1 // 2 // Copyright (C) 2014 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_UPDATE_MANAGER_REAL_SHILL_PROVIDER_H_ 18 #define UPDATE_ENGINE_UPDATE_MANAGER_REAL_SHILL_PROVIDER_H_ 19 20 // TODO(garnold) Much of the functionality in this module was adapted from the 21 // update engine's connection_manager. We need to make sure to deprecate use of 22 // connection manager when the time comes. 23 24 #include <string> 25 26 #include <base/time/time.h> 27 #include <dbus/object_path.h> 28 29 #include "update_engine/common/clock_interface.h" 30 #include "update_engine/shill_proxy_interface.h" 31 #include "update_engine/update_manager/generic_variables.h" 32 #include "update_engine/update_manager/shill_provider.h" 33 34 namespace chromeos_update_manager { 35 36 // ShillProvider concrete implementation. 37 class RealShillProvider : public ShillProvider { 38 public: RealShillProvider(chromeos_update_engine::ShillProxyInterface * shill_proxy,chromeos_update_engine::ClockInterface * clock)39 RealShillProvider(chromeos_update_engine::ShillProxyInterface* shill_proxy, 40 chromeos_update_engine::ClockInterface* clock) 41 : shill_proxy_(shill_proxy), clock_(clock) {} 42 43 ~RealShillProvider() override = default; 44 45 // Initializes the provider and returns whether it succeeded. 46 bool Init(); 47 var_is_connected()48 Variable<bool>* var_is_connected() override { 49 return &var_is_connected_; 50 } 51 var_conn_type()52 Variable<ConnectionType>* var_conn_type() override { 53 return &var_conn_type_; 54 } 55 var_conn_tethering()56 Variable<ConnectionTethering>* var_conn_tethering() override { 57 return &var_conn_tethering_; 58 } 59 var_conn_last_changed()60 Variable<base::Time>* var_conn_last_changed() override { 61 return &var_conn_last_changed_; 62 } 63 64 // Helper methods for converting shill strings into symbolic values. 65 static ConnectionType ParseConnectionType(const std::string& type_str); 66 static ConnectionTethering ParseConnectionTethering( 67 const std::string& tethering_str); 68 69 private: 70 // A handler for ManagerProxy.PropertyChanged signal. 71 void OnManagerPropertyChanged(const std::string& name, 72 const brillo::Any& value); 73 74 // Called when the signal in ManagerProxy.PropertyChanged is connected. 75 void OnSignalConnected(const std::string& interface_name, 76 const std::string& signal_name, 77 bool successful); 78 79 // Get the connection and populate the type and tethering status of the given 80 // default connection. 81 bool ProcessDefaultService(const dbus::ObjectPath& default_service_path); 82 83 // The current default service path, if connected. "/" means not connected. 84 dbus::ObjectPath default_service_path_{"uninitialized"}; 85 86 // The mockable interface to access the shill DBus proxies, owned by the 87 // caller. 88 chromeos_update_engine::ShillProxyInterface* shill_proxy_; 89 90 // A clock abstraction (mockable). 91 chromeos_update_engine::ClockInterface* const clock_; 92 93 // The provider's variables. 94 AsyncCopyVariable<bool> var_is_connected_{"is_connected"}; 95 AsyncCopyVariable<ConnectionType> var_conn_type_{"conn_type"}; 96 AsyncCopyVariable<ConnectionTethering> var_conn_tethering_{"conn_tethering"}; 97 AsyncCopyVariable<base::Time> var_conn_last_changed_{"conn_last_changed"}; 98 99 DISALLOW_COPY_AND_ASSIGN(RealShillProvider); 100 }; 101 102 } // namespace chromeos_update_manager 103 104 #endif // UPDATE_ENGINE_UPDATE_MANAGER_REAL_SHILL_PROVIDER_H_ 105