| /* |
| * 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 com.google.android.car.bugreport; |
| |
| import static com.google.android.car.bugreport.PackageUtils.getPackageVersion; |
| |
| import android.annotation.FloatRange; |
| import android.annotation.Nullable; |
| import android.annotation.StringRes; |
| import android.app.Notification; |
| import android.app.NotificationChannel; |
| import android.app.NotificationManager; |
| import android.app.Service; |
| import android.car.Car; |
| import android.car.CarBugreportManager; |
| import android.car.CarNotConnectedException; |
| import android.content.Intent; |
| import android.hardware.display.DisplayManager; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.ParcelFileDescriptor; |
| import android.util.Log; |
| import android.view.Display; |
| import android.widget.Toast; |
| |
| import com.google.common.util.concurrent.AtomicDouble; |
| |
| import libcore.io.IoUtils; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.Enumeration; |
| import java.util.List; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipFile; |
| import java.util.zip.ZipOutputStream; |
| |
| /** |
| * Service that captures screenshot and bug report using dumpstate and bluetooth snoop logs. |
| * |
| * <p>After collecting all the logs it updates the {@link MetaBugReport} using {@link |
| * BugStorageProvider}, which in turn schedules bug report to upload. |
| */ |
| public class BugReportService extends Service { |
| private static final String TAG = BugReportService.class.getSimpleName(); |
| |
| /** |
| * Extra data from intent - current bug report. |
| */ |
| static final String EXTRA_META_BUG_REPORT = "meta_bug_report"; |
| |
| // Wait a short time before starting to capture the bugreport and the screen, so that |
| // bugreport activity can detach from the view tree. |
| // It is ugly to have a timeout, but it is ok here because such a delay should not really |
| // cause bugreport to be tainted with so many other events. If in the future we want to change |
| // this, the best option is probably to wait for onDetach events from view tree. |
| private static final int ACTIVITY_FINISH_DELAY = 1000; //in milliseconds |
| |
| private static final String BT_SNOOP_LOG_LOCATION = "/data/misc/bluetooth/logs/btsnoop_hci.log"; |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| |
| private static final String NOTIFICATION_STATUS_CHANNEL_ID = "BUGREPORT_STATUS_CHANNEL_ID"; |
| private static final int BUGREPORT_IN_PROGRESS_NOTIF_ID = 1; |
| |
| // http://cs/android/frameworks/base/core/java/android/app/ActivityView.java |
| private static final String ACTIVITY_VIEW_VIRTUAL_DISPLAY = "ActivityViewVirtualDisplay"; |
| private static final String OUTPUT_ZIP_FILE = "output_file.zip"; |
| |
| private static final String MESSAGE_FAILURE_DUMPSTATE = "Failed to grab dumpstate"; |
| private static final String MESSAGE_FAILURE_ZIP = "Failed to zip files"; |
| |
| private static final int PROGRESS_HANDLER_EVENT_PROGRESS = 1; |
| private static final String PROGRESS_HANDLER_DATA_PROGRESS = "progress"; |
| |
| static final float MAX_PROGRESS_VALUE = 100f; |
| |
| /** Binder given to clients. */ |
| private final IBinder mBinder = new ServiceBinder(); |
| |
| private final AtomicBoolean mIsCollectingBugReport = new AtomicBoolean(false); |
| private final AtomicDouble mBugReportProgress = new AtomicDouble(0); |
| |
| private MetaBugReport mMetaBugReport; |
| private NotificationManager mNotificationManager; |
| private NotificationChannel mNotificationChannel; |
| private ScheduledExecutorService mSingleThreadExecutor; |
| private BugReportProgressListener mBugReportProgressListener; |
| private Car mCar; |
| private CarBugreportManager mBugreportManager; |
| private CarBugreportManager.CarBugreportManagerCallback mCallback; |
| |
| /** A handler on the main thread. */ |
| private Handler mHandler; |
| |
| /** A listener that's notified when bugreport progress changes. */ |
| interface BugReportProgressListener { |
| /** |
| * Called when bug report progress changes. |
