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1 /* |
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2 * Copyright (c) 2005-2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: State machine for IAP availability. |
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15 * |
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16 */ |
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17 |
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18 /* |
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19 * %version: 40.1.2 % |
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20 */ |
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21 |
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22 #include "core_operation_get_available_iaps.h" |
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23 #include "core_server.h" |
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24 #include "core_tools.h" |
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25 #include "core_tools_parser.h" |
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26 #include "core_frame_dot11.h" |
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27 #include "core_frame_dot11_ie.h" |
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28 #include "am_debug.h" |
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29 |
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30 /** Defining this enables IAP related traces. */ |
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31 //#define WLAN_CORE_DEEP_DEBUG 1 |
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32 |
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33 /** The channel time used in the long passive scan. */ |
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34 const u32_t LONG_PASSIVE_SCAN_CHANNEL_TIME = 210; |
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35 |
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36 /** |
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37 * If the phone has at least this many IAPs marked as hidden, |
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38 * limiting algorithm will be used for detecting available IAPs. |
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39 */ |
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40 const u8_t MIN_HIDDEN_IAPS_FOR_LIMITING_ALGORITHM = 15; |
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41 |
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42 // ======== MEMBER FUNCTIONS ======== |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 core_operation_get_available_iaps_c::core_operation_get_available_iaps_c( |
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48 u32_t request_id, |
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49 core_server_c* server, |
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50 abs_core_driverif_c* drivers, |
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51 abs_core_server_callback_c* adaptation, |
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52 bool_t is_active_scan_allowed, |
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53 core_type_list_c<core_iap_data_s>& iap_data_list, |
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54 core_type_list_c<u32_t>& iap_id_list, |
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55 core_type_list_c<core_ssid_entry_s>* iap_ssid_list, |
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56 ScanList& scan_data ) : |
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57 core_operation_base_c( core_operation_get_available_iaps, request_id, server, drivers, adaptation, |
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58 core_base_flag_drivers_needed ), |
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59 is_active_scan_allowed_m( is_active_scan_allowed ), |
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60 is_limiting_algorithm_used_m( false_t ), |
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61 iap_data_list_m( iap_data_list ), |
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62 iap_id_list_m( iap_id_list ), |
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63 iap_ssid_list_m( iap_ssid_list ), |
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64 client_scan_data_m( scan_data ), |
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65 active_channels_m( ), |
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66 broadcast_channels_m( ), |
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67 long_broadcast_count_m( 0 ), |
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68 non_found_iaps_list_m( ), |
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69 is_split_scan_m( false_t ), |
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70 bss_count_m( 0 ), |
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71 direct_scanned_ssid_m( ), |
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72 region_from_ap_m( core_wlan_region_fcc ) |
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73 { |
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74 DEBUG( "core_operation_get_available_iaps_c::core_operation_get_available_iaps_c()" ); |
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75 } |
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76 |
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77 // --------------------------------------------------------------------------- |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 core_operation_get_available_iaps_c::~core_operation_get_available_iaps_c() |
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81 { |
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82 DEBUG( "core_operation_get_available_iaps_c::~core_operation_get_available_iaps_c()" ); |
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83 |
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84 server_m->unregister_event_handler( this ); |
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85 server_m->unregister_frame_handler( this ); |
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86 non_found_iaps_list_m.clear(); |
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87 iap_ssid_list_m = NULL; |
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88 } |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 core_error_e core_operation_get_available_iaps_c::next_state() |
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94 { |
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95 DEBUG( "core_operation_get_available_iaps_c::next_state()" ); |
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96 |
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97 switch ( operation_state_m ) |
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98 { |
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99 case core_state_init: |
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100 { |
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101 operation_state_m = core_state_long_broadcast_scan_start; |
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102 |
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103 #ifdef WLAN_CORE_DEEP_DEBUG |
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104 DEBUG( "core_operation_get_available_iaps_c::next_state() - IAP data list:" ); |
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105 |
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106 core_iap_data_s* iter_data = iap_data_list_m.first(); |
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107 while( iter_data ) |
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108 { |
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109 DEBUG1( "core_operation_get_available_iaps_c::next_state() - ID: %u", |
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110 iter_data->id ); |
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111 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - SSID: ", |
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112 iter_data->ssid.length, iter_data->ssid.ssid ); |
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113 |
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114 iter_data = iap_data_list_m.next(); |
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115 } |
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116 |
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117 if ( iap_ssid_list_m ) |
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118 { |
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119 DEBUG( "core_operation_get_available_iaps_c::next_state()" ); |
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120 DEBUG( "core_operation_get_available_iaps_c::next_state() - Secondary SSID list:" ); |
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121 |
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122 core_ssid_entry_s* iter_entry = iap_ssid_list_m->first(); |
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123 while( iter_entry ) |
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124 { |
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125 DEBUG1( "core_operation_get_available_iaps_c::next_state() - ID: %u", |
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126 iter_entry->id ); |
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127 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - SSID: ", |
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128 iter_entry->ssid.length, iter_entry->ssid.ssid ); |
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129 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - Used SSID: ", |
