SystemServer.java revision 2d94231ef91c732f649ff7af9520ee9eac441b16
1/* 2 * Copyright (C) 2006 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 */ 16 17package com.android.server; 18 19import com.android.server.am.ActivityManagerService; 20import com.android.server.sip.SipService; 21import com.android.internal.os.BinderInternal; 22import com.android.internal.os.SamplingProfilerIntegration; 23 24import dalvik.system.VMRuntime; 25import dalvik.system.Zygote; 26 27import android.app.ActivityManagerNative; 28import android.bluetooth.BluetoothAdapter; 29import android.content.ComponentName; 30import android.content.ContentResolver; 31import android.content.ContentService; 32import android.content.Context; 33import android.content.Intent; 34import android.content.pm.IPackageManager; 35import android.database.ContentObserver; 36import android.database.Cursor; 37import android.media.AudioService; 38import android.os.*; 39import android.provider.Contacts.People; 40import android.provider.Settings; 41import android.server.BluetoothA2dpService; 42import android.server.BluetoothService; 43import android.server.search.SearchManagerService; 44import android.util.EventLog; 45import android.util.Slog; 46import android.accounts.AccountManagerService; 47 48import java.io.File; 49import java.util.Timer; 50import java.util.TimerTask; 51 52class ServerThread extends Thread { 53 private static final String TAG = "SystemServer"; 54 private final static boolean INCLUDE_DEMO = false; 55 56 private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010; 57 58 private ContentResolver mContentResolver; 59 60 private class AdbSettingsObserver extends ContentObserver { 61 public AdbSettingsObserver() { 62 super(null); 63 } 64 @Override 65 public void onChange(boolean selfChange) { 66 boolean enableAdb = (Settings.Secure.getInt(mContentResolver, 67 Settings.Secure.ADB_ENABLED, 0) > 0); 68 // setting this secure property will start or stop adbd 69 SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0"); 70 } 71 } 72 73 @Override 74 public void run() { 75 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 76 SystemClock.uptimeMillis()); 77 78 Looper.prepare(); 79 80 android.os.Process.setThreadPriority( 81 android.os.Process.THREAD_PRIORITY_FOREGROUND); 82 83 BinderInternal.disableBackgroundScheduling(true); 84 android.os.Process.setCanSelfBackground(false); 85 86 String factoryTestStr = SystemProperties.get("ro.factorytest"); 87 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 88 : Integer.parseInt(factoryTestStr); 89 90 LightsService lights = null; 91 PowerManagerService power = null; 92 BatteryService battery = null; 93 ConnectivityService connectivity = null; 94 IPackageManager pm = null; 95 Context context = null; 96 WindowManagerService wm = null; 97 BluetoothService bluetooth = null; 98 BluetoothA2dpService bluetoothA2dp = null; 99 HeadsetObserver headset = null; 100 DockObserver dock = null; 101 UsbObserver usb = null; 102 UiModeManagerService uiMode = null; 103 RecognitionManagerService recognition = null; 104 ThrottleService throttle = null; 105 106 // Critical services... 107 try { 108 Slog.i(TAG, "Entropy Service"); 109 ServiceManager.addService("entropy", new EntropyService()); 110 111 Slog.i(TAG, "Power Manager"); 112 power = new PowerManagerService(); 113 ServiceManager.addService(Context.POWER_SERVICE, power); 114 115 Slog.i(TAG, "Activity Manager"); 116 context = ActivityManagerService.main(factoryTest); 117 118 Slog.i(TAG, "Telephony Registry"); 119 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 120 121 AttributeCache.init(context); 122 123 Slog.i(TAG, "Package Manager"); 124 pm = PackageManagerService.main(context, 125 factoryTest != SystemServer.FACTORY_TEST_OFF); 126 127 ActivityManagerService.setSystemProcess(); 128 129 mContentResolver = context.getContentResolver(); 130 131 // The AccountManager must come before the ContentService 132 try { 133 Slog.i(TAG, "Account Manager"); 134 ServiceManager.addService(Context.ACCOUNT_SERVICE, 135 new AccountManagerService(context)); 136 } catch (Throwable e) { 137 Slog.e(TAG, "Failure starting Account Manager", e); 138 } 139 140 Slog.i(TAG, "Content Manager"); 141 ContentService.main(context, 142 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 143 144 Slog.i(TAG, "System Content Providers"); 145 ActivityManagerService.installSystemProviders(); 146 147 Slog.i(TAG, "Battery Service"); 148 battery = new BatteryService(context); 149 ServiceManager.addService("battery", battery); 150 151 Slog.i(TAG, "Lights Service"); 152 lights = new LightsService(context); 153 154 Slog.i(TAG, "Vibrator Service"); 155 ServiceManager.addService("vibrator", new VibratorService(context)); 156 157 // only initialize the power service after we have started the 158 // lights service, content providers and the battery service. 