SystemServer.java revision 295e3c27e4e3762a002382fc1657f5f0070a3410
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.ServiceManager; 34import android.os.StrictMode; 35import android.os.SystemClock; 36import android.os.SystemProperties; 37import android.provider.Settings; 38import android.server.BluetoothA2dpService; 39import android.server.BluetoothService; 40import android.server.search.SearchManagerService; 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.app.ShutdownThread; 48import com.android.internal.os.BinderInternal; 49import com.android.internal.os.SamplingProfilerIntegration; 50import com.android.server.accessibility.AccessibilityManagerService; 51import com.android.server.am.ActivityManagerService; 52import com.android.server.net.NetworkPolicyManagerService; 53import com.android.server.net.NetworkStatsService; 54import com.android.server.pm.PackageManagerService; 55import com.android.server.usb.UsbService; 56import com.android.server.wm.WindowManagerService; 57 58import dalvik.system.VMRuntime; 59import dalvik.system.Zygote; 60 61import java.io.File; 62import java.util.Timer; 63import java.util.TimerTask; 64 65class ServerThread extends Thread { 66 private static final String TAG = "SystemServer"; 67 68 ContentResolver mContentResolver; 69 70 void reportWtf(String msg, Throwable e) { 71 Slog.w(TAG, "***********************************************"); 72 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 73 } 74 75 @Override 76 public void run() { 77 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 78 SystemClock.uptimeMillis()); 79 80 Looper.prepare(); 81 82 android.os.Process.setThreadPriority( 83 android.os.Process.THREAD_PRIORITY_FOREGROUND); 84 85 BinderInternal.disableBackgroundScheduling(true); 86 android.os.Process.setCanSelfBackground(false); 87 88 // Check whether we failed to shut down last time we tried. 89 { 90 final String shutdownAction = SystemProperties.get( 91 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 92 if (shutdownAction != null && shutdownAction.length() > 0) { 93 boolean reboot = (shutdownAction.charAt(0) == '1'); 94 95 final String reason; 96 if (shutdownAction.length() > 1) { 97 reason = shutdownAction.substring(1, shutdownAction.length()); 98 } else { 99 reason = null; 100 } 101 102 ShutdownThread.rebootOrShutdown(reboot, reason); 103 } 104 } 105 106 String factoryTestStr = SystemProperties.get("ro.factorytest"); 107 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 108 : Integer.parseInt(factoryTestStr); 109 110 LightsService lights = null; 111 PowerManagerService power = null; 112 BatteryService battery = null; 113 AlarmManagerService alarm = null; 114 NetworkManagementService networkManagement = null; 115 NetworkStatsService networkStats = null; 116 NetworkPolicyManagerService networkPolicy = null; 117 ConnectivityService connectivity = null; 118 WifiP2pService wifiP2p = null; 119 WifiService wifi = null; 120 IPackageManager pm = null; 121 Context context = null; 122 WindowManagerService wm = null; 123 BluetoothService bluetooth = null; 124 BluetoothA2dpService bluetoothA2dp = null; 125 DockObserver dock = null; 126 UsbService usb = null; 127 UiModeManagerService uiMode = null; 128 RecognitionManagerService recognition = null; 129 ThrottleService throttle = null; 130 NetworkTimeUpdateService networkTimeUpdater = null; 131 132 // Critical services... 133 try { 134 Slog.i(TAG, "Entropy Service"); 135 ServiceManager.addService("entropy", new EntropyService()); 136 137 Slog.i(TAG, "Power Manager"); 138 power = new PowerManagerService(); 139 ServiceManager.addService(Context.POWER_SERVICE, power); 140 141 Slog.i(TAG, "Activity Manager"); 142 context = ActivityManagerService.main(factoryTest); 143 144 Slog.i(TAG, "Telephony Registry"); 145 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 146 147 AttributeCache.init(context); 148 149 Slog.i(TAG, "Package Manager"); 150 pm = PackageManagerService.main(context, 151 factoryTest != SystemServer.FACTORY_TEST_OFF); 152 153 ActivityManagerService.setSystemProcess(); 154 155 mContentResolver = context.getContentResolver(); 156 157 // The AccountManager must come before the ContentService 158 try { 159 Slog.i(TAG, "Account Manager"); 160 