1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Random Server Codes

    16 *

    17 */

    18 

    19 

    20 /**

    21  @file 

    22  @internalTechnology

    23 */

    24  

    25 #ifndef RANDSVRIMPL_H

    26 #define RANDSVRIMPL_H

    27 

    28 

    29 const TInt KRandomBlockSize=1024;

    30 const TInt KRandomPoolSize=2048;

    31 

    32 class CRandomScheduler:public CActiveScheduler

    33 	{

    34 public:

    35 	static TBool New(void);

    36 	void Error(TInt aError) const;

    37 	};

    38 

    39 class CRandomSession;

    40 

    41 class CRandomServer : public CServer2

    42 	{

    43 public:

    44 	static TInt New(void);

    45 	~CRandomServer(void);

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

    47 	friend class CRandomSession;

    48 private:

    49 	CRandomServer(void);

    50 	void ConstructL(void);

    51 	void Stir(void);

    52 	TPtrC8 GetRandom(void); 

    53 	CMessageDigest* Hash(void) const;

    54 	static TInt Tick(TAny* aPointer);

    55 	TUint8* iPool;

    56 	TInt iPoolIn;

    57 	TInt iPoolOut;

    58 	TInt iQuality;

    59 	TBool iFast;

    60 	CMessageDigest* iHash;

    61 	CPeriodic* iTicker;

    62 	};

    63 

    64 class CRandomSession : public CSession2 

    65 	{

    66 public:

    67 	enum { KRandomRequest };

    68 	static CRandomSession* NewL(CRandomServer* aServer);

    69 	~CRandomSession(void);

    70 	void ServiceL(const RMessage2& aMessage);

    71 private:

    72 	TInt FillBuffer(const RMessage2& aMessage);

    73 	CRandomServer* iServer;

    74 	CRandomSession(CRandomServer* aServer);

    75 	};

    76 

    77 #endif // RANDSVRIMPL_H