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