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 17 package com.android.server; 18 19 import android.accounts.AccountManagerService; 20 import android.app.ActivityManagerNative; 21 import android.bluetooth.BluetoothAdapter; 22 import android.content.ComponentName; 23 import android.content.ContentResolver; 24 import android.content.ContentService; 25 import android.content.Context; 26 import android.content.Intent; 27 import android.content.pm.IPackageManager; 28 import android.content.res.Configuration; 29 import android.media.AudioService; 30 import android.net.wifi.p2p.WifiP2pService; 31 import android.os.Looper; 32 import android.os.RemoteException; 33 import android.os.ServiceManager; 34 import android.os.StrictMode; 35 import android.os.SystemClock; 36 import android.os.SystemProperties; 37 import android.provider.Settings; 38 import android.server.BluetoothA2dpService; 39 import android.server.BluetoothService; 40 import android.server.search.SearchManagerService; 41 import android.util.DisplayMetrics; 42 import android.util.EventLog; 43 import android.util.Log; 44 import android.util.Slog; 45 import android.view.WindowManager; 46 47 import com.android.internal.app.ShutdownThread; 48 import com.android.internal.os.BinderInternal; 49 import com.android.internal.os.SamplingProfilerIntegration; 50 import com.android.server.accessibility.AccessibilityManagerService; 51 import com.android.server.am.ActivityManagerService; 52 import com.android.server.net.NetworkPolicyManagerService; 53 import com.android.server.net.NetworkStatsService; 54 import com.android.server.pm.PackageManagerService; 55 import com.android.server.usb.UsbService; 56 import com.android.server.wm.WindowManagerService; 57 58 import dalvik.system.VMRuntime; 59 import dalvik.system.Zygote; 60 61 import java.io.File; 62 import java.util.Timer; 63 import java.util.TimerTask; 64 65 class 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 reportWtf(String msg, Throwable e)72 void reportWtf(String msg, Throwable e) { 73 Slog.w(TAG, "***********************************************"); 74 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 75 } 76 77 @Override run()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); 111 112 LightsService lights = null; 113 PowerManagerService power = null; 114 BatteryService battery = null; 115 AlarmManagerService alarm = null; 116 NetworkManagementService networkManagement = null; 117 NetworkStatsService networkStats = null; 118 NetworkPolicyManagerService networkPolicy = null; 119 ConnectivityService connectivity = null; 120 WifiP2pService wifiP2p = null; 121 WifiService wifi = null; 122 IPackageManager pm = null; 123 Context context = null; 124 WindowManagerService wm = null; 125 BluetoothService bluetooth = null; 126 BluetoothA2dpService bluetoothA2dp = null; 127 DockObserver dock = null; 128 UsbService usb = null; 129 UiModeManagerService uiMode = null; 130 RecognitionManagerService recognition = null; 131 ThrottleService throttle = null; 132 NetworkTimeUpdateService networkTimeUpdater = null; 133 134 // Critical services... 135 try { 136 Slog.i(TAG, "Entropy Service"); 137 ServiceManager.addService("entropy", new EntropyService()); 138 139 Slog.i(TAG, "Power Manager"); 140 power = new PowerManagerService(); 141 ServiceManager.addService(Context.POWER_SERVICE, power); 142 143 Slog.i(TAG, "Activity Manager"); 144 context = ActivityManagerService.main(factoryTest); 145 146 Slog.i(TAG, "Telephony Registry"); 147 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 148 149 AttributeCache.init(context); 150 151 Slog.i(TAG, "Package Manager"); 152 // Only run "core" apps if we're encrypting the device. 