SystemServer.java revision e9bdb31ea1dc3c1c2b1833a4bf0031d85928a45b
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.internal.widget.LockSettingsService; 51import com.android.server.accessibility.AccessibilityManagerService; 52import com.android.server.am.ActivityManagerService; 53import com.android.server.net.NetworkPolicyManagerService; 54import com.android.server.net.NetworkStatsService; 55import com.android.server.pm.PackageManagerService; 56import com.android.server.usb.UsbService; 57import com.android.server.wm.WindowManagerService; 58 59import dalvik.system.VMRuntime; 60import dalvik.system.Zygote; 61 62import java.io.File; 63import java.util.Timer; 64import java.util.TimerTask; 65 66class ServerThread extends Thread { 67 private static final String TAG = "SystemServer"; 68 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 69 private static final String ENCRYPTED_STATE = "1"; 70 71 ContentResolver mContentResolver; 72 73 void reportWtf(String msg, Throwable e) { 74 Slog.w(TAG, "***********************************************"); 75 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 76 } 77 78 @Override 79 public void run() { 80 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 81 SystemClock.uptimeMillis()); 82 83 Looper.prepare(); 84 85 android.os.Process.setThreadPriority( 86 android.os.Process.THREAD_PRIORITY_FOREGROUND); 87 88 BinderInternal.disableBackgroundScheduling(true); 89 android.os.Process.setCanSelfBackground(false); 90 91 // Check whether we failed to shut down last time we tried. 92 { 93 final String shutdownAction = SystemProperties.get( 94 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 95 if (shutdownAction != null && shutdownAction.length() > 0) { 96 boolean reboot = (shutdownAction.charAt(0) == '1'); 97 98 final String reason; 99 if (shutdownAction.length() > 1) { 100 reason = shutdownAction.substring(1, shutdownAction.length()); 101 } else { 102 reason = null; 103 } 104 105 ShutdownThread.rebootOrShutdown(reboot, reason); 106 } 107 } 108 109 String factoryTestStr = SystemProperties.get("ro.factorytest"); 110 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 111 : Integer.parseInt(factoryTestStr); 112 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 113 114 LightsService lights = null; 115 PowerManagerService power = null; 116 BatteryService battery = null; 117 AlarmManagerService alarm = null; 118 NetworkManagementService networkManagement = null; 119 NetworkStatsService networkStats = null; 120 NetworkPolicyManagerService networkPolicy = null; 121 ConnectivityService connectivity = null; 122 WifiP2pService wifiP2p = null; 123 WifiService wifi = null; 124 NsdService serviceDiscovery= null; 125 IPackageManager pm = null; 126 Context context = null; 127 WindowManagerService wm = null; 128 BluetoothService bluetooth = null; 129 BluetoothA2dpService bluetoothA2dp = null; 130 DockObserver dock = null; 131 UsbService usb = null; 132 SerialService serial = null; 133 UiModeManagerService uiMode = null; 134 RecognitionManagerService recognition = null; 135 ThrottleService throttle = null; 136 NetworkTimeUpdateService networkTimeUpdater = null; 137 CommonTimeManagementService commonTimeMgmtService = null; 138 139 // Critical services... 140 try { 141 Slog.i(TAG, "Entropy Mixer"); 142 ServiceManager.addService("entropy", new EntropyMixer()); 143 144 Slog.i(TAG, "Power Manager"); 145 power = new PowerManagerService(); 146 ServiceManager.addService(Context.POWER_SERVICE, power); 147 148 Slog.i(TAG, "Activity Manager"); 149 context = ActivityManagerService.main(factoryTest); 150 151 Slog.i(TAG, "Telephony Registry"); 152 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 153 154 AttributeCache.init(context); 155 156 Slog.i(TAG, "Package Manager"); 157 // Only run "core" apps if we're encrypting the device. 