// Copyright (c) 1996-2009 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\t_pccdbm.cpp

// 

//

#include "../mmu/d_sharedchunk.h"

#include <hal.h>

#include <e32test.h>

#include <e32svr.h>

#include <e32hal.h>

#include <e32uid.h>

const TInt K1K = 1024;

const TInt K4K = 4096;

const TInt K1MB = K1K*K1K;

const TInt KMaxTestSize = K1MB;     // Redefine to increase test length

const TInt KVeryLongRdWrBufLen=((KMaxTestSize*2)+K4K);	// Double Max Test size + 4K

LOCAL_D TPtr8 DataBuf(NULL, KVeryLongRdWrBufLen,KVeryLongRdWrBufLen);

LOCAL_D HBufC8* wrBufH = NULL;

LOCAL_D TInt DriveNumber;

LOCAL_D TBusLocalDrive TheDrive;

LOCAL_D TBool IsReadOnly;

LOCAL_D RSharedChunkLdd Ldd;

LOCAL_D RChunk TheChunk;

const TUint ChunkSize = KVeryLongRdWrBufLen;

const TTimeIntervalMicroSeconds32 KFloatingPointTestTime = 10000000;	// 10 seconds

LOCAL_D TInt gFastCounterFreq;

LOCAL_D TBool ChangeFlag;

RTest test(_L("Local Drive BenchMark Test"));

///// Buffer Allocation

void AllocateBuffers()

	{

	test.Next(_L("Allocate Buffers"));

	wrBufH = HBufC8::New(KVeryLongRdWrBufLen);

	test(wrBufH != NULL);

	}

void AllocateSharedBuffers(TBool Fragmented, TBool Caching)

	{

	// Setup SharedMemory Buffers

	test.Next(_L("Allocate Shared Memory\n"));

	RLoader l;

	test(l.Connect()==KErrNone);

	test(l.CancelLazyDllUnload()==KErrNone);

	l.Close();

	test.Printf(_L("Initialise\n"));

	TInt PageSize = 0;

	TInt r = UserHal::PageSizeInBytes(PageSize);

	test(r==KErrNone);

	test.Printf(_L("Loading test driver\n"));

	r = User::LoadLogicalDevice(KSharedChunkLddName);

	test(r==KErrNone || r==KErrAlreadyExists);

	test.Printf(_L("Opening channel\n"));

	r = Ldd.Open();

	test(r==KErrNone);

	test.Printf(_L("Create chunk\n"));

	TUint aCreateFlags = EMultiple|EOwnsMemory;

	if (Caching)

		{

		test.Printf(_L("Chunk Type:Caching\n"));

		aCreateFlags |= ECached;

		}

	else

		test.Printf(_L("Chunk Type:Fully Blocking\n"));

    TCommitType aCommitType = EContiguous;

    TUint TotalChunkSize = ChunkSize;  // rounded to nearest Page Size

	TUint ChunkAttribs = TotalChunkSize|aCreateFlags;	

	r = Ldd.CreateChunk(ChunkAttribs);

	test(r==KErrNone);

	if(Fragmented)

		{

		test.Printf(_L("Commit Fragmented Memory\n"));

		// Allocate Pages in reverse order to maximise memory fragmentation

		TUint i = ChunkSize;

		do

			{

			i-=PageSize;

			test.Printf(_L("Commit %d\n"), i);

			r = Ldd.CommitMemory(aCommitType|i,PageSize);

			test(r==KErrNone);

			}while (i>0);

		}

	else

		{

		test.Printf(_L("Commit Contigouos Memory\n"));

		r = Ldd.CommitMemory(aCommitType,TotalChunkSize);

		test(r==KErrNone);

		}

	test.Printf(_L("Open user handle\n"));

	r = Ldd.GetChunkHandle(TheChunk);

	test(r==KErrNone);

	}

void DeAllocateBuffers()

	{

	delete wrBufH;

	}

void DeAllocareSharedMemory()

	{

// destory chunk

	test.Printf(_L("Shared Memory\n"));

	test.Printf(_L("Close user chunk handle\n"));

