/*

* Copyright (c) 2005-2009 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:

* Name          : CIpSecSadbHandler.h

* Part of       : SIPSec

* Version       : SIP/4.0 

*

*/

/**

 @internalComponent

*/

#ifndef CIPSECSADBHANDLER_H

#define CIPSECSADBHANDLER_H

#include "MSipSecSaDbSendReceiveObserver.h"

class RSADB;

class MIpSecMechanismParams;

class MSipSecSadbObserver;

class TSipSecSaParams;

class CSIPSecurityClientHeader;

class CSIPSecurityHeaderBase;

class CSipSecSaDbMsgSender;

class TInetAddr;

// Sadb message hanling

class CIpSecSadbHandler : 

    public CBase, 

    public MSipSecSaDbSendReceiveObserver

	{

public:

    enum TSadbHandlerState

        {

        EAvailable,

        EAddingInbound1,

        EAddingInbound2,

        EAddingOutbound1,

        EAddingOutbound2,

        EDeletingInbound1,

        EDeletingInbound2,

        EDeletingOutbound1,

        EDeletingOutbound2

        };

    static CIpSecSadbHandler* NewL( MSipSecSadbObserver& aObserver, 

                                    RSADB& aSADB );

	~CIpSecSadbHandler();

private:

    CIpSecSadbHandler( MSipSecSadbObserver& aObserver );   

    void ConstructL( RSADB& aSADB );

public: // Public methods

   	void AddSasL( MIpSecMechanismParams& aParams,

				  TInetAddr aLocalAddress,

				  TInetAddr aRemoteAddress,

				  TSipSecSaParams& aSaParams );

	void DeleteSasL( MIpSecMechanismParams& aParams,

					 TInetAddr aLocalAddress,

				     TInetAddr aRemoteAddress,

				     TSipSecSaParams& aSaParams );

	void SetSaParamsL( TSipSecSaParams& aParams, 				     

					   CSIPSecurityHeaderBase& aCliHeader, 

				       CSIPSecurityHeaderBase& aSrvHeader,

				       const TDesC8& aAuthKey );

	void CancelAddSaOps();

	void SADBAddMsgReceived( TUint aMsgSeq, TInt aError );

public: // Functions from MSipSecSaDbSendReceiveObserver

	void MessageSentL( TInt aStatus,

					   TInt aMsgType );

	void MessageReceived( TInt aStatus );

private: // Private methods

    void IssueRequestL( MIpSecMechanismParams& aParams,

	                    TInetAddr& aLocalAddress,

	                    TInetAddr& aRemoteAddress,

	                    TSipSecSaParams& aSaParams );

	TBool IsAvailable();

	void Reset();

	void AddCompletedL( TInt aError );

	void DeleteCompletedL();

	void AddSaL( TInetAddr& aSourceAddress,

                 TInetAddr& aDestinationAddress,

                 TUint aSpi );

	void DeleteSaL( TInetAddr& aSourceAddress,

                    TInetAddr& aDestinationAddress,

                    TUint aSpi );

    void SAsAddedL( TBool aSuccess );

    TUint32 ConvertToBigEndian( TUint32 aNum );

private: // Data

    // Not owned

    MSipSecSadbObserver& iObserver;

    TSadbHandlerState iState;

    RArray<TUint> iOngoingAdds;

    CSipSecSaDbMsgSender* iSaDbMsgSender;

    // Not owned

    MIpSecMechanismParams* iParams;

    // Not owned

    TSipSecSaParams* iSaParams;

    TInetAddr iLocalAddress;

    TInetAddr iRemoteAddress;

#ifdef CPPUNIT_TEST

    friend class CSipSecAgreeRecord;

    friend class CSipIpSecTest;

#endif

	};

#endif // CIPSECSADBHANDLER_H

// End of File