// Copyright (c) 2002-2009 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\ext\logext.cpp

// extension that records/prints out accesses to each function and length of reads and writes

// 

//

#include <f32fsys.h>

struct TAccessLength

	{

	TInt iless512;

	TInt i512;

	TInt imore512;

	};

class CLoggerExtProxyDrive : public CBaseExtProxyDrive

	{

public:

	static CLoggerExtProxyDrive* NewL(CProxyDrive* aProxyDrive, CMountCB* aMount);

	~CLoggerExtProxyDrive();

public:

	virtual TInt Initialise();

	virtual TInt Dismounted();

	virtual TInt Enlarge(TInt aLength);

	virtual TInt ReduceSize(TInt aPos, TInt aLength);

	virtual TInt Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt anOffset);

	virtual TInt Read(TInt64 aPos,TInt aLength,TDes8& aTrg);

	virtual TInt Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt anOffset);

	virtual TInt Write(TInt64 aPos,const TDesC8& aSrc);

	virtual TInt Caps(TDes8& anInfo);

	virtual TInt Format(TFormatInfo& anInfo);

	virtual TInt GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput);

private:

	CLoggerExtProxyDrive(CProxyDrive* aProxyDrive, CMountCB* aMount);

private:

	TInt iInitialise;

	TInt iDismounted;

	TInt iEnlarge;

	TInt iReduceSize;

	TInt iReadThread;

	TAccessLength iReadThreadLength;

	TInt iRead;

	TAccessLength iReadLength;

	TInt iWriteThread;

	TAccessLength iWriteThreadLength;

	TInt iWrite;

	TAccessLength iWriteLength;

	TInt iCaps;

	TInt iFormat;

	};

class CLoggerProxyDriveFactory : public CProxyDriveFactory

	{

public:

	CLoggerProxyDriveFactory();

	virtual TInt Install();			

	virtual CProxyDrive* NewProxyDriveL(CProxyDrive* aProxy,CMountCB* aMount);

	};

LOCAL_C void LogLength(TAccessLength& aAccess,TInt aLength)

//

//

//

	{

	if(aLength<512)

		{

		aAccess.iless512++;

		}

	else if(aLength==512)

		{

		aAccess.i512++;

		}

	else

		aAccess.imore512++;

	}

LOCAL_C void PrintLength(TAccessLength& aAccess)

//

//

//

	{

	RDebug::Print(_L("\t<512 = %d"),aAccess.iless512);

	RDebug::Print(_L("\t 512 = %d"),aAccess.i512);

	RDebug::Print(_L("\t>512 = %d"),aAccess.imore512);

	}

CLoggerExtProxyDrive* CLoggerExtProxyDrive::NewL(CProxyDrive* aProxyDrive, CMountCB* aMount)

//

//

//

	{

	CLoggerExtProxyDrive* temp=new(ELeave) CLoggerExtProxyDrive(aProxyDrive,aMount);

	return(temp);

	}

CLoggerExtProxyDrive::CLoggerExtProxyDrive(CProxyDrive* aProxyDrive, CMountCB* aMount):CBaseExtProxyDrive(aProxyDrive,aMount)

	{

	RDebug::Print(_L("CLoggerExtProxyDrive::CLoggerExtProxyDrive"));

	}

CLoggerExtProxyDrive::~CLoggerExtProxyDrive()

//

//

//

	{

	// print out the figures obtained

	RDebug::Print(_L("Initialise = %d"),iInitialise);

	RDebug::Print(_L("Dismounted = %d"),iDismounted);

	RDebug::Print(_L("Enlarge = %d"),iEnlarge);

	RDebug::Print(_L("ReduceSize = %d"),iReduceSize);

	RDebug::Print(_L("Read Thread = %d"),iReadThread);

	if(iReadThread)

		PrintLength(iReadThreadLength);

	RDebug::Print(_L("Read = %d"),iRead);

	if(iRead)

		PrintLength(iReadLength);

	RDebug::Print(_L("Write Thread = %d"),iWriteThread);

	if(iWriteThread)

		PrintLength(iWriteThreadLength);

	RDebug::Print(_L("Write = %d"),iWrite);

	if(iWrite)

