/*

* Copyright (c) 2008-2009 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 activating

*

*/

#include "ikedebug.h"

#include "ikepolparser.h"

#include "internaladdress.h"

#include "vpnconnection.h"

// CLASS HEADER

#include "activationstarter.h"

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

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

// Two-phased constructor.

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

//

CActivationStarter* CActivationStarter::NewL( CVpnConnection& aConnection,

                                              MActivationStarterCallback& aCallback,

                                              MIkeDebug& aDebug )

    {

    CActivationStarter* self = new ( ELeave ) CActivationStarter( aConnection,

                                                                    aCallback,

                                                                    aDebug );

    return self;

    }

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

// Destructor.

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

//

CActivationStarter::~CActivationStarter()

    {

    Cancel();

    }

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

// Constructor.

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

//

CActivationStarter::CActivationStarter( CVpnConnection& aConnection,

                                        MActivationStarterCallback& aCallback,

                                        MIkeDebug& aDebug )

 : CActive( EPriorityStandard ),

   iConnection( aConnection ),

   iCallback( aCallback ),

   iDebug( aDebug )

    {

    CActiveScheduler::Add( this );

    }

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

// Starts asynchronous activating. 

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

//

void CActivationStarter::Activate( CIkeData& aIkeData,

                                   const TDesC& aVpnIfName )

    {

    TUint32 vpnInterfaceIndex( 0 );

    TInt err = GetVpnInterfaceIndex( aVpnIfName,

                                     vpnInterfaceIndex );

    if ( err != KErrNone )

        {

        TRequestStatus* status = &iStatus;

        *status = KRequestPending;

        SetActive();

        User::RequestComplete( status, err );

        return;

        }

    TInetAddr remoteAddr = aIkeData.iAddr;    

    iIpVersion = IkeSocket::EIPv4;

    if ( remoteAddr.Family() == KAfInet6 &&

         !remoteAddr.IsV4Mapped() )

        {

        iIpVersion = IkeSocket::EIPv6;

        }        

    iDnsServerAddr = aIkeData.iDnsServer;

    iConnection.NegotiateWithHost( aIkeData,

                                   vpnInterfaceIndex,

                                   iIpVersion,

                                   iInternalAddress,

                                   iStatus );

    SetActive();

    }

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

// Gets VPN interface index. 

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

//

TInt CActivationStarter::GetVpnInterfaceIndex( const TDesC& aVpnIfName,

                                               TUint32& aVpnInterfaceIndex )

    {

    TInt err( KErrNone );

    RSocketServ ss;        

    err = ss.Connect();

    if ( err == KErrNone )

        {

        RSocket socket;

        err = socket.Open( ss,

                           KAfInet,

                           KSockDatagram,

                           KProtocolInetIp );    

        if ( err == KErrNone )

            {

            TPckgBuf<TSoInetIfQuery> opt;

            opt().iName = aVpnIfName;

            err = socket.GetOpt( KSoInetIfQueryByName,

                                 KSolInetIfQuery,

                                 opt );

            if ( err == KErrNone )

                {

                aVpnInterfaceIndex = opt().iZone[0]; // VPN Interface index

                }

            }

        socket.Close();

        }

    ss.Close();    

    return err;

    }

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

// From class CActive

// Handles completion of asynchronous activating. 

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

//

void CActivationStarter::RunL()

    {

    TInt err( iStatus.Int() );

    if ( err == KErrNone )

        {

        if ( iInternalAddress.iVPNIfAddr.IsUnspecified() )

            {

            TInetAddr localAddr;

            err = iConnection.GetLocalAddress( iIpVersion, localAddr );

            if ( err == KErrNone )

                {

                iInternalAddress.iVPNIfAddr = localAddr;

                }

            }

        }

    if ( err == KErrNone &&

         iInternalAddress.iVPNIfDNS1.IsUnspecified() )

        {    

        if ( iDnsServerAddr.Address() != KAFUnspec )

            {    

#ifdef _DEBUG        

            TBuf<39> addrBuf;

            iDnsServerAddr.OutputWithScope( addrBuf );

            DEBUG_LOG1(_L("DNS Server Address in IKE data %S"), &addrBuf);

#endif //_DEBUG                             

            iInternalAddress.iVPNIfDNS1 = iDnsServerAddr;

            }

        else

            {

            DEBUG_LOG(_L("DNS server not defined in policy"));

            }

        }

    iCallback.ActivationCompleted( err, iInternalAddress );

    }

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

// From class CActive

// Handles cancellation of asynchronous activating. 

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

//

void CActivationStarter::DoCancel()

    {

    iConnection.CancelNegotiateWithHost();

    }