sysstatemgmt/systemstateplugins/gsapolicy/src/gsastatepolicystartup.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 04 Oct 2010 02:28:24 +0300
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permissions -rw-r--r--
Revision: 201039 Kit: 201039
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// Copyright (c) 2007-2010 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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#include <barsc2.h>
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#include <barsread2.h>
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#include <e32property.h>
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#include <e32uid.h>
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#include <e32std.h>
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#include <bautils.h>
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#include <centralrepository.h>
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#include <ssm/ssmcmd.hrh>
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#include <ssm/ssmsubstates.hrh>
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#ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN
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#include <ssm/ssmpatchableconstants.h>
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#include <ssm/conditiontypes.hrh>
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#endif
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#include <ssm/ssmstatetransition.h>
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#include <ssm/ssmcommandlistresourcereader.h>
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#include "gsastatepolicystartup.h"
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#include "ssmdebug.h"
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#include "ssmpanic.h" 
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#include "s32file.h" 
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#include "ssmpolicypluginsprivatecrkeys.h"
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/**
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Panic used by Startup policy plug-in when resource reader is invalid.
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Strings must not be longer than 16 characters or they will be truncated by User::Panic()
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*/
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_LIT(KPanicGsaStartupState, "StartupPolicy");
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/**
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 Start-up state policy resource file path format : "z:/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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/**
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 Commandlist path to launch 'sysstart.exe' when a resource file for 'start-up' is not found.
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 fallback to 'sysstart.exe' resource file path format : "z:/private/<SID of SSM>/startup/fallback/"
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*/
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_LIT(KFallbackCmdListPath, "z:\\private\\2000D75B\\startup\\fallback\\");
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/**
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Used to create an instance of MSsmStatePolicy class.
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@return A pointer to an instance of MSsmStatePolicy
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*/
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EXPORT_C MSsmStatePolicy* CGsaStatePolicyStartup::NewL()
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	{
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	CGsaStatePolicyStartup* self = new (ELeave) CGsaStatePolicyStartup;
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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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Gets the hardware reason for KSystemStartupModeKey and makes a RFs connection.
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Creates Command list path and the resource reader for startup.
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@leave One of the error value returned by 
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	    RProperty::Get() 
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	    RFs::Connect() 
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	    RArray::AppendL() 
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	    NewL()
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@see RProperty::Get
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*/
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void CGsaStatePolicyStartup::ConstructL()
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	{
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	// Read the hardware reason
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	User::LeaveIfError(RProperty::Get(KUidSystemCategory, KSystemStartupModeKey, iHardwareReason));
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	User::LeaveIfError(iFs.Connect());
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	// Add supported transitions from Startup 'ESsmStartup'
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	iCurrentlySupportedTransitions.AppendL(TSsmState(ESsmFail, KSsmAnySubState));
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	iCurrentlySupportedTransitions.AppendL(TSsmState(ESsmShutdown, KSsmAnySubState));
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	iCurrentlySupportedTransitions.AppendL(TSsmState(ESsmShutdown, ESsmShutdownSubStateCritical));
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	TFileName cmdListPath;
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	GetCommandListPath(iHardwareReason, cmdListPath);
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	DEBUGPRINT2(_L("Startup Policy : Startup command list path : %S"), &cmdListPath);
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	// create resource reader
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	iCommandListResourceReader = CSsmCommandListResourceReader::NewL(iFs, cmdListPath, *this);	
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	}
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/**
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default CTOR
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*/
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CGsaStatePolicyStartup::CGsaStatePolicyStartup()
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	{
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	}
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/**
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DTOR
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*/
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CGsaStatePolicyStartup::~CGsaStatePolicyStartup()
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	{
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	delete iCommandListResourceReader;
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	iSubStates.Close();
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	iFs.Close();
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	iCurrentlySupportedTransitions.Close();
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	}
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/**
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Initializes command list resource reader.
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@param aStatus to complete when the initialization operation has finished
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@panic EInvalidResourceReader if the command list resource reader is invalid
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@see MSsmStatePolicy::Initialize
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*/
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void CGsaStatePolicyStartup::Initialize(TRequestStatus& aStatus)
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	{
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	__ASSERT_DEBUG(iCommandListResourceReader, PanicNow(KPanicGsaStartupState, EInvalidResourceReader));
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	// initialise command list resource reader.
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	iCommandListResourceReader->Initialise(aStatus);
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	}
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/**
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Cancels an asynchronous Initialize operation.
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@see MSsmStatePolicy::InitializeCancel
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*/
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void CGsaStatePolicyStartup::InitializeCancel()
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	{
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	iCommandListResourceReader->InitialiseCancel();
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	}
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/** 
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Deletes all resources and frees itself.