158 String cryptState = SystemProperties.get("vold.decrypt"); 159 boolean onlyCore = false; 160 if (ENCRYPTING_STATE.equals(cryptState)) { 161 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 162 onlyCore = true; 163 } else if (ENCRYPTED_STATE.equals(cryptState)) { 164 Slog.w(TAG, "Device encrypted - only parsing core apps"); 165 onlyCore = true; 166 } 167 168 pm = PackageManagerService.main(context, 169 factoryTest != SystemServer.FACTORY_TEST_OFF, 170 onlyCore); 171 boolean firstBoot = false; 172 try { 173 firstBoot = pm.isFirstBoot(); 174 } catch (RemoteException e) { 175 } 176 177 ActivityManagerService.setSystemProcess(); 178 179 mContentResolver = context.getContentResolver(); 180 181 // The AccountManager must come before the ContentService 182 try { 183 Slog.i(TAG, "Account Manager"); 184 ServiceManager.addService(Context.ACCOUNT_SERVICE, 185 new AccountManagerService(context)); 186 } catch (Throwable e) { 187 Slog.e(TAG, "Failure starting Account Manager", e); 188 } 189 190 Slog.i(TAG, "Content Manager"); 191 ContentService.main(context, 192 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 193 194 Slog.i(TAG, "System Content Providers"); 195 ActivityManagerService.installSystemProviders(); 196 197 Slog.i(TAG, "Lights Service"); 198 lights = new LightsService(context); 199 200 Slog.i(TAG, "Battery Service"); 201 battery = new BatteryService(context, lights); 202 ServiceManager.addService("battery", battery); 203 204 Slog.i(TAG, "Vibrator Service"); 205 ServiceManager.addService("vibrator", new VibratorService(context)); 206 207 // only initialize the power service after we have started the 208 // lights service, content providers and the battery service. 209 power.init(context, lights, ActivityManagerService.self(), battery); 210 211 Slog.i(TAG, "Alarm Manager"); 212 alarm = new AlarmManagerService(context); 213 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 214 215 Slog.i(TAG, "Init Watchdog"); 216 Watchdog.getInstance().init(context, battery, power, alarm, 217 ActivityManagerService.self()); 218 219 Slog.i(TAG, "Window Manager"); 220 wm = WindowManagerService.main(context, power, 221 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 222 !firstBoot); 223 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 224 ServiceManager.addService(Context.INPUT_SERVICE, wm.getInputManagerService()); 225 226 ActivityManagerService.self().setWindowManager(wm); 227 228 // Skip Bluetooth if we have an emulator kernel 229 // TODO: Use a more reliable check to see if this product should 230 // support Bluetooth - see bug 988521 231 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 232 Slog.i(TAG, "No Bluetooh Service (emulator)"); 233 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 234 Slog.i(TAG, "No Bluetooth Service (factory test)"); 235 } else { 236 Slog.i(TAG, "Bluetooth Service"); 237 bluetooth = new BluetoothService(context); 238 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 239 bluetooth.initAfterRegistration(); 240 241 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 242 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 243 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 244 bluetoothA2dp); 245 bluetooth.initAfterA2dpRegistration(); 246 } 247 248 int airplaneModeOn = Settings.System.getInt(mContentResolver, 249 Settings.System.AIRPLANE_MODE_ON, 0); 250 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 251 Settings.Secure.BLUETOOTH_ON, 0); 252 if (airplaneModeOn == 0 && bluetoothOn != 0) { 253 bluetooth.enable(); 254 } 255 } 256 257 } catch (RuntimeException e) { 258 Slog.e("System", "******************************************"); 259 Slog.e("System", "************ Failure starting core service", e); 260 } 261 262 DevicePolicyManagerService devicePolicy = null; 263 StatusBarManagerService statusBar = null; 264 InputMethodManagerService imm = null; 265 AppWidgetService appWidget = null; 266 NotificationManagerService notification = null; 267 WallpaperManagerService wallpaper = null; 268 LocationManagerService location = null; 269 CountryDetectorService countryDetector = null; 270 TextServicesManagerService tsms = null; 271 