geolocation_handler.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd
1c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// found in the LICENSE file. 4c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 5c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chromeos/network/geolocation_handler.h" 6c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 7c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/bind.h" 8c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/string_number_conversions.h" 9c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "base/values.h" 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chromeos/dbus/dbus_thread_manager.h" 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "chromeos/dbus/shill_manager_client.h" 12c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include "third_party/cros_system_api/dbus/service_constants.h" 13c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 14c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)namespace chromeos { 15c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 167d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)static GeolocationHandler* g_geolocation_handler = NULL; 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 18c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)GeolocationHandler::GeolocationHandler() 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : wifi_enabled_(false), 20c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) { 21c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)GeolocationHandler::~GeolocationHandler() { 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ShillManagerClient* manager_client = 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DBusThreadManager::Get()->GetShillManagerClient(); 26c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (manager_client) 27c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) manager_client->RemovePropertyChangedObserver(this); 28c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 29c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 30c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::Init() { 31c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ShillManagerClient* manager_client = 32c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DBusThreadManager::Get()->GetShillManagerClient(); 33c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) manager_client->GetProperties( 3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::Bind(&GeolocationHandler::ManagerPropertiesCallback, 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) weak_ptr_factory_.GetWeakPtr())); 36868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) manager_client->AddPropertyChangedObserver(this); 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 39c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// static 4090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void GeolocationHandler::Initialize() { 41c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) CHECK(!g_geolocation_handler); 42c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) g_geolocation_handler = new GeolocationHandler(); 43c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) g_geolocation_handler->Init(); 44c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 45c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// static 47c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::Shutdown() { 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) CHECK(g_geolocation_handler); 49868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) delete g_geolocation_handler; 50868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) g_geolocation_handler = NULL; 51c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 52c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// static 54c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)GeolocationHandler* GeolocationHandler::Get() { 55c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) CHECK(g_geolocation_handler) 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) << "GeolocationHandler::Get() called before Initialize()"; 57c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return g_geolocation_handler; 58c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 59c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 60c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)bool GeolocationHandler::GetWifiAccessPoints( 61c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) WifiAccessPointVector* access_points, int64* age_ms) { 6290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!wifi_enabled_) 63c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return false; 64c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Always request updated access points. 65c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) RequestWifiAccessPoints(); 66c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // If no data has been received, return false. 67c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (geolocation_received_time_.is_null()) 6890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) return false; 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (access_points) 70c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *access_points = wifi_access_points_; 71c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (age_ms) { 72c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::TimeDelta dtime = base::Time::Now() - geolocation_received_time_; 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *age_ms = dtime.InMilliseconds(); 74c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return true; 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::OnPropertyChanged(const std::string& key, 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::Value& value) { 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) HandlePropertyChanged(key, value); 81c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 83c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)//------------------------------------------------------------------------------ 84c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Private methods 85c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 86c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::ManagerPropertiesCallback( 87c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DBusMethodCallStatus call_status, 88c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::DictionaryValue& properties) { 89c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::Value* value = NULL; 90c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (properties.Get(flimflam::kEnabledTechnologiesProperty, &value) && value) 91c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) HandlePropertyChanged(flimflam::kEnabledTechnologiesProperty, *value); 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 93c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 94c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::HandlePropertyChanged(const std::string& key, 95c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::Value& value) { 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (key != flimflam::kEnabledTechnologiesProperty) 97c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; 98c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::ListValue* technologies = NULL; 99c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!value.GetAsList(&technologies) || !technologies) 100c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; 101c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) bool wifi_was_enabled = wifi_enabled_; 102c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) wifi_enabled_ = false; 103c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) for (base::ListValue::const_iterator iter = technologies->begin(); 104c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) iter != technologies->end(); ++iter) { 105c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string technology; 106c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) (*iter)->GetAsString(&technology); 107c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (technology == flimflam::kTypeWifi) { 108c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) wifi_enabled_ = true; 109c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) break; 110c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 111c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 112c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!wifi_was_enabled && wifi_enabled_) 113868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) RequestWifiAccessPoints(); // Request initial location data. 114c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 115c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 116c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::RequestWifiAccessPoints() { 117c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DBusThreadManager::Get()->GetShillManagerClient()->GetNetworksForGeolocation( 118c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Bind(&GeolocationHandler::GeolocationCallback, 119868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) weak_ptr_factory_.GetWeakPtr())); 120c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 121c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 122c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void GeolocationHandler::GeolocationCallback( 123c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DBusMethodCallStatus call_status, 124c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::DictionaryValue& properties) { 125c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (call_status != DBUS_METHOD_CALL_SUCCESS) { 126c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) LOG(ERROR) << "Failed to get Geolocation data: " << call_status; 127c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; 128c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 129c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) wifi_access_points_.clear(); 130c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (properties.empty()) 131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; // No enabled devices, don't update received time. 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 133c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Dictionary<device_type, entry_list> 134c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) for (base::DictionaryValue::Iterator iter(properties); 135c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) iter.HasNext(); iter.Advance()) { 136c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::ListValue* entry_list = NULL; 137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!iter.value().GetAsList(&entry_list)) { 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) LOG(WARNING) << "Geolocation dictionary value not a List: " << iter.key(); 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) continue; 1407d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // List[Dictionary<key, value_str>] 142c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) for (size_t i = 0; i < entry_list->GetSize(); ++i) { 1437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) const base::DictionaryValue* entry = NULL; 144c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!entry_list->GetDictionary(i, &entry) || !entry) { 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) LOG(WARNING) << "Geolocation list value not a Dictionary: " << i; 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) continue; 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Docs: developers.google.com/maps/documentation/business/geolocation 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) WifiAccessPoint wap; 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entry->GetString(shill::kGeoMacAddressProperty, &wap.mac_address); 151c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string age_str; 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (entry->GetString(shill::kGeoAgeProperty, &age_str)) { 153c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int64 age_ms; 154c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (base::StringToInt64(age_str, &age_ms)) { 155c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) wap.timestamp = 156c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Time::Now() - base::TimeDelta::FromMilliseconds(age_ms); 1577d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 1587d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 1597d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) std::string strength_str; 160c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (entry->GetString(shill::kGeoSignalStrengthProperty, &strength_str)) 161c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::StringToInt(strength_str, &wap.signal_strength); 162c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string signal_str; 163c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (entry->GetString(shill::kGeoSignalToNoiseRatioProperty, &signal_str)) 164c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::StringToInt(signal_str, &wap.signal_to_noise); 165c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) std::string channel_str; 166c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (entry->GetString(shill::kGeoChannelProperty, &channel_str)) 167c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::StringToInt(channel_str, &wap.channel); 168c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) wifi_access_points_.push_back(wap); 169c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1707d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) } 171c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) geolocation_received_time_ = base::Time::Now(); 172c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1737d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 174c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace chromeos 175c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)