/*

 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "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: 

 * Random Server Codes

 *

 */

 /**

  @file 

  @internalTechnology

 */

 #ifndef RANDSVRIMPL_H

 #define RANDSVRIMPL_H

 const TInt KRandomBlockSize=1024;

 const TInt KRandomPoolSize=2048;

 class CRandomScheduler:public CActiveScheduler

 	{

 public:

 	static TBool New(void);

 	void Error(TInt aError) const;

 	};

 class CRandomSession;

 class CRandomServer : public CServer2

 	{

 public:

 	static TInt New(void);

 	~CRandomServer(void);

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

 	friend class CRandomSession;

 private:

 	CRandomServer(void);

 	void ConstructL(void);

 	void Stir(void);

 	TPtrC8 GetRandom(void); 

 	CMessageDigest* Hash(void) const;

 	static TInt Tick(TAny* aPointer);

 	TUint8* iPool;

 	TInt iPoolIn;

 	TInt iPoolOut;

 	TInt iQuality;

 	TBool iFast;

 	CMessageDigest* iHash;

 	CPeriodic* iTicker;

 	};

 class CRandomSession : public CSession2 

 	{

 public:

 	enum { KRandomRequest };

 	static CRandomSession* NewL(CRandomServer* aServer);

 	~CRandomSession(void);

 	void ServiceL(const RMessage2& aMessage);

 private:

 	TInt FillBuffer(const RMessage2& aMessage);

 	CRandomServer* iServer;

 	CRandomSession(CRandomServer* aServer);

 	};

 #endif // RANDSVRIMPL_H