| * |
| * @param progress - a bug report progress in [0.0, 100.0]. |
| */ |
| void onProgress(float progress); |
| } |
| |
| /** Client binder. */ |
| public class ServiceBinder extends Binder { |
| BugReportService getService() { |
| // Return this instance of LocalService so clients can call public methods |
| return BugReportService.this; |
| } |
| } |
| |
| /** A handler on a main thread. */ |
| private class BugReportHandler extends Handler { |
| @Override |
| public void handleMessage(Message message) { |
| switch (message.what) { |
| case PROGRESS_HANDLER_EVENT_PROGRESS: |
| if (mBugReportProgressListener != null) { |
| float progress = message.getData().getFloat(PROGRESS_HANDLER_DATA_PROGRESS); |
| mBugReportProgressListener.onProgress(progress); |
| } |
| break; |
| default: |
| Log.d(TAG, "Unknown event " + message.what + ", ignoring."); |
| } |
| } |
| } |
| |
| @Override |
| public void onCreate() { |
| mNotificationManager = getSystemService(NotificationManager.class); |
| mNotificationChannel = new NotificationChannel( |
| NOTIFICATION_STATUS_CHANNEL_ID, |
| getString(R.string.notification_bugreport_channel_name), |
| NotificationManager.IMPORTANCE_MIN); |
| mNotificationManager.createNotificationChannel(mNotificationChannel); |
| mSingleThreadExecutor = Executors.newSingleThreadScheduledExecutor(); |
| mHandler = new BugReportHandler(); |
| mCar = Car.createCar(this); |
| try { |
| mBugreportManager = (CarBugreportManager) mCar.getCarManager(Car.CAR_BUGREPORT_SERVICE); |
| } catch (CarNotConnectedException | NoClassDefFoundError e) { |
| Log.w(TAG, "Couldn't get CarBugreportManager", e); |
| } |
| } |
| |
| @Override |
| public int onStartCommand(final Intent intent, int flags, int startId) { |
| if (mIsCollectingBugReport.get()) { |
| Log.w(TAG, "bug report is already being collected, ignoring"); |
| Toast.makeText(this, R.string.toast_bug_report_in_progress, Toast.LENGTH_SHORT).show(); |
| return START_NOT_STICKY; |
| } |
| Log.i(TAG, String.format("Will start collecting bug report, version=%s", |
| getPackageVersion(this))); |
| mIsCollectingBugReport.set(true); |
| mBugReportProgress.set(0); |
| |
| Notification notification = |
| new Notification.Builder(this, NOTIFICATION_STATUS_CHANNEL_ID) |
| .setContentTitle(getText(R.string.notification_bugreport_started)) |
| .setSmallIcon(R.drawable.download_animation) |
| .build(); |
| startForeground(BUGREPORT_IN_PROGRESS_NOTIF_ID, notification); |
| |
| Bundle extras = intent.getExtras(); |
| mMetaBugReport = extras.getParcelable(EXTRA_META_BUG_REPORT); |
| |
| collectBugReport(); |
| |
| // If the service process gets killed due to heavy memory pressure, do not restart. |
| return START_NOT_STICKY; |
| } |
| |
| /** Returns true if bugreporting is in progress. */ |
| public boolean isCollectingBugReport() { |
| return mIsCollectingBugReport.get(); |
| } |
| |
| /** Returns current bugreport progress. */ |
| public float getBugReportProgress() { |
| return (float) mBugReportProgress.get(); |
| } |
| |
| /** Sets a bugreport progress listener. The listener is called on a main thread. */ |
| public void setBugReportProgressListener(BugReportProgressListener listener) { |
| mBugReportProgressListener = listener; |
| } |
| |
| /** Removes the bugreport progress listener. */ |
| public void removeBugReportProgressListener() { |
| mBugReportProgressListener = null; |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| return mBinder; |
| } |
| |
| private void showToast(@StringRes int resId) { |
| // run on ui thread. |
| mHandler.post(() -> Toast.makeText(this, getText(resId), Toast.LENGTH_LONG).show()); |
| } |
| |
| private void collectBugReport() { |
| // Order is important when capturing. Screenshot should be first |
| mSingleThreadExecutor.schedule( |
| this::takeAllScreenshots, ACTIVITY_FINISH_DELAY, TimeUnit.MILLISECONDS); |
| mSingleThreadExecutor.schedule( |
| this::grabBtSnoopLog, ACTIVITY_FINISH_DELAY, TimeUnit.MILLISECONDS); |
| mSingleThreadExecutor.schedule( |
