// Copyright (c) 2007-2009 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:

// @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 "testcasewd.h"

#include "b2bwatchers.h"

#include "testcase0683.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-0683");

const TTestCaseFactoryReceipt<CTestCase0683> CTestCase0683::iFactoryReceipt(KTestCaseId);	

CTestCase0683* CTestCase0683::NewL(TBool aHost)

	{

	LOG_FUNC

	CTestCase0683* self = new (ELeave) CTestCase0683(aHost);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CTestCase0683::CTestCase0683(TBool aHost)

	: CTestCaseB2BRoot(KTestCaseId, aHost, iStatus) 

	{

	LOG_FUNC

	} 

/**

 ConstructL

*/

void CTestCase0683::ConstructL()

	{

	LOG_FUNC

	iDualRoleCase = ETrue;	// another back-back

	BaseConstructL();

	}

CTestCase0683::~CTestCase0683()

	{

	LOG_FUNC

	iCollector.DestroyObservers();

	Cancel();

	}

void CTestCase0683::ExecuteTestCaseL()

	{

	LOG_FUNC

	iCaseStep = EPreconditions;

	iHNPCounter = 3;	//	To be decremented to govern the number of times we do HNP.

	CActiveScheduler::Add(this);

	SelfComplete();

	}

void CTestCase0683::DoCancel()

	{

	LOG_FUNC

	// cancel our timer

	iTimer.Cancel();

	}

// handle event completion	

void CTestCase0683::RunStepL()

	{

	LOG_FUNC

	// 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(0xF678/*use default settings for SRP/HNP support*/))

				{

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

				}

			//  load OTG ldd and init.		

			if (!StepLoadLDD())

				{

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

				}

			if(otgActivateFdfActor()!=KErrNone)

				{

				return TestFailed(KErrAbort, _L("Couldn't load FDF Actor"));

				}

			// 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:

			{

			if (gTestRoleMaster)

				{

				// wait for Vbus to be raised

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

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

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

				//	All as usual - we should report a failure if the B-Device ever reports "busy"

				iCollector.AddFailureNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);

				}

			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);

				iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);

				}

			iCaseStep = EDefaultRoles;

			const TInt KTestCase0683Timeout = 30000;			//	30 seconds, should be plenty of time for 3 role swaps

			iCollector.AddStepTimeout(KTestCase0683Timeout);

			SetActive();

			break;

			}

		case EDefaultRoles:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			if ( --iHNPCounter > 0)

				{

				//	We want to do further role swapping

				if (gTestRoleMaster)

					{

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

					iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

					iCaseStep = EBConfigured;

					}

				else

					{

					iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);

					iCaseStep = EAIdleHostPriorToAPeripheral;

					}

				SetActive();

				}

			else

				{

				//	We've done 3 x HNP cycles back to default roles. 

				//	This time, we want A-Host to suspend B-Peripheral,

				//	have the B-Peripheral *not* do a bus request, then

				//	have the A-Device detect idle and shut down VBus.

				if (gTestRoleMaster)

					{

					//	B-Device should now wait until it is configured (for the last time this test)

					iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

					iCaseStep = EBConfigured;					

					}

				else

					{

					iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);

					iCaseStep = EAIdleHostPriorToVBusDown;

					}

				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(EWatcherPeripheralState, EUsbcDeviceStateSuspended);

			iCaseStep = EBSuspended;

			SetActive();

			break;

			}

		case EBSuspended:	

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			if (iHNPCounter > 0)

				{			

				// issue bus request to trigger HNP

				test.Printf(_L("VBus present, attempting a swap.\n"));

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

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

				if (KErrNone != err)

					{

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

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

					}

				iCaseStep = ESwappedRoles;

				SetActive();

				}

			else

				{

				//	We've done all the role-swapping we want. Now just wait for

				//	A-Host to drop VBus...

				iCaseStep = EDropVBus;

				SelfComplete();

				}

			break;

			}

		case EAIdleHostPriorToAPeripheral:	//	an "A-Device only" step

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			//	A-Device should expect nothing more until it becomes A-Peripheral

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

			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);

			iCaseStep = ESwappedRoles;

			SetActive();

			break;

			}

		case ESwappedRoles:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			if (gTestRoleMaster)

				{

				//	B-Device should now wait until it is back to B-Peripheral

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

				iCaseStep = EDefaultRoles;

				}

			else

				{

				//	A-Device should wait to become a configured A-Peripheral

				iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

				iCaseStep = EAConfigured;

				}

			SetActive();

			break;

			}

		case EAConfigured:	//	A-Device only step

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionIdle);

			iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateSuspended);

			iCaseStep = EASuspended;

			SetActive();

			break;

			}

		case EASuspended:	//	A-Device only step

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			iCollector.AddRequiredNotification(EWatcherAConnectionIdle, RUsbOtgDriver::EConnectionBusy);

			iCollector.AddRequiredNotification(EWatcherState, RUsbOtgDriver::EStateAHost);	//	Swapping back to default role

			iCaseStep = EDefaultRoles;

			SetActive();

			break;

			}

		case EAIdleHostPriorToVBusDown:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			iCaseStep = EDropVBus;

			SelfComplete();

			break;

			}

		case EDropVBus:

			LOG_STEPNAME(_L("EDropVBus"))

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

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

			if ( gTestRoleMaster)

				{

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

				}

			else

				{ // SLAVE "A"

				otgBusDrop();

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

				}

			iCaseStep = EVBusDropped;

			SetActive();

			break;

		case EVBusDropped:

			LOG_STEPNAME(_L("ELoopVerifyDrop"))

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				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"))

			otgDeactivateFdfActor();

			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")));

		}

	}