diff -r 000000000000 -r c40eb8fe8501 wlan_bearer/wlanengine/wlan_common/wlanengine_common_3.1/src/core_frame_action_rm.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_rm.cpp Tue Feb 02 02:03:13 2010 +0200 @@ -0,0 +1,215 @@ +/* +* 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 in RM category. +* +*/ + + +#include "core_frame_action_rm.h" +#include "core_frame_rm_ie.h" +#include "core_tools.h" +#include "am_debug.h" + +const u16_t CORE_FRAME_ACTION_RM_MIN_LENGTH = 28; +const u16_t CORE_FRAME_ACTION_RM_LENGTH = 400; +const u16_t CORE_FRAME_ACTION_RM_TOKEN_INDEX = 26; +const u16_t CORE_FRAME_ACTION_RM_NBR_OF_REPETITIONS_INDEX = 27; +const u16_t CORE_FRAME_ACTION_RM_IE_INDEX = 5; + +// ======== MEMBER FUNCTIONS ======== + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_rm_c* core_frame_action_rm_c::instance( + const core_frame_action_c& frame, + bool_t is_copied ) + { + DEBUG( "core_frame_action_rm_c::instance()" ); + DEBUG1( "core_frame_action_rm_c::instance() - is_copied %u", + is_copied ); + + if ( frame.data_length() < CORE_FRAME_ACTION_RM_MIN_LENGTH ) + { + DEBUG( "core_frame_action_rm_c::instance() - not a valid 802.11 frame, frame is too short" ); + + return NULL; + } + + u8_t* buffer = const_cast( 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_rm_c::instance() - not able to allocate buffer for copying" ); + + return NULL; + } + + core_tools_c::copy( buffer, frame.data(), buffer_length ); + } + + core_frame_action_rm_c* instance = new core_frame_action_rm_c( + buffer_length, + buffer, + buffer_length ); + + if ( !instance ) + { + DEBUG( "core_frame_action_rm_c::instance() - unable to create an instance" ); + delete[] buffer; + buffer = NULL; + + return NULL; + } + + return instance; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_rm_c* core_frame_action_rm_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_rm_ie_c* rm_ie ) + { + const u16_t max_data_length = CORE_FRAME_ACTION_RM_LENGTH; + + u8_t* buffer = new u8_t[max_data_length]; + if ( !buffer ) + { + DEBUG( "core_frame_action_rm_c::instance() - unable create the internal buffer" ); + return NULL; + } + + core_frame_action_rm_c* instance = + new core_frame_action_rm_c( 0, buffer, max_data_length ); + if ( !instance ) + { + DEBUG( "core_frame_action_rm_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, + rm_ie ); + + return instance; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_rm_c::~core_frame_action_rm_c() + { + DEBUG1( "core_frame_action_rm_c::~core_frame_action_rm_c() @ 0x%08X", this ); + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +u8_t core_frame_action_rm_c::dialog_token() const + { + return data_m[CORE_FRAME_ACTION_RM_TOKEN_INDEX]; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +u16_t core_frame_action_rm_c::first_ie_offset() const + { + return CORE_FRAME_ACTION_RM_IE_INDEX; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +u16_t core_frame_action_rm_c::nbr_of_repetitions() const + { + u16_t repetitions( 0 ); + core_tools_c::copy( &repetitions, &data_m[CORE_FRAME_ACTION_RM_NBR_OF_REPETITIONS_INDEX], sizeof( repetitions ) ); + + return repetitions; + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +void core_frame_action_rm_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_rm_ie_c* rm_ie ) + { + ASSERT( !data_length_m ); + ASSERT( max_data_length_m ); + ASSERT( rm_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], + rm_ie->data(), + rm_ie->data_length() ); + data_length_m += rm_ie->data_length(); + } + +// --------------------------------------------------------------------------- +// --------------------------------------------------------------------------- +// +core_frame_action_rm_c::core_frame_action_rm_c( + u16_t data_length, + const u8_t* data, + u16_t max_data_length ) : + core_frame_action_c( data_length, data, max_data_length ) + { + DEBUG1( "core_frame_action_rm_c::core_frame_action_rm_c() @ 0x%08X", this ); + }