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/*
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* Copyright (c) 2007 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 FILES
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#include <bldvariant.hrh>
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#include <featmgr.h>
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#include <centralrepository.h>
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// USER INCLUDES
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#include "GSWatchDog.h"
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#include "GsLogger.h"
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#include "settingsinternalcrkeys.h"
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#include "SettingsPrivateCRKeys.h"
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#include <eikenv.h>
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#include <s32mem.h>
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#include <centralrepository.h>
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using namespace NCentralRepositoryConstants;
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// CONSTANTS
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// ========================= MEMBER FUNCTIONS ================================
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// ----------------------------------------------------------------------------
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// CGSWatchDog::NewL
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//
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// EPOC two-phased constructor
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// ----------------------------------------------------------------------------
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//
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CGSWatchDog* CGSWatchDog::NewL()
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{
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CGSWatchDog* self = new( ELeave ) CGSWatchDog;
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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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// ----------------------------------------------------------------------------
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// CGSWatchDog::ConstructL
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//
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// EPOC default constructor can leave.
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// ----------------------------------------------------------------------------
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//
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void CGSWatchDog::ConstructL()
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{
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__GSLOGSTRING( "[CGSWatchDog] ConstructL()" );
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iStore = CRepository::NewL( KCRUidMiscSettings );
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// Read last stored state for watchdog...
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ReadStateL();
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// If GS crashed last time, activate watchdog, reset run counter. Watchdog
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// will be active as long as exit was not clean (panicked).
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if( !WasCleanExitL() &&
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iWatchdogActivationLimit != KGSWatchdogActivationDisabled )
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{
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iCrashCounter++;
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iIsActive = ETrue;
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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#pragma message("-CGSWachDog verbose traces activated-")
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User::InfoPrint( _L("Watchdog activated!") );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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if( iQuarantine.Count() > 0 )
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{
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for( TInt i = 0; i < iQuarantine.Count(); i++ )
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{
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// If plugin is not already in blacklist, move it there from
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// quarantinelist.
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if( !IsInBlackList( iQuarantine[i] ) )
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{
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TGSPluginQuarantine quarantinedPlugin;
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quarantinedPlugin.iRunsAfterCrash = 0;
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quarantinedPlugin.iUid = iQuarantine[i];
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iBlackList.AppendL( quarantinedPlugin );
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iQuarantine.Remove( i );
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}
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}
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}
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}
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else
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{
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iIsActive = EFalse;
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iCrashCounter = 0;
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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User::InfoPrint( _L("Watchdog disabled.") );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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// Clean run -> empty quarantine.
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iQuarantine.Reset();
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}
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// Continue normal progress, set application to run state...
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iGSAppRunning = ETrue;
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// Store watchdog state at this point as panic will not call normal
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// destructors and data would be otherwise lost in case of panic.
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StoreStateL();
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::CGSWatchDog
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//
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// C++ constructor
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// ---------------------------------------------------------------------------
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CGSWatchDog::CGSWatchDog()
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{
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::~CGSWatchDog
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//
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// Destructor
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// ---------------------------------------------------------------------------
