SystemServer.java revision 7d024d372431effc87168afdc7cbe387680c4935
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 NsdService serviceDiscovery= null; 124 IPackageManager pm = null; 125 Context context = null; 126 WindowManagerService wm = null; 127 BluetoothService bluetooth = null; 128 BluetoothA2dpService bluetoothA2dp = null; 129 DockObserver dock = null; 130 UsbService usb = null; 131 SerialService serial = null; 132 UiModeManagerService uiMode = null; 133 RecognitionManagerService recognition = null; 134 ThrottleService throttle = null; 135 NetworkTimeUpdateService networkTimeUpdater = null; 136 CommonTimeManagementService commonTimeMgmtService = null; 137 138 // Critical services... 139 try { 140 Slog.i(TAG, "Entropy Mixer"); 141 ServiceManager.addService("entropy", new EntropyMixer()); 142 143 Slog.i(TAG, "Power Manager"); 144 power = new PowerManagerService(); 145 ServiceManager.addService(Context.POWER_SERVICE, power); 146 147 Slog.i(TAG, "Activity Manager"); 148 context = ActivityManagerService.main(factoryTest); 149 150 Slog.i(TAG, "Telephony Registry"); 151 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 152 153 AttributeCache.init(context); 154 155 Slog.i(TAG, "Package Manager"); 156 // Only run "core" apps if we're encrypting the device. 157 String cryptState = SystemProperties.get("vold.decrypt"); 158 boolean onlyCore = false; 159 if (ENCRYPTING_STATE.equals(cryptState)) { 160 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 161 onlyCore = true; 162 } else if (ENCRYPTED_STATE.equals(cryptState)) { 163 Slog.w(TAG, "Device encrypted - only parsing core apps"); 164 onlyCore = true; 165 } 166 167 pm = PackageManagerService.main(context, 168 factoryTest != SystemServer.FACTORY_TEST_OFF, 169 onlyCore); 170 boolean firstBoot = false; 171 try { 172 firstBoot = pm.isFirstBoot(); 173 } catch (RemoteException e) { 174 } 175 176 ActivityManagerService.setSystemProcess(); 177 178 mContentResolver = context.getContentResolver(); 179 180 // The AccountManager must come before the ContentService 181 try { 182 Slog.i(TAG, "Account Manager"); 183 ServiceManager.addService(Context.ACCOUNT_SERVICE, 184 new AccountManagerService(context)); 185 } catch (Throwable e) { 186 Slog.e(TAG, "Failure starting Account Manager", e); 187 } 188 189 Slog.i(TAG, "Content Manager"); 190 ContentService.main(context, 191 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 192 193 Slog.i(TAG, "System Content Providers"); 194 ActivityManagerService.installSystemProviders(); 195 196 Slog.i(TAG, "Lights Service"); 197 lights = new LightsService(context); 198 199 Slog.i(TAG, "Battery Service"); 200 battery = new BatteryService(context, lights); 201 ServiceManager.addService("battery", battery); 202 203 Slog.i(TAG, "Vibrator Service"); 204 ServiceManager.addService("vibrator", new VibratorService(context)); 205 206 // only initialize the power service after we have started the 207 // lights service, content providers and the battery service. 208 power.init(context, lights, ActivityManagerService.self(), battery); 209 210 Slog.i(TAG, "Alarm Manager"); 211 alarm = new AlarmManagerService(context); 212 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 213 214 Slog.i(TAG, "Init Watchdog"); 215 Watchdog.getInstance().init(context, battery, power, alarm, 216 ActivityManagerService.self()); 217 218 Slog.i(TAG, "Window Manager"); 219 wm = WindowManagerService.main(context, power, 220 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 221 !firstBoot); 222 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 223 224 ActivityManagerService.self().setWindowManager(wm); 225 226 // Skip Bluetooth if we have an emulator kernel 227 // TODO: Use a more reliable check to see if this product should 228 // support Bluetooth - see bug 988521 229 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 230 Slog.i(TAG, "No Bluetooh Service (emulator)"); 231 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 232 Slog.i(TAG, "No Bluetooth Service (factory test)"); 233 } else { 234 Slog.i(TAG, "Bluetooth Service"); 235 bluetooth = new BluetoothService(context); 236 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 