SystemServer.java revision 8662cab5c6a01ea5c426512e6f6d2cf3e158aea0
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 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 68 private static final String ENCRYPTED_STATE = "1"; 69 70 ContentResolver mContentResolver; 71 72 void reportWtf(String msg, Throwable e) { 73 Slog.w(TAG, "***********************************************"); 74 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 75 } 76 77 @Override 78 public void run() { 79 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 80 SystemClock.uptimeMillis()); 81 82 Looper.prepare(); 83 84 android.os.Process.setThreadPriority( 85 android.os.Process.THREAD_PRIORITY_FOREGROUND); 86 87 BinderInternal.disableBackgroundScheduling(true); 88 android.os.Process.setCanSelfBackground(false); 89 90 // Check whether we failed to shut down last time we tried. 91 { 92 final String shutdownAction = SystemProperties.get( 93 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 94 if (shutdownAction != null && shutdownAction.length() > 0) { 95 boolean reboot = (shutdownAction.charAt(0) == '1'); 96 97 final String reason; 98 if (shutdownAction.length() > 1) { 99 reason = shutdownAction.substring(1, shutdownAction.length()); 100 } else { 101 reason = null; 102 } 103 104 ShutdownThread.rebootOrShutdown(reboot, reason); 105 } 106 } 107 108 String factoryTestStr = SystemProperties.get("ro.factorytest"); 109 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 110 : Integer.parseInt(factoryTestStr); 111 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 112 113 LightsService lights = null; 114 PowerManagerService power = null; 115 BatteryService battery = null; 116 AlarmManagerService alarm = null; 117 NetworkManagementService networkManagement = null; 118 NetworkStatsService networkStats = null; 119 NetworkPolicyManagerService networkPolicy = null; 120 ConnectivityService connectivity = null; 121 WifiP2pService wifiP2p = null; 122 WifiService wifi = null; 123 IPackageManager pm = null; 124 Context context = null; 125 WindowManagerService wm = null; 126 BluetoothService bluetooth = null; 127 BluetoothA2dpService bluetoothA2dp = null; 128 DockObserver dock = null; 129 UsbService usb = null; 130 SerialService serial = null; 131 UiModeManagerService uiMode = null; 132 RecognitionManagerService recognition = null; 133 ThrottleService throttle = null; 134 NetworkTimeUpdateService networkTimeUpdater = null; 135 CommonTimeManagementService commonTimeMgmtService = null; 136 137 // Critical services... 138 try { 139 Slog.i(TAG, "Entropy Mixer"); 140 ServiceManager.addService("entropy", new EntropyMixer()); 141 142 Slog.i(TAG, "Power Manager"); 143 power = new PowerManagerService(); 144 ServiceManager.addService(Context.POWER_SERVICE, power); 145 146 Slog.i(TAG, "Activity Manager"); 147 context = ActivityManagerService.main(factoryTest); 148 149 Slog.i(TAG, "Telephony Registry"); 150 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 151 152 AttributeCache.init(context); 153 154 Slog.i(TAG, "Package Manager"); 155 // Only run "core" apps if we're encrypting the device. 156 String cryptState = SystemProperties.get("vold.decrypt"); 157 boolean onlyCore = false; 158 if (ENCRYPTING_STATE.equals(cryptState)) { 159 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 160 onlyCore = true; 161 } else if (ENCRYPTED_STATE.equals(cryptState)) { 162 Slog.w(TAG, "Device encrypted - only parsing core apps"); 163 onlyCore = true; 164 } 165 166 pm = PackageManagerService.main(context, 167 factoryTest != SystemServer.FACTORY_TEST_OFF, 168 onlyCore); 169 boolean firstBoot = false; 170 try { 171 firstBoot = pm.isFirstBoot(); 172 } catch (RemoteException e) { 173 } 174 175 ActivityManagerService.setSystemProcess(); 176 177 mContentResolver = context.getContentResolver(); 178 179 // The AccountManager must come before the ContentService 180 try { 181 Slog.i(TAG, "Account Manager"); 182 ServiceManager.addService(Context.ACCOUNT_SERVICE, 183 new AccountManagerService(context)); 184 } catch (Throwable e) { 185 Slog.e(TAG, "Failure starting Account Manager", e); 186 } 187 188 Slog.i(TAG, "Content Manager"); 189 ContentService.main(context, 190 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 191 192 Slog.i(TAG, "System Content Providers"); 193 ActivityManagerService.installSystemProviders(); 194 195 Slog.i(TAG, "Lights Service"); 196 lights = new LightsService(context); 197 198 Slog.i(TAG, "Battery Service"); 199 battery = new BatteryService(context, lights); 200 ServiceManager.addService("battery", battery); 201 202 Slog.i(TAG, "Vibrator Service"); 203 ServiceManager.addService("vibrator", new VibratorService(context)); 204 205 // only initialize the power service after we have started the 206 // lights service, content providers and the battery service. 