diff -r 000000000000 -r c40eb8fe8501 wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_action.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_action.cpp Tue Feb 02 02:03:13 2010 +0200 @@ -0,0 +1,125 @@ +/* +* 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. +* +*/ + + +#include "core_frame_action.h" +#include "core_tools.h" +#include "am_debug.h" + +// ======== MEMBER FUNCTIONS ======== + +const u16_t CORE_FRAME_ACTION_MIN_LENGTH = 25; +const u16_t CORE_FRAME_ACTION_CATEGORY_INDEX = 24; + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_c* core_frame_action_c::instance( + const core_frame_dot11_c& frame ) + { + DEBUG( "core_frame_action_c::instance()" ); + + if ( frame.data_length() < CORE_FRAME_ACTION_MIN_LENGTH ) + { + DEBUG( "core_frame_action_c::instance() - not a valid 802.11 frame, frame is too short" ); + + return NULL; + } + + core_frame_action_c* instance = new core_frame_action_c( + frame.data_length(), + frame.data(), + 0 ); + if ( !instance ) + { + DEBUG( "core_frame_action_c::instance() - unable to create an instance" ); + + return NULL; + } + + if ( instance->type() != core_frame_dot11_c::core_dot11_type_action ) + { + DEBUG( "core_frame_action_c::instance() - not a valid action frame" ); + delete instance; + + return NULL; + } + + return instance; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_c::~core_frame_action_c() + { + DEBUG( "core_frame_action_c::~core_frame_action_c()" ); + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +u8_t core_frame_action_c::category() const + { + return data_m[CORE_FRAME_ACTION_CATEGORY_INDEX]; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +void core_frame_action_c::set_category( u8_t cat ) + { + data_m[CORE_FRAME_ACTION_CATEGORY_INDEX] = cat; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +void core_frame_action_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 category ) + { + ASSERT( !data_length_m ); + ASSERT( max_data_length_m ); + + core_frame_dot11_c::generate( + core_frame_dot11_c::core_dot11_type_action, + duration, + destination, + source, + bssid, + sequence_control ); + + // Category + data_m[data_length_m++] = category; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_c::core_frame_action_c( + u16_t data_length, + const u8_t* data, + u16_t max_data_length ) : + core_frame_dot11_c( data_length, data, max_data_length ) + { + DEBUG( "core_frame_action_c::core_frame_action_c()" ); + }