// 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:

// PPP Loopback testing implementation

// 

//

/**

 @file 

 @internalComponent

*/

#include "ppplinkimpl.h"

using namespace te_ppploopback;

/**

 C++ Constructor

 @param aObserver the observer, for events on the link.

 @param aRConn the RConnection used to create the PPP link.

 @post Object is constructed.

 */	

CPppLinkImpl::CPppLinkImpl(MPppLinkObserver* aObserver, RConnection* aRConn):

	CActive(EPriorityNormal),

	iObserver(aObserver),

	iRConn(aRConn),	

	iPppStage(EDown)

	{

	CActiveScheduler::Add(this);

	}

/**

 C++ Destructor

 */

CPppLinkImpl::~CPppLinkImpl()

	{

	Cancel();

	iObserver = 0;

	iRConn  = 0;

	}

/**

 Asynchronously requests PPP link open

 @param aConnPrefs Connection Preferences, (specifying the IAP)

 @post Request is issued

 */ 

void CPppLinkImpl::OpenPppLinkL(TCommDbConnPref* aConnPrefs)

	{	

	iRConn->Start(*aConnPrefs, iStatus);

	SetActive();

	}

/**

 Requests to close PPP link 

 @pre Link is Up

 @post Link is Down

 @leave if the link is down already, or a link related error occurs.

 */

void CPppLinkImpl::ClosePppLinkL()

	{	

	User::LeaveIfError(iRConn->Stop());

	}

/**

Implementation of CActiveObject::RunL 

*/	

void CPppLinkImpl::RunL()

	{

	switch(iPppStage)

		{

		case EDown:

			if(iStatus.Int() == KErrNone)

				{

				iPppStage = EUp;

				}				

			iObserver->NotifyLinkUp(iStatus.Int());	

			iRConn->ProgressNotification(iProgress, iStatus, KLinkLayerClosed);				

			SetActive();		

			break;

		case EUp:

			iPppStage = EDown; // even if error.		

			iObserver->NotifyLinkDown(iStatus.Int());

			break;

		}				

	}

/**

 Implementation of CActiveObject::DoCancel()

 */	

void CPppLinkImpl::DoCancel()

	{

	if(iRConn->SubSessionHandle() != 0)

		{

		iRConn->CancelProgressNotification();

		}

	}

/**

 Implementation of ActiveObject::RunError()

 */	

TInt CPppLinkImpl::RunError()

	{

	return KErrNone; 

	}