237 bluetooth.initAfterRegistration(); 238 239 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 240 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 241 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 242 bluetoothA2dp); 243 bluetooth.initAfterA2dpRegistration(); 244 } 245 246 int airplaneModeOn = Settings.System.getInt(mContentResolver, 247 Settings.System.AIRPLANE_MODE_ON, 0); 248 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 249 Settings.Secure.BLUETOOTH_ON, 0); 250 if (airplaneModeOn == 0 && bluetoothOn != 0) { 251 bluetooth.enable(); 252 } 253 } 254 255 } catch (RuntimeException e) { 256 Slog.e("System", "******************************************"); 257 Slog.e("System", "************ Failure starting core service", e); 258 } 259 260 DevicePolicyManagerService devicePolicy = null; 261 StatusBarManagerService statusBar = null; 262 InputMethodManagerService imm = null; 263 AppWidgetService appWidget = null; 264 NotificationManagerService notification = null; 265 WallpaperManagerService wallpaper = null; 266 LocationManagerService location = null; 267 CountryDetectorService countryDetector = null; 268 TextServicesManagerService tsms = null; 269 270 // Bring up services needed for UI. 271 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 272 try { 273 Slog.i(TAG, "Input Method Service"); 274 imm = new InputMethodManagerService(context); 275 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 276 } catch (Throwable e) { 277 reportWtf("starting Input Manager Service", e); 278 } 279 280 try { 281 Slog.i(TAG, "Accessibility Manager"); 282 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 283 new AccessibilityManagerService(context)); 284 } catch (Throwable e) { 285 reportWtf("starting Accessibility Manager", e); 286 } 287 } 288 289 try { 290 wm.displayReady(); 291 } catch (Throwable e) { 292 reportWtf("making display ready", e); 293 } 294 295 try { 296 pm.performBootDexOpt(); 297 } catch (Throwable e) { 298 reportWtf("performing boot dexopt", e); 299 } 300 301 try { 302 ActivityManagerNative.getDefault().showBootMessage( 303 context.getResources().getText( 304 com.android.internal.R.string.android_upgrading_starting_apps), 305 false); 306 } catch (RemoteException e) { 307 } 308 309 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 310 try { 311 Slog.i(TAG, "Device Policy"); 312 devicePolicy = new DevicePolicyManagerService(context); 313 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 314 } catch (Throwable e) { 315 reportWtf("starting DevicePolicyService", e); 316 } 317 318 try { 319 Slog.i(TAG, "Status Bar"); 320 statusBar = new StatusBarManagerService(context, wm); 321 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 322 } catch (Throwable e) { 323 reportWtf("starting StatusBarManagerService", e); 324 } 325 326 try { 327 Slog.i(TAG, "Clipboard Service"); 328 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 329 new ClipboardService(context)); 330 } catch (Throwable e) { 331 reportWtf("starting Clipboard Service", e); 332 } 333 334 try { 335 Slog.i(TAG, "NetworkManagement Service"); 336 networkManagement = NetworkManagementService.create(context); 337 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 338 } catch (Throwable e) { 339 reportWtf("starting NetworkManagement Service", e); 340 } 341 342 try { 343 Slog.i(TAG, "Text Service Manager Service"); 344 tsms = new TextServicesManagerService(context); 345 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 346 } catch (Throwable e) { 347 reportWtf("starting Text Service Manager Service", e); 348 } 349 350 try { 351 Slog.i(TAG, "NetworkStats Service"); 352 networkStats = new NetworkStatsService(context, networkManagement, alarm); 353 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 354 } catch (Throwable e) { 355 reportWtf("starting NetworkStats Service", e); 356 } 357 358 try { 359 Slog.i(TAG, "NetworkPolicy Service"); 360 networkPolicy = new NetworkPolicyManagerService( 361 context, ActivityManagerService.self(), power, 362 networkStats, networkManagement); 363 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 364 } catch (Throwable e) { 