// 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:

// @file PBASE-T_USBDI-0499.cpp

// @internalComponent

// 

//

#include "PBASE-T_USBDI-0499.h"

#include "testpolicy.h"

#include "modelleddevices.h"

#include "testliterals.h"

namespace NUnitTesting_USBDI

	{

const TInt KBulkMaxINTransferSize = 1200;

const TInt KBulkMaxOUTTransferSize = 150000;

const TUint KHostNumWriteBytesPreHalt1 = 128000;

const TUint KHostNumWriteBytesPreHalt2 = 128000;

const TUint KHostNumWriteBytesPostHalt1 = 512;

const TUint KHostNumWriteBytesPostHalt2 = 512;

const TInt KDeviceNumWrittenBytesPreHalt = KHostNumWriteBytesPreHalt1+KHostNumWriteBytesPreHalt2;

const TInt KDeviceNumReadBytesPostHalt = KHostNumWriteBytesPostHalt1+KHostNumWriteBytesPostHalt2;

const TInt KDeviceNumReadBytesPreHalt = 128;

const TInt KHostNumReadBytesPostHalt = KDeviceNumReadBytesPostHalt+1; //read cached data, allow 1 for ZLP

//Make these single bit values ... 

// ... so that their completion can be easily recorded in a bit mask!

const TInt KBulkTransferInId0 = 1<<0;

const TInt KBulkTransferOutId0 = 1<<3;

const TInt KBulkTransferOutId1 = 1<<4;

const TInt KUnexpectedTransferID = -101;

const TInt KUndefinedStep	 = -102;

_LIT(KTestCaseId,"PBASE-T_USBDI-0499");

const TFunctorTestCase<CUT_PBASE_T_USBDI_0499,TBool> CUT_PBASE_T_USBDI_0499::iFunctor(KTestCaseId);	

CUT_PBASE_T_USBDI_0499* CUT_PBASE_T_USBDI_0499::NewL(TBool aHostRole)

	{

	CUT_PBASE_T_USBDI_0499* self = new (ELeave) CUT_PBASE_T_USBDI_0499(aHostRole);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CUT_PBASE_T_USBDI_0499::CUT_PBASE_T_USBDI_0499(TBool aHostRole)

:	CBaseBulkTestCase(KTestCaseId,aHostRole),

	iCaseStep(EInProgress)

	{

	} 

void CUT_PBASE_T_USBDI_0499::ConstructL()

	{

	BaseBulkConstructL();

	}

CUT_PBASE_T_USBDI_0499::~CUT_PBASE_T_USBDI_0499()

	{

	}

void CUT_PBASE_T_USBDI_0499::Ep0TransferCompleteL(TInt aCompletionCode)

	{

	if(aCompletionCode != KErrNone)

		{

		if(iCaseStep == EFailed)

			{// ignore error, nad catch the TestFailed method called further down.

			}

		else

			{

			TBuf<256> msg;

			msg.Format(_L("<Error %d> Transfer to control endpoint 0 was not successful"),aCompletionCode);

			iCaseStep = EFailed;

			TTestCaseFailed request(aCompletionCode,msg);

			iControlEp0->SendRequest(request,this);

			return;

			}

		}

	switch(iCaseStep)

		{

		// Test case passed

		case EPassed:

			TestPassed();

			break;

		// Test case failed	

		case EFailed:

			TestFailed(KErrCompletion);

			break;

		case ETransferOutHalt:

			iOutTransfer[0]->TransferOut(KLiteralFrench4(), KHostNumWriteBytesPreHalt1, EFalse);

			iOutTransfer[1]->TransferOut(KLiteralFrench4(), KHostNumWriteBytesPreHalt2, EFalse);

			break;

		case EAwaitClearPreHalt:

			{

			User::After(1000000); //Give client time to clear buffer

			TEndpointCancelReadRequest request(1,1);

			iControlEp0->SendRequest(request,this);

			iCaseStep = EAwaitCancelRead;

			}

			break;

		case EAwaitCancelRead:

			{

			TEndpointReadRequest request(1,1, KDeviceNumReadBytesPostHalt);// EP1 because 1st writter EP

			iControlEp0->SendRequest(request,this);

			iCaseStep = ETransferOut;

			}

			break;

		case ETransferOut:

			iOutTransfer[0]->TransferOut(KLiteralEnglish8().Mid(0, KHostNumWriteBytesPostHalt1), EFalse);

			iOutTransfer[1]->TransferOut(KLiteralEnglish8().Mid(KHostNumWriteBytesPostHalt1, KHostNumWriteBytesPostHalt2), EFalse);

			break;

		case ETransferIn:

			iInTransfer[0]->TransferIn(KHostNumReadBytesPostHalt);

			break;

		default:

			TestFailed(KErrUnknown);

			break;

		}

	}

void CUT_PBASE_T_USBDI_0499::TransferCompleteL(TInt aTransferId,TInt aCompletionCode)

	{

	Cancel();

	TInt err(KErrNone);

	TBuf<256> msg;

	switch(iCaseStep)

		{

		case ETransferOutHalt:

			{

			if(aCompletionCode != KErrUsbStalled)

				{

				iOutTransfer[0]->Cancel();

				iOutTransfer[1]->Cancel();

				err = KErrCorrupt;

				msg.Format(_L("<Error %d> The transfer completed with no errors but the endpoint should have halted"),aCompletionCode);

				break; //switch(iCaseStep)

				}

			switch(aTransferId)

