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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/metrics/wifi_access_point_info_provider_chromeos.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/location.h" | |
| 9 #include "base/strings/string_number_conversions.h" | |
| 10 #include "chromeos/network/network_configuration_handler.h" | |
| 11 #include "chromeos/network/network_handler.h" | |
| 12 #include "chromeos/network/network_state.h" | |
| 13 #include "chromeos/network/network_state_handler.h" | |
| 14 #include "chromeos/network/shill_property_util.h" | |
| 15 #include "third_party/cros_system_api/dbus/service_constants.h" | |
| 16 | |
| 17 using chromeos::NetworkHandler; | |
| 18 | |
| 19 WifiAccessPointInfoProviderChromeos::WifiAccessPointInfoProviderChromeos() { | |
| 20 NetworkHandler::Get()->network_state_handler()->AddObserver(this, FROM_HERE); | |
| 21 | |
| 22 // Update initial connection state. | |
| 23 DefaultNetworkChanged( | |
| 24 NetworkHandler::Get()->network_state_handler()->DefaultNetwork()); | |
| 25 } | |
| 26 | |
| 27 WifiAccessPointInfoProviderChromeos::~WifiAccessPointInfoProviderChromeos() { | |
| 28 NetworkHandler::Get()->network_state_handler()->RemoveObserver(this, | |
| 29 FROM_HERE); | |
| 30 } | |
| 31 | |
| 32 bool WifiAccessPointInfoProviderChromeos::GetInfo(WifiAccessPointInfo* info) { | |
| 33 // Wifi access point information is not provided if the BSSID is empty. | |
| 34 // This assumes the BSSID is never empty when access point information exists. | |
| 35 if (wifi_access_point_info_.bssid.empty()) | |
| 36 return false; | |
| 37 | |
| 38 *info = wifi_access_point_info_; | |
| 39 return true; | |
| 40 } | |
| 41 | |
| 42 void WifiAccessPointInfoProviderChromeos::DefaultNetworkChanged( | |
| 43 const chromeos::NetworkState* default_network) { | |
| 44 // Reset access point info to prevent reporting of out-dated data. | |
| 45 wifi_access_point_info_ = WifiAccessPointInfo(); | |
| 46 | |
| 47 // Skip non-wifi connections | |
| 48 if (!default_network || default_network->type() != shill::kTypeWifi) | |
| 49 return; | |
| 50 | |
| 51 // Retrieve access point info for wifi connection. | |
| 52 NetworkHandler::Get()->network_configuration_handler()->GetProperties( | |
| 53 default_network->path(), | |
| 54 base::Bind(&WifiAccessPointInfoProviderChromeos::ParseInfo, | |
| 55 AsWeakPtr()), | |
| 56 chromeos::network_handler::ErrorCallback()); | |
| 57 } | |
| 58 | |
| 59 void WifiAccessPointInfoProviderChromeos::ParseInfo( | |
| 60 const std::string &service_path, | |
| 61 const base::DictionaryValue& properties) { | |
| 62 // Skip services that contain "_nomap" in the SSID. | |
| 63 std::string ssid = | |
| 64 chromeos::shill_property_util::GetSSIDFromProperties(properties, NULL); | |
| 65 if (ssid.find("_nomap", 0) != std::string::npos) | |
| 66 return; | |
| 67 | |
| 68 std::string bssid; | |
| 69 if (!properties.GetStringWithoutPathExpansion(shill::kWifiBSsid, &bssid) || | |
| 70 bssid.empty()) | |
| 71 return; | |
| 72 | |
| 73 // Filter out BSSID with local bit set in the first byte. | |
| 74 uint32 first_octet; | |
| 75 if (!base::HexStringToUInt(bssid.substr(0, 2), &first_octet)) | |
| 76 NOTREACHED(); | |
| 77 if (first_octet & 0x2) | |
| 78 return; | |
| 79 wifi_access_point_info_.bssid = bssid; | |
| 80 | |
| 81 // Parse security info. | |
| 82 std::string security; | |
| 83 properties.GetStringWithoutPathExpansion( | |
| 84 shill::kSecurityProperty, &security); | |
| 85 wifi_access_point_info_.security = WIFI_SECURITY_UNKNOWN; | |
| 86 if (security == shill::kSecurityWpa) | |
| 87 wifi_access_point_info_.security = WIFI_SECURITY_WPA; | |
| 88 else if (security == shill::kSecurityWep) | |
| 89 wifi_access_point_info_.security = WIFI_SECURITY_WEP; | |
| 90 else if (security == shill::kSecurityRsn) | |
| 91 wifi_access_point_info_.security = WIFI_SECURITY_RSN; | |
| 92 else if (security == shill::kSecurity8021x) | |
| 93 wifi_access_point_info_.security = WIFI_SECURITY_802_1X; | |
| 94 else if (security == shill::kSecurityPsk) | |
| 95 wifi_access_point_info_.security = WIFI_SECURITY_PSK; | |
| 96 else if (security == shill::kSecurityNone) | |
| 97 wifi_access_point_info_.security = WIFI_SECURITY_NONE; | |
| 98 | |
| 99 properties.GetStringWithoutPathExpansion( | |
| 100 shill::kWifiBSsid, &wifi_access_point_info_.bssid); | |
| 101 const base::DictionaryValue* vendor_dict = NULL; | |
| 102 if (!properties.GetDictionaryWithoutPathExpansion( | |
| 103 shill::kWifiVendorInformationProperty, | |
| 104 &vendor_dict)) | |
| 105 return; | |
| 106 | |
| 107 vendor_dict->GetStringWithoutPathExpansion( | |
| 108 shill::kVendorWPSModelNumberProperty, | |
| 109 &wifi_access_point_info_.model_number); | |
| 110 vendor_dict->GetStringWithoutPathExpansion( | |
| 111 shill::kVendorWPSModelNameProperty, | |
| 112 &wifi_access_point_info_.model_name); | |
| 113 vendor_dict->GetStringWithoutPathExpansion( | |
| 114 shill::kVendorWPSDeviceNameProperty, | |
| 115 &wifi_access_point_info_.device_name); | |
| 116 vendor_dict->GetStringWithoutPathExpansion(shill::kVendorOUIListProperty, | |
| 117 &wifi_access_point_info_.oui_list); | |
| 118 } | |
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Chromium Code Reviews
Issue 558873002:
Moves NetworkMetricsProvider to //components/metrics. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master