/*

* Copyright (c) 2008 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 the completion of FQDN resolve.

*

*/

// INTERNAL INCLUDES

#include "vpnconnection.h"

// CLASS HEADER

#include "fqdnresolver.h"

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

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

// Two-phased constructor.

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

//

CFqdnResolver* CFqdnResolver::NewL( CVpnConnection& aConnection,

                                    MFqdnResolverCallback& aCallback )

    {

    CFqdnResolver* self = new (ELeave) CFqdnResolver( aConnection, aCallback );

    return self;

    }

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

// Destructor.

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

//

CFqdnResolver::~CFqdnResolver()

    {   

    Cancel();

    __ASSERT_DEBUG( iFqdn == NULL, User::Invariant() );

    }

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

// Constructor.

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

//

CFqdnResolver::CFqdnResolver( CVpnConnection& aConnection,

                              MFqdnResolverCallback& aCallback )

 : CActive( EPriorityStandard ),

   iConnection( aConnection ),

   iCallback( aCallback )

    {

    CActiveScheduler::Add( this );

    }

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

// Resolves an IP address from FQDN address asynchronously.

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

//

void CFqdnResolver::ResolveAddress( HBufC* aFqdn )

    {

    iFqdn = aFqdn;

    iConnection.ResolveAddress( *iFqdn, iNameEntry, iStatus );

    SetActive();

    }

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

// From class CActive

// Handles completion of asynchronous FQDN address resolving. 

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

//

void CFqdnResolver::RunL()

    {

    delete iFqdn;

    iFqdn = NULL;

    iCallback.AddressResolveCompleted( iStatus.Int(), iNameEntry );

    }

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

// From class CActive

// Cancels FQDN address resolving.

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

//

void CFqdnResolver::DoCancel()

    {    

    iConnection.CancelResolveAddress();

    delete iFqdn;

    iFqdn = NULL;    

    }