SystemServer.java revision f69c812f49cb2dea296cd319984e58af026f4c3a
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 android.accounts.AccountManagerService; 20import android.app.ActivityManagerNative; 21import android.bluetooth.BluetoothAdapter; 22import android.content.ComponentName; 23import android.content.ContentResolver; 24import android.content.ContentService; 25import android.content.Context; 26import android.content.Intent; 27import android.content.pm.IPackageManager; 28import android.content.res.Configuration; 29import android.media.AudioService; 30import android.net.wifi.p2p.WifiP2pService; 31import android.os.Handler; 32import android.os.HandlerThread; 33import android.os.Looper; 34import android.os.RemoteException; 35import android.os.SchedulingPolicyService; 36import android.os.ServiceManager; 37import android.os.StrictMode; 38import android.os.SystemClock; 39import android.os.SystemProperties; 40import android.server.search.SearchManagerService; 41import android.service.dreams.DreamManagerService; 42import android.util.DisplayMetrics; 43import android.util.EventLog; 44import android.util.Log; 45import android.util.Slog; 46import android.view.WindowManager; 47 48import com.android.internal.os.BinderInternal; 49import com.android.internal.os.SamplingProfilerIntegration; 50import com.android.internal.widget.LockSettingsService; 51import com.android.server.accessibility.AccessibilityManagerService; 52import com.android.server.am.ActivityManagerService; 53import com.android.server.am.BatteryStatsService; 54import com.android.server.display.DisplayManagerService; 55import com.android.server.input.InputManagerService; 56import com.android.server.net.NetworkPolicyManagerService; 57import com.android.server.net.NetworkStatsService; 58import com.android.server.pm.Installer; 59import com.android.server.pm.PackageManagerService; 60import com.android.server.pm.UserManagerService; 61import com.android.server.power.PowerManagerService; 62import com.android.server.power.ShutdownThread; 63import com.android.server.usb.UsbService; 64import com.android.server.wm.WindowManagerService; 65 66import dalvik.system.VMRuntime; 67import dalvik.system.Zygote; 68 69import java.io.File; 70import java.util.Timer; 71import java.util.TimerTask; 72 73class ServerThread extends Thread { 74 private static final String TAG = "SystemServer"; 75 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 76 private static final String ENCRYPTED_STATE = "1"; 77 78 ContentResolver mContentResolver; 79 80 void reportWtf(String msg, Throwable e) { 81 Slog.w(TAG, "***********************************************"); 82 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 83 } 84 85 @Override 86 public void run() { 87 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 88 SystemClock.uptimeMillis()); 89 90 Looper.prepareMainLooper(); 91 92 android.os.Process.setThreadPriority( 93 android.os.Process.THREAD_PRIORITY_FOREGROUND); 94 95 BinderInternal.disableBackgroundScheduling(true); 96 android.os.Process.setCanSelfBackground(false); 97 98 // Check whether we failed to shut down last time we tried. 99 { 100 final String shutdownAction = SystemProperties.get( 101 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 102 if (shutdownAction != null && shutdownAction.length() > 0) { 103 boolean reboot = (shutdownAction.charAt(0) == '1'); 104 105 final String reason; 106 if (shutdownAction.length() > 1) { 107 reason = shutdownAction.substring(1, shutdownAction.length()); 108 } else { 109 reason = null; 110 } 111 112 ShutdownThread.rebootOrShutdown(reboot, reason); 113 } 114 } 115 116 String factoryTestStr = SystemProperties.get("ro.factorytest"); 117 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 118 : Integer.parseInt(factoryTestStr); 119 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 120 121 Installer installer = null; 122 AccountManagerService accountManager = null; 123 ContentService contentService = null; 124 LightsService lights = null; 125 PowerManagerService power = null; 126 DisplayManagerService display = null; 127 BatteryService battery = null; 128 VibratorService vibrator = null; 129 AlarmManagerService alarm = null; 130 MountService mountService = null; 131 NetworkManagementService networkManagement = null; 132 NetworkStatsService networkStats = null; 133 NetworkPolicyManagerService