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130 iter_entry->used_ssid.length, iter_entry->used_ssid.ssid ); |
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131 |
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132 iter_entry = iap_ssid_list_m->next(); |
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133 } |
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134 DEBUG( "core_operation_get_available_iaps_c::next_state()" ); |
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135 } |
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136 #endif // WLAN_CORE_DEEP_DEBUG |
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137 |
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138 server_m->get_scan_list().remove_entries_by_age( |
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139 server_m->get_device_settings().scan_list_expiration_time ); |
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140 |
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141 server_m->get_scan_list().set_tag( |
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142 core_scan_list_tag_scan ); |
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143 |
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144 if ( server_m->get_core_settings().is_connected() ) |
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145 { |
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146 is_split_scan_m = true_t; |
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147 DEBUG( "core_operation_get_available_iaps_c::next_state() - using a split-scan" ); |
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148 } |
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149 else |
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150 { |
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151 DEBUG( "core_operation_get_available_iaps_c::next_state() - using a regular scan" ); |
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152 } |
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153 |
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154 /** |
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155 * Limiting algorithm is only used when there's a certain amount of IAPs |
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156 * marked as hidden. |
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157 */ |
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158 if ( hidden_iap_count( iap_data_list_m ) >= MIN_HIDDEN_IAPS_FOR_LIMITING_ALGORITHM ) |
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159 { |
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160 DEBUG1( "core_operation_get_available_iaps_c::next_state() - %u hidden IAPs defined, using limiting algorithm", |
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161 hidden_iap_count( iap_data_list_m ) ); |
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162 |
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163 is_limiting_algorithm_used_m = true_t; |
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164 } |
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165 |
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166 /** |
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167 * Construct a channel mask of channels that have previously contained |
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168 * APs with long beacon intervals. |
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169 */ |
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170 core_long_beacon_interval_channels_s& long_beacon_interval_channels( |
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171 server_m->get_core_settings().long_beacon_interval_channels() ); |
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172 |
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173 for ( u8_t idx( 0 ); idx < SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO; ++idx ) |
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174 { |
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175 if ( long_beacon_interval_channels.channel_scan_count[idx] ) |
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176 { |
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177 long_beacon_interval_channels.channel_scan_count[idx]--; |
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178 const u8_t channel( idx + 1); |
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179 |
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180 if ( server_m->get_core_settings().mcc_known() ) |
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181 { |
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182 if ( server_m->get_core_settings().is_valid_channel( |
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183 SCAN_BAND_2DOT4GHZ, |
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184 channel ) ) |
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185 { |
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186 long_broadcast_count_m++; |
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187 |
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188 broadcast_channels_m.add( |
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189 SCAN_BAND_2DOT4GHZ, |
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190 channel ); |
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191 } |
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192 } |
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193 else |
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194 { |
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195 long_broadcast_count_m++; |
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196 broadcast_channels_m.add( |
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197 SCAN_BAND_2DOT4GHZ, |
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198 channel ); |
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199 } |
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200 } |
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201 } |
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202 |
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203 /** |
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204 * If we can active scan or the channel mask is empty, we can jump |
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205 * directly to the main broadcast scan. |
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206 */ |
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207 if ( is_active_scan_allowed_m || |
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208 !long_broadcast_count_m ) |
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209 { |
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210 long_broadcast_count_m = 0; |
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211 |
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212 return goto_state( core_state_long_broadcast_scan_done ); |
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213 } |
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214 |
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215 const core_scan_channels_s channels( |
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216 broadcast_channels_m.channels() ); |
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217 |
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218 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting long passive broadcast scan on channels 0x%02X%02X", |
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219 channels.channels2dot4ghz[1], |
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220 channels.channels2dot4ghz[0] ); |
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221 |
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222 server_m->register_event_handler( this ); |
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223 server_m->register_frame_handler( this ); |
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224 |
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225 drivers_m->scan( |
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226 request_id_m, |
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227 core_scan_mode_passive, |
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228 BROADCAST_SSID, |
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229 server_m->get_device_settings().scan_rate, |
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230 channels, |
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231 LONG_PASSIVE_SCAN_CHANNEL_TIME, |
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232 LONG_PASSIVE_SCAN_CHANNEL_TIME, |
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233 is_split_scan_m ); |
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234 |
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235 break; |
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236 } |
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237 case core_state_long_broadcast_scan_start: |
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238 { |
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239 DEBUG( "core_operation_get_available_iaps_c::next_state() - long broadcast scan request completed, waiting for scan completion" ); |
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240 |
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241 break; |
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242 } |
