/*

* 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 RM Beacon Report IEs

*

*/

#include "core_frame_rm_ie_beacon_report.h"

#include "core_frame_rm_ie_beacon_report_ie.h"

#include "core_frame_dot11_ie.h"

#include "core_tools.h"

#include "core_tools_parser.h"

#include "core_types.h"

#include "am_debug.h"

const u8_t CORE_FRAME_RM_IE_BEACON_REPORT_MIN_LENGTH = 5;

//#define WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

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

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

//

core_frame_rm_ie_beacon_report_c* core_frame_rm_ie_beacon_report_c::instance(

    u8_t measurement_token,

    u8_t measurement_request_mode,

    core_frame_rm_ie_beacon_report_ie_c* ie )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_c::instance()" );

    const u16_t required_buffer_length = ie->length() + CORE_FRAME_RM_IE_BEACON_REPORT_MIN_LENGTH;

    u8_t* buffer = new u8_t[ required_buffer_length ];

    if ( !buffer )

        {

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

        return NULL;

        }

    core_frame_rm_ie_beacon_report_c* instance =

        new core_frame_rm_ie_beacon_report_c( 0, buffer, required_buffer_length );

    if ( !instance )

        {

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

        delete[] buffer;

        return NULL;

        }

    instance->generate(

            measurement_token,

            measurement_request_mode,

            ie );

    return instance;

    }

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

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

//

core_frame_rm_ie_beacon_report_c* core_frame_rm_ie_beacon_report_c::instance(

    u8_t measurement_token,

    u8_t measurement_request_mode,

    core_frame_rm_ie_beacon_report_ie_c* ie,

    core_frame_rm_ie_beacon_report_frame_body_ie_c* frame_body_ie )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_c::instance()" );

    const u16_t required_buffer_length = ie->length() + frame_body_ie->data_length() + CORE_FRAME_RM_IE_BEACON_REPORT_MIN_LENGTH;

    u8_t* buffer = new u8_t[ required_buffer_length ];

    if ( !buffer )

        {

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

        return NULL;

        }

    core_frame_rm_ie_beacon_report_c* instance =

        new core_frame_rm_ie_beacon_report_c( 0, buffer, required_buffer_length );

    if ( !instance )

        {

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

        delete[] buffer;

        return NULL;

        }

    instance->generate(

            measurement_token,

            measurement_request_mode,

            ie,

            frame_body_ie );

    return instance;

    }

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

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

//

void core_frame_rm_ie_beacon_report_c::generate(

    u8_t measurement_token,

    u8_t measurement_request_mode,

    core_frame_rm_ie_beacon_report_ie_c* ie )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_c::generate()" );

#ifdef WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - max frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - real frame length: %u",

        data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data_m is at 0x%08X",

        data_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - current_ie_m is at 0x%08X",

        current_ie_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data end is at 0x%08X",

        data_m + data_length_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - maximum IE length is %u",

        current_ie_max_length_m );

#endif // WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    core_frame_rm_ie_c::generate(

        measurement_token,

        measurement_request_mode,

        core_frame_rm_ie_c::core_frame_rm_ie_action_type_beacon_request );

    ASSERT( max_data_length_m );

    if ( data_length_m + ie->length() <= max_data_length_m )

        {

        DEBUG( "core_frame_rm_ie_beacon_report_c::generate() - enough size for IE, appending IE" ); 

        core_tools_c::copy(

            &data_m[data_length_m],

            ie->data(),

            ie->length() );

        data_length_m += ie->length();

        set_length( data_length_m );

        }

    else

        {

        DEBUG2( "core_frame_rm_ie_beacon_report_c::generate() - unable to append, IE size %u vs. available size %u",

            ie->length(), max_data_length_m - data_length_m );

        }

#ifdef WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - max frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - real frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data_m is at %08X",

        data_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - current_ie_m is at %08X",

        current_ie_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data end is at %08X",

        data_m + data_length_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - maximum IE length is %u",

        current_ie_max_length_m );

#endif // WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

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

    ASSERT( data_length_m <= max_data_length_m );

    }

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

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

//

void core_frame_rm_ie_beacon_report_c::generate(

    u8_t measurement_token,

    u8_t measurement_request_mode,

    core_frame_rm_ie_beacon_report_ie_c* ie,

    core_frame_rm_ie_beacon_report_frame_body_ie_c* frame_body_ie )

    {

    DEBUG( "core_frame_rm_ie_beacon_report_c::generate()" );

#ifdef WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - max frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - real frame length: %u",

        data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data_m is at 0x%08X",

        data_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - current_ie_m is at 0x%08X",

        current_ie_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data end is at 0x%08X",

        data_m + data_length_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - maximum IE length is %u",

        current_ie_max_length_m );

#endif // WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    core_frame_rm_ie_c::generate(

        measurement_token,

        measurement_request_mode,

        core_frame_rm_ie_c::core_frame_rm_ie_action_type_beacon_request );

    ASSERT( max_data_length_m );

    if ( data_length_m + ie->length() <= max_data_length_m )

        {

        DEBUG( "core_frame_rm_ie_beacon_report_c::generate() - enough size for IE, appending IE" ); 

        core_tools_c::copy(

            &data_m[data_length_m],

            ie->data(),

            ie->length() );

        data_length_m += ie->length();

        set_length( data_length_m );

        }

    else

        {

        DEBUG2( "core_frame_rm_ie_beacon_report_c::generate() - unable to append, IE size %u vs. available size %u",

            ie->length(), max_data_length_m - data_length_m );

        }

    if ( data_length_m + frame_body_ie->data_length() <= max_data_length_m )

        {

        DEBUG( "core_frame_rm_ie_beacon_report_c::generate() - enough size for REPORTED FRAME BODY IE, appending IE" ); 

        core_tools_c::copy(

            &data_m[data_length_m],

            frame_body_ie->data(),

            frame_body_ie->data_length() );

        data_length_m += frame_body_ie->data_length();

        set_length( data_length_m );

        }

    else

        {

        DEBUG2( "core_frame_rm_ie_beacon_report_c::generate() - unable to append, REPORTED FRAME BODY IE size %u vs. available size %u",

            frame_body_ie->data_length(), max_data_length_m - data_length_m );

        }

#ifdef WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - max frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - real frame length: %u",

        max_data_length_m );  

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data_m is at %08X",

        data_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - current_ie_m is at %08X",

        current_ie_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - data end is at %08X",

        data_m + data_length_m );

    DEBUG1( "core_frame_rm_ie_beacon_report_c::generate() - maximum IE length is %u",

        current_ie_max_length_m );

#endif // WLAN_CORE_FRAME_RM_IE_BEACON_REPORT_IE_DEBUG

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

    ASSERT( data_length_m <= max_data_length_m );

    }

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

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

//       

core_frame_rm_ie_beacon_report_c::~core_frame_rm_ie_beacon_report_c()

    {

    }

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

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

//

core_frame_rm_ie_beacon_report_c::core_frame_rm_ie_beacon_report_c(

    u16_t data_length,

    const u8_t* data,

    u16_t max_data_length ) :

    core_frame_rm_ie_c( data_length, data, max_data_length ),

    current_ie_m( NULL ),

    current_ie_max_length_m( 0 )

    {

    }