networkPolicy = null; 134 ConnectivityService connectivity = null; 135 WifiP2pService wifiP2p = null; 136 WifiService wifi = null; 137 NsdService serviceDiscovery= null; 138 IPackageManager pm = null; 139 Context context = null; 140 WindowManagerService wm = null; 141 BluetoothManagerService bluetooth = null; 142 DockObserver dock = null; 143 UsbService usb = null; 144 SerialService serial = null; 145 TwilightService twilight = null; 146 UiModeManagerService uiMode = null; 147 RecognitionManagerService recognition = null; 148 ThrottleService throttle = null; 149 NetworkTimeUpdateService networkTimeUpdater = null; 150 CommonTimeManagementService commonTimeMgmtService = null; 151 InputManagerService inputManager = null; 152 153 // Create a shared handler thread for UI within the system server. 154 // This thread is used by at least the following components: 155 // - WindowManagerPolicy 156 // - KeyguardViewManager 157 // - DisplayManagerService 158 HandlerThread uiHandlerThread = new HandlerThread("UI"); 159 uiHandlerThread.start(); 160 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 161 uiHandler.post(new Runnable() { 162 @Override 163 public void run() { 164 //Looper.myLooper().setMessageLogging(new LogPrinter( 165 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 166 android.os.Process.setThreadPriority( 167 android.os.Process.THREAD_PRIORITY_FOREGROUND); 168 android.os.Process.setCanSelfBackground(false); 169 170 // For debug builds, log event loop stalls to dropbox for analysis. 171 if (StrictMode.conditionallyEnableDebugLogging()) { 172 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 173 } 174 } 175 }); 176 177 // Create a handler thread just for the window manager to enjoy. 178 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 179 wmHandlerThread.start(); 180 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 181 wmHandler.post(new Runnable() { 182 @Override 183 public void run() { 184 //Looper.myLooper().setMessageLogging(new LogPrinter( 185 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 186 android.os.Process.setThreadPriority( 187 android.os.Process.THREAD_PRIORITY_DISPLAY); 188 android.os.Process.setCanSelfBackground(false); 189 190 // For debug builds, log event loop stalls to dropbox for analysis. 191 if (StrictMode.conditionallyEnableDebugLogging()) { 192 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 193 } 194 } 195 }); 196 197 // Critical services... 198 boolean onlyCore = false; 199 try { 200 // Wait for installd to finished starting up so that it has a chance to 201 // create critical directories such as /data/user with the appropriate 202 // permissions. We need this to complete before we initialize other services. 203 Slog.i(TAG, "Waiting for installd to be ready."); 204 installer = new Installer(); 205 installer.ping(); 206 207 Slog.i(TAG, "Entropy Mixer"); 208 ServiceManager.addService("entropy", new EntropyMixer()); 209 210 Slog.i(TAG, "Power Manager"); 211 power = new PowerManagerService(); 212 ServiceManager.addService(Context.POWER_SERVICE, power); 213 214 Slog.i(TAG, "Activity Manager"); 215 context = ActivityManagerService.main(factoryTest); 216 217 Slog.i(TAG, "Display Manager"); 218 display = new DisplayManagerService(context, wmHandler, uiHandler); 219 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 220 221 Slog.i(TAG, "Telephony Registry"); 222 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 223 224 Slog.i(TAG, "Scheduling Policy"); 225 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 226 new SchedulingPolicyService()); 227 228 AttributeCache.init(context); 229 230 if (!display.waitForDefaultDisplay()) { 231 reportWtf("Timeout waiting for default display to be initialized.", 232 new Throwable()); 233 } 234 235 Slog.i(TAG, "Package Manager"); 236 // Only run "core" apps if we're encrypting the device. 