207 power.init(context, lights, ActivityManagerService.self(), battery); 208 209 Slog.i(TAG, "Alarm Manager"); 210 alarm = new AlarmManagerService(context); 211 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 212 213 Slog.i(TAG, "Init Watchdog"); 214 Watchdog.getInstance().init(context, battery, power, alarm, 215 ActivityManagerService.self()); 216 217 Slog.i(TAG, "Window Manager"); 218 wm = WindowManagerService.main(context, power, 219 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 220 !firstBoot); 221 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 222 223 ActivityManagerService.self().setWindowManager(wm); 224 225 // Skip Bluetooth if we have an emulator kernel 226 // TODO: Use a more reliable check to see if this product should 227 // support Bluetooth - see bug 988521 228 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 229 Slog.i(TAG, "No Bluetooh Service (emulator)"); 230 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 231 Slog.i(TAG, "No Bluetooth Service (factory test)"); 232 } else { 233 Slog.i(TAG, "Bluetooth Service"); 234 bluetooth = new BluetoothService(context); 235 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 236 bluetooth.initAfterRegistration(); 237 238 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 239 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 240 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 241 bluetoothA2dp); 242 bluetooth.initAfterA2dpRegistration(); 243 } 244 245 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 if (airplaneModeOn == 0 && bluetoothOn != 0) { 250 bluetooth.enable(); 251 } 252 } 253 254 } catch (RuntimeException e) { 255 Slog.e("System", "******************************************"); 256 Slog.e("System", "************ Failure starting core service", e); 257 } 258 259 DevicePolicyManagerService devicePolicy = null; 260 StatusBarManagerService statusBar = null; 261 InputMethodManagerService imm = null; 262 AppWidgetService appWidget = null; 263 NotificationManagerService notification = null; 264 WallpaperManagerService wallpaper = null; 265 LocationManagerService location = null; 266 CountryDetectorService countryDetector = null; 267 TextServicesManagerService tsms = null; 268 269 // Bring up services needed for UI. 270 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 271 try { 272 Slog.i(TAG, "Input Method Service"); 273 imm = new InputMethodManagerService(context); 274 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 275 } catch (Throwable e) { 276 reportWtf("starting Input Manager Service", e); 277 } 278 279 try { 280 Slog.i(TAG, "Accessibility Manager"); 281 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 282 new AccessibilityManagerService(context)); 283 } catch (Throwable e) { 284 reportWtf("starting Accessibility Manager", e); 285 } 286 } 287 288 try { 289 wm.displayReady(); 290 } catch (Throwable e) { 291 reportWtf("making display ready", e); 292 } 293 294 try { 295 pm.performBootDexOpt(); 296 } catch (Throwable e) { 297 reportWtf("performing boot dexopt", e); 298 } 299 300 try { 301 ActivityManagerNative.getDefault().showBootMessage( 302 context.getResources().getText( 303 com.android.internal.R.string.android_upgrading_starting_apps), 304 false); 305 } catch (RemoteException e) { 306 } 307 308 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 309 try { 310 Slog.i(TAG, "Device Policy"); 311 devicePolicy = new DevicePolicyManagerService(context); 312 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 313 } catch (Throwable e) { 314 reportWtf("starting DevicePolicyService", e); 315 } 316 317 try { 318 Slog.i(TAG, "Status Bar"); 319 statusBar = new StatusBarManagerService(context, wm); 320 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 321 } catch (Throwable e) { 322 reportWtf("starting StatusBarManagerService", e); 323 } 324 325 try { 326 Slog.i(TAG, "Clipboard Service"); 327 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 328 new