SystemServer.java revision 4532e6158474a263d9d26c2b42240bcf7ce9b172
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 ServiceManager.addService(Context.INPUT_SERVICE, wm.getInputManagerService()); 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, "Throttle Service"); 399 throttle = new ThrottleService(context); 400 ServiceManager.addService( 401 Context.THROTTLE_SERVICE, throttle); 402 } catch (Throwable e) { 403 reportWtf("starting ThrottleService", e); 404 } 405 406 try { 407 Slog.i(TAG, "UpdateLock Service"); 408 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 409 new UpdateLockService(context)); 410 } catch (Throwable e) { 411 reportWtf("starting UpdateLockService", e); 412 } 413 414 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 415 try { 416 /* 417 * NotificationManagerService is dependant on MountService, 418 * (for media / usb notifications) so we must start MountService first. 419 */ 420 Slog.i(TAG, "Mount Service"); 421 ServiceManager.addService("mount", new MountService(context)); 422 } catch (Throwable e) { 423 reportWtf("starting Mount Service", e); 424 } 425 } 426 427 try { 428 Slog.i(TAG, "Notification Manager"); 429 notification = new NotificationManagerService(context, statusBar, lights); 430 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 431 networkPolicy.bindNotificationManager(notification); 432 } catch (Throwable e) { 433 reportWtf("starting Notification Manager", e); 434 } 435 436 try { 437 Slog.i(TAG, "Device Storage Monitor"); 438 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 439 new DeviceStorageMonitorService(context)); 440 } catch (Throwable e) { 441 reportWtf("starting DeviceStorageMonitor service", e); 442 } 443 444 try { 445 Slog.i(TAG, "Location Manager"); 446 location = new LocationManagerService(context); 447 ServiceManager.addService(Context.LOCATION_SERVICE, location); 448 } catch (Throwable e) { 449 reportWtf("starting Location Manager", e); 450 } 451 452 try { 453 Slog.i(TAG, "Country Detector"); 454 countryDetector = new CountryDetectorService(context); 455 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 456 } catch (Throwable e) { 457 reportWtf("starting Country Detector", e); 458 } 459 460 try { 461 Slog.i(TAG, "Search Service"); 462 ServiceManager.addService(Context.SEARCH_SERVICE, 463 new SearchManagerService(context)); 464 } catch (Throwable e) { 465 reportWtf("starting Search Service", e); 466 } 467 468 try { 469 Slog.i(TAG, "DropBox Service"); 470 ServiceManager.addService(Context.DROPBOX_SERVICE, 471 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 472 } catch (Throwable e) { 473 reportWtf("starting DropBoxManagerService", e); 474 } 475 476 if (context.getResources().getBoolean( 477 com.android.internal.R.bool.config_enableWallpaperService)) { 478 try { 479 Slog.i(TAG, "Wallpaper Service"); 480 if (!headless) { 481 wallpaper = new WallpaperManagerService(context); 482 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 483 } 484 } catch (Throwable e) { 485 reportWtf("starting Wallpaper Service", e); 486 } 487 } 488 489 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 490 try { 491 Slog.i(TAG, "Audio Service"); 492 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 493 } catch (Throwable e) { 494 reportWtf("starting Audio Service", e); 495 } 496 } 497 498 try { 499 Slog.i(TAG, "Dock Observer"); 500 // Listen for dock station changes 501 dock = new DockObserver(context, power); 502 } catch (Throwable e) { 503 reportWtf("starting DockObserver", e); 504 } 505 506 try { 507 Slog.i(TAG, "Wired Accessory Observer"); 508 // Listen for wired headset changes 509 new WiredAccessoryObserver(context); 510 } catch (Throwable e) { 511 reportWtf("starting WiredAccessoryObserver", e); 512 } 513 514 try { 515 Slog.i(TAG, "USB Service"); 516 // Manage USB host and device support 517 usb = new UsbService(context); 518 ServiceManager.addService(Context.USB_SERVICE, usb); 519 } catch (Throwable e) { 520 reportWtf("starting UsbService", e); 521 } 522 523 try { 524 Slog.i(TAG, "Serial Service"); 525 // Serial port support 526 serial = new SerialService(context); 527 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 528 } catch (Throwable e) { 529 Slog.e(TAG, "Failure starting SerialService", e); 530 } 531 532 try { 533 Slog.i(TAG, "UI Mode Manager Service"); 534 // Listen for UI mode changes 535 uiMode = new UiModeManagerService(context); 536 } catch (Throwable e) { 537 reportWtf("starting UiModeManagerService", e); 538 } 539 540 try { 541 Slog.i(TAG, "Backup Service"); 542 ServiceManager.addService(Context.BACKUP_SERVICE, 543 new BackupManagerService(context)); 544 } catch (Throwable e) { 545 Slog.e(TAG, "Failure starting Backup Service", e); 546 } 547 548 try { 549 Slog.i(TAG, "AppWidget Service"); 550 appWidget = new AppWidgetService(context); 551 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 552 } catch (Throwable e) { 553 reportWtf("starting AppWidget Service", e); 554 } 555 556 try { 557 Slog.i(TAG, "Recognition Service"); 558 recognition = new RecognitionManagerService(context); 559 } catch (Throwable e) { 560 reportWtf("starting Recognition Service", e); 561 } 562 563 try { 564 Slog.i(TAG, "DiskStats Service"); 565 ServiceManager.addService("diskstats", new DiskStatsService(context)); 566 } catch (Throwable e) { 567 reportWtf("starting DiskStats Service", e); 568 } 569 570 try { 571 // need to add this service even if SamplingProfilerIntegration.isEnabled() 572 // is false, because it is this service that detects system property change and 573 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 574 // there is little overhead for running this service. 