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 #include <hash.h>

    29 

    30 

    31 const TInt KRandomBlockSize=1024;

    32 const TInt KRandomPoolSize=2048;

    33 

    34 class CRandomScheduler:public CActiveScheduler

    35 	{

    36 public:

    37 	static TBool New(void);

    38 	void Error(TInt aError) const;

    39 	};

    40 

    41 class CRandomSession;

    42 

    43 class CRandomServer : public CServer2

    44 	{

    45 public:

    46 	static CRandomServer* NewL(void);

    47 	~CRandomServer(void);

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

    49 	friend class CRandomSession;

    50 private:

    51 	CRandomServer(void);

    52 	void ConstructL(void);

    53 	void Stir(void);

    54 	TPtrC8 GetRandom(void); 

    55 	CMessageDigest* Hash(void) const;

    56 	static TInt Tick(TAny* aPointer);

    57 	TUint8* iPool;

    58 	TInt iPoolIn;

    59 	TInt iPoolOut;

    60 	TInt iQuality;

    61 	TBool iFast;

    62 	CMessageDigest* iHash;

    63 	CPeriodic* iTicker;

    64 	};

    65 

    66 class CRandomSession : public CSession2 

    67 	{

    68 public:

    69 	enum { KRandomRequest };

    70 	static CRandomSession* NewL(CRandomServer* aServer);

    71 	~CRandomSession(void);

    72 	void ServiceL(const RMessage2& aMessage);

    73 private:

    74 	TInt FillBuffer(const RMessage2& aMessage);

    75 	CRandomServer* iServer;

    76 	CRandomSession(CRandomServer* aServer);

    77 	};

    78 

    79 #endif // RANDSVRIMPL_H