/*

* Copyright (c) 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:  active object, that monitors internal address change

*

*/

#include "ikedebug.h"

#include "ikepluginsessionif.h"

#include "internaladdress.h"

#include "eventmediatorapi.h"

// CLASS HEADER

#include "iachangeobserver.h"

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

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

// Two-phased constructor.

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

//

CIaChangeObserver* CIaChangeObserver::NewL( TUint32 aVpnIapId,

                                            const TInetAddr& aDnsServerAddr,

                                            MIkePluginSessionIf& aIkePluginSession,

                                            MIkeDebug& aDebug )

    {

    CIaChangeObserver* self = new (ELeave) CIaChangeObserver( aVpnIapId,

                                                              aDnsServerAddr,

                                                              aIkePluginSession,

                                                              aDebug );

    CleanupStack::PushL( self );

    self->ConstructL();    

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor.

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

//

CIaChangeObserver::~CIaChangeObserver()

    {

    Cancel();            

    iEventMediator.Close();

    }

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

// Constructor.

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

//

CIaChangeObserver::CIaChangeObserver( TUint32 aVpnIapId,

                                      const TInetAddr& aDnsServerAddr,

                                      MIkePluginSessionIf& aIkePluginSession,

                                      MIkeDebug& aDebug )

 : CActive( EPriorityStandard ),

   iVpnIapId( aVpnIapId ),

   iDnsServerAddr( aDnsServerAddr ),

   iIkePluginSession( aIkePluginSession ),

   iDebug( aDebug )

    {

    CActiveScheduler::Add( this );

    }

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

// Constructor.

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

//

void CIaChangeObserver::ConstructL()

    {

    User::LeaveIfError( iEventMediator.Connect() );    

    }

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

// Requests asynchronous internal address change notification.

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

//

void CIaChangeObserver::StartObserving()

    {

    iIkePluginSession.NotifyInternalAddressChanged( iInternalAddress,

                                                    iStatus );

    SetActive();

    }

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

// From class CActive

// Handles completion of asynchronous notification request. 

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

//

void CIaChangeObserver::RunL()

    {

    __ASSERT_DEBUG( iStatus.Int() == KErrNone ||

                    iStatus.Int() == KErrCancel,

                    User::Invariant() );

    if ( iStatus.Int() == KErrNone )

        {

        // VPN NET id is not needed in reporting internal address change.

        TConnectionInfo connectionInfo( iVpnIapId, 0 );

        TConnectionInfoBuf pckgConnectionInfo( connectionInfo );

        TVPNAddressPckg pckgVpnAddress( iInternalAddress );        

        TInt err = iEventMediator.ReportEvent( EKmdAddressChangeEvent,

                                               pckgConnectionInfo,

                                               pckgVpnAddress );

        err = err;

#ifdef _DEBUG                            

        TBuf<80> txt_addr;        

        iInternalAddress.iVPNIfAddr.OutputWithScope(txt_addr);

        DEBUG_LOG3(_L("Internal address changed to %S, VPN IAP id=%d, err=%d"),

                &txt_addr, iVpnIapId, err );

#endif            

        StartObserving();    

        }

    }

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

// From class CActive

// Handles cancellation of asynchronous notification request. 

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

//

void CIaChangeObserver::DoCancel()

    {

    iIkePluginSession.CancelNotifyInternalAddressChanged();

    }