153 String cryptState = SystemProperties.get("vold.decrypt"); 154 boolean onlyCore = false; 155 if (ENCRYPTING_STATE.equals(cryptState)) { 156 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 157 onlyCore = true; 158 } else if (ENCRYPTED_STATE.equals(cryptState)) { 159 Slog.w(TAG, "Device encrypted - only parsing core apps"); 160 onlyCore = true; 161 } 162 163 pm = PackageManagerService.main(context, 164 factoryTest != SystemServer.FACTORY_TEST_OFF, 165 onlyCore); 166 boolean firstBoot = false; 167 try { 168 firstBoot = pm.isFirstBoot(); 169 } catch (RemoteException e) { 170 } 171 172 ActivityManagerService.setSystemProcess(); 173 174 mContentResolver = context.getContentResolver(); 175 176 // The AccountManager must come before the ContentService 177 try { 178 Slog.i(TAG, "Account Manager"); 179 ServiceManager.addService(Context.ACCOUNT_SERVICE, 180 new AccountManagerService(context)); 181 } catch (Throwable e) { 182 Slog.e(TAG, "Failure starting Account Manager", e); 183 } 184 185 Slog.i(TAG, "Content Manager"); 186 ContentService.main(context, 187 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 188 189 Slog.i(TAG, "System Content Providers"); 190 ActivityManagerService.installSystemProviders(); 191 192 Slog.i(TAG, "Lights Service"); 193 lights = new LightsService(context); 194 195 Slog.i(TAG, "Battery Service"); 196 battery = new BatteryService(context, lights); 197 ServiceManager.addService("battery", battery); 198 199 Slog.i(TAG, "Vibrator Service"); 200 ServiceManager.addService("vibrator", new VibratorService(context)); 201 202 // only initialize the power service after we have started the 203 // lights service, content providers and the battery service. 204 power.init(context, lights, ActivityManagerService.self(), battery); 205 206 Slog.i(TAG, "Alarm Manager"); 207 alarm = new AlarmManagerService(context); 208 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 209 210 Slog.i(TAG, "Init Watchdog"); 211 Watchdog.getInstance().init(context, battery, power, alarm, 212 ActivityManagerService.self()); 213 214 Slog.i(TAG, "Window Manager"); 215 wm = WindowManagerService.main(context, power, 216 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 217 !firstBoot); 218 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 219 220 ActivityManagerService.self().setWindowManager(wm); 221 222 // Skip Bluetooth if we have an emulator kernel 223 // TODO: Use a more reliable check to see if this product should 224 // support Bluetooth - see bug 988521 225 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 226 Slog.i(TAG, "No Bluetooh Service (emulator)"); 227 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 228 Slog.i(TAG, "No Bluetooth Service (factory test)"); 229 } else { 230 Slog.i(TAG, "Bluetooth Service"); 231 bluetooth = new BluetoothService(context); 232 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 233 bluetooth.initAfterRegistration(); 234 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 235 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 236 bluetoothA2dp); 237 bluetooth.initAfterA2dpRegistration(); 238 239 int airplaneModeOn = Settings.System.getInt(mContentResolver, 240 Settings.System.AIRPLANE_MODE_ON, 0); 241 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 242 Settings.Secure.BLUETOOTH_ON, 0); 243 if (airplaneModeOn == 0 && bluetoothOn != 0) { 244 bluetooth.enable(); 245 } 246 } 247 248 } catch (RuntimeException e) { 249 Slog.e("System", "******************************************"); 250 Slog.e("System", "************ Failure starting core service", e); 251 } 252 253 DevicePolicyManagerService devicePolicy = null; 254 StatusBarManagerService statusBar = null; 255 InputMethodManagerService imm = null; 256 AppWidgetService appWidget = null; 257 NotificationManagerService notification = null; 258 WallpaperManagerService wallpaper = null; 259 LocationManagerService location = null; 260 CountryDetectorService countryDetector = null; 261 TextServicesManagerService tsms = null; 262 263 // Bring up services needed for UI. 264 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 265 try { 266 Slog.i(TAG, "Input Method Service"); 267 imm = new InputMethodManagerService(context); 268 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 269 } catch (Throwable e) { 270 reportWtf("starting Input Manager Service", e); 271 } 272 273 try { 274 Slog.i(TAG, "Accessibility Manager"); 275 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 276 new AccessibilityManagerService(context)); 277 } catch (Throwable e) { 278 reportWtf("starting Accessibility Manager", e); 279 } 280 } 281 282 try { 283 wm.displayReady(); 284 } catch (Throwable e) { 285 reportWtf("making display ready", e); 286 } 287 288 try { 289 pm.performBootDexOpt(); 290 } catch (Throwable e) { 291 reportWtf("performing boot dexopt", e); 292 } 293 294 try { 295 ActivityManagerNative.getDefault().showBootMessage( 