	TheChunk.Close();

	test.Printf(_L("Close kernel chunk handle\n"));

	TInt r = Ldd.CloseChunk();  // 1==DObject::EObjectDeleted

	test(r==1);

	test.Printf(_L("Check chunk is destroyed\n"));

	r = Ldd.IsDestroyed();

	test(r==1);

	test.Printf(_L("Close test driver\n"));

	Ldd.Close();

	}

// end Buffer allocation

LOCAL_C void FillRegion(TInt aBlockSize)

/**

 * Fill media starting at pos 0, 

 * with a pattern of 2*aBlockSize in length

 */

	{

	test.Printf(_L("Fill Region with Data!\n"));

	DataBuf.SetLength(aBlockSize);

	//fill up buffer

	for (TInt i=0;i<(aBlockSize);i++)

		{

		DataBuf[i]=(TUint8)(0xFF-i);

		}

	TInt r = TheDrive.Write(0, DataBuf);

	test (r == KErrNone);

	}

LOCAL_C void DoTestRead(TInt aBlockSize)

// 

// Multiple Read operations of aBlockSize are performed for 10 seconds.

// Average is then displayed.

//

	{

	DataBuf.SetLength(aBlockSize);

	TUint functionCalls = 0;

	TUint initTicks = 0;

	TUint finalTicks = 0;

	RTimer timer;

	timer.CreateLocal();

	TRequestStatus reqStat;

	TInt pos = 0;

	timer.After(reqStat, KFloatingPointTestTime);

	initTicks = User::FastCounter();

	for (TInt i = 0; reqStat==KRequestPending; i++)

		{

		TInt r = TheDrive.Read(pos, aBlockSize, DataBuf);

		test (r == KErrNone);

		pos += aBlockSize;

		if (pos > KVeryLongRdWrBufLen-aBlockSize)

			pos = 0;

		functionCalls++;

		}

	finalTicks = User::FastCounter();

	timer.Close();

	TTimeIntervalMicroSeconds duration = TInt64(finalTicks - initTicks) * TInt64(1000000) / TInt64(gFastCounterFreq) ;

	TInt dataTransferred = functionCalls * aBlockSize;

	TReal transferRate =  TReal32(dataTransferred) / 

						 TReal(duration.Int64()) * TReal(1000000) / TReal(K1K); // KB/s

	test.Printf(_L("Read  %7d bytes in %7d byte blocks:\t%11.3f KBytes/s\n"), 

				    dataTransferred, aBlockSize, transferRate);

	return;

	}	

LOCAL_C void TestRead()

/**

 * Repeat read test for values between 1Byte and KMaxTestSize, in steps of power of 2

 */

	{

	FillRegion(KVeryLongRdWrBufLen);

	for (TInt i = 1; i<=KMaxTestSize; i*=2)

		{

		DoTestRead(i);

		}

	}

LOCAL_C void DoTestWrite(TInt aBlockSize)

// 

// Multiple Write operations of aBlockSize are performed for 10 seconds.

// Average is then displayed.

//

	{

	DataBuf.SetLength(aBlockSize);

	//fill up buffer

	for (TInt i=0;i<aBlockSize;i++)

		{

		DataBuf[i]=(TUint8)(0xFF-i);

		}

	TUint functionCalls = 0;

	TUint initTicks = 0;

	TUint finalTicks = 0;

	RTimer timer;

	timer.CreateLocal();

	TRequestStatus reqStat;

	TInt pos = 0;

	timer.After(reqStat, KFloatingPointTestTime);

	initTicks = User::FastCounter();

	for (TInt j = 0; reqStat==KRequestPending; j++)

		{

		TInt r = TheDrive.Write(pos, DataBuf);

		test (r == KErrNone);

		pos += aBlockSize;

		if (pos > KVeryLongRdWrBufLen-aBlockSize)

			pos = 0;

		functionCalls++;

		}

	finalTicks = User::FastCounter();

	timer.Close();

	TTimeIntervalMicroSeconds duration = TInt64(finalTicks - initTicks) * TInt64(1000000) / TInt64(gFastCounterFreq) ;

