/*

* Copyright (c) 2006-2007 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 802.11 TIM element IEs.

*

*/

#include "core_frame_tim_ie.h"

#include "am_debug.h"

const u8_t CORE_FRAME_TIM_IE_MIN_LENGTH = 6;

const u8_t CORE_FRAME_TIM_IE_DTIM_COUNT_OFFSET = 2;

const u8_t CORE_FRAME_TIM_IE_DTIM_PERIOD_OFFSET = 3;

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

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

//

core_frame_tim_ie_c* core_frame_tim_ie_c::instance(

    const core_frame_dot11_ie_c& ie )

    {

    if ( ie.data_length() < CORE_FRAME_TIM_IE_MIN_LENGTH )

        {

        DEBUG( "core_frame_tim_ie_c::instance() - not a valid IE, too short" );

        return NULL;

        }

    core_frame_tim_ie_c* instance = new core_frame_tim_ie_c(

        ie.data_length(),

        ie.data(),

        0 );

    if ( !instance )

        {

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

        return NULL;

        }

    return instance;

    }

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

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

//       

core_frame_tim_ie_c::~core_frame_tim_ie_c()

    {

    }

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

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

//

u8_t core_frame_tim_ie_c::dtim_count() const

    {

    return data_m[CORE_FRAME_TIM_IE_DTIM_COUNT_OFFSET];

    }

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

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

//

u8_t core_frame_tim_ie_c::dtim_period() const

    {

    return data_m[CORE_FRAME_TIM_IE_DTIM_PERIOD_OFFSET];

    }

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

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

//

core_frame_tim_ie_c::core_frame_tim_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 )

    {

    }