/*

* Copyright (c) 2005-2006 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:  Statemachine for merging existing IBSS (ad hoc) network to another one

*

*/

/*

* %version: 16 %

*/

#include "core_operation_ibss_merge.h"

#include "core_operation_roam.h"

#include "core_tools_parser.h"

#include "core_ap_data.h"

#include "core_tools.h"

#include "core_server.h"

#include "am_debug.h"

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

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

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

//

core_operation_ibss_merge_c::core_operation_ibss_merge_c(

    u32_t request_id,

    core_server_c* server,

    abs_core_driverif_c* drivers,

    abs_core_server_callback_c* adaptation,

    core_frame_dot11_c* frame ) :

    core_operation_base_c( core_operation_ibss_merge, request_id, server, drivers, adaptation, 

        core_base_flag_drivers_needed | core_base_flag_connection_needed ),

    frame_m( frame ),

    is_connected_m( true_t )

    {

    DEBUG( "core_operation_ibss_merge_c::core_operation_ibss_merge_c()" );

    }

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

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

//

core_operation_ibss_merge_c::~core_operation_ibss_merge_c()

    {

    DEBUG( "core_operation_ibss_merge_c::~core_operation_ibss_merge_c()" );

    frame_m = NULL;

    }

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

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

//

core_error_e core_operation_ibss_merge_c::next_state()

    {

    DEBUG( "core_operation_ibss_merge_c::next_state()" );

    switch ( operation_state_m )

        {

        case core_state_init:

            {

            core_ap_data_c* ap_data = core_ap_data_c::instance(

                server_m->get_wpx_adaptation_instance(),

                frame_m,

                0,

                false_t );

            if ( !ap_data )

                {

                DEBUG( "core_operation_ibss_merge_c::next_state() - unable to instantiate core_ap_data_c" );

                return cancel();

                }

            server_m->get_scan_list().set_tag(

                core_scan_list_tag_ibss_merge );

            server_m->get_scan_list().update_entry( *ap_data );

            if ( core_tools_parser_c::is_ap_compatible_with_iap(

                server_m->get_wpx_adaptation_instance(),

                *ap_data,

                server_m->get_connection_data()->iap_data(),

                server_m->get_core_settings() ) != core_connect_ok )

                {

                delete ap_data;

                ap_data = NULL;

                DEBUG( "core_operation_ibss_merge_c::next_state() - IBSS merge not possible, network settings do not match the IAP" );

                return cancel();

                }

            if ( !server_m->get_core_settings().is_valid_channel(

                ap_data->band(),

                ap_data->channel() ) )

                {

                delete ap_data;

                ap_data = NULL;

                DEBUG( "core_operation_ibss_merge_c::next_state() - IBSS merge not possible, invalid channel" );

                return cancel();

                }

            delete ap_data;

            ap_data = NULL;

            operation_state_m = core_state_merge_done;

            DEBUG( "core_operation_ibss_merge_c::next_state() - trying an IBSS merge" );

            core_operation_base_c* operation = new core_operation_roam_c(

                request_id_m,

                server_m,

                drivers_m,

                adaptation_m,

                is_connected_m,

                core_scan_list_tag_ibss_merge,

                RCPI_VALUE_NONE,

                MEDIUM_TIME_NOT_DEFINED,                

                server_m->get_connection_data()->ssid(),

                BROADCAST_MAC_ADDR );

            return run_sub_operation( operation );

            }

        case core_state_merge_done:

            {

            DEBUG( "core_operation_ibss_merge_c::next_state() - IBSS merge done successfully" );

            return core_error_ok;

            }

        default:

            {

            ASSERT( false_t );

            }

        }

    return core_error_request_pending;

    }