	TInt dataTransferred = functionCalls * aBlockSize;

	TReal transferRate =  TReal32(dataTransferred) / 

						 TReal(duration.Int64()) * TReal(1000000) / TReal(K1K); // KB/s

	test.Printf(_L("Write %7d bytes in %7d byte blocks:\t%11.3f KBytes/s\n"), 

				    dataTransferred, aBlockSize, transferRate);

	return;

	}	

LOCAL_C void TestWrite()

/**

 * Repeat write test for values between 1Byte and KMaxTestSize, in steps of power of 2

 */

	{

	for (TInt i = 1; i<=KMaxTestSize; i*=2)

		{

		DoTestWrite(i);

		}

	}

TBool TestDriveInfo()

	{

	test.Next( _L("Test drive info") );

	TLocalDriveCapsV6Buf DriveCaps;

	TheDrive.Caps( DriveCaps );

	test.Printf( _L("Caps V1:\n\tiSize=0x%lx\n\tiType=%d\n\tiBattery=%d\n\tiDriveAtt=0x%x\n\tiMediaAtt=0x%x\n\tiBaseAddress=0x%x\n\tiFileSystemId=0x%x\n\tiPartitionType=0x%x\n"),

			DriveCaps().iSize,

			DriveCaps().iType,

			DriveCaps().iBattery,

			DriveCaps().iDriveAtt,

			DriveCaps().iMediaAtt,

			DriveCaps().iBaseAddress,

			DriveCaps().iFileSystemId,

			DriveCaps().iPartitionType );

	test.Printf( _L("Caps V2:\n\tiHiddenSectors=0x%x\n\tiEraseBlockSize=0x%x\nCaps V3:\n\tiExtraInfo=%x\n\tiMaxBytesPerFormat=0x%x\n"),

			DriveCaps().iHiddenSectors,

			DriveCaps().iEraseBlockSize, 

			DriveCaps().iExtraInfo,

			DriveCaps().iMaxBytesPerFormat );

	test.Printf( _L("Format info:\n\tiCapacity=0x%lx\n\tiSectorsPerCluster=0x%x\n\tiSectorsPerTrack=0x%x\n\tiNumberOfSides=0x%x\n\tiFatBits=%d\n"),

			DriveCaps().iFormatInfo.iCapacity,

			DriveCaps().iFormatInfo.iSectorsPerCluster,

			DriveCaps().iFormatInfo.iSectorsPerTrack,

			DriveCaps().iFormatInfo.iNumberOfSides,

			DriveCaps().iFormatInfo.iFATBits );

	test.Printf( _L("Caps V4:\n"));

	test.Printf(_L("\tiNumberOfSectors: %d\r\n"),DriveCaps().iNumberOfSectors);

	test.Printf(_L("\tiNumPagesPerBlock: %d\r\n"),DriveCaps().iNumPagesPerBlock);

	test.Printf(_L("\tiSectorSizeInBytes: %d\r\n"),DriveCaps().iSectorSizeInBytes);

	test.Printf(_L("\tiNumBytesSpare: %d\r\n"),DriveCaps().iNumBytesSpare);

	test.Printf(_L("\tiEffectiveBlks: %d\r\n"),DriveCaps().iEffectiveBlks);

	test.Printf(_L("\tiStartPage: %d\r\n"),DriveCaps().iStartPage);

	test.Printf(_L("\tMediaSizeInBytes: %ld\r\n"),DriveCaps().MediaSizeInBytes());

	test.Printf( _L("Caps V5:\n"));

	if(DriveCaps().iSerialNumLength > 0)

		{

        test.Printf( _L("\tiSerialNum : ") );

        TBuf8<2*KMaxSerialNumLength> snBuf;

        TUint i;

		for (i=0; i<DriveCaps().iSerialNumLength; i++)

			{

            snBuf.AppendNumFixedWidth( DriveCaps().iSerialNum[i], EHex, 2 );

			test.Printf( _L("%02x"), DriveCaps().iSerialNum[i]);