365 reportWtf("starting NetworkPolicy Service", e); 366 } 367 368 try { 369 Slog.i(TAG, "Wi-Fi P2pService"); 370 wifiP2p = new WifiP2pService(context); 371 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 372 } catch (Throwable e) { 373 reportWtf("starting Wi-Fi P2pService", e); 374 } 375 376 try { 377 Slog.i(TAG, "Wi-Fi Service"); 378 wifi = new WifiService(context); 379 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 380 } catch (Throwable e) { 381 reportWtf("starting Wi-Fi Service", e); 382 } 383 384 try { 385 Slog.i(TAG, "Connectivity Service"); 386 connectivity = new ConnectivityService( 387 context, networkManagement, networkStats, networkPolicy); 388 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 389 networkStats.bindConnectivityManager(connectivity); 390 networkPolicy.bindConnectivityManager(connectivity); 391 wifi.checkAndStartWifi(); 392 wifiP2p.connectivityServiceReady(); 393 } catch (Throwable e) { 394 reportWtf("starting Connectivity Service", e); 395 } 396 397 try { 398 Slog.i(TAG, "Network Service Discovery Service"); 399 serviceDiscovery = NsdService.create(context); 400 ServiceManager.addService( 401 Context.NSD_SERVICE, serviceDiscovery); 402 } catch (Throwable e) { 403 reportWtf("starting Service Discovery Service", e); 404 } 405 406 try { 407 Slog.i(TAG, "Throttle Service"); 408 throttle = new ThrottleService(context); 409 ServiceManager.addService( 410 Context.THROTTLE_SERVICE, throttle); 411 } catch (Throwable e) { 412 reportWtf("starting ThrottleService", e); 413 } 414 415 try { 416 Slog.i(TAG, "UpdateLock Service"); 417 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 418 new UpdateLockService(context)); 419 } catch (Throwable e) { 420 reportWtf("starting UpdateLockService", e); 421 } 422 423 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 424 try { 425 /* 426 * NotificationManagerService is dependant on MountService, 427 * (for media / usb notifications) so we must start MountService first. 428 */ 429 Slog.i(TAG, "Mount Service"); 430 ServiceManager.addService("mount", new MountService(context)); 431 } catch (Throwable e) { 432 reportWtf("starting Mount Service", e); 433 } 434 } 435 436 try { 437 Slog.i(TAG, "Notification Manager"); 438 notification = new NotificationManagerService(context, statusBar, lights); 439 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 440 networkPolicy.bindNotificationManager(notification); 441 } catch (Throwable e) { 442 reportWtf("starting Notification Manager", e); 443 } 444 445 try { 446 Slog.i(TAG, "Device Storage Monitor"); 447 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 448 new DeviceStorageMonitorService(context)); 449 } catch (Throwable e) { 450 reportWtf("starting DeviceStorageMonitor service", e); 451 } 452 453 try { 454 Slog.i(TAG, "Location Manager"); 455 location = new LocationManagerService(context); 456 ServiceManager.addService(Context.LOCATION_SERVICE, location); 457 } catch (Throwable e) { 458 reportWtf("starting Location Manager", e); 459 } 460 461 try { 462 Slog.i(TAG, "Country Detector"); 463 countryDetector = new CountryDetectorService(context); 464 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 465 } catch (Throwable e) { 466 reportWtf("starting Country Detector", e); 467 } 468 469 try { 470 Slog.i(TAG, "Search Service"); 471 ServiceManager.addService(Context.SEARCH_SERVICE, 472 new SearchManagerService(context)); 473 } catch (Throwable e) { 474 reportWtf("starting Search Service", e); 475 } 476 477 try { 478 Slog.i(TAG, "DropBox Service"); 479 ServiceManager.addService(Context.DROPBOX_SERVICE, 480 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 481 } catch (Throwable e) { 482 reportWtf("starting DropBoxManagerService", e); 483 } 484 485 if (context.getResources().getBoolean( 486 com.android.internal.R.bool.config_enableWallpaperService)) { 487 try { 488 Slog.i(TAG, "Wallpaper Service"); 489 if (!headless) { 490 wallpaper = new WallpaperManagerService(context); 491 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 492 } 493 } catch (Throwable e) { 494 reportWtf("starting Wallpaper Service", e); 495 } 496 } 497 498 