chromeos/network/device_state.cc

   1 // Copyright (c) 2012 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 "chromeos/network/device_state.h"
   6
   7 #include "base/logging.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "chromeos/network/network_event_log.h"
  11 #include "chromeos/network/shill_property_util.h"
  12 #include "third_party/cros_system_api/dbus/service_constants.h"
  13
  14 namespace chromeos {
  15
  16 DeviceState::DeviceState(const std::string& path)
  17     : ManagedState(MANAGED_TYPE_DEVICE, path),
  18       allow_roaming_(false),
  19       provider_requires_roaming_(false),
  20       support_network_scan_(false),
  21       scanning_(false),
  22       sim_retries_left_(0),
  23       sim_present_(true),
  24       eap_authentication_completed_(false) {
  25 }
  26
  27 DeviceState::~DeviceState() {
  28 }
  29
  30 bool DeviceState::PropertyChanged(const std::string& key,
  31                                   const base::Value& value) {
  32   // All property values get stored in |properties_|.
  33   properties_.SetWithoutPathExpansion(key, value.DeepCopy());
  34
  35   if (ManagedStatePropertyChanged(key, value))
  36     return true;
  37   if (key == shill::kAddressProperty) {
  38     return GetStringValue(key, value, &mac_address_);
  39   } else if (key == shill::kScanningProperty) {
  40     return GetBooleanValue(key, value, &scanning_);
  41   } else if (key == shill::kSupportNetworkScanProperty) {
  42     return GetBooleanValue(key, value, &support_network_scan_);
  43   } else if (key == shill::kCellularAllowRoamingProperty) {
  44     return GetBooleanValue(key, value, &allow_roaming_);
  45   } else if (key == shill::kProviderRequiresRoamingProperty) {
  46     return GetBooleanValue(key, value, &provider_requires_roaming_);
  47   } else if (key == shill::kHomeProviderProperty) {
  48     return shill_property_util::GetHomeProviderFromProperty(
  49         value, &home_provider_id_);
  50   } else if (key == shill::kTechnologyFamilyProperty) {
  51     return GetStringValue(key, value, &technology_family_);
  52   } else if (key == shill::kCarrierProperty) {
  53     return GetStringValue(key, value, &carrier_);
  54   } else if (key == shill::kFoundNetworksProperty) {
  55     const base::ListValue* list = nullptr;
  56     if (!value.GetAsList(&list))
  57       return false;
  58     CellularScanResults parsed_results;
  59     if (!network_util::ParseCellularScanResults(*list, &parsed_results))
  60       return false;
  61     scan_results_.swap(parsed_results);
  62     return true;
  63   } else if (key == shill::kSIMLockStatusProperty) {
  64     const base::DictionaryValue* dict = nullptr;
  65     if (!value.GetAsDictionary(&dict))
  66       return false;
  67
  68     // Set default values for SIM properties.
  69     sim_lock_type_.erase();
  70     sim_retries_left_ = 0;
  71
  72     const base::Value* out_value = nullptr;
  73     if (dict->GetWithoutPathExpansion(shill::kSIMLockTypeProperty,
  74                                       &out_value)) {
  75       GetStringValue(shill::kSIMLockTypeProperty, *out_value, &sim_lock_type_);
  76     }
  77     if (dict->GetWithoutPathExpansion(shill::kSIMLockRetriesLeftProperty,
  78                                       &out_value)) {
  79       GetUInt32Value(shill::kSIMLockRetriesLeftProperty, *out_value,
  80                      &sim_retries_left_);
  81     }
  82     return true;
  83   } else if (key == shill::kMeidProperty) {
  84     return GetStringValue(key, value, &meid_);
  85   } else if (key == shill::kImeiProperty) {
  86     return GetStringValue(key, value, &imei_);
  87   } else if (key == shill::kIccidProperty) {
  88     return GetStringValue(key, value, &iccid_);
  89   } else if (key == shill::kMdnProperty) {
  90     return GetStringValue(key, value, &mdn_);
  91   } else if (key == shill::kSIMPresentProperty) {
  92     return GetBooleanValue(key, value, &sim_present_);
  93   } else if (key == shill::kEapAuthenticationCompletedProperty) {
  94     return GetBooleanValue(key, value, &eap_authentication_completed_);
  95   } else if (key == shill::kIPConfigsProperty) {
  96     // If kIPConfigsProperty changes, clear any previous ip_configs_.
  97     // ShillPropertyhandler will request the IPConfig objects which will trigger
  98     // calls to IPConfigPropertiesChanged.
  99     ip_configs_.Clear();
 100     return false;  // No actual state change.
 101   }
 102   return false;
 103 }
 104
 105 bool DeviceState::InitialPropertiesReceived(
 106     const base::DictionaryValue& properties) {
 107   // Update UMA stats.
 108   if (sim_present_) {
 109     bool locked = !sim_lock_type_.empty();
 110     UMA_HISTOGRAM_BOOLEAN("Cellular.SIMLocked", locked);
 111   }
 112   return false;
 113 }
 114
 115 void DeviceState::IPConfigPropertiesChanged(
 116     const std::string& ip_config_path,
 117     const base::DictionaryValue& properties) {
 118   base::DictionaryValue* ip_config = nullptr;
 119   if (ip_configs_.GetDictionaryWithoutPathExpansion(
 120           ip_config_path, &ip_config)) {
 121     NET_LOG_EVENT("IPConfig Updated: " + ip_config_path, path());
 122     ip_config->Clear();
 123   } else {
 124     NET_LOG_EVENT("IPConfig Added: " + ip_config_path, path());
 125     ip_config = new base::DictionaryValue;
 126     ip_configs_.SetWithoutPathExpansion(ip_config_path, ip_config);
 127   }
 128   ip_config->MergeDictionary(&properties);
 129 }
 130
 131 bool DeviceState::IsSimAbsent() const {
 132   return technology_family_ == shill::kTechnologyFamilyGsm && !sim_present_;
 133 }
 134
 135 }  // namespace chromeos