/*

* Copyright (c) 2006 - 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    Starts sending keepalive -requests to STUN Client.

*

*/

#include "natfwstunrefreshtimer.h"

#include "natfwstunpluginlogs.h"

#include "natfwrefreshobserver.h"

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// C++ default constructor

// ---------------------------------------------------------------------------

//

CNATFWStunRefreshTimer::CNATFWStunRefreshTimer( 

    MNATFWRefreshObserver& aObserver ) : 

    CActive( EPriorityStandard ), iObserver( aObserver )

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::CNATFWStunRefreshTimer start" )

    CActiveScheduler::Add( this );

    __STUNPLUGIN( "CNATFWStunRefreshTimer::CNATFWStunRefreshTimer end" )

    }

// ---------------------------------------------------------------------------

// Symbian constructor

// Creates timer service.

// ---------------------------------------------------------------------------

//

void CNATFWStunRefreshTimer::ConstructL()

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::ConstructL start" )

    User::LeaveIfError( iTimer.CreateLocal() );

    __STUNPLUGIN( "CNATFWStunRefreshTimer::ConstructL end" )

    }

// ---------------------------------------------------------------------------

// Symbian constructor

// ---------------------------------------------------------------------------

//

CNATFWStunRefreshTimer* CNATFWStunRefreshTimer::NewL( 

    MNATFWRefreshObserver& aObserver )

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::NewL" )

    CNATFWStunRefreshTimer* self = 

        CNATFWStunRefreshTimer::NewLC( aObserver );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// Symbian constructor

// ---------------------------------------------------------------------------

//

CNATFWStunRefreshTimer* CNATFWStunRefreshTimer::NewLC( 

    MNATFWRefreshObserver& aObserver )

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::NewLC" )

    CNATFWStunRefreshTimer* self = 

         new( ELeave ) CNATFWStunRefreshTimer( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CNATFWStunRefreshTimer::~CNATFWStunRefreshTimer()

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::~CNATFWStunRefreshTimer" )

    Cancel();

    iTimer.Close();

    }

// ---------------------------------------------------------------------------

// Receives interval as a parameter and waits for that time before activation.

// ---------------------------------------------------------------------------

//

void CNATFWStunRefreshTimer::StartStunRefresh( TUint aInterval )

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::StartStunRefresh" )

    iInterval = aInterval;

    if ( iInterval > 0 )

        {

        if ( !IsActive() )

            {

            iTimer.After( iStatus, aInterval );

            SetActive();

            }

        }

    else

        {

        Cancel();

        }

    }

// ---------------------------------------------------------------------------

// Checks refresher state

// ---------------------------------------------------------------------------

//

TBool CNATFWStunRefreshTimer::IsRunning() const

    {

    return IsActive();

    }

// ---------------------------------------------------------------------------

// Sends BindingRefresh request to CNATFWStunConnectionHandler through 

// MNATFWRefreshObserver after time in iInterval has passed.

// ---------------------------------------------------------------------------

//

void CNATFWStunRefreshTimer::RunL()

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::RunL" )

    iObserver.BindingRefreshL();

    StartStunRefresh( iInterval );

    }

// ---------------------------------------------------------------------------

// Cancels the current timer.

// ---------------------------------------------------------------------------

//

void CNATFWStunRefreshTimer::DoCancel()

    {

    __STUNPLUGIN( "CNATFWStunRefreshTimer::DoCancel" )

    iTimer.Cancel();

    }

// End of file