ServiceManager.addService(Context.ACCOUNT_SERVICE, 161 new AccountManagerService(context)); 162 } catch (Throwable e) { 163 Slog.e(TAG, "Failure starting Account Manager", e); 164 } 165 166 Slog.i(TAG, "Content Manager"); 167 ContentService.main(context, 168 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 169 170 Slog.i(TAG, "System Content Providers"); 171 ActivityManagerService.installSystemProviders(); 172 173 Slog.i(TAG, "Lights Service"); 174 lights = new LightsService(context); 175 176 Slog.i(TAG, "Battery Service"); 177 battery = new BatteryService(context, lights); 178 ServiceManager.addService("battery", battery); 179 180 Slog.i(TAG, "Vibrator Service"); 181 ServiceManager.addService("vibrator", new VibratorService(context)); 182 183 // only initialize the power service after we have started the 184 // lights service, content providers and the battery service. 185 power.init(context, lights, ActivityManagerService.self(), battery); 186 187 Slog.i(TAG, "Alarm Manager"); 188 alarm = new AlarmManagerService(context); 189 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 190 191 Slog.i(TAG, "Init Watchdog"); 192 Watchdog.getInstance().init(context, battery, power, alarm, 193 ActivityManagerService.self()); 194 195 Slog.i(TAG, "Window Manager"); 196 wm = WindowManagerService.main(context, power, 197 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL); 198 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 199 200 ActivityManagerService.self().setWindowManager(wm); 201 202 // Skip Bluetooth if we have an emulator kernel 203 // TODO: Use a more reliable check to see if this product should 204 // support Bluetooth - see bug 988521 205 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 206 Slog.i(TAG, "No Bluetooh Service (emulator)"); 207 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 208 Slog.i(TAG, "No Bluetooth Service (factory test)"); 209 } else { 210 Slog.i(TAG, "Bluetooth Service"); 211 bluetooth = new BluetoothService(context); 212 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 213 bluetooth.initAfterRegistration(); 214 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 215 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 216 bluetoothA2dp); 217 bluetooth.initAfterA2dpRegistration(); 218 219 int airplaneModeOn = Settings.System.getInt(mContentResolver, 220 Settings.System.AIRPLANE_MODE_ON, 0); 221 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 222 Settings.Secure.BLUETOOTH_ON, 0); 223 if (airplaneModeOn == 0 && bluetoothOn != 0) { 224 bluetooth.enable(); 225 } 226 } 227 228 } catch (RuntimeException e) { 229 Slog.e("System", "******************************************"); 230 Slog.e("System", "************ Failure starting core service", e); 231 } 232 233 DevicePolicyManagerService devicePolicy = null; 234 StatusBarManagerService statusBar = null; 235 InputMethodManagerService imm = null; 236 AppWidgetService appWidget = null; 237 NotificationManagerService notification = null; 238 WallpaperManagerService wallpaper = null; 239 LocationManagerService location = null; 240 CountryDetectorService countryDetector = null; 241 TextServicesManagerService tsms = null; 242 243 // Bring up services needed for UI. 244 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 245 try { 246 Slog.i(TAG, "Input Method Service"); 247 imm = new InputMethodManagerService(context); 248 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 249 } catch (Throwable e) { 250 reportWtf("starting Input Manager Service", e); 251 } 252 253 try { 254 Slog.i(TAG, "Accessibility Manager"); 255 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 256 new AccessibilityManagerService(context)); 257 } catch (Throwable e) { 258 reportWtf("starting Accessibility Manager", e); 259 } 260 } 261 262 try { 263 wm.displayReady(); 264 } catch (Throwable e) { 265 reportWtf("making display ready", e); 266 } 267 268 try { 269 ActivityManagerNative.getDefault().showBootMessage("DEXOPT!", true); 270 } catch (RemoteException e) { 271 } 272 try { 273 pm.performBootDexOpt(); 274 } catch (Throwable e) { 275 reportWtf("performing boot dexopt", e); 276 } 277 278 try { 279 ActivityManagerNative.getDefault().showBootMessage( 280 context.getResources().getText( 281 