SystemServer.java revision 34196187365687d3f144a6de5fef811b52545ac0
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.Looper; 32import android.os.RemoteException; 33import android.os.SchedulingPolicyService; 34import android.os.ServiceManager; 35import android.os.StrictMode; 36import android.os.SystemClock; 37import android.os.SystemProperties; 38import android.provider.Settings; 39import android.server.search.SearchManagerService; 40import android.service.dreams.DreamManagerService; 41import android.util.DisplayMetrics; 42import android.util.EventLog; 43import android.util.Log; 44import android.util.Slog; 45import android.view.WindowManager; 46 47import com.android.internal.os.BinderInternal; 48import com.android.internal.os.SamplingProfilerIntegration; 49import com.android.internal.widget.LockSettingsService; 50import com.android.server.accessibility.AccessibilityManagerService; 51import com.android.server.am.ActivityManagerService; 52import com.android.server.input.InputManagerService; 53import com.android.server.net.NetworkPolicyManagerService; 54import com.android.server.net.NetworkStatsService; 55import com.android.server.pm.PackageManagerService; 56import com.android.server.power.PowerManagerService; 57import com.android.server.power.ShutdownThread; 58import com.android.server.usb.UsbService; 59import com.android.server.wm.WindowManagerService; 60 61import dalvik.system.VMRuntime; 62import dalvik.system.Zygote; 63 64import java.io.File; 65import java.util.Timer; 66import java.util.TimerTask; 67 68class ServerThread extends Thread { 69 private static final String TAG = "SystemServer"; 70 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 71 private static final String ENCRYPTED_STATE = "1"; 72 73 ContentResolver mContentResolver; 74 75 void reportWtf(String msg, Throwable e) { 76 Slog.w(TAG, "***********************************************"); 77 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 78 } 79 80 @Override 81 public void run() { 82 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 83 SystemClock.uptimeMillis()); 84 85 Looper.prepareMainLooper(); 86 87 android.os.Process.setThreadPriority( 88 android.os.Process.THREAD_PRIORITY_FOREGROUND); 89 90 BinderInternal.disableBackgroundScheduling(true); 91 android.os.Process.setCanSelfBackground(false); 92 93 // Check whether we failed to shut down last time we tried. 94 { 95 final String shutdownAction = SystemProperties.get( 96 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 97 if (shutdownAction != null && shutdownAction.length() > 0) { 98 boolean reboot = (shutdownAction.charAt(0) == '1'); 99 100 final String reason; 101 if (shutdownAction.length() > 1) { 102 reason = shutdownAction.substring(1, shutdownAction.length()); 103 } else { 104 reason = null; 105 } 106 107 ShutdownThread.rebootOrShutdown(reboot, reason); 108 } 109 } 110 111 String factoryTestStr = SystemProperties.get("ro.factorytest"); 112 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 113 : Integer.parseInt(factoryTestStr); 114 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 115 116 LightsService lights = null; 117 PowerManagerService power = null; 118 BatteryService battery = null; 119 VibratorService vibrator = null; 120 AlarmManagerService alarm = null; 121 NetworkManagementService networkManagement = null; 122 NetworkStatsService networkStats = null; 123 NetworkPolicyManagerService networkPolicy = null; 124 ConnectivityService connectivity = null; 125 WifiP2pService wifiP2p = null; 126 WifiService wifi = null; 127 NsdService serviceDiscovery= null; 128 IPackageManager pm = null; 129 Context context = null; 130 WindowManagerService wm = null; 131 DockObserver dock = null; 132 UsbService usb = null; 133 SerialService serial = null; 134 UiModeManagerService uiMode = null; 135 RecognitionManagerService recognition = null; 136 ThrottleService throttle = null; 137 NetworkTimeUpdateService networkTimeUpdater = null; 138 CommonTimeManagementService commonTimeMgmtService = null; 139 InputManagerService inputManager = null; 140 141 // Critical services... 