SystemServer.java revision f35df5b509469fc7e71cdd70f4caec670bc5156f
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.SchedulingPolicyService; 34import android.os.ServiceManager; 35import android.os.StrictMode; 36import android.os.SystemClock; 37import android.os.SystemProperties; 38import android.provider.Settings; 39import android.server.BluetoothA2dpService; 40import android.server.BluetoothService; 41import android.server.search.SearchManagerService; 42import android.service.dreams.DreamManagerService; 43import android.util.DisplayMetrics; 44import android.util.EventLog; 45import android.util.Log; 46import android.util.Slog; 47import android.view.WindowManager; 48 49import com.android.internal.os.BinderInternal; 50import com.android.internal.os.SamplingProfilerIntegration; 51import com.android.internal.widget.LockSettingsService; 52import com.android.server.accessibility.AccessibilityManagerService; 53import com.android.server.am.ActivityManagerService; 54import com.android.server.input.InputManagerService; 55import com.android.server.net.NetworkPolicyManagerService; 56import com.android.server.net.NetworkStatsService; 57import com.android.server.pm.PackageManagerService; 58import com.android.server.pm.ShutdownThread; 59import com.android.server.usb.UsbService; 60import com.android.server.wm.WindowManagerService; 61 62import dalvik.system.VMRuntime; 63import dalvik.system.Zygote; 64 65import java.io.File; 66import java.util.Timer; 67import java.util.TimerTask; 68 69class ServerThread extends Thread { 70 private static final String TAG = "SystemServer"; 71 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 72 private static final String ENCRYPTED_STATE = "1"; 73 74 ContentResolver mContentResolver; 75 76 void reportWtf(String msg, Throwable e) { 77 Slog.w(TAG, "***********************************************"); 78 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 79 } 80 81 @Override 82 public void run() { 83 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 84 SystemClock.uptimeMillis()); 85 86 Looper.prepareMainLooper(); 87 88 android.os.Process.setThreadPriority( 89 android.os.Process.THREAD_PRIORITY_FOREGROUND); 90 91 BinderInternal.disableBackgroundScheduling(true); 92 android.os.Process.setCanSelfBackground(false); 93 94 // Check whether we failed to shut down last time we tried. 95 { 96 final String shutdownAction = SystemProperties.get( 97 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 98 if (shutdownAction != null && shutdownAction.length() > 0) { 99 boolean reboot = (shutdownAction.charAt(0) == '1'); 100 101 final String reason; 102 if (shutdownAction.length() > 1) { 103 reason = shutdownAction.substring(1, shutdownAction.length()); 104 } else { 105 reason = null; 106 } 107 108 ShutdownThread.rebootOrShutdown(reboot, reason); 109 } 110 } 111 112 String factoryTestStr = SystemProperties.get("ro.factorytest"); 113 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 114 : Integer.parseInt(factoryTestStr); 115 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 116 117 LightsService lights = null; 118 PowerManagerService power = null; 119 BatteryService battery = null; 120 VibratorService vibrator = null; 121 AlarmManagerService alarm = null; 122 NetworkManagementService networkManagement = null; 123 NetworkStatsService networkStats = null; 124 NetworkPolicyManagerService networkPolicy = null; 125 ConnectivityService connectivity = null; 126 WifiP2pService wifiP2p = null; 127 WifiService wifi = null; 128 NsdService serviceDiscovery= null; 129 IPackageManager pm = null; 130 Context context = null; 131 WindowManagerService wm = null; 132 BluetoothService bluetooth = null; 133 BluetoothA2dpService bluetoothA2dp = null; 134 DockObserver dock = null; 135 UsbService usb = null; 136 SerialService serial = null; 137 UiModeManagerService uiMode = null; 138 RecognitionManagerService recognition = null; 139 ThrottleService throttle = null; 140 NetworkTimeUpdateService networkTimeUpdater = null; 141 CommonTimeManagementService commonTimeMgmtService = null; 142 InputManagerService inputManager = null; 143 144 // Critical services... 