wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_radio_measurement_action.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 02:03:13 +0200
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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Class for parsing and generating 802.11 action frames in RM category.
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*
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*/
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#include "core_frame_radio_measurement_action.h"
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#include "core_frame_rm_ie.h"
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#include "core_tools.h"
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#include "am_debug.h"
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// ======== MEMBER FUNCTIONS ========
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const u16_t CORE_FRAME_RADIO_MEASUREMENT_ACTION_MIN_LENGTH = 28;
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const u16_t CORE_FRAME_RADIO_MEASUREMENT_ACTION_TYPE_INDEX = 25;
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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core_frame_radio_measurement_action_c* core_frame_radio_measurement_action_c::instance(
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    const core_frame_action_c& frame,
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    bool_t is_copied )
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    {
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    DEBUG( "core_frame_radio_measurement_action_c::instance()" );
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    DEBUG1( "core_frame_radio_measurement_action_c::instance() - is_copied %u",
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        is_copied );  
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    if ( frame.data_length() < CORE_FRAME_RADIO_MEASUREMENT_ACTION_MIN_LENGTH )
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        {
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        DEBUG( "core_frame_action_rm_c::instance() - not a valid 802.11 frame, frame is too short" );
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        return NULL;
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        }
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    u8_t* buffer = const_cast<u8_t*>( frame.data() );
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    u16_t buffer_length( 0 );
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    if( is_copied )
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        {
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        buffer_length = frame.data_length();
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        buffer = new u8_t[buffer_length];
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        if( !buffer )
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            {
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            DEBUG( "core_frame_radio_measurement_action_c::instance() - not able to allocate buffer for copying" );
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            return NULL;            
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            }
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        core_tools_c::copy( buffer, frame.data(), buffer_length );
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        }
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    core_frame_radio_measurement_action_c* instance = new core_frame_radio_measurement_action_c(
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        buffer_length,
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        buffer,
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        buffer_length );
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    if ( !instance )
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        {
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        DEBUG( "core_frame_radio_measurement_action_c::instance() - unable to create an instance" );
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        return NULL;
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        }
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    return instance;
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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core_frame_radio_measurement_action_c::~core_frame_radio_measurement_action_c()
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    {
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    DEBUG1( "core_frame_radio_measurement_action_c::~core_frame_radio_measurement_action_c() @ 0x%08X", this );
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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u8_t core_frame_radio_measurement_action_c::action_type() const
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    {
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    return data_m[CORE_FRAME_RADIO_MEASUREMENT_ACTION_TYPE_INDEX];
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    }
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// ---------------------------------------------------------------------------
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// ---------------------------------------------------------------------------
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//
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core_frame_radio_measurement_action_c::core_frame_radio_measurement_action_c(
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    u16_t data_length,
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    const u8_t* data,
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    u16_t max_data_length ) :
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    core_frame_action_c( data_length, data, max_data_length )
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    {
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    }