// Copyright (c) 1998-2009 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:

// e32test\pccd\d_medt1.cpp

// 

//

#if defined(_UNICODE)

#if !defined(UNICODE)

#define UNICODE

#endif

#endif

#include <kernel/kernel.h>

const TInt KTestDriverBufferMaxSize=0x1000;	// 4K

class DPhysicalDeviceMediaTest : public DPhysicalDeviceMedia

	{

public:

	DPhysicalDeviceMediaTest();

	virtual TInt Install();

	virtual TInt Remove();

	virtual void GetCaps(TDes8 &aDes) const;

	virtual CBase *CreateL(TInt aDevice,const TDesC *anInfo,const TVersion &aVer);

	virtual TInt Priority();

	};

class DMediaDriverTest : public DMediaDriver

	{

public:

	DMediaDriverTest();

	TInt DoCreate(TMediaDevice aMediaDevice);

	void DoRead(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aTrg);

	void DoWrite(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aSrc);

	void DoFormat(TInt64 &aPos,TInt aLength);

	TInt Enlarge(TInt aLength);

	TInt ReduceSize(TInt64 &aPos,TInt aLength);

	void Close();

	TInt PartitionInfo(TPartitionInfo &anInfo);

	void Caps(TDes8& aCapsBuf);

private:

	static void WriteCompleteCallBack(TAny *aMediaDriver,TInt aDelay);

	static void FormatCompleteCallBack(TAny *aMediaDriver,TInt aDelay);

private:

	TUint8 iBuf[KTestDriverBufferMaxSize];

	TTickLink iWriteTickLink;

	TTickLink iFormatTickLink;

	};

DPhysicalDeviceMediaTest::DPhysicalDeviceMediaTest()

//

// Constructor

//

	{

	iUnitsMask=0x1; // Support only one 

	iVersion=TVersion(KMediaDriverInterfaceMajorVersionNumber,KMediaDriverInterfaceMinorVersionNumber,KMediaDriverInterfaceBuildVersionNumber);

	}

TInt DPhysicalDeviceMediaTest::Install()

//

// Install the test Media PDD.

//

	{

    TPtrC name=_L("Media.Tst1");

	return(SetName(&name));

	}

TInt DPhysicalDeviceMediaTest::Remove()

//

// Remove the test Media PDD.

//

	{

	return(KErrNone);

	}

void DPhysicalDeviceMediaTest::GetCaps(TDes8 &/* aDes */) const

//

// Return the media drivers capabilities.

//

	{

	}

CBase *DPhysicalDeviceMediaTest::CreateL(TInt aDevice,const TDesC * /* anInfo */,const TVersion &aVer)

//

// Create a test media driver.

//

	{

	if (User::QueryVersionSupported(iVersion,aVer)==EFalse)

		User::Leave(KErrNotSupported);

	DMediaDriverTest *mD=new(ELeave) DMediaDriverTest;

	TInt ret=mD->DoCreate((TMediaDevice)aDevice);

	if (ret!=KErrNone)

		{

		delete mD;

		User::Leave(ret);

		}

	return(mD);

	}

TInt DPhysicalDeviceMediaTest::Priority()

//

// Return the priority of this media driver

//

	{

	return(KMediaDriverPriorityLow); 

	}

DMediaDriverTest::DMediaDriverTest()

//

// Constructor.

//

	{

//	Mem::FillZ(&iBuf[0],sizeof(iBuf));

	}

TInt DMediaDriverTest::DoCreate(TMediaDevice aMediaDevice)

//

// Create the media driver.

//

	{

   	if (!__IS_REMOVABLE(aMediaDevice))

		return(KErrNotSupported);

	SetTotalSizeInBytes(KTestDriverBufferMaxSize);

	return(KErrNone);

	}

void DMediaDriverTest::DoRead(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aTrg)

//

// Read from specified area of media.