				{

				case KBulkTransferOutId0:

				case KBulkTransferOutId1:

					iTransferComplete |= aTransferId;

					break; //switch(aTransferId)

				default:

					iTransferComplete = 0; //reset

					err = KUnexpectedTransferID;

					msg.Format(_L("<Error %d> Unexpected transfer ID, wanted %d or %d, got %d"),

							       err, KBulkTransferOutId0, KBulkTransferOutId1, aTransferId);

					break; //switch(aTransferId)

				}

			if(err==KErrNone && iTransferComplete == (KBulkTransferOutId0 | KBulkTransferOutId1))

				{

				// Acknowledge the stall and clear				

				err = iTestPipeInterface1BulkOut.ClearRemoteStall();

				if(err != KErrNone)

					{

					msg.Format(_L("<Error %d> The remote stall cannot be cleared"),err);

					break; //switch(iCaseStep)

					}

				iCaseStep = EAwaitClearPreHalt;

				TEndpointReadRequest request(1,1, KDeviceNumWrittenBytesPreHalt);// EP1 because 1st writter EP

				iControlEp0->SendRequest(request,this);	

				iTransferComplete = 0; //reset

				}

			}

			break; //switch(iCaseStep)

		case ETransferOut:

			{

			if(aCompletionCode != KErrNone)

				{

				iOutTransfer[0]->Cancel();

				iOutTransfer[1]->Cancel();

				err = KErrCorrupt;

				msg.Format(_L("<Error %d> No data sent on bulk OUT request"),aCompletionCode);

				break; //switch(iCaseStep)

				}

			switch(aTransferId)

				{

				case KBulkTransferOutId0:

				case KBulkTransferOutId1:

					iTransferComplete |= aTransferId;

					break; //switch(aTransferId)

				default:

					iTransferComplete = 0; //reset

					err = KUnexpectedTransferID;

					msg.Format(_L("<Error %d> Unexpected transfer ID, wanted %d or %d, got %d"),

							       err, KBulkTransferOutId0, KBulkTransferOutId1, aTransferId);

					break; //switch(aTransferId)

				}

			if(err==KErrNone && iTransferComplete == (KBulkTransferOutId0 | KBulkTransferOutId1))

				{

				iCaseStep = ETransferIn;

				TWriteSynchronousCachedReadDataRequest request(1,1,1);

				iControlEp0->SendRequest(request,this);	

				iTransferComplete = 0; //reset

				}

			break; //switch(iCaseStep)

		case ETransferIn:

			if(aCompletionCode != KErrNone)

				{

				err = KErrCorrupt;

				msg.Format(_L("<Error %d> No data sent on bulk IN request"),aCompletionCode);

				break; //switch(iCaseStep)

				}

			if(aTransferId != KBulkTransferInId0)

				{

				iTransferComplete = 0; //reset

				err = KUnexpectedTransferID;

				msg.Format(_L("<Error %d> Unexpected transfer ID, wanted %d , got %d"),

					       err, KBulkTransferInId0, aTransferId);

				break; //switch(iCaseStep)

				}

			// else ok, compare data rcvd now

			TPtrC8 data1(iInTransfer[0]->DataPolled());		

			if(ValidateData(data1, KLiteralEnglish8().Mid(0, KDeviceNumReadBytesPostHalt)) == EFalse)

				{

				err = KErrCompletion; //indicates data validation failure

				msg.Format(_L("<Error %d> Bulk transfer IN data received does not match Bulk Transfer OUT data"), err);

				break; //switch(iCaseStep)

				}

			// Comparison is a match

			iCaseStep = EPassed;

			TTestCasePassed request;

			iControlEp0->SendRequest(request,this);

			iTransferComplete = 0; //reset

			}

			break; //switch(iCaseStep)

		default:

			err = KUndefinedStep;

			msg.Format(_L("<Error %d> Undefined case step %d reached"),KUndefinedStep, iCaseStep);

			break; //switch(iCaseStep)

		}

	if(err == KErrCompletion)

		//indicates data validation failure

		{

		msg.Format(_L("<Error %d> Bulk transfer IN data received does not match Bulk Transfer OUT data"), err);

		}

	if(err!=KErrNone)

		{	

		iCaseStep = EFailed;

		TTestCaseFailed request(err,msg);

		return iControlEp0->SendRequest(request,this);

		}	

	}

void CUT_PBASE_T_USBDI_0499::DeviceInsertedL(TUint aDeviceHandle)

	{

	Cancel();

	if(BaseBulkDeviceInsertedL(aDeviceHandle) == EDeviceConfigurationError)

		// Prepare for response from control transfer to client

		{

		iCaseStep = EFailed;

		}

	// Create the bulk transfers	

	iInTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkIn,iUsbInterface1,KBulkMaxINTransferSize,*this,KBulkTransferInId0);

	iOutTransfer[0] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkOut,iUsbInterface1,KBulkMaxOUTTransferSize,*this,KBulkTransferOutId0);

	iOutTransfer[1] = new (ELeave) CBulkTransfer(iTestPipeInterface1BulkOut,iUsbInterface1,KBulkMaxOUTTransferSize,*this,KBulkTransferOutId1);

	// Initialise the descriptors for transfer		

	TInt err = iUsbInterface1.InitialiseTransferDescriptors();

	if(err != KErrNone)

		{

		TBuf<256> msg;

		msg.Format(_L("<Error %d> Unable to initialise transfer descriptors"),err);

		iCaseStep = EFailed;

		TTestCaseFailed request(err,msg);

		iControlEp0->SendRequest(request,this);

		return;

		}

	iCaseStep = ETransferOutHalt;	

	TEndpointReadAndHaltRequest request(1,1,KDeviceNumReadBytesPreHalt);// EP1 means endpoint index 1 not the actual endpoint number

	iControlEp0->SendRequest(request,this);

	}

	} //end namespace