// 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 "testcase0684.h"

#include <e32debug.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-0684");

const TTestCaseFactoryReceipt<CTestCase0684> CTestCase0684::iFactoryReceipt(KTestCaseId);	

CTestCase0684* CTestCase0684::NewL(TBool aHost)

	{

	LOG_FUNC

	CTestCase0684* self = new (ELeave) CTestCase0684(aHost);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CTestCase0684::CTestCase0684(TBool aHost)

	: CTestCaseB2BRoot(KTestCaseId, aHost, iStatus) 

	{

	LOG_FUNC

	} 

/**

 ConstructL

*/

void CTestCase0684::ConstructL()

	{

	LOG_FUNC

	iDualRoleCase = ETrue;

	iBusRequestCounter = 2;

	iIsTimeToDrop = EFalse;

	BaseConstructL();

	}

CTestCase0684::~CTestCase0684()

	{

	LOG_FUNC

	iCollector.DestroyObservers();

	Cancel();

	}

void CTestCase0684::ExecuteTestCaseL()

	{

	LOG_FUNC

	iCaseStep = EPreconditions;

	CActiveScheduler::Add(this);

	SelfComplete();

	}

void CTestCase0684::DoCancel()

	{

	LOG_FUNC

	// cancel our timer

	iTimer.Cancel();

	}

void CTestCase0684::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(0xF684/*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 = ESetMaxPower2Zero;

			SelfComplete();

			break;

			}

		case ESetMaxPower2Zero:

			LOG_STEPNAME(_L("ESetMaxPower2Zero"))

			iCaseStep = EReadyToRaiseVBus;

			SetMaxPowerToL(0);

			SelfComplete();

			break;

		case EReadyToRaiseVBus:

			{

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

			if (gTestRoleMaster)

				{

				// B device, so , just wait for Vbus to be raised

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

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

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

				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

				{ 

				// A device, 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 KTestCase0684Timeout = 30000;			//	30 seconds, should be plenty of time for 3 role swaps

			iCollector.AddStepTimeout(KTestCase0684Timeout);

			SetActive();

			break;

			}

		case EDefaultRoles:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}			

			if(gTestRoleMaster){

				// B

				iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

				iCaseStep = EBConfigured;

			}

			else{

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

				iCaseStep = EAToPeripheral;

			}

			SetActive();

			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);

			iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

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

			iCaseStep = EAToHost;

			SetActive();

			break;

			}	

		case EBConfigured:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

				RDebug::Print(_L("Timeout"));

				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();

				RDebug::Print(_L("Timeout"));

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

				}

			if(iBusRequestCounter > 0){

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

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

				iBusRequestCounter --;

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

				if (KErrNone != err)

					{

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

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

					}

				iCaseStep = EBToHost;

			}

			else{

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

				iCaseStep = EIdleHostPriorToVBusDown;

			}	

			SetActive();

			break;

			}

		case EAToHost:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}

			if( ! iIsTimeToDrop){

				iIsTimeToDrop = ETrue;

				SetMaxPowerToL(50);

				TUint16 val = 0;

				GetMaxPower(val);

				test.Printf(_L("bMaxPower= %d\n"), val);

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

				iCaseStep = EAToPeripheral;

			}

			else{

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

				iCaseStep = EIdleHostPriorToVBusDown;

			}

			SetActive();

			break;			

			}

		case EAToPeripheral:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}

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

			iCaseStep = EAToHost;

			SetActive();

			break;

			}

		case EBToHost:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}

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

			iCaseStep = EBToPeripheral;

			SetActive();

			break;

			}

		case EBToPeripheral:

			{

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

			if (KTestCaseWatchdogTO == iStatus.Int())

				{

				iCollector.DestroyObservers();

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

				}

			if(iBusRequestCounter > 0)

				{

				iCollector.AddRequiredNotification(EWatcherPeripheralState, EUsbcDeviceStateConfigured);

				iCaseStep = EBConfigured;

				}

			else

				{

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

				iCaseStep = EVBusDropped;

				}

			SetActive();

			break;

			}

		case EIdleHostPriorToVBusDown:

			{

			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();

			RequestCharacter();	

			break;

		default:

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

			Cancel();

			RequestCharacter();	

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

		}

	}