// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "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

 @internalComponent

*/

#include <comms-infras/ss_log.h>

#include <comms-infras/ss_corepractivities.h> // TODO is this needed?

#include <comms-infras/coretiermanagerstates.h> // TODO is this needed?

#include <comms-infras/coretiermanageractivities.h> // TODO is this needed?

#include "pdpservices.h"

#include "pdptiermanager.h"

#include <pcktcs.h>

#include <comms-infras/es_connectionserv.h>

#ifdef __CFLOG_ACTIVE

#define KPDPTierMgrTag KESockMetaConnectionTag

_LIT8(KMBMSObjectTag, "MBMSObject");

#endif

using namespace Messages;

using namespace MeshMachine; // TODO is this needed?

using namespace ESock;

using namespace NetStateMachine; // TODO is this needed?

using namespace ConnectionServ;

//Constructor for CMBMSServiceRequest

CMBMSServiceRequest::CMBMSServiceRequest(

		CMBMSEngine& aMBMSEngine,

		const TNodeId& aMBMSTMCommsId,

		const Messages::TNodeSignal::TMessageId& aRequestType,

		CRefCountOwnedParameterBundle* aRequestBundleOwner,

		const XMBMSServiceQuerySet::TQueryType aQueryType

		)

	:CActive(EPriorityStandard),

	iMBMSEngine(aMBMSEngine),

	iMBMSTMCommsId(aMBMSTMCommsId),

	iRequestType(aRequestType),

	iObjectBundleOwner(aRequestBundleOwner),

	iQueryType(aQueryType)

	{

	CActiveScheduler::Add(this);

	}

/**

The NewL factory function for CMBMSServiceRequest.

@param aMBMSTMCommsId comms Id.

@param aClientId Node Channel Id.

@param aRequestType Message Id

@param aRequestBundleOwner Parameter Bundle.

@return CMBMSServiceRequest*

*/

CMBMSServiceRequest* CMBMSServiceRequest::NewL(

		CMBMSEngine& aMBMSEngine,

		const TNodeId& aMBMSTMCommsId,

		RNodeInterface* aOriginatorInterface,

		const TRuntimeCtxId& aOriginator,

		const Messages::TNodeSignal::TMessageId& aRequestType,

		CRefCountOwnedParameterBundle* aRequestBundleOwner,

		const XMBMSServiceQuerySet::TQueryType aQueryType

		)

	{

	CMBMSServiceRequest* self = new(ELeave) CMBMSServiceRequest(

													aMBMSEngine,

													aMBMSTMCommsId,

													aRequestType,

													aRequestBundleOwner,

													aQueryType

													);

	CleanupStack::PushL(self);

	self->ConstructL(aOriginatorInterface, aOriginator);

	CleanupStack::Pop(self);

	return self;

	}

/**

ConstructL for CMBMSEngine.

*/

void CMBMSServiceRequest::ConstructL(RNodeInterface* aOriginatorInterface, const TRuntimeCtxId& aOriginator)

	{

	if (iRequestOriginator.Open(*aOriginatorInterface, aOriginator) != KErrNone)

		{

		// Fix the code - looks like this originator already has an outstanding request

		User::Leave(KErrArgument);

		}

	}

/**

Destructor for CMBMSServiceRequest.

*/

CMBMSServiceRequest::~CMBMSServiceRequest()

	{

	Cancel();

	iObjectBundleOwner->Close();

	delete iRetrievePcktMbms;

	}

/**

This function is used to cancel the notification message sent by the client

@param aError const TInt

@return void

*/

void CMBMSServiceRequest::CancelMessage(const TInt aError)

	{

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::CancelMessage(%d)"), this, aError));

	if (iRequestType == TCFTierStatusProvider::TTierNotificationRegistration::Id())

		{

		iRequestOriginator.PostMessage(

				iMBMSTMCommsId,

				TEBase::TError(TCFTierStatusProvider::TTierNotificationRegistration::Id(), aError).CRef()

				);

		}

	}

/**

This function is used to process the MBMS requests.The RunL() function of CMBMSServiceRequest is called

based on the state machines.

@param aError const TInt

@return void

*/

void CMBMSServiceRequest::StartRequest()

	{

	iScanEngineState = EChecking;

	SetActive();

	TRequestStatus* status = &iStatus;

	User::RequestComplete(status, KErrNone);

	}

/**

This function is used to return the client id.

@param None

@return TCFNodeChannelId

*/

const TNodeId& CMBMSServiceRequest::GetClientId()

	{

	return iRequestOriginator.Node().RecipientId();

	}

/**

This is CActive overloaded function.Cancel all outstanding requests.

