The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 16 | |
| 17 | package com.android.server; |
| 18 | |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 19 | import android.content.BroadcastReceiver; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 20 | import android.content.ContentResolver; |
| 21 | import android.content.Context; |
| 22 | import android.content.Intent; |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 23 | import android.content.SharedPreferences; |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 24 | import android.os.Build; |
| 25 | import android.os.DropBoxManager; |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 26 | import android.os.FileObserver; |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 27 | import android.os.FileUtils; |
Doug Zongker | 1af33d0 | 2010-01-05 11:28:55 -0800 | [diff] [blame] | 28 | import android.os.RecoverySystem; |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 29 | import android.os.SystemProperties; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | import android.provider.Settings; |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 31 | import android.util.Slog; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 33 | import java.io.File; |
| 34 | import java.io.IOException; |
| 35 | |
| 36 | /** |
| 37 | * Performs a number of miscellaneous, non-system-critical actions |
| 38 | * after the system has finished booting. |
| 39 | */ |
| 40 | public class BootReceiver extends BroadcastReceiver { |
| 41 | private static final String TAG = "BootReceiver"; |
| 42 | |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 43 | // Maximum size of a logged event (files get truncated if they're longer) |
| 44 | private static final int LOG_SIZE = 65536; |
Dan Egnor | 42471dd | 2010-01-07 17:25:22 -0800 | [diff] [blame] | 45 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 46 | private static final File TOMBSTONE_DIR = new File("/data/tombstones"); |
| 47 | |
| 48 | // Keep a reference to the observer so the finalizer doesn't disable it. |
| 49 | private static FileObserver sTombstoneObserver = null; |
| 50 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | @Override |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 52 | public void onReceive(Context context, Intent intent) { |
| 53 | try { |
| 54 | logBootEvents(context); |
| 55 | } catch (Exception e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 56 | Slog.e(TAG, "Can't log boot events", e); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 57 | } |
| 58 | |
| 59 | try { |
| 60 | RecoverySystem.handleAftermath(); |
| 61 | } catch (Exception e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 62 | Slog.e(TAG, "Can't handle recovery aftermath", e); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | try { |
| 66 | // Start the load average overlay, if activated |
| 67 | ContentResolver res = context.getContentResolver(); |
| 68 | if (Settings.System.getInt(res, Settings.System.SHOW_PROCESSES, 0) != 0) { |
| 69 | Intent loadavg = new Intent(context, com.android.server.LoadAverageService.class); |
| 70 | context.startService(loadavg); |
| 71 | } |
| 72 | } catch (Exception e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 73 | Slog.e(TAG, "Can't start load average service", e); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | } |
| 75 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 76 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 77 | private void logBootEvents(Context ctx) throws IOException { |
| 78 | final DropBoxManager db = (DropBoxManager) ctx.getSystemService(Context.DROPBOX_SERVICE); |
| 79 | final SharedPreferences prefs = ctx.getSharedPreferences("log_files", Context.MODE_PRIVATE); |
| 80 | final String props = new StringBuilder() |
| 81 | .append("Build: ").append(Build.FINGERPRINT).append("\n") |
| 82 | .append("Hardware: ").append(Build.BOARD).append("\n") |
| 83 | .append("Bootloader: ").append(Build.BOOTLOADER).append("\n") |
| 84 | .append("Radio: ").append(Build.RADIO).append("\n") |
| 85 | .append("Kernel: ") |
| 86 | .append(FileUtils.readTextFile(new File("/proc/version"), 1024, "...\n")) |
| 87 | .toString(); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 88 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 89 | if (db == null || prefs == null) return; |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 90 | |