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 499 try { 500 Slog.i(TAG, "Audio Service"); 501 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 502 } catch (Throwable e) { 503 reportWtf("starting Audio Service", e); 504 } 505 } 506 507 try { 508 Slog.i(TAG, "Dock Observer"); 509 // Listen for dock station changes 510 dock = new DockObserver(context, power); 511 } catch (Throwable e) { 512 reportWtf("starting DockObserver", e); 513 } 514 515 try { 516 Slog.i(TAG, "Wired Accessory Observer"); 517 // Listen for wired headset changes 518 new WiredAccessoryObserver(context); 519 } catch (Throwable e) { 520 reportWtf("starting WiredAccessoryObserver", e); 521 } 522 523 try { 524 Slog.i(TAG, "USB Service"); 525 // Manage USB host and device support 526 usb = new UsbService(context); 527 ServiceManager.addService(Context.USB_SERVICE, usb); 528 } catch (Throwable e) { 529 reportWtf("starting UsbService", e); 530 } 531 532 try { 533 Slog.i(TAG, "Serial Service"); 534 // Serial port support 535 serial = new SerialService(context); 536 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 537 } catch (Throwable e) { 538 Slog.e(TAG, "Failure starting SerialService", e); 539 } 540 541 try { 542 Slog.i(TAG, "UI Mode Manager Service"); 543 // Listen for UI mode changes 544 uiMode = new UiModeManagerService(context); 545 } catch (Throwable e) { 546 reportWtf("starting UiModeManagerService", e); 547 } 548 549 try { 550 Slog.i(TAG, "Backup Service"); 551 ServiceManager.addService(Context.BACKUP_SERVICE, 552 new BackupManagerService(context)); 553 } catch (Throwable e) { 554 Slog.e(TAG, "Failure starting Backup Service", e); 555 } 556 557 try { 558 Slog.i(TAG, "AppWidget Service"); 559 appWidget = new AppWidgetService(context); 560 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 561 } catch (Throwable e) { 562 reportWtf("starting AppWidget Service", e); 563 } 564 565 try { 566 Slog.i(TAG, "Recognition Service"); 567 recognition = new RecognitionManagerService(context); 568 } catch (Throwable e) { 569 reportWtf("starting Recognition Service", e); 570 } 571 572 try { 573 Slog.i(TAG, "DiskStats Service"); 574 ServiceManager.addService("diskstats", new DiskStatsService(context)); 575 } catch (Throwable e) { 576 reportWtf("starting DiskStats Service", e); 577 } 578 579 try { 580 // need to add this service even if SamplingProfilerIntegration.isEnabled() 581 // is false, because it is this service that detects system property change and 582 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 583 // there is little overhead for running this service. 584 Slog.i(TAG, "SamplingProfiler Service"); 585 ServiceManager.addService("samplingprofiler", 586 new SamplingProfilerService(context)); 587 } catch (Throwable e) { 588 reportWtf("starting SamplingProfiler Service", e); 589 } 590 591 try { 592 Slog.i(TAG, "NetworkTimeUpdateService"); 593 networkTimeUpdater = new NetworkTimeUpdateService(context); 594 } catch (Throwable e) { 595 reportWtf("starting NetworkTimeUpdate service", e); 596 } 597 598 try { 599 Slog.i(TAG, "CommonTimeManagementService"); 600 commonTimeMgmtService = new CommonTimeManagementService(context); 601 ServiceManager.addService("commontime_management", commonTimeMgmtService); 602 } catch (Throwable e) { 603 reportWtf("starting CommonTimeManagementService service", e); 604 } 605 } 606 607 // Before things start rolling, be sure we have decided whether 608 // we are in safe mode. 609 final boolean safeMode = wm.detectSafeMode(); 610 if (safeMode) { 611 ActivityManagerService.self().enterSafeMode(); 612 // Post the safe mode state in the Zygote class 613 Zygote.systemInSafeMode = true; 614 // Disable the JIT for the system_server process 615 VMRuntime.getRuntime().disableJitCompilation(); 616 } else { 617 // Enable the JIT for the system_server process 618 VMRuntime.getRuntime().startJitCompilation(); 619 } 620 621 // It is now time to start up the app processes... 