145 try { 146 Slog.i(TAG, "Entropy Mixer"); 147 ServiceManager.addService("entropy", new EntropyMixer()); 148 149 Slog.i(TAG, "Power Manager"); 150 power = new PowerManagerService(); 151 ServiceManager.addService(Context.POWER_SERVICE, power); 152 153 Slog.i(TAG, "Activity Manager"); 154 context = ActivityManagerService.main(factoryTest); 155 156 Slog.i(TAG, "Telephony Registry"); 157 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 158 159 Slog.i(TAG, "Scheduling Policy"); 160 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 161 new SchedulingPolicyService()); 162 163 AttributeCache.init(context); 164 165 Slog.i(TAG, "Package Manager"); 166 // Only run "core" apps if we're encrypting the device. 167 String cryptState = SystemProperties.get("vold.decrypt"); 168 boolean onlyCore = false; 169 if (ENCRYPTING_STATE.equals(cryptState)) { 170 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 171 onlyCore = true; 172 } else if (ENCRYPTED_STATE.equals(cryptState)) { 173 Slog.w(TAG, "Device encrypted - only parsing core apps"); 174 onlyCore = true; 175 } 176 177 pm = PackageManagerService.main(context, 178 factoryTest != SystemServer.FACTORY_TEST_OFF, 179 onlyCore); 180 boolean firstBoot = false; 181 try { 182 firstBoot = pm.isFirstBoot(); 183 } catch (RemoteException e) { 184 } 185 186 ActivityManagerService.setSystemProcess(); 187 188 mContentResolver = context.getContentResolver(); 189 190 // The AccountManager must come before the ContentService 191 try { 192 Slog.i(TAG, "Account Manager"); 193 ServiceManager.addService(Context.ACCOUNT_SERVICE, 194 new AccountManagerService(context)); 195 } catch (Throwable e) { 196 Slog.e(TAG, "Failure starting Account Manager", e); 197 } 198 199 Slog.i(TAG, "Content Manager"); 200 ContentService.main(context, 201 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 202 203 Slog.i(TAG, "System Content Providers"); 204 ActivityManagerService.installSystemProviders(); 205 206 Slog.i(TAG, "Lights Service"); 207 lights = new LightsService(context); 208 209 Slog.i(TAG, "Battery Service"); 210 battery = new BatteryService(context, lights); 211 ServiceManager.addService("battery", battery); 212 213 Slog.i(TAG, "Vibrator Service"); 214 vibrator = new VibratorService(context); 215 ServiceManager.addService("vibrator", vibrator); 216 217 // only initialize the power service after we have started the 218 // lights service, content providers and the battery service. 219 power.init(context, lights, ActivityManagerService.self(), battery); 220 221 Slog.i(TAG, "Alarm Manager"); 222 alarm = new AlarmManagerService(context); 223 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 224 225 Slog.i(TAG, "Init Watchdog"); 226 Watchdog.getInstance().init(context, battery, power, alarm, 227 ActivityManagerService.self()); 228 229 Slog.i(TAG, "Window Manager"); 230 wm = WindowManagerService.main(context, power, 231 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 232 !firstBoot, onlyCore); 233 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 234 inputManager = wm.getInputManagerService(); 235 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 236 237 ActivityManagerService.self().setWindowManager(wm); 238 239 // Skip Bluetooth if we have an emulator kernel 240 // TODO: Use a more reliable check to see if this product should 241 // support Bluetooth - see bug 988521 242 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 243 Slog.i(TAG, "No Bluetooh Service (emulator)"); 244 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 245 Slog.i(TAG, "No Bluetooth Service (factory test)"); 246 } else { 247 Slog.i(TAG, "Bluetooth Service"); 248 bluetooth = new BluetoothService(context); 249 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth); 250 bluetooth.initAfterRegistration(); 251 252 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 253 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth); 254 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE, 255 bluetoothA2dp); 256 bluetooth.initAfterA2dpRegistration(); 257 } 258 259 int bluetoothOn = Settings.Secure.getInt(mContentResolver, 260 Settings.Secure.BLUETOOTH_ON, 0); 261 if (bluetoothOn != