startup/ssmstartuppolicy.cpp
author markw <markw@symbian.org>
Fri, 15 Oct 2010 16:37:36 +0100
changeset 60 e17592a1211c
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permissions -rw-r--r--
Add files to break eiksrvui.dll dependency on MediaClientAudio.dll
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/*
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* Copyright (c) 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: Implementation of CSsmStartupPolicy class.
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*
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*/
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#include <centralrepository.h>
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#include <e32property.h>
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#include <e32uid.h>
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#include <featmgr.h>
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#include <ssm/ssmdomaindefs.h>
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#include <ssm/ssmcmd.hrh>
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#include <ssm/ssmcommandlistresourcereader.h>
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#include <ssm/ssmstate.h>
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#include <ssm/ssmstateawaresession.h>
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#include <ssm/ssmstatetransition.h>
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#include <ssm/startupdomainpskeys.h>
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#include "ssmsubstateext.hrh"
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#include "ssmmapperutility.h"
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#include "ssmmapperutilitystatic.h"
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#include "ssmstartuppolicy.h"
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#include "ssmpolicypluginsprivatecrkeys.h"
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#include "trace.h"
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/**
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* Start-up state policy resource file path format :
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* "\private\<SID of SSM>\startup\<Value of KSystemStartupModeKey>\"
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*/
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_LIT( KCommandListPath, "Z:\\private\\2000D75B\\startup\\%d\\" );
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// ======== LOCAL FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// GetStartupMode
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// ---------------------------------------------------------------------------
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//
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static TInt GetStartupMode()
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    {
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    FUNC_LOG;
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    TInt startupMode( EStartupModeNormal );
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    TInt errorCode = RProperty::Get(
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        SsmMapperUtility::PsUid( KPSUidStartup ), KPSGlobalStartupMode, startupMode );
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    ERROR( errorCode, "Failed to read startup mode from P&S" );
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    INFO_1( "Startup mode is %d", startupMode );
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    return startupMode;
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    }
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// ---------------------------------------------------------------------------
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// DecideStateByStartupMode
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// ---------------------------------------------------------------------------
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//
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static TSsmStartupSubStateExt DecideStateByStartupMode()
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    {
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    FUNC_LOG;
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    TInt startupMode( GetStartupMode() );
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    TSsmStartupSubStateExt nextState( ESsmStateSecurityCheck );
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    switch ( startupMode )
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        {
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        case EStartupModeTest:
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            nextState = ESsmStateTest;
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            break;
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        case EStartupModeAlarm:
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            nextState = ESsmStateAlarm;
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            break;
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        case EStartupModeCharging:
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            nextState = ESsmStateCharging;
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            break;
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        default:
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            break;
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        }
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    return nextState;
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    }
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::NewL
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// ---------------------------------------------------------------------------
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//
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EXPORT_C MSsmStatePolicy* CSsmStartupPolicy::NewL()
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    {
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    CSsmStartupPolicy* self = new( ELeave ) CSsmStartupPolicy;
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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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   107
// ---------------------------------------------------------------------------
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   108
// CSsmStartupPolicy::~CSsmStartupPolicy
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   109
// ---------------------------------------------------------------------------
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   110
//
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   111
CSsmStartupPolicy::~CSsmStartupPolicy()
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   112
    {
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   113
    FUNC_LOG;
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   114
    }
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   115
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   116
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   117
// ---------------------------------------------------------------------------
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   118
// CSsmStartupPolicy::GetNextState
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   119
// ---------------------------------------------------------------------------
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   120
//
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   121
// TomP - We've simplified this: we now only have 3 sub-states: PreUIServices StartingUIServices and StartingCriticalApps
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// After that we'll drop into the Normal state which with it's 1 sub-state: NonCritcalApps
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   123
TBool CSsmStartupPolicy::GetNextState(
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   124
    TSsmState aCurrentTransition,
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   125
    TInt /*aReason*/,
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   126
    TInt aError,
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   127
    TInt aSeverity,
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   128
    TSsmState& aNextState )
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   129
    {
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   130
    FUNC_LOG;
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   131
    INFO_2( "Current state %04x.%04x",
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   132
        aCurrentTransition.MainState(), aCurrentTransition.SubState() );
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   133
    ERROR_1( aError, "State transition resulted in an error, severity %d", aSeverity );
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   134
	ASSERT_TRACE( aCurrentTransition.MainState() == ESsmStartup );
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   135
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   136
	TBool moreToCome = EFalse;
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   137
	if ( aError == KErrNone || aSeverity < ECmdHighSeverity )
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   138
		{
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   139
		switch( aCurrentTransition.SubState() )
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   140
			{
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   141
			case KSsmAnySubState:
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   142
			case ESsmStatePreUiServices:
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   143
				aNextState = TSsmState( ESsmStartup, ESsmStateStartingUiServices );
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   144
				moreToCome = ETrue;
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   145
				break;
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   146
			case ESsmStateStartingUiServices:
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   147
				aNextState = TSsmState( ESsmStartup, ESsmStateStartingCriticalApps );
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   148
				moreToCome = ETrue;
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   149
				break;
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   150
			case ESsmStateStartingCriticalApps:
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   151
				//TomP aNextState = TSsmState( ESsmStartup, ESsmStateSelfTestOK );
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   152
				moreToCome = EFalse;
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   153
				break;
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   154
/*TomP		
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   155
			case ESsmStateSelfTestOK:
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   156
				aNextState = TSsmState( ESsmStartup, DecideStateByStartupMode() );
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   157
				moreToCome = ETrue;
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   158
				break;
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   159
			case ESsmStateChargingToNormal:
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   160
			case ESsmStateAlarmToNormal:
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   161
				aNextState = TSsmState( ESsmStartup, ESsmStateSecurityCheck );
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   162
				moreToCome = ETrue;
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   163
				break;
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   164
			case ESsmStateSecurityCheck:
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   165
				aNextState = TSsmState( ESsmStartup, SelectStateAfterSecurityCheck() );
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   166
				moreToCome = ETrue;
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   167
				break;
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   168
			case ESsmStateChargingToAlarm:
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   169
				aNextState = TSsmState( ESsmStartup, ESsmStateAlarm );
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   170
				moreToCome = ETrue;
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   171
				break;
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   172
			case ESsmStateAlarmToCharging:
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   173
				aNextState = TSsmState( ESsmStartup, ESsmStateCharging );
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   174
				moreToCome = ETrue;
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   175
				break;
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   176
			case ESsmStateNonCritical:
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   177
			    ClearResetCounter(); // start-up is successful
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   178
				aNextState = TSsmState( ESsmNormal, KSsmAnySubState );
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   179
				moreToCome = ETrue;
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   180
				break;
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   181
			case ESsmStateAlarm:
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   182
			case ESsmStateCharging:
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   183
			case ESsmStateTest:
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   184
				moreToCome = EFalse;
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   185
				break;
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   186
			case ESsmStateEmergencyCallsOnly:
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   187
			    ClearResetCounter(); // start-up is successful
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   188
				moreToCome = EFalse;
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diff changeset
   189
				break;
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diff changeset
   190
*/
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   191
			default:
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   192
        		ASSERT_ALWAYS_TRACE;
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   193
				moreToCome = EFalse;
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diff changeset
   194
				break;
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diff changeset
   195
			}
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diff changeset
   196
		}
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   197
	else
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   198
		{
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   199
        if ( ResetLimitReached() ) // Updates the reset count
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   200
            {
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diff changeset
   201
            aNextState = TSsmState( ESsmFail, KSsmAnySubState );
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   202
	    	moreToCome = ETrue;
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diff changeset
   203
    	    }
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diff changeset
   204
    	else
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diff changeset
   205
    	    {
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diff changeset
   206
            aNextState = TSsmState( ESsmShutdown, ESsmErrorShutdown );
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diff changeset
   207
            moreToCome = ETrue;
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diff changeset
   208
    	    }
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diff changeset
   209
		}
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diff changeset
   210
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	return moreToCome;
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::GetCommandListPathL
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// ---------------------------------------------------------------------------
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//
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void CSsmStartupPolicy::GetCommandListPathL( TDes& aCmdListPath )
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    {
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    FUNC_LOG;
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	aCmdListPath.Format( KCommandListPath, iHardwareReason );
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	iUtil->GetCommandListPath( aCmdListPath );
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::IsAllowedTargetState
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// ---------------------------------------------------------------------------
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//
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TBool CSsmStartupPolicy::IsAllowedTargetState(
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    const TSsmStateTransition& aRequest ) const
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    {
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    FUNC_LOG;
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    TSsmState currentState;
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    TInt errorCode = GetCurrentState( currentState );
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    ERROR( errorCode, "Failed to get current state" );
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    if ( errorCode == KErrNone )
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        {
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        TUint16 reqMainState( aRequest.State().MainState() );
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        TUint16 reqSubState( aRequest.State().SubState() );
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        INFO_2( "Requested target state = %04x.%04x", reqMainState, reqSubState );
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        TUint16 curMainState( currentState.MainState() );
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        TUint16 curSubState( currentState.SubState() );
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        INFO_2( "Current state = %04x.%04x", curMainState, curSubState );
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		// TomP - We'll allow any state transition as long as there was no error
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		return ETrue;
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        if ( reqMainState == ESsmStartup )
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            {
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            if ( ( curSubState == ESsmStateCharging &&
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                   ( reqSubState == ESsmStateChargingToAlarm ||
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                     reqSubState == ESsmStateChargingToNormal ) ) ||
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                 ( curSubState == ESsmStateAlarm &&
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                   ( reqSubState == ESsmStateAlarmToCharging ||
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                     reqSubState == ESsmStateAlarmToNormal ) ) )
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                {
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                return ETrue;
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                }
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            }
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        else if ( reqMainState == ESsmNormal )
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            {
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            if ( ( curMainState == ESsmStartup &&
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                   curSubState == ESsmStateNonCritical ) )
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                {
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                return ETrue;
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                }
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            }
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        else if ( reqMainState == ESsmFail ||
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                  reqMainState == ESsmShutdown )
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            {
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            return ETrue;
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            }
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        }
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    return EFalse;
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::TargetSubState
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// ---------------------------------------------------------------------------
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//
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TUint16 CSsmStartupPolicy::TargetSubState( const TUint16 aRequestedSubState )
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    {
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    FUNC_LOG;
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    INFO_1( "Requested sub state %04x", aRequestedSubState );
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	return ( aRequestedSubState == KSsmAnySubState ) ?
