wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/inc/core_frame_beacon.h
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) 2005-2006 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:  Parser utility for 802.11 beacon/probe response frames.
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*
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*/
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#ifndef CORE_FRAME_BEACON_H
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#define CORE_FRAME_BEACON_H
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#include "am_platform_libraries.h"
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#include "core_types.h"
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#include "core_frame_dot11.h"
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/**
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 * Class for 802.11 beacon/probe response frames.
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 *
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 * @lib wlmserversrv.lib
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 * @since S60 v3.1
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 */
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NONSHARABLE_CLASS( core_frame_beacon_c ) : public core_frame_dot11_c
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    {
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public:
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    /**
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     * Factory for creating a parser for the given frame.
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     *
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     * @since S60 v3.1
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     * @param frame Frame to be parsed.
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     * @param is_copied Whether the object should take a copy of the frame data.    
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     * @return Pointer to the created parser instance.
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     */
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    static core_frame_beacon_c* instance(
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        const core_frame_dot11_c& frame,
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        bool_t is_copied = false_t );
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    /**
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     * Destructor.
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     */
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    virtual ~core_frame_beacon_c();
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    /**
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     * Return the timestamp field of the frame.
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     * 
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     * @since S60 v3.1
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     * @return The timestamp field of the frame.
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     */
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    core_tsf_value_s timestamp() const;
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    /**
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     * Return the beacon interval field of the frame.
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     * 
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     * @since S60 v3.1
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     * @return The beacon interval field of the frame.
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     */
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    u16_t beacon_interval() const;
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    /**
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     * Return the capability field of the frame.
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     * 
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     * @since S60 v3.1
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     * @return The capability field of the frame.     
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     */    
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    u16_t capability() const;
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private:
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    /**
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     * Return the offset of the first IE.
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     * @return The offset of the first IE. 0 if the frame doesn't support IEs.
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     */
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    u16_t first_ie_offset() const;
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    /**
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     * Constructor.
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     *
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     * @param data_length Length of the frame.
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     * @param data Pointer to the frame data.
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     * @param max_data_length The maximum size of the frame buffer.    
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     */
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    core_frame_beacon_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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    };
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#endif // CORE_FRAME_BEACON_H