ClipboardService(context)); 329 } catch (Throwable e) { 330 reportWtf("starting Clipboard Service", e); 331 } 332 333 try { 334 Slog.i(TAG, "NetworkManagement Service"); 335 networkManagement = NetworkManagementService.create(context); 336 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 337 } catch (Throwable e) { 338 reportWtf("starting NetworkManagement Service", e); 339 } 340 341 try { 342 Slog.i(TAG, "Text Service Manager Service"); 343 tsms = new TextServicesManagerService(context); 344 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 345 } catch (Throwable e) { 346 reportWtf("starting Text Service Manager Service", e); 347 } 348 349 try { 350 Slog.i(TAG, "NetworkStats Service"); 351 networkStats = new NetworkStatsService(context, networkManagement, alarm); 352 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 353 } catch (Throwable e) { 354 reportWtf("starting NetworkStats Service", e); 355 } 356 357 try { 358 Slog.i(TAG, "NetworkPolicy Service"); 359 networkPolicy = new NetworkPolicyManagerService( 360 context, ActivityManagerService.self(), power, 361 networkStats, networkManagement); 362 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 363 } catch (Throwable e) { 364 reportWtf("starting NetworkPolicy Service", e); 365 } 366 367 try { 368 Slog.i(TAG, "Wi-Fi P2pService"); 369 wifiP2p = new WifiP2pService(context); 370 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 371 } catch (Throwable e) { 372 reportWtf("starting Wi-Fi P2pService", e); 373 } 374 375 try { 376 Slog.i(TAG, "Wi-Fi Service"); 377 wifi = new WifiService(context); 378 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 379 } catch (Throwable e) { 380 reportWtf("starting Wi-Fi Service", e); 381 } 382 383 try { 384 Slog.i(TAG, "Connectivity Service"); 385 connectivity = new ConnectivityService( 386 context, networkManagement, networkStats, networkPolicy); 387 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 388 networkStats.bindConnectivityManager(connectivity); 389 networkPolicy.bindConnectivityManager(connectivity); 390 wifi.checkAndStartWifi(); 391 wifiP2p.connectivityServiceReady(); 392 } catch (Throwable e) { 393 reportWtf("starting Connectivity Service", e); 394 } 395 396 try { 397 Slog.i(TAG, "Throttle Service"); 398 throttle = new ThrottleService(context); 399 ServiceManager.addService( 400 Context.THROTTLE_SERVICE, throttle); 401 } catch (Throwable e) { 402 reportWtf("starting ThrottleService", e); 403 } 404 405 try { 406 Slog.i(TAG, "UpdateLock Service"); 407 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 408 new UpdateLockService(context)); 409 } catch (Throwable e) { 410 reportWtf("starting UpdateLockService", e); 411 } 412 413 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 414 try { 415 /* 416 * NotificationManagerService is dependant on MountService, 417 * (for media / usb notifications) so we must start MountService first. 418 */ 419 Slog.i(TAG, "Mount Service"); 420 ServiceManager.addService("mount", new MountService(context)); 421 } catch (Throwable e) { 422 reportWtf("starting Mount Service", e); 423 } 424 } 425 426 try { 427 Slog.i(TAG, "Notification Manager"); 428 notification = new NotificationManagerService(context, statusBar, lights); 429 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 430 networkPolicy.bindNotificationManager(notification); 431 } catch (Throwable e) { 432 reportWtf("starting Notification Manager", e); 433 } 434 435 try { 436 Slog.i(TAG, "Device Storage Monitor"); 437 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 438 new DeviceStorageMonitorService(context)); 439 } catch (Throwable e) { 440 reportWtf("starting DeviceStorageMonitor service", e); 441 } 442 443 try { 444 Slog.i(TAG, "Location Manager"); 445 location = new LocationManagerService(context); 446 ServiceManager.addService(Context.LOCATION_SERVICE, location); 447 } catch (Throwable e) { 448 reportWtf("starting Location Manager", e); 449 } 450 451 try { 452 Slog.i(TAG, "Country Detector"); 453 countryDetector = new CountryDetectorService(context); 454 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 455 } catch (Throwable e) { 456 reportWtf("starting Country Detector", e); 457 } 458 459 try { 460 Slog.i(TAG, "Search Service"); 461 ServiceManager.addService(Context.SEARCH_SERVICE, 462 new SearchManagerService(context)); 463 } catch (Throwable e) { 464 reportWtf("starting