1 // 2 // Copyright (C) 2016 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 #include "update_engine/daemon_state_android.h" 18 19 #include <base/logging.h> 20 21 #include "update_engine/common/boot_control.h" 22 #include "update_engine/common/boot_control_stub.h" 23 #include "update_engine/common/hardware.h" 24 #include "update_engine/common/prefs.h" 25 #include "update_engine/update_attempter_android.h" 26 27 namespace chromeos_update_engine { 28 29 bool DaemonStateAndroid::Initialize() { 30 boot_control_ = boot_control::CreateBootControl(); 31 if (!boot_control_) { 32 LOG(WARNING) << "Unable to create BootControl instance, using stub " 33 << "instead. All update attempts will fail."; 34 boot_control_.reset(new BootControlStub()); 35 } 36 37 hardware_ = hardware::CreateHardware(); 38 if (!hardware_) { 39 LOG(ERROR) << "Error intializing the HardwareInterface."; 40 return false; 41 } 42 43 LOG_IF(INFO, !hardware_->IsNormalBootMode()) << "Booted in dev mode."; 44 LOG_IF(INFO, !hardware_->IsOfficialBuild()) << "Booted non-official build."; 45 46 // Initialize prefs. 47 base::FilePath non_volatile_path; 48 // TODO(deymo): Fall back to in-memory prefs if there's no physical directory 49 // available. 50 if (!hardware_->GetNonVolatileDirectory(&non_volatile_path)) { 51 LOG(ERROR) << "Failed to get a non-volatile directory."; 52 return false; 53 } 54 Prefs* prefs = new Prefs(); 55 prefs_.reset(prefs); 56 if (!prefs->Init(non_volatile_path.Append(kPrefsSubDirectory))) { 57 LOG(ERROR) << "Failed to initialize preferences."; 58 return false; 59 } 60 61 // Initialize the UpdateAttempter before the UpdateManager. 62 update_attempter_.reset(new UpdateAttempterAndroid( 63 this, prefs_.get(), boot_control_.get(), hardware_.get())); 64 65 return true; 66 } 67 68 bool DaemonStateAndroid::StartUpdater() { 69 // The DaemonState in Android is a passive daemon. It will only start applying 70 // an update when instructed to do so from the exposed binder API. 71 update_attempter_->Init(); 72 return true; 73 } 74 75 void DaemonStateAndroid::AddObserver(ServiceObserverInterface* observer) { 76 service_observers_.insert(observer); 77 } 78 79 void DaemonStateAndroid::RemoveObserver(ServiceObserverInterface* observer) { 80 service_observers_.erase(observer); 81 } 82 83 ServiceDelegateAndroidInterface* DaemonStateAndroid::service_delegate() { 84 return update_attempter_.get(); 85 } 86 87 } // namespace chromeos_update_engine 88