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CGSWatchDog::~CGSWatchDog()
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{
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// Update all blacklisted plugins in case no crash FIRST, then store...
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UpdateBlackListedPluginRunCounters();
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TRAP_IGNORE( StoreStateL(); );
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iBlackList.Close();
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iQuarantine.Close();
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delete iStore;
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::Quarantine
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::QuarantineL( TUid aPluginUid )
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{
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if( iIsActive )
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{
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iQuarantine.AppendL( aPluginUid );
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StoreQuarantineL(); // Store to persistent storage
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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__GSLOGSTRING1( "[CGSWatchDog] Quarantined:0x%X", aPluginUid.iUid );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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}
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::RemoveFromQuarantine
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::RemoveFromQuarantineL( TUid aPluginUid )
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{
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if( iIsActive )
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{
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for( TInt i = 0; i < iQuarantine.Count(); i++ )
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{
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if( iQuarantine[i] == aPluginUid )
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{
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iQuarantine.Remove( i );
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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__GSLOGSTRING1( "[CGSWatchDog] Removed from quarantine:0x%X", aPluginUid.iUid );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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StoreQuarantineL();
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break;
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}
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}
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}
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::WasCleanExit
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//
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//
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// ---------------------------------------------------------------------------
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TBool CGSWatchDog::WasCleanExitL()
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{
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return !iGSAppRunning;
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::ReportCleanExit
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::ReportCleanExitL()
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{
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iGSAppRunning = EFalse;
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iStore->Set( KWatchDogGSRunning, iGSAppRunning );
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::IsInBlackList
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//
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//
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// ---------------------------------------------------------------------------
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TBool CGSWatchDog::IsInBlackList( TUid aPluginUid )
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{
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TBool found = EFalse;
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if( iIsActive )
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{
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for( TInt i = 0; i < iBlackList.Count(); i++ )
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{
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if( iBlackList[i].iUid == aPluginUid )
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{
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found = ETrue;
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break;
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}
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}
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}
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return found;
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::StoreStateL
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::StoreStateL()
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{
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//iStore->Set( KWatchDogIsActive, iIsActive );
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iStore->Set( KWatchDogGSRunning, iGSAppRunning );
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iStore->Set( KWatchDogCrashCounter, iCrashCounter );
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iStore->Set( KWatchdogActivationLimit, iWatchdogActivationLimit );
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iStore->Set( KWatchdogMaxPluginBlackListedRuns, iMaxPluginBlackListedRuns );
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StoreQuarantineL();
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StoreBlackListL();
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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// The following is just for debug trace:
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__GSLOGSTRING( "[CGSWatchDog] Storing state:" );
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__GSLOGSTRING1( " iIsActive: %d", iIsActive );
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__GSLOGSTRING1( " iGSAppRunning: %d", iGSAppRunning );
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__GSLOGSTRING1( " iCrashCounter: %d", iCrashCounter );
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__GSLOGSTRING1( " iWatchdogActivationLimit: %d", iWatchdogActivationLimit );
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__GSLOGSTRING1( " iMaxPluginBlackListedRuns: %d", iMaxPluginBlackListedRuns );
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__GSLOGSTRING( "[CGSWatchDog] Stored plugins from quarantine:" );
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for( TInt i = 0; i < iQuarantine.Count(); i++ )
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{
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__GSLOGSTRING1( " 0x%X", iQuarantine[i].iUid );
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}
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__GSLOGSTRING( "-" );
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__GSLOGSTRING( "[CGSWatchDog] Stored plugins from blacklist:" );
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for( TInt i = 0; i < iBlackList.Count(); i++ )