142 try { 143 Slog.i(TAG, "Entropy Mixer"); 144 ServiceManager.addService("entropy", new EntropyMixer()); 145 146 Slog.i(TAG, "Power Manager"); 147 power = new PowerManagerService(); 148 ServiceManager.addService(Context.POWER_SERVICE, power); 149 150 Slog.i(TAG, "Activity Manager"); 151 context = ActivityManagerService.main(factoryTest); 152 153 Slog.i(TAG, "Telephony Registry"); 154 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 155 156 Slog.i(TAG, "Scheduling Policy"); 157 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 158 new SchedulingPolicyService()); 159 160 AttributeCache.init(context); 161 162 Slog.i(TAG, "Package Manager"); 163 // Only run "core" apps if we're encrypting the device. 164 String cryptState = SystemProperties.get("vold.decrypt"); 165 boolean onlyCore = false; 166 if (ENCRYPTING_STATE.equals(cryptState)) { 167 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 168 onlyCore = true; 169 } else if (ENCRYPTED_STATE.equals(cryptState)) { 170 Slog.w(TAG, "Device encrypted - only parsing core apps"); 171 onlyCore = true; 172 } 173 174 pm = PackageManagerService.main(context, 175 factoryTest != SystemServer.FACTORY_TEST_OFF, 176 onlyCore); 177 boolean firstBoot = false; 178 try { 179 firstBoot = pm.isFirstBoot(); 180 } catch (RemoteException e) { 181 } 182 183 ActivityManagerService.setSystemProcess(); 184 185 mContentResolver = context.getContentResolver(); 186 187 // The AccountManager must come before the ContentService 188 try { 189 Slog.i(TAG, "Account Manager"); 190 ServiceManager.addService(Context.ACCOUNT_SERVICE, 191 new AccountManagerService(context)); 192 } catch (Throwable e) { 193 Slog.e(TAG, "Failure starting Account Manager", e); 194 } 195 196 Slog.i(TAG, "Content Manager"); 197 ContentService.main(context, 198 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 199 200 Slog.i(TAG, "System Content Providers"); 201 ActivityManagerService.installSystemProviders(); 202 203 Slog.i(TAG, "Lights Service"); 204 lights = new LightsService(context); 205 206 Slog.i(TAG, "Battery Service"); 207 battery = new BatteryService(context, lights); 208 ServiceManager.addService("battery", battery); 209 210 Slog.i(TAG, "Vibrator Service"); 211 vibrator = new VibratorService(context); 212 ServiceManager.addService("vibrator", vibrator); 213 214 // only initialize the power service after we have started the 215 // lights service, content providers and the battery service. 216 power.init(context, lights, ActivityManagerService.self(), battery); 217 218 Slog.i(TAG, "Alarm Manager"); 219 alarm = new AlarmManagerService(context); 220 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 221 222 Slog.i(TAG, "Init Watchdog"); 223 Watchdog.getInstance().init(context, battery, power, alarm, 224 ActivityManagerService.self()); 225 226 Slog.i(TAG, "Window Manager"); 227 wm = WindowManagerService.main(context, power, 228 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 229 !firstBoot, onlyCore); 230 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 231 inputManager = wm.getInputManagerService(); 232 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 233 234 ActivityManagerService.self().setWindowManager(wm); 235 236 // Skip Bluetooth if we have an emulator kernel 237 // TODO: Use a more reliable check to see if this product should 238 // support Bluetooth - see bug 988521 239 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 240 Slog.i(TAG, "No Bluetooh Service (emulator)"); 241 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 242 Slog.i(TAG, "No Bluetooth Service (factory test)"); 243 } else { 244 //TODO(BT): Start BT services and turn on if needed. 245 int airplaneModeOn = Settings.System.getInt(mContentResolver, 246 Settings.System.AIRPLANE_MODE_ON, 0); 247 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 248 Settings.Secure.BLUETOOTH_ON, 0); 249 } 250 251 } catch (RuntimeException e) { 252 Slog.e("System", "******************************************"); 253 Slog.e("System", "************ Failure starting core service", e); 254 } 255 256 DevicePolicyManagerService devicePolicy = null; 257 StatusBarManagerService statusBar = null; 258 InputMethodManagerService imm = null; 259 AppWidgetService appWidget = null; 260 NotificationManagerService notification = null; 261 WallpaperManagerService wallpaper = null; 262 LocationManagerService location = null; 263 CountryDetectorService countryDetector = null; 264 TextServicesManagerService tsms = null; 265 LockSettingsService lockSettings = null; 266 