| this::dumpStateToFile, ACTIVITY_FINISH_DELAY, TimeUnit.MILLISECONDS); |
| } |
| |
| private void takeAllScreenshots() { |
| for (int displayId : getAvailableDisplayIds()) { |
| takeScreenshot(displayId); |
| } |
| } |
| |
| @Nullable |
| private File takeScreenshot(int displayId) { |
| Log.i(TAG, String.format("takeScreenshot displayId=%d", displayId)); |
| File result = FileUtils.getFileWithSuffix(this, mMetaBugReport.getTimestamp(), |
| "-" + displayId + "-screenshot.png"); |
| try { |
| if (DEBUG) { |
| Log.d(TAG, "Screen output: " + result.getName()); |
| } |
| |
| java.lang.Process process = Runtime.getRuntime() |
| .exec("/system/bin/screencap -d " + displayId + " -p " |
| + result.getAbsolutePath()); |
| |
| // Waits for the command to finish. |
| int err = process.waitFor(); |
| if (DEBUG) { |
| Log.d(TAG, "screencap process finished: " + err); |
| } |
| return result; |
| } catch (IOException | InterruptedException e) { |
| Log.e(TAG, "screencap process failed: ", e); |
| showToast(R.string.toast_status_screencap_failed); |
| } |
| return null; |
| } |
| |
| private List<Integer> getAvailableDisplayIds() { |
| DisplayManager displayManager = getSystemService(DisplayManager.class); |
| ArrayList<Integer> displayIds = new ArrayList<>(); |
| for (Display d : displayManager.getDisplays()) { |
| Log.v(TAG, |
| "getAvailableDisplayIds: d.Name=" + d.getName() + ", d.id=" + d.getDisplayId()); |
| // We skip virtual displays as they are not captured by screencap. |
| if (d.getName().contains(ACTIVITY_VIEW_VIRTUAL_DISPLAY)) { |
| continue; |
| } |
| displayIds.add(d.getDisplayId()); |
| } |
| return displayIds; |
| } |
| |
| private void grabBtSnoopLog() { |
| Log.i(TAG, "Grabbing bt snoop log"); |
| File result = FileUtils.getFileWithSuffix(this, mMetaBugReport.getTimestamp(), |
| "-btsnoop.bin.log"); |
| try { |
| copyBinaryStream(new FileInputStream(new File(BT_SNOOP_LOG_LOCATION)), |
| new FileOutputStream(result)); |
| } catch (IOException e) { |
| // this regularly happens when snooplog is not enabled so do not log as an error |
| Log.i(TAG, "Failed to grab bt snooplog, continuing to take bug report.", e); |
| } |
| } |
| |
| private void dumpStateToFile() { |
| Log.i(TAG, "Dumpstate to file"); |
| File outputFile = FileUtils.getFile(this, mMetaBugReport.getTimestamp(), OUTPUT_ZIP_FILE); |
| |
| try (ParcelFileDescriptor outFd = ParcelFileDescriptor.open(outputFile, |
| ParcelFileDescriptor.MODE_CREATE | ParcelFileDescriptor.MODE_READ_WRITE)) { |
| requestBugReport(outFd); |
| } catch (IOException | RuntimeException e) { |
| Log.e(TAG, "Failed to grab dump state", e); |
| BugStorageUtils.setBugReportStatus(this, mMetaBugReport, Status.STATUS_WRITE_FAILED, |
| MESSAGE_FAILURE_DUMPSTATE); |
| showToast(R.string.toast_status_dump_state_failed); |
| } |
| } |
| |
| private void sendProgressEventToHandler(float progress) { |
| Message message = new Message(); |
| message.what = PROGRESS_HANDLER_EVENT_PROGRESS; |
| message.getData().putFloat(PROGRESS_HANDLER_DATA_PROGRESS, progress); |
| mHandler.sendMessage(message); |
| } |
| |
| private void requestBugReport(ParcelFileDescriptor outFd) { |
| if (DEBUG) { |
| Log.d(TAG, "Requesting a bug report from CarBugReportManager."); |
| } |
| mCallback = new CarBugreportManager.CarBugreportManagerCallback() { |
| @Override |
| public void onError(int errorCode) { |
| Log.e(TAG, "Bugreport failed " + errorCode); |
| showToast(R.string.toast_status_failed); |
| // TODO(b/133520419): show this error on Info page or add to zip file. |
| scheduleZipTask(); |
| // We let the UI know that bug reporting is finished, because the next step is to |
| // zip everything and upload. |
| mBugReportProgress.set(MAX_PROGRESS_VALUE); |
| sendProgressEventToHandler(MAX_PROGRESS_VALUE); |
| } |
| |
| @Override |
| public void onProgress(@FloatRange(from = 0f, to = MAX_PROGRESS_VALUE) float progress) { |
| mBugReportProgress.set(progress); |
| sendProgressEventToHandler(progress); |
| } |
| |
| @Override |
| public void onFinished() { |
| Log.i(TAG, "Bugreport finished"); |