@param None

@return Void

*/

void CMBMSServiceRequest::DoCancel()

	{

     switch (iScanEngineState)

		{

		case ENotifyService:

		case ERemoveAllComplete:

			iMBMSEngine.GetRPacketService().CancelAsyncRequest(EPacketUpdateMbmsMonitorServiceList);

		break;

		case ERetrieveBearerAvailability:

			iMBMSEngine.GetRPacketService().CancelAsyncRequest(EPacketGetMbmsNetworkServiceStatus);

		break;

		case EStartMonitor:

			iMBMSEngine.GetRPacketService().CancelAsyncRequest(EPacketNotifyMbmsServiceAvailabilityChange);

		break;

		case EResultCount:

			if(iQueryType == XMBMSServiceQuerySet::ECountMonitorList)

			   {

			   iMBMSEngine.GetRPacketService().CancelAsyncRequest(EPacketEnumerateMbmsMonitorServiceList);

			   }

			else if(iQueryType == XMBMSServiceQuerySet::ECountActiveServiceList)

			   {

			   iMBMSEngine.GetRPacketService().CancelAsyncRequest(EPacketEnumerateMbmsActiveServiceList);

			   }

		break;

		case EGetMonitorList:

			if(iRetrievePcktMbms != NULL)

			iRetrievePcktMbms->Cancel();

		break;

		}

	}

/**

This is CActive overloaded function.

@param None

@return TInt

*/

TInt CMBMSServiceRequest::RunError(TInt aError)

	{

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::RunError(%d)"), this, aError));

	// Stop the ScanEngine components

	Cancel();

	if (iRequestType == TCFTierStatusProvider::TTierNotificationRegistration::Id())

		{

		iRequestOriginator.PostMessage(

						iMBMSTMCommsId,

						TEBase::TError(TCFTierStatusProvider::TTierNotificationRegistration::Id(), aError).CRef()

						);

		}

	return KErrNone;

	}

/**

This is CActive overloaded function.

@param None

@return Void

*/

void CMBMSServiceRequest::RunL()

	{

    TRequestStatus* status = &iStatus;

	if (iStatus == KErrNone)

		{

		switch(iScanEngineState)

			{

			case EChecking:

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In EChecking State"), this));

				User::LeaveIfError(iMBMSEngine.GetRPacketService().GetStatus(iPsdStatus)); // get initial status

				//check the query type

				if(iQueryType == XMBMSServiceQuerySet::EBearerAvailability)

					iScanEngineState = EBearerAvailable;

				else if (iQueryType == XMBMSServiceQuerySet::EAddService)

					iScanEngineState = EServiceAdd;

				else if (iQueryType == XMBMSServiceQuerySet::ERemoveService)

					iScanEngineState = EServiceRemove;

				else if (iQueryType == XMBMSServiceQuerySet::ERemoveAllService)

					iScanEngineState = EServiceRemoveAll;

				else if (iQueryType == XMBMSServiceQuerySet::ECountMonitorList)

					iScanEngineState = EGetCountMonitorList;

				else if (iQueryType == XMBMSServiceQuerySet::ECountActiveServiceList)

					iScanEngineState = EGetCountServiceList;

				SetActive();

				User::RequestComplete(status, KErrNone);

			break;

			case EBearerAvailable:

				//get MBMS bearer availability.

				 __CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In EBearerAvailable State"), this));

				 iMBMSEngine.GetRPacketService().GetMbmsNetworkServiceStatus(iStatus,ETrue,iNetworkServiceStatus);

			 	 iScanEngineState = ERetrieveBearerAvailability;

				 SetActive();

			break;

		   	case ERetrieveBearerAvailability:

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In ERetrieveBearerAvailability State"), this));

			    //create a parameter bundle and send the results to the client.

			    SendResultBundleL();

			    iScanEngineState = EBearerAvailable;

			    SetActive();

			    User::RequestComplete(status, KErrNone);

			break;

			case EServiceAdd:

				{

				CPcktMbmsMonitoredServiceList* mbmsServiceList = UpdateMonitorServiceListL();

			    CleanupStack::PushL(mbmsServiceList);

			    iMBMSEngine.GetRPacketService().UpdateMbmsMonitorServiceListL(iStatus,EAddEntries,mbmsServiceList);

			    CleanupStack::PopAndDestroy(mbmsServiceList);

				SetActive();

				iScanEngineState = ENotifyService;

				}

			break;

			case EServiceRemoveAll:

			    {

			    iMBMSEngine.GetRPacketService().UpdateMbmsMonitorServiceListL (iStatus,ERemoveAllEntries);

				SetActive();

				iScanEngineState = ERemoveAllComplete;

			    }

			break;

			case ERemoveAllComplete:

				SendResultBundleL();

			break;

			case EServiceRemove:

				{

				CPcktMbmsMonitoredServiceList* mbmsSeriveList = UpdateMonitorServiceListL();