DreamManagerService dreamy = null; 267 268 // Bring up services needed for UI. 269 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 270 try { 271 Slog.i(TAG, "Input Method Service"); 272 imm = new InputMethodManagerService(context, wm); 273 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 274 } catch (Throwable e) { 275 reportWtf("starting Input Manager Service", e); 276 } 277 278 try { 279 Slog.i(TAG, "Accessibility Manager"); 280 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 281 new AccessibilityManagerService(context)); 282 } catch (Throwable e) { 283 reportWtf("starting Accessibility Manager", e); 284 } 285 } 286 287 try { 288 wm.displayReady(); 289 } catch (Throwable e) { 290 reportWtf("making display ready", e); 291 } 292 293 try { 294 pm.performBootDexOpt(); 295 } catch (Throwable e) { 296 reportWtf("performing boot dexopt", e); 297 } 298 299 try { 300 ActivityManagerNative.getDefault().showBootMessage( 301 context.getResources().getText( 302 com.android.internal.R.string.android_upgrading_starting_apps), 303 false); 304 } catch (RemoteException e) { 305 } 306 307 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 308 MountService mountService = null; 309 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 310 try { 311 /* 312 * NotificationManagerService is dependant on MountService, 313 * (for media / usb notifications) so we must start MountService first. 314 */ 315 Slog.i(TAG, "Mount Service"); 316 mountService = new MountService(context); 317 ServiceManager.addService("mount", mountService); 318 } catch (Throwable e) { 319 reportWtf("starting Mount Service", e); 320 } 321 } 322 323 try { 324 Slog.i(TAG, "LockSettingsService"); 325 lockSettings = new LockSettingsService(context); 326 ServiceManager.addService("lock_settings", lockSettings); 327 } catch (Throwable e) { 328 reportWtf("starting LockSettingsService service", e); 329 } 330 331 try { 332 Slog.i(TAG, "Device Policy"); 333 devicePolicy = new DevicePolicyManagerService(context); 334 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 335 } catch (Throwable e) { 336 reportWtf("starting DevicePolicyService", e); 337 } 338 339 try { 340 Slog.i(TAG, "Status Bar"); 341 statusBar = new StatusBarManagerService(context, wm); 342 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 343 } catch (Throwable e) { 344 reportWtf("starting StatusBarManagerService", e); 345 } 346 347 try { 348 Slog.i(TAG, "Clipboard Service"); 349 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 350 new ClipboardService(context)); 351 } catch (Throwable e) { 352 reportWtf("starting Clipboard Service", e); 353 } 354 355 try { 356 Slog.i(TAG, "NetworkManagement Service"); 357 networkManagement = NetworkManagementService.create(context); 358 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 359 } catch (Throwable e) { 360 reportWtf("starting NetworkManagement Service", e); 361 } 362 363 try { 364 Slog.i(TAG, "Text Service Manager Service"); 365 tsms = new TextServicesManagerService(context); 366 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 367 } catch (Throwable e) { 368 reportWtf("starting Text Service Manager Service", e); 369 } 370 371 try { 372 Slog.i(TAG, "NetworkStats Service"); 373 networkStats = new NetworkStatsService(context, networkManagement, alarm); 374 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 375 } catch (Throwable e) { 376 reportWtf("starting NetworkStats Service", e); 377 } 378 379 try { 380 Slog.i(TAG, "NetworkPolicy Service"); 381 networkPolicy = new NetworkPolicyManagerService( 382 context, ActivityManagerService.self(), power, 383 networkStats, networkManagement); 384 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 385 } catch (Throwable e) { 386 reportWtf("starting NetworkPolicy Service", e); 387 } 388 389 try { 390 Slog.i(TAG, "Wi-Fi P2pService"); 391 wifiP2p = new WifiP2pService(context); 392 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 393 } catch (Throwable e) { 394 reportWtf("starting Wi-Fi P2pService", e); 395 } 396 397 try { 398 Slog.i(TAG, "Wi-Fi Service"); 399 wifi = new WifiService(context); 400 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 401 } catch (Throwable e) { 402 reportWtf("starting Wi-Fi Service", e); 403 } 404 405 try { 406 Slog.i(TAG, "Connectivity Service"); 407 