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        ESsmStatePreUiServices : aRequestedSubState;
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::CSsmStartupPolicy
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// ---------------------------------------------------------------------------
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//
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CSsmStartupPolicy::CSsmStartupPolicy()
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    {
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    FUNC_LOG;
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CSsmStartupPolicy::ConstructL()
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    {
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    FUNC_LOG;
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	// Read the hardware reason
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	User::LeaveIfError( RProperty::Get(
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	    KUidSystemCategory, KSystemStartupModeKey, iHardwareReason ) );
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    BaseConstructL();
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    }
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// ---------------------------------------------------------------------------
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// CSsmStartupPolicy::IsSimlessOfflineSupported
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// ---------------------------------------------------------------------------
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//
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TBool CSsmStartupPolicy::IsSimlessOfflineSupported()
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    {
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    FUNC_LOG;
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/*	
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   331
    TBool ret( EFalse );
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   332
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   333
    ret = ( iUtil->FeatureStatus( TUid::Uid( KFeatureIdOfflineMode ) ) ||
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            iUtil->FeatureStatus( TUid::Uid( KFeatureIdFlightMode ) ) ) &&
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   335
            iUtil->FeatureStatus( TUid::Uid( KFeatureIdFfSimlessOfflineSupport ) );
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   336
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    INFO_1( "Simless offline supported = %d", ret );
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   338
*/	
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	//TomP - SIMless Offline is always supported
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    return ETrue;
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   341
    }
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   342
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   343
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// ---------------------------------------------------------------------------
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   345
// CSsmStartupPolicy::SelectStateAfterSecurityCheck
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// ---------------------------------------------------------------------------
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   347
//
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   348
TUint16 CSsmStartupPolicy::SelectStateAfterSecurityCheck()
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   349
    {
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    FUNC_LOG;
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   351
/*
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   352
    TInt value( ESimStatusUninitialized );
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   353
    TInt errorCode = RProperty::Get( iUtil->PsUid( KPSUidStartup ), KPSSimStatus, value );
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    ERROR( errorCode, "Failed to read KPSUidStartup::KPSSimStatus P&S key" );
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    INFO_1( "Current SIM status = %d", value );
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   356
    TUint16 retVal( ESsmStateEmergencyCallsOnly );
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   357
    if ( errorCode == KErrNone )
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        {
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   359
        if ( value == ESimUsable || value == ESimNotSupported )
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   360
            {
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   361
            retVal = ESsmStateNonCritical;
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   362
            }
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   363
        else if ( value == ESimNotPresent && IsSimlessOfflineSupported() )
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   364
            {
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   365
            retVal = ESsmStateNonCritical;
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   366
            }
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   367
        }
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   368
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   369
    INFO_1( "State selected after security check = %04x", retVal );
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   370
*/	
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   371
	// TomP - Always jump straight into Non Critical State next
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   372
    return ESsmStateNonCritical;
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   373
    }
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   374
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   375
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// ---------------------------------------------------------------------------
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   377
// CSsmStartupPolicy::ClearResetCounter
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// ---------------------------------------------------------------------------
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   379
//
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   380
void CSsmStartupPolicy::ClearResetCounter()
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   381
    {
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   382
    FUNC_LOG;
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   383
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   384
    TRAPD_ERR( errorCode, ClearResetCounterL() );
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   385
    ERROR( errorCode, "Failed to clear reset counter" );
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   386
    }
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   387
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   388
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   389
// ---------------------------------------------------------------------------
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   390
// ClearResetCounterL
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   391
// ---------------------------------------------------------------------------
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   392
//
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   393
void CSsmStartupPolicy::ClearResetCounterL()
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   394
    {
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   395
    FUNC_LOG;
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diff changeset
   396
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   397
    CRepository* repository = CRepository::NewLC( iUtil->CrUid( KCRUidSsmStartupPolicy ) );
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   398
    User::LeaveIfError( repository->Set( KSsmStartupErrorResetCounter, 0 ) );
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   399
    CleanupStack::PopAndDestroy( repository );
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   400
    }