| /* |
| * Copyright (C) 2019 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.car; |
| |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.RequiresPermission; |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.ParcelFileDescriptor; |
| import android.os.RemoteException; |
| |
| import com.android.internal.util.Preconditions; |
| |
| import libcore.io.IoUtils; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.ref.WeakReference; |
| |
| /** |
| * Car specific bugreport manager. Only available for userdebug and eng builds. |
| * |
| * @hide |
| */ |
| public final class CarBugreportManager implements CarManagerBase { |
| |
| private final ICarBugreportService mService; |
| private Handler mHandler; |
| |
| /** |
| * Callback from carbugreport manager. Callback methods are always called on the main thread. |
| */ |
| public abstract static class CarBugreportManagerCallback { |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(prefix = {"CAR_BUGREPORT_ERROR_"}, value = { |
| CAR_BUGREPORT_DUMPSTATE_FAILED, |
| CAR_BUGREPORT_IN_PROGRESS, |
| CAR_BUGREPORT_DUMPSTATE_CONNECTION_FAILED, |
| CAR_BUGREPORT_SERVICE_NOT_AVAILABLE |
| }) |
| |
| public @interface CarBugreportErrorCode { |
| } |
| |
| /** Dumpstate failed to generate bugreport. */ |
| public static final int CAR_BUGREPORT_DUMPSTATE_FAILED = 1; |
| |
| /** |
| * Another bugreport is in progress. |
| */ |
| public static final int CAR_BUGREPORT_IN_PROGRESS = 2; |
| |
| /** Cannot connect to dumpstate */ |
| public static final int CAR_BUGREPORT_DUMPSTATE_CONNECTION_FAILED = 3; |
| |
| /** Car bugreport service is not available (true for user builds) */ |
| public static final int CAR_BUGREPORT_SERVICE_NOT_AVAILABLE = 4; |
| |
| /** |
| * Called on an error condition with one of the error codes listed above. |
| * |
| * @param errorCode the error code that defines failure reason. |
| */ |
| public void onError(@CarBugreportErrorCode int errorCode) { |
| } |
| |
| /** |
| * Called when taking bugreport finishes successfully. |
| */ |
| public void onFinished() { |
| } |
| } |
| |
| /** |
| * Internal wrapper class to service. |
| */ |
| private static final class CarBugreportManagerCallbackWrapper extends |
| ICarBugreportCallback.Stub { |
| |
| private final WeakReference<CarBugreportManagerCallback> mWeakCallback; |
| private final WeakReference<Handler> mWeakHandler; |
| |
| /** |
| * Create a new callback wrapper. |
| * |
| * @param callback the callback passed from app |
| * @param handler the handler to execute callbacks on |
| */ |
| CarBugreportManagerCallbackWrapper(CarBugreportManagerCallback callback, |
| Handler handler) { |
| mWeakCallback = new WeakReference<>(callback); |
| mWeakHandler = new WeakReference<>(handler); |
| } |
| |
| @Override |
| public void onError(@CarBugreportManagerCallback.CarBugreportErrorCode int errorCode) { |
| CarBugreportManagerCallback callback = mWeakCallback.get(); |
| Handler handler = mWeakHandler.get(); |
| if (handler != null && callback != null) { |
| handler.post(() -> callback.onError(errorCode)); |
| } |
| } |
| |
| @Override |
| public void onFinished() { |
| CarBugreportManagerCallback callback = mWeakCallback.get(); |
| Handler handler = mWeakHandler.get(); |
| if (handler != null && callback != null) { |
| handler.post(() -> callback.onFinished()); |
| } |
| } |
| } |
| |
| /** |
| * Get an instance of the CarBugreportManager |
| * |
| * Should not be obtained directly by clients, use {@link Car#getCarManager(String)} instead. |
| */ |
| public CarBugreportManager(IBinder service, Context context) { |
| mService = ICarBugreportService.Stub.asInterface(service); |
| mHandler = new Handler(context.getMainLooper()); |
| } |
| |
| /** |
| * Request a bug report. An zipped bugreport is generated in the background. |
| * The file descriptors are closed when bugreport is written or if an exception happens. |
| * The progress protocol is described |
| * <a href="https://android.googlesource.com/platform/frameworks/native/+/master/cmds/bugreportz/readme.md"> |
| * here</a> |
| * |
| * @param output the zipped bugreport file |
| * @param progress the progress information that includes failure/success status. |
| * @param callback the callback for reporting dump status |
| */ |
| @RequiresPermission(android.Manifest.permission.DUMP) |
| public void requestZippedBugreport(@NonNull ParcelFileDescriptor output, |
| @NonNull ParcelFileDescriptor progress, |
| @NonNull CarBugreportManagerCallback callback) { |
| Preconditions.checkNotNull(output); |
| Preconditions.checkNotNull(progress); |
| Preconditions.checkNotNull(callback); |
| try { |
| CarBugreportManagerCallbackWrapper wrapper = |
| new CarBugreportManagerCallbackWrapper(callback, mHandler); |
| mService.requestZippedBugreport(output, progress, wrapper); |
| } catch (RemoteException e) { |
| throw e.rethrowFromSystemServer(); |
| } finally { |
| IoUtils.closeQuietly(output); |
| IoUtils.closeQuietly(progress); |
| } |
| } |
| |
| @Override |
| public void onCarDisconnected() { |
| } |
| |
| } |