| scheduleZipTask(); |
| mBugReportProgress.set(MAX_PROGRESS_VALUE); |
| sendProgressEventToHandler(MAX_PROGRESS_VALUE); |
| } |
| }; |
| mBugreportManager.requestZippedBugreport(outFd, mCallback); |
| } |
| |
| private void scheduleZipTask() { |
| mSingleThreadExecutor.submit(this::zipDirectoryAndScheduleForUpload); |
| } |
| |
| private void zipDirectoryAndScheduleForUpload() { |
| try { |
| // When OutputStream from openBugReportFile is closed, BugStorageProvider automatically |
| // schedules an upload job. |
| zipDirectoryToOutputStream( |
| FileUtils.createTempDir(this, mMetaBugReport.getTimestamp()), |
| BugStorageUtils.openBugReportFile(this, mMetaBugReport)); |
| } catch (IOException e) { |
| Log.e(TAG, "Failed to zip files", e); |
| BugStorageUtils.setBugReportStatus(this, mMetaBugReport, Status.STATUS_WRITE_FAILED, |
| MESSAGE_FAILURE_ZIP); |
| showToast(R.string.toast_status_failed); |
| } |
| mIsCollectingBugReport.set(false); |
| showToast(R.string.toast_status_finished); |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (DEBUG) { |
| Log.d(TAG, "Service destroyed"); |
| } |
| } |
| |
| private static void copyBinaryStream(InputStream in, OutputStream out) throws IOException { |
| OutputStream writer = null; |
| InputStream reader = null; |
| try { |
| writer = new DataOutputStream(out); |
| reader = new DataInputStream(in); |
| rawCopyStream(writer, reader); |
| } finally { |
| IoUtils.closeQuietly(reader); |
| IoUtils.closeQuietly(writer); |
| } |
| } |
| |
| // does not close the reader or writer. |
| private static void rawCopyStream(OutputStream writer, InputStream reader) throws IOException { |
| int read; |
| byte[] buf = new byte[8192]; |
| while ((read = reader.read(buf, 0, buf.length)) > 0) { |
| writer.write(buf, 0, read); |
| } |
| } |
| |
| /** |
| * Compresses a directory into a zip file. The method is not recursive. Any sub-directory |
| * contained in the main directory and any files contained in the sub-directories will be |
| * skipped. |
| * |
| * @param dirToZip The path of the directory to zip |
| * @param outStream The output stream to write the zip file to |
| * @throws IOException if the directory does not exist, its files cannot be read, or the output |
| * zip file cannot be written. |
| */ |
| private void zipDirectoryToOutputStream(File dirToZip, OutputStream outStream) |
| throws IOException { |
| if (!dirToZip.isDirectory()) { |
| throw new IOException("zip directory does not exist"); |
| } |
| Log.v(TAG, "zipping directory " + dirToZip.getAbsolutePath()); |
| |
| File[] listFiles = dirToZip.listFiles(); |
| ZipOutputStream zipStream = new ZipOutputStream(new BufferedOutputStream(outStream)); |
| try { |
| for (File file : listFiles) { |
| if (file.isDirectory()) { |
| continue; |
| } |
| String filename = file.getName(); |
| // only for the OUTPUT_FILE, we add invidiual entries to zip file |
| if (filename.equals(OUTPUT_ZIP_FILE)) { |
| extractZippedFileToOutputStream(file, zipStream); |
| } else { |
| FileInputStream reader = new FileInputStream(file); |
| addFileToOutputStream(filename, reader, zipStream); |
| } |
| } |
| } finally { |
| zipStream.close(); |
| outStream.close(); |
| } |
| // Zipping successful, now cleanup the temp dir. |
| FileUtils.deleteDirectory(dirToZip); |
| } |
| |
| private void extractZippedFileToOutputStream(File file, ZipOutputStream zipStream) |
| throws IOException { |
| ZipFile zipFile = new ZipFile(file); |
| Enumeration<? extends ZipEntry> entries = zipFile.entries(); |
| while (entries.hasMoreElements()) { |
| ZipEntry entry = entries.nextElement(); |
| InputStream stream = zipFile.getInputStream(entry); |
| addFileToOutputStream(entry.getName(), stream, zipStream); |
| } |
| } |
| |
| private void addFileToOutputStream(String filename, InputStream reader, |
| ZipOutputStream zipStream) throws IOException { |
| ZipEntry entry = new ZipEntry(filename); |
| zipStream.putNextEntry(entry); |
| rawCopyStream(zipStream, reader); |
| zipStream.closeEntry(); |
| reader.close(); |
| } |
| } |