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 class SystemState; 31 32 // This class implements the concrete class that talks with the connection 33 // manager (shill) over DBus. 34 // TODO(deymo): Remove this class and use ShillProvider from the UpdateManager. 35 class ConnectionManager : public ConnectionManagerInterface { 36 public: 37 // Returns the string representation corresponding to the given 38 // connection type. 39 static const char* StringForConnectionType(NetworkConnectionType type); 40 41 // Constructs a new ConnectionManager object initialized with the 42 // given system state. 43 ConnectionManager(ShillProxyInterface* shill_proxy, 44 SystemState* system_state); 45 ~ConnectionManager() override = default; 46 47 // ConnectionManagerInterface overrides. 48 bool GetConnectionProperties(NetworkConnectionType* out_type, 49 NetworkTethering* out_tethering) override; 50 bool IsUpdateAllowedOver(NetworkConnectionType type, 51 NetworkTethering tethering) const override; 52 53 private: 54 // Returns (via out_path) the default network path, or empty string if 55 // there's no network up. Returns true on success. 56 bool GetDefaultServicePath(dbus::ObjectPath* out_path); 57 58 bool GetServicePathProperties(const dbus::ObjectPath& path, 59 NetworkConnectionType* out_type, 60 NetworkTethering* out_tethering); 61 62 // The mockable interface to access the shill DBus proxies. 63 ShillProxyInterface* shill_proxy_; 64 65 // The global context for update_engine. 66 SystemState* system_state_; 67 68 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); 69 }; 70 71 } // namespace chromeos_update_engine 72 73 #endif // UPDATE_ENGINE_CONNECTION_MANAGER_H_ 74