localconnectivityservice/dun/atext/src/DunAtModeListen.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 13 Oct 2010 15:32:36 +0300
branchRCL_3
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parent 0 c3e98f10fcf4
permissions -rw-r--r--
Revision: 201038 Kit: 201041
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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:  Modem's mode listener and notifier
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*
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*/
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#include "DunAtModeListen.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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CDunAtModeListen* CDunAtModeListen::NewL( RATExtCommon* aAtCmdExtCommon,
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                                          MDunAtModeListen* aCallback )
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    {
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    CDunAtModeListen* self = NewLC( aAtCmdExtCommon, aCallback );
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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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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtModeListen* CDunAtModeListen::NewLC( RATExtCommon* aAtCmdExtCommon,
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                                           MDunAtModeListen* aCallback )
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    {
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    CDunAtModeListen* self = new (ELeave) CDunAtModeListen( aAtCmdExtCommon,
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                                                            aCallback );
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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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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtModeListen::~CDunAtModeListen()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen()") ));
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    ResetData();
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    FTRACE(FPrint( _L("CDunAtModeListen::~CDunAtModeListen() complete") ));
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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 CDunAtModeListen::ResetData()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::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("CDunAtModeListen::ResetData() complete") ));
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    }
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// ---------------------------------------------------------------------------
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// Issues request to start monitoring for mode status changes
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// ---------------------------------------------------------------------------
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//
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TInt CDunAtModeListen::IssueRequest()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest()" )));
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    if ( iModeListenState != EDunStateIdle )
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        {
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        FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() (not ready) complete" ) ));
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        return KErrNotReady;
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        }
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    iStatus = KRequestPending;
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    iModeListenState = EDunStateModeListening;
0
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    iAtCmdExtCommon->ReceiveModeStatusChange( iStatus, iModePckg );
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    SetActive();
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    FTRACE(FPrint( _L("CDunAtModeListen::IssueRequest() complete" )));
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    return KErrNone;
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    }
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// ---------------------------------------------------------------------------
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// Stops monitoring for mode status changes
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// ---------------------------------------------------------------------------
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//
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TInt CDunAtModeListen::Stop()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::Stop()" )));
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    if ( iModeListenState != EDunStateModeListening )
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        {
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        FTRACE(FPrint( _L("CDunAtModeListen::Stop() (not ready) complete" ) ));
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        return KErrNotReady;
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        }
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    iAtCmdExtCommon->CancelReceiveModeStatusChange();
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    Cancel();
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    iModeListenState = EDunStateIdle;
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    FTRACE(FPrint( _L("CDunAtModeListen::Stop() complete" )));
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    return KErrNone;
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    }
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// ---------------------------------------------------------------------------
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// CDunAtModeListen::CDunAtModeListen
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// ---------------------------------------------------------------------------
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//
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CDunAtModeListen::CDunAtModeListen( RATExtCommon* aAtCmdExtCommon,
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                                    MDunAtModeListen* aCallback ) :
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    CActive( EPriorityHigh ),
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    iAtCmdExtCommon( aAtCmdExtCommon ),
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    iCallback( aCallback ),
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    iModePckg( iMode )
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    {
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    Initialize();
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    }
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// ---------------------------------------------------------------------------
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// CDunAtModeListen::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CDunAtModeListen::ConstructL()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::ConstructL()") ));
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    if ( !iAtCmdExtCommon || !iCallback )
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        {
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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("CDunAtModeListen::ConstructL() complete") ));
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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 CDunAtModeListen::Initialize()
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    {
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    // Don't initialize iAtCmdExtCommon here (it is set through NewL)
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    // Don't initialize iCallback here (it is set through NewL)
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    iModeListenState = EDunStateIdle;
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    iMode = 0;
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    }
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Gets called when mode changes
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// ---------------------------------------------------------------------------
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//
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void CDunAtModeListen::RunL()
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    {
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    FTRACE(FPrint( _L("CDunAtModeListen::RunL()") ));
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    iModeListenState = 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("CDunAtModeListen::RunL() (ERROR) complete (%d)"), retTemp ));
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        return;
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        }
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    FTRACE(FPrint( _L("CDunAtModeListen::RunL() managing 0x%08X" ), iMode ));
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    iCallback->NotifyModeStatusChange( iMode );
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    IssueRequest();
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    FTRACE(FPrint( _L("CDunAtModeListen::RunL() complete") ));
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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 CDunAtModeListen::DoCancel()
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    {
44
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    FTRACE(FPrint( _L("CDunAtModeListen::DoCancel()") ));
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    FTRACE(FPrint( _L("CDunAtModeListen::DoCancel() complete") ));
0
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    }