connectivity = new ConnectivityService( 408 context, networkManagement, networkStats, networkPolicy); 409 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 410 networkStats.bindConnectivityManager(connectivity); 411 networkPolicy.bindConnectivityManager(connectivity); 412 wifi.checkAndStartWifi(); 413 wifiP2p.connectivityServiceReady(); 414 } catch (Throwable e) { 415 reportWtf("starting Connectivity Service", e); 416 } 417 418 try { 419 Slog.i(TAG, "Network Service Discovery Service"); 420 serviceDiscovery = NsdService.create(context); 421 ServiceManager.addService( 422 Context.NSD_SERVICE, serviceDiscovery); 423 } catch (Throwable e) { 424 reportWtf("starting Service Discovery Service", e); 425 } 426 427 try { 428 Slog.i(TAG, "Throttle Service"); 429 throttle = new ThrottleService(context); 430 ServiceManager.addService( 431 Context.THROTTLE_SERVICE, throttle); 432 } catch (Throwable e) { 433 reportWtf("starting ThrottleService", e); 434 } 435 436 try { 437 Slog.i(TAG, "UpdateLock Service"); 438 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 439 new UpdateLockService(context)); 440 } catch (Throwable e) { 441 reportWtf("starting UpdateLockService", e); 442 } 443 444 /* 445 * MountService has a few dependencies: Notification Manager and 446 * AppWidget Provider. Make sure MountService is completely started 447 * first before continuing. 448 */ 449 if (mountService != null) { 450 mountService.waitForAsecScan(); 451 } 452 453 try { 454 Slog.i(TAG, "Notification Manager"); 455 notification = new NotificationManagerService(context, statusBar, lights); 456 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 457 networkPolicy.bindNotificationManager(notification); 458 } catch (Throwable e) { 459 reportWtf("starting Notification Manager", e); 460 } 461 462 try { 463 Slog.i(TAG, "Device Storage Monitor"); 464 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 465 new DeviceStorageMonitorService(context)); 466 } catch (Throwable e) { 467 reportWtf("starting DeviceStorageMonitor service", e); 468 } 469 470 try { 471 Slog.i(TAG, "Location Manager"); 472 location = new LocationManagerService(context); 473 ServiceManager.addService(Context.LOCATION_SERVICE, location); 474 } catch (Throwable e) { 475 reportWtf("starting Location Manager", e); 476 } 477 478 try { 479 Slog.i(TAG, "Country Detector"); 480 countryDetector = new CountryDetectorService(context); 481 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 482 } catch (Throwable e) { 483 reportWtf("starting Country Detector", e); 484 } 485 486 try { 487 Slog.i(TAG, "Search Service"); 488 ServiceManager.addService(Context.SEARCH_SERVICE, 489 new SearchManagerService(context)); 490 } catch (Throwable e) { 491 reportWtf("starting Search Service", e); 492 } 493 494 try { 495 Slog.i(TAG, "DropBox Service"); 496 ServiceManager.addService(Context.DROPBOX_SERVICE, 497 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 498 } catch (Throwable e) { 499 reportWtf("starting DropBoxManagerService", e); 500 } 501 502 if (context.getResources().getBoolean( 503 com.android.internal.R.bool.config_enableWallpaperService)) { 504 try { 505 Slog.i(TAG, "Wallpaper Service"); 506 if (!headless) { 507 wallpaper = new WallpaperManagerService(context); 508 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 509 } 510 } catch (Throwable e) { 511 reportWtf("starting Wallpaper Service", e); 512 } 513 } 514 515 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 516 try { 517 Slog.i(TAG, "Audio Service"); 518 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 519 } catch (Throwable e) { 520 reportWtf("starting Audio Service", e); 521 } 522 } 523 524 try { 525 Slog.i(TAG, "Dock Observer"); 526 // Listen for dock station changes 527 dock = new DockObserver(context, power); 528 } catch (Throwable e) { 529 reportWtf("starting DockObserver", e); 530 } 531 532 try { 533 Slog.i(TAG, "Wired Accessory Observer"); 534 // Listen for wired headset changes 535 new WiredAccessoryObserver(context); 536 } catch (Throwable e) { 537 reportWtf("starting WiredAccessoryObserver", e); 538 } 539 540 try { 541 Slog.i(TAG, "USB Service"); 542 // Manage USB host and device support 543 usb = new UsbService(context); 544 ServiceManager.addService(Context.USB_SERVICE, usb); 545 } catch (Throwable e) { 546 