// 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:

// @internalComponent

// 

//

#include <e32std.h>

#include <e32std_private.h>

#include <u32std.h> 	// unicode builds

#include <e32base.h>

#include <e32base_private.h>

#include <e32Test.h>	// RTest headder

#include "testcaseroot.h"

#include "b2bwatchers.h"

#include "testcase0680.h"

#define _REPEATS (oOpenIterations*3)

/* **************************************************************************************

 * the name below is used to add a pointer to our construction method to a pointer MAP in 

 * the class factory

 */

_LIT(KTestCaseId,"PBASE-USB_OTGDI-0680");

const TTestCaseFactoryReceipt<CTestCase0680> CTestCase0680::iFactoryReceipt(KTestCaseId);	

CTestCase0680* CTestCase0680::NewL(TBool aHost)

	{

	CTestCase0680* self = new (ELeave) CTestCase0680(aHost);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CTestCase0680::CTestCase0680(TBool aHost)

	: CTestCaseB2BRoot(KTestCaseId, aHost, iStatus) 

	{

	} 

/**

 ConstructL

*/

void CTestCase0680::ConstructL()

	{

	iDualRoleCase = ETrue;	// another back-back

	BaseConstructL();

	}

CTestCase0680::~CTestCase0680()

	{

	iCollector.DestroyObservers();

	Cancel();

	}

void CTestCase0680::ExecuteTestCaseL()

	{

	iCaseStep = EPreconditions;

	CActiveScheduler::Add(this);

	SelfComplete();

	}

void CTestCase0680::DoCancel()

	{

	// cancel our timer

	iTimer.Cancel();

	}

// handle event completion	

void CTestCase0680::RunStepL()

	{

	// Obtain the completion code for this CActive obj.

	TInt completionCode(iStatus.Int()); 

	TBuf<MAX_DSTRLEN> aDescription;

	TInt err(0);

	switch(iCaseStep)

		{

		case EPreconditions:

			{

			LOG_STEPNAME(_L("EPreconditions"))

			iCaseStep = ELoadLdd;

			StepB2BPreconditions();				

			break;

			}

			// 1. Load the Client LDD 

		case ELoadLdd:

			{

			LOG_STEPNAME(_L("ELoadLdd"))

			if (!StepLoadClient(0xF680))	//	Use default params, so HNP/SRP both supported

				{

				return TestFailed(KErrAbort, _L("Client Load Failure"));

				}

			//  load OTG ldd and init.		

			if (!StepLoadLDD())

				{

				return TestFailed(KErrAbort, _L("OTG Load Failure"));

				}

			//	NB. We don't load the FDF Actor, because we don't want

			//	the A-Host to suspend the attached B-Peripheral.

			// test that the right cable is in

			CheckRoleConnections();

			// subscribe to OTG states,events and messages now that it has loaded OK

			TRAPD(result, iCollector.CreateObserversL(*this));

			if (KErrNone != result)

				return(TestFailed(KErrNoMemory, _L("Unable to create observers")));

			iCollector.ClearAllEvents();

			iCaseStep = EReadyToRaiseVBus;

			SelfComplete();

			break;

			}

		case EReadyToRaiseVBus:

			{

			test.Printf(_L("Into EReadyToRaiseVBus step...\n"));

			if (gTestRoleMaster)

				{

				// wait for Vbus to be raised

				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBIdle);

				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusRaised);

				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBPeripheral);

				}

			else

				{ // slave "A"

				// Raise VBus, then wait for default role

				err = otgBusRequest();	// ok to turn on VBus now

				if (KErrNone != err)

					{

					return TestFailed(KErrAbort, _L("Raise Vbus - RUsbOtgDriver::BusRequest() FAILED!"));

					}

				// we might also wait for and EStateAIdle

				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAIdle);

				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusRaised);

				iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventRoleChangedToHost);

				}

			const TInt KTestCase0680VBusRaiseTimeout = 2000;	//	2 seconds, should be plenty of time for this test 

			iCollector.AddStepTimeout(KTestCase0680VBusRaiseTimeout);

			iCaseStep = EDefaultRoles;

			SetActive();									

			break;

			}

		case EDefaultRoles:

			{

			test.Printf(_L("Into EDefaultRoles step...\n"));