com.android.internal.R.string.android_upgrading_starting_apps), 282 false); 283 } catch (RemoteException e) { 284 } 285 286 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 287 try { 288 Slog.i(TAG, "Device Policy"); 289 devicePolicy = new DevicePolicyManagerService(context); 290 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 291 } catch (Throwable e) { 292 reportWtf("starting DevicePolicyService", e); 293 } 294 295 try { 296 Slog.i(TAG, "Status Bar"); 297 statusBar = new StatusBarManagerService(context, wm); 298 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 299 } catch (Throwable e) { 300 reportWtf("starting StatusBarManagerService", e); 301 } 302 303 try { 304 Slog.i(TAG, "Clipboard Service"); 305 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 306 new ClipboardService(context)); 307 } catch (Throwable e) { 308 reportWtf("starting Clipboard Service", e); 309 } 310 311 try { 312 Slog.i(TAG, "NetworkManagement Service"); 313 networkManagement = NetworkManagementService.create(context); 314 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 315 } catch (Throwable e) { 316 reportWtf("starting NetworkManagement Service", e); 317 } 318 319 try { 320 Slog.i(TAG, "Text Service Manager Service"); 321 tsms = new TextServicesManagerService(context); 322 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 323 } catch (Throwable e) { 324 reportWtf("starting Text Service Manager Service", e); 325 } 326 327 try { 328 Slog.i(TAG, "NetworkStats Service"); 329 networkStats = new NetworkStatsService(context, networkManagement, alarm); 330 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 331 } catch (Throwable e) { 332 reportWtf("starting NetworkStats Service", e); 333 } 334 335 try { 336 Slog.i(TAG, "NetworkPolicy Service"); 337 networkPolicy = new NetworkPolicyManagerService( 338 context, ActivityManagerService.self(), power, 339 networkStats, networkManagement); 340 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 341 } catch (Throwable e) { 342 reportWtf("starting NetworkPolicy Service", e); 343 } 344 345 try { 346 Slog.i(TAG, "Wi-Fi P2pService"); 347 wifiP2p = new WifiP2pService(context); 348 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 349 } catch (Throwable e) { 350 reportWtf("starting Wi-Fi P2pService", e); 351 } 352 353 try { 354 Slog.i(TAG, "Wi-Fi Service"); 355 wifi = new WifiService(context); 356 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 357 wifi.checkAndStartWifi(); 358 } catch (Throwable e) { 359 reportWtf("starting Wi-Fi Service", e); 360 } 361 362 try { 363 Slog.i(TAG, "Connectivity Service"); 364 connectivity = new ConnectivityService(context, networkManagement, networkPolicy); 365 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 366 networkStats.bindConnectivityManager(connectivity); 367 networkPolicy.bindConnectivityManager(connectivity); 368 wifiP2p.connectivityServiceReady(); 369 } catch (Throwable e) { 370 reportWtf("starting Connectivity Service", e); 371 } 372 373 try { 374 Slog.i(TAG, "Throttle Service"); 375 throttle = new ThrottleService(context); 376 ServiceManager.addService( 377 Context.THROTTLE_SERVICE, throttle); 378 } catch (Throwable e) { 379 reportWtf("starting ThrottleService", e); 380 } 381 382 try { 383 /* 384 * NotificationManagerService is dependant on MountService, 385 * (for media / usb notifications) so we must start MountService first. 386 */ 387 Slog.i(TAG, "Mount Service"); 388 ServiceManager.addService("mount", new MountService(context)); 389 } catch (Throwable e) { 390 reportWtf("starting Mount Service", e); 391 } 392 393 try { 394 Slog.i(TAG, "Notification Manager"); 395 notification = new NotificationManagerService(context, statusBar, lights); 396 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 397 networkPolicy.bindNotificationManager(notification); 398 } catch (Throwable e) { 399 reportWtf("starting Notification Manager", e); 400 } 401 402 try { 403 Slog.i(TAG, "Device Storage Monitor"); 404 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 405 new DeviceStorageMonitorService(context)); 406 } catch (Throwable e) { 407 reportWtf("starting DeviceStorageMonitor service", e); 408 } 409 410 try { 411 Slog.i(TAG, "Location Manager"); 412 location = new LocationManagerService(context); 