/*

* Copyright (c) 2007-2007 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:  Symbian OS server results database.

*  libraries   : 

*

*/

#ifndef DIAG_RESULTS_DB_SERVER_H

#define DIAG_RESULTS_DB_SERVER_H

#include "diagresultsdatabasecommon.h"

//System includes

#include <e32base.h>

#include <f32file.h>

/**

* Results database symbian OS server class. Creates server sessions and keeps

* track of the session counts.

*

* @since S60 v5.0

**/

class CDiagResultsDbServer : public CPolicyServer

	{

public:

    /**

    * Destructor

    **/ 

	~CDiagResultsDbServer();

	/**

	* NewLC. 

	* @param aPolicy Security policy that is defined at the end of this file.

	**/

	static void NewLC(const TPolicy &aPolicy);

	/**

	* Create a new server session.

	* @param aVersion version of the server.

	* @param aMessage

	* @return a new session.

	**/

	virtual CSession2 *NewSessionL(const TVersion &aVersion, const RMessage2 &/*aMessage*/) const;

	/**

	* Run server i.e. first create cleanup stack and active scheduler. This server is CActive based.

	* @return Symbian error code or KErrNone.

	**/

	static TInt RunServer();

	static void RunServerL();

public: // New methods

    /**

    * Create object container that is needed when handling subsession.

    * @return object container.

    **/

	CObjectCon* NewContainerL();

	/**

	* Remove object container from container index.

	* @param aCon container to be removed.

	**/

	void RemoveContainer(CObjectCon* aCon);

    /**

	* Decrease session count by one. ServerSession uses this function when client dies.

	**/

	void DecreaseSessionCount();

	/**

	* Increase session count by one. ServerSession uses this function when client dies.

	**/

	void IncreaseSessionCount();

	/**

	* Returns the number of active sessions.

	* @return Session count.

	**/

	TInt SessionCount();

	/**

	* Custom security check. From CPolicyServer.

	**/

	TCustomResult CustomSecurityCheckL(const RMessage2 &aMsg, TInt &aAction, TSecurityInfo &aMissing);

protected:

    /**

    * Constructor.

    * @param aPriority Priority of this server. Should be pretty high.

    * @param aPolicy Security policy of this server.

    **/

	CDiagResultsDbServer(TInt aPriority, const TPolicy &aPolicy);

private:

    /**

    * ConstructL.

    **/

	void ConstructL();

private: // Data

    // For creating object container instances

	CObjectConIx* iContainerIndex;  

	// The number of active sessions 

	TInt iSessionCount;

	};

// Security policy definition.

// ReadDeviceData + WriteDeviceData is needed.

const CPolicyServer::TPolicyElement elements[] = 

	{

		{_INIT_SECURITY_POLICY_C2(ECapabilityReadDeviceData, ECapabilityWriteDeviceData),

			 CPolicyServer::EFailClient},

	};

const TInt ranges[2] = 

		{

		0,

		DiagResultsDbCommon::ENotSupported,

		};

const TUint8 elementsIndex[2] = 

		{

		CPolicyServer::ECustomCheck, //ReadDeviceData + WriteDeviceData for all clients.

        CPolicyServer::ENotSupported,

		};

const CPolicyServer::TPolicy policy = 

	{

	CPolicyServer::EAlwaysPass,	// on connect

	2,		// range count

	ranges, 

  	elementsIndex,

	elements,

  	};    

#endif //DIAG_RESULTS_DB_SERVER_H