575 Slog.i(TAG, "SamplingProfiler Service"); 576 ServiceManager.addService("samplingprofiler", 577 new SamplingProfilerService(context)); 578 } catch (Throwable e) { 579 reportWtf("starting SamplingProfiler Service", e); 580 } 581 582 try { 583 Slog.i(TAG, "NetworkTimeUpdateService"); 584 networkTimeUpdater = new NetworkTimeUpdateService(context); 585 } catch (Throwable e) { 586 reportWtf("starting NetworkTimeUpdate service", e); 587 } 588 589 try { 590 Slog.i(TAG, "CommonTimeManagementService"); 591 commonTimeMgmtService = new CommonTimeManagementService(context); 592 ServiceManager.addService("commontime_management", commonTimeMgmtService); 593 } catch (Throwable e) { 594 reportWtf("starting CommonTimeManagementService service", e); 595 } 596 } 597 598 // Before things start rolling, be sure we have decided whether 599 // we are in safe mode. 600 final boolean safeMode = wm.detectSafeMode(); 601 if (safeMode) { 602 ActivityManagerService.self().enterSafeMode(); 603 // Post the safe mode state in the Zygote class 604 Zygote.systemInSafeMode = true; 605 // Disable the JIT for the system_server process 606 VMRuntime.getRuntime().disableJitCompilation(); 607 } else { 608 // Enable the JIT for the system_server process 609 VMRuntime.getRuntime().startJitCompilation(); 610 } 611 612 // It is now time to start up the app processes... 613 614 if (devicePolicy != null) { 615 try { 616 devicePolicy.systemReady(); 617 } catch (Throwable e) { 618 reportWtf("making Device Policy Service ready", e); 619 } 620 } 621 622 if (notification != null) { 623 try { 624 notification.systemReady(); 625 } catch (Throwable e) { 626 reportWtf("making Notification Service ready", e); 627 } 628 } 629 630 try { 631 wm.systemReady(); 632 } catch (Throwable e) { 633 reportWtf("making Window Manager Service ready", e); 634 } 635 636 if (safeMode) { 637 ActivityManagerService.self().showSafeModeOverlay(); 638 } 639 640 // Update the configuration for this context by hand, because we're going 641 // to start using it before the config change done in wm.systemReady() will 642 // propagate to it. 643 Configuration config = wm.computeNewConfiguration(); 644 DisplayMetrics metrics = new DisplayMetrics(); 645 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 646 w.getDefaultDisplay().getMetrics(metrics); 647 context.getResources().updateConfiguration(config, metrics); 648 649 power.systemReady(); 650 try { 651 pm.systemReady(); 652 } catch (Throwable e) { 653 reportWtf("making Package Manager Service ready", e); 654 } 655 656 // These are needed to propagate to the runnable below. 657 final Context contextF = context; 658 final BatteryService batteryF = battery; 659 final NetworkManagementService networkManagementF = networkManagement; 660 final NetworkStatsService networkStatsF = networkStats; 661 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 662 final ConnectivityService connectivityF = connectivity; 663 final DockObserver dockF = dock; 664 final UsbService usbF = usb; 665 final ThrottleService throttleF = throttle; 666 final UiModeManagerService uiModeF = uiMode; 667 final AppWidgetService appWidgetF = appWidget; 668 final WallpaperManagerService wallpaperF = wallpaper; 669 final InputMethodManagerService immF = imm; 670 final RecognitionManagerService recognitionF = recognition; 671 final LocationManagerService locationF = location; 672 final CountryDetectorService countryDetectorF = countryDetector; 673 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 674 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 675 final TextServicesManagerService textServiceManagerServiceF = tsms; 676 final StatusBarManagerService statusBarF = statusBar; 677 678 // We now tell the activity manager it is okay to run third party 679 // code. It will call back into us once it has gotten to the state 680 // where third party code can really run (but before it has actually 681 // started launching the initial applications), for us to complete our 682 // initialization. 