LockSettingsService lockSettings = null; 272 273 // Bring up services needed for UI. 274 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 275 try { 276 Slog.i(TAG, "Input Method Service"); 277 imm = new InputMethodManagerService(context); 278 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 279 } catch (Throwable e) { 280 reportWtf("starting Input Manager Service", e); 281 } 282 283 try { 284 Slog.i(TAG, "Accessibility Manager"); 285 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 286 new AccessibilityManagerService(context)); 287 } catch (Throwable e) { 288 reportWtf("starting Accessibility Manager", e); 289 } 290 } 291 292 try { 293 wm.displayReady(); 294 } catch (Throwable e) { 295 reportWtf("making display ready", e); 296 } 297 298 try { 299 pm.performBootDexOpt(); 300 } catch (Throwable e) { 301 reportWtf("performing boot dexopt", e); 302 } 303 304 try { 305 ActivityManagerNative.getDefault().showBootMessage( 306 context.getResources().getText( 307 com.android.internal.R.string.android_upgrading_starting_apps), 308 false); 309 } catch (RemoteException e) { 310 } 311 312 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 313 try { 314 Slog.i(TAG, "LockSettingsService"); 315 lockSettings = new LockSettingsService(context); 316 ServiceManager.addService("lock_settings", lockSettings); 317 } catch (Throwable e) { 318 reportWtf("starting LockSettingsService service", e); 319 } 320 321 try { 322 Slog.i(TAG, "Device Policy"); 323 devicePolicy = new DevicePolicyManagerService(context); 324 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 325 } catch (Throwable e) { 326 reportWtf("starting DevicePolicyService", e); 327 } 328 329 try { 330 Slog.i(TAG, "Status Bar"); 331 statusBar = new StatusBarManagerService(context, wm); 332 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 333 } catch (Throwable e) { 334 reportWtf("starting StatusBarManagerService", e); 335 } 336 337 try { 338 Slog.i(TAG, "Clipboard Service"); 339 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 340 new ClipboardService(context)); 341 } catch (Throwable e) { 342 reportWtf("starting Clipboard Service", e); 343 } 344 345 try { 346 Slog.i(TAG, "NetworkManagement Service"); 347 networkManagement = NetworkManagementService.create(context); 348 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 349 } catch (Throwable e) { 350 reportWtf("starting NetworkManagement Service", e); 351 } 352 353 try { 354 Slog.i(TAG, "Text Service Manager Service"); 355 tsms = new TextServicesManagerService(context); 356 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 357 } catch (Throwable e) { 358 reportWtf("starting Text Service Manager Service", e); 359 } 360 361 try { 362 Slog.i(TAG, "NetworkStats Service"); 363 networkStats = new NetworkStatsService(context, networkManagement, alarm); 364 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 365 } catch (Throwable e) { 366 reportWtf("starting NetworkStats Service", e); 367 } 368 369 try { 370 Slog.i(TAG, "NetworkPolicy Service"); 371 networkPolicy = new NetworkPolicyManagerService( 372 context, ActivityManagerService.self(), power, 373 networkStats, networkManagement); 374 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 375 } catch (Throwable e) { 376 reportWtf("starting NetworkPolicy Service", e); 377 } 378 379 try { 380 Slog.i(TAG, "Wi-Fi P2pService"); 381 wifiP2p = new WifiP2pService(context); 382 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 383 } catch (Throwable e) { 384 reportWtf("starting Wi-Fi P2pService", e); 385 } 386 387 try { 388 Slog.i(TAG, "Wi-Fi Service"); 389 wifi = new WifiService(context); 390 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 391 } catch (Throwable e) { 392 reportWtf("starting Wi-Fi Service", e); 393 } 394 395 try { 396 Slog.i(TAG, "Connectivity Service"); 397 connectivity = new ConnectivityService( 398 context, networkManagement, networkStats, networkPolicy); 399 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 400 