413 ServiceManager.addService(Context.LOCATION_SERVICE, location); 414 } catch (Throwable e) { 415 reportWtf("starting Location Manager", e); 416 } 417 418 try { 419 Slog.i(TAG, "Country Detector"); 420 countryDetector = new CountryDetectorService(context); 421 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 422 } catch (Throwable e) { 423 reportWtf("starting Country Detector", e); 424 } 425 426 try { 427 Slog.i(TAG, "Search Service"); 428 ServiceManager.addService(Context.SEARCH_SERVICE, 429 new SearchManagerService(context)); 430 } catch (Throwable e) { 431 reportWtf("starting Search Service", e); 432 } 433 434 try { 435 Slog.i(TAG, "DropBox Service"); 436 ServiceManager.addService(Context.DROPBOX_SERVICE, 437 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 438 } catch (Throwable e) { 439 reportWtf("starting DropBoxManagerService", e); 440 } 441 442 try { 443 Slog.i(TAG, "Wallpaper Service"); 444 wallpaper = new WallpaperManagerService(context); 445 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 446 } catch (Throwable e) { 447 reportWtf("starting Wallpaper Service", e); 448 } 449 450 try { 451 Slog.i(TAG, "Audio Service"); 452 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 453 } catch (Throwable e) { 454 reportWtf("starting Audio Service", e); 455 } 456 457 try { 458 Slog.i(TAG, "Dock Observer"); 459 // Listen for dock station changes 460 dock = new DockObserver(context, power); 461 } catch (Throwable e) { 462 reportWtf("starting DockObserver", e); 463 } 464 465 try { 466 Slog.i(TAG, "Wired Accessory Observer"); 467 // Listen for wired headset changes 468 new WiredAccessoryObserver(context); 469 } catch (Throwable e) { 470 reportWtf("starting WiredAccessoryObserver", e); 471 } 472 473 try { 474 Slog.i(TAG, "USB Service"); 475 // Manage USB host and device support 476 usb = new UsbService(context); 477 ServiceManager.addService(Context.USB_SERVICE, usb); 478 } catch (Throwable e) { 479 reportWtf("starting UsbService", e); 480 } 481 482 try { 483 Slog.i(TAG, "UI Mode Manager Service"); 484 // Listen for UI mode changes 485 uiMode = new UiModeManagerService(context); 486 } catch (Throwable e) { 487 reportWtf("starting UiModeManagerService", e); 488 } 489 490 try { 491 Slog.i(TAG, "Backup Service"); 492 ServiceManager.addService(Context.BACKUP_SERVICE, 493 new BackupManagerService(context)); 494 } catch (Throwable e) { 495 Slog.e(TAG, "Failure starting Backup Service", e); 496 } 497 498 try { 499 Slog.i(TAG, "AppWidget Service"); 500 appWidget = new AppWidgetService(context); 501 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 502 } catch (Throwable e) { 503 reportWtf("starting AppWidget Service", e); 504 } 505 506 try { 507 Slog.i(TAG, "Recognition Service"); 508 recognition = new RecognitionManagerService(context); 509 } catch (Throwable e) { 510 reportWtf("starting Recognition Service", e); 511 } 512 513 try { 514 Slog.i(TAG, "DiskStats Service"); 515 ServiceManager.addService("diskstats", new DiskStatsService(context)); 516 } catch (Throwable e) { 517 reportWtf("starting DiskStats Service", e); 518 } 519 520 try { 521 // need to add this service even if SamplingProfilerIntegration.isEnabled() 522 // is false, because it is this service that detects system property change and 523 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 524 // there is little overhead for running this service. 525 Slog.i(TAG, "SamplingProfiler Service"); 526 ServiceManager.addService("samplingprofiler", 527 new SamplingProfilerService(context)); 528 } catch (Throwable e) { 529 reportWtf("starting SamplingProfiler Service", e); 530 } 531 532 try { 533 Slog.i(TAG, "NetworkTimeUpdateService"); 534 networkTimeUpdater = new NetworkTimeUpdateService(context); 535 } catch (Throwable e) { 536 reportWtf("starting NetworkTimeUpdate service", e); 537 } 538 } 539 540 // Before things start rolling, be sure we have decided whether 541 // we are in safe mode. 542 final boolean safeMode = wm.detectSafeMode(); 543 if (safeMode) { 544 ActivityManagerService.self().enterSafeMode(); 545 // Post the safe mode state in the Zygote class 546 Zygote.systemInSafeMode = true; 547 // Disable the JIT for the system_server process 548 VMRuntime.getRuntime().disableJitCompilation(); 549 } else { 550 // Enable the JIT for the system_server process 551 VMRuntime.getRuntime().startJitCompilation(); 552 } 553 554 // It is now time to start up the app processes... 