19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 23d40df335e4c0df972720271a84277077f168f65Dan Egnor * Copyright (C) 2009 The Android Open Source Project 33d40df335e4c0df972720271a84277077f168f65Dan Egnor * 43d40df335e4c0df972720271a84277077f168f65Dan Egnor * Licensed under the Apache License, Version 2.0 (the "License"); 53d40df335e4c0df972720271a84277077f168f65Dan Egnor * you may not use this file except in compliance with the License. 63d40df335e4c0df972720271a84277077f168f65Dan Egnor * You may obtain a copy of the License at 73d40df335e4c0df972720271a84277077f168f65Dan Egnor * 83d40df335e4c0df972720271a84277077f168f65Dan Egnor * http://www.apache.org/licenses/LICENSE-2.0 93d40df335e4c0df972720271a84277077f168f65Dan Egnor * 103d40df335e4c0df972720271a84277077f168f65Dan Egnor * Unless required by applicable law or agreed to in writing, software 113d40df335e4c0df972720271a84277077f168f65Dan Egnor * distributed under the License is distributed on an "AS IS" BASIS, 123d40df335e4c0df972720271a84277077f168f65Dan Egnor * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133d40df335e4c0df972720271a84277077f168f65Dan Egnor * See the License for the specific language governing permissions and 143d40df335e4c0df972720271a84277077f168f65Dan Egnor * limitations under the License. 153d40df335e4c0df972720271a84277077f168f65Dan Egnor */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.server; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 193d40df335e4c0df972720271a84277077f168f65Dan Egnorimport android.content.BroadcastReceiver; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 22492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnorimport android.content.SharedPreferences; 233d40df335e4c0df972720271a84277077f168f65Dan Egnorimport android.os.Build; 243d40df335e4c0df972720271a84277077f168f65Dan Egnorimport android.os.DropBoxManager; 25492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnorimport android.os.FileObserver; 263d40df335e4c0df972720271a84277077f168f65Dan Egnorimport android.os.FileUtils; 271af33d0ddc2f50ade146e4d48e2feb6f1d553427Doug Zongkerimport android.os.RecoverySystem; 283d40df335e4c0df972720271a84277077f168f65Dan Egnorimport android.os.SystemProperties; 29948eef82546c15086d0b78ce18ee874aa5c634f7Jeff Sharkeyimport android.provider.Downloads; 308a9b22056b13477f59df934928c00c58b5871c95Joe Onoratoimport android.util.Slog; 313d40df335e4c0df972720271a84277077f168f65Dan Egnor 323d40df335e4c0df972720271a84277077f168f65Dan Egnorimport java.io.File; 333d40df335e4c0df972720271a84277077f168f65Dan Egnorimport java.io.IOException; 343d40df335e4c0df972720271a84277077f168f65Dan Egnor 353d40df335e4c0df972720271a84277077f168f65Dan Egnor/** 363d40df335e4c0df972720271a84277077f168f65Dan Egnor * Performs a number of miscellaneous, non-system-critical actions 373d40df335e4c0df972720271a84277077f168f65Dan Egnor * after the system has finished booting. 383d40df335e4c0df972720271a84277077f168f65Dan Egnor */ 393d40df335e4c0df972720271a84277077f168f65Dan Egnorpublic class BootReceiver extends BroadcastReceiver { 403d40df335e4c0df972720271a84277077f168f65Dan Egnor private static final String TAG = "BootReceiver"; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 420132a952f75a88582f4437b2c97039b71456f828Dave Burke // Maximum size of a logged event (files get truncated if they're longer). 430132a952f75a88582f4437b2c97039b71456f828Dave Burke // Give userdebug builds a larger max to capture extra debug, esp. for last_kmsg. 440132a952f75a88582f4437b2c97039b71456f828Dave Burke private static final int LOG_SIZE = 450132a952f75a88582f4437b2c97039b71456f828Dave Burke SystemProperties.getInt("ro.debuggable", 0) == 1 ? 98304 : 65536; 4642471dd5552a346dd82a58a663159875ccc4fb79Dan Egnor 47492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor private static final File TOMBSTONE_DIR = new File("/data/tombstones"); 48492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor 49944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker // The pre-froyo package and class of the system updater, which 50944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker // ran in the system process. We need to remove its packages here 51944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker // in order to clean up after a pre-froyo-to-froyo update. 