			LOG_STEPNAME(_L("EWaitEnumeration"));

			if (gTestRoleMaster)

				{

				//	B-Device should now wait until it is configured

				iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

				const TInt KTestCase0680BTimeout = 5000;			//	5 seconds, should be plenty of time for overall test 

				iCollector.AddStepTimeout(KTestCase0680BTimeout);

				iCaseStep = EBConfigured;

				}

			else

				{

				//	A-Device should expect nothing more (role swap won't happen

				//	because the B-Device doesn't indicate support for OTG in its

				//	OTG descriptor, so the host won't have sent SetFeature(b_hnp_enable))

				//	Instead, just rely on the test timeout and display a request for the user 

				//	to observe the B-Device test code for the pass/fail

				const TInt KTestCase0680ATimeout = 4000;			//	4 seconds before A-Device drops VBus (before B test times out at 5 seconds)

				iCollector.AddStepTimeout(KTestCase0680ATimeout);	//	NB. In this test on the A-Device, we expect to timeout

																	//	so a timeout isn't treated as a failure

				test.Printf(_L("NOTE : Please observe test result on B-Device...\n"));

				iCaseStep = EDropVBus;	//	This is the step the A-Device will go to

										//	when the timer (set up in previous test) fires

				}

			SetActive();

			break;

			}

		case EBConfigured:	//	A B-Device only step!

			{

			test.Printf(_L("Into EBConfigured step...\n"));

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

				return TestFailed(KErrAbort, _L("Timeout"));

				}

			iCollector.AddRequiredNotification(EWatcherMessage, RUsbOtgDriver::EMessageHnpNotSuspended);

			test.Printf(_L("Attempting a swap on an unsuspended link...\n"));

			err = otgBusRequest();	//	Request the host role

			if (KErrNone != err)

				{

				test.Printf(_L("BusRequest returned %d)"),err);

				return TestFailed(KErrAbort, _L("BusRequest() failed!"));

				}			

			iCaseStep = EBErrorReceived;

			SetActive();

			break;

			}

		case EBErrorReceived:

			{

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

				return TestFailed(KErrAbort, _L("Timeout"));

				}

			test.Printf(_L("Into EBErrorReceived step...\n"));

			iCaseStep = EDropVBus;	//	Test has pretty much passed now. Just wait for A-Device to drop VBus.

			SelfComplete();

			break;

			}

		case EDropVBus:

			LOG_STEPNAME(_L("EDropVBus"))

			iCollector.AddRequiredNotification(EWatcherEvent, RUsbOtgDriver::EEventVbusDropped);

			if ( gTestRoleMaster)

				{

				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateBIdle);

				}

			else

				{ // SLAVE "A"

				iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAIdle);

				otgBusDrop();

				}

			iCaseStep = EVBusDropped;

			SetActive();

			break;

		case EVBusDropped:

			LOG_STEPNAME(_L("ELoopVerifyDrop"))

			if (KTestCaseWatchdogTO == iStatus.Int() && gTestRoleMaster)

				{

				//	Remember, a timeout is only a failure for the B-Device in this test,

				//	we're expecting and relying on a timeout on the A-Device to conclude

				//	the test and bring VBus down.

				return TestFailed(KErrAbort, _L("Timeout"));

				}

			if (otgVbusPresent())

				{

				return TestFailed(KErrAbort, _L("Vbus did not drop - FAILED!"));

				}

			iCaseStep = EUnloadLdd;

			SelfComplete();

			break;

		case EUnloadLdd:

			LOG_STEPNAME(_L("EUnloadLdd"))

			iCollector.DestroyObservers();

			if (EFalse == StepUnloadLDD())

				return TestFailed(KErrAbort,_L("unload Ldd failure"));	

			if (!StepUnloadClient())

				return TestFailed(KErrAbort,_L("Client Unload Failure"));	

			iCaseStep = ELastStep;

			SelfComplete();

			break;

		case ELastStep:

			LOG_STEPNAME(_L("ELastStep"))

			TestPassed();

			break;

		default:

			test.Printf(_L("<Error> unknown test step"));

			Cancel();

			return (TestFailed(KErrCorrupt, _L("<Error> unknown test step")));

		}

	}