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243 case core_state_long_broadcast_scan_done: |
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244 { |
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245 operation_state_m = core_state_broadcast_scan_start; |
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246 |
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247 if ( !long_broadcast_count_m ) |
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248 { |
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249 broadcast_channels_m.set( |
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250 server_m->get_core_settings().all_valid_scan_channels() ); |
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251 } |
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252 else |
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253 { |
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254 broadcast_channels_m.invert_channels(); |
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255 } |
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256 |
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257 const core_scan_channels_s channels( |
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258 server_m->get_core_settings().valid_scan_channels( broadcast_channels_m.channels() ) ); |
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259 |
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260 |
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261 if ( !is_active_scan_allowed_m || |
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262 is_limiting_algorithm_used_m ) |
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263 { |
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264 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting passive broadcast scan on channels 0x%02X%02X", |
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265 channels.channels2dot4ghz[1], |
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266 channels.channels2dot4ghz[0] ); |
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267 |
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268 server_m->register_event_handler( this ); |
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269 server_m->register_frame_handler( this ); |
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270 |
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271 drivers_m->scan( |
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272 request_id_m, |
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273 core_scan_mode_passive, |
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274 BROADCAST_SSID, |
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275 server_m->get_device_settings().scan_rate, |
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276 channels, |
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277 server_m->get_device_settings().passive_scan_min_ch_time, |
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278 server_m->get_device_settings().passive_scan_max_ch_time, |
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279 is_split_scan_m ); |
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280 } |
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281 else |
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282 { |
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283 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting active broadcast scan on channels 0x%02X%02X", |
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284 channels.channels2dot4ghz[1], |
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285 channels.channels2dot4ghz[0] ); |
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286 |
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287 server_m->register_event_handler( this ); |
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288 server_m->register_frame_handler( this ); |
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289 |
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290 drivers_m->scan( |
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291 request_id_m, |
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292 core_scan_mode_active, |
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293 BROADCAST_SSID, |
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294 server_m->get_device_settings().scan_rate, |
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295 channels, |
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296 server_m->get_device_settings().active_scan_min_ch_time, |
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297 server_m->get_device_settings().active_scan_max_ch_time, |
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298 is_split_scan_m ); |
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299 } |
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300 |
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301 break; |
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302 } |
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303 case core_state_broadcast_scan_start: |
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304 { |
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305 DEBUG( "core_operation_get_available_iaps_c::next_state() - broadcast scan request completed, waiting for scan completion" ); |
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306 |
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307 break; |
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308 } |
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309 case core_state_broadcast_scan_done: |
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310 { |
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311 if ( server_m->get_core_settings().mcc_known() ) |
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312 { |
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313 /* When WLAN region is known, the allowed scan channels are known and |
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314 * handled already */ |
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315 return goto_state( core_state_broadcast_scan_done_handle_result ); |
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316 } |
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317 |
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318 operation_state_m = core_state_broadcast_scan_start_unknown_region; |
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319 |
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320 broadcast_channels_m.set( |
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321 server_m->get_core_settings().all_valid_scan_channels() ); |
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322 |
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323 const core_scan_channels_s channels( |
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324 server_m->get_core_settings().invalid_scan_channels( broadcast_channels_m.channels() ) ); |
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325 |
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326 server_m->register_event_handler( this ); |
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327 server_m->register_frame_handler( this ); |
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328 |
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329 drivers_m->scan( |
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330 request_id_m, |
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331 core_scan_mode_passive, |
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332 BROADCAST_SSID, |
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333 server_m->get_device_settings().scan_rate, |
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334 channels, |
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335 server_m->get_device_settings().passive_scan_min_ch_time, |
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336 server_m->get_device_settings().passive_scan_max_ch_time, |
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337 is_split_scan_m ); |
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338 |
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339 break; |
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340 } |
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341 case core_state_broadcast_scan_start_unknown_region: |
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342 { |
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343 DEBUG( "core_operation_get_available_iaps_c::next_state() - broadcast scan request for channels 12 and 13 completed, waiting for scan completion" ); |
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344 |
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345 break; |
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346 } |
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347 case core_state_broadcast_scan_complete_unknown_region: |
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348 { |
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349 operation_state_m = core_state_store_country_info; |
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350 |
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351 /* If WLAN region was not known before the scan, then check if country information is present |
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352 * in the scan results. APs on channels 12 and 13 must be ignored if country information indicates this. |
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353 */ |