237 String cryptState = SystemProperties.get("vold.decrypt"); 238 if (ENCRYPTING_STATE.equals(cryptState)) { 239 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 240 onlyCore = true; 241 } else if (ENCRYPTED_STATE.equals(cryptState)) { 242 Slog.w(TAG, "Device encrypted - only parsing core apps"); 243 onlyCore = true; 244 } 245 246 pm = PackageManagerService.main(context, installer, 247 factoryTest != SystemServer.FACTORY_TEST_OFF, 248 onlyCore); 249 boolean firstBoot = false; 250 try { 251 firstBoot = pm.isFirstBoot(); 252 } catch (RemoteException e) { 253 } 254 255 ActivityManagerService.setSystemProcess(); 256 257 Slog.i(TAG, "User Service"); 258 ServiceManager.addService(Context.USER_SERVICE, 259 UserManagerService.getInstance()); 260 261 262 mContentResolver = context.getContentResolver(); 263 264 // The AccountManager must come before the ContentService 265 try { 266 Slog.i(TAG, "Account Manager"); 267 accountManager = new AccountManagerService(context); 268 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 269 } catch (Throwable e) { 270 Slog.e(TAG, "Failure starting Account Manager", e); 271 } 272 273 Slog.i(TAG, "Content Manager"); 274 contentService = ContentService.main(context, 275 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 276 277 Slog.i(TAG, "System Content Providers"); 278 ActivityManagerService.installSystemProviders(); 279 280 Slog.i(TAG, "Lights Service"); 281 lights = new LightsService(context); 282 283 Slog.i(TAG, "Battery Service"); 284 battery = new BatteryService(context, lights); 285 ServiceManager.addService("battery", battery); 286 287 Slog.i(TAG, "Vibrator Service"); 288 vibrator = new VibratorService(context); 289 ServiceManager.addService("vibrator", vibrator); 290 291 // only initialize the power service after we have started the 292 // lights service, content providers and the battery service. 293 power.init(context, lights, ActivityManagerService.self(), battery, 294 BatteryStatsService.getService(), display); 295 296 Slog.i(TAG, "Alarm Manager"); 297 alarm = new AlarmManagerService(context); 298 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 299 300 Slog.i(TAG, "Init Watchdog"); 301 Watchdog.getInstance().init(context, battery, power, alarm, 302 ActivityManagerService.self()); 303 304 Slog.i(TAG, "Window Manager"); 305 wm = WindowManagerService.main(context, power, display, 306 uiHandler, wmHandler, 307 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 308 !firstBoot, onlyCore); 309 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 310 inputManager = wm.getInputManagerService(); 311 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 312 313 ActivityManagerService.self().setWindowManager(wm); 314 display.setWindowManager(wm); 315 display.setInputManager(inputManager); 316 317 // Skip Bluetooth if we have an emulator kernel 318 // TODO: Use a more reliable check to see if this product should 319 // support Bluetooth - see bug 988521 320 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 321 Slog.i(TAG, "No Bluetooh Service (emulator)"); 322 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 323 Slog.i(TAG, "No Bluetooth Service (factory test)"); 324 } else { 325 Slog.i(TAG, "Bluetooth Manager Service"); 326 bluetooth = new BluetoothManagerService(context); 327 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 328 } 329 330 } catch (RuntimeException e) { 331 Slog.e("System", "******************************************"); 332 Slog.e("System", "************ Failure starting core service", e); 333 } 334 335 DevicePolicyManagerService devicePolicy = null; 336 StatusBarManagerService statusBar = null; 337 InputMethodManagerService imm = null; 338 AppWidgetService appWidget = null; 339 NotificationManagerService notification = null; 340 WallpaperManagerService wallpaper = null; 341 LocationManagerService location = null; 342 CountryDetectorService countryDetector = null; 343 TextServicesManagerService tsms = null; 344 LockSettingsService lockSettings = null; 345 DreamManagerService dreamy = null; 346 347 // Bring up services needed for UI. 348 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 349 try { 350 Slog.i(TAG, "Input Method Service"); 351 imm = new InputMethodManagerService(context, wm); 352 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 353 } catch (Throwable e) { 354 reportWtf("starting Input Manager Service", e); 355 } 356 357 try { 358 Slog.i(TAG, "Accessibility Manager"); 359 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 360 new AccessibilityManagerService(context)); 361 } catch (Throwable e) { 362 reportWtf("starting Accessibility Manager", e); 363 } 364 } 365 366 try { 367 wm.displayReady(); 368 } catch (Throwable e) { 369 reportWtf("making display ready", e); 370 } 371 372 try { 373 pm.performBootDexOpt(); 374 } catch (Throwable e) { 375 reportWtf("performing boot dexopt", e); 376 } 377 378 try { 379 ActivityManagerNative.getDefault().showBootMessage( 380 context.getResources().getText( 381 com.android.internal.R.string.android_upgrading_starting_apps), 382 false); 383 } catch (RemoteException e) { 384 } 385 386 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 387 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 388 try { 389 /* 390 * NotificationManagerService is dependant on MountService, 391 * (for media / usb notifications) so we must start MountService first. 