159 power.init(context, lights, ActivityManagerService.getDefault(), battery); 160 161 Slog.i(TAG, "Alarm Manager"); 162 AlarmManagerService alarm = new AlarmManagerService(context); 163 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 164 165 Slog.i(TAG, "Init Watchdog"); 166 Watchdog.getInstance().init(context, battery, power, alarm, 167 ActivityManagerService.self()); 168 169 Slog.i(TAG, "Window Manager"); 170 wm = WindowManagerService.main(context, power, 171 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL); 172 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 173 174 ((ActivityManagerService)ServiceManager.getService("activity")) 175 .setWindowManager(wm); 176 177 // Skip Bluetooth if we have an emulator kernel 178 // TODO: Use a more reliable check to see if this product should 179 // support Bluetooth - see bug 988521 180 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 181 Slog.i(TAG, "Registering null Bluetooth Service (emulator)"); 182 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null); 183 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 184 Slog.i(TAG, "Registering null Bluetooth Service (factory test)"); 185 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null); 186 } else { 187 Slog.i(TAG, "Bluetooth Service"); 188 bluetooth = new BluetoothService(context); 189 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 190 bluetooth.initAfterRegistration(); 191 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 192 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 193 bluetoothA2dp); 194 195 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 196 Settings.Secure.BLUETOOTH_ON, 0); 197 if (bluetoothOn > 0) { 198 bluetooth.enable(); 199 } 200 } 201 202 } catch (RuntimeException e) { 203 Slog.e("System", "Failure starting core service", e); 204 } 205 206 DevicePolicyManagerService devicePolicy = null; 207 StatusBarManagerService statusBar = null; 208 InputMethodManagerService imm = null; 209 AppWidgetService appWidget = null; 210 NotificationManagerService notification = null; 211 WallpaperManagerService wallpaper = null; 212 LocationManagerService location = null; 213 214 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 215 try { 216 Slog.i(TAG, "Device Policy"); 217 devicePolicy = new DevicePolicyManagerService(context); 218 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 219 } catch (Throwable e) { 220 Slog.e(TAG, "Failure starting DevicePolicyService", e); 221 } 222 223 try { 224 Slog.i(TAG, "Status Bar"); 225 statusBar = new StatusBarManagerService(context); 226 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 227 } catch (Throwable e) { 228 Slog.e(TAG, "Failure starting StatusBarManagerService", e); 229 } 230 231 try { 232 Slog.i(TAG, "Clipboard Service"); 233 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 234 new ClipboardService(context)); 235 } catch (Throwable e) { 236 Slog.e(TAG, "Failure starting Clipboard Service", e); 237 } 238 239 try { 240 Slog.i(TAG, "Input Method Service"); 241 imm = new InputMethodManagerService(context, statusBar); 242 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 243 } catch (Throwable e) { 244 Slog.e(TAG, "Failure starting Input Manager Service", e); 245 } 246 247 try { 248 Slog.i(TAG, "NetStat Service"); 249 ServiceManager.addService("netstat", new NetStatService(context)); 250 } catch (Throwable e) { 251 Slog.e(TAG, "Failure starting NetStat Service", e); 252 } 253 254 try { 255 Slog.i(TAG, "NetworkManagement Service"); 256 ServiceManager.addService( 257 Context.NETWORKMANAGEMENT_SERVICE, new NetworkManagementService(context)); 258 } catch (Throwable e) { 259 Slog.e(TAG, "Failure starting NetworkManagement Service", e); 260 } 261 262 try { 263 Slog.i(TAG, "Connectivity Service"); 264 connectivity = ConnectivityService.getInstance(context); 265 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 266 } catch (Throwable e) { 267 Slog.e(TAG, "Failure starting Connectivity Service", e); 268 } 269 270 try { 271 Slog.i(TAG, "Throttle Service"); 272 throttle = new ThrottleService(context); 273 ServiceManager.addService( 274 Context.THROTTLE_SERVICE, throttle); 275 } catch (Throwable e) { 276 Slog.e(TAG, "Failure starting ThrottleService", e); 277 } 278 279 try { 280 Slog.i(TAG, "Accessibility Manager"); 281 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 282 new AccessibilityManagerService(context)); 283 } catch (Throwable e) { 284 Slog.e(TAG, "Failure starting Accessibility Manager", e); 285 } 286 287 try { 288 /* 289 * NotificationManagerService is dependant on MountService, 290 * (for media / usb notifications) so we must start MountService first. 