wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_action_nr.cpp
/*
* Copyright (c) 2006-2009 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 and generating 802.11 action frames for Neighbor Reports.
*
*/
#include "core_frame_action_nr.h"
#include "core_frame_nr_ie.h"
#include "core_tools.h"
#include "am_debug.h"
// ======== MEMBER FUNCTIONS ========
const u16_t CORE_FRAME_ACTION_NR_IE_INDEX = 3;
const u16_t CORE_FRAME_ACTION_NR_MIN_LENGTH = 28;
const u16_t CORE_FRAME_ACTION_NR_LENGTH = 61;
const u16_t CORE_FRAME_ACTION_NR_TOKEN_INDEX = 26;
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
core_frame_action_nr_c* core_frame_action_nr_c::instance(
const core_frame_action_c& frame,
bool_t is_copied )
{
if ( frame.data_length() < CORE_FRAME_ACTION_NR_MIN_LENGTH )
{
DEBUG( "core_frame_action_nr_c::instance() - not a valid 802.11 frame, frame is too short" );
return NULL;
}
u8_t* buffer = const_cast<u8_t*>( frame.data() );
u16_t buffer_length( 0 );
if( is_copied )
{
buffer_length = frame.data_length();
buffer = new u8_t[buffer_length];
if( !buffer )
{
DEBUG( "core_frame_action_nr_c::instance() - not able to allocate buffer for copying" );
return NULL;
}
core_tools_c::copy( buffer, frame.data(), buffer_length );
}
core_frame_action_nr_c* instance = new core_frame_action_nr_c(
buffer_length,
buffer,
buffer_length );
if ( !instance )
{
DEBUG( "core_frame_action_nr_c::instance() - unable to create an instance" );
return NULL;
}
return instance;
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
core_frame_action_nr_c* core_frame_action_nr_c::instance(
u16_t duration,
const core_mac_address_s& destination,
const core_mac_address_s& source,
const core_mac_address_s& bssid,
u16_t sequence_control,
u8_t action_type,
u8_t dialog_token,
const core_frame_nr_ie_c* nr_ie )
{
const u8_t max_data_length = CORE_FRAME_ACTION_NR_LENGTH;
u8_t* buffer = new u8_t[max_data_length];
if ( !buffer )
{
DEBUG( "core_frame_action_nr_c::instance() - unable create the internal buffer" );
return NULL;
}
core_frame_action_nr_c* instance =
new core_frame_action_nr_c( 0, buffer, max_data_length );
if ( !instance )
{
DEBUG( "core_frame_action_nr_c::instance() - unable to create an instance" );
delete[] buffer;
buffer = NULL;
return NULL;
}
instance->generate(
duration,
destination,
source,
bssid,
sequence_control,
action_type,
dialog_token,
nr_ie );
return instance;
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
core_frame_action_nr_c::~core_frame_action_nr_c()
{
DEBUG1( "core_frame_action_nr_c::~core_frame_action_nr_c() @ 0x%08X", this );
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
u8_t core_frame_action_nr_c::dialog_token() const
{
return data_m[CORE_FRAME_ACTION_NR_TOKEN_INDEX];
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
u16_t core_frame_action_nr_c::first_ie_offset() const
{
return CORE_FRAME_ACTION_NR_IE_INDEX;
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
void core_frame_action_nr_c::generate(
u16_t duration,
const core_mac_address_s& destination,
const core_mac_address_s& source,
const core_mac_address_s& bssid,
u16_t sequence_control,
u8_t action_type,
u8_t dialog_token,
const core_frame_nr_ie_c* nr_ie )
{
ASSERT( !data_length_m );
ASSERT( max_data_length_m );
ASSERT( nr_ie );
core_frame_action_c::generate(
duration,
destination,
source,
bssid,
sequence_control,
core_frame_action_c::core_dot11_action_category_rm );
// Action Type
data_m[data_length_m++] = action_type;
// Dialog Token
data_m[data_length_m++] = dialog_token;
// IE
core_tools_c::copy(
&data_m[data_length_m],
nr_ie->data(),
nr_ie->data_length() );
data_length_m += nr_ie->data_length();
}
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
//
core_frame_action_nr_c::core_frame_action_nr_c(
u16_t data_length,
const u8_t* data,
u16_t max_data_length ) :
core_frame_action_c( data_length, data, max_data_length )
{
}