52944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker private static final String OLD_UPDATER_PACKAGE = 53944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker "com.google.android.systemupdater"; 54944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker private static final String OLD_UPDATER_CLASS = 55944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker "com.google.android.systemupdater.SystemUpdateReceiver"; 56944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker 57492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor // Keep a reference to the observer so the finalizer doesn't disable it. 58492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor private static FileObserver sTombstoneObserver = null; 59492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 61c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor public void onReceive(final Context context, Intent intent) { 62c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor // Log boot events in the background to avoid blocking the main thread with I/O 63c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor new Thread() { 64c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor @Override 65c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor public void run() { 66c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor try { 67c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor logBootEvents(context); 68c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor } catch (Exception e) { 69c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor Slog.e(TAG, "Can't log boot events", e); 70c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor } 71944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker try { 72944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker removeOldUpdatePackages(context); 73944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker } catch (Exception e) { 74944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker Slog.e(TAG, "Can't remove old update packages", e); 75944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker } 76944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker 77c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor } 78c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor }.start(); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 81948eef82546c15086d0b78ce18ee874aa5c634f7Jeff Sharkey private void removeOldUpdatePackages(Context context) { 82948eef82546c15086d0b78ce18ee874aa5c634f7Jeff Sharkey Downloads.removeAllDownloadsByPackage(context, OLD_UPDATER_PACKAGE, OLD_UPDATER_CLASS); 83944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker } 84944ff0b788bf1702bad38d21cc2b83a9985dd112Doug Zongker 85492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor private void logBootEvents(Context ctx) throws IOException { 86492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor final DropBoxManager db = (DropBoxManager) ctx.getSystemService(Context.DROPBOX_SERVICE); 87492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor final SharedPreferences prefs = ctx.getSharedPreferences("log_files", Context.MODE_PRIVATE); 88c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor final String headers = new StringBuilder(512) 89492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append("Build: ").append(Build.FINGERPRINT).append("\n") 90492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append("Hardware: ").append(Build.BOARD).append("\n") 918b2c916a8dc2370ce700a577d999f1a0fd848735Colin Cross .append("Revision: ") 928b2c916a8dc2370ce700a577d999f1a0fd848735Colin Cross .append(SystemProperties.get("ro.revision", "")).append("\n") 93492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append("Bootloader: ").append(Build.BOOTLOADER).append("\n") 94492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append("Radio: ").append(Build.RADIO).append("\n") 95492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append("Kernel: ") 96492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor .append(FileUtils.readTextFile(new File("/proc/version"), 1024, "...\n")) 97c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor .append("\n").toString(); 983d40df335e4c0df972720271a84277077f168f65Dan Egnor 99c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor String recovery = RecoverySystem.handleAftermath(); 100c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (recovery != null && db != null) { 101c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor db.addText("SYSTEM_RECOVERY_LOG", headers + recovery); 102c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor } 1033d40df335e4c0df972720271a84277077f168f65Dan Egnor 1043d40df335e4c0df972720271a84277077f168f65Dan Egnor if (SystemProperties.getLong("ro.runtime.firstboot", 0) == 0) { 1053d40df335e4c0df972720271a84277077f168f65Dan Egnor String now = Long.toString(System.currentTimeMillis()); 1063d40df335e4c0df972720271a84277077f168f65Dan Egnor SystemProperties.set("ro.runtime.firstboot", now); 107c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (db != null) db.addText("SYSTEM_BOOT", headers); 108289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor 109289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor // Negative sizes mean to take the *tail* of the file (see FileUtils.readTextFile()) 110c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, "/proc/last_kmsg", 111289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor -LOG_SIZE, "SYSTEM_LAST_KMSG"); 112c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, "/cache/recovery/log", 