networkStats.bindConnectivityManager(connectivity); 401 networkPolicy.bindConnectivityManager(connectivity); 402 wifi.checkAndStartWifi(); 403 wifiP2p.connectivityServiceReady(); 404 } catch (Throwable e) { 405 reportWtf("starting Connectivity Service", e); 406 } 407 408 try { 409 Slog.i(TAG, "Network Service Discovery Service"); 410 serviceDiscovery = NsdService.create(context); 411 ServiceManager.addService( 412 Context.NSD_SERVICE, serviceDiscovery); 413 } catch (Throwable e) { 414 reportWtf("starting Service Discovery Service", e); 415 } 416 417 try { 418 Slog.i(TAG, "Throttle Service"); 419 throttle = new ThrottleService(context); 420 ServiceManager.addService( 421 Context.THROTTLE_SERVICE, throttle); 422 } catch (Throwable e) { 423 reportWtf("starting ThrottleService", e); 424 } 425 426 try { 427 Slog.i(TAG, "UpdateLock Service"); 428 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 429 new UpdateLockService(context)); 430 } catch (Throwable e) { 431 reportWtf("starting UpdateLockService", e); 432 } 433 434 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 435 try { 436 /* 437 * NotificationManagerService is dependant on MountService, 438 * (for media / usb notifications) so we must start MountService first. 439 */ 440 Slog.i(TAG, "Mount Service"); 441 ServiceManager.addService("mount", new MountService(context)); 442 } catch (Throwable e) { 443 reportWtf("starting Mount Service", e); 444 } 445 } 446 447 try { 448 Slog.i(TAG, "Notification Manager"); 449 notification = new NotificationManagerService(context, statusBar, lights); 450 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 451 networkPolicy.bindNotificationManager(notification); 452 } catch (Throwable e) { 453 reportWtf("starting Notification Manager", e); 454 } 455 456 try { 457 Slog.i(TAG, "Device Storage Monitor"); 458 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 459 new DeviceStorageMonitorService(context)); 460 } catch (Throwable e) { 461 reportWtf("starting DeviceStorageMonitor service", e); 462 } 463 464 try { 465 Slog.i(TAG, "Location Manager"); 466 location = new LocationManagerService(context); 467 ServiceManager.addService(Context.LOCATION_SERVICE, location); 468 } catch (Throwable e) { 469 reportWtf("starting Location Manager", e); 470 } 471 472 try { 473 Slog.i(TAG, "Country Detector"); 474 countryDetector = new CountryDetectorService(context); 475 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 476 } catch (Throwable e) { 477 reportWtf("starting Country Detector", e); 478 } 479 480 try { 481 Slog.i(TAG, "Search Service"); 482 ServiceManager.addService(Context.SEARCH_SERVICE, 483 new SearchManagerService(context)); 484 } catch (Throwable e) { 485 reportWtf("starting Search Service", e); 486 } 487 488 try { 489 Slog.i(TAG, "DropBox Service"); 490 ServiceManager.addService(Context.DROPBOX_SERVICE, 491 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 492 } catch (Throwable e) { 493 reportWtf("starting DropBoxManagerService", e); 494 } 495 496 if (context.getResources().getBoolean( 497 com.android.internal.R.bool.config_enableWallpaperService)) { 498 try { 499 Slog.i(TAG, "Wallpaper Service"); 500 if (!headless) { 501 wallpaper = new WallpaperManagerService(context); 502 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 503 } 504 } catch (Throwable e) { 505 reportWtf("starting Wallpaper Service", e); 506 } 507 } 508 509 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 510 try { 511 Slog.i(TAG, "Audio Service"); 512 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 513 } catch (Throwable e) { 514 reportWtf("starting Audio Service", e); 515 } 516 } 517 518 try { 519 Slog.i(TAG, "Dock Observer"); 520 // Listen for dock station changes 521 dock = new DockObserver(context, power); 522 } catch (Throwable e) { 523 reportWtf("starting DockObserver", e); 524 } 525 526 try { 527 Slog.i(TAG, "Wired Accessory Observer"); 528 // Listen for wired headset changes 529 new WiredAccessoryObserver(context); 530 } catch (Throwable e) { 