392 */ 393 Slog.i(TAG, "Mount Service"); 394 mountService = new MountService(context); 395 ServiceManager.addService("mount", mountService); 396 } catch (Throwable e) { 397 reportWtf("starting Mount Service", e); 398 } 399 } 400 401 try { 402 Slog.i(TAG, "LockSettingsService"); 403 lockSettings = new LockSettingsService(context); 404 ServiceManager.addService("lock_settings", lockSettings); 405 } catch (Throwable e) { 406 reportWtf("starting LockSettingsService service", e); 407 } 408 409 try { 410 Slog.i(TAG, "Device Policy"); 411 devicePolicy = new DevicePolicyManagerService(context); 412 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 413 } catch (Throwable e) { 414 reportWtf("starting DevicePolicyService", e); 415 } 416 417 try { 418 Slog.i(TAG, "Status Bar"); 419 statusBar = new StatusBarManagerService(context, wm); 420 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 421 } catch (Throwable e) { 422 reportWtf("starting StatusBarManagerService", e); 423 } 424 425 try { 426 Slog.i(TAG, "Clipboard Service"); 427 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 428 new ClipboardService(context)); 429 } catch (Throwable e) { 430 reportWtf("starting Clipboard Service", e); 431 } 432 433 try { 434 Slog.i(TAG, "NetworkManagement Service"); 435 networkManagement = NetworkManagementService.create(context); 436 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 437 } catch (Throwable e) { 438 reportWtf("starting NetworkManagement Service", e); 439 } 440 441 try { 442 Slog.i(TAG, "Text Service Manager Service"); 443 tsms = new TextServicesManagerService(context); 444 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 445 } catch (Throwable e) { 446 reportWtf("starting Text Service Manager Service", e); 447 } 448 449 try { 450 Slog.i(TAG, "NetworkStats Service"); 451 networkStats = new NetworkStatsService(context, networkManagement, alarm); 452 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 453 } catch (Throwable e) { 454 reportWtf("starting NetworkStats Service", e); 455 } 456 457 try { 458 Slog.i(TAG, "NetworkPolicy Service"); 459 networkPolicy = new NetworkPolicyManagerService( 460 context, ActivityManagerService.self(), power, 461 networkStats, networkManagement); 462 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 463 } catch (Throwable e) { 464 reportWtf("starting NetworkPolicy Service", e); 465 } 466 467 try { 468 Slog.i(TAG, "Wi-Fi P2pService"); 469 wifiP2p = new WifiP2pService(context); 470 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 471 } catch (Throwable e) { 472 reportWtf("starting Wi-Fi P2pService", e); 473 } 474 475 try { 476 Slog.i(TAG, "Wi-Fi Service"); 477 wifi = new WifiService(context); 478 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 479 } catch (Throwable e) { 480 reportWtf("starting Wi-Fi Service", e); 481 } 482 483 try { 484 Slog.i(TAG, "Connectivity Service"); 485 connectivity = new ConnectivityService( 486 context, networkManagement, networkStats, networkPolicy); 487 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 488 networkStats.bindConnectivityManager(connectivity); 489 networkPolicy.bindConnectivityManager(connectivity); 490 wifi.checkAndStartWifi(); 491 wifiP2p.connectivityServiceReady(); 492 } catch (Throwable e) { 493 reportWtf("starting Connectivity Service", e); 494 } 495 496 try { 497 Slog.i(TAG, "Network Service Discovery Service"); 498 serviceDiscovery = NsdService.create(context); 499 ServiceManager.addService( 500 Context.NSD_SERVICE, serviceDiscovery); 501 } catch (Throwable e) { 502 reportWtf("starting Service Discovery Service", e); 503 } 504 505 try { 506 Slog.i(TAG, "Throttle Service"); 507 throttle = new ThrottleService(context); 508 ServiceManager.addService( 509 Context.THROTTLE_SERVICE, throttle); 510 } catch (Throwable e) { 511 reportWtf("starting ThrottleService", e); 512 } 513 514 try { 515 Slog.i(TAG, "UpdateLock Service"); 516 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 517 new UpdateLockService(context)); 518 } catch (Throwable e) { 519 reportWtf("starting UpdateLockService", e); 520 } 521 522 /* 523 * MountService has a few dependencies: Notification Manager and 524 * AppWidget Provider. Make sure MountService is completely started 525 * first before continuing. 