reportWtf("starting UsbService", e); 547 } 548 549 try { 550 Slog.i(TAG, "Serial Service"); 551 // Serial port support 552 serial = new SerialService(context); 553 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 554 } catch (Throwable e) { 555 Slog.e(TAG, "Failure starting SerialService", e); 556 } 557 558 try { 559 Slog.i(TAG, "UI Mode Manager Service"); 560 // Listen for UI mode changes 561 uiMode = new UiModeManagerService(context); 562 } catch (Throwable e) { 563 reportWtf("starting UiModeManagerService", e); 564 } 565 566 try { 567 Slog.i(TAG, "Backup Service"); 568 ServiceManager.addService(Context.BACKUP_SERVICE, 569 new BackupManagerService(context)); 570 } catch (Throwable e) { 571 Slog.e(TAG, "Failure starting Backup Service", e); 572 } 573 574 try { 575 Slog.i(TAG, "AppWidget Service"); 576 appWidget = new AppWidgetService(context); 577 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 578 } catch (Throwable e) { 579 reportWtf("starting AppWidget Service", e); 580 } 581 582 try { 583 Slog.i(TAG, "Recognition Service"); 584 recognition = new RecognitionManagerService(context); 585 } catch (Throwable e) { 586 reportWtf("starting Recognition Service", e); 587 } 588 589 try { 590 Slog.i(TAG, "DiskStats Service"); 591 ServiceManager.addService("diskstats", new DiskStatsService(context)); 592 } catch (Throwable e) { 593 reportWtf("starting DiskStats Service", e); 594 } 595 596 try { 597 // need to add this service even if SamplingProfilerIntegration.isEnabled() 598 // is false, because it is this service that detects system property change and 599 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 600 // there is little overhead for running this service. 601 Slog.i(TAG, "SamplingProfiler Service"); 602 ServiceManager.addService("samplingprofiler", 603 new SamplingProfilerService(context)); 604 } catch (Throwable e) { 605 reportWtf("starting SamplingProfiler Service", e); 606 } 607 608 try { 609 Slog.i(TAG, "NetworkTimeUpdateService"); 610 networkTimeUpdater = new NetworkTimeUpdateService(context); 611 } catch (Throwable e) { 612 reportWtf("starting NetworkTimeUpdate service", e); 613 } 614 615 try { 616 Slog.i(TAG, "CommonTimeManagementService"); 617 commonTimeMgmtService = new CommonTimeManagementService(context); 618 ServiceManager.addService("commontime_management", commonTimeMgmtService); 619 } catch (Throwable e) { 620 reportWtf("starting CommonTimeManagementService service", e); 621 } 622 623 try { 624 Slog.i(TAG, "CertBlacklister"); 625 CertBlacklister blacklister = new CertBlacklister(context); 626 } catch (Throwable e) { 627 reportWtf("starting CertBlacklister", e); 628 } 629 630 if (context.getResources().getBoolean( 631 com.android.internal.R.bool.config_enableDreams)) { 632 try { 633 Slog.i(TAG, "Dreams Service"); 634 // Dreams (interactive idle-time views, a/k/a screen savers) 635 dreamy = new DreamManagerService(context); 636 ServiceManager.addService("dreams", dreamy); 637 } catch (Throwable e) { 638 reportWtf("starting DreamManagerService", e); 639 } 640 } 641 } 642 643 // Before things start rolling, be sure we have decided whether 644 // we are in safe mode. 645 final boolean safeMode = wm.detectSafeMode(); 646 if (safeMode) { 647 ActivityManagerService.self().enterSafeMode(); 648 // Post the safe mode state in the Zygote class 649 Zygote.systemInSafeMode = true; 650 // Disable the JIT for the system_server process 651 VMRuntime.getRuntime().disableJitCompilation(); 652 } else { 653 // Enable the JIT for the system_server process 654 VMRuntime.getRuntime().startJitCompilation(); 655 } 656 657 // It is now time to start up the app processes... 658 659 try { 660 vibrator.systemReady(); 661 } catch (Throwable e) { 662 reportWtf("making Vibrator Service ready", e); 663 } 664 665 if (devicePolicy != null) { 666 try { 667 devicePolicy.systemReady(); 668 } catch (Throwable e) { 669 reportWtf("making Device Policy Service ready", e); 670 } 671 } 672 673 if (notification != null) { 674 try { 675 notification.systemReady(); 676 } catch (Throwable e) { 677 reportWtf("making Notification Service ready", e); 678 } 679 } 680 681 try { 682 wm.systemReady(); 683 } catch (Throwable e) { 684 reportWtf("making Window Manager Service ready", e); 685 } 686 687 if (safeMode) { 688 ActivityManagerService.self().showSafeModeOverlay(); 