291 */ 292 Slog.i(TAG, "Mount Service"); 293 ServiceManager.addService("mount", new MountService(context)); 294 } catch (Throwable e) { 295 Slog.e(TAG, "Failure starting Mount Service", e); 296 } 297 298 try { 299 Slog.i(TAG, "Notification Manager"); 300 notification = new NotificationManagerService(context, statusBar, lights); 301 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 302 } catch (Throwable e) { 303 Slog.e(TAG, "Failure starting Notification Manager", e); 304 } 305 306 try { 307 Slog.i(TAG, "Device Storage Monitor"); 308 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 309 new DeviceStorageMonitorService(context)); 310 } catch (Throwable e) { 311 Slog.e(TAG, "Failure starting DeviceStorageMonitor service", e); 312 } 313 314 try { 315 Slog.i(TAG, "Location Manager"); 316 location = new LocationManagerService(context); 317 ServiceManager.addService(Context.LOCATION_SERVICE, location); 318 } catch (Throwable e) { 319 Slog.e(TAG, "Failure starting Location Manager", e); 320 } 321 322 try { 323 Slog.i(TAG, "Search Service"); 324 ServiceManager.addService(Context.SEARCH_SERVICE, 325 new SearchManagerService(context)); 326 } catch (Throwable e) { 327 Slog.e(TAG, "Failure starting Search Service", e); 328 } 329 330 if (INCLUDE_DEMO) { 331 Slog.i(TAG, "Installing demo data..."); 332 (new DemoThread(context)).start(); 333 } 334 335 try { 336 Slog.i(TAG, "DropBox Service"); 337 ServiceManager.addService(Context.DROPBOX_SERVICE, 338 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 339 } catch (Throwable e) { 340 Slog.e(TAG, "Failure starting DropBoxManagerService", e); 341 } 342 343 try { 344 Slog.i(TAG, "Wallpaper Service"); 345 wallpaper = new WallpaperManagerService(context); 346 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 347 } catch (Throwable e) { 348 Slog.e(TAG, "Failure starting Wallpaper Service", e); 349 } 350 351 try { 352 Slog.i(TAG, "Audio Service"); 353 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 354 } catch (Throwable e) { 355 Slog.e(TAG, "Failure starting Audio Service", e); 356 } 357 358 try { 359 Slog.i(TAG, "Headset Observer"); 360 // Listen for wired headset changes 361 headset = new HeadsetObserver(context); 362 } catch (Throwable e) { 363 Slog.e(TAG, "Failure starting HeadsetObserver", e); 364 } 365 366 try { 367 Slog.i(TAG, "Dock Observer"); 368 // Listen for dock station changes 369 dock = new DockObserver(context, power); 370 } catch (Throwable e) { 371 Slog.e(TAG, "Failure starting DockObserver", e); 372 } 373 374 try { 375 Slog.i(TAG, "USB Observer"); 376 // Listen for USB changes 377 usb = new UsbObserver(context); 378 } catch (Throwable e) { 379 Slog.e(TAG, "Failure starting UsbObserver", e); 380 } 381 382 try { 383 Slog.i(TAG, "UI Mode Manager Service"); 384 // Listen for UI mode changes 385 uiMode = new UiModeManagerService(context); 386 } catch (Throwable e) { 387 Slog.e(TAG, "Failure starting UiModeManagerService", e); 388 } 389 390 try { 391 Slog.i(TAG, "Backup Service"); 392 ServiceManager.addService(Context.BACKUP_SERVICE, 393 new BackupManagerService(context)); 394 } catch (Throwable e) { 395 Slog.e(TAG, "Failure starting Backup Service", e); 396 } 397 398 try { 399 Slog.i(TAG, "AppWidget Service"); 400 appWidget = new AppWidgetService(context); 401 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 402 } catch (Throwable e) { 403 Slog.e(TAG, "Failure starting AppWidget Service", e); 404 } 405 406 try { 407 Slog.i(TAG, "Recognition Service"); 408 recognition = new RecognitionManagerService(context); 409 } catch (Throwable e) { 410 Slog.e(TAG, "Failure starting Recognition Service", e); 411 } 412 413 try { 414 Slog.i(TAG, "DiskStats Service"); 415 ServiceManager.addService("diskstats", new DiskStatsService(context)); 416 } catch (Throwable e) { 417 Slog.e(TAG, "Failure starting DiskStats Service", e); 418 } 419 420 try { 421 Slog.i(TAG, "Sip Service"); 422 ServiceManager.addService("sip", new SipService(context)); 423 } catch (Throwable e) { 424 Slog.e(TAG, "Failure starting DiskStats Service", e); 425 } 426 } 427 428 // make sure the ADB_ENABLED setting value matches the secure property value 429 Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED, 430 "1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0); 431 432 // register observer to listen for settings changes 433 mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED), 434 false, new AdbSettingsObserver()); 435 436 // Before things start rolling, be sure we have decided whether 437 // we are in safe mode. 438 final boolean safeMode = wm.detectSafeMode(); 439 if (safeMode) { 440 try { 441 ActivityManagerNative.getDefault().enterSafeMode(); 442 // Post the safe mode state in the Zygote class 443 Zygote.systemInSafeMode = true; 444 // Disable the JIT for the system_server process 445 VMRuntime.getRuntime().disableJitCompilation(); 446 } catch (RemoteException e) { 447 } 448 } else { 449 // Enable the JIT for the system_server process 450 VMRuntime.getRuntime().startJitCompilation(); 451 } 452 453 // It is now time to start up the app processes... 