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354 core_scan_list_iterator_by_tag_c iter_country_beacon( |
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355 server_m->get_scan_list(), |
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356 core_scan_list_tag_scan ); |
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357 |
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358 core_wlan_region_e found_region = core_wlan_region_undefined; |
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359 bool_t inconsistent_info( false_t ); |
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360 for ( core_ap_data_c* ap_data = iter_country_beacon.first(); ap_data; ap_data = iter_country_beacon.next() ) |
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361 { |
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362 core_country_string_s country_info = ap_data->country_info(); |
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363 core_wlan_region_e ap_region = core_wlan_region_undefined; |
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364 if ( country_info.country[0] != 0 ) |
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365 { |
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366 ap_region = core_tools_c::convert_country_to_region( country_info ); |
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367 if ( found_region != core_wlan_region_undefined ) |
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368 { |
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369 if ( ap_region != found_region ) |
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370 { |
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371 inconsistent_info = true_t; |
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372 } |
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373 } |
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374 else |
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375 { |
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376 found_region = ap_region; |
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377 } |
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378 } |
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379 } |
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380 if ( found_region != core_wlan_region_undefined ) |
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381 { |
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382 if ( !inconsistent_info ) |
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383 { |
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384 region_from_ap_m = found_region; |
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385 } |
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386 else |
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387 { |
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388 region_from_ap_m = core_wlan_region_etsi; |
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389 } |
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390 adaptation_m->store_ap_country_info( request_id_m, region_from_ap_m, inconsistent_info ); |
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391 } |
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392 else |
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393 { |
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394 return goto_state( core_state_broadcast_scan_done_handle_result ); |
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395 } |
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396 break; |
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397 } |
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398 case core_state_store_country_info: |
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399 { |
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400 operation_state_m = core_state_broadcast_scan_done_handle_result; |
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401 |
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402 /* Set the new region information also to core settings */ |
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403 DEBUG1( "core_operation_get_available_iaps_c::next_state() - current region %u", |
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404 region_from_ap_m ); |
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405 server_m->get_core_settings().set_regional_domain( |
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406 region_from_ap_m ); |
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407 server_m->get_core_settings().set_mcc_known( true_t ); |
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408 |
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409 return goto_state( core_state_broadcast_scan_done_handle_result ); |
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410 } |
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411 |
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412 case core_state_broadcast_scan_done_handle_result: |
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413 { |
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414 operation_state_m = core_state_direct_scan_start; |
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415 /* If region information is not known, channels 12 and 13 are now been scanned in passive mode in any case */ |
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416 |
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417 /* If region is FCC, then ignore and remove the APs from channels 12 and 13 */ |
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418 if ( server_m->get_core_settings().regional_domain() == core_wlan_region_fcc ) |
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419 { |
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420 DEBUG( "core_operation_get_available_iaps_c::next_state() - remove APs that were found on channels 12 and 13" ); |
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421 remove_disallowed_aps(); |
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422 } |
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423 |
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424 /* If WLAN regional domain is not ETSI, we have to remove the high channels from |
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425 * from the active channels mask to prevent direct scans on those channels. |
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426 */ |
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427 if ( server_m->get_core_settings().regional_domain() != core_wlan_region_etsi ) |
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428 { |
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429 for ( u8_t idx( SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_FCC ); idx < SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO; ++idx ) |
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430 { |
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431 const u8_t channel( idx + 1); |
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432 if ( !server_m->get_core_settings().is_valid_channel( |
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433 SCAN_BAND_2DOT4GHZ, |
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434 channel ) ) |
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435 { |
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436 active_channels_m.remove( |
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437 SCAN_BAND_2DOT4GHZ, |
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438 channel ); |
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439 } |
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440 } |
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441 } |
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442 |
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443 DEBUG1( "core_operation_get_available_iaps_c::next_state() - broadcast scan done, %u beacon(s)/probe(s) received", |
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444 bss_count_m ); |
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445 |
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446 /** |
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447 * Add the results from the broadcast scan to the scan list so that |
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448 * they can be cached in adaptation. |
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449 */ |
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450 core_scan_list_iterator_by_tag_c iter( |
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451 server_m->get_scan_list(), |
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452 core_scan_list_tag_scan ); |
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453 for ( core_ap_data_c* ap_data = iter.first(); ap_data; ap_data = iter.next() ) |
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454 { |
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455 const core_mac_address_s bssid = ap_data->bssid(); |
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456 |
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457 if ( !server_m->get_core_settings().is_mac_in_permanent_blacklist( bssid ) ) |
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458 { |
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459 core_tools_c::add_beacon_to_scan_list( |
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460 client_scan_data_m, |
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461 *ap_data, |