			}

		test.Printf( _L("\n") );

		}

	else

		{

		test.Printf( _L("\tiSerialNum : Not Supported") );

		}

	test.Printf(_L("Caps V6:\n"));

	test.Printf(_L("\tiBlockSize: %d\r\n"),DriveCaps().iBlockSize);

	TBool isReadOnly = DriveCaps().iMediaAtt & KMediaAttWriteProtected;

	return(isReadOnly);

	}

void ParseCommandLineArgs()

	{

	TBuf<0x100> buf;

	TChar driveToTest;

	// Get the list of drives

	TDriveInfoV1Buf diBuf;

	UserHal::DriveInfo(diBuf);

	TDriveInfoV1 &di=diBuf();

	TInt driveCount = di.iTotalSupportedDrives;

	// Parse command line arguments for the drive to test

	User::CommandLine(buf);

	TLex lex(buf);

	TPtrC token=lex.NextToken();

	TFileName thisfile=RProcess().FileName();

	if (token.MatchF(thisfile)==0)

		{

		token.Set(lex.NextToken());

		}

	if(token.Length()!=0)

		{

		driveToTest=token[0];

		}

	else

		{		

		//Print the list of usable drives

		test.Printf(_L("\nDRIVES USED AT PRESENT :\r\n"));

		for (TInt i=0; i < driveCount; i++)

			{

			TBool flag=EFalse;

			RLocalDrive d;

			TInt r=d.Connect(i,flag);

			//Not all the drives are used at present

			if (r == KErrNotSupported)

				continue;

			test.Printf(_L("%d : DRIVE NAME  :%- 16S\r\n"), i, &di.iDriveName[i]);

			}	

		test.Printf(_L("\r\nWarning - all data on drive will be lost.\r\n"));

		test.Printf(_L("<<<Hit drive number to continue>>>\r\n"));

		driveToTest=(TUint)test.Getch();

		}

	DriveNumber=((TUint)driveToTest) - '0';

	test(DriveNumber >= 1 && DriveNumber < di.iTotalSupportedDrives);

	}

GLDEF_C TInt E32Main()

    {

	test.Title();

	test.Start(_L("Benchmark Testing for Local Media Drivers"));

	ParseCommandLineArgs();

	AllocateBuffers();

	test.Printf(_L("Connect to local drive (%d)\n"),DriveNumber);

	ChangeFlag=EFalse;

	test(TheDrive.Connect(DriveNumber,ChangeFlag)==KErrNone);

	TInt r = HAL::Get(HAL::EFastCounterFrequency, gFastCounterFreq);	

	test(r == KErrNone);

	IsReadOnly = TestDriveInfo();

	if (IsReadOnly)

		{

		test.Printf(_L("Drive is read only - can't run test!!\n"));

		DeAllocateBuffers();

	    test.End();

		return(0);

		}

// Heap Memory 	

	DataBuf.Set(wrBufH->Des());

	test.Next(_L("Read Benchmark - Heap Memory"));

	TestRead();

	test.Next(_L("Write Benchmark - Heap Memory"));

	TestWrite();

	DeAllocateBuffers();

// Contiguous Shared Chunk	

	AllocateSharedBuffers(EFalse, EFalse);

	DataBuf.Set(TheChunk.Base(),KVeryLongRdWrBufLen, KVeryLongRdWrBufLen);

	test.Next(_L("Read Benchmark - Shared Contiguous Memory"));

	TestRead();

	test.Next(_L("Write Benchmark - Shared Contiguous Memory"));

	TestWrite();

	DeAllocareSharedMemory();

// Fragmented Shared Chunk	

	AllocateSharedBuffers(ETrue, EFalse);

	DataBuf.Set(TheChunk.Base(),KVeryLongRdWrBufLen, KVeryLongRdWrBufLen);

	test.Next(_L("Read Benchmark - Shared Fragmented Memory"));

	TestRead();

	test.Next(_L("Write Benchmark - Shared Fragmented Memory"));

	TestWrite();

	DeAllocareSharedMemory();	

    test.End();

	return(0);

	}