296 context.getResources().getText( 297 com.android.internal.R.string.android_upgrading_starting_apps), 298 false); 299 } catch (RemoteException e) { 300 } 301 302 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 303 try { 304 Slog.i(TAG, "Device Policy"); 305 devicePolicy = new DevicePolicyManagerService(context); 306 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 307 } catch (Throwable e) { 308 reportWtf("starting DevicePolicyService", e); 309 } 310 311 try { 312 Slog.i(TAG, "Status Bar"); 313 statusBar = new StatusBarManagerService(context, wm); 314 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 315 } catch (Throwable e) { 316 reportWtf("starting StatusBarManagerService", e); 317 } 318 319 try { 320 Slog.i(TAG, "Clipboard Service"); 321 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 322 new ClipboardService(context)); 323 } catch (Throwable e) { 324 reportWtf("starting Clipboard Service", e); 325 } 326 327 try { 328 Slog.i(TAG, "NetworkManagement Service"); 329 networkManagement = NetworkManagementService.create(context); 330 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 331 } catch (Throwable e) { 332 reportWtf("starting NetworkManagement Service", e); 333 } 334 335 try { 336 Slog.i(TAG, "Text Service Manager Service"); 337 tsms = new TextServicesManagerService(context); 338 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 339 } catch (Throwable e) { 340 reportWtf("starting Text Service Manager Service", e); 341 } 342 343 try { 344 Slog.i(TAG, "NetworkStats Service"); 345 networkStats = new NetworkStatsService(context, networkManagement, alarm); 346 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 347 } catch (Throwable e) { 348 reportWtf("starting NetworkStats Service", e); 349 } 350 351 try { 352 Slog.i(TAG, "NetworkPolicy Service"); 353 networkPolicy = new NetworkPolicyManagerService( 354 context, ActivityManagerService.self(), power, 355 networkStats, networkManagement); 356 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 357 } catch (Throwable e) { 358 reportWtf("starting NetworkPolicy Service", e); 359 } 360 361 try { 362 Slog.i(TAG, "Wi-Fi P2pService"); 363 wifiP2p = new WifiP2pService(context); 364 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 365 } catch (Throwable e) { 366 reportWtf("starting Wi-Fi P2pService", e); 367 } 368 369 try { 370 Slog.i(TAG, "Wi-Fi Service"); 371 wifi = new WifiService(context); 372 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 373 } catch (Throwable e) { 374 reportWtf("starting Wi-Fi Service", e); 375 } 376 377 try { 378 Slog.i(TAG, "Connectivity Service"); 379 connectivity = new ConnectivityService( 380 context, networkManagement, networkStats, networkPolicy); 381 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 382 networkStats.bindConnectivityManager(connectivity); 383 networkPolicy.bindConnectivityManager(connectivity); 384 wifi.checkAndStartWifi(); 385 wifiP2p.connectivityServiceReady(); 386 } catch (Throwable e) { 387 reportWtf("starting Connectivity Service", e); 388 } 389 390 try { 391 Slog.i(TAG, "Throttle Service"); 392 throttle = new ThrottleService(context); 393 ServiceManager.addService( 394 Context.THROTTLE_SERVICE, throttle); 395 } catch (Throwable e) { 396 reportWtf("starting ThrottleService", e); 397 } 398 399 try { 400 /* 401 * NotificationManagerService is dependant on MountService, 402 * (for media / usb notifications) so we must start MountService first. 403 */ 404 Slog.i(TAG, "Mount Service"); 405 ServiceManager.addService("mount", new MountService(context)); 406 } catch (Throwable e) { 407 reportWtf("starting Mount Service", e); 408 } 409 410 try { 411 Slog.i(TAG, "Notification Manager"); 412 notification = new NotificationManagerService(context, statusBar, lights); 413 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 414 networkPolicy.bindNotificationManager(notification); 415 } catch (Throwable e) { 416 reportWtf("starting Notification Manager", e); 417 } 418 419 try { 420 Slog.i(TAG, "Device Storage Monitor"); 421 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 422 new DeviceStorageMonitorService(context)); 423 } catch (Throwable e) { 424 reportWtf("starting DeviceStorageMonitor service", e); 425 } 426 427 try { 428 Slog.i(TAG, "Location Manager"); 