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 

    22 /**

    23  @file 

    24  @internalTechnology

    25 */

    26  

    27 #ifndef __RANDSVR_H__

    28 #define __RANDSVR_H__

    29 

    30 #include <e32base.h>

    31 #include <hash.h>

    32 

    33 

    34 /** 

    35 @publishedPartner

    36 @released

    37 */

    38 IMPORT_C TInt RunRandomServer(TAny* /*someParameters*/);

    39 

    40 const TInt KRandomBlockSize=1024;

    41 const TInt KRandomPoolSize=2048;

    42 

    43 /**

    44  *

    45  * @internalTechnology

    46  */

    47 class CRandomScheduler:public CActiveScheduler

    48 	{

    49 public:

    50 	static TBool New(void);

    51 	void Error(TInt aError) const;

    52 	};

    53 

    54 class CRandomSession;

    55 

    56 /**

    57  *

    58  * @internalTechnology

    59  */

    60 class CRandomServer : public CServer2

    61 	{

    62 public:

    63 	static TInt New(void);

    64 	~CRandomServer(void);

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

    66 	friend class CRandomSession;

    67 private:

    68 	CRandomServer(void);

    69 	void ConstructL(void);

    70 	void Stir(void);

    71 	TPtrC8 GetRandom(void); 

    72 	CMessageDigest* Hash(void) const;

    73 	static TInt Tick(TAny* aPointer);

    74 	TUint8* iPool;

    75 	TInt iPoolIn;

    76 	TInt iPoolOut;

    77 	TInt iQuality;

    78 	TBool iFast;

    79 	CMessageDigest* iHash;

    80 	CPeriodic* iTicker;

    81 	};

    82 

    83 /**

    84  *

    85  * @internalTechnology

    86  */

    87 class CRandomSession : public CSession2 

    88 	{

    89 public:

    90 	enum { KRandomRequest };

    91 	static CRandomSession* NewL(CRandomServer* aServer);

    92 	~CRandomSession(void);

    93 	void ServiceL(const RMessage2& aMessage);

    94 private:

    95 	TInt FillBuffer(const RMessage2& aMessage);

    96 	CRandomServer* iServer;

    97 	CRandomSession(CRandomServer* aServer);

    98 	};

    99 

   100 #endif