		PrintLength(iWriteLength);

	RDebug::Print(_L("Caps = %d"),iCaps);

	RDebug::Print(_L("Format = %d"),iFormat);

	}

TInt CLoggerExtProxyDrive::Initialise()

//

//

//

	{

	RDebug::Print(_L("CLoggerExtProxyDrive::Initialise()"));

	++iInitialise;

	return(CBaseExtProxyDrive::Initialise());

	}

TInt CLoggerExtProxyDrive::Dismounted()

//

//

//

	{

	RDebug::Print(_L("CLoggerExtProxyDrive::Dismounted()"));

	++iDismounted;

	return(CBaseExtProxyDrive::Dismounted());

	}

TInt CLoggerExtProxyDrive::Enlarge(TInt aLength)

//

//

//

	{

	++iEnlarge;

	return(CBaseExtProxyDrive::Enlarge(aLength));

	}

TInt CLoggerExtProxyDrive::ReduceSize(TInt aPos, TInt aLength)

//

//

//

	{

	++iReduceSize;

	return(CBaseExtProxyDrive::ReduceSize(aPos,aLength));

	}

TInt CLoggerExtProxyDrive::Read(TInt64 aPos,TInt aLength,const TAny* aTrg,TInt aThreadHandle,TInt anOffset)

//

//

//

	{

	++iReadThread;

	LogLength(iReadThreadLength,aLength);

	return(CBaseExtProxyDrive::Read(aPos,aLength,aTrg,aThreadHandle,anOffset));

	}

TInt CLoggerExtProxyDrive::Read(TInt64 aPos,TInt aLength,TDes8& aTrg)

//

//

//

	{

	++iRead;

	LogLength(iReadLength,aLength);

	return(CBaseExtProxyDrive::Read(aPos,aLength,aTrg));

	}

TInt CLoggerExtProxyDrive::Write(TInt64 aPos,TInt aLength,const TAny* aSrc,TInt aThreadHandle,TInt anOffset)

//

//

//

	{

	++iWriteThread;

	LogLength(iWriteThreadLength,aLength);

	return(CBaseExtProxyDrive::Write(aPos,aLength,aSrc,aThreadHandle,anOffset));

	}

TInt CLoggerExtProxyDrive::Write(TInt64 aPos,const TDesC8& aSrc)

//

//

//

	{

	++iWrite;

	LogLength(iWriteLength,aSrc.Length());

	return(CBaseExtProxyDrive::Write(aPos,aSrc));

	}

TInt CLoggerExtProxyDrive::Caps(TDes8& anInfo)

//

//

//

	{

	++iCaps;

	return(CBaseExtProxyDrive::Caps(anInfo));

	}

TInt CLoggerExtProxyDrive::Format(TFormatInfo& anInfo)

//

//

//

	{

	++iFormat;

	return(CBaseExtProxyDrive::Format(anInfo));

	}

TInt CLoggerExtProxyDrive::GetInterface(TInt aInterfaceId,TAny*& aInterface,TAny* aInput)

	{

	switch(aInterfaceId)

		{

		// file caching supported, so pass query on to next extension

		case ELocalBufferSupport:

			return CBaseExtProxyDrive::LocalBufferSupport();

		default:

			return CBaseExtProxyDrive::GetInterface(aInterfaceId, aInterface, aInput);

		}

	}

CLoggerProxyDriveFactory::CLoggerProxyDriveFactory()

//

//

//

	{

	RDebug::Print(_L("CLoggerProxyDriveFactory::CLoggerProxyDriveFactory"));

	}

TInt CLoggerProxyDriveFactory::Install()

//

//

//

	{

	_LIT(KLoggerName,"Logger");

	return(SetName(&KLoggerName));

	}

CProxyDrive* CLoggerProxyDriveFactory::NewProxyDriveL(CProxyDrive* aProxy,CMountCB* aMount)

//

//

//

	{

	return(CLoggerExtProxyDrive::NewL(aProxy,aMount));

	}

extern "C" {

EXPORT_C CProxyDriveFactory* CreateFileSystem()

//

// Create a new file system

//

	{

	return(new CLoggerProxyDriveFactory());

	}

}