526 */ 527 if (mountService != null) { 528 mountService.waitForAsecScan(); 529 } 530 531 try { 532 if (accountManager != null) 533 accountManager.systemReady(); 534 } catch (Throwable e) { 535 reportWtf("making Account Manager Service ready", e); 536 } 537 538 try { 539 if (contentService != null) 540 contentService.systemReady(); 541 } catch (Throwable e) { 542 reportWtf("making Content Service ready", e); 543 } 544 545 try { 546 Slog.i(TAG, "Notification Manager"); 547 notification = new NotificationManagerService(context, statusBar, lights); 548 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 549 networkPolicy.bindNotificationManager(notification); 550 } catch (Throwable e) { 551 reportWtf("starting Notification Manager", e); 552 } 553 554 try { 555 Slog.i(TAG, "Device Storage Monitor"); 556 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 557 new DeviceStorageMonitorService(context)); 558 } catch (Throwable e) { 559 reportWtf("starting DeviceStorageMonitor service", e); 560 } 561 562 try { 563 Slog.i(TAG, "Location Manager"); 564 location = new LocationManagerService(context); 565 ServiceManager.addService(Context.LOCATION_SERVICE, location); 566 } catch (Throwable e) { 567 reportWtf("starting Location Manager", e); 568 } 569 570 try { 571 Slog.i(TAG, "Country Detector"); 572 countryDetector = new CountryDetectorService(context); 573 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 574 } catch (Throwable e) { 575 reportWtf("starting Country Detector", e); 576 } 577 578 try { 579 Slog.i(TAG, "Search Service"); 580 ServiceManager.addService(Context.SEARCH_SERVICE, 581 new SearchManagerService(context)); 582 } catch (Throwable e) { 583 reportWtf("starting Search Service", e); 584 } 585 586 try { 587 Slog.i(TAG, "DropBox Service"); 588 ServiceManager.addService(Context.DROPBOX_SERVICE, 589 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 590 } catch (Throwable e) { 591 reportWtf("starting DropBoxManagerService", e); 592 } 593 594 if (context.getResources().getBoolean( 595 com.android.internal.R.bool.config_enableWallpaperService)) { 596 try { 597 Slog.i(TAG, "Wallpaper Service"); 598 if (!headless) { 599 wallpaper = new WallpaperManagerService(context); 600 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 601 } 602 } catch (Throwable e) { 603 reportWtf("starting Wallpaper Service", e); 604 } 605 } 606 607 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 608 try { 609 Slog.i(TAG, "Audio Service"); 610 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 611 } catch (Throwable e) { 612 reportWtf("starting Audio Service", e); 613 } 614 } 615 616 try { 617 Slog.i(TAG, "Dock Observer"); 618 // Listen for dock station changes 619 dock = new DockObserver(context); 620 } catch (Throwable e) { 621 reportWtf("starting DockObserver", e); 622 } 623 624 try { 625 Slog.i(TAG, "Wired Accessory Observer"); 626 // Listen for wired headset changes 627 new WiredAccessoryObserver(context); 628 } catch (Throwable e) { 629 reportWtf("starting WiredAccessoryObserver", e); 630 } 631 632 try { 633 Slog.i(TAG, "USB Service"); 634 // Manage USB host and device support 635 usb = new UsbService(context); 636 ServiceManager.addService(Context.USB_SERVICE, usb); 637 } catch (Throwable e) { 638 reportWtf("starting UsbService", e); 639 } 640 641 try { 642 Slog.i(TAG, "Serial Service"); 643 // Serial port support 644 serial = new SerialService(context); 645 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 646 } catch (Throwable e) { 647 Slog.e(TAG, "Failure starting SerialService", e); 648 } 649 650 try { 651 Slog.i(TAG, "Twilight Service"); 652 twilight = new TwilightService(context); 653 } catch (Throwable e) { 654 reportWtf("starting TwilightService", e); 655 } 656 657 try { 658 Slog.i(TAG, "UI Mode Manager Service"); 659 // Listen for UI mode changes 660 uiMode = new UiModeManagerService(context, twilight); 661 } catch (Throwable e) { 662 reportWtf("starting UiModeManagerService", e); 