1 // 2 // Copyright (C) 2012 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_CONNECTION_MANAGER_H_ 18 #define UPDATE_ENGINE_CONNECTION_MANAGER_H_ 19 20 #include <string> 21 22 #include <base/macros.h> 23 #include <dbus/object_path.h> 24 25 #include "update_engine/connection_manager_interface.h" 26 #include "update_engine/shill_proxy_interface.h" 27 28 namespace chromeos_update_engine { 29 30 // This class implements the concrete class that talks with the connection 31 // manager (shill) over DBus. 32 // TODO(deymo): Remove this class and use ShillProvider from the UpdateManager. 33 class ConnectionManager : public ConnectionManagerInterface { 34 public: 35 // Constructs a new ConnectionManager object initialized with the 36 // given system state. 37 ConnectionManager(ShillProxyInterface* shill_proxy, 38 SystemState* system_state); 39 ~ConnectionManager() override = default; 40 41 // ConnectionManagerInterface overrides. 42 bool GetConnectionProperties(ConnectionType* out_type, 43 ConnectionTethering* out_tethering) override; 44 bool IsUpdateAllowedOver(ConnectionType type, 45 ConnectionTethering tethering) const override; 46 47 private: 48 // Returns (via out_path) the default network path, or empty string if 49 // there's no network up. Returns true on success. 50 bool GetDefaultServicePath(dbus::ObjectPath* out_path); 51 52 bool GetServicePathProperties(const dbus::ObjectPath& path, 53 ConnectionType* out_type, 54 ConnectionTethering* out_tethering); 55 56 // The mockable interface to access the shill DBus proxies. 57 std::unique_ptr<ShillProxyInterface> shill_proxy_; 58 59 // The global context for update_engine. 60 SystemState* system_state_; 61 62 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); 63 }; 64 65 } // namespace chromeos_update_engine 66 67 #endif // UPDATE_ENGINE_CONNECTION_MANAGER_H_ 68