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462 ap_data->rcpi() ); |
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463 } |
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464 } |
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465 |
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466 /** |
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467 * Go through the broadcast scan results and remove matching IAPs. |
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468 */ |
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469 process_scan_results( |
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470 core_scan_list_tag_scan ); |
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471 |
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472 /** |
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473 * Direct scans are only needed if active scanning is allowed. If limiting algorithm |
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474 * is used, channel activity based on broadcast scan is also required. |
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475 */ |
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476 if ( ( is_active_scan_allowed_m && |
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477 !is_limiting_algorithm_used_m ) || |
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478 ( is_active_scan_allowed_m && |
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479 is_limiting_algorithm_used_m && |
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480 bss_count_m ) ) |
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481 { |
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482 remove_non_hidden_iaps(); |
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483 |
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484 /** |
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485 * If limiting algorithm is used, only the current active_channels_m |
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486 * will be used. |
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487 */ |
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488 if ( is_limiting_algorithm_used_m ) |
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489 { |
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490 DEBUG( "core_operation_get_available_iaps_c::next_state() - limiting channels based on WLAN activity" ); |
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491 } |
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492 else |
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493 { |
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494 active_channels_m.set( |
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495 server_m->get_core_settings().all_valid_scan_channels() ); |
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496 } |
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497 |
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498 /** |
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499 * iap_data_list_m now contains only hidden ssid IAPs, |
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500 * that will be direct scanned next. |
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501 */ |
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502 core_iap_data_s* iap = iap_data_list_m.first(); |
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503 if( !iap ) |
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504 { |
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505 DEBUG( "core_operation_get_available_iaps_c::next_state() - nothing to direct scan" ); |
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506 |
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507 /** No hidden IAP entries in the request, move on.. */ |
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508 return goto_state( core_state_secondary_ssid_check ); |
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509 } |
|
510 |
|
511 DEBUG1( "core_operation_get_available_iaps_c::next_state() - going to direct scan %u IAP(s)", |
|
512 iap_data_list_m.count() ); |
|
513 |
|
514 direct_scanned_ssid_m = iap->ssid; |
|
515 DEBUG1( "core_operation_get_available_iaps_c::next_state() - direct scanning IAP ID %u", |
|
516 iap->id ); |
|
517 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - SSID: ", |
|
518 direct_scanned_ssid_m.length, direct_scanned_ssid_m.ssid ); |
|
519 |
|
520 server_m->get_scan_list().set_tag( |
|
521 core_scan_list_tag_direct_scan ); |
|
522 |
|
523 const core_scan_channels_s& channels( |
|
524 active_channels_m.channels() ); |
|
525 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting scan on channels 0x%02X%02X", |
|
526 channels.channels2dot4ghz[1], |
|
527 channels.channels2dot4ghz[0] ); |
|
528 |
|
529 bss_count_m = 0; |
|
530 |
|
531 server_m->register_event_handler( this ); |
|
532 server_m->register_frame_handler( this ); |
|
533 |
|
534 drivers_m->scan( |
|
535 request_id_m, |
|
536 core_scan_mode_active, |
|
537 direct_scanned_ssid_m, |
|
538 server_m->get_device_settings().scan_rate, |
|
539 channels, |
|
540 server_m->get_device_settings().active_scan_min_ch_time, |
|
541 server_m->get_device_settings().active_scan_max_ch_time, |
|
542 is_split_scan_m ); |
|
543 |
|
544 break; |
|
545 } |
|
546 else |
|
547 { |
|
548 DEBUG( "core_operation_get_available_iaps_c::next_state() - no reason to direct scan anything" ); |
|
549 remove_non_hidden_iaps(); |
|
550 |
|
551 return goto_state( core_state_scanning_done ); |
|
552 } |
|
553 } |
|
554 case core_state_direct_scan_start: |
|
555 { |
|
556 DEBUG( "core_operation_get_available_iaps_c::next_state() - direct scan request completed, waiting for scan completion" ); |
|
557 |
|
558 break; |
|
559 } |
|
560 case core_state_direct_scan_done: |
|
561 { |
|
562 operation_state_m = core_state_direct_scan_start; |
|
563 |
|
564 DEBUG1( "core_operation_get_available_iaps_c::next_state() - direct scan done, %u beacon(s)/probe(s) received", |
|
565 bss_count_m ); |
|
566 DEBUG1( "core_operation_get_available_iaps_c::next_state() - max %u direct scans left", |
|
567 iap_data_list_m.count() ); |
|
568 |
|
569 /** |
|
570 * Go through the direct scan results and remove the matching IAPs. |
|
571 */ |
|
572 process_scan_results( |
|
573 core_scan_list_tag_direct_scan ); |
|
574 |
|
575 /** |
|
576 * If the first entry is still the same the one that was scanned, |
|
577 * it means the IAP was not found. |
|
578 */ |
|
579 core_iap_data_s* iap = iap_data_list_m.first(); |
|
580 if ( iap && iap->ssid == direct_scanned_ssid_m ) |
|
581 { |
|
582 DEBUG1( "core_operation_get_available_iaps_c::next_state() - IAP ID %u not found in direct scan", |
|
583 iap->id ); |
|
584 |
|
585 core_error_e ret = iap_data_list_m.remove( iap ); |
|
586 if( ret != core_error_ok ) |
|
587 { |
|
588 DEBUG1( "core_operation_get_available_iaps_c::next_state() - error while removing IAP entry (%d)", |
|
589 ret ); |
|
590 } |
|
591 |
|
592 non_found_iaps_list_m.append( iap ); |
|
593 } |
|
594 |
|
595 iap = iap_data_list_m.first(); |
|
596 if( iap ) |
|
597 { |
|
598 direct_scanned_ssid_m = iap->ssid; |
|
599 DEBUG1( "core_operation_get_available_iaps_c::next_state() - direct scanning IAP ID %u", |
|
600 iap->id ); |
|
601 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - SSID: ", |
|
602 direct_scanned_ssid_m.length, direct_scanned_ssid_m.ssid ); |
|
603 |
|
604 server_m->get_scan_list().set_tag( |
|
605 core_scan_list_tag_direct_scan ); |
|
606 |
|
607 const core_scan_channels_s& channels( |
|
608 active_channels_m.channels() ); |
|
609 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting scan on channels 0x%02X%02X", |
|
610 channels.channels2dot4ghz[1], |
|
611 channels.channels2dot4ghz[0] ); |
|
612 |
|
613 bss_count_m = 0; |
|
614 |
|
615 server_m->register_event_handler( this ); |
|
616 server_m->register_frame_handler( this ); |
|
617 |
|
618 drivers_m->scan( |
|
619 request_id_m, |
|
620 core_scan_mode_active, |
|
621 direct_scanned_ssid_m, |
|
622 server_m->get_device_settings().scan_rate, |
|
623 channels, |
|
624 server_m->get_device_settings().active_scan_min_ch_time, |
|
625 server_m->get_device_settings().active_scan_max_ch_time, |
|
626 is_split_scan_m ); |
|
627 } |
|
628 else |
|
629 { |
|
630 DEBUG( "core_operation_get_available_iaps_c::next_state() - nothing to direct scan" ); |
|
631 |
|
632 return goto_state( core_state_secondary_ssid_check ); |
|
633 } |
|
634 |
|
635 break; |
|
636 } |
|
637 case core_state_secondary_ssid_check: |
|
638 { |
|
639 ASSERT( !iap_data_list_m.count() ); |
|
640 ASSERT( !iap_data_list_m.first() ); |
|
641 |
|
642 /** |
|
643 * All the IAPs that were not found are contained in non_found_iaps_list_m |
|
644 * list. Those that have secondary SSIDs defined, will be moved back to |
|
645 * iap_data_list_m for scanning. |
|
646 */ |
|
647 |
|
648 if ( iap_ssid_list_m ) |
|
649 { |
|
650 core_iap_data_s* iap = non_found_iaps_list_m.first(); |
|
651 while( iap ) |
|
652 { |
|
653 DEBUG1( "core_operation_get_available_iaps_c::next_state() - checking IAP ID %u for secondary SSIDs", |
|
654 iap->id ); |
|
655 |
|
656 if ( is_id_in_secondary_ssid_list( iap->id ) ) |
|
657 { |
|
658 DEBUG( "core_operation_get_available_iaps_c::next_state() - IAP has secondary SSID(s) defined" ); |
|
659 |
|
660 /** Using a temporary pointer to guarantee list iterator working. */ |
|
661 core_iap_data_s* temp = iap; |
|
662 iap = non_found_iaps_list_m.next(); |
|
663 |
|