Search Service", e); 465 } 466 467 try { 468 Slog.i(TAG, "DropBox Service"); 469 ServiceManager.addService(Context.DROPBOX_SERVICE, 470 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 471 } catch (Throwable e) { 472 reportWtf("starting DropBoxManagerService", e); 473 } 474 475 if (context.getResources().getBoolean( 476 com.android.internal.R.bool.config_enableWallpaperService)) { 477 try { 478 Slog.i(TAG, "Wallpaper Service"); 479 if (!headless) { 480 wallpaper = new WallpaperManagerService(context); 481 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 482 } 483 } catch (Throwable e) { 484 reportWtf("starting Wallpaper Service", e); 485 } 486 } 487 488 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 489 try { 490 Slog.i(TAG, "Audio Service"); 491 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 492 } catch (Throwable e) { 493 reportWtf("starting Audio Service", e); 494 } 495 } 496 497 try { 498 Slog.i(TAG, "Dock Observer"); 499 // Listen for dock station changes 500 dock = new DockObserver(context, power); 501 } catch (Throwable e) { 502 reportWtf("starting DockObserver", e); 503 } 504 505 try { 506 Slog.i(TAG, "Wired Accessory Observer"); 507 // Listen for wired headset changes 508 new WiredAccessoryObserver(context); 509 } catch (Throwable e) { 510 reportWtf("starting WiredAccessoryObserver", e); 511 } 512 513 try { 514 Slog.i(TAG, "USB Service"); 515 // Manage USB host and device support 516 usb = new UsbService(context); 517 ServiceManager.addService(Context.USB_SERVICE, usb); 518 } catch (Throwable e) { 519 reportWtf("starting UsbService", e); 520 } 521 522 try { 523 Slog.i(TAG, "Serial Service"); 524 // Serial port support 525 serial = new SerialService(context); 526 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 527 } catch (Throwable e) { 528 Slog.e(TAG, "Failure starting SerialService", e); 529 } 530 531 try { 532 Slog.i(TAG, "UI Mode Manager Service"); 533 // Listen for UI mode changes 534 uiMode = new UiModeManagerService(context); 535 } catch (Throwable e) { 536 reportWtf("starting UiModeManagerService", e); 537 } 538 539 try { 540 Slog.i(TAG, "Backup Service"); 541 ServiceManager.addService(Context.BACKUP_SERVICE, 542 new BackupManagerService(context)); 543 } catch (Throwable e) { 544 Slog.e(TAG, "Failure starting Backup Service", e); 545 } 546 547 try { 548 Slog.i(TAG, "AppWidget Service"); 549 appWidget = new AppWidgetService(context); 550 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 551 } catch (Throwable e) { 552 reportWtf("starting AppWidget Service", e); 553 } 554 555 try { 556 Slog.i(TAG, "Recognition Service"); 557 recognition = new RecognitionManagerService(context); 558 } catch (Throwable e) { 559 reportWtf("starting Recognition Service", e); 560 } 561 562 try { 563 Slog.i(TAG, "DiskStats Service"); 564 ServiceManager.addService("diskstats", new DiskStatsService(context)); 565 } catch (Throwable e) { 566 reportWtf("starting DiskStats Service", e); 567 } 568 569 try { 570 // need to add this service even if SamplingProfilerIntegration.isEnabled() 571 // is false, because it is this service that detects system property change and 572 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 573 // there is little overhead for running this service. 574 Slog.i(TAG, "SamplingProfiler Service"); 575 ServiceManager.addService("samplingprofiler", 576 new SamplingProfilerService(context)); 577 } catch (Throwable e) { 578 reportWtf("starting SamplingProfiler Service", e); 579 } 580 581 try { 582 Slog.i(TAG, "NetworkTimeUpdateService"); 583 networkTimeUpdater = new NetworkTimeUpdateService(context); 584 } catch (Throwable e) { 585 reportWtf("starting NetworkTimeUpdate service", e); 586 } 587 588 try { 589 Slog.i(TAG, "CommonTimeManagementService"); 590 commonTimeMgmtService = new CommonTimeManagementService(context); 591 ServiceManager.addService("commontime_management", commonTimeMgmtService); 592 } catch (Throwable e) { 593 reportWtf("starting CommonTimeManagementService service", e); 594 } 595 } 596 597 // Before things start rolling, be sure we have decided whether 598 // we are in safe mode. 599 final boolean safeMode = wm.detectSafeMode(); 600 if (safeMode) { 601 ActivityManagerService.self().enterSafeMode(); 602 // Post the safe mode state in the Zygote class 603 Zygote.systemInSafeMode = true; 604 // Disable the JIT for the system_server process 605 VMRuntime.getRuntime().disableJitCompilation(); 606 } else { 607 // Enable the JIT for the system_server process 608 VMRuntime.getRuntime().startJitCompilation(); 609 } 610 611 // It is now time to start up the app processes... 