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_SHILL_PROVIDER_H_ 18#define UPDATE_ENGINE_UPDATE_MANAGER_SHILL_PROVIDER_H_ 19 20#include <base/time/time.h> 21 22#include "update_engine/update_manager/provider.h" 23#include "update_engine/update_manager/variable.h" 24 25namespace chromeos_update_manager { 26 27enum class ConnectionType { 28 kEthernet, 29 kWifi, 30 kWimax, 31 kBluetooth, 32 kCellular, 33 kUnknown 34}; 35 36enum class ConnectionTethering { 37 kNotDetected, 38 kSuspected, 39 kConfirmed, 40 kUnknown, 41}; 42 43// Provider for networking related information. 44class ShillProvider : public Provider { 45 public: 46 ~ShillProvider() override {} 47 48 // A variable returning whether we currently have network connectivity. 49 virtual Variable<bool>* var_is_connected() = 0; 50 51 // A variable returning the current network connection type. Unknown if not 52 // connected. 53 virtual Variable<ConnectionType>* var_conn_type() = 0; 54 55 // A variable returning the tethering mode of a network connection. Unknown if 56 // not connected. 57 virtual Variable<ConnectionTethering>* var_conn_tethering() = 0; 58 59 // A variable returning the time when network connection last changed. 60 // Initialized to current time. 61 virtual Variable<base::Time>* var_conn_last_changed() = 0; 62 63 protected: 64 ShillProvider() {} 65 66 private: 67 DISALLOW_COPY_AND_ASSIGN(ShillProvider); 68}; 69 70} // namespace chromeos_update_manager 71 72#endif // UPDATE_ENGINE_UPDATE_MANAGER_SHILL_PROVIDER_H_ 73