429 location = new LocationManagerService(context); 430 ServiceManager.addService(Context.LOCATION_SERVICE, location); 431 } catch (Throwable e) { 432 reportWtf("starting Location Manager", e); 433 } 434 435 try { 436 Slog.i(TAG, "Country Detector"); 437 countryDetector = new CountryDetectorService(context); 438 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 439 } catch (Throwable e) { 440 reportWtf("starting Country Detector", e); 441 } 442 443 try { 444 Slog.i(TAG, "Search Service"); 445 ServiceManager.addService(Context.SEARCH_SERVICE, 446 new SearchManagerService(context)); 447 } catch (Throwable e) { 448 reportWtf("starting Search Service", e); 449 } 450 451 try { 452 Slog.i(TAG, "DropBox Service"); 453 ServiceManager.addService(Context.DROPBOX_SERVICE, 454 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 455 } catch (Throwable e) { 456 reportWtf("starting DropBoxManagerService", e); 457 } 458 459 try { 460 Slog.i(TAG, "Wallpaper Service"); 461 wallpaper = new WallpaperManagerService(context); 462 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 463 } catch (Throwable e) { 464 reportWtf("starting Wallpaper Service", e); 465 } 466 467 try { 468 Slog.i(TAG, "Audio Service"); 469 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 470 } catch (Throwable e) { 471 reportWtf("starting Audio Service", e); 472 } 473 474 try { 475 Slog.i(TAG, "Dock Observer"); 476 // Listen for dock station changes 477 dock = new DockObserver(context, power); 478 } catch (Throwable e) { 479 reportWtf("starting DockObserver", e); 480 } 481 482 try { 483 Slog.i(TAG, "Wired Accessory Observer"); 484 // Listen for wired headset changes 485 new WiredAccessoryObserver(context); 486 } catch (Throwable e) { 487 reportWtf("starting WiredAccessoryObserver", e); 488 } 489 490 try { 491 Slog.i(TAG, "USB Service"); 492 // Manage USB host and device support 493 usb = new UsbService(context); 494 ServiceManager.addService(Context.USB_SERVICE, usb); 495 } catch (Throwable e) { 496 reportWtf("starting UsbService", e); 497 } 498 499 try { 500 Slog.i(TAG, "UI Mode Manager Service"); 501 // Listen for UI mode changes 502 uiMode = new UiModeManagerService(context); 503 } catch (Throwable e) { 504 reportWtf("starting UiModeManagerService", e); 505 } 506 507 try { 508 Slog.i(TAG, "Backup Service"); 509 ServiceManager.addService(Context.BACKUP_SERVICE, 510 new BackupManagerService(context)); 511 } catch (Throwable e) { 512 Slog.e(TAG, "Failure starting Backup Service", e); 513 } 514 515 try { 516 Slog.i(TAG, "AppWidget Service"); 517 appWidget = new AppWidgetService(context); 518 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 519 } catch (Throwable e) { 520 reportWtf("starting AppWidget Service", e); 521 } 522 523 try { 524 Slog.i(TAG, "Recognition Service"); 525 recognition = new RecognitionManagerService(context); 526 } catch (Throwable e) { 527 reportWtf("starting Recognition Service", e); 528 } 529 530 try { 531 Slog.i(TAG, "DiskStats Service"); 532 ServiceManager.addService("diskstats", new DiskStatsService(context)); 533 } catch (Throwable e) { 534 reportWtf("starting DiskStats Service", e); 535 } 536 537 try { 538 // need to add this service even if SamplingProfilerIntegration.isEnabled() 539 // is false, because it is this service that detects system property change and 540 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 541 // there is little overhead for running this service. 542 Slog.i(TAG, "SamplingProfiler Service"); 543 ServiceManager.addService("samplingprofiler", 544 new SamplingProfilerService(context)); 545 } catch (Throwable e) { 546 reportWtf("starting SamplingProfiler Service", e); 547 } 548 549 try { 550 Slog.i(TAG, "NetworkTimeUpdateService"); 551 networkTimeUpdater = new NetworkTimeUpdateService(context); 552 } catch (Throwable e) { 553 reportWtf("starting NetworkTimeUpdate service", e); 554 } 555 } 556 557 // Before things start rolling, be sure we have decided whether 558 // we are in safe mode. 559 final boolean safeMode = wm.detectSafeMode(); 560 if (safeMode) { 561 ActivityManagerService.self().enterSafeMode(); 562 // Post the safe mode state in the Zygote class 563 Zygote.systemInSafeMode = true; 564 // Disable the JIT for the system_server process 565 VMRuntime.getRuntime().disableJitCompilation(); 566 } else { 567 // Enable the JIT for the system_server process 568 VMRuntime.getRuntime().startJitCompilation(); 569 } 570 571 // It is now time to start up the app processes... 