622 623 if (devicePolicy != null) { 624 try { 625 devicePolicy.systemReady(); 626 } catch (Throwable e) { 627 reportWtf("making Device Policy Service ready", e); 628 } 629 } 630 631 if (notification != null) { 632 try { 633 notification.systemReady(); 634 } catch (Throwable e) { 635 reportWtf("making Notification Service ready", e); 636 } 637 } 638 639 try { 640 wm.systemReady(); 641 } catch (Throwable e) { 642 reportWtf("making Window Manager Service ready", e); 643 } 644 645 if (safeMode) { 646 ActivityManagerService.self().showSafeModeOverlay(); 647 } 648 649 // Update the configuration for this context by hand, because we're going 650 // to start using it before the config change done in wm.systemReady() will 651 // propagate to it. 652 Configuration config = wm.computeNewConfiguration(); 653 DisplayMetrics metrics = new DisplayMetrics(); 654 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 655 w.getDefaultDisplay().getMetrics(metrics); 656 context.getResources().updateConfiguration(config, metrics); 657 658 power.systemReady(); 659 try { 660 pm.systemReady(); 661 } catch (Throwable e) { 662 reportWtf("making Package Manager Service ready", e); 663 } 664 665 // These are needed to propagate to the runnable below. 666 final Context contextF = context; 667 final BatteryService batteryF = battery; 668 final NetworkManagementService networkManagementF = networkManagement; 669 final NetworkStatsService networkStatsF = networkStats; 670 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 671 final ConnectivityService connectivityF = connectivity; 672 final DockObserver dockF = dock; 673 final UsbService usbF = usb; 674 final ThrottleService throttleF = throttle; 675 final UiModeManagerService uiModeF = uiMode; 676 final AppWidgetService appWidgetF = appWidget; 677 final WallpaperManagerService wallpaperF = wallpaper; 678 final InputMethodManagerService immF = imm; 679 final RecognitionManagerService recognitionF = recognition; 680 final LocationManagerService locationF = location; 681 final CountryDetectorService countryDetectorF = countryDetector; 682 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 683 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 684 final TextServicesManagerService textServiceManagerServiceF = tsms; 685 final StatusBarManagerService statusBarF = statusBar; 686 687 // We now tell the activity manager it is okay to run third party 688 // code. It will call back into us once it has gotten to the state 689 // where third party code can really run (but before it has actually 690 // started launching the initial applications), for us to complete our 691 // initialization. 692 ActivityManagerService.self().systemReady(new Runnable() { 693 public void run() { 694 Slog.i(TAG, "Making services ready"); 695 696 if (!headless) startSystemUi(contextF); 697 try { 698 if (batteryF != null) batteryF.systemReady(); 699 } catch (Throwable e) { 700 reportWtf("making Battery Service ready", e); 701 } 702 try { 703 if (networkManagementF != null) networkManagementF.systemReady(); 704 } catch (Throwable e) { 705 reportWtf("making Network Managment Service ready", e); 706 } 707 try { 708 if (networkStatsF != null) networkStatsF.systemReady(); 709 } catch (Throwable e) { 710 reportWtf("making Network Stats Service ready", e); 711 } 712 try { 713 if (networkPolicyF != null) networkPolicyF.systemReady(); 714 } catch (Throwable e) { 715 reportWtf("making Network Policy Service ready", e); 716 } 717 try { 718 if (connectivityF != null) connectivityF.systemReady(); 719 } catch (Throwable e) { 720 reportWtf("making Connectivity Service ready", e); 721 } 722 try { 723 if (dockF != null) dockF.systemReady(); 724 } catch (Throwable e) { 725 reportWtf("making Dock Service ready", e); 726 } 727 try { 728 if (usbF != null) usbF.systemReady(); 729 } catch (Throwable e) { 730 reportWtf("making USB Service ready", e); 731 } 732 try { 733 if (uiModeF != null) uiModeF.systemReady(); 734 } catch (Throwable e) { 735 reportWtf("making UI Mode Service ready", e); 736 } 737 try { 738 if (recognitionF != null) recognitionF.systemReady(); 739 } catch (Throwable e) { 740 reportWtf("making Recognition Service ready", e); 741 } 742 Watchdog.getInstance().start(); 743 744 // It is now okay to let the various system services start their 745 // third party code... 746 747 try { 748 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 