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@see MSsmStatePolicy::Release
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*/
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void CGsaStatePolicyStartup::Release()
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	{
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	delete this;
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	}
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/** 
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Determines if an incoming startup state transition request should be accepted or rejected.
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Clients calling this API should posess 'ECapabilityPowerMgmt', else the API will return ENotAllowed.
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@param aRequest Contains information about the new request
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@param aCurrent Contains NULL or the first accepted but not yet completed transition request
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@param aQueued Contains NULL or a second accepted but not yet started transition request
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@param aMessage Message sent by SSM server, used to check if the client has 'ECapabilityPowerMgmt'
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@return one of the TResponse value
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@see MSsmStatePolicy::TransitionAllowed
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@see MSsmStatePolicy::TResponse
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*/
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MSsmStatePolicy::TResponse CGsaStatePolicyStartup::TransitionAllowed(const TSsmStateTransition& aRequest, TSsmStateTransition const* aCurrent, 
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																TSsmStateTransition const* aQueued, const RMessagePtr2& aMessage)
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	{
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	TResponse response = ENotAllowed;
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	if (!aMessage.HasCapability(ECapabilityPowerMgmt))
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		{
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		DEBUGPRINT1(_L ("Startup Policy : Capability Check Failed."));
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		return response;
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		}
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	//Check if the requested transition is supported from current state
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	if(TransitionSupported(aRequest.State()))
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		{
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		if((NULL == aCurrent) && (NULL == aQueued))
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			{
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			// SsmServer is idle
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			response = EDefinitelyAllowed;
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			}
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		else if((aRequest.State().MainState() == ESsmFail) || (aRequest.State().MainState() == ESsmShutdown))
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			{
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			// Going into failed state or shutdown state will override anything currently ongoing or queued
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			response = EReplaceCurrentClearQueue;
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			}
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		}
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#ifdef _DEBUG
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	TSsmStateName name = aRequest.State().Name();
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	if(ENotAllowed == response)
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		{
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		DEBUGPRINT3(_L("Startup Policy : Transition (Requested State: %S) is not allowed (Response: %d)."), &name, response);
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		}
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	else
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		{
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		DEBUGPRINT3(_L("Startup Policy : Transition (Requested State %S) is allowed (Response %d)."), &name, response);		
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		}
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#endif
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	return response;
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	}
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/** 
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Create the command list associated with a sub state transition.
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@param aState Contains the state and substate that identifies the command list to create
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@param aReason Contains the reason as given by the request
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@param aStatus to complete when the operation has finished
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@panic EInvalidResourceReader if the command list resource reader is invalid
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@see MSsmStatePolicy::PrepareCommandList
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*/ 
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void CGsaStatePolicyStartup::PrepareCommandList(TSsmState aState, TInt aReason, TRequestStatus& aStatus)
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	{
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	__ASSERT_DEBUG(iCommandListResourceReader, PanicNow(KPanicGsaStartupState, EInvalidResourceReader));
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	iSoftwareReason = aReason;
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   221
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	//Let's start from the beginning if no specific minor state is selected
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	iRequestedSubState = ((aState.SubState() == KSsmAnySubState) ? ESsmStartupSubStateCriticalStatic : aState.SubState());
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	TSsmState publishState;
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	publishState.Set(aState.MainState(), iRequestedSubState);
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	const TInt commandListId = publishState.SubState();
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	//Build the commandlist from resource
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	iCommandListResourceReader->PrepareCommandList(commandListId, publishState, aStatus);
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	} //lint !e1746 Suppress parameter 'aState' could be made const reference
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/**
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Cancels asynchronous PrepareCommandList operation.
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@see MSsmStatePolicy::PrepareCommandListCancel
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*/
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void CGsaStatePolicyStartup::PrepareCommandListCancel()
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	{
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	iCommandListResourceReader->PrepareCommandListCancel();
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	}
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/**	
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Return the command list once the  PrepareCommandList has completed.
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Ownership of the returned command list is transferred to the caller.
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@panic EInvalidResourceReader if the command list resource reader is invalid
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@return The command list created during the preceding PrepareCommandList step
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*/
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CSsmCommandList* CGsaStatePolicyStartup::CommandList()
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	{
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	__ASSERT_DEBUG(iCommandListResourceReader , PanicNow(KPanicGsaStartupState, EInvalidResourceReader));
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	return iCommandListResourceReader->GetCommandList();
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	}
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/**
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Determines the next sub state transition.