572 573 if (devicePolicy != null) { 574 try { 575 devicePolicy.systemReady(); 576 } catch (Throwable e) { 577 reportWtf("making Device Policy Service ready", e); 578 } 579 } 580 581 if (notification != null) { 582 try { 583 notification.systemReady(); 584 } catch (Throwable e) { 585 reportWtf("making Notification Service ready", e); 586 } 587 } 588 589 try { 590 wm.systemReady(); 591 } catch (Throwable e) { 592 reportWtf("making Window Manager Service ready", e); 593 } 594 595 if (safeMode) { 596 ActivityManagerService.self().showSafeModeOverlay(); 597 } 598 599 // Update the configuration for this context by hand, because we're going 600 // to start using it before the config change done in wm.systemReady() will 601 // propagate to it. 602 Configuration config = wm.computeNewConfiguration(); 603 DisplayMetrics metrics = new DisplayMetrics(); 604 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 605 w.getDefaultDisplay().getMetrics(metrics); 606 context.getResources().updateConfiguration(config, metrics); 607 608 power.systemReady(); 609 try { 610 pm.systemReady(); 611 } catch (Throwable e) { 612 reportWtf("making Package Manager Service ready", e); 613 } 614 615 // These are needed to propagate to the runnable below. 616 final Context contextF = context; 617 final BatteryService batteryF = battery; 618 final NetworkManagementService networkManagementF = networkManagement; 619 final NetworkStatsService networkStatsF = networkStats; 620 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 621 final ConnectivityService connectivityF = connectivity; 622 final DockObserver dockF = dock; 623 final UsbService usbF = usb; 624 final ThrottleService throttleF = throttle; 625 final UiModeManagerService uiModeF = uiMode; 626 final AppWidgetService appWidgetF = appWidget; 627 final WallpaperManagerService wallpaperF = wallpaper; 628 final InputMethodManagerService immF = imm; 629 final RecognitionManagerService recognitionF = recognition; 630 final LocationManagerService locationF = location; 631 final CountryDetectorService countryDetectorF = countryDetector; 632 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 633 final TextServicesManagerService textServiceManagerServiceF = tsms; 634 final StatusBarManagerService statusBarF = statusBar; 635 636 // We now tell the activity manager it is okay to run third party 637 // code. It will call back into us once it has gotten to the state 638 // where third party code can really run (but before it has actually 639 // started launching the initial applications), for us to complete our 640 // initialization. 641 ActivityManagerService.self().systemReady(new Runnable() { 642 public void run() { 643 Slog.i(TAG, "Making services ready"); 644 645 startSystemUi(contextF); 646 try { 647 if (batteryF != null) batteryF.systemReady(); 648 } catch (Throwable e) { 649 reportWtf("making Battery Service ready", e); 650 } 651 try { 652 if (networkManagementF != null) networkManagementF.systemReady(); 653 } catch (Throwable e) { 654 reportWtf("making Network Managment Service ready", e); 655 } 656 try { 657 if (networkStatsF != null) networkStatsF.systemReady(); 658 } catch (Throwable e) { 659 reportWtf("making Network Stats Service ready", e); 660 } 661 try { 662 if (networkPolicyF != null) networkPolicyF.systemReady(); 663 } catch (Throwable e) { 664 reportWtf("making Network Policy Service ready", e); 665 } 666 try { 667 if (connectivityF != null) connectivityF.systemReady(); 668 } catch (Throwable e) { 669 reportWtf("making Connectivity Service ready", e); 670 } 671 try { 672 if (dockF != null) dockF.systemReady(); 673 } catch (Throwable e) { 674 reportWtf("making Dock Service ready", e); 675 } 676 try { 677 if (usbF != null) usbF.systemReady(); 678 } catch (Throwable e) { 679 reportWtf("making USB Service ready", e); 680 } 681 try { 682 if (uiModeF != null) uiModeF.systemReady(); 683 } catch (Throwable e) { 684 reportWtf("making UI Mode Service ready", e); 685 } 686 try { 687 if (recognitionF != null) recognitionF.systemReady(); 688 } catch (Throwable e) { 689 reportWtf("making