531 reportWtf("starting WiredAccessoryObserver", e); 532 } 533 534 try { 535 Slog.i(TAG, "USB Service"); 536 // Manage USB host and device support 537 usb = new UsbService(context); 538 ServiceManager.addService(Context.USB_SERVICE, usb); 539 } catch (Throwable e) { 540 reportWtf("starting UsbService", e); 541 } 542 543 try { 544 Slog.i(TAG, "Serial Service"); 545 // Serial port support 546 serial = new SerialService(context); 547 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 548 } catch (Throwable e) { 549 Slog.e(TAG, "Failure starting SerialService", e); 550 } 551 552 try { 553 Slog.i(TAG, "UI Mode Manager Service"); 554 // Listen for UI mode changes 555 uiMode = new UiModeManagerService(context); 556 } catch (Throwable e) { 557 reportWtf("starting UiModeManagerService", e); 558 } 559 560 try { 561 Slog.i(TAG, "Backup Service"); 562 ServiceManager.addService(Context.BACKUP_SERVICE, 563 new BackupManagerService(context)); 564 } catch (Throwable e) { 565 Slog.e(TAG, "Failure starting Backup Service", e); 566 } 567 568 try { 569 Slog.i(TAG, "AppWidget Service"); 570 appWidget = new AppWidgetService(context); 571 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 572 } catch (Throwable e) { 573 reportWtf("starting AppWidget Service", e); 574 } 575 576 try { 577 Slog.i(TAG, "Recognition Service"); 578 recognition = new RecognitionManagerService(context); 579 } catch (Throwable e) { 580 reportWtf("starting Recognition Service", e); 581 } 582 583 try { 584 Slog.i(TAG, "DiskStats Service"); 585 ServiceManager.addService("diskstats", new DiskStatsService(context)); 586 } catch (Throwable e) { 587 reportWtf("starting DiskStats Service", e); 588 } 589 590 try { 591 // need to add this service even if SamplingProfilerIntegration.isEnabled() 592 // is false, because it is this service that detects system property change and 593 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 594 // there is little overhead for running this service. 595 Slog.i(TAG, "SamplingProfiler Service"); 596 ServiceManager.addService("samplingprofiler", 597 new SamplingProfilerService(context)); 598 } catch (Throwable e) { 599 reportWtf("starting SamplingProfiler Service", e); 600 } 601 602 try { 603 Slog.i(TAG, "NetworkTimeUpdateService"); 604 networkTimeUpdater = new NetworkTimeUpdateService(context); 605 } catch (Throwable e) { 606 reportWtf("starting NetworkTimeUpdate service", e); 607 } 608 609 try { 610 Slog.i(TAG, "CommonTimeManagementService"); 611 commonTimeMgmtService = new CommonTimeManagementService(context); 612 ServiceManager.addService("commontime_management", commonTimeMgmtService); 613 } catch (Throwable e) { 614 reportWtf("starting CommonTimeManagementService service", e); 615 } 616 } 617 618 // Before things start rolling, be sure we have decided whether 619 // we are in safe mode. 620 final boolean safeMode = wm.detectSafeMode(); 621 if (safeMode) { 622 ActivityManagerService.self().enterSafeMode(); 623 // Post the safe mode state in the Zygote class 624 Zygote.systemInSafeMode = true; 625 // Disable the JIT for the system_server process 626 VMRuntime.getRuntime().disableJitCompilation(); 627 } else { 628 // Enable the JIT for the system_server process 629 VMRuntime.getRuntime().startJitCompilation(); 630 } 631 632 // It is now time to start up the app processes... 633 634 if (devicePolicy != null) { 635 try { 636 devicePolicy.systemReady(); 637 } catch (Throwable e) { 638 reportWtf("making Device Policy Service ready", e); 639 } 640 } 641 642 if (notification != null) { 643 try { 644 notification.systemReady(); 645 } catch (Throwable e) { 646 reportWtf("making Notification Service ready", e); 647 } 648 } 649 650 try { 651 wm.systemReady(); 652 } catch (Throwable e) { 653 reportWtf("making Window Manager Service ready", e); 654 } 655 656 if (safeMode) { 657 ActivityManagerService.self().showSafeModeOverlay(); 658 } 659 660 // Update the configuration for this context by hand, because we're going 661 // to start using it