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@param aCurrentTransition Contains the last executed state
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@param aReason Contains the reason as given by the request
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@param aError Contains the completion code from the last executed sub-state transition
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@param aSeverity Contains the severity of the failed command in case the sub-state transition ended with an error
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@param aNextState The next System State to head for, if there is one
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@panic EInvalidStartupstate if the current state is not startup
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@return 	ETrue if aNextState contains another System State to head for, or 
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		EFalse if there is no further transitions to do.
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@see MSsmStatePolicy::GetNextState
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*/
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TBool CGsaStatePolicyStartup::GetNextState(TSsmState aCurrentTransition, TInt /*aReason*/, TInt aError, TInt /*aSeverity*/, TSsmState& aNextState)
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	{
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	__ASSERT_ALWAYS(aCurrentTransition.MainState() == ESsmStartup, PanicNow(KPanicGsaStartupState, EInvalidStartupState));
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	if (KErrNone != aError)	// Handle CLE error here
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		{
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		if (iLaunchSysStart)	// 'sysstart.exe' was launched unsuccessfully so launch 'sysagt2srv.exe' and 'wserv.exe'
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			{
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			iLaunchSysStart = EFalse;
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			iLaunchSysAgt2SrvAndWServ = ETrue;
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			DEBUGPRINT2(_L("Startup Policy : sysstart.exe launched with error : %d"), aError);
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			aNextState = TSsmState(ESsmStartup, ESsmStartupSubStateCriticalDynamic);
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			return ETrue;
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			}
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#ifdef __WINS__	// on emulator
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			{
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			DEBUGPRINT2(_L("Startup Policy : CLE returned with (error : %d), Panic on Emulator"), aError);
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			DEBUGPRINT1(_L("Startup Policy : Emulator (__WINS__) does not support a re-start, so Fail Policy is not invoked."));
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			PanicNow(KPanicGsaStartupState, EEmulatorPowerOff);
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			}
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#else	// on hardware/device
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			{
74
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			TInt resetLimit = -1;
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			TInt bootCount = -1;
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			TRAPD( err, GetStartupCountAndMaxbootLimitL(bootCount, resetLimit) );
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			if (bootCount < resetLimit && KErrNone == err)
0
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				{
74
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				aNextState = TSsmState(ESsmFail, ESsmFailSubStateRestart);
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				}
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			else	// Maximum allowed boot attempts has been made. Device needs a poweroff. Probable candidate for a reset/reflash.
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				{
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				aNextState = TSsmState(ESsmFail, ESsmFailSubStatePowerOff);
0
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				}
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	#ifdef _DEBUG
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			TSsmStateName name = aNextState.Name();
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			DEBUGPRINT3(_L("Startup Policy : CLE returned with (error : %d) so moving to Fail State : %S."), aError, &name);
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	#endif
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			return ETrue;
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			}
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#endif
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		}
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	else if(iLaunchSysStart || iLaunchSysAgt2SrvAndWServ)	// If either sysstart or sysagt2srv and wserv was launched and CLE did not return an error
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		{
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		if (iLaunchSysStart)
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			{
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			iLaunchSysStart = EFalse;
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			DEBUGPRINT1(_L("Startup Policy : sysstart.exe launched successfully."));
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			}
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		if (iLaunchSysAgt2SrvAndWServ)
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			{
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			iLaunchSysAgt2SrvAndWServ = EFalse;
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			DEBUGPRINT1(_L("Startup Policy : sysagt2srv.exe and wserv.exe launched successfully."));
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			}
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		aNextState = TSsmState(ESsmNormal, KSsmAnySubState);	// move to Normal state
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		return ETrue;
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		}
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	else	// have to move one with the next substates in this state
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		{
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		// Get the sub states from resource reader only once
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parents:
diff changeset
   328
		if (!iSubStatesCount)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
			{
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
			// Get sub states list from resource reader
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
			TRAPD(err, iCommandListResourceReader->GetCommandListIdsL(iSubStates));
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
			if (err)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
				{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
				DEBUGPRINT2(_L("Startup Policy : Command list ids prepared with error: %d"), err);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
				}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
			else
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
				{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
				iSubStatesCount = iSubStates.Count();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
				}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
			}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
		TInt index = iSubStates.Find(iRequestedSubState);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
		if (KErrNotFound == index)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
			{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
			DEBUGPRINT2(_L("Startup Policy : SubState for transition not found: %d"), index);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
			PanicNow(KPanicGsaStartupState, ESubStateIndexNotFound);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
			}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
		else if (index == (iSubStatesCount - 1))	// transition complete, move to Normal state
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
			{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
			TInt retVal = EFalse;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
			// moving to next state as the transition is completed for ESsmStartup