555 556 if (devicePolicy != null) { 557 try { 558 devicePolicy.systemReady(); 559 } catch (Throwable e) { 560 reportWtf("making Device Policy Service ready", e); 561 } 562 } 563 564 if (notification != null) { 565 try { 566 notification.systemReady(); 567 } catch (Throwable e) { 568 reportWtf("making Notification Service ready", e); 569 } 570 } 571 572 try { 573 wm.systemReady(); 574 } catch (Throwable e) { 575 reportWtf("making Window Manager Service ready", e); 576 } 577 578 if (safeMode) { 579 ActivityManagerService.self().showSafeModeOverlay(); 580 } 581 582 // Update the configuration for this context by hand, because we're going 583 // to start using it before the config change done in wm.systemReady() will 584 // propagate to it. 585 Configuration config = wm.computeNewConfiguration(); 586 DisplayMetrics metrics = new DisplayMetrics(); 587 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 588 w.getDefaultDisplay().getMetrics(metrics); 589 context.getResources().updateConfiguration(config, metrics); 590 591 power.systemReady(); 592 try { 593 pm.systemReady(); 594 } catch (Throwable e) { 595 reportWtf("making Package Manager Service ready", e); 596 } 597 598 // These are needed to propagate to the runnable below. 599 final Context contextF = context; 600 final BatteryService batteryF = battery; 601 final NetworkManagementService networkManagementF = networkManagement; 602 final NetworkStatsService networkStatsF = networkStats; 603 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 604 final ConnectivityService connectivityF = connectivity; 605 final DockObserver dockF = dock; 606 final UsbService usbF = usb; 607 final ThrottleService throttleF = throttle; 608 final UiModeManagerService uiModeF = uiMode; 609 final AppWidgetService appWidgetF = appWidget; 610 final WallpaperManagerService wallpaperF = wallpaper; 611 final InputMethodManagerService immF = imm; 612 final RecognitionManagerService recognitionF = recognition; 613 final LocationManagerService locationF = location; 614 final CountryDetectorService countryDetectorF = countryDetector; 615 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 616 final TextServicesManagerService textServiceManagerServiceF = tsms; 617 final StatusBarManagerService statusBarF = statusBar; 618 619 // We now tell the activity manager it is okay to run third party 620 // code. It will call back into us once it has gotten to the state 621 // where third party code can really run (but before it has actually 622 // started launching the initial applications), for us to complete our 623 // initialization. 624 ActivityManagerService.self().systemReady(new Runnable() { 625 public void run() { 626 Slog.i(TAG, "Making services ready"); 627 628 startSystemUi(contextF); 629 try { 630 if (batteryF != null) batteryF.systemReady(); 631 } catch (Throwable e) { 632 reportWtf("making Battery Service ready", e); 633 } 634 try { 635 if (networkManagementF != null) networkManagementF.systemReady(); 636 } catch (Throwable e) { 637 reportWtf("making Network Managment Service ready", e); 638 } 639 try { 640 if (networkStatsF != null) networkStatsF.systemReady(); 641 } catch (Throwable e) { 642 reportWtf("making Network Stats Service ready", e); 643 } 644 try { 645 if (networkPolicyF != null) networkPolicyF.systemReady(); 646 } catch (Throwable e) { 647 reportWtf("making Network Policy Service ready", e); 648 } 649 try { 650 if (connectivityF != null) connectivityF.systemReady(); 651 } catch (Throwable e) { 652 reportWtf("making Connectivity Service ready", e); 653 } 654 try { 655 if (dockF != null) dockF.systemReady(); 656 } catch (Throwable e) { 657 reportWtf("making Dock Service ready", e); 658 } 659 try { 660 if (usbF != null) usbF.systemReady(); 661 } catch (Throwable e) { 662 reportWtf("making USB Service ready", e); 663 } 664 try { 665 if (uiModeF != null) uiModeF.systemReady(); 666 } catch (Throwable e) { 667 reportWtf("making UI Mode Service ready", e); 668 } 669 try { 670 if (recognitionF != null) recognitionF.systemReady(); 671 } catch (Throwable e) { 672 reportWtf("making Recognition Service ready", e); 673 } 674 Watchdog.getInstance().start(); 675 676 // It is now okay to let the various system services start their 677 // third party code... 678 679 try { 680 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 681 } catch (Throwable e) { 682 reportWtf("making App Widget Service ready", e); 683 } 684 try { 685 if (wallpaperF != null) wallpaperF.systemReady(); 686 } catch (Throwable e) { 687 reportWtf("making Wallpaper Service ready", e); 688 } 689 try { 690 if (immF != null) immF.systemReady(statusBarF); 691 } catch (Throwable e) { 692 reportWtf("making Input Method Service ready", e); 693 } 694 try { 695 if (locationF != null) locationF.systemReady(); 696 } catch (Throwable e) { 697 reportWtf("making Location Service ready", e); 698 } 699 try { 700 if (countryDetectorF != null) countryDetectorF.systemReady(); 701 } catch (Throwable e) { 702 reportWtf("making Country Detector Service ready", e); 703 } 704 try { 705 if (throttleF != null) throttleF.systemReady(); 706 } catch (Throwable e) { 707 reportWtf("making Throttle Service ready", e); 708 } 709 try { 710 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 711 } catch (Throwable e) { 712 reportWtf("making Network Time Service ready", e); 713 } 714 try { 715 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 716 } catch (Throwable e) { 717 reportWtf("making Text Services Manager Service ready", e); 718 } 719 } 720 }); 721 722 // For debug builds, log event loop stalls to dropbox for analysis. 723 if (StrictMode.conditionallyEnableDebugLogging()) { 724 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 725 } 726 727 Looper.loop(); 728 Slog.d(TAG, "System ServerThread is exiting!"); 729 } 730 731 static final void startSystemUi(Context context) { 732 Intent intent = new Intent(); 733 intent.setComponent(new ComponentName("com.android.systemui", 734 "com.android.systemui.SystemUIService")); 735 Slog.d(TAG, "Starting service: " + intent); 736 context.startService(intent); 737 } 738} 739 740public class SystemServer { 741 private static final String TAG = "SystemServer"; 742 743 public static final int FACTORY_TEST_OFF = 0; 744 public static final int FACTORY_TEST_LOW_LEVEL = 1; 745 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 746 747 static Timer timer; 748 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 749 750 // The earliest supported time. We pick one day into 1970, to 751 // give any timezone code room without going into negative time. 752 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 753 754 /** 755 * This method is called from Zygote to initialize the system. This will cause the native 756 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 757 * up into init2() to start the Android services. 758 */ 759 native public static void init1(String[] args); 760 761 public static void main(String[] args) { 762 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 763 // If a device's clock is before 1970 (before 0), a lot of 764 // APIs crash dealing with negative numbers, notably 765 // java.io.File#setLastModified, so instead we fake it and 766 // hope that time from cell towers or NTP fixes it 767 // shortly. 768 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 769 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 770 } 771 772 if (SamplingProfilerIntegration.isEnabled()) { 773 SamplingProfilerIntegration.start(); 774 timer = new Timer(); 775 timer.schedule(new TimerTask() { 776 @Override 777 public void run() { 778 SamplingProfilerIntegration.writeSnapshot("system_server", null); 779 } 780 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 781 } 782 783 // Mmmmmm... more memory! 784 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 785 786 // The system server has to run all of the time, so it needs to be 787 // as efficient as possible with its memory usage. 788 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 789 790 System.loadLibrary("android_servers"); 791 init1(args); 792 } 793 794 public static final void init2() { 795 Slog.i(TAG, "Entered the Android system server!"); 796 Thread thr = new ServerThread(); 797 thr.setName("android.server.ServerThread"); 798 thr.start(); 799 } 800} 801