			    CleanupStack::PushL(mbmsSeriveList);

			    iMBMSEngine.GetRPacketService().UpdateMbmsMonitorServiceListL (iStatus,ERemoveEntries,mbmsSeriveList);

			    CleanupStack::PopAndDestroy(mbmsSeriveList);

				SetActive();

				iScanEngineState = ENotifyService;

				}

			break;

			case EGetCountMonitorList:

				{

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In ECountActiveServiceList State"), this));

				iMBMSEngine.GetRPacketService().EnumerateMbmsMonitorServiceList(iStatus,iCount,iMaxCount);

				SetActive();

				iScanEngineState = EResultCount;

				}

			break;

			case EGetCountServiceList:

				{

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In ECountActiveServiceList State"), this));

				iMBMSEngine.GetRPacketService().EnumerateMbmsActiveServiceList(iStatus,iCount,iMaxCount);

				SetActive();

				iScanEngineState = EResultCount;

				}

			break;

			case EResultCount:

				SendResultBundleL();

			break;

			case ENotifyService:

				//notify for MBMS Services.

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In ENotifyService State"), this));

				iMBMSEngine.GetRPacketService().NotifyMbmsServiceAvailabilityChange(iStatus);

			    SetActive();

				iScanEngineState = EStartMonitor;

			break;

			case EStartMonitor:

				__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In EStartMonitor State"), this));

				iRetrievePcktMbms = CRetrievePcktMbmsMonitoredServices::NewL(iMBMSEngine.GetRPacketService());

			    iRetrievePcktMbms->Start(iStatus);

			    SetActive();

				iScanEngineState = EGetMonitorList;

			break;

			case EGetMonitorList:

				SendResultBundleL();

			    SetActive();

			    User::RequestComplete(status, KErrNone);

			    iScanEngineState = ENotifyService;

			break;

		  }

		}

	else if(((iStatus.Int() == KErrMbmsImpreciseServiceEntries))||((iStatus.Int() == KErrNotFound)))

		 {

		  __CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::RunL() KErrMbmsImpreciseServiceEntries || KErrNotFound"), this));

		  CancelMessage(iStatus.Int());

		  iMBMSEngine.RemoveFromRequestListL(GetClientId());

		 }

	else

		{

		 __CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::RunL() ERROR: Incorrect status, Aborting"), this));

		 User::Leave(iStatus.Int());

		}

	}

/**

This function is used to update Mbms Monitored Service List

@param None

@return Void

*/

CPcktMbmsMonitoredServiceList* CMBMSServiceRequest::UpdateMonitorServiceListL()

	{

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In UpdateMonitorServiceListL()"), this));

	//Read the entries in the parameter bundle and pass them to Etel.

	CPcktMbmsMonitoredServiceList* serviceList= CPcktMbmsMonitoredServiceList::NewL();

	CleanupStack::PushL(serviceList);

	if((iScanEngineState == EServiceAdd) || (iScanEngineState == EServiceRemove))

	   {

		const ConnectionServ::CConnectionServParameterBundle* objectBundle1 = static_cast<const CConnectionServParameterBundle*>(iObjectBundleOwner->Ptr());

	    ConnectionServ::CConnectionServParameterBundle* objectBundle = const_cast<CConnectionServParameterBundle *>(objectBundle1);

	    TUint numObjectPSCs = objectBundle->CountParamSetContainers();

		for(TUint i = 0; i < numObjectPSCs; i++)

			{

			CParameterSetContainer* objectPSC = objectBundle->GetParamSetContainer(i);

			XMBMSServiceParameterSet* objectMPS = XMBMSServiceParameterSet::FindInParamSetContainer(*objectPSC);

			RPacketService::TMbmsServiceAvailabilityV1 mbmsService;

			mbmsService.iTmgi.SetServiceId(objectMPS->GetChannelInfo()->GetTmgi().GetServiceId());

			mbmsService.iTmgi.SetMCC(objectMPS->GetChannelInfo()->GetTmgi().GetMCC());

			mbmsService.iTmgi.SetMNC(objectMPS->GetChannelInfo()->GetTmgi().GetMNC());

			mbmsService.iMbmsServiceMode = objectMPS->GetServiceMode();

			mbmsService.iMbmsAccessBearer = objectMPS->GetChannelInfo()->GetScope();

			serviceList->AddEntryL(mbmsService);

			}

	   }

	CleanupStack::Pop(serviceList);

	return serviceList;

	}

/**

This function is used to send result parameter bundle to the client

@param None

@return Void

*/

void CMBMSServiceRequest::SendResultBundleL()

	{

	CConnectionServParameterBundle* returnBundle = NULL;

	if(iScanEngineState == EGetMonitorList)

	   returnBundle = PrepareMonitorResultBundleL();

	else if(iScanEngineState == ERetrieveBearerAvailability)

	   returnBundle = PrepareBearerResultBundleL();

	else if (iScanEngineState == ERemoveAllComplete)

	   returnBundle = PrepareRemoveAllBundleL();

	else if (iScanEngineState == EResultCount)

	   returnBundle = PrepareCountBundleL();