| 91 | if (SystemProperties.getLong("ro.runtime.firstboot", 0) == 0) { |
| 92 | String now = Long.toString(System.currentTimeMillis()); |
| 93 | SystemProperties.set("ro.runtime.firstboot", now); |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 94 | db.addText("SYSTEM_BOOT", props); |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 95 | |
| 96 | // Negative sizes mean to take the *tail* of the file (see FileUtils.readTextFile()) |
| 97 | addFileToDropBox(db, prefs, props, "/proc/last_kmsg", |
| 98 | -LOG_SIZE, "SYSTEM_LAST_KMSG"); |
| 99 | addFileToDropBox(db, prefs, props, "/cache/recovery/log", |
| 100 | -LOG_SIZE, "SYSTEM_RECOVERY_LOG"); |
| 101 | addFileToDropBox(db, prefs, props, "/data/dontpanic/apanic_console", |
| 102 | -LOG_SIZE, "APANIC_CONSOLE"); |
| 103 | addFileToDropBox(db, prefs, props, "/data/dontpanic/apanic_threads", |
| 104 | -LOG_SIZE, "APANIC_THREADS"); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 105 | } else { |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 106 | db.addText("SYSTEM_RESTART", props); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 107 | } |
| 108 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 109 | // Scan existing tombstones (in case any new ones appeared) |
| 110 | File[] tombstoneFiles = TOMBSTONE_DIR.listFiles(); |
| 111 | for (int i = 0; tombstoneFiles != null && i < tombstoneFiles.length; i++) { |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 112 | addFileToDropBox(db, prefs, props, tombstoneFiles[i].getPath(), |
| 113 | LOG_SIZE, "SYSTEM_TOMBSTONE"); |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | // Start watching for new tombstone files; will record them as they occur. |
| 117 | // This gets registered with the singleton file observer thread. |
| 118 | sTombstoneObserver = new FileObserver(TOMBSTONE_DIR.getPath(), FileObserver.CLOSE_WRITE) { |
| 119 | @Override |
| 120 | public void onEvent(int event, String path) { |
| 121 | try { |
| 122 | String filename = new File(TOMBSTONE_DIR, path).getPath(); |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 123 | addFileToDropBox(db, prefs, props, filename, LOG_SIZE, "SYSTEM_TOMBSTONE"); |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 124 | } catch (IOException e) { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 125 | Slog.e(TAG, "Can't log tombstone", e); |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 126 | } |
| 127 | } |
| 128 | }; |
| 129 | |
| 130 | sTombstoneObserver.startWatching(); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 131 | } |
| 132 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 133 | private static void addFileToDropBox( |
| 134 | DropBoxManager db, SharedPreferences prefs, |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 135 | String headers, String filename, int maxSize, String tag) throws IOException { |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 136 | if (!db.isTagEnabled(tag)) return; // Slog.ing disabled |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 137 | |
| 138 | File file = new File(filename); |
| 139 | long fileTime = file.lastModified(); |
| 140 | if (fileTime <= 0) return; // File does not exist |
| 141 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 142 | long lastTime = prefs.getLong(filename, 0); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 143 | if (lastTime == fileTime) return; // Already logged this particular file |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 144 | prefs.edit().putLong(filename, fileTime).commit(); |
Dan Egnor | 42471dd | 2010-01-07 17:25:22 -0800 | [diff] [blame] | 145 | |
Dan Egnor | 492c6ed | 2010-01-27 14:52:57 -0800 | [diff] [blame] | 146 | StringBuilder report = new StringBuilder(headers).append("\n"); |
Dan Egnor | 289e580 | 2010-02-11 10:40:49 -0800 | [diff] [blame] | 147 | report.append(FileUtils.readTextFile(file, maxSize, "[[TRUNCATED]]\n")); |
Dan Egnor | 42471dd | 2010-01-07 17:25:22 -0800 | [diff] [blame] | 148 | db.addText(tag, report.toString()); |
Joe Onorato | 8a9b220 | 2010-02-26 18:56:32 -0800 | [diff] [blame^] | 149 | Slog.i(TAG, "Slog.ing " + filename + " to DropBox (" + tag + ")"); |
Dan Egnor | 3d40df3 | 2009-11-17 13:36:31 -0800 | [diff] [blame] | 150 | } |
| 151 | } |