612 613 if (devicePolicy != null) { 614 try { 615 devicePolicy.systemReady(); 616 } catch (Throwable e) { 617 reportWtf("making Device Policy Service ready", e); 618 } 619 } 620 621 if (notification != null) { 622 try { 623 notification.systemReady(); 624 } catch (Throwable e) { 625 reportWtf("making Notification Service ready", e); 626 } 627 } 628 629 try { 630 wm.systemReady(); 631 } catch (Throwable e) { 632 reportWtf("making Window Manager Service ready", e); 633 } 634 635 if (safeMode) { 636 ActivityManagerService.self().showSafeModeOverlay(); 637 } 638 639 // Update the configuration for this context by hand, because we're going 640 // to start using it before the config change done in wm.systemReady() will 641 // propagate to it. 642 Configuration config = wm.computeNewConfiguration(); 643 DisplayMetrics metrics = new DisplayMetrics(); 644 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 645 w.getDefaultDisplay().getMetrics(metrics); 646 context.getResources().updateConfiguration(config, metrics); 647 648 power.systemReady(); 649 try { 650 pm.systemReady(); 651 } catch (Throwable e) { 652 reportWtf("making Package Manager Service ready", e); 653 } 654 655 // These are needed to propagate to the runnable below. 656 final Context contextF = context; 657 final BatteryService batteryF = battery; 658 final NetworkManagementService networkManagementF = networkManagement; 659 final NetworkStatsService networkStatsF = networkStats; 660 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 661 final ConnectivityService connectivityF = connectivity; 662 final DockObserver dockF = dock; 663 final UsbService usbF = usb; 664 final ThrottleService throttleF = throttle; 665 final UiModeManagerService uiModeF = uiMode; 666 final AppWidgetService appWidgetF = appWidget; 667 final WallpaperManagerService wallpaperF = wallpaper; 668 final InputMethodManagerService immF = imm; 669 final RecognitionManagerService recognitionF = recognition; 670 final LocationManagerService locationF = location; 671 final CountryDetectorService countryDetectorF = countryDetector; 672 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 673 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 674 final TextServicesManagerService textServiceManagerServiceF = tsms; 675 final StatusBarManagerService statusBarF = statusBar; 676 677 // We now tell the activity manager it is okay to run third party 678 // code. It will call back into us once it has gotten to the state 679 // where third party code can really run (but before it has actually 680 // started launching the initial applications), for us to complete our 681 // initialization. 682 ActivityManagerService.self().systemReady(new Runnable() { 683 public void run() { 684 Slog.i(TAG, "Making services ready"); 685 686 if (!headless) startSystemUi(contextF); 687 try { 688 if (batteryF != null) batteryF.systemReady(); 689 } catch (Throwable e) { 690 reportWtf("making Battery Service ready", e); 691 } 692 try { 693 if (networkManagementF != null) networkManagementF.systemReady(); 694 } catch (Throwable e) { 695 reportWtf("making Network Managment Service ready", e); 696 } 697 try { 698 if (networkStatsF != null) networkStatsF.systemReady(); 699 } catch (Throwable e) { 700 reportWtf("making Network Stats Service ready", e); 701 } 702 try { 703 if (networkPolicyF != null) networkPolicyF.systemReady(); 704 } catch (Throwable e) { 705 reportWtf("making Network Policy Service ready", e); 706 } 707 try { 708 if (connectivityF != null) connectivityF.systemReady(); 709 } catch (Throwable e) { 710 reportWtf("making Connectivity Service ready", e); 711 } 712 try { 713 if (dockF != null) dockF.systemReady(); 714 } catch (Throwable e) { 715 reportWtf("making Dock Service ready", e); 716 } 717 try { 718 if (usbF != null) usbF.systemReady(); 719 } catch (Throwable e) { 720 reportWtf("making USB Service ready", e); 721 } 722 try { 723 if (uiModeF != null) uiModeF.systemReady(); 724 } catch (Throwable e) { 725 reportWtf("making UI Mode Service ready", e); 726 } 727 try { 728 if (recognitionF != null) recognitionF.systemReady(); 729 } catch (Throwable e) { 730 reportWtf("making