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//
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "update_engine/daemon_state_android.h"
#include <base/logging.h>
#include "update_engine/common/boot_control.h"
#include "update_engine/common/boot_control_stub.h"
#include "update_engine/common/hardware.h"
#include "update_engine/common/prefs.h"
#include "update_engine/update_attempter_android.h"
namespace chromeos_update_engine {
bool DaemonStateAndroid::Initialize() {
boot_control_ = boot_control::CreateBootControl();
if (!boot_control_) {
LOG(WARNING) << "Unable to create BootControl instance, using stub "
<< "instead. All update attempts will fail.";
boot_control_.reset(new BootControlStub());
}
hardware_ = hardware::CreateHardware();
if (!hardware_) {
LOG(ERROR) << "Error initializing the HardwareInterface.";
return false;
}
LOG_IF(INFO, !hardware_->IsNormalBootMode()) << "Booted in dev mode.";
LOG_IF(INFO, !hardware_->IsOfficialBuild()) << "Booted non-official build.";
// Initialize prefs.
base::FilePath non_volatile_path;
// TODO(deymo): Fall back to in-memory prefs if there's no physical directory
// available.
if (!hardware_->GetNonVolatileDirectory(&non_volatile_path)) {
LOG(ERROR) << "Failed to get a non-volatile directory.";
return false;
}
Prefs* prefs = new Prefs();
prefs_.reset(prefs);
if (!prefs->Init(non_volatile_path.Append(kPrefsSubDirectory))) {
LOG(ERROR) << "Failed to initialize preferences.";
return false;
}
// The CertificateChecker singleton is used by the update attempter.
certificate_checker_.reset(
new CertificateChecker(prefs_.get(), &openssl_wrapper_));
certificate_checker_->Init();
// Initialize the UpdateAttempter before the UpdateManager.
update_attempter_.reset(new UpdateAttempterAndroid(
this, prefs_.get(), boot_control_.get(), hardware_.get()));
return true;
}
bool DaemonStateAndroid::StartUpdater() {
// The DaemonState in Android is a passive daemon. It will only start applying
// an update when instructed to do so from the exposed binder API.
update_attempter_->Init();
return true;
}
void DaemonStateAndroid::AddObserver(ServiceObserverInterface* observer) {
service_observers_.insert(observer);
}
void DaemonStateAndroid::RemoveObserver(ServiceObserverInterface* observer) {
service_observers_.erase(observer);
}
ServiceDelegateAndroidInterface* DaemonStateAndroid::service_delegate() {
return update_attempter_.get();
}
} // namespace chromeos_update_engine