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{
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__GSLOGSTRING2( " 0x%X %d runs", iBlackList[i].iUid.iUid, iBlackList[i].iRunsAfterCrash );
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}
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__GSLOGSTRING( "-" );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::ReadStateL
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::ReadStateL()
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{
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/*TInt isActive = EFalse; // Needed for mapping to TBool value
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TInt err = iStore->Get( KWatchDogIsActive, isActive );
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if( isActive == 1 )
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{
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iIsActive = ETrue;
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}
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else
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{
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iIsActive = EFalse;
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}*/
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TInt appRunning; // Needed for mapping to TBool value
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TInt err = iStore->Get( KWatchDogGSRunning, appRunning );
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if( err )
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{
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// CenRep values are uninitialized: first runtime of watchdog
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// -> init values
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InitStateL();
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}
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if( appRunning )
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{
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iGSAppRunning = ETrue;
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}
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else
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{
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iGSAppRunning = EFalse;
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}
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iStore->Get( KWatchDogCrashCounter, iCrashCounter );
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iStore->Get( KWatchdogActivationLimit, iWatchdogActivationLimit );
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iStore->Get( KWatchdogMaxPluginBlackListedRuns, iMaxPluginBlackListedRuns );
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ReadQuarantineL();
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ReadBlackListL();
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#ifdef _GS_WATCHDOG_VERBOSE_TRACES
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// The following is just for debug trace:
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__GSLOGSTRING( "[CGSWatchDog] Read state:" );
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__GSLOGSTRING1( " iIsActive: %d", iIsActive );
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__GSLOGSTRING1( " iGSAppRunning: %d", iGSAppRunning );
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__GSLOGSTRING1( " iCrashCounter: %d", iCrashCounter );
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__GSLOGSTRING1( " iWatchdogActivationLimit: %d", iWatchdogActivationLimit );
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__GSLOGSTRING1( " iMaxPluginBlackListedRuns: %d", iMaxPluginBlackListedRuns );
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__GSLOGSTRING( "[CGSWatchDog] Read plugins from quarantine:" );
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for( TInt i = 0; i < iQuarantine.Count(); i++ )
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{
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__GSLOGSTRING1( " 0x%X", iQuarantine[i].iUid );
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}
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__GSLOGSTRING( "-" );
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__GSLOGSTRING( "[CGSWatchDog] Read plugins from blacklist:" );
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for( TInt i = 0; i < iBlackList.Count(); i++ )
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{
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__GSLOGSTRING2( " 0x%X %d runs", iBlackList[i].iUid.iUid, iBlackList[i].iRunsAfterCrash );
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}
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__GSLOGSTRING( "-" );
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#endif //_GS_WATCHDOG_VERBOSE_TRACES
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::InitStateL
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::InitStateL()
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{
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__GSLOGSTRING( "[CGSWatchDog] initializing state..." );
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iIsActive = EFalse;
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iGSAppRunning = EFalse;
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iCrashCounter = 0;
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// Check CenRep, if values do not exist, use default values:
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TInt err;
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err = iStore->Get( KWatchDogCrashCounter, iWatchdogActivationLimit );
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if( err )
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{
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iWatchdogActivationLimit = KGSDefaultWatchdogActivationLimit;
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}
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err = iStore->Get( KWatchdogMaxPluginBlackListedRuns, iMaxPluginBlackListedRuns);
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if( err )
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{
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iMaxPluginBlackListedRuns = KGSDefaultMaxPluginBlackListedRuns;
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}
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StoreStateL();
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::ReadQuarantineL
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::ReadQuarantineL()
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{
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HBufC8* buf = HBufC8::NewLC( KMaxBinaryLength );
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TPtr8 serializedArr = buf->Des();
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iStore->Get( KWatchDogQuarantine, serializedArr );
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RDesReadStream stream;
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stream.Open( serializedArr );
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CleanupClosePushL( stream );
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// In case CenRep value is uninitialized (less than 16 bits), don't try
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//reading it
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TInt count = 0;