664 non_found_iaps_list_m.remove( temp ); |
|
665 iap_data_list_m.append( temp ); |
|
666 } |
|
667 else |
|
668 { |
|
669 iap = non_found_iaps_list_m.next(); |
|
670 } |
|
671 } |
|
672 } |
|
673 |
|
674 if ( !iap_data_list_m.count() ) |
|
675 { |
|
676 DEBUG( "core_operation_get_available_iaps_c::next_state() - no IAPs with secondary SSID(s) defined" ); |
|
677 |
|
678 return goto_state( core_state_scanning_done ); |
|
679 } |
|
680 |
|
681 DEBUG1( "core_operation_get_available_iaps_c::next_state() - %u IAP(s) with secondary SSID(s) defined", |
|
682 iap_data_list_m.count() ); |
|
683 |
|
684 if ( iap_ssid_list_m ) |
|
685 { |
|
686 (void)iap_ssid_list_m->first(); |
|
687 } |
|
688 (void)iap_data_list_m.first(); |
|
689 |
|
690 return goto_state( core_state_secondary_ssid_next ); |
|
691 } |
|
692 case core_state_secondary_ssid_next: |
|
693 { |
|
694 operation_state_m = core_state_secondary_ssid_start; |
|
695 |
|
696 core_iap_data_s* iap = iap_data_list_m.current(); |
|
697 if ( !iap ) |
|
698 { |
|
699 DEBUG( "core_operation_get_available_iaps_c::next_state() - all IAPs with secondary SSID(s) handled" ); |
|
700 |
|
701 return goto_state( core_state_scanning_done ); |
|
702 } |
|
703 |
|
704 DEBUG1( "core_operation_get_available_iaps_c::next_state() - current IAP ID %u", |
|
705 iap->id ); |
|
706 core_ssid_entry_s* entry = iap_ssid_list_m->current(); |
|
707 while ( entry ) |
|
708 { |
|
709 if ( iap->id == entry->id ) |
|
710 { |
|
711 DEBUG1( "core_operation_get_available_iaps_c::next_state() - ID: %u", |
|
712 entry->id ); |
|
713 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - SSID: ", |
|
714 entry->ssid.length, entry->ssid.ssid ); |
|
715 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - Used SSID: ", |
|
716 entry->used_ssid.length, entry->used_ssid.ssid ); |
|
717 |
|
718 if ( is_ssid_in_scanlist( |
|
719 entry->ssid, |
|
720 client_scan_data_m ) ) |
|
721 { |
|
722 direct_scanned_ssid_m = entry->used_ssid; |
|
723 |
|
724 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - matching SSID found, doing a direct scan for SSID ", |
|
725 direct_scanned_ssid_m.length, direct_scanned_ssid_m.ssid ); |
|
726 |
|
727 server_m->get_scan_list().set_tag( |
|
728 core_scan_list_tag_direct_scan ); |
|
729 |
|
730 const core_scan_channels_s& channels( |
|
731 active_channels_m.channels() ); |
|
732 DEBUG2( "core_operation_get_available_iaps_c::next_state() - requesting scan on channels 0x%02X%02X", |
|
733 channels.channels2dot4ghz[1], |
|
734 channels.channels2dot4ghz[0] ); |
|
735 |
|
736 bss_count_m = 0; |
|
737 |
|
738 server_m->register_event_handler( this ); |
|
739 server_m->register_frame_handler( this ); |
|
740 |
|
741 drivers_m->scan( |
|
742 request_id_m, |
|
743 core_scan_mode_active, |
|
744 direct_scanned_ssid_m, |
|
745 server_m->get_device_settings().scan_rate, |
|
746 channels, |
|
747 server_m->get_device_settings().active_scan_min_ch_time, |
|
748 server_m->get_device_settings().active_scan_max_ch_time, |
|
749 is_split_scan_m ); |
|
750 |
|
751 return core_error_request_pending; |
|
752 } |
|
753 else |
|
754 { |
|
755 DEBUG( "core_operation_get_available_iaps_c::next_state() - matching SSID not found, moving to next entry" ); |
|
756 |
|
757 entry = iap_ssid_list_m->next(); |
|
758 } |
|
759 } |
|
760 else |
|
761 { |
|
762 entry = iap_ssid_list_m->next(); |
|
763 } |
|
764 } |
|
765 |
|
766 DEBUG1( "core_operation_get_available_iaps_c::next_state() - no more entries for IAP ID %u, moving to next IAP", |
|
767 iap->id ); |
|
768 |
|
769 remove_secondary_ssid_entries_by_id( iap->id ); |
|
770 iap_data_list_m.remove( iap ); |
|
771 non_found_iaps_list_m.append( iap ); |
|
772 (void)iap_ssid_list_m->first(); |
|
773 (void)iap_data_list_m.first(); |
|
774 |
|
775 return asynch_goto( core_state_secondary_ssid_next ); |
|
776 } |
|
777 case core_state_secondary_ssid_start: |
|
778 { |
|
779 DEBUG( "core_operation_get_available_iaps_c::next_state() - direct scan request completed, waiting for scan completion" ); |
|
780 |
|
781 break; |
|
782 } |
|
783 case core_state_secondary_ssid_done: |
|
784 { |
|
785 core_iap_data_s* iap = iap_data_list_m.current(); |
|
786 ASSERT( iap ); |
|
787 |
|
788 core_ssid_entry_s* entry = iap_ssid_list_m->current(); |
|
789 ASSERT( entry ); |
|
790 |
|
791 core_scan_list_iterator_by_tag_and_ssid_c iter( |
|
792 server_m->get_scan_list(), |
|
793 core_scan_list_tag_direct_scan, |
|
794 direct_scanned_ssid_m ); |
|
795 |
|
796 for ( core_ap_data_c* ap_data = iter.first(); ap_data; ap_data = iter.next() ) |
|
797 { |
|
798 core_iap_data_c iap_data( *iap ); |
|
799 if ( core_tools_parser_c::is_ap_compatible_with_iap( |
|
800 server_m->get_wpx_adaptation_instance(), |
|
801 *ap_data, |
|
802 iap_data, |
|
803 server_m->get_core_settings(), |
|
804 false_t, |
|
805 false_t ) == core_connect_ok ) |
|
806 { |
|
807 DEBUG1( "core_operation_get_available_iaps_c::next_state() - secondary SSID match for IAP ID %u", |
|
808 iap->id ); |
|
809 |
|
810 u32_t* iap_id = new u32_t; |
|
811 if( iap_id ) |
|
812 { |
|
813 *iap_id = iap->id; |
|
814 iap_id_list_m.append( iap_id ); |
|
815 iap_id = NULL; |
|
816 } |
|
817 |
|
818 remove_secondary_ssid_entries_by_id( iap->id ); |
|
819 iap_data_list_m.remove( iap ); |
|
820 (void)iap_ssid_list_m->first(); |
|
821 (void)iap_data_list_m.first(); |
|
822 |
|
823 delete iap; |
|
824 iap = NULL; |
|
825 |
|
826 return goto_state( core_state_secondary_ssid_next ); |
|
827 } |
|
828 } |
|
829 |
|
830 DEBUG1S( "core_operation_get_available_iaps_c::next_state() - no matching SSID ", |
|
831 direct_scanned_ssid_m.length, direct_scanned_ssid_m.ssid ); |
|
832 |
|
833 (void)iap_ssid_list_m->next(); |
|
834 |
|
835 return goto_state( core_state_secondary_ssid_next ); |
|
836 } |
|
837 case core_state_scanning_done: |
|
838 { |
|
839 server_m->unregister_frame_handler( this ); |
|
840 |
|
841 server_m->get_scan_list().print_contents(); // Additional print |
|
842 |
|
843 DEBUG( "core_operation_get_available_iaps_c::next_state() - all scanning done" ); |
|
844 DEBUG1( "core_operation_get_available_iaps_c::next_state() - scan list contains %u AP(s)", |
|
845 client_scan_data_m.Count() ); |
|
846 DEBUG1( "core_operation_get_available_iaps_c::next_state() - scan list size is %u bytes", |
|
847 client_scan_data_m.Size() ); |
|
848 DEBUG1( "core_operation_get_available_iaps_c::next_state() - %u IAP(s) found", |
|
849 iap_id_list_m.count() ); |
|
850 DEBUG1( "core_operation_get_available_iaps_c::next_state() - %u IAP(s) not found", |
|
851 non_found_iaps_list_m.count() ); |
|
852 |
|
853 /** |
|
854 * Detect channels that have APs with long beacon intervals. |
|
855 */ |
|
856 const u32_t long_beacon_interval( |
|
857 server_m->get_device_settings().passive_scan_max_ch_time ); |
|
858 |
|
859 core_long_beacon_interval_channels_s& long_beacon_interval_channels( |
|
860 server_m->get_core_settings().long_beacon_interval_channels() ); |
|
861 |
|
862 core_scan_list_iterator_by_tag_c iter_long_beacon( |
|
863 server_m->get_scan_list(), |
|
864 core_scan_list_tag_scan ); |
|
865 |
|
866 for ( core_ap_data_c* ap_data = iter_long_beacon.first(); ap_data; ap_data = iter_long_beacon.next() ) |
|
867 { |
|
868 if ( ap_data->beacon_interval() > long_beacon_interval ) |
|
869 { |
|
870 const u8_t channel( ap_data->channel() ); |
|
871 const core_mac_address_s bssid = ap_data->bssid(); |
|
872 |
|
873 DEBUG8( "core_operation_get_available_iaps_c::next_state() - BSSID %02X:%02X:%02X:%02X:%02X:%02X on channel %u has a long beacon interval (%u)", |
|
874 bssid.addr[0], bssid.addr[1], bssid.addr[2], |
|
875 bssid.addr[3], bssid.addr[4], bssid.addr[5], |
|
876 channel, |
|
877 ap_data->beacon_interval() ); |
|
878 if ( channel && |
|
879 channel <= SCAN_BAND_2DOT4GHZ_MAX_CHANNEL_EURO ) |
|
880 { |
|
881 long_beacon_interval_channels.channel_scan_count[channel - 1] = |
|
882 server_m->get_device_settings().long_beacon_find_count; |
|
883 } |
|
884 } |
|
885 } |
|
886 |
|
887 return core_error_ok; |
|
888 } |
|
889 default: |
|
890 { |
|
891 } |
|
892 } |
|
893 |
|
894 return core_error_request_pending; |
|
895 } |
|
896 |
|
897 // --------------------------------------------------------------------------- |
|
898 // --------------------------------------------------------------------------- |
|
899 // |
|
900 void core_operation_get_available_iaps_c::user_cancel( |
|
901 bool_t do_graceful_cancel ) |
|
902 { |
|
903 DEBUG( "core_operation_get_available_iaps_c::user_cancel()" ); |
|
904 |
|
905 /** |
|
906 * If region is FCC and region information is not known, then ignore |
|
907 * and remove the APs from channels 12 and 13 |
|
908 */ |
|
909 if ( !server_m->get_core_settings().mcc_known() && |
|
910 server_m->get_core_settings().regional_domain() == core_wlan_region_fcc ) |
|
911 { |
|
912 DEBUG( "core_operation_get_available_iaps_c::next_state() - remove APs that were found on channels 12 and 13" ); |
|
913 remove_disallowed_aps(); |
|
914 } |
|
915 |
|
916 if ( !do_graceful_cancel ) |
|
917 { |
|
918 /** |
|
919 * If we are in a middle of a scan, we have to schedule our own |
|
920 * event. |
|
921 */ |
|
922 if ( ( operation_state_m == core_state_long_broadcast_scan_start || |
|
923 operation_state_m == core_state_broadcast_scan_start || |
|
924 operation_state_m == core_state_broadcast_scan_start_unknown_region || |
|
925 operation_state_m == core_state_direct_scan_start || |
|
926 operation_state_m == core_state_secondary_ssid_start ) && |
|
927 server_m->event_handler() == this && |
|
928 server_m->frame_handler() == this ) |
|
929 { |
|
