/*

* Copyright (c) 2004 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: 

*     This class handles SAP security checking

*

*/

#ifndef BT_SAP_SECURITY_HANDLER_H

#define BT_SAP_SECURITY_HANDLER_H

//  INCLUDES

#include <bt_sock.h>

#include <hciproxy.h>

#include <btengdevman.h>

// Vendor specific

const TUint8 KCmdInfo[] = {0xFC, 0x00, 0x00, 0x00, 0xFC, 0x04, 0xF0, 0x07, 0x00, 0x00};

const TInt KExtCmdLen = 10;

// Security settings

const TInt KRequiredPassKeyLen       = 16;

// FORWARD DECLARATIONS

class CBTEngDevMan;

class CBTHciExtensionMan;

enum TBTSapSecurityCheckResult

    {

    ESecurityOK,

    EGetEncryptionKeyFail,

    EEncryptionKeyTooShort,

    EPassKeyTooShort

    };

class CBTSapSecurityHandler : public CActive, MBTEngDevManObserver

    {

public:

    // Constructors

    static CBTSapSecurityHandler* NewL();

    // Destructor

	~CBTSapSecurityHandler();

private:     // From CActive

    /**

    * DoCancel() has to be implemented by all the classes deriving CActive.

    * Request cancellation routine.

    * @param none

    * @return none 

    */

    void DoCancel();

    /**

    * RunL is called by framework after request is being completed.

    * @param nones

    * @return none 

    */

	void RunL();

	/**

	* RunError is used for handling leaves that occure inside RunL

	*/

	TInt RunError(TInt aError);

public:

    void CheckSapSecurity(RSocket& aSocket, TRequestStatus& aStatus);

private:

    // Two-phase constructor

    void ConstructL();

    // Default constructor

    CBTSapSecurityHandler();

    // from MBTEngDevManObserver

    void HandleGetDevicesComplete(TInt aErr,CBTDeviceArray* aDeviceArray);

private:

    enum TState

        {

        EEncryptionKeyLength,

        EPassKeyLength

        };

private:

    TRequestStatus *iSecurityStatus;

    RSocket        *iSocket;

    CBTHciExtensionMan* iBtHci;

    CBTEngDevMan* iBtDevMan;

    CBTDeviceArray* iBtDeviceArray;

    TState iState;

    THCIConnHandle iHCIConnHandle;

    TPckgBuf<THCIConnHandle> iHCIHandleBuf;

    TBuf8<KExtCmdLen> iExtCmd;

    TUint8 iEncryptionKeyLength;

    };

#endif // BT_SAP_SECURITY_HANDLER_H