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if( buf->Size() > 0 )
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{
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count = stream.ReadUint16L();
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}
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for( TInt i = 0; i < count; i++ )
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{
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TUid uid;
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uid.iUid = stream.ReadInt32L();
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iQuarantine.AppendL( uid );
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}
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//stream.Close();
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CleanupStack::PopAndDestroy( &stream );
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CleanupStack::PopAndDestroy( buf );
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}
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// ---------------------------------------------------------------------------
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// CGSWatchDog::StoreQuarantineL
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//
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//
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// ---------------------------------------------------------------------------
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void CGSWatchDog::StoreQuarantineL()
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{
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// Hmmm. KMaxBinaryLength = 1024*2 unicode characters (16bit)
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// = 1024*2*16 bits = 32768.
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// 32768 - 16(count) bits reserved for 32 bit TUids = 1023.5 TUids
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// -> We can store 1023 UIds in quarantine. Should be enought as we have
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// about ~50 plugins at the moment and each plugin ought to be listed in
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// quarantine only once at a specific point of time.
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HBufC8* buf = HBufC8::NewLC( KMaxBinaryLength );
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TPtr8 serializedArr = buf->Des();
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RDesWriteStream stream;
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stream.Open( serializedArr );
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CleanupClosePushL( stream );
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|
436 |
stream.WriteUint16L( iQuarantine.Count() );
|
|
437 |
|
|
438 |
for( TInt i = 0; i < iQuarantine.Count(); i++ )
|
|
439 |
{
|
|
440 |
stream.WriteInt32L( iQuarantine[i].iUid );
|
|
441 |
}
|
|
442 |
// This also flushes the stream:
|
|
443 |
CleanupStack::PopAndDestroy( &stream );
|
|
444 |
|
|
445 |
iStore->Set( KWatchDogQuarantine, serializedArr );
|
|
446 |
|
|
447 |
CleanupStack::PopAndDestroy( buf );
|
|
448 |
}
|
|
449 |
|
|
450 |
|
|
451 |
// ---------------------------------------------------------------------------
|
|
452 |
// CGSWatchDog::ReadBlackListL
|
|
453 |
//
|
|
454 |
//
|
|
455 |
// ---------------------------------------------------------------------------
|
|
456 |
void CGSWatchDog::ReadBlackListL()
|
|
457 |
{
|
|
458 |
HBufC8* buf = HBufC8::NewLC( KMaxBinaryLength );
|
|
459 |
TPtr8 serializedArr = buf->Des();
|
|
460 |
iStore->Get( KWatchDogBlackList, serializedArr );
|
|
461 |
RDesReadStream stream;
|
|
462 |
stream.Open( serializedArr );
|
|
463 |
CleanupClosePushL( stream );
|
|
464 |
|
|
465 |
// In case CenRep value is uninitialized (less than 16 bits), don't try
|
|
466 |
//reading it
|
|
467 |
TInt count = 0;
|
|
468 |
if( buf->Size() > 0 )
|
|
469 |
{
|
|
470 |
count = stream.ReadUint16L();
|
|
471 |
}
|
|
472 |
for( TInt i = 0; i < count; i++ )
|
|
473 |
{
|
|
474 |
TGSPluginQuarantine plugin;
|
|
475 |
plugin.InternalizeL( stream );
|
|
476 |
iBlackList.AppendL( plugin );
|
|
477 |
}
|
|
478 |
|
|
479 |
//stream.Close();
|
|
480 |
CleanupStack::PopAndDestroy( &stream );
|
|
481 |
CleanupStack::PopAndDestroy( buf );
|
|
482 |
}
|
|
483 |
|
|
484 |
|
|
485 |
// ---------------------------------------------------------------------------
|
|
486 |
// CGSWatchDog::StoreBlackListL
|
|
487 |
//
|
|
488 |
//
|
|
489 |
// ---------------------------------------------------------------------------
|
|
490 |
void CGSWatchDog::StoreBlackListL()
|
|
491 |
{
|
|
492 |
HBufC8* buf = HBufC8::NewLC( KMaxBinaryLength );
|
|
493 |
TPtr8 serializedArr = buf->Des();
|
|
494 |
RDesWriteStream stream;
|
|
495 |
stream.Open( serializedArr );
|
|
496 |
CleanupClosePushL( stream );
|
|
497 |
|
|
498 |
stream.WriteUint16L( iBlackList.Count() );
|
|
499 |
|
|
500 |
for( TInt i = 0; i < iBlackList.Count(); i++ )
|
|
501 |
{
|
|
502 |
iBlackList[i].ExternalizeL( stream );
|
|
503 |
|
|
504 |
#ifdef _GS_WATCHDOG_VERBOSE_TRACES
|
|
505 |
__GSLOGSTRING1( "[CGSWatchDog] Written to blacklist 0x%X",
|
|
506 |
iBlackList[i].iUid.iUid );
|
|
507 |
#endif //_GS_WATCHDOG_VERBOSE_TRACES
|
|
508 |
|
|
509 |
}
|
|
510 |
// This also flushes the stream:
|
|
511 |
CleanupStack::PopAndDestroy( &stream );
|
|
512 |
|
|
513 |
iStore->Set( KWatchDogBlackList, serializedArr );
|
|
514 |
|
|
515 |
CleanupStack::PopAndDestroy( buf );
|
|
516 |
}
|
|
517 |
|
|
518 |
|
|
519 |
// ---------------------------------------------------------------------------
|
|
520 |
// CGSWatchDog::UpdateBlackListedPluginRunCounters
|
|
521 |
//
|
|
522 |
//
|
|
523 |
// ---------------------------------------------------------------------------
|
|
524 |
void CGSWatchDog::UpdateBlackListedPluginRunCounters()
|
|
525 |
{
|
|
526 |
TInt count = iBlackList.Count();
|
|
527 |
for( TInt i = 0; i < count; i++ )
|
|
528 |
{
|
|
529 |
iBlackList[i].iRunsAfterCrash++;
|
|
530 |
if( iBlackList[i].iRunsAfterCrash > iMaxPluginBlackListedRuns )
|
|
531 |
{
|
|
532 |
//__GSLOGSTRING2( "[CGSWatchDog] 0x%X removed from blacklist (%d runs)", iBlackList[i].iUid.iUid, iBlackList[i].iRunsAfterCrash );
|
|
533 |
iBlackList.Remove( i );
|
|
534 |
i--; // Item in index i has been removed
|
|
535 |
count--;// One item has been removed from the array
|
|
536 |
}
|
|
537 |
}
|
|
538 |
}
|
|
539 |
|
|
540 |
|
|
541 |
// ---------------------------------------------------------------------------
|
|
542 |
// TGSPluginQuarantine::InternalizeL
|
|
543 |
//
|
|
544 |
//
|
|
545 |
// ---------------------------------------------------------------------------
|
|
546 |
void TGSPluginQuarantine::InternalizeL( RReadStream& aStream )
|
|
547 |
{
|
|
548 |
iUid.iUid = aStream.ReadInt32L();
|
|
549 |
iRunsAfterCrash = aStream.ReadInt16L();
|
|
550 |
}
|
|
551 |
|
|
552 |
|
|
553 |
// ---------------------------------------------------------------------------
|
|
554 |
// TGSPluginQuarantine::ExternalizeL
|
|
555 |
//
|
|
556 |
//
|
|
557 |
// ---------------------------------------------------------------------------
|
|
558 |
void TGSPluginQuarantine::ExternalizeL( RWriteStream& aStream ) const
|
|
559 |
{
|
|
560 |
aStream.WriteInt32L( iUid.iUid );
|
|
561 |
aStream.WriteInt16L( iRunsAfterCrash );
|
|
562 |
}
|
|
563 |
|
|
564 |
|
|
565 |
//End of File
|