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
			if (iSubStatesCount && (iRequestedSubState == iSubStates[iSubStatesCount-1]))
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
				{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
				aNextState = TSsmState(ESsmNormal, KSsmAnySubState);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
				retVal = ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
				}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
			return retVal;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
			}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
		else		// there is a substate available for transition, moved ahead
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
			{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
			iRequestedSubState = iSubStates[++index];
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
			aNextState = TSsmState(ESsmStartup, iRequestedSubState);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
#ifdef _DEBUG
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
			TSsmStateName name = aNextState.Name();
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
			DEBUGPRINT2(_L("Startup Policy : Transition to next state is : %S"), &name);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
#endif				
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
			return ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
			}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
		}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
	return EFalse;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
	} //lint !e1746 Suppress parameter 'aCurrentTransition' could be made const reference
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
/**
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
Callback used by CSsmCommandListResourceReader when a decision needs to be made
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
on whether to include a command in a command list or not.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
@param aResourceFile Instance of CResourceFile
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
@param aResourceId Resource id of SSM_SYMBIAN_CONDITIONAL_INFORMATION struct for command
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
@return ETrue in case the command needs to be included in command list, else EFalse.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
@see MSsmConditionalCallback::ConditionalCommandAllowedL
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
*/
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
#ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
TBool CGsaStatePolicyStartup::ConditionalCommandAllowedL(CResourceFile& aResourceFile, TInt aResourceId)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
#else
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
TBool CGsaStatePolicyStartup::ConditionalCommandAllowedL(CResourceFile& /*aResourceFile*/, TInt /*aResourceId*/)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
#endif
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	TBool isAllowed = EFalse;        
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
#ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
   	HBufC8* buf = aResourceFile.AllocReadLC(aResourceId);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
   	TResourceReader reader; 
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	reader.SetBuffer(buf);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	//Read the type of the command from the resource file
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	TUint16 type = reader.ReadUint16();
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	CleanupStack::PopAndDestroy(buf);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	// check that the type is equal to "EGracefulShutdown"
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	if(type == EGracefulShutdown)    
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
		{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
		//Check whether SSM graceful shutdown is enabled or not
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
		if(IsSsmGracefulShutdown())   
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
			{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
			isAllowed = ETrue;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
			}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
		}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
#else
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
	// no commands use 'conditional_information' in Startup state command list.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	PanicNow(KPanicGsaStartupState, EConditionalInfoNotImplemented);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
#endif
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	return isAllowed;
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
	}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
/*
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
Helper function to check whether requested transition is supported or not.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
*/
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
TBool CGsaStatePolicyStartup::TransitionSupported(const TSsmState& aRequestedState) const
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	return (iCurrentlySupportedTransitions.Find(aRequestedState) > KErrNotFound);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	}
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
/*
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
Helper function to create command list path for start-up.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
Implements fallback mechanism to launch 'sysstart.exe' if static command list for 'start-up' state is not found.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
This temporary implementation is required during migration from existing 'sysstart' to 'ssma start-up'.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
*/
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
void CGsaStatePolicyStartup::GetCommandListPath(TUint aBootMode, TDes& aCmdListPath)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
	{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
	aCmdListPath.Format(KCommandListPath, aBootMode);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
	TBool found = BaflUtils::FolderExists(iFs, aCmdListPath);
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
	// This Fallback mechanism is used internally during migration from 'sysstart' to 'ssma start-up' and is not required otherwise.
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	if (!found)
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
		{
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
		aCmdListPath.Copy(KFallbackCmdListPath());
4e1aa6a622a0 Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
		iLaunchSysStart = ETrue;	// launch 'sysstart.exe'
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		}
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	}
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   439
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   440
/*
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   441
Helper function to get the startup boot count and maximum boot attempts limit 
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   442
from the central repository
0
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*/
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void CGsaStatePolicyStartup::GetStartupCountAndMaxbootLimitL(TInt &aBootcount, TInt &aResetLimit)
0
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	{
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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	CRepository* repository = CRepository::NewLC( KCRUidSsmStartupPolicy );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   447
	User::LeaveIfError( repository->Get( KSsmStartupErrorResetLimit, aResetLimit ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   448
	DEBUGPRINT2( _L("Reset limit is %d"), aResetLimit );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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	User::LeaveIfError( repository->Get( KSsmStartupErrorResetCounter, aBootcount ) );
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	DEBUGPRINT2( _L("Reset count is %d"), aBootcount );
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   451
	CleanupStack::Pop(repository);
0
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	}