689 } 690 691 // Update the configuration for this context by hand, because we're going 692 // to start using it before the config change done in wm.systemReady() will 693 // propagate to it. 694 Configuration config = wm.computeNewConfiguration(); 695 DisplayMetrics metrics = new DisplayMetrics(); 696 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 697 w.getDefaultDisplay().getMetrics(metrics); 698 context.getResources().updateConfiguration(config, metrics); 699 700 power.systemReady(); 701 try { 702 pm.systemReady(); 703 } catch (Throwable e) { 704 reportWtf("making Package Manager Service ready", e); 705 } 706 try { 707 lockSettings.systemReady(); 708 } catch (Throwable e) { 709 reportWtf("making Lock Settings Service ready", e); 710 } 711 712 // These are needed to propagate to the runnable below. 713 final Context contextF = context; 714 final BatteryService batteryF = battery; 715 final NetworkManagementService networkManagementF = networkManagement; 716 final NetworkStatsService networkStatsF = networkStats; 717 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 718 final ConnectivityService connectivityF = connectivity; 719 final DockObserver dockF = dock; 720 final UsbService usbF = usb; 721 final ThrottleService throttleF = throttle; 722 final UiModeManagerService uiModeF = uiMode; 723 final AppWidgetService appWidgetF = appWidget; 724 final WallpaperManagerService wallpaperF = wallpaper; 725 final InputMethodManagerService immF = imm; 726 final RecognitionManagerService recognitionF = recognition; 727 final LocationManagerService locationF = location; 728 final CountryDetectorService countryDetectorF = countryDetector; 729 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 730 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 731 final TextServicesManagerService textServiceManagerServiceF = tsms; 732 final StatusBarManagerService statusBarF = statusBar; 733 final DreamManagerService dreamyF = dreamy; 734 final InputManagerService inputManagerF = inputManager; 735 final BluetoothService bluetoothF = bluetooth; 736 737 // We now tell the activity manager it is okay to run third party 738 // code. It will call back into us once it has gotten to the state 739 // where third party code can really run (but before it has actually 740 // started launching the initial applications), for us to complete our 741 // initialization. 742 ActivityManagerService.self().systemReady(new Runnable() { 743 public void run() { 744 Slog.i(TAG, "Making services ready"); 745 746 if (!headless) startSystemUi(contextF); 747 try { 748 if (batteryF != null) batteryF.systemReady(); 749 } catch (Throwable e) { 750 reportWtf("making Battery Service ready", e); 751 } 752 try { 753 if (networkManagementF != null) networkManagementF.systemReady(); 754 } catch (Throwable e) { 755 reportWtf("making Network Managment Service ready", e); 756 } 757 try { 758 if (networkStatsF != null) networkStatsF.systemReady(); 759 } catch (Throwable e) { 760 reportWtf("making Network Stats Service ready", e); 761 } 762 try { 763 if (networkPolicyF != null) networkPolicyF.systemReady(); 764 } catch (Throwable e) { 765 reportWtf("making Network Policy Service ready", e); 766 } 767 try { 768 if (connectivityF != null) connectivityF.systemReady(); 769 } catch (Throwable e) { 770 reportWtf("making Connectivity Service ready", e); 771 } 772 try { 773 if (dockF != null) dockF.systemReady(); 774 } catch (Throwable e) { 775 reportWtf("making Dock Service ready", e); 776 } 777 try { 778 if (usbF != null) usbF.systemReady(); 779 } catch (Throwable e) { 780 reportWtf("making USB Service ready", e); 781 } 782 try { 783 if (uiModeF != null) uiModeF.systemReady(); 784 } catch (Throwable e) { 785 reportWtf("making UI Mode Service ready", e); 786 } 787 try { 788 if (recognitionF != null) recognitionF.systemReady(); 789 } catch (Throwable e) { 790 reportWtf("making Recognition Service ready", e); 791 } 792 Watchdog.getInstance().start(); 793 794 // It is now okay to let the various system services start their 795 // third party code... 796 797 try { 798 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 799 } catch (Throwable e) { 800 reportWtf("making App Widget Service ready", e); 801 } 802 try { 803 if (wallpaperF != null) wallpaperF.systemReady(); 