// Copyright (c) 2004-2009 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:

 // f32test\virus\t_vshook.h

 // 

 //

 #if !defined(__T_VSSHOOK_H__)

 #define __T_VSSHOOK_H__

 #include <f32plugin.h>

 /**

 The buffer sized used when scanning a file for a virus.

 @internalComponent

 */

 const TInt KScanBufferSize = 512;

 /**

 The maximum number of virus signatures that can be stored

 in a virus scanner definition file.

 @internalComponent

 */

 const TInt KMaxVirusSignatures = 100;

 /**

 The actual implementation of the test virus scanning hook.

 It implements all of the pure virtual functions from CVirusHook.

 @internalComponent

 */

 class CTestVirusHook: public CFsPlugin

 	{

 public:

 	static CTestVirusHook* NewL();

 	~CTestVirusHook();

 	virtual void InitialiseL();

 	virtual TInt DoRequestL(TFsPluginRequest& aRequest);

 private:

 	enum TOperation {EFileOpen, EFileDelete, EFileRename, EFileClose};

 private:

 	CTestVirusHook();

 	TInt VsFileOpen(TFsPluginRequest& aRequest);

 	void VsFileClose(TFsPluginRequest& aRequest);

 	TInt VsFileRename(TFsPluginRequest& aRequest);

 	TInt VsDirRename(TFsPluginRequest& aRequest);

 	TInt VsReadFileSection(TFsPluginRequest& aRequest);

 	TInt VsFileDelete(TFsPluginRequest& aRequest);

 	TInt VirusScannerName(TDes& aName);

 public:

 /**

 Signature for binary compatibility testing

 @internalComponent

 */

 	TInt			iSignature;

 /**

 The virus scanners file server session

 @internalComponent

 */

 	RFs		   		iFs;

 /**

 The virus scanner thread.

 @internalComponent

 */

 	RThread		   iVsThread;

 /**

 An array containing the known virus signatures for the test virus

 scanner.  This array is filled up by the virus scanner thread when

 it initialised.

 @internalComponent

 */

 	HBufC8*		   iKnownSignatures[KMaxVirusSignatures];

 /**

 The number of signatures which have been loaded in the iKnownSignatures

 array.

 @internalComponent

 */

 	TInt		   iSignaturesLoaded;

 /**

 A pointer to the class containing all of the functions executed within the

 virus scanning thread.

 @internalComponent

 */

 //	CTestVsThread* iVsThreadClass;

 private:

 	TInt ScanFile(const TDesC& aName);

 	void CleanFile(const TDesC& aName, TInt aOperation);

 	TInt ScanBuffer();

 	TInt ValidateRequest(TFsPluginRequest& aRequest, TFileName& aFileName);

 	TInt ReadVirusDefinitionFile();

 /**

 An internal buffer used when scanning a file for virus signatures.

 @internalComponent

 */

 	TBuf8<KScanBufferSize> iScanBuf;

 private:

 	TInt iDrvNumber;

 	};

 #endif