663 } 664 665 try { 666 Slog.i(TAG, "Backup Service"); 667 ServiceManager.addService(Context.BACKUP_SERVICE, 668 new BackupManagerService(context)); 669 } catch (Throwable e) { 670 Slog.e(TAG, "Failure starting Backup Service", e); 671 } 672 673 try { 674 Slog.i(TAG, "AppWidget Service"); 675 appWidget = new AppWidgetService(context); 676 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 677 } catch (Throwable e) { 678 reportWtf("starting AppWidget Service", e); 679 } 680 681 try { 682 Slog.i(TAG, "Recognition Service"); 683 recognition = new RecognitionManagerService(context); 684 } catch (Throwable e) { 685 reportWtf("starting Recognition Service", e); 686 } 687 688 try { 689 Slog.i(TAG, "DiskStats Service"); 690 ServiceManager.addService("diskstats", new DiskStatsService(context)); 691 } catch (Throwable e) { 692 reportWtf("starting DiskStats Service", e); 693 } 694 695 try { 696 // need to add this service even if SamplingProfilerIntegration.isEnabled() 697 // is false, because it is this service that detects system property change and 698 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 699 // there is little overhead for running this service. 700 Slog.i(TAG, "SamplingProfiler Service"); 701 ServiceManager.addService("samplingprofiler", 702 new SamplingProfilerService(context)); 703 } catch (Throwable e) { 704 reportWtf("starting SamplingProfiler Service", e); 705 } 706 707 try { 708 Slog.i(TAG, "NetworkTimeUpdateService"); 709 networkTimeUpdater = new NetworkTimeUpdateService(context); 710 } catch (Throwable e) { 711 reportWtf("starting NetworkTimeUpdate service", e); 712 } 713 714 try { 715 Slog.i(TAG, "CommonTimeManagementService"); 716 commonTimeMgmtService = new CommonTimeManagementService(context); 717 ServiceManager.addService("commontime_management", commonTimeMgmtService); 718 } catch (Throwable e) { 719 reportWtf("starting CommonTimeManagementService service", e); 720 } 721 722 try { 723 Slog.i(TAG, "CertBlacklister"); 724 CertBlacklister blacklister = new CertBlacklister(context); 725 } catch (Throwable e) { 726 reportWtf("starting CertBlacklister", e); 727 } 728 729 if (context.getResources().getBoolean( 730 com.android.internal.R.bool.config_enableDreams)) { 731 try { 732 Slog.i(TAG, "Dreams Service"); 733 // Dreams (interactive idle-time views, a/k/a screen savers) 734 dreamy = new DreamManagerService(context); 735 ServiceManager.addService("dreams", dreamy); 736 } catch (Throwable e) { 737 reportWtf("starting DreamManagerService", e); 738 } 739 } 740 } 741 742 // Before things start rolling, be sure we have decided whether 743 // we are in safe mode. 744 final boolean safeMode = wm.detectSafeMode(); 745 if (safeMode) { 746 ActivityManagerService.self().enterSafeMode(); 747 // Post the safe mode state in the Zygote class 748 Zygote.systemInSafeMode = true; 749 // Disable the JIT for the system_server process 750 VMRuntime.getRuntime().disableJitCompilation(); 751 } else { 752 // Enable the JIT for the system_server process 753 VMRuntime.getRuntime().startJitCompilation(); 754 } 755 756 // It is now time to start up the app processes... 757 758 try { 759 vibrator.systemReady(); 760 } catch (Throwable e) { 761 reportWtf("making Vibrator Service ready", e); 762 } 763 764 if (devicePolicy != null) { 765 try { 766 devicePolicy.systemReady(); 767 } catch (Throwable e) { 768 reportWtf("making Device Policy Service ready", e); 769 } 770 } 771 772 if (notification != null) { 773 try { 774 notification.systemReady(); 775 } catch (Throwable e) { 776 reportWtf("making Notification Service ready", e); 777 } 778 } 779 780 try { 781 lockSettings.systemReady(); 782 } catch (Throwable e) { 783 reportWtf("making Lock Settings Service ready", e); 784 } 785 786 try { 787 wm.systemReady(); 788 } catch (Throwable e) { 789 reportWtf("making Window Manager Service ready", e); 790 } 791 792 if (safeMode) { 793 ActivityManagerService.self().showSafeModeOverlay(); 794 } 795 796 // Update the configuration for this context by hand, because we're going 797 // to start using it before the config change done in wm.systemReady() will 798 // propagate to it. 799 Configuration config = wm.computeNewConfiguration(); 800 DisplayMetrics metrics = new DisplayMetrics(); 801 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 802 w.getDefaultDisplay().getMetrics(metrics); 803 context.getResources().updateConfiguration(config, metrics); 804 805 try { 806 power.systemReady(twilight); 807 } catch (Throwable e) { 808 reportWtf("making Power Manager Service ready", e); 809 } 810 811 try { 812 pm.systemReady(); 813 } catch (Throwable e) { 814 reportWtf("making Package Manager Service ready", e); 815 } 816 817 try { 818 display.systemReady(safeMode, onlyCore); 819 } catch (Throwable e) { 820 reportWtf("making Display Manager Service ready", e); 821 } 822 823 // These are needed to propagate to the runnable below. 