930 asynch_default_user_cancel(); |
|
931 |
|
932 return; |
|
933 } |
|
934 |
|
935 /** |
|
936 * Everything else is handled by the default implementation. |
|
937 */ |
|
938 core_operation_base_c::user_cancel( do_graceful_cancel ); |
|
939 } |
|
940 } |
|
941 |
|
942 // --------------------------------------------------------------------------- |
|
943 // --------------------------------------------------------------------------- |
|
944 // |
|
945 void core_operation_get_available_iaps_c::remove_non_hidden_iaps() |
|
946 { |
|
947 DEBUG("core_operation_get_available_iaps_c::remove_non_hidden_iaps()"); |
|
948 |
|
949 core_iap_data_s* iap = iap_data_list_m.first(); |
|
950 while( iap ) |
|
951 { |
|
952 if( !iap->is_hidden ) |
|
953 { |
|
954 DEBUG1("core_operation_get_available_iaps_c::remove_non_hidden_iaps() - removing IAP ID %u", |
|
955 iap->id ); |
|
956 |
|
957 core_iap_data_s* temp = iap; |
|
958 iap = iap_data_list_m.next(); |
|
959 core_error_e ret = iap_data_list_m.remove( temp ); |
|
960 if( ret != core_error_ok ) |
|
961 { |
|
962 DEBUG1("core_operation_get_available_iaps_c::remove_non_hidden_iaps() - error while removing IAP entry (%d)", |
|
963 ret ); |
|
964 } |
|
965 non_found_iaps_list_m.append( temp ); |
|
966 } |
|
967 else |
|
968 { |
|
969 DEBUG1("core_operation_get_available_iaps_c::remove_non_hidden_iaps() - leaving IAP ID %u", |
|
970 iap->id ); |
|
971 |
|
972 iap = iap_data_list_m.next(); |
|
973 } |
|
974 } |
|
975 } |
|
976 |
|
977 // --------------------------------------------------------------------------- |
|
978 // --------------------------------------------------------------------------- |
|
979 // |
|
980 void core_operation_get_available_iaps_c::process_scan_results( |
|
981 u8_t tag ) |
|
982 { |
|
983 DEBUG( "core_operation_get_available_iaps_c::process_scan_results()" ); |
|
984 |
|
985 core_scan_list_iterator_by_tag_c iter( |
|
986 server_m->get_scan_list(), |
|
987 tag ); |
|
988 |
|
989 for ( core_ap_data_c* ap_data = iter.first(); ap_data; ap_data = iter.next() ) |
|
990 { |
|
991 remove_matching_iaps( *ap_data ); |
|
992 } |
|
993 } |
|
994 |
|
995 // --------------------------------------------------------------------------- |
|
996 // --------------------------------------------------------------------------- |
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997 // |
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998 void core_operation_get_available_iaps_c::remove_matching_iaps( |
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999 core_ap_data_c& ap_data ) |
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1000 { |
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1001 DEBUG( "core_operation_get_available_iaps_c::remove_matching_iaps()" ); |
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1002 |
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1003 if ( ap_data.rcpi() < server_m->get_device_settings().iap_availability_rcpi_threshold ) |
|
1004 { |
|
1005 DEBUG2( "core_operation_get_available_iaps_c::remove_matching_iaps() - AP not considered, signal too weak (%u vs %u)", |
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1006 ap_data.rcpi(), server_m->get_device_settings().iap_availability_rcpi_threshold ); |
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1007 |
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1008 return; |
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1009 } |
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1010 |
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1011 u8_t treshold_val = |
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1012 static_cast<u8_t>(server_m->get_core_settings().rcp_improve_boundary()); |
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1013 |
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1014 /** |
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1015 * Loop through the IAP list. |
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1016 */ |
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1017 core_iap_data_s* iap = iap_data_list_m.first(); |
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1018 while( iap ) |
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1019 { |
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1020 core_iap_data_c iap_data( *iap ); |
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1021 if ( iap->ssid == ap_data.ssid() && |
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1022 core_tools_parser_c::is_ap_compatible_with_iap( |
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1023 server_m->get_wpx_adaptation_instance(), |
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1024 ap_data, |
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1025 iap_data, |
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1026 server_m->get_core_settings(), |
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1027 false_t, |
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1028 false_t ) == core_connect_ok ) |
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1029 { |
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1030 DEBUG1("core_operation_get_available_iaps_c::remove_matching_iaps() - match found for IAP ID %u", |
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1031 iap->id ); |
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1032 |
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1033 u32_t* iap_id = new u32_t; |
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1034 if( iap_id ) |
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1035 { |
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1036 if ( server_m->get_core_settings().is_iap_id_in_weak_list( iap->id) ) |
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1037 { |
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1038 DEBUG( "core_operation_get_available_iaps_c::remove_matching_iaps() - IAP ID is in weak list" ); |
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1039 |
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1040 if ( ap_data.rcpi() > treshold_val ) |
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1041 { |
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1042 DEBUG( "core_operation_get_available_iaps_c::remove_matching_iaps() - RCPI improved enough, remove IAP ID from weak list" ); |
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1043 *iap_id = iap->id; |
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1044 iap_id_list_m.append( iap_id ); |
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1045 iap_id = NULL; |
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1046 |
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1047 server_m->get_core_settings().remove_iap_id_from_weak_list( iap->id ); |
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1048 } |
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1049 |
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1050 } |
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1051 else |
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1052 { |
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1053 *iap_id = iap->id; |
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1054 iap_id_list_m.append( iap_id ); |
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1055 iap_id = NULL; |
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1056 } |
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1057 } |
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1058 |
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1059 /** Using a temporary pointer to guarantee list iterator working. */ |
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1060 core_iap_data_s* temp = iap; |
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1061 |
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1062 iap = iap_data_list_m.next(); |
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1063 core_error_e ret = iap_data_list_m.remove( temp ); |
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1064 if( ret != core_error_ok ) |
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1065 { |
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1066 if( iap ) |
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1067 { |
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1068 DEBUG1("core_operation_get_available_iaps_c::remove_matching_iaps() - error while removing IAP entry (%d)", |
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1069 iap->id ); |
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1070 } |
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1071 } |
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1072 |
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1073 delete temp; |
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1074 temp = NULL; |
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1075 delete iap_id; |
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1076 iap_id = NULL; |
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1077 } |
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1078 else |
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1079 { |
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1080 iap = iap_data_list_m.next(); |
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1081 } |
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1082 } |
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1083 } |
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1084 |
