diff options
Diffstat (limited to 'packages/Shell/src/com/android/shell/HeapDumpReceiver.java')
| -rw-r--r-- | packages/Shell/src/com/android/shell/HeapDumpReceiver.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/packages/Shell/src/com/android/shell/HeapDumpReceiver.java b/packages/Shell/src/com/android/shell/HeapDumpReceiver.java new file mode 100644 index 000000000000..858c521eaed5 --- /dev/null +++ b/packages/Shell/src/com/android/shell/HeapDumpReceiver.java @@ -0,0 +1,188 @@ +/* + * 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.android.shell; + +import static com.android.shell.BugreportProgressService.isTv; + +import android.annotation.Nullable; +import android.app.Notification; +import android.app.NotificationChannel; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.net.Uri; +import android.os.AsyncTask; +import android.os.FileUtils; +import android.os.Process; +import android.text.format.DateUtils; +import android.util.Log; + +import java.io.File; + +/** + * Receiver that handles finished heap dumps. + */ +public class HeapDumpReceiver extends BroadcastReceiver { + private static final String TAG = "HeapDumpReceiver"; + + /** + * Broadcast action to determine when to delete a specific dump heap. Must include a {@link + * HeapDumpActivity#KEY_URI} String extra. + */ + static final String ACTION_DELETE_HEAP_DUMP = "com.android.shell.action.DELETE_HEAP_DUMP"; + + /** Broadcast sent when heap dump collection has been completed. */ + private static final String ACTION_HEAP_DUMP_FINISHED = + "com.android.internal.intent.action.HEAP_DUMP_FINISHED"; + + /** The process we are reporting */ + static final String EXTRA_PROCESS_NAME = "com.android.internal.extra.heap_dump.PROCESS_NAME"; + + /** The size limit the process reached. */ + static final String EXTRA_SIZE_BYTES = "com.android.internal.extra.heap_dump.SIZE_BYTES"; + + /** Whether the user initiated the dump or not. */ + static final String EXTRA_IS_USER_INITIATED = + "com.android.internal.extra.heap_dump.IS_USER_INITIATED"; + + /** Optional name of package to directly launch. */ + static final String EXTRA_REPORT_PACKAGE = + "com.android.internal.extra.heap_dump.REPORT_PACKAGE"; + + private static final String NOTIFICATION_CHANNEL_ID = "heapdumps"; + private static final int NOTIFICATION_ID = 2019; + + /** + * Always keep heap dumps taken in the last week. + */ + private static final long MIN_KEEP_AGE_MS = DateUtils.WEEK_IN_MILLIS; + + @Override + public void onReceive(Context context, Intent intent) { + Log.d(TAG, "onReceive(): " + intent); + final String action = intent.getAction(); + if (action == null) { + Log.e(TAG, "null action received"); + return; + } + switch (action) { + case Intent.ACTION_BOOT_COMPLETED: + cleanupOldFiles(context); + break; + case ACTION_DELETE_HEAP_DUMP: + deleteHeapDump(context, intent.getStringExtra(HeapDumpActivity.KEY_URI)); + break; + case ACTION_HEAP_DUMP_FINISHED: + showDumpNotification(context, intent); + break; + } + } + + private void cleanupOldFiles(Context context) { + final PendingResult result = goAsync(); + new AsyncTask<Void, Void, Void>() { + @Override + protected Void doInBackground(Void... params) { + try { + Log.d(TAG, "Deleting from " + new File(context.getFilesDir(), "heapdumps")); + FileUtils.deleteOlderFiles(new File(context.getFilesDir(), "heapdumps"), 0, + MIN_KEEP_AGE_MS); + } catch (RuntimeException e) { + Log.e(TAG, "Couldn't delete old files", e); + } + result.finish(); + return null; + } + }.execute(); + } + + private void deleteHeapDump(Context context, @Nullable final String uri) { + if (uri == null) { + Log.e(TAG, "null URI for delete heap dump intent"); + return; + } + final PendingResult result = goAsync(); + new AsyncTask<Void, Void, Void>() { + @Override + protected Void doInBackground(Void... params) { + context.getContentResolver().delete(Uri.parse(uri), null, null); + result.finish(); + return null; + } + }.execute(); + } + + private void showDumpNotification(Context context, Intent intent) { + final boolean isUserInitiated = intent.getBooleanExtra( + EXTRA_IS_USER_INITIATED, false); + final String procName = intent.getStringExtra(EXTRA_PROCESS_NAME); + final int uid = intent.getIntExtra(Intent.EXTRA_UID, 0); + + final String reportPackage = intent.getStringExtra( + EXTRA_REPORT_PACKAGE); + final long size = intent.getLongExtra(EXTRA_SIZE_BYTES, 0); + + if (procName == null) { + Log.e(TAG, "No process name sent over"); + return; + } + + NotificationManager nm = NotificationManager.from(context); + nm.createNotificationChannel( + new NotificationChannel(NOTIFICATION_CHANNEL_ID, + "Heap dumps", + NotificationManager.IMPORTANCE_DEFAULT)); + + final int titleId = isUserInitiated + ? com.android.internal.R.string.dump_heap_ready_notification + : com.android.internal.R.string.dump_heap_notification; + final String procDisplayName = uid == Process.SYSTEM_UID + ? context.getString(com.android.internal.R.string.android_system_label) + : procName; + String text = context.getString(titleId, procDisplayName); + + Intent shareIntent = new Intent(); + shareIntent.setClassName(context, HeapDumpActivity.class.getName()); + shareIntent.putExtra(EXTRA_PROCESS_NAME, procName); + shareIntent.putExtra(EXTRA_SIZE_BYTES, size); + shareIntent.putExtra(EXTRA_IS_USER_INITIATED, isUserInitiated); + shareIntent.putExtra(Intent.EXTRA_UID, uid); + if (reportPackage != null) { + shareIntent.putExtra(EXTRA_REPORT_PACKAGE, reportPackage); + } + final Notification.Builder builder = new Notification.Builder(context, + NOTIFICATION_CHANNEL_ID) + .setSmallIcon( + isTv(context) ? R.drawable.ic_bug_report_black_24dp + : com.android.internal.R.drawable.stat_sys_adb) + .setLocalOnly(true) + .setColor(context.getColor( + com.android.internal.R.color.system_notification_accent_color)) + .setContentTitle(text) + .setTicker(text) + .setAutoCancel(true) + .setContentText(context.getText( + com.android.internal.R.string.dump_heap_notification_detail)) + .setContentIntent(PendingIntent.getActivity(context, 2, shareIntent, + PendingIntent.FLAG_UPDATE_CURRENT)); + + Log.v(TAG, "Creating share heap dump notification"); + NotificationManager.from(context).notify(NOTIFICATION_ID, builder.build()); + } +} |