before the config change done in wm.systemReady() will 662 // propagate to it. 663 Configuration config = wm.computeNewConfiguration(); 664 DisplayMetrics metrics = new DisplayMetrics(); 665 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 666 w.getDefaultDisplay().getMetrics(metrics); 667 context.getResources().updateConfiguration(config, metrics); 668 669 power.systemReady(); 670 try { 671 pm.systemReady(); 672 } catch (Throwable e) { 673 reportWtf("making Package Manager Service ready", e); 674 } 675 try { 676 lockSettings.systemReady(); 677 } catch (Throwable e) { 678 reportWtf("making Lock Settings Service ready", e); 679 } 680 681 // These are needed to propagate to the runnable below. 682 final Context contextF = context; 683 final BatteryService batteryF = battery; 684 final NetworkManagementService networkManagementF = networkManagement; 685 final NetworkStatsService networkStatsF = networkStats; 686 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 687 final ConnectivityService connectivityF = connectivity; 688 final DockObserver dockF = dock; 689 final UsbService usbF = usb; 690 final ThrottleService throttleF = throttle; 691 final UiModeManagerService uiModeF = uiMode; 692 final AppWidgetService appWidgetF = appWidget; 693 final WallpaperManagerService wallpaperF = wallpaper; 694 final InputMethodManagerService immF = imm; 695 final RecognitionManagerService recognitionF = recognition; 696 final LocationManagerService locationF = location; 697 final CountryDetectorService countryDetectorF = countryDetector; 698 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 699 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 700 final TextServicesManagerService textServiceManagerServiceF = tsms; 701 final StatusBarManagerService statusBarF = statusBar; 702 703 // We now tell the activity manager it is okay to run third party 704 // code. It will call back into us once it has gotten to the state 705 // where third party code can really run (but before it has actually 706 // started launching the initial applications), for us to complete our 707 // initialization. 708 ActivityManagerService.self().systemReady(new Runnable() { 709 public void run() { 710 Slog.i(TAG, "Making services ready"); 711 712 if (!headless) startSystemUi(contextF); 713 try { 714 if (batteryF != null) batteryF.systemReady(); 715 } catch (Throwable e) { 716 reportWtf("making Battery Service ready", e); 717 } 718 try { 719 if (networkManagementF != null) networkManagementF.systemReady(); 720 } catch (Throwable e) { 721 reportWtf("making Network Managment Service ready", e); 722 } 723 try { 724 if (networkStatsF != null) networkStatsF.systemReady(); 725 } catch (Throwable e) { 726 reportWtf("making Network Stats Service ready", e); 727 } 728 try { 729 if (networkPolicyF != null) networkPolicyF.systemReady(); 730 } catch (Throwable e) { 731 reportWtf("making Network Policy Service ready", e); 732 } 733 try { 734 if (connectivityF != null) connectivityF.systemReady(); 735 } catch (Throwable e) { 736 reportWtf("making Connectivity Service ready", e); 737 } 738 try { 739 if (dockF != null) dockF.systemReady(); 740 } catch (Throwable e) { 741 reportWtf("making Dock Service ready", e); 742 } 743 try { 744 if (usbF != null) usbF.systemReady(); 745 } catch (Throwable e) { 746 reportWtf("making USB Service ready", e); 747 } 748 try { 749 if (uiModeF != null) uiModeF.systemReady(); 750 } catch (Throwable e) { 751 reportWtf("making UI Mode Service ready", e); 752 } 753 try { 754 if (recognitionF != null) recognitionF.systemReady(); 755 } catch (Throwable e) { 756 reportWtf("making Recognition Service ready", e); 757 } 758 Watchdog.getInstance().start(); 759 760 // It is now okay to let the various system services start their 761 // third party code... 762 763 try { 764 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 765 } catch (Throwable e) { 766 reportWtf("making App Widget Service ready", e); 767 } 768 try { 769 if (wallpaperF != null) wallpaperF.systemReady(); 770 } catch (Throwable e) { 771 reportWtf("making Wallpaper Service ready", e); 772 } 773 try { 774 if (immF != null) immF.systemReady(statusBarF); 775 } catch (Throwable e) { 776 reportWtf("making Input Method Service ready", e); 777 } 778 try { 779 if (locationF != null) locationF.