/*

* Copyright (c) 2007-2009 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:  Keepalive object for Nokia IPsec over NAT

*

*/

#include "ikedebug.h" 

#include "ikev1pluginsession.h"

#include <commdbconnpref.h> // TCommDbConnPref

#include "ikev1nokianattkeepalive.h" // CIkev1NokiaNattKeepAlive

_LIT8(KMsgContent, "\xff");

CIkev1NokiaNattKeepAlive* CIkev1NokiaNattKeepAlive::NewL( CIkev1PluginSession&  aPluginSession,

                                                          TInetAddr& aDestAddr, 

                                                          TUint16 aPort,

                                                          TUint aInterval,

                                                          MIkeDebug& aDebug )

	{

	CIkev1NokiaNattKeepAlive *self = new (ELeave) CIkev1NokiaNattKeepAlive( aPluginSession,

	                                                                        aDestAddr,

	                                                                        aPort,

	                                                                        aDebug );

	CleanupStack::PushL(self);

	self->ConstructL(aInterval);

	CleanupStack::Pop(self);

	return self;

	}

CIkev1NokiaNattKeepAlive::~CIkev1NokiaNattKeepAlive()

	{

	if (iTimer)

		{

		iTimer->Cancel();

		delete iTimer;

		iTimer = NULL;

		}

	}

CIkev1NokiaNattKeepAlive::CIkev1NokiaNattKeepAlive( CIkev1PluginSession& aPluginSession,

                                                    TInetAddr& aDestAddr, 

                                                    TUint16 aPort,

                                                    MIkeDebug& aDebug )

: iPluginSession(aPluginSession),

  iDestAddr(aDestAddr),

  iPort(aPort),

  iMsg(KMsgContent),

  iDebug(aDebug)

	{

	iDestAddr.SetPort(iPort);

	}

void CIkev1NokiaNattKeepAlive::ConstructL(TUint aInterval)

	{

	/*

     * Set up periodic timer

     */

	// Interval and initial delay

	TTimeIntervalMicroSeconds32 interval(aInterval * 1000000);

	iTimer = CPeriodic::NewL(CActive::EPriorityStandard);

	iTimer->Start(interval, interval, 

			TCallBack(CIkev1NokiaNattKeepAlive::PeriodicCallback, this));

	DEBUG_LOG(_L("CIkev1NokiaNattKeepAlive::ConstructL(aInterval) Constructed"));

	}

void CIkev1NokiaNattKeepAlive::Send()

	{	

	TRAPD( err, iPluginSession.SendNokiaNatKeepAliveL( iDestAddr, iMsg, 0 ) );

	err = err;

	DEBUG_LOG1(_L("CIkev1NokiaNattKeepAlive::Send() Request sending of keepalive packet, err=%d"), err);

	}

TInt CIkev1NokiaNattKeepAlive::PeriodicCallback(TAny *aPtr)

	{

	CIkev1NokiaNattKeepAlive *self = static_cast<CIkev1NokiaNattKeepAlive*>(aPtr);

	self->Send();

	return KErrNone;

	}