//

	{

	TInt ret=KErrNone;

	if (!aTrg.IsCurrentThread())

		ret=KErrGeneral;

	else

		{

		if ((ret=aTrg.CurrentThreadDescCheck(aLength))==KErrNone)

            {

			TDes8 &t=*((TDes8*)aTrg.iPtr);

			Mem::Copy((TAny*)(t.Ptr()+aTrg.iOffset),&iBuf[aPos.Low()],aLength);

			t.SetLength(aLength+aTrg.iOffset);

			}

		}

    Complete(KMediaDrvReadReq,ret);

	}

const TInt KWriteAsyncTime=100000;	// 100mS

void DMediaDriverTest::DoWrite(TInt64 &aPos,TInt aLength,TMediaDrvDescData &aSrc)

//

// Write to specifed area of media.

//

	{

	if (!aSrc.IsCurrentThread())

        Complete(KMediaDrvWriteReq,KErrGeneral);

	else

        {

		Mem::Copy(&iBuf[aPos.Low()],((TDesC8*)aSrc.iPtr)->Ptr()+aSrc.iOffset,aLength);

	    iWriteTickLink.OneShotInMicroSeconds(KWriteAsyncTime,DMediaDriverTest::WriteCompleteCallBack,this);

        }

	}

const TInt KFormatAsyncTime=5000000;	// 5S

void DMediaDriverTest::DoFormat(TInt64 &aPos,TInt aLength)

//

// Format the specified area of the media.

//

	{

    Mem::Fill(&iBuf[aPos.Low()],aLength,0xFF);

	iFormatTickLink.OneShotInMicroSeconds(KFormatAsyncTime,DMediaDriverTest::FormatCompleteCallBack,this);

	}

TInt DMediaDriverTest::Enlarge(TInt /*aLength*/)

//

// Enlarge the drive

//

	{

	return(KErrNotSupported);

	}

TInt DMediaDriverTest::ReduceSize(TInt64& /*aPos*/,TInt /*aLength*/)

//

// Reduce in size the drive

//

	{

	return(KErrNotSupported);

	}

void DMediaDriverTest::Close()

//

// Close the media driver

//

	{}

TInt DMediaDriverTest::PartitionInfo(TPartitionInfo &anInfo)

//

// Return partition information on the media.

//

	{

	anInfo.iPartitionCount=1;

	anInfo.iEntry[0].iPartitionBaseAddr=0;

	anInfo.iEntry[0].iPartitionLen=anInfo.iMediaSizeInBytes=TotalSizeInBytes();

	return(KErrNone);

	}

void DMediaDriverTest::Caps(TDes8& aCapsBuf)

//

// Return the capabilities of the media

	{

	TLocalDriveCapsV2 caps;

	caps.iType=EMediaRam;

	caps.iDriveAtt=KDriveAttLocal|KDriveAttRemovable;

	caps.iMediaAtt=KMediaAttFormattable;

	caps.iFileSystemId=KDriveFileSysFAT;

	caps.iHiddenSectors=0;

	aCapsBuf.FillZ(aCapsBuf.MaxLength());

	aCapsBuf.Copy((TUint8 *)&caps,Min(aCapsBuf.MaxLength(),sizeof(caps)));

	}

void DMediaDriverTest::WriteCompleteCallBack(TAny *aMediaDriver,TInt /*aDelay*/)

//

// Complete a write request

//

	{

	DMediaDriverTest &md=*(DMediaDriverTest*)aMediaDriver;

    md.Complete(KMediaDrvWriteReq,KErrNone);

	return;

	}

void DMediaDriverTest::FormatCompleteCallBack(TAny *aMediaDriver,TInt /*aDelay*/)

//

// Complete a format request

//

	{

	DMediaDriverTest &md=*(DMediaDriverTest*)aMediaDriver;

    md.Complete(KMediaDrvFormatReq,KErrNone);

	return;

	}

DECLARE_STANDARD_PDD()

	{

	return(new DPhysicalDeviceMediaTest);

	}