sl@0: /*
sl@0: * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Random Server Codes
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file 
sl@0:  @internalTechnology
sl@0: */
sl@0:  
sl@0: #ifndef RANDSVRIMPL_H
sl@0: #define RANDSVRIMPL_H
sl@0: 
sl@0: 
sl@0: const TInt KRandomBlockSize=1024;
sl@0: const TInt KRandomPoolSize=2048;
sl@0: 
sl@0: class CRandomScheduler:public CActiveScheduler
sl@0: 	{
sl@0: public:
sl@0: 	static TBool New(void);
sl@0: 	void Error(TInt aError) const;
sl@0: 	};
sl@0: 
sl@0: class CRandomSession;
sl@0: 
sl@0: class CRandomServer : public CServer2
sl@0: 	{
sl@0: public:
sl@0: 	static TInt New(void);
sl@0: 	~CRandomServer(void);
sl@0: 	CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;
sl@0: 	friend class CRandomSession;
sl@0: private:
sl@0: 	CRandomServer(void);
sl@0: 	void ConstructL(void);
sl@0: 	void Stir(void);
sl@0: 	TPtrC8 GetRandom(void); 
sl@0: 	CMessageDigest* Hash(void) const;
sl@0: 	static TInt Tick(TAny* aPointer);
sl@0: 	TUint8* iPool;
sl@0: 	TInt iPoolIn;
sl@0: 	TInt iPoolOut;
sl@0: 	TInt iQuality;
sl@0: 	TBool iFast;
sl@0: 	CMessageDigest* iHash;
sl@0: 	CPeriodic* iTicker;
sl@0: 	};
sl@0: 
sl@0: class CRandomSession : public CSession2 
sl@0: 	{
sl@0: public:
sl@0: 	enum { KRandomRequest };
sl@0: 	static CRandomSession* NewL(CRandomServer* aServer);
sl@0: 	~CRandomSession(void);
sl@0: 	void ServiceL(const RMessage2& aMessage);
sl@0: private:
sl@0: 	TInt FillBuffer(const RMessage2& aMessage);
sl@0: 	CRandomServer* iServer;
sl@0: 	CRandomSession(CRandomServer* aServer);
sl@0: 	};
sl@0: 
sl@0: #endif // RANDSVRIMPL_H