/*

* 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