804 } catch (Throwable e) { 805 reportWtf("making Wallpaper Service ready", e); 806 } 807 try { 808 if (immF != null) immF.systemReady(statusBarF); 809 } catch (Throwable e) { 810 reportWtf("making Input Method Service ready", e); 811 } 812 try { 813 if (locationF != null) locationF.systemReady(); 814 } catch (Throwable e) { 815 reportWtf("making Location Service ready", e); 816 } 817 try { 818 if (countryDetectorF != null) countryDetectorF.systemReady(); 819 } catch (Throwable e) { 820 reportWtf("making Country Detector Service ready", e); 821 } 822 try { 823 if (throttleF != null) throttleF.systemReady(); 824 } catch (Throwable e) { 825 reportWtf("making Throttle Service ready", e); 826 } 827 try { 828 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 829 } catch (Throwable e) { 830 reportWtf("making Network Time Service ready", e); 831 } 832 try { 833 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 834 } catch (Throwable e) { 835 reportWtf("making Common time management service ready", e); 836 } 837 try { 838 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 839 } catch (Throwable e) { 840 reportWtf("making Text Services Manager Service ready", e); 841 } 842 try { 843 if (dreamyF != null) dreamyF.systemReady(); 844 } catch (Throwable e) { 845 reportWtf("making DreamManagerService ready", e); 846 } 847 try { 848 if (inputManagerF != null) inputManagerF.systemReady(bluetoothF); 849 } catch (Throwable e) { 850 reportWtf("making InputManagerService ready", e); 851 } 852 } 853 }); 854 855 // For debug builds, log event loop stalls to dropbox for analysis. 856 if (StrictMode.conditionallyEnableDebugLogging()) { 857 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 858 } 859 860 Looper.loop(); 861 Slog.d(TAG, "System ServerThread is exiting!"); 862 } 863 864 static final void startSystemUi(Context context) { 865 Intent intent = new Intent(); 866 intent.setComponent(new ComponentName("com.android.systemui", 867 "com.android.systemui.SystemUIService")); 868 Slog.d(TAG, "Starting service: " + intent); 869 context.startService(intent); 870 } 871} 872 873public class SystemServer { 874 private static final String TAG = "SystemServer"; 875 876 public static final int FACTORY_TEST_OFF = 0; 877 public static final int FACTORY_TEST_LOW_LEVEL = 1; 878 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 879 880 static Timer timer; 881 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 882 883 // The earliest supported time. We pick one day into 1970, to 884 // give any timezone code room without going into negative time. 885 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 886 887 /** 888 * This method is called from Zygote to initialize the system. This will cause the native 889 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 890 * up into init2() to start the Android services. 891 */ 892 native public static void init1(String[] args); 893 894 public static void main(String[] args) { 895 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 896 // If a device's clock is before 1970 (before 0), a lot of 897 // APIs crash dealing with negative numbers, notably 898 // java.io.File#setLastModified, so instead we fake it and 899 // hope that time from cell towers or NTP fixes it 900 // shortly. 901 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 902 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 903 } 904 905 if (SamplingProfilerIntegration.isEnabled()) { 906 SamplingProfilerIntegration.start(); 907 timer = new Timer(); 908 timer.schedule(new TimerTask() { 909 @Override 910 public void run() { 911 SamplingProfilerIntegration.writeSnapshot("system_server", null); 912 } 913 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 914 } 915 916 // Mmmmmm... more memory! 917 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 918 919 // The system server has to run all of the time, so it needs to be 920 // as efficient as possible with its memory usage. 921 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 922 923 System.loadLibrary("android_servers"); 924 init1(args); 925 } 926 927 public static final void init2() { 928 Slog.i(TAG, "Entered the Android system server!"); 929 Thread thr = new ServerThread(); 930 thr.setName("android.server.ServerThread"); 931 thr.start(); 932 } 933} 934