/*

* Copyright (c) 2005-2009 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:  Class parsing 802.11k Beacon Report IEs.

*

*/

#include "genscaninfo.h"

#include "core_frame_rm_ie_beacon_report_ie.h"

#include "core_frame_rm_ie_beacon_report_frame_body_ie.h"

#include "core_tools.h"

#include "core_tools_parser.h"

#include "am_debug.h"

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

const u8_t CORE_FRAME_RM_IE_BEACON_REPORT_IE_MIN_LENGTH = 26;

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

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

//    

u8_t core_frame_rm_ie_beacon_report_ie_c::length() const

    {

    return CORE_FRAME_RM_IE_BEACON_REPORT_IE_MIN_LENGTH;

    }

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

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

//

core_frame_rm_ie_beacon_report_ie_c* core_frame_rm_ie_beacon_report_ie_c::instance(

        u8_t regulatory_class,

        u16_t measurement_duration,

        u8_t reported_frame_information,

        u8_t antenna_id,

        core_ap_data_c& ap_data )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_ie_c::instance()" );

    core_tsf_value_s dummy_tsf = {0};

    u8_t dummy_rsni = 0xFF;

    u8_t* buffer = new u8_t[CORE_FRAME_RM_IE_BEACON_REPORT_IE_MIN_LENGTH];

    if ( !buffer )

        {

        DEBUG( "core_frame_rm_ie_beacon_report_ie_c::instance() - unable create the internal buffer" );

        return NULL;

        }

    core_frame_rm_ie_beacon_report_ie_c* instance =

        new core_frame_rm_ie_beacon_report_ie_c( 0, buffer, CORE_FRAME_RM_IE_BEACON_REPORT_IE_MIN_LENGTH );

    if ( !instance )

        {

        DEBUG( "core_frame_rm_ie_beacon_report_ie_c::instance() - unable to create an instance" );

        delete[] buffer;

        return NULL;

        }

    instance->generate(

            regulatory_class,

            dummy_tsf,

            measurement_duration,

            reported_frame_information,

            dummy_rsni,

            antenna_id,

            dummy_tsf,

            ap_data );

    return instance;

    }

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

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

//

void core_frame_rm_ie_beacon_report_ie_c::generate(

    u8_t regulatory_class,

    core_tsf_value_s& actual_measurement_start_time,

    u16_t measurement_duration,

    u8_t reported_frame_information,

    u8_t rsni,

    u8_t antenna_id,

    core_tsf_value_s& parent_tsf,

    core_ap_data_c& ap_data )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_ie_c::generate()" );

    // Regulatory Class

    data_m[data_length_m++] = regulatory_class;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Regulatory Class: 0x%02X", data_m[data_length_m - 1] );

    // Channel Number

    data_m[data_length_m++] = ap_data.channel();

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Channel Number: 0x%02X", data_m[data_length_m - 1] );

    // Actual Measurement Start Time

    core_tools_c::copy(

        &data_m[data_length_m],

        reinterpret_cast<const u8_t*>( &actual_measurement_start_time.tsf[0] ),

        TSF_VALUE_LEN );

    data_length_m += TSF_VALUE_LEN;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Actual Measurement Start Time: 0x%016X", data_m[data_length_m - 1] );

    // Measurement Duration

    core_tools_c::copy(

        &data_m[data_length_m],

        reinterpret_cast<const u8_t*>( &measurement_duration ),

        sizeof( measurement_duration ) );

    data_length_m += sizeof( measurement_duration );

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Measurement Duration: 0x%04X", data_m[data_length_m - 1] );

    // Reported Frame Information

    data_m[data_length_m++] = reported_frame_information;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Reported Frame Information: 0x%02X", data_m[data_length_m - 1] );

    // RCPI

    data_m[data_length_m++] = ap_data.rcpi();

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - RCPI: 0x%02X", data_m[data_length_m - 1] );

    // RSNI

    data_m[data_length_m++] = rsni;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - RSNI: 0x%02X", data_m[data_length_m - 1] );

    // BSSID

    const core_mac_address_s bssid = ap_data.bssid();

    DEBUG6( "core_frame_rm_ie_beacon_report_ie_c::generate() - BSSID: %02X:%02X:%02X:%02X:%02X:%02X",

        bssid.addr[0], bssid.addr[1], bssid.addr[2], 

        bssid.addr[3], bssid.addr[4], bssid.addr[5] );    

    core_tools_c::copy(

        &data_m[data_length_m],

        reinterpret_cast<const u8_t*>( &bssid.addr[0] ),

        MAC_ADDR_LEN ); 

    data_length_m += MAC_ADDR_LEN;

    // Antenna ID

    data_m[data_length_m++] = antenna_id;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Antenna ID: 0x%02X", data_m[data_length_m - 1] );

    // Parent TSF

    core_tools_c::copy(

        &data_m[data_length_m],

        reinterpret_cast<const u8_t*>( &parent_tsf.tsf[0] ),

        TSF_VALUE_LEN / 2 );

    data_length_m += TSF_VALUE_LEN / 2;

    DEBUG1( "core_frame_rm_ie_beacon_report_ie_c::generate() - Parent TSF: 0x%08X", data_m[data_length_m - 1] );

    // check generated data length doesn't exceed allocated buffer

    ASSERT( data_length_m <= max_data_length_m );

    }

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

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

//       

core_frame_rm_ie_beacon_report_ie_c::~core_frame_rm_ie_beacon_report_ie_c()

    {

    }

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

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

//

core_frame_rm_ie_beacon_report_ie_c::core_frame_rm_ie_beacon_report_ie_c(

    u16_t data_length,

    const u8_t* data,

    u16_t max_data_length ) :

    core_frame_dot11_ie_c( data_length, data, max_data_length ),

    current_ie_m( NULL ),

    current_ie_max_length_m( 0 )

    {

    }