454 455 if (devicePolicy != null) { 456 devicePolicy.systemReady(); 457 } 458 459 if (notification != null) { 460 notification.systemReady(); 461 } 462 463 if (statusBar != null) { 464 statusBar.systemReady(); 465 } 466 wm.systemReady(); 467 power.systemReady(); 468 try { 469 pm.systemReady(); 470 } catch (RemoteException e) { 471 } 472 473 // These are needed to propagate to the runnable below. 474 final StatusBarManagerService statusBarF = statusBar; 475 final BatteryService batteryF = battery; 476 final ConnectivityService connectivityF = connectivity; 477 final DockObserver dockF = dock; 478 final UsbObserver usbF = usb; 479 final ThrottleService throttleF = throttle; 480 final UiModeManagerService uiModeF = uiMode; 481 final AppWidgetService appWidgetF = appWidget; 482 final WallpaperManagerService wallpaperF = wallpaper; 483 final InputMethodManagerService immF = imm; 484 final RecognitionManagerService recognitionF = recognition; 485 final LocationManagerService locationF = location; 486 487 // We now tell the activity manager it is okay to run third party 488 // code. It will call back into us once it has gotten to the state 489 // where third party code can really run (but before it has actually 490 // started launching the initial applications), for us to complete our 491 // initialization. 492 ((ActivityManagerService)ActivityManagerNative.getDefault()) 493 .systemReady(new Runnable() { 494 public void run() { 495 Slog.i(TAG, "Making services ready"); 496 497 if (statusBarF != null) statusBarF.systemReady2(); 498 if (batteryF != null) batteryF.systemReady(); 499 if (connectivityF != null) connectivityF.systemReady(); 500 if (dockF != null) dockF.systemReady(); 501 if (usbF != null) usbF.systemReady(); 502 if (uiModeF != null) uiModeF.systemReady(); 503 if (recognitionF != null) recognitionF.systemReady(); 504 Watchdog.getInstance().start(); 505 506 // It is now okay to let the various system services start their 507 // third party code... 508 509 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 510 if (wallpaperF != null) wallpaperF.systemReady(); 511 if (immF != null) immF.systemReady(); 512 if (locationF != null) locationF.systemReady(); 513 if (throttleF != null) throttleF.systemReady(); 514 } 515 }); 516 517 Looper.loop(); 518 Slog.d(TAG, "System ServerThread is exiting!"); 519 } 520} 521 522class DemoThread extends Thread 523{ 524 DemoThread(Context context) 525 { 526 mContext = context; 527 } 528 529 @Override 530 public void run() 531 { 532 try { 533 Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null); 534 boolean hasData = c != null && c.moveToFirst(); 535 if (c != null) { 536 c.deactivate(); 537 } 538 if (!hasData) { 539 DemoDataSet dataset = new DemoDataSet(); 540 dataset.add(mContext); 541 } 542 } catch (Throwable e) { 543 Slog.e("SystemServer", "Failure installing demo data", e); 544 } 545 546 } 547 548 Context mContext; 549} 550 551public class SystemServer 552{ 553 private static final String TAG = "SystemServer"; 554 555 public static final int FACTORY_TEST_OFF = 0; 556 public static final int FACTORY_TEST_LOW_LEVEL = 1; 557 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 558 559 static Timer timer; 560 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 561 562 /** 563 * This method is called from Zygote to initialize the system. This will cause the native 564 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 565 * up into init2() to start the Android services. 566 */ 567 native public static void init1(String[] args); 568 569 public static void main(String[] args) { 570 if (SamplingProfilerIntegration.isEnabled()) { 571 SamplingProfilerIntegration.start(); 572 timer = new Timer(); 573 timer.schedule(new TimerTask() { 574 @Override 575 public void run() { 576 SamplingProfilerIntegration.writeSnapshot("system_server"); 577 } 578 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 579 } 580 581 // The system server has to run all of the time, so it needs to be 582 // as efficient as possible with its memory usage. 583 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 584 585 System.loadLibrary("android_servers"); 586 init1(args); 587 } 588 589 public static final void init2() { 590 Slog.i(TAG, "Entered the Android system server!"); 591 Thread thr = new ServerThread(); 592 thr.setName("android.server.ServerThread"); 593 thr.start(); 594 } 595} 596