telephonyprotocols/pdplayer/src/pdpmcprstates.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:41:59 +0200
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <comms-infras/ss_metaconnprov.h>
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#include <comms-infras/ss_nodeinterfaces.h>
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#include <elements/nm_messages_errorrecovery.h>
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#include <comms-infras/ss_mcprnodemessages.h>
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#include "pdpmcpr.h"
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#include "pdpmcprstates.h"
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using namespace ESock;
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using namespace NetStateMachine;
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using namespace Messages;
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namespace PdpMCprStates
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{
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}
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namespace PdpMCprErrorRecoveryActivity
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{
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DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TAwaitingContentionResult, NetStateMachine::MState, PdpMCprStates::TContext)
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TBool CPdpErrorRecoveryActivity::TAwaitingContentionResult::Accept()
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	{
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	TPdpContentionMessages::TPdpContentionResultMessage* msg = message_cast<TPdpContentionMessages::TPdpContentionResultMessage>(&iContext.iMessage);
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	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);
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	if(msg && msg->iNodeId == activity.iPendingCprId)
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		{
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		return ETrue;
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		}
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	return EFalse;
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	}
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DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TPdpContentionNoTagOrError, NetStateMachine::MStateFork, PdpMCprStates::TContext)
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TInt CPdpErrorRecoveryActivity::TPdpContentionNoTagOrError::TransitionTag()
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	{
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	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);
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	if (activity.iPendingCprId == Messages::TNodeId::NullId())
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		{
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		return MeshMachine::KErrorTag;
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		}
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	else
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		{
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		return MeshMachine::KNoTag;
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		}
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	}
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DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TProcessErrorRecoveryReq, NetStateMachine::MStateTransition, PdpMCprStates::TContext)
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void CPdpErrorRecoveryActivity::TProcessErrorRecoveryReq::DoL()
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	{
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	TEErrorRecovery::TErrorRecoveryRequest& req = message_cast<TEErrorRecovery::TErrorRecoveryRequest>(iContext.iMessage);
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	TInt error = req.iErrContext.iStateChange.iError;
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#ifdef SYMBIAN_NETWORKING_CONTENTION_MANAGEMENT
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	if (req.iErrContext.iStateChange.iError == KErrUmtsMaxNumOfContextExceededByNetwork ||
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	    req.iErrContext.iStateChange.iError == KErrUmtsMaxNumOfContextExceededByPhone)
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		{
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		// Get sender's priority
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		TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TCFClientType(TCFClientType::EData));
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		ESock::RCFNodePriorityInterface* dataClient;
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		TBool wasFound = EFalse;
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		TUint cprPriority = KMaxTUint;
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		while ((dataClient = static_cast<RCFNodePriorityInterface*>(iter++)) != NULL)
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			{
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			if (dataClient->RecipientId() == req.iErrContext.iOriginator)
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				{
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				cprPriority = dataClient->Priority();
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				wasFound = ETrue;
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				}
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			}
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		if (wasFound)
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			{
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			TInt err = KErrNone;
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			TBool result = EFalse;
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			TRAP(err, result = iContext.Node().GetTierManager()->HandleContentionL(&iContext.Node(), req.iErrContext.iOriginator, cprPriority));
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			if (err == KErrNone && result)
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				{
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				CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);
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				activity.iPendingCprId = req.iErrContext.iOriginator;
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				activity.iCprActivity = req.iErrContext.iActivitySigId;
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				activity.iCprMessageId = req.iErrContext.iMessageId;
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				activity.iErrorCode = error;
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				// The contention request has been added into query, Reset message error code.
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				// TErrResponse will be send from Mcpr's ContentionResolved function.
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				error = KErrNone;
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				}
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			}
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		}
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#endif
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	if (error != KErrNone)
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		{
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		TErrResponse propagateResp(TErrResponse::EPropagate, error, req.iErrContext.iMessageId);
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		TEErrorRecovery::TErrorRecoveryResponse rawResp	(propagateResp);
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		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, iContext.iSender);
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		iContext.PostToSender(resp);
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		}
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	}
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DEFINE_SMELEMENT(CPdpErrorRecoveryActivity::TProcessContentionResult, NetStateMachine::MStateTransition, PdpMCprStates::TContext)
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void CPdpErrorRecoveryActivity::TProcessContentionResult::DoL()
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	{
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	TPdpContentionMessages::TPdpContentionResultMessage* msg = message_cast<TPdpContentionMessages::TPdpContentionResultMessage>(&iContext.iMessage);
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	CPdpErrorRecoveryActivity& activity = static_cast<CPdpErrorRecoveryActivity&>(*iContext.iNodeActivity);
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	if (msg->iValue != 0)
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		{
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		TErrResponse retryResp(TErrResponse::ERetry, 0, activity.iCprMessageId);
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		TEErrorRecovery::TErrorRecoveryResponse rawResp	(retryResp);
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		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, activity.iOriginators[0].RecipientId());
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		iContext.PostToSender(resp);
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		}
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	else
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		{
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		TErrResponse propagateResp(TErrResponse::EPropagate, activity.iErrorCode, activity.iCprMessageId);
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		TEErrorRecovery::TErrorRecoveryResponse rawResp	(propagateResp);
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		TCFSafeMessage::TResponseCarrierWest<TEErrorRecovery::TErrorRecoveryResponse> resp(rawResp, activity.iOriginators[0].RecipientId());
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		iContext.PostToSender(resp);
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		}
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	}
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}
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