/*

* Copyright (c) 2006-2009 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 for parsing Neighbor Report IEs.

*

*/

#include "core_frame_nr_ie.h"

#include "core_tools.h"

#include "core_tools_parser.h"

#include "am_debug.h"

const u8_t CORE_FRAME_NR_IE_PARAMETER_REQ_MIN_LENGTH = 34;

const u8_t CORE_FRAME_NR_IE_PARAMETER_RESP_MIN_LENGTH = 15;

const u8_t CORE_FRAME_NR_IE_PARAMETER_BSSID_OFFSET = 2;

const u8_t CORE_FRAME_NR_IE_PARAMETER_BSSID_INFO_OFFSET = 8;

const u8_t CORE_FRAME_NR_IE_PARAMETER_REGULATORY_CLASS_OFFSET = 12;

const u8_t CORE_FRAME_NR_IE_PARAMETER_CHANNEL_NUMBER_OFFSET = 13;

const u8_t CORE_FRAME_NR_IE_PARAMETER_PHY_TYPE_OFFSET = 14;

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

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

//

core_frame_nr_ie_c* core_frame_nr_ie_c::instance(

    const core_frame_dot11_ie_c& ie )

    {

    if ( ie.data_length() < CORE_FRAME_NR_IE_PARAMETER_RESP_MIN_LENGTH )

        {

        DEBUG( "core_frame_nr_ie_c::instance() - not a valid IE, invalid length" );

        return NULL;

        }

    core_frame_nr_ie_c* instance = new core_frame_nr_ie_c(

        ie.data_length(),

        ie.data(),

        0 );

    if ( !instance )

        {

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

        return NULL;

        }

    return instance;

    }

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

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

//   

core_frame_nr_ie_c* core_frame_nr_ie_c::instance(

    const core_ssid_s& ssid )

    {

    const u8_t max_length = CORE_FRAME_NR_IE_PARAMETER_REQ_MIN_LENGTH;

    u8_t* buffer = new u8_t[max_length];

    if ( !buffer )

        {

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

        return NULL;

        }

    core_frame_nr_ie_c* instance =

        new core_frame_nr_ie_c( 0, buffer, max_length );

    if ( !instance )

        {

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

        delete [] buffer;

        return NULL;

        }

    instance->generate( ssid );

    return instance;

    }

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

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

//

void core_frame_nr_ie_c::generate(

    const core_ssid_s& ssid )

    {

    ASSERT( !data_length_m );

    ASSERT( max_data_length_m );

    core_frame_dot11_ie_c::generate( core_frame_dot11_ie_c::core_frame_dot11_ie_element_id_ssid );

    // SSID

    core_tools_c::fillz(

        &data_m[data_length_m],

        MAX_SSID_LEN );

    core_tools_c::copy(

        &data_m[data_length_m],

        &ssid.ssid[0],

        ssid.length );

    data_length_m += MAX_SSID_LEN;

    set_length( data_length_m );

    }

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

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

//       

core_frame_nr_ie_c::~core_frame_nr_ie_c()

    {

    DEBUG1( "core_frame_nr_ie_c::~core_frame_nr_ie_c() @ 0x%08X", this );

    DEBUG1( "core_frame_nr_ie_c::~core_frame_nr_ie_c() - data @ 0x%08X", data_m );

    }

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

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

//

core_mac_address_s core_frame_nr_ie_c::bssid() const

    {

    core_mac_address_s mac_addr( ZERO_MAC_ADDR );

    core_tools_c::copy( &mac_addr, &data_m[CORE_FRAME_NR_IE_PARAMETER_BSSID_OFFSET], sizeof( core_mac_address_s ) );

    return mac_addr;

    }

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

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

//

u32_t core_frame_nr_ie_c::bssid_info() const

    {

    return core_tools_c::get_u32(

        data_m,

        CORE_FRAME_NR_IE_PARAMETER_BSSID_INFO_OFFSET );

    }

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

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

//

u8_t core_frame_nr_ie_c::regulatory_class() const

    {

    return data_m[CORE_FRAME_NR_IE_PARAMETER_REGULATORY_CLASS_OFFSET];

    }

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

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

//

u8_t core_frame_nr_ie_c::channel_number() const

    {

    return data_m[CORE_FRAME_NR_IE_PARAMETER_CHANNEL_NUMBER_OFFSET];

    }

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

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

//

u8_t core_frame_nr_ie_c::phy_type() const

    {

    return data_m[CORE_FRAME_NR_IE_PARAMETER_PHY_TYPE_OFFSET];

    }

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

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

//

core_frame_nr_ie_c::core_frame_nr_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 )

    {

    }