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1085 // --------------------------------------------------------------------------- |
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1086 // --------------------------------------------------------------------------- |
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1087 // |
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1088 u8_t core_operation_get_available_iaps_c::hidden_iap_count( |
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1089 core_type_list_c<core_iap_data_s>& iap_data_list ) |
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1090 { |
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1091 DEBUG( "core_operation_get_available_iaps_c::hidden_iap_count()" ); |
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1092 |
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1093 u8_t count( 0 ); |
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1094 core_iap_data_s* iap = iap_data_list.first(); |
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1095 |
|
1096 while( iap ) |
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1097 { |
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1098 if( iap->is_hidden ) |
|
1099 { |
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1100 ++count; |
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1101 } |
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1102 |
|
1103 iap = iap_data_list.next(); |
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1104 } |
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1105 |
|
1106 return count; |
|
1107 } |
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1108 |
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1109 // --------------------------------------------------------------------------- |
|
1110 // --------------------------------------------------------------------------- |
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1111 // |
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1112 void core_operation_get_available_iaps_c::remove_disallowed_aps() |
|
1113 { |
|
1114 core_type_list_c<core_mac_address_s> remove_ap_list; |
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1115 |
|
1116 core_scan_list_iterator_by_tag_c iter_removed_aps( |
|
1117 server_m->get_scan_list(), |
|
1118 core_scan_list_tag_scan ); |
|
1119 |
|
1120 core_ap_data_c* ap_data = iter_removed_aps.first(); |
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1121 while ( ap_data ) |
|
1122 { |
|
1123 if ( !server_m->get_core_settings().is_valid_channel( |
|
1124 SCAN_BAND_2DOT4GHZ, |
|
1125 ap_data->channel() ) ) |
|
1126 { |
|
1127 core_mac_address_s* ignored_ap = new core_mac_address_s; |
|
1128 if ( ignored_ap ) |
|
1129 { |
|
1130 *ignored_ap = ap_data->bssid(); |
|
1131 remove_ap_list.append( ignored_ap ); |
|
1132 } |
|
1133 } |
|
1134 |
|
1135 ap_data = iter_removed_aps.next(); |
|
1136 } |
|
1137 |
|
1138 core_mac_address_s* ignored_bssid = remove_ap_list.first(); |
|
1139 while (ignored_bssid ) |
|
1140 { |
|
1141 server_m->get_scan_list().remove_entries_by_bssid( *ignored_bssid ); |
|
1142 ignored_bssid = remove_ap_list.next(); |
|
1143 } |
|
1144 |
|
1145 remove_ap_list.clear(); |
|
1146 } |
|
1147 |
|
1148 // --------------------------------------------------------------------------- |
|
1149 // --------------------------------------------------------------------------- |
|
1150 // |
|
1151 bool_t core_operation_get_available_iaps_c::is_id_in_secondary_ssid_list( |
|
1152 u32_t id ) |
|
1153 { |
|
1154 for( core_ssid_entry_s* iter = iap_ssid_list_m->first(); iter; iter = iap_ssid_list_m->next() ) |
|
1155 { |
|
1156 if ( id == iter->id ) |
|
1157 { |
|
1158 return true_t; |
|
1159 } |
|
1160 } |
|
1161 |
|
1162 return false_t; |
|
1163 } |
|
1164 |
|
1165 // --------------------------------------------------------------------------- |
|
1166 // --------------------------------------------------------------------------- |
|
1167 // |
|
1168 void core_operation_get_available_iaps_c::remove_secondary_ssid_entries_by_id( |
|
1169 u32_t id ) |
|
1170 { |
|
1171 core_ssid_entry_s* iter = iap_ssid_list_m->first(); |
|
1172 while( iter ) |
|
1173 { |
|
1174 if ( id == iter->id ) |
|
1175 { |
|
1176 /** Using a temporary pointer to guarantee list iterator working. */ |
|
1177 core_ssid_entry_s* temp = iter; |
|
1178 iter = iap_ssid_list_m->next(); |
|
1179 |
|
1180 core_error_e ret = iap_ssid_list_m->remove( temp ); |
|
1181 if( ret != core_error_ok ) |
|
1182 { |
|
1183 DEBUG1("core_operation_get_available_iaps_c::remove_secondary_ssid_entries_by_id() - error while removing an entry (%u)", |
|
1184 ret ); |
|
1185 } |
|
1186 |
|
1187 delete temp; |
|
1188 temp = NULL; |
|
1189 } |
|
1190 else |
|
1191 { |
|
1192 iter = iap_ssid_list_m->next(); |
|
1193 } |
|
1194 } |
|
1195 } |
|
1196 |
|
1197 // --------------------------------------------------------------------------- |
|
1198 // --------------------------------------------------------------------------- |
|
1199 // |
|
1200 bool_t core_operation_get_available_iaps_c::is_ssid_in_scanlist( |
|
1201 const core_ssid_s& ssid, |
|
1202 const ScanList& scan_data ) |
|
1203 { |
|
1204 u8_t ie_len( 0 ); |
|
1205 const u8_t* ie_data = NULL; |
|
1206 ScanInfo info( scan_data ); |
|
1207 |
|
1208 for ( info.First(); !info.IsDone(); info.Next() ) |
|
1209 { |
|
1210 if( !info.InformationElement( core_frame_dot11_ie_c::core_frame_dot11_ie_element_id_ssid, ie_len, &ie_data ) ) |
|
1211 { |
|
1212 if( core_tools_c::compare( |
|
1213 ssid.ssid, ssid.length, |
|
1214 ie_data, ie_len ) == 0 ) |
|
1215 { |
|
1216 return true_t; |
|
1217 } |
|
1218 } |
|
1219 } |
|
1220 |
|
1221 return false_t; |
|
1222 } |
|
1223 |
|
1224 // --------------------------------------------------------------------------- |
|
1225 // --------------------------------------------------------------------------- |
|
1226 // |
|
1227 bool_t core_operation_get_available_iaps_c::receive_frame( |
|
1228 const core_frame_dot11_c* frame, |
|
1229 u8_t rcpi ) |
|
1230 { |
|
1231 DEBUG( "core_operation_get_available_iaps_c::receive_frame()" ); |
|
1232 |
|
1233 if ( frame->type() != core_frame_dot11_c::core_dot11_type_beacon && |
|
1234 frame->type() != core_frame_dot11_c::core_dot11_type_probe_resp ) |
|
1235 { |
|
1236 DEBUG( "core_operation_get_available_iaps_c::receive_frame() - not a beacon or a probe" ); |
|
1237 return false_t; |
|
1238 } |
|
1239 |
|
1240 core_ap_data_c* ap_data = core_ap_data_c::instance( |
|
1241 server_m->get_wpx_adaptation_instance(), |
|
1242 frame, |
|
1243 rcpi, |
|
1244 false_t ); |
|
1245 if ( ap_data ) |
|
1246 { |
|
1247 const core_ssid_s ssid = ap_data->ssid(); |
|
1248 DEBUG1S( "core_operation_get_available_iaps_c::receive_frame() - SSID: ", |
|
1249 ssid.length, &ssid.ssid[0] ); |
|
1250 |
|
1251 const core_mac_address_s bssid = ap_data->bssid(); |
|
1252 DEBUG6( "core_operation_get_available_iaps_c::receive_frame() - BSSID: %02X:%02X:%02X:%02X:%02X:%02X", |
|
1253 bssid.addr[0], bssid.addr[1], bssid.addr[2], |
|
1254 bssid.addr[3], bssid.addr[4], bssid.addr[5] ); |
|
1255 |
|
1256 server_m->get_scan_list().update_entry( *ap_data ); |
|
1257 |
|
1258 active_channels_m.add( |
|
1259 ap_data->band(), |
|
1260 ap_data->channel() ); |
|
1261 |
|
1262 bss_count_m++; |
|
1263 |
|
1264 delete ap_data; |
|
1265 ap_data = NULL; |
|
1266 } |
|
1267 |
|
1268 return true_t; |
|
1269 } |
|
1270 |
|
1271 // --------------------------------------------------------------------------- |
|
1272 // --------------------------------------------------------------------------- |
|
1273 // |
|
1274 bool_t core_operation_get_available_iaps_c::notify( |
|
1275 core_am_indication_e indication ) |
|
1276 { |
|
1277 if ( indication == core_am_indication_wlan_scan_complete ) |
|
1278 { |
|
1279 server_m->unregister_event_handler( this ); |
|
1280 |
|
1281 if ( operation_state_m == core_state_long_broadcast_scan_start ) |
|
1282 { |
|
1283 DEBUG( "core_operation_get_available_iaps_c::notify() - long broadcast scan complete" ); |
|
1284 |
|
1285 asynch_goto( core_state_long_broadcast_scan_done, CORE_TIMER_IMMEDIATELY ); |
|
1286 } |
|
1287 else if ( operation_state_m == core_state_broadcast_scan_start ) |
|
1288 { |
|
1289 DEBUG( "core_operation_get_available_iaps_c::notify() - broadcast scan complete" ); |
|
1290 |
|
1291 asynch_goto( core_state_broadcast_scan_done, CORE_TIMER_IMMEDIATELY ); |
|
1292 } |
|
1293 else if ( operation_state_m == core_state_broadcast_scan_start_unknown_region ) |
|
1294 { |
|
1295 DEBUG( "core_operation_get_available_iaps_c::notify() - broadcast scan complete for channels 12 and 13" ); |
|
1296 |
|
1297 asynch_goto( core_state_broadcast_scan_complete_unknown_region, CORE_TIMER_IMMEDIATELY ); |
|
1298 } |
|
1299 else if ( operation_state_m == core_state_direct_scan_start ) |
|
1300 { |
|
1301 DEBUG( "core_operation_get_available_iaps_c::notify() - direct scan complete" ); |
|
1302 |
|
1303 asynch_goto( core_state_direct_scan_done, CORE_TIMER_IMMEDIATELY ); |
|
1304 } |
|
1305 else if ( operation_state_m == core_state_secondary_ssid_start ) |
|
1306 { |
|
1307 DEBUG( "core_operation_get_available_iaps_c::notify() - direct scan complete" ); |
|
1308 |
|
1309 asynch_goto( core_state_secondary_ssid_done, CORE_TIMER_IMMEDIATELY ); |
|
1310 } |
|
1311 else |
|
1312 { |
|
1313 DEBUG( "core_operation_get_available_iaps_c::notify() - scan complete in unknown state" ); |
|
1314 ASSERT( false_t ); |
|
1315 } |
|
1316 |
|
1317 return true_t; |
|
1318 } |
|
1319 |
|
1320 return false_t; |
|
1321 } |