author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 18 Jan 2010 20:22:35 +0200 | |
changeset 2 | 1c7bc153c08e |
parent 0 | c8830336c852 |
child 18 | bad0cc58d154 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001-2006 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: EAP and WLAN authentication protocols. |
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* |
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*/ |
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/* |
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* %version: 13 % |
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*/ |
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// This is enumeration of EAPOL source code. |
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#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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#undef EAP_FILE_NUMBER_ENUM |
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#define EAP_FILE_NUMBER_ENUM 598 |
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#undef EAP_FILE_NUMBER_DATE |
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#define EAP_FILE_NUMBER_DATE 1127594498 |
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#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES) |
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#include "eap_am_memory.h" |
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#include "simple_config_tlv_header.h" |
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#include "simple_config_types.h" |
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/** @file */ |
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/** |
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* The destructor of the simple_config_tlv_header_c class does nothing. |
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*/ |
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simple_config_tlv_header_c::~simple_config_tlv_header_c() |
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{ |
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} |
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/** |
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* The constructor of the simple_config_tlv_header_c class simply initializes the attributes. |
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*/ |
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simple_config_tlv_header_c::simple_config_tlv_header_c( |
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abs_eap_am_tools_c * const tools) |
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: eap_general_header_base_c(tools, 0, 0ul) |
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, m_am_tools(tools) |
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{ |
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} |
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/** |
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* The constructor of the simple_config_tlv_header_c class simply initializes the attributes. |
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*/ |
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simple_config_tlv_header_c::simple_config_tlv_header_c( |
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abs_eap_am_tools_c * const tools, |
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void * const header_begin, |
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const u32_t header_buffer_length) |
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: eap_general_header_base_c(tools, header_begin, header_buffer_length) |
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, m_am_tools(tools) |
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{ |
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} |
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/** |
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* This function returns the TLV type flag. |
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*/ |
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simple_config_Attribute_Type_e simple_config_tlv_header_c::get_tlv_type() const |
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{ |
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const u8_t * const flag_tlv_type_data = get_header_offset(m_tlv_type_offset, sizeof(u16_t)); |
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if (flag_tlv_type_data != 0) |
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{ |
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return static_cast<simple_config_Attribute_Type_e>( |
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(static_cast<u16_t>(flag_tlv_type_data[0] << 8) |
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| (static_cast<u16_t>(flag_tlv_type_data[1])))); |
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} |
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else |
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{ |
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return simple_config_Attribute_Type_None; |
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} |
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} |
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|
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/** |
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* This function returns the data length of TLV. |
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*/ |
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u32_t simple_config_tlv_header_c::get_length() const |
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{ |
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return get_header_length() + get_data_length(); |
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} |
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/** |
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* This function returns the data length of TLV. |
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*/ |
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u16_t simple_config_tlv_header_c::get_data_length() const |
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{ |
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const u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t)); |
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if (length_data != 0) |
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{ |
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return eap_read_u16_t_network_order(length_data, sizeof(u16_t)); |
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} |
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105 |
else |
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106 |
{ |
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return 0ul; |
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} |
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} |
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110 |
|
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111 |
/** |
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* This function returns the header length of TLV. |
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*/ |
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u32_t simple_config_tlv_header_c::get_header_length() |
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115 |
{ |
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return m_data_offset; |
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} |
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118 |
|
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119 |
/** |
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* This function returns pointer to the offset of data of TLV. |
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* @param offset is the offset of queried data in bytes. |
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* @param contignuous_bytes is the length of queried data in bytes. |
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*/ |
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u8_t * simple_config_tlv_header_c::get_data_offset(const u32_t offset, const u32_t contignuous_bytes) const |
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{ |
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EAP_UNREFERENCED_PARAMETER(m_am_tools); |
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|
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u32_t data_length = get_data_length(); // Here is removed optional SIMPLE_CONFIG message length. |
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|
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if (data_length >= offset+contignuous_bytes) |
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{ |
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u8_t * const data = get_header_offset(m_data_offset, offset+contignuous_bytes); |
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if (data != 0) |
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{ |
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return &data[offset]; |
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} |
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else |
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138 |
{ |
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return 0; |
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} |
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} |
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142 |
else |
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143 |
{ |
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EAP_ASSERT_ALWAYS(data_length >= offset+contignuous_bytes); |
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} |
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return 0; |
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} |
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148 |
|
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149 |
|
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150 |
/** |
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* This function returns pointer to the offset of data of TLV. |
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* @param contignuous_bytes is the length of queried data in bytes. |
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*/ |
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u8_t * simple_config_tlv_header_c::get_data(const u32_t contignuous_bytes) const |
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155 |
{ |
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return get_data_offset(0u, contignuous_bytes); |
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} |
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158 |
|
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159 |
|
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160 |
/** |
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* This function return pointer to the next TLV header in the same buffer. |
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*/ |
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u8_t * simple_config_tlv_header_c::get_next_header() const |
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{ |
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if (get_header_buffer_length() >= 2ul*get_header_length()+get_data_length()) |
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166 |
{ |
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return get_data_offset(get_data_length(), get_header_length()); |
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} |
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else |
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170 |
{ |
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return 0; |
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} |
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} |
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|
174 |
|
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175 |
|
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176 |
/** |
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* This function checks the header is valid. |
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*/ |
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eap_status_e simple_config_tlv_header_c::check_header() const |
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180 |
{ |
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if (get_tlv_type() < simple_config_Attribute_Type_First_Correct_Value |
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|| get_tlv_type() > simple_config_Attribute_Type_Last_Correct_Value) |
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183 |
{ |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted); |
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} |
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return EAP_STATUS_RETURN(m_am_tools, eap_status_ok); |
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} |
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188 |
|
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189 |
/** |
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* This function returns debug strings of the TLV type. |
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191 |
*/ |
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eap_const_string simple_config_tlv_header_c::get_tlv_type_string() const |
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193 |
{ |
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eap_simple_config_trace_string_c debug_string; |
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195 |
|
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return debug_string.get_attribute_type_string(get_tlv_type()); |
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197 |
} |
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198 |
|
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199 |
/** |
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* This function sets the TLV type flag. |
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201 |
*/ |
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void simple_config_tlv_header_c::set_tlv_type(simple_config_Attribute_Type_e type) |
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203 |
{ |
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u8_t * const flag_tlv_type_data = get_header_offset(m_tlv_type_offset, sizeof(u16_t)); |
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205 |
|
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EAP_ASSERT(flag_tlv_type_data != 0); |
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207 |
|
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flag_tlv_type_data[0] = static_cast<u8_t>((type & 0xff00) >> 8); |
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flag_tlv_type_data[1] = static_cast<u8_t>(type & 0x00ff); |
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210 |
} |
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/** |
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* This function sets the TLV data length. |
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*/ |
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void simple_config_tlv_header_c::set_data_length(const u16_t p_length) |
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{ |
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u8_t * const length_data = get_header_offset(m_length_offset, sizeof(u16_t)); |
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EAP_ASSERT(length_data != 0); |
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length_data[0] = static_cast<u8_t>((p_length & 0xff00) >> 8); |
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length_data[1] = static_cast<u8_t>((p_length & 0x00ff)); |
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} |
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/** |
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* This function resets the TLV header. |
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*/ |
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void simple_config_tlv_header_c::reset_header(const u16_t buffer_length) |
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{ |
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set_tlv_type(simple_config_Attribute_Type_None); |
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set_data_length(buffer_length); |
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} |
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// End. |