| /* |
| * 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. |
| */ |
| |
| package android.os; |
| |
| import android.annotation.SystemApi; |
| import android.os.IUpdateEngine; |
| import android.os.IUpdateEngineCallback; |
| import android.os.RemoteException; |
| |
| import android.util.Log; |
| |
| /** |
| * UpdateEngine handles calls to the update engine which takes care of A/B OTA |
| * updates. It wraps up the update engine Binder APIs and exposes them as |
| * SystemApis, which will be called by system apps like GmsCore. |
| * |
| * The APIs defined in this class and UpdateEngineCallback class must be in |
| * sync with the ones in |
| * system/update_engine/binder_bindings/android/os/IUpdateEngine.aidl and |
| * system/update_engine/binder_bindings/android/os/IUpdateEngineCallback.aidl. |
| * |
| * {@hide} |
| */ |
| @SystemApi |
| public class UpdateEngine { |
| private static final String TAG = "UpdateEngine"; |
| |
| private static final String UPDATE_ENGINE_SERVICE = "android.os.UpdateEngineService"; |
| |
| /** |
| * Error code from the update engine. Values must agree with the ones in |
| * system/update_engine/common/error_code.h. |
| */ |
| @SystemApi |
| public static final class ErrorCodeConstants { |
| public static final int SUCCESS = 0; |
| public static final int ERROR = 1; |
| public static final int FILESYSTEM_COPIER_ERROR = 4; |
| public static final int POST_INSTALL_RUNNER_ERROR = 5; |
| public static final int PAYLOAD_MISMATCHED_TYPE_ERROR = 6; |
| public static final int INSTALL_DEVICE_OPEN_ERROR = 7; |
| public static final int KERNEL_DEVICE_OPEN_ERROR = 8; |
| public static final int DOWNLOAD_TRANSFER_ERROR = 9; |
| public static final int PAYLOAD_HASH_MISMATCH_ERROR = 10; |
| public static final int PAYLOAD_SIZE_MISMATCH_ERROR = 11; |
| public static final int DOWNLOAD_PAYLOAD_VERIFICATION_ERROR = 12; |
| } |
| |
| /** |
| * Update status code from the update engine. Values must agree with the |
| * ones in system/update_engine/client_library/include/update_engine/update_status.h. |
| */ |
| @SystemApi |
| public static final class UpdateStatusConstants { |
| public static final int IDLE = 0; |
| public static final int CHECKING_FOR_UPDATE = 1; |
| public static final int UPDATE_AVAILABLE = 2; |
| public static final int DOWNLOADING = 3; |
| public static final int VERIFYING = 4; |
| public static final int FINALIZING = 5; |
| public static final int UPDATED_NEED_REBOOT = 6; |
| public static final int REPORTING_ERROR_EVENT = 7; |
| public static final int ATTEMPTING_ROLLBACK = 8; |
| public static final int DISABLED = 9; |
| } |
| |
| private IUpdateEngine mUpdateEngine; |
| |
| @SystemApi |
| public UpdateEngine() { |
| mUpdateEngine = IUpdateEngine.Stub.asInterface( |
| ServiceManager.getService(UPDATE_ENGINE_SERVICE)); |
| } |
| |
| @SystemApi |
| public boolean bind(final UpdateEngineCallback callback, final Handler handler) { |
| IUpdateEngineCallback updateEngineCallback = new IUpdateEngineCallback.Stub() { |
| @Override |
| public void onStatusUpdate(final int status, final float percent) { |
| if (handler != null) { |
| handler.post(new Runnable() { |
| @Override |
| public void run() { |
| callback.onStatusUpdate(status, percent); |
| } |
| }); |
| } else { |
| callback.onStatusUpdate(status, percent); |
| } |
| } |
| |
| @Override |
| public void onPayloadApplicationComplete(final int errorCode) { |
| if (handler != null) { |
| handler.post(new Runnable() { |
| @Override |
| public void run() { |
| callback.onPayloadApplicationComplete(errorCode); |
| } |
| }); |
| } else { |
| callback.onPayloadApplicationComplete(errorCode); |
| } |
| } |
| }; |
| |
| try { |
| return mUpdateEngine.bind(updateEngineCallback); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| @SystemApi |
| public boolean bind(final UpdateEngineCallback callback) { |
| return bind(callback, null); |
| } |
| |
| @SystemApi |
| public void applyPayload(String url, long offset, long size, String[] headerKeyValuePairs) { |
| try { |
| mUpdateEngine.applyPayload(url, offset, size, headerKeyValuePairs); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| @SystemApi |
| public void cancel() { |
| try { |
| mUpdateEngine.cancel(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| @SystemApi |
| public void suspend() { |
| try { |
| mUpdateEngine.suspend(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| @SystemApi |
| public void resume() { |
| try { |
| mUpdateEngine.resume(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| |
| @SystemApi |
| public void resetStatus() { |
| try { |
| mUpdateEngine.resetStatus(); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } |
| } |
| } |