author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 21:03:15 +0200 | |
changeset 0 | c3e98f10fcf4 |
child 44 | 7a45d2ea2f56 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008 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: AT NVRAM status change listener and notifier |
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* |
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*/ |
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#include "DunAtNvramListen.h" |
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#include "DunDebug.h" |
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// --------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// --------------------------------------------------------------------------- |
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// |
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CDunAtNvramListen* CDunAtNvramListen::NewL( RATExt* aAtCmdExt, |
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RATExtCommon* aAtCmdExtCommon ) |
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{ |
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CDunAtNvramListen* self = NewLC( aAtCmdExt, aAtCmdExtCommon ); |
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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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// --------------------------------------------------------------------------- |
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// Two-phased constructor. |
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// --------------------------------------------------------------------------- |
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// |
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CDunAtNvramListen* CDunAtNvramListen::NewLC( RATExt* aAtCmdExt, |
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RATExtCommon* aAtCmdExtCommon ) |
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{ |
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CDunAtNvramListen* self = new (ELeave) CDunAtNvramListen( |
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aAtCmdExt, |
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aAtCmdExtCommon ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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return self; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Destructor. |
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// --------------------------------------------------------------------------- |
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// |
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CDunAtNvramListen::~CDunAtNvramListen() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::~CDunAtNvramListen()") )); |
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ResetData(); |
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FTRACE(FPrint( _L("CDunAtNvramListen::~CDunAtNvramListen() complete") )); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Resets data to initial values |
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// --------------------------------------------------------------------------- |
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// |
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void CDunAtNvramListen::ResetData() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::ResetData()") )); |
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// APIs affecting this: |
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// IssueRequest() |
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Stop(); |
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// Internal |
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Initialize(); |
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FTRACE(FPrint( _L("CDunAtNvramListen::ResetData() complete") )); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Starts waiting for NVRAM status changes |
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// --------------------------------------------------------------------------- |
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// |
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TInt CDunAtNvramListen::IssueRequest() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest()") )); |
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if ( iNvramHandleState != EDunStateIdle ) |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest() (not ready) complete") )); |
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return KErrNotReady; |
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} |
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if ( !iStarted ) |
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{ |
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iAtCmdExtCommon->GetNvramStatus( iNvramBuffer ); |
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iAtCmdExt->BroadcastNvramStatusChange( iNvramBuffer ); |
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iStarted = ETrue; |
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} |
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iStatus = KRequestPending; |
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iAtCmdExtCommon->ReceiveNvramStatusChange( iStatus, iNvramBuffer ); |
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SetActive(); |
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iNvramHandleState = EDunStateNvramListening; |
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FTRACE(FPrint( _L("CDunAtNvramListen::IssueRequest() complete") )); |
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return KErrNone; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Stops waiting for NVRAM status changes |
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// --------------------------------------------------------------------------- |
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// |
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TInt CDunAtNvramListen::Stop() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::Stop()") )); |
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if ( iNvramHandleState != EDunStateNvramListening ) |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::Stop() (not ready) complete" ))); |
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return KErrNotReady; |
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} |
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iAtCmdExtCommon->CancelReceiveNvramStatusChange(); |
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Cancel(); |
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iNvramHandleState = EDunStateIdle; |
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FTRACE(FPrint( _L("CDunAtNvramListen::Stop() complete") )); |
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// Note: Don't mark iStarted to EFalse here! |
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return KErrNone; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CDunAtNvramListen::CDunAtNvramListen |
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// --------------------------------------------------------------------------- |
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// |
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CDunAtNvramListen::CDunAtNvramListen( RATExt* aAtCmdExt, |
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RATExtCommon* aAtCmdExtCommon ) : |
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CActive( EPriorityHigh ), |
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iAtCmdExt( aAtCmdExt ), |
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iAtCmdExtCommon( aAtCmdExtCommon ) |
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130 |
{ |
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Initialize(); |
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} |
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133 |
|
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// --------------------------------------------------------------------------- |
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// CDunAtNvramListen::ConstructL |
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// --------------------------------------------------------------------------- |
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// |
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void CDunAtNvramListen::ConstructL() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::ConstructL()") )); |
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if ( !iAtCmdExt || !iAtCmdExtCommon ) |
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142 |
{ |
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User::Leave( KErrGeneral ); |
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} |
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CActiveScheduler::Add( this ); |
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FTRACE(FPrint( _L("CDunAtNvramListen::ConstructL() complete") )); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Initializes this class |
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// --------------------------------------------------------------------------- |
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// |
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void CDunAtNvramListen::Initialize() |
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{ |
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// Don't initialize iAtCmdExt here (it is set through NewL) |
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// Don't initialize iAtCmdExtCommon here (it is set through NewL) |
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iNvramHandleState = EDunStateIdle; |
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iStarted = EFalse; |
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} |
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160 |
|
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// --------------------------------------------------------------------------- |
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// From class CActive. |
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// Gets called when NVRAM has changed |
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// --------------------------------------------------------------------------- |
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// |
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void CDunAtNvramListen::RunL() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL()") )); |
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iNvramHandleState = EDunStateIdle; |
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TInt retTemp = iStatus.Int(); |
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if ( retTemp != KErrNone ) |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL() (ERROR) complete (%d)"), retTemp )); |
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return; |
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} |
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iAtCmdExt->BroadcastNvramStatusChange( iNvramBuffer ); |
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IssueRequest(); |
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FTRACE(FPrint( _L("CDunAtNvramListen::RunL() complete") )); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// From class CActive. |
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// Gets called on cancel |
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// --------------------------------------------------------------------------- |
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// |
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void CDunAtNvramListen::DoCancel() |
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{ |
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FTRACE(FPrint( _L("CDunAtNvramListen::DoCancel()") )); |
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FTRACE(FPrint( _L("CDunAtNvramListen::DoCancel() complete") )); |
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} |