/*

* Copyright (c) 2001-2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  EAP and WLAN authentication protocols.

*

*/

/*

* %version: 21 %

*/

#include "EapCoreInterface.h"

#include "eap_am_tools.h"

#include "EapolUID.h"

#include "EapPluginTools.h"

CEapCoreInterface::CEapCoreInterface(const u32_t MTU):

  iClient(NULL)

  ,iIsValid(FALSE)

  ,iTools(0)

  ,iEapCoreInterface(0)

  ,iServer(0)

  ,iMTU(MTU)

     {

     }

CEapCoreInterface::~CEapCoreInterface()

    {

    delete iEapCoreInterface;

    }

EAP_FUNC_EXPORT CEapProcessInterface* CEapCoreInterface::ConstrucL(abs_eap_am_tools_c * const tools)

    {

    iTools = tools;

    //TInt implementationUid( EAP_CORE_INTERFACEIMPLEMENTATION_IMPLEMENTATION_UID );

	const TUid KimplementationInterfaceUid = { EAP_CORE_INTERFACEIMPLEMENTATION_INTERFACE_UID };

    RImplInfoPtrArray aImplInfoArray;

	CleanupStack::PushL( TCleanupItem( EapPluginTools::CleanupImplArray, &aImplInfoArray ) );

    REComSession::ListImplementationsL(KimplementationInterfaceUid,

            aImplInfoArray);

	   	EAP_TRACE_DEBUG(

	      tools, 

	      TRACE_FLAGS_DEFAULT, 

	      (EAPL("CEapCoreInterface::ConstrucL Implementation %d\n"),aImplInfoArray[0]->ImplementationUid().iUid));

    iServer = CEapProcessInterface::NewL(

            aImplInfoArray[0]->ImplementationUid().iUid,

            this);

    EAP_TRACE_DEBUG(

      tools, 

      TRACE_FLAGS_DEFAULT, 

      (EAPL("CEapCoreInterface::ConstrucL CEapProcessInterface::NewL done\n")));

    iIsValid = TRUE;

	CleanupStack::PopAndDestroy(&aImplInfoArray);

    return iServer;

    }

EAP_FUNC_EXPORT eap_am_message_if_c * new_eap_am_client_message_if_c(

        abs_eap_am_tools_c * const tools,

        const bool /* is_client_when_true */,

        const u32_t MTU)

    {   

     CEapCoreInterface * aEapCoreInterface = 0;

     CEapProcessInterface* aServer =0;

	   	EAP_TRACE_DEBUG(

	      tools, 

	      TRACE_FLAGS_DEFAULT, 

	      (EAPL("new_eap_am_client_message_if_c()\n")));

     aEapCoreInterface = new CEapCoreInterface(MTU);

     if (aEapCoreInterface != 0)

         {

		 TRAPD( err, aServer = aEapCoreInterface->ConstrucL(tools));

         if (err)

             {    

             	EAP_TRACE_DEBUG(

				        tools, 

				        TRACE_FLAGS_DEFAULT, 

				        (EAPL("new_eap_am_client_message_if_c() NO SERVER IF, err = %d\n"),err));

               return 0;

             }

         else if(aServer == NULL)

            {

             	EAP_TRACE_DEBUG(

				        tools, 

				        TRACE_FLAGS_DEFAULT, 

				        (EAPL("new_eap_am_client_message_if_c() SERVER IF == 0\n")));

          	}   

         else

  	       {

	    	   aServer->SetEnv(tools, MTU);

  	       }

         }

       else

       		{

          EAP_TRACE_DEBUG(

				        tools, 

				        TRACE_FLAGS_DEFAULT, 

				        (EAPL("new_eap_am_client_message_if_c() new(ELeave) CEapCoreInterface(MTU) failed\n")));

       	 	return 0;

					}

     return aEapCoreInterface;

    }

EAP_FUNC_EXPORT bool CEapCoreInterface::get_is_valid()

    {

    EAP_TRACE_DEBUG(

             iTools, 

             TRACE_FLAGS_DEFAULT, 

             (EAPL("CEapCoreInterface::get_is_valid() = %d\n"),iIsValid ));

      return iIsValid;

    }

EAP_FUNC_EXPORT eap_status_e CEapCoreInterface::process_data(const void * const data, const u32_t length)

    {

    EAP_TRACE_DEBUG(

            iTools, 

            TRACE_FLAGS_DEFAULT, 

            (EAPL("CEapCoreInterface::process_data()\n")));

    TInt err = iServer->ProcessData(data, length);

    return EAP_STATUS_RETURN(iTools, iTools->convert_am_error_to_eapol_error(err));

    }

EAP_FUNC_EXPORT eap_status_e CEapCoreInterface::configure(

	const eap_variable_data_c * const client_configuration)

    {

    EAP_TRACE_DEBUG(

            iTools, 

            TRACE_FLAGS_DEFAULT, 

            (EAPL("CEapCoreInterface::configure()\n")));

    TInt err = iServer->Configure(0,0,0, client_configuration->get_data(), client_configuration->get_data_length());

    return EAP_STATUS_RETURN(iTools, iTools->convert_am_error_to_eapol_error(err));

    }

// This is documented in abs_eap_stack_interface_c::shutdown().

EAP_FUNC_EXPORT eap_status_e CEapCoreInterface::shutdown()

    {

    EAP_TRACE_DEBUG(

            iTools, 

            TRACE_FLAGS_DEFAULT, 

            (EAPL("CEapCoreInterface::shutdown()\n")));

    TInt err = iServer->Shutdown();

    return EAP_STATUS_RETURN(iTools, iTools->convert_am_error_to_eapol_error(err));

    }

EAP_FUNC_EXPORT void CEapCoreInterface::set_partner(abs_eap_am_message_if_c * const client)

    {

    EAP_TRACE_DEBUG(

            iTools, 

            TRACE_FLAGS_DEFAULT, 

            (EAPL("CEapCoreInterface::set_partner()\n")));

    iClient = client;

    }

EAP_FUNC_EXPORT TInt CEapCoreInterface::SendData(

    const void * const aData, 

    const TInt aLength )

    {

    EAP_TRACE_DEBUG(

            iTools, 

            TRACE_FLAGS_DEFAULT, 

            (EAPL("CEapCoreInterface::SendData()\n")));

    if (iClient != NULL)

        {

        return iClient->send_data( aData, aLength);

        }

    else

        {

        return KErrNone;

        }

    }