113289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor -LOG_SIZE, "SYSTEM_RECOVERY_LOG"); 114c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, "/data/dontpanic/apanic_console", 115289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor -LOG_SIZE, "APANIC_CONSOLE"); 116c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, "/data/dontpanic/apanic_threads", 117289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor -LOG_SIZE, "APANIC_THREADS"); 1183d40df335e4c0df972720271a84277077f168f65Dan Egnor } else { 119c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (db != null) db.addText("SYSTEM_RESTART", headers); 120492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor } 121492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor 122492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor // Scan existing tombstones (in case any new ones appeared) 123492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor File[] tombstoneFiles = TOMBSTONE_DIR.listFiles(); 124492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor for (int i = 0; tombstoneFiles != null && i < tombstoneFiles.length; i++) { 125c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, tombstoneFiles[i].getPath(), 126289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor LOG_SIZE, "SYSTEM_TOMBSTONE"); 1273d40df335e4c0df972720271a84277077f168f65Dan Egnor } 1283d40df335e4c0df972720271a84277077f168f65Dan Egnor 129492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor // Start watching for new tombstone files; will record them as they occur. 130492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor // This gets registered with the singleton file observer thread. 131492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor sTombstoneObserver = new FileObserver(TOMBSTONE_DIR.getPath(), FileObserver.CLOSE_WRITE) { 132492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor @Override 133492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor public void onEvent(int event, String path) { 134492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor try { 135492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor String filename = new File(TOMBSTONE_DIR, path).getPath(); 136c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor addFileToDropBox(db, prefs, headers, filename, LOG_SIZE, "SYSTEM_TOMBSTONE"); 137492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor } catch (IOException e) { 1388a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.e(TAG, "Can't log tombstone", e); 139492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor } 140492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor } 141492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor }; 142492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor 143492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor sTombstoneObserver.startWatching(); 1443d40df335e4c0df972720271a84277077f168f65Dan Egnor } 1453d40df335e4c0df972720271a84277077f168f65Dan Egnor 146492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor private static void addFileToDropBox( 147492c6ed5b64cfdd72dc270e6b848025a26eff724Dan Egnor DropBoxManager db, SharedPreferences prefs, 148289e58051dd575cee601c38d6816b9ecd745b505Dan Egnor String headers, String filename, int maxSize, String tag) throws IOException { 149c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (db == null || !db.isTagEnabled(tag)) return; // Logging disabled 1503d40df335e4c0df972720271a84277077f168f65Dan Egnor 1513d40df335e4c0df972720271a84277077f168f65Dan Egnor File file = new File(filename); 1523d40df335e4c0df972720271a84277077f168f65Dan Egnor long fileTime = file.lastModified(); 1533d40df335e4c0df972720271a84277077f168f65Dan Egnor if (fileTime <= 0) return; // File does not exist 1543d40df335e4c0df972720271a84277077f168f65Dan Egnor 155c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (prefs != null) { 156c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor long lastTime = prefs.getLong(filename, 0); 157c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor if (lastTime == fileTime) return; // Already logged this particular file 158333b8cba996c8ebb8ca55ebfc5cc536bdd64af94Brad Fitzpatrick // TODO: move all these SharedPreferences Editor commits 159333b8cba996c8ebb8ca55ebfc5cc536bdd64af94Brad Fitzpatrick // outside this function to the end of logBootEvents 16066fce5068a8a3aeb28aaf713843891b286a75280Brad Fitzpatrick prefs.edit().putLong(filename, fileTime).apply(); 161c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor } 16242471dd5552a346dd82a58a663159875ccc4fb79Dan Egnor 163c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor Slog.i(TAG, "Copying " + filename + " to DropBox (" + tag + ")"); 164c95142d4a0ab7bebb899167da17c70c3196abbe4Dan Egnor db.addText(tag, headers + FileUtils.readTextFile(file, maxSize, "[[TRUNCATED]]\n")); 1653d40df335e4c0df972720271a84277077f168f65Dan Egnor } 1663d40df335e4c0df972720271a84277077f168f65Dan Egnor} 167