824 final Context contextF = context; 825 final MountService mountServiceF = mountService; 826 final BatteryService batteryF = battery; 827 final NetworkManagementService networkManagementF = networkManagement; 828 final NetworkStatsService networkStatsF = networkStats; 829 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 830 final ConnectivityService connectivityF = connectivity; 831 final DockObserver dockF = dock; 832 final UsbService usbF = usb; 833 final ThrottleService throttleF = throttle; 834 final TwilightService twilightF = twilight; 835 final UiModeManagerService uiModeF = uiMode; 836 final AppWidgetService appWidgetF = appWidget; 837 final WallpaperManagerService wallpaperF = wallpaper; 838 final InputMethodManagerService immF = imm; 839 final RecognitionManagerService recognitionF = recognition; 840 final LocationManagerService locationF = location; 841 final CountryDetectorService countryDetectorF = countryDetector; 842 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 843 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 844 final TextServicesManagerService textServiceManagerServiceF = tsms; 845 final StatusBarManagerService statusBarF = statusBar; 846 final DreamManagerService dreamyF = dreamy; 847 final InputManagerService inputManagerF = inputManager; 848 849 // We now tell the activity manager it is okay to run third party 850 // code. It will call back into us once it has gotten to the state 851 // where third party code can really run (but before it has actually 852 // started launching the initial applications), for us to complete our 853 // initialization. 854 ActivityManagerService.self().systemReady(new Runnable() { 855 public void run() { 856 Slog.i(TAG, "Making services ready"); 857 858 if (!headless) startSystemUi(contextF); 859 try { 860 if (mountServiceF != null) mountServiceF.systemReady(); 861 } catch (Throwable e) { 862 reportWtf("making Mount Service ready", e); 863 } 864 try { 865 if (batteryF != null) batteryF.systemReady(); 866 } catch (Throwable e) { 867 reportWtf("making Battery Service ready", e); 868 } 869 try { 870 if (networkManagementF != null) networkManagementF.systemReady(); 871 } catch (Throwable e) { 872 reportWtf("making Network Managment Service ready", e); 873 } 874 try { 875 if (networkStatsF != null) networkStatsF.systemReady(); 876 } catch (Throwable e) { 877 reportWtf("making Network Stats Service ready", e); 878 } 879 try { 880 if (networkPolicyF != null) networkPolicyF.systemReady(); 881 } catch (Throwable e) { 882 reportWtf("making Network Policy Service ready", e); 883 } 884 try { 885 if (connectivityF != null) connectivityF.systemReady(); 886 } catch (Throwable e) { 887 reportWtf("making Connectivity Service ready", e); 888 } 889 try { 890 if (dockF != null) dockF.systemReady(); 891 } catch (Throwable e) { 892 reportWtf("making Dock Service ready", e); 893 } 894 try { 895 if (usbF != null) usbF.systemReady(); 896 } catch (Throwable e) { 897 reportWtf("making USB Service ready", e); 898 } 899 try { 900 if (twilightF != null) twilightF.systemReady(); 901 } catch (Throwable e) { 902 reportWtf("makin Twilight Service ready", e); 903 } 904 try { 905 if (uiModeF != null) uiModeF.systemReady(); 906 } catch (Throwable e) { 907 reportWtf("making UI Mode Service ready", e); 908 } 909 try { 910 if (recognitionF != null) recognitionF.systemReady(); 911 } catch (Throwable e) { 912 reportWtf("making Recognition Service ready", e); 913 } 914 Watchdog.getInstance().start(); 915 916 // It is now okay to let the various system services start their 917 // third party code... 918 919 try { 920 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 921 } catch (Throwable e) { 922 reportWtf("making App Widget Service ready", e); 923 } 924 try { 925 if (wallpaperF != null) wallpaperF.systemReady(); 926 } catch (Throwable e) { 927 reportWtf("making Wallpaper Service ready", e); 928 } 929 try { 930 if (immF != null) immF.systemReady(statusBarF); 931 } catch (Throwable e) { 932 reportWtf("making Input Method Service ready", e); 933 } 934 try { 935 if (locationF != null) locationF.systemReady(); 936 } catch (Throwable e) { 937 reportWtf("making Location Service ready", e); 938 } 939 try { 940 if (countryDetectorF != null) countryDetectorF.systemReady(); 941 } catch (Throwable e) { 942 reportWtf("making Country Detector Service ready", e); 943 } 944 try { 945 if (throttleF != null) throttleF.systemReady(); 946 } catch (Throwable e) { 947 reportWtf("making Throttle Service ready", e); 948 } 949 try { 950 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 951 } catch (Throwable e) { 952 reportWtf("making Network Time Service ready", e); 953 } 954 try { 955 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 956 } catch (Throwable e) { 957 reportWtf("making Common time management service ready", e); 958 } 959 try { 960 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 961 } catch (Throwable e) { 962 reportWtf("making Text Services Manager Service ready", e); 963 } 964 try { 965 if (dreamyF != null) dreamyF.systemReady(); 966 } catch (Throwable e) { 967 reportWtf("making DreamManagerService ready", e); 968 } 969 try { 970 // TODO(BT) Pass parameter to input manager 971 if (inputManagerF != null) inputManagerF.systemReady(); 972 } catch (Throwable e) { 973 reportWtf("making InputManagerService ready", e); 974 } 975 } 976 }); 977 978 // For debug builds, log event loop stalls to dropbox for analysis. 979 if (StrictMode.conditionallyEnableDebugLogging()) { 980 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 981 } 982 983 Looper.loop(); 984 Slog.d(TAG, "System ServerThread is exiting!"); 985 } 986 987 static final void startSystemUi(Context context) { 988 Intent intent = new Intent(); 989 intent.setComponent(new ComponentName("com.android.systemui", 990 "com.android.systemui.SystemUIService")); 991 Slog.d(TAG, "Starting service: " + intent); 992 context.startService(intent); 993 } 994} 995 996public class SystemServer { 997 private static final String TAG = "SystemServer"; 998 999 public static final int FACTORY_TEST_OFF = 0; 1000 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1001 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1002 1003 static Timer timer; 1004 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1005 1006 // The earliest supported time. We pick one day into 1970, to 1007 // give any timezone code room without going into negative time. 1008 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1009 1010 /** 1011 * This method is called from Zygote to initialize the system. This will cause the native 1012 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1013 * up into init2() to start the Android services. 1014 */ 1015 native public static void init1(String[] args); 1016 1017 public static void main(String[] args) { 1018 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1019 // If a device's clock is before 1970 (before 0), a lot of 1020 // APIs crash dealing with negative numbers, notably 1021 // java.io.File#setLastModified, so instead we fake it and 1022 // hope that time from cell towers or NTP fixes it 1023 // shortly. 1024 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1025 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1026 } 1027 1028 if (SamplingProfilerIntegration.isEnabled()) { 1029 SamplingProfilerIntegration.start(); 1030 timer = new Timer(); 1031 timer.schedule(new TimerTask() { 1032 @Override 1033 public void run() { 1034 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1035 } 1036 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1037 } 1038 1039 // Mmmmmm... more memory! 1040 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1041 1042 // The system server has to run all of the time, so it needs to be 1043 // as efficient as possible with its memory usage. 1044 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1045 1046 System.loadLibrary("android_servers"); 1047 init1(args); 1048 } 1049 1050 public static final void init2() { 1051 Slog.i(TAG, "Entered the Android system server!"); 1052 Thread thr = new ServerThread(); 1053 thr.setName("android.server.ServerThread"); 1054 thr.start(); 1055 } 1056} 1057