	CleanupStack::PushL(returnBundle);// Ownership of the bundle passes to the Server

	CRefCountOwnedParameterBundle* returnBundleOwner = new (ELeave) CRefCountOwnedParameterBundle(returnBundle);

	returnBundleOwner->Open(); // Open the initial reference

	CleanupClosePushL(*returnBundleOwner);

	if (iRequestType == TCFTierStatusProvider::TTierNotificationRegistration::Id())

		{

		iRequestOriginator.PostMessage(

						iMBMSTMCommsId,

						TCFTierStatusProvider::TTierNotification(returnBundleOwner).CRef()

						);

		}

	CleanupStack::Pop(returnBundleOwner);

	CleanupStack::Pop(returnBundle);

	}

/**

This function is used to prepare result bundle.

@param None

@return CConnectionServParameterBundle*

*/

CConnectionServParameterBundle* CMBMSServiceRequest::PrepareMonitorResultBundleL() const

	{

	CConnectionServParameterBundle* returnBundle = CConnectionServParameterBundle::NewL();

	CleanupStack::PushL(returnBundle);

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In PrepareMonitorResultBundleL function"), this));

	//read the MBMS Service list from Etel after receiving the MBMS Service Availability Notification.

	CPcktMbmsMonitoredServiceList* serviceList = iRetrievePcktMbms->RetrieveListL();

	TInt count = serviceList->Enumerate();

	CleanupStack::PushL(serviceList);

	//Read the monitor list from  Etel and send the list to client as parameter bundle.

    for(TUint i = 0; i < count; i++)

		{

		RPacketService::TMbmsServiceAvailabilityV1 serviceAvailability;

		CParameterSetContainer* returnPSC = CParameterSetContainer::NewL(*returnBundle);

		CleanupStack::PushL(returnPSC);

		serviceAvailability = serviceList->GetEntryL(i);

		TTmgi tmgi;

		tmgi.SetMCC(serviceAvailability.iTmgi.GetMCC());

		tmgi.SetMNC(serviceAvailability.iTmgi.GetMNC());

		tmgi.SetServiceId(serviceAvailability.iTmgi.GetServiceId());

		XMBMSServiceParameterSet* returnPS = XMBMSServiceParameterSet::NewL(*returnPSC);

		TMBMSChannelInfoV1* serviceInfo = returnPS->GetChannelInfo();

		serviceInfo->SetTmgi(tmgi);

		serviceInfo->SetScope(serviceAvailability.iMbmsAccessBearer);

	    returnPS->SetServiceMode(serviceAvailability.iMbmsServiceMode);

	    returnPS->SetMBMSServiceAvailability(serviceAvailability.iMbmsAvailabilityStatus);

	    CleanupStack::Pop(returnPSC);

	    }

	CleanupStack::PopAndDestroy(serviceList);

	CleanupStack::Pop(returnBundle);

	return returnBundle;

	}

/**

This function is used to prepare result bundle containing bearer availability.

@param None

@return CConnectionServParameterBundle*

*/

CConnectionServParameterBundle* CMBMSServiceRequest::PrepareBearerResultBundleL() const

	{

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In PrepareBearerResultBundleL function"), this));

	CConnectionServParameterBundle* returnBundle = CConnectionServParameterBundle::NewL();

	CleanupStack::PushL(returnBundle);

	CParameterSetContainer* returnPSC = CParameterSetContainer::NewL(*returnBundle);

	CleanupStack::PushL(returnPSC);

	XMBMSServiceQuerySet* returnQuery = XMBMSServiceQuerySet::NewL(*returnPSC);

	returnQuery->SetMBMSBearerAvailability(iNetworkServiceStatus);

	CleanupStack::Pop(returnPSC);

	CleanupStack::Pop(returnBundle);

	return returnBundle;

	}

/**

This function is used to prepare result bundle containing current and max count of entries

in Monitor/Serice list table.

@param None

@return CConnectionServParameterBundle*

*/

CConnectionServParameterBundle* CMBMSServiceRequest::PrepareCountBundleL() const

	{

	__CFLOG_VAR((KPDPTierMgrTag, KMBMSObjectTag, _L8("CMBMSServiceRequest[%08x]::In PrepareCountBundleL function"), this));

	CConnectionServParameterBundle* returnBundle = CConnectionServParameterBundle::NewL();

	CleanupStack::PushL(returnBundle);

	CParameterSetContainer* returnPSC = CParameterSetContainer::NewL(*returnBundle);

	CleanupStack::PushL(returnPSC);

	XMBMSServiceQuerySet* returnQuery = XMBMSServiceQuerySet::NewL(*returnPSC);