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Location Service ready", e); 782 } 783 try { 784 if (countryDetectorF != null) countryDetectorF.systemReady(); 785 } catch (Throwable e) { 786 reportWtf("making Country Detector Service ready", e); 787 } 788 try { 789 if (throttleF != null) throttleF.systemReady(); 790 } catch (Throwable e) { 791 reportWtf("making Throttle Service ready", e); 792 } 793 try { 794 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 795 } catch (Throwable e) { 796 reportWtf("making Network Time Service ready", e); 797 } 798 try { 799 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 800 } catch (Throwable e) { 801 reportWtf("making Common time management service ready", e); 802 } 803 try { 804 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 805 } catch (Throwable e) { 806 reportWtf("making Text Services Manager Service ready", e); 807 } 808 } 809 }); 810 811 // For debug builds, log event loop stalls to dropbox for analysis. 812 if (StrictMode.conditionallyEnableDebugLogging()) { 813 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 814 } 815 816 Looper.loop(); 817 Slog.d(TAG, "System ServerThread is exiting!"); 818 } 819 820 static final void startSystemUi(Context context) { 821 Intent intent = new Intent(); 822 intent.setComponent(new ComponentName("com.android.systemui", 823 "com.android.systemui.SystemUIService")); 824 Slog.d(TAG, "Starting service: " + intent); 825 context.startService(intent); 826 } 827} 828 829public class SystemServer { 830 private static final String TAG = "SystemServer"; 831 832 public static final int FACTORY_TEST_OFF = 0; 833 public static final int FACTORY_TEST_LOW_LEVEL = 1; 834 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 835 836 static Timer timer; 837 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 838 839 // The earliest supported time. We pick one day into 1970, to 840 // give any timezone code room without going into negative time. 841 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 842 843 /** 844 * This method is called from Zygote to initialize the system. This will cause the native 845 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 846 * up into init2() to start the Android services. 847 */ 848 native public static void init1(String[] args); 849 850 public static void main(String[] args) { 851 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 852 // If a device's clock is before 1970 (before 0), a lot of 853 // APIs crash dealing with negative numbers, notably 854 // java.io.File#setLastModified, so instead we fake it and 855 // hope that time from cell towers or NTP fixes it 856 // shortly. 857 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 858 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 859 } 860 861 if (SamplingProfilerIntegration.isEnabled()) { 862 SamplingProfilerIntegration.start(); 863 timer = new Timer(); 864 timer.schedule(new TimerTask() { 865 @Override 866 public void run() { 867 SamplingProfilerIntegration.writeSnapshot("system_server", null); 868 } 869 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 870 } 871 872 // Mmmmmm... more memory! 873 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 874 875 // The system server has to run all of the time, so it needs to be 876 // as efficient as possible with its memory usage. 877 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 878 879 System.loadLibrary("android_servers"); 880 init1(args); 881 } 882 883 public static final void init2() { 884 Slog.i(TAG, "Entered the Android system server!"); 885 Thread thr = new ServerThread(); 886 thr.setName("android.server.ServerThread"); 887 thr.start(); 888 } 889} 890