Recognition Service ready", e); 731 } 732 Watchdog.getInstance().start(); 733 734 // It is now okay to let the various system services start their 735 // third party code... 736 737 try { 738 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 739 } catch (Throwable e) { 740 reportWtf("making App Widget Service ready", e); 741 } 742 try { 743 if (wallpaperF != null) wallpaperF.systemReady(); 744 } catch (Throwable e) { 745 reportWtf("making Wallpaper Service ready", e); 746 } 747 try { 748 if (immF != null) immF.systemReady(statusBarF); 749 } catch (Throwable e) { 750 reportWtf("making Input Method Service ready", e); 751 } 752 try { 753 if (locationF != null) locationF.systemReady(); 754 } catch (Throwable e) { 755 reportWtf("making Location Service ready", e); 756 } 757 try { 758 if (countryDetectorF != null) countryDetectorF.systemReady(); 759 } catch (Throwable e) { 760 reportWtf("making Country Detector Service ready", e); 761 } 762 try { 763 if (throttleF != null) throttleF.systemReady(); 764 } catch (Throwable e) { 765 reportWtf("making Throttle Service ready", e); 766 } 767 try { 768 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 769 } catch (Throwable e) { 770 reportWtf("making Network Time Service ready", e); 771 } 772 try { 773 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 774 } catch (Throwable e) { 775 reportWtf("making Common time management service ready", e); 776 } 777 try { 778 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 779 } catch (Throwable e) { 780 reportWtf("making Text Services Manager Service ready", e); 781 } 782 } 783 }); 784 785 // For debug builds, log event loop stalls to dropbox for analysis. 786 if (StrictMode.conditionallyEnableDebugLogging()) { 787 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 788 } 789 790 Looper.loop(); 791 Slog.d(TAG, "System ServerThread is exiting!"); 792 } 793 794 static final void startSystemUi(Context context) { 795 Intent intent = new Intent(); 796 intent.setComponent(new ComponentName("com.android.systemui", 797 "com.android.systemui.SystemUIService")); 798 Slog.d(TAG, "Starting service: " + intent); 799 context.startService(intent); 800 } 801} 802 803public class SystemServer { 804 private static final String TAG = "SystemServer"; 805 806 public static final int FACTORY_TEST_OFF = 0; 807 public static final int FACTORY_TEST_LOW_LEVEL = 1; 808 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 809 810 static Timer timer; 811 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 812 813 // The earliest supported time. We pick one day into 1970, to 814 // give any timezone code room without going into negative time. 815 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 816 817 /** 818 * This method is called from Zygote to initialize the system. This will cause the native 819 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 820 * up into init2() to start the Android services. 821 */ 822 native public static void init1(String[] args); 823 824 public static void main(String[] args) { 825 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 826 // If a device's clock is before 1970 (before 0), a lot of 827 // APIs crash dealing with negative numbers, notably 828 // java.io.File#setLastModified, so instead we fake it and 829 // hope that time from cell towers or NTP fixes it 830 // shortly. 831 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 832 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 833 } 834 835 if (SamplingProfilerIntegration.isEnabled()) { 836 SamplingProfilerIntegration.start(); 837 timer = new Timer(); 838 timer.schedule(new TimerTask() { 839 @Override 840 public void run() { 841 SamplingProfilerIntegration.writeSnapshot("system_server", null); 842 } 843 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 844 } 845 846 // Mmmmmm... more memory! 847 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 848 849 // The system server has to run all of the time, so it needs to be 850 // as efficient as possible with its memory usage. 851 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 852 853 System.loadLibrary("android_servers"); 854 init1(args); 855 } 856 857 public static final void init2() { 858 Slog.i(TAG, "Entered the Android system server!"); 859 Thread thr = new ServerThread(); 860 thr.setName("android.server.ServerThread"); 861 thr.start(); 862 } 863} 864