749 } catch (Throwable e) { 750 reportWtf("making App Widget Service ready", e); 751 } 752 try { 753 if (wallpaperF != null) wallpaperF.systemReady(); 754 } catch (Throwable e) { 755 reportWtf("making Wallpaper Service ready", e); 756 } 757 try { 758 if (immF != null) immF.systemReady(statusBarF); 759 } catch (Throwable e) { 760 reportWtf("making Input Method Service ready", e); 761 } 762 try { 763 if (locationF != null) locationF.systemReady(); 764 } catch (Throwable e) { 765 reportWtf("making Location Service ready", e); 766 } 767 try { 768 if (countryDetectorF != null) countryDetectorF.systemReady(); 769 } catch (Throwable e) { 770 reportWtf("making Country Detector Service ready", e); 771 } 772 try { 773 if (throttleF != null) throttleF.systemReady(); 774 } catch (Throwable e) { 775 reportWtf("making Throttle Service ready", e); 776 } 777 try { 778 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 779 } catch (Throwable e) { 780 reportWtf("making Network Time Service ready", e); 781 } 782 try { 783 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 784 } catch (Throwable e) { 785 reportWtf("making Common time management service ready", e); 786 } 787 try { 788 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 789 } catch (Throwable e) { 790 reportWtf("making Text Services Manager Service ready", e); 791 } 792 } 793 }); 794 795 // For debug builds, log event loop stalls to dropbox for analysis. 796 if (StrictMode.conditionallyEnableDebugLogging()) { 797 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 798 } 799 800 Looper.loop(); 801 Slog.d(TAG, "System ServerThread is exiting!"); 802 } 803 804 static final void startSystemUi(Context context) { 805 Intent intent = new Intent(); 806 intent.setComponent(new ComponentName("com.android.systemui", 807 "com.android.systemui.SystemUIService")); 808 Slog.d(TAG, "Starting service: " + intent); 809 context.startService(intent); 810 } 811} 812 813public class SystemServer { 814 private static final String TAG = "SystemServer"; 815 816 public static final int FACTORY_TEST_OFF = 0; 817 public static final int FACTORY_TEST_LOW_LEVEL = 1; 818 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 819 820 static Timer timer; 821 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 822 823 // The earliest supported time. We pick one day into 1970, to 824 // give any timezone code room without going into negative time. 825 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 826 827 /** 828 * This method is called from Zygote to initialize the system. This will cause the native 829 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 830 * up into init2() to start the Android services. 831 */ 832 native public static void init1(String[] args); 833 834 public static void main(String[] args) { 835 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 836 // If a device's clock is before 1970 (before 0), a lot of 837 // APIs crash dealing with negative numbers, notably 838 // java.io.File#setLastModified, so instead we fake it and 839 // hope that time from cell towers or NTP fixes it 840 // shortly. 841 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 842 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 843 } 844 845 if (SamplingProfilerIntegration.isEnabled()) { 846 SamplingProfilerIntegration.start(); 847 timer = new Timer(); 848 timer.schedule(new TimerTask() { 849 @Override 850 public void run() { 851 SamplingProfilerIntegration.writeSnapshot("system_server", null); 852 } 853 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 854 } 855 856 // Mmmmmm... more memory! 857 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 858 859 // The system server has to run all of the time, so it needs to be 860 // as efficient as possible with its memory usage. 861 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 862 863 System.loadLibrary("android_servers"); 864 init1(args); 865 } 866 867 public static final void init2() { 868 Slog.i(TAG, "Entered the Android system server!"); 869 Thread thr = new ServerThread(); 870 thr.setName("android.server.ServerThread"); 871 thr.start(); 872 } 873} 874