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/*
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* Copyright (c) 2010 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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*/
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#include "ncmsharedstatemanager.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "ncmsharedstatemanagerTraces.h"
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#endif
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#ifdef _DEBUG
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_LIT(KPanicSharedState, "SharedStatePanic");
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#endif
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CNcmSharedStateManager* CNcmSharedStateManager::NewL(MShareStateObserver& aEngine)
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{
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CNcmSharedStateManager* self = new(ELeave) CNcmSharedStateManager(aEngine);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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CNcmSharedStateManager::CNcmSharedStateManager(MShareStateObserver& aEngine) : CActive(CActive::EPriorityStandard),
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iNotifyMsg(RMessage2()), iEngine(aEngine)
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{
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CActiveScheduler::Add(this);
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}
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CNcmSharedStateManager::~CNcmSharedStateManager()
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{
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OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_CNCMSHAREDSTATEMANAGER);
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Cancel();
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iProperty.Close();
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iProperty.Delete(KKeyNcmConnectionEvent);
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delete iCoexistBearer;
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OstTraceFunctionExit0(CNCMSHAREDSTATEMANAGER_CNCMSHAREDSTATEMANAGER_DUP01);
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}
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void CNcmSharedStateManager::ConstructL()
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{
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OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_CONSTRUCTL);
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TInt ccStartRequested = ENcmStartRequested;
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User::LeaveIfError(RProperty::Get(KUsbmanSvrUid, KKeyNcmSharedState, ccStartRequested));
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if (ccStartRequested != ENcmStartRequested)
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{
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User::Leave(KErrNotReady);
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}
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User::LeaveIfError(iProperty.Define(KKeyNcmConnectionEvent, RProperty::EByteArray, KAllowAllPolicy, KNetworkControlPolicy));
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User::LeaveIfError(iProperty.Attach(RProcess().SecureId(), KKeyNcmConnectionEvent, EOwnerThread));
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iCoexistBearer = CNcmCoexistBearerWatcher::NewL();
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iNcmState().iIapId = 0;
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OstTraceFunctionExit0(CNCMSHAREDSTATEMANAGER_CONSTRUCTL_DUP01);
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}
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/**
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Maintains the shared state between the NCM class controller and packet driver.
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*/
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void CNcmSharedStateManager::RunL()
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{
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TInt err = iStatus.Int();
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OstTrace1(TRACE_NORMAL, CNCMSHAREDSTATEMANAGER_RUNL, "iStatus.Int()=%d", iStatus.Int());
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if (KErrNone == err)
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{
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DoDhcpProvisionRequest();
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}
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else if (KErrCancel != err)
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{
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NotifyNcmDisconnected(err);
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}
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}
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/**
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Stop checking the shared state
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*/
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void CNcmSharedStateManager::DoCancel()
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{
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iCoexistBearer->Cancel();
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}
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TInt CNcmSharedStateManager::NotifyDhcpProvisionRequested()
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{
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OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_NOTIFYDHCPPROVISIONREQUESTED);
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TInt ret = iCoexistBearer->SetIpOverUsbActive(iStatus);
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if (ret == KErrCompletion)
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{
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return DoDhcpProvisionRequest();
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}
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else if (ret == KErrNone)
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{
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//notify the upper apps BTPAN is used by others.
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NotifyNcmDisconnected(KErrInUse);
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SetActive();
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}
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else
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{
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NotifyNcmDisconnected(ret);
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}
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OstTraceFunctionEntry0(CNCMSHAREDSTATEMANAGER_NOTIFYDHCPPROVISIONREQUESTED_DUP01);
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return ret;
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}
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TInt CNcmSharedStateManager::DoDhcpProvisionRequest()
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{
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if (iNotifyMsg.IsNull())
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{
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__ASSERT_DEBUG(0, User::Panic(KPanicSharedState, __LINE__));
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//return AlreadyExists, so that Engine can start immediately.
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return KErrAlreadyExists;
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}
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else
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{
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iNotifyMsg.Complete(KErrNone);
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iNotifyMsg = RMessage2();
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}
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return KErrNone;
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}
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void CNcmSharedStateManager::NotifyNcmConnected()
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{
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iNcmState().iState = ENcmStateConnected;
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iProperty.Set(iNcmState);
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}
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void CNcmSharedStateManager::NotifyNcmDisconnected(TInt aReason)
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{
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iNcmState().iState = ENcmStateDisconnected;
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iNcmState().iErrCode = aReason;
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iProperty.Set(iNcmState);
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if (iCoexistBearer->IsIpOverUsbActived())
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{
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iCoexistBearer->SetIpOverUsbDeactive();
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}
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else
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{
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Cancel();
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}
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}
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TInt CNcmSharedStateManager::SetStateValue(TInt aType, TInt aValue)
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{
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OstTraceExt2(TRACE_NORMAL, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE, "SetStateValue: type=%d, val=%d", aType, aValue);
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const TInt KTypeIapId = 0;
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const TInt KTypeDhcpReturn = 1;
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TInt ret = KErrNone;
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switch(aType)
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{
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case KTypeIapId:
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//don't assign more than once.
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__ASSERT_DEBUG(iNcmState().iIapId==0, User::Panic(KPanicSharedState, __LINE__));
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iNcmState().iIapId = aValue;
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break;
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case KTypeDhcpReturn:
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if (KErrNone == aValue)
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{
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iEngine.NotifyDhcpStarted();
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}
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else
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{
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OstTrace1(TRACE_WARNING, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE_DUP01, "Dhcp Provision Request return error:%d", aValue);
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NotifyNcmDisconnected(aValue);
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}
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break;
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default:
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OstTraceExt2(TRACE_ERROR, CNCMSHAREDSTATEMANAGER_SETSTATEVALUE_DUP02, "unknow type:%d, value:%d", aType, aValue);
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__ASSERT_DEBUG(0, User::Panic(KPanicSharedState, __LINE__));
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break;
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}
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return ret;
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}
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TInt CNcmSharedStateManager::RegisterNotify(const RMessage2& aMsg)
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{
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if (!iNotifyMsg.IsNull())
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{
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return KErrInUse;
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}
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iNotifyMsg = aMsg;
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return KErrNone;
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}
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TInt CNcmSharedStateManager::DeRegisterNotify()
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{
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if (iNotifyMsg.IsNull())
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{
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return KErrNotReady;
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}
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else
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{
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iNotifyMsg.Complete(KErrCancel);
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iNotifyMsg = RMessage2();
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}
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return KErrNone;
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}
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