// 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 "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:

//

#include <comms-infras/ss_metaconnprov.h>

#include <comms-infras/ss_nodeinterfaces.h>

#include <elements/nm_messages_errorrecovery.h>

#include <comms-infras/ss_mcprnodemessages.h>

#include "pdpmcpr.h"

#include "pdpmcprstates.h"

using namespace ESock;

using namespace NetStateMachine;

using namespace Messages;

namespace PdpMCprStates

{

}

namespace PdpMCprErrorRecoveryActivity

{

DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TAwaitingContentionResult, NetStateMachine::MState, PdpMCprStates::TContext)

TBool CPdpErrorRecoveryActivity::TAwaitingContentionResult::Accept()

	{

	TPdpContentionMessages::TPdpContentionResultMessage* msg = message_cast<TPdpContentionMessages::TPdpContentionResultMessage>(&iContext.iMessage);

	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);

	if(msg && msg->iNodeId == activity.iPendingCprId)

		{

		return ETrue;

		}

	return EFalse;

	}

DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TPdpContentionNoTagOrError, NetStateMachine::MStateFork, PdpMCprStates::TContext)

TInt CPdpErrorRecoveryActivity::TPdpContentionNoTagOrError::TransitionTag()

	{

	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);

	if (activity.iPendingCprId == Messages::TNodeId::NullId())

		{

		return MeshMachine::KErrorTag;

		}

	else

		{

		return MeshMachine::KNoTag;

		}

	}

DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TProcessErrorRecoveryReq, NetStateMachine::MStateTransition, PdpMCprStates::TContext)

void CPdpErrorRecoveryActivity::TProcessErrorRecoveryReq::DoL()

	{

	TEErrorRecovery::TErrorRecoveryRequest& req = message_cast<TEErrorRecovery::TErrorRecoveryRequest>(iContext.iMessage);

	TInt error = req.iErrContext.iStateChange.iError;

#ifdef SYMBIAN_NETWORKING_CONTENTION_MANAGEMENT

	if (req.iErrContext.iStateChange.iError == KErrUmtsMaxNumOfContextExceededByNetwork ||

	    req.iErrContext.iStateChange.iError == KErrUmtsMaxNumOfContextExceededByPhone)

		{

		// Get sender's priority

		TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TCFClientType(TCFClientType::EData));

		ESock::RCFNodePriorityInterface* dataClient;

		TBool wasFound = EFalse;

		TUint cprPriority = KMaxTUint;

		while ((dataClient = static_cast<RCFNodePriorityInterface*>(iter++)) != NULL)

			{

			if (dataClient->RecipientId() == req.iErrContext.iOriginator)

				{

				cprPriority = dataClient->Priority();

				wasFound = ETrue;

				}

			}

		if (wasFound)

			{

			TInt err = KErrNone;

			TBool result = EFalse;

			TRAP(err, result = iContext.Node().GetTierManager()->HandleContentionL(&iContext.Node(), req.iErrContext.iOriginator, cprPriority));

			if (err == KErrNone && result)

				{

				CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);

				activity.iPendingCprId = req.iErrContext.iOriginator;

				activity.iCprActivity = req.iErrContext.iActivitySigId;

				activity.iCprMessageId = req.iErrContext.iMessageId;

				activity.iErrorCode = error;

				// The contention request has been added into query, Reset message error code.

				// TErrResponse will be send from Mcpr's ContentionResolved function.

				error = KErrNone;

				}

			}

		}

#endif

	if (error != KErrNone)

		{

		TErrResponse propagateResp(TErrResponse::EPropagate, error, req.iErrContext.iMessageId);

		TEErrorRecovery::TErrorRecoveryResponse rawResp	(propagateResp);

		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, iContext.iSender);

		iContext.PostToSender(resp);

		}

	}

DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TProcessContentionResult, NetStateMachine::MStateTransition, PdpMCprStates::TContext)

void CPdpErrorRecoveryActivity::TProcessContentionResult::DoL()

	{

	TPdpContentionMessages::TPdpContentionResultMessage* msg = message_cast<TPdpContentionMessages::TPdpContentionResultMessage>(&iContext.iMessage);

	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);

	if (msg->iValue != 0)

		{

		TErrResponse retryResp(TErrResponse::ERetry, 0, activity.iCprMessageId);

		TEErrorRecovery::TErrorRecoveryResponse rawResp	(retryResp);

		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, activity.iOriginators[0].RecipientId());

		iContext.PostToSender(resp);

		}

	else

		{

		TErrResponse propagateResp(TErrResponse::EPropagate, activity.iErrorCode, activity.iCprMessageId);

		TEErrorRecovery::TErrorRecoveryResponse rawResp	(propagateResp);

		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, activity.iOriginators[0].RecipientId());

		iContext.PostToSender(resp);

		}

	}

}