1 // 2 // Copyright (C) 2013 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_HARDWARE_CHROMEOS_H_ 18 #define UPDATE_ENGINE_HARDWARE_CHROMEOS_H_ 19 20 #include <string> 21 #include <vector> 22 23 #include <base/macros.h> 24 #include <base/time/time.h> 25 #include <debugd/dbus-proxies.h> 26 27 #include "update_engine/common/hardware_interface.h" 28 29 namespace chromeos_update_engine { 30 31 // Implements the real interface with Chrome OS verified boot and recovery 32 // process. 33 class HardwareChromeOS final : public HardwareInterface { 34 public: 35 HardwareChromeOS() = default; 36 ~HardwareChromeOS() override = default; 37 38 void Init(); 39 40 // HardwareInterface methods. 41 bool IsOfficialBuild() const override; 42 bool IsNormalBootMode() const override; 43 bool AreDevFeaturesEnabled() const override; 44 bool IsOOBEEnabled() const override; 45 bool IsOOBEComplete(base::Time* out_time_of_oobe) const override; 46 std::string GetHardwareClass() const override; 47 std::string GetFirmwareVersion() const override; 48 std::string GetECVersion() const override; 49 int GetPowerwashCount() const override; 50 bool SchedulePowerwash() override; 51 bool CancelPowerwash() override; 52 bool GetNonVolatileDirectory(base::FilePath* path) const override; 53 bool GetPowerwashSafeDirectory(base::FilePath* path) const override; 54 55 private: 56 friend class HardwareChromeOSTest; 57 58 // Load the update manager config flags (is_oobe_enabled flag) from the 59 // appropriate location based on whether we are in a normal mode boot (as 60 // passed in |normal_mode|) prefixing the paths with |root_prefix|. 61 void LoadConfig(const std::string& root_prefix, bool normal_mode); 62 63 bool is_oobe_enabled_; 64 65 std::unique_ptr<org::chromium::debugdProxyInterface> debugd_proxy_; 66 67 DISALLOW_COPY_AND_ASSIGN(HardwareChromeOS); 68 }; 69 70 } // namespace chromeos_update_engine 71 72 #endif // UPDATE_ENGINE_HARDWARE_CHROMEOS_H_ 73