1 /*

     2 * Copyright (c) 2006-2009 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 for parsing and generating 802.11 action frames in RM category.

    15 *

    16 */

    17 

    18 

    19 #include "core_frame_radio_measurement_action.h"

    20 #include "core_frame_rm_ie.h"

    21 #include "core_tools.h"

    22 #include "am_debug.h"

    23 

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

    25 

    26 const u16_t CORE_FRAME_RADIO_MEASUREMENT_ACTION_MIN_LENGTH = 28;

    27 const u16_t CORE_FRAME_RADIO_MEASUREMENT_ACTION_TYPE_INDEX = 25;

    28 

    29 // ---------------------------------------------------------------------------

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

    31 //

    32 core_frame_radio_measurement_action_c* core_frame_radio_measurement_action_c::instance(

    33     const core_frame_action_c& frame,

    34     bool_t is_copied )

    35     {

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

    37     DEBUG1( "core_frame_radio_measurement_action_c::instance() - is_copied %u",

    38         is_copied );  

    39 

    40     if ( frame.data_length() < CORE_FRAME_RADIO_MEASUREMENT_ACTION_MIN_LENGTH )

    41         {

    42         DEBUG( "core_frame_action_rm_c::instance() - not a valid 802.11 frame, frame is too short" );

    43         

    44         return NULL;

    45         }

    46 

    47     u8_t* buffer = const_cast<u8_t*>( frame.data() );

    48     u16_t buffer_length( 0 );

    49 

    50     if( is_copied )

    51         {

    52         buffer_length = frame.data_length();

    53         buffer = new u8_t[buffer_length];

    54         

    55         if( !buffer )

    56             {

    57             DEBUG( "core_frame_radio_measurement_action_c::instance() - not able to allocate buffer for copying" );

    58         

    59             return NULL;            

    60             }

    61 

    62         core_tools_c::copy( buffer, frame.data(), buffer_length );

    63         }

    64 

    65     core_frame_radio_measurement_action_c* instance = new core_frame_radio_measurement_action_c(

    66         buffer_length,

    67         buffer,

    68         buffer_length );

    69 

    70     if ( !instance )

    71         {

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

    73         

    74         return NULL;

    75         }

    76 

    77     return instance;

    78     }

    79 

    80 // ---------------------------------------------------------------------------

    81 // ---------------------------------------------------------------------------

    82 //

    83 core_frame_radio_measurement_action_c::~core_frame_radio_measurement_action_c()

    84     {

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

    86     }

    87 

    88 // ---------------------------------------------------------------------------

    89 // ---------------------------------------------------------------------------

    90 //

    91 u8_t core_frame_radio_measurement_action_c::action_type() const

    92     {

    93     return data_m[CORE_FRAME_RADIO_MEASUREMENT_ACTION_TYPE_INDEX];

    94     }

    95 

    96 // ---------------------------------------------------------------------------

    97 // ---------------------------------------------------------------------------

    98 //

    99 core_frame_radio_measurement_action_c::core_frame_radio_measurement_action_c(

   100     u16_t data_length,

   101     const u8_t* data,

   102     u16_t max_data_length ) :

   103     core_frame_action_c( data_length, data, max_data_length )

   104     {

   105     }