Recognition Service ready", e); 690 } 691 Watchdog.getInstance().start(); 692 693 // It is now okay to let the various system services start their 694 // third party code... 695 696 try { 697 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 698 } catch (Throwable e) { 699 reportWtf("making App Widget Service ready", e); 700 } 701 try { 702 if (wallpaperF != null) wallpaperF.systemReady(); 703 } catch (Throwable e) { 704 reportWtf("making Wallpaper Service ready", e); 705 } 706 try { 707 if (immF != null) immF.systemReady(statusBarF); 708 } catch (Throwable e) { 709 reportWtf("making Input Method Service ready", e); 710 } 711 try { 712 if (locationF != null) locationF.systemReady(); 713 } catch (Throwable e) { 714 reportWtf("making Location Service ready", e); 715 } 716 try { 717 if (countryDetectorF != null) countryDetectorF.systemReady(); 718 } catch (Throwable e) { 719 reportWtf("making Country Detector Service ready", e); 720 } 721 try { 722 if (throttleF != null) throttleF.systemReady(); 723 } catch (Throwable e) { 724 reportWtf("making Throttle Service ready", e); 725 } 726 try { 727 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 728 } catch (Throwable e) { 729 reportWtf("making Network Time Service ready", e); 730 } 731 try { 732 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 733 } catch (Throwable e) { 734 reportWtf("making Text Services Manager Service ready", e); 735 } 736 } 737 }); 738 739 // For debug builds, log event loop stalls to dropbox for analysis. 740 if (StrictMode.conditionallyEnableDebugLogging()) { 741 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 742 } 743 744 Looper.loop(); 745 Slog.d(TAG, "System ServerThread is exiting!"); 746 } 747 startSystemUi(Context context)748 static final void startSystemUi(Context context) { 749 Intent intent = new Intent(); 750 intent.setComponent(new ComponentName("com.android.systemui", 751 "com.android.systemui.SystemUIService")); 752 Slog.d(TAG, "Starting service: " + intent); 753 context.startService(intent); 754 } 755 } 756 757 public class SystemServer { 758 private static final String TAG = "SystemServer"; 759 760 public static final int FACTORY_TEST_OFF = 0; 761 public static final int FACTORY_TEST_LOW_LEVEL = 1; 762 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 763 764 static Timer timer; 765 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 766 767 // The earliest supported time. We pick one day into 1970, to 768 // give any timezone code room without going into negative time. 769 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 770 771 /** 772 * This method is called from Zygote to initialize the system. This will cause the native 773 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 774 * up into init2() to start the Android services. 775 */ init1(String[] args)776 native public static void init1(String[] args); 777 main(String[] args)778 public static void main(String[] args) { 779 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 780 // If a device's clock is before 1970 (before 0), a lot of 781 // APIs crash dealing with negative numbers, notably 782 // java.io.File#setLastModified, so instead we fake it and 783 // hope that time from cell towers or NTP fixes it 784 // shortly. 785 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 786 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 787 } 788 789 if (SamplingProfilerIntegration.isEnabled()) { 790 SamplingProfilerIntegration.start(); 791 timer = new Timer(); 792 timer.schedule(new TimerTask() { 793 @Override 794 public void run() { 795 SamplingProfilerIntegration.writeSnapshot("system_server", null); 796 } 797 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 798 } 799 800 // Mmmmmm... more memory! 801 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 802 803 // The system server has to run all of the time, so it needs to be 804 // as efficient as possible with its memory usage. 805 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 806 807 System.loadLibrary("android_servers"); 808 init1(args); 809 } 810 init2()811 public static final void init2() { 812 Slog.i(TAG, "Entered the Android system server!"); 813 Thread thr = new ServerThread(); 814 thr.setName("android.server.ServerThread"); 815 thr.start(); 816 } 817 } 818