683 ActivityManagerService.self().systemReady(new Runnable() { 684 public void run() { 685 Slog.i(TAG, "Making services ready"); 686 687 if (!headless) startSystemUi(contextF); 688 try { 689 if (batteryF != null) batteryF.systemReady(); 690 } catch (Throwable e) { 691 reportWtf("making Battery Service ready", e); 692 } 693 try { 694 if (networkManagementF != null) networkManagementF.systemReady(); 695 } catch (Throwable e) { 696 reportWtf("making Network Managment Service ready", e); 697 } 698 try { 699 if (networkStatsF != null) networkStatsF.systemReady(); 700 } catch (Throwable e) { 701 reportWtf("making Network Stats Service ready", e); 702 } 703 try { 704 if (networkPolicyF != null) networkPolicyF.systemReady(); 705 } catch (Throwable e) { 706 reportWtf("making Network Policy Service ready", e); 707 } 708 try { 709 if (connectivityF != null) connectivityF.systemReady(); 710 } catch (Throwable e) { 711 reportWtf("making Connectivity Service ready", e); 712 } 713 try { 714 if (dockF != null) dockF.systemReady(); 715 } catch (Throwable e) { 716 reportWtf("making Dock Service ready", e); 717 } 718 try { 719 if (usbF != null) usbF.systemReady(); 720 } catch (Throwable e) { 721 reportWtf("making USB Service ready", e); 722 } 723 try { 724 if (uiModeF != null) uiModeF.systemReady(); 725 } catch (Throwable e) { 726 reportWtf("making UI Mode Service ready", e); 727 } 728 try { 729 if (recognitionF != null) recognitionF.systemReady(); 730 } catch (Throwable e) { 731 reportWtf("making Recognition Service ready", e); 732 } 733 Watchdog.getInstance().start(); 734 735 // It is now okay to let the various system services start their 736 // third party code... 737 738 try { 739 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 740 } catch (Throwable e) { 741 reportWtf("making App Widget Service ready", e); 742 } 743 try { 744 if (wallpaperF != null) wallpaperF.systemReady(); 745 } catch (Throwable e) { 746 reportWtf("making Wallpaper Service ready", e); 747 } 748 try { 749 if (immF != null) immF.systemReady(statusBarF); 750 } catch (Throwable e) { 751 reportWtf("making Input Method Service ready", e); 752 } 753 try { 754 if (locationF != null) locationF.systemReady(); 755 } catch (Throwable e) { 756 reportWtf("making Location Service ready", e); 757 } 758 try { 759 if (countryDetectorF != null) countryDetectorF.systemReady(); 760 } catch (Throwable e) { 761 reportWtf("making Country Detector Service ready", e); 762 } 763 try { 764 if (throttleF != null) throttleF.systemReady(); 765 } catch (Throwable e) { 766 reportWtf("making Throttle Service ready", e); 767 } 768 try { 769 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 770 } catch (Throwable e) { 771 reportWtf("making Network Time Service ready", e); 772 } 773 try { 774 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 775 } catch (Throwable e) { 776 reportWtf("making Common time management service ready", e); 777 } 778 try { 779 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Text Services Manager Service ready", e); 782 } 783 } 784 }); 785 786 // For debug builds, log event loop stalls to dropbox for analysis. 787 if (StrictMode.conditionallyEnableDebugLogging()) { 788 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 789 } 790 791 Looper.loop(); 792 Slog.d(TAG, "System ServerThread is exiting!"); 793 } 794 795 static final void startSystemUi(Context context) { 796 Intent intent = new Intent(); 797 intent.setComponent(new ComponentName("com.android.systemui", 798 "com.android.systemui.SystemUIService")); 799 Slog.d(TAG, "Starting service: " + intent); 800 context.startService(intent); 801 } 802} 803 804public class SystemServer { 805 private static final String TAG = "SystemServer"; 806 807 public static final int FACTORY_TEST_OFF = 0; 808 public static final int FACTORY_TEST_LOW_LEVEL = 1; 809 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 810 811 static Timer timer; 812 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 813 814 // The earliest supported time. We pick one day into 1970, to 815 // give any timezone code room without going into negative time. 816 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 817 818 /** 819 * This method is called from Zygote to initialize the system. This will cause the native 820 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 821 * up into init2() to start the Android services. 822 */ 823 native public static void init1(String[] args); 824 825 public static void main(String[] args) { 826 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 827 // If a device's clock is before 1970 (before 0), a lot of 828 // APIs crash dealing with negative numbers, notably 829 // java.io.File#setLastModified, so instead we fake it and 830 // hope that time from cell towers or NTP fixes it 831 // shortly. 832 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 833 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 834 } 835 836 if (SamplingProfilerIntegration.isEnabled()) { 837 SamplingProfilerIntegration.start(); 838 timer = new Timer(); 839 timer.schedule(new TimerTask() { 840 @Override 841 public void run() { 842 SamplingProfilerIntegration.writeSnapshot("system_server", null); 843 } 844 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 845 } 846 847 // Mmmmmm... more memory! 848 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 849 850 // The system server has to run all of the time, so it needs to be 851 // as efficient as possible with its memory usage. 852 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 853 854 System.loadLibrary("android_servers"); 855 init1(args); 856 } 857 858 public static final void init2() { 859 Slog.i(TAG, "Entered the Android system server!"); 860 Thread thr = new ServerThread(); 861 thr.setName("android.server.ServerThread"); 862 thr.start(); 863 } 864} 865