1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Class parsing 802.11k Beacon Report Frame Body IEs.

    15 *

    16 */

    17 

    18 

    19 #include "genscaninfo.h"

    20 #include "core_frame_rm_ie_beacon_report_frame_body_ie.h"

    21 #include "core_tools.h"

    22 #include "core_tools_parser.h"

    23 #include "am_debug.h"

    24 

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

    26 

    27 const u8_t CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_MAX_LENGTH = 224;

    28 const u8_t CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_HEADER_LENGTH = 2;

    29 

    30 // ---------------------------------------------------------------------------

    31 // ---------------------------------------------------------------------------

    32 //

    33 core_frame_rm_ie_beacon_report_frame_body_ie_c* core_frame_rm_ie_beacon_report_frame_body_ie_c::instance(

    34     core_ap_data_c& ap_data )

    35     {

    36     DEBUG( "core_frame_rm_ie_beacon_report_frame_body_ie_c::instance()" );

    37 

    38     u8_t reported_frame_body[CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_MAX_LENGTH] = { 0 };

    39     u16_t reported_frame_body_length = ( 0 );

    40     ap_data.get_reported_frame_body( &reported_frame_body_length, reported_frame_body );

    41 

    42     u8_t* buffer = new u8_t[reported_frame_body_length + CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_HEADER_LENGTH];

    43     if ( !buffer )

    44         {

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

    46         return NULL;

    47         }

    48 

    49     core_frame_rm_ie_beacon_report_frame_body_ie_c* instance =

    50         new core_frame_rm_ie_beacon_report_frame_body_ie_c( 0, buffer, reported_frame_body_length + CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_HEADER_LENGTH );

    51     if ( !instance )

    52         {

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

    54         delete[] buffer;

    55         

    56         return NULL;

    57         }

    58 

    59     instance->generate(

    60             ap_data );

    61 

    62     return instance;

    63     }

    64 

    65 // ---------------------------------------------------------------------------

    66 // ---------------------------------------------------------------------------

    67 //

    68 core_frame_rm_ie_beacon_report_frame_body_ie_c* core_frame_rm_ie_beacon_report_frame_body_ie_c::instance(

    69     core_ap_data_c& ap_data,

    70     u8_t* ie_id_list,

    71     u8_t ie_id_list_length )

    72     {

    73     DEBUG( "core_frame_rm_ie_beacon_report_frame_body_ie_c::instance()" );

    74 

    75     u8_t reported_frame_body[CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_MAX_LENGTH] = { 0 };

    76     u16_t reported_frame_body_length = ( 0 );

    77 

    78     ap_data.request_ie( &reported_frame_body_length, reported_frame_body, ie_id_list, ie_id_list_length );

    79 

    80     u8_t* buffer = new u8_t[reported_frame_body_length + CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_HEADER_LENGTH];

    81     if ( !buffer )

    82         {

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

    84         return NULL;

    85         }

    86 

    87     core_frame_rm_ie_beacon_report_frame_body_ie_c* instance =

    88         new core_frame_rm_ie_beacon_report_frame_body_ie_c( 0, buffer, reported_frame_body_length + CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_HEADER_LENGTH );

    89     if ( !instance )

    90         {

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

    92         delete[] buffer;

    93         

    94         return NULL;

    95         }

    96 

    97     instance->generate(

    98             ap_data,

    99             ie_id_list,

   100             ie_id_list_length );

   101 

   102     return instance;

   103     }

   104 

   105 // ---------------------------------------------------------------------------

   106 // ---------------------------------------------------------------------------

   107 //

   108 void core_frame_rm_ie_beacon_report_frame_body_ie_c::generate(

   109     core_ap_data_c& ap_data )

   110     {

   111     DEBUG( "core_frame_rm_ie_beacon_report_frame_body_ie_c::generate()" );

   112 

   113     ASSERT( !data_length_m );

   114     ASSERT( max_data_length_m );

   115 

   116     core_frame_dot11_ie_c::generate( core_frame_dot11_ie_c::core_frame_dot11_ie_element_id_supported_rates );

   117 

   118     // Reported Frame Body

   119     u8_t reported_frame_body[CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_MAX_LENGTH] = { 0 };

   120     u16_t reported_frame_body_length = ( 0 );

   121     ap_data.get_reported_frame_body( &reported_frame_body_length, reported_frame_body );

   122     DEBUG1( "core_frame_rm_ie_beacon_report_frame_body_ie_c::generate() - Reported Frame Body Length: 0x%04X", reported_frame_body_length );

   123     core_tools_c::copy(

   124         &data_m[data_length_m],

   125         reinterpret_cast<const u8_t*>( &reported_frame_body[0] ),

   126         reported_frame_body_length );

   127     data_length_m += reported_frame_body_length;

   128 

   129     set_length( data_length_m );

   130 

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

   132     ASSERT( data_length_m <= max_data_length_m );

   133     }

   134 

   135 // ---------------------------------------------------------------------------

   136 // ---------------------------------------------------------------------------

   137 //

   138 void core_frame_rm_ie_beacon_report_frame_body_ie_c::generate(

   139     core_ap_data_c& ap_data,

   140     u8_t* ie_id_list,

   141     u8_t ie_id_list_length )

   142     {

   143     DEBUG( "core_frame_rm_ie_beacon_report_frame_body_ie_c::generate()" );

   144 

   145     ASSERT( !data_length_m );

   146     ASSERT( max_data_length_m );

   147 

   148     core_frame_dot11_ie_c::generate( core_frame_dot11_ie_c::core_frame_dot11_ie_element_id_supported_rates );

   149 

   150     // Reported Frame Body

   151     u8_t reported_frame_body[CORE_FRAME_RM_IE_BEACON_REPORT_FRAME_BODY_IE_MAX_LENGTH] = { 0 };

   152     u16_t reported_frame_body_length = ( 0 );

   153     ap_data.request_ie( &reported_frame_body_length, reported_frame_body, ie_id_list, ie_id_list_length );

   154     DEBUG1( "core_frame_rm_ie_beacon_report_frame_body_ie_c::generate() - Reported Frame Body Length: 0x%04X", reported_frame_body_length );

   155     core_tools_c::copy(

   156         &data_m[data_length_m],

   157         reinterpret_cast<const u8_t*>( &reported_frame_body[0] ),

   158         reported_frame_body_length );

   159     data_length_m += reported_frame_body_length;

   160 

   161     set_length( data_length_m );

   162 

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

   164     ASSERT( data_length_m <= max_data_length_m );

   165     }

   166 

   167 // ---------------------------------------------------------------------------

   168 // ---------------------------------------------------------------------------

   169 //       

   170 core_frame_rm_ie_beacon_report_frame_body_ie_c::~core_frame_rm_ie_beacon_report_frame_body_ie_c()

   171     {

   172     }

   173 

   174 // ---------------------------------------------------------------------------

   175 // ---------------------------------------------------------------------------

   176 //

   177 core_frame_rm_ie_beacon_report_frame_body_ie_c::core_frame_rm_ie_beacon_report_frame_body_ie_c(

   178     u16_t data_length,

   179     const u8_t* data,

   180     u16_t max_data_length ) :

   181     core_frame_dot11_ie_c( data_length, data, max_data_length ),

   182     current_ie_m( NULL ),

   183     current_ie_max_length_m( 0 )

   184     {

   185     }