// Copyright (c) 2004-2009 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:

// Name        : CConnectionMonitor.cpp

// Part of     : NetworkMonitor

// Implementation

// Version     : SIP/4.0

//

#include <connectprog.h>

#include "CConnectionMonitor.h"

#include "sipnetworkobserver.h"

#include "SipLogs.h"

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

// CConnectionMonitor::NewLC

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

//

CConnectionMonitor* CConnectionMonitor::NewL( MSIPNetworkObserver& aObserver,

								 			  RConnection& aConnection )

	{

	return new( ELeave ) CConnectionMonitor( aObserver, aConnection );

	}

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

// CConnectionMonitor::~CConnectionMonitor

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

//

CConnectionMonitor::~CConnectionMonitor()

	{

	StopMonitoring();

	}

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

// CConnectionMonitor::StartMonitoring

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

//

void CConnectionMonitor::StartMonitoring()

	{

	__SIP_LOG( "CConnectionMonitor::StartMonitoring entered" )

	iMonitorTotalClosure = EFalse;	

	StartMonitor();

	__SIP_LOG( "CConnectionMonitor::StartMonitoring returns" )

	}

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

// CConnectionMonitor::StopMonitoring

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

//

void CConnectionMonitor::StopMonitoring()

	{

	__SIP_LOG( "CConnectionMonitor::StopMonitoring entered" )

	Cancel();

	__SIP_LOG( "CConnectionMonitor::StopMonitoring returns" )

	}

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

// CConnectionMonitor::MonitorConnectionClosure

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

//	

void CConnectionMonitor::MonitorConnectionClosure()

    {

    iMonitorTotalClosure = ETrue;

    StartMonitor();

    }

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

// CConnectionMonitor::DoCancel

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

//

void CConnectionMonitor::DoCancel()

	{

	iConnection.CancelProgressNotification();

	}

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

// CConnectionMonitor::RunL

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

//

void CConnectionMonitor::RunL()

	{

	__SIP_INT_LOG1( "CConnectionMonitor::RunL", iStatus.Int() )

	TBool isConnected = TranslateStage( iProgress() );

	// Notify observers about state changes and errors

	TInt err = iStatus.Int();

	if( ( !isConnected ) || ( err != KErrNone ) )

		{

		iObserver.NetworkStateChanged(MSIPNetworkObserver::EConnectionLost,err);

		}

	else

		{		

		StartMonitor();

		}

	}

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

// CConnectionMonitor::StartMonitor

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

//

void CConnectionMonitor::StartMonitor()

    {

    if (!IsActive())

		{

		// Request further notification from NifMan

		iConnection.ProgressNotification( iProgress, iStatus );

		SetActive();

		}

    }

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

// CConnectionMonitor::TranslateStage

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

//

TBool CConnectionMonitor::TranslateStage( const TNifProgress& aProgress )

	{

	__SIP_INT_LOG1( "CConnectionMonitor::TranslateStage", aProgress.iStage )

	if ( iMonitorTotalClosure )

	    {

	    return ( aProgress.iStage != KConnectionUninitialised );

	    }

	return ( aProgress.iStage != KConnectionClosed ) &&

		   ( aProgress.iStage != KLinkLayerClosed ) &&

		   ( aProgress.iStage != KConnectionFailure );

	}

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

// CConnectionMonitor::CConnectionMonitor

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

//

CConnectionMonitor::CConnectionMonitor( MSIPNetworkObserver& aObserver,

										RConnection& aConnection )

	: CActive( CActive::EPriorityStandard ),

	  iObserver( aObserver ),

	  iConnection( aConnection ),

	  iMonitorTotalClosure( EFalse )

	{

	CActiveScheduler::Add( this );

	}