author | hgs |
Fri, 04 Jun 2010 12:12:29 +0300 | |
changeset 25 | a0fdcd0e4c56 |
parent 0 | c40eb8fe8501 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2005-2010 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 the License "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 the WlanDot11InfrastructureNormalMode |
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* class. |
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* |
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*/ |
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/* |
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* %version: 15 % |
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*/ |
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#include "config.h" |
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#include "umacdot11infrastructurenormalmode.h" |
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#include "UmacContextImpl.h" |
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#include "umacoidmsg.h" |
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#ifndef NDEBUG |
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const TInt8 WlanDot11InfrastructureNormalMode::iName[] |
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= "dot11infrastructure::dot11-normalmode"; |
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#endif |
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// ============================ MEMBER FUNCTIONS =============================== |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanDot11InfrastructureNormalMode::ChangePowerMgmtMode( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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// initialize the counter which we use to determine if we should |
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// indicate BSS lost if we continuously are unsuccessful in changing the |
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// power mgmt mode |
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aCtxImpl.InitializeSetPsModeCount(); |
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ChangeState( aCtxImpl, |
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*this, // prev state |
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aCtxImpl.iStates.iPwrMgmtTransitionMode // next state |
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); |
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return ETrue; // signal caller that a state change occurred |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void WlanDot11InfrastructureNormalMode::DoPsModeErrorIndication( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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OsTracePrint( KWlmIndication, (TUint8*) |
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("UMAC: WlanDot11InfrastructureMode::DoPsModeErrorIndication") ); |
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||
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// as the lower layers indicate that there is a problem with the PS |
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// operation of the current AP, we want to be in CAM mode for as long |
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// as there's data activity. So, check if we need a mode change to be |
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// in CAM now |
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const TPowerMgmtModeChange KPowerMgmtModeChange ( |
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aCtxImpl.OnPsModeErrorIndication() ); |
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// if any change is needed regarding our power mgmt mode, |
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// proceed with it |
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PowerMgmtModeChange( aCtxImpl, KPowerMgmtModeChange ); |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanDot11InfrastructureNormalMode::OnActiveToLightPsTimerTimeout( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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TBool statechange( EFalse ); |
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if ( aCtxImpl.OnActiveToLightPsTimerTimeout() ) |
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{ |
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// change to Light PS mode desired |
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aCtxImpl.DesiredDot11PwrMgmtMode( WHA::KPsEnable ); |
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aCtxImpl.SetDesiredPsModeConfig( |
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aCtxImpl.ClientLightPsModeConfig() ); |
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// proceed with the mode change |
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statechange = ChangePowerMgmtMode( aCtxImpl ); |
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} |
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return statechange; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanDot11InfrastructureNormalMode::OnLightPsToActiveTimerTimeout( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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TBool statechange( EFalse ); |
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if ( aCtxImpl.OnLightPsToActiveTimerTimeout() ) |
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{ |
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// change to Active mode desired |
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aCtxImpl.DesiredDot11PwrMgmtMode( WHA::KPsDisable ); |
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// proceed with the mode change |
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statechange = ChangePowerMgmtMode( aCtxImpl ); |
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} |
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return statechange; |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanDot11InfrastructureNormalMode::OnLightPsToDeepPsTimerTimeout( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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TBool statechange( EFalse ); |
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if ( aCtxImpl.OnLightPsToDeepPsTimerTimeout() ) |
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{ |
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// change to Deep PS mode desired |
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aCtxImpl.DesiredDot11PwrMgmtMode( WHA::KPsEnable ); |
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aCtxImpl.SetDesiredPsModeConfig( |
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aCtxImpl.ClientDeepPsModeConfig() ); |
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// proceed with the mode change |
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statechange = ChangePowerMgmtMode( aCtxImpl ); |
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} |
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return statechange; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void WlanDot11InfrastructureNormalMode::Entry( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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if ( ( aCtxImpl.ClientDot11PwrMgmtMode() == WHA::KPsEnable ) && |
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( !aCtxImpl.DisassociatedByAp() ) && |
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( !aCtxImpl.DynamicPwrModeMgtDisabled() ) ) |
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{ |
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// activate dynamic power mode management |
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aCtxImpl.StartPowerModeManagement(); |
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} |
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|
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// dispatch an event that might be pending as we |
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// can come here from dot11-pwrmgmttransitionmode state |
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// which has enabled oid deferring to eventdispatcher |
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aCtxImpl.DispatchEvent(); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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void WlanDot11InfrastructureNormalMode::Exit( |
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WlanContextImpl& aCtxImpl) |
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{ |
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// deactivate dynamic power mode management |
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aCtxImpl.StopPowerModeManagement(); |
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} |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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#ifndef NDEBUG |
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const TInt8* WlanDot11InfrastructureNormalMode::GetStateName( |
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TUint8& aLength ) const |
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{ |
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aLength = sizeof( iName ); |
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return iName; |
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} |
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#endif |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TBool WlanDot11InfrastructureNormalMode::OnDot11PwrMgmtTransitRequired( |
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WlanContextImpl& aCtxImpl ) |
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{ |
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// initialize the counter which we use to determine if we should |
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// indicate BSS lost if we continuously are unsuccessful in changing the |
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// power mgmt mode |
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aCtxImpl.InitializeSetPsModeCount(); |
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|
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ChangeState( aCtxImpl, |
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*this, // prev state |
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aCtxImpl.iStates.iPwrMgmtTransitionMode // next state |
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); |
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|
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OnOidComplete( aCtxImpl ); |
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// global statemachine transition will occur |
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return ETrue; |
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} |