmpNatD(TBool aRfcNatt,TDesC8 &aHash);       

    void IsakmpAttributes(TUint8 aMsgType, TUint16 aIdentifier, TDesC8 &aAttributes);  

private:

    void IsakmpProposal();

    void IsakmpTransform(TUint8 *aTransform, TUint8 aNumTransforms);

    void IsakmpAttrib(TUint8 *aTransform);

    void IsakmpAttrib1(TAttrib *aTransform);

    void IsakmpAttrib2(TAttrib_II *aTransform);

    void IsakmpChreAttrib(TUint16 aType, HBufC8 *aBfr);

    void IsakmpIdentL(TBool aIsOwn);    //Own or Peer

	void Isakmp_Phase1_IdL(TDes8& aIdData, TIdentISAKMP& aIdPayload);	

private:

    CIkev1Negotiation *iNegotiation;//const 

    TUint8 *iNextPayload;

    TUint8 *iPropNextPayload;   //Used for Proposals to avoid overwritting the SA next 

                                //field which has to be filled by other payloads

    TUint8 *iTransfNextPayload; //For Transforms 

    TInt iHash_pos;             //Stores a position to insert the hash in PHASE_II

    MIkeDebug&      iDebug;

public:

    TBuf8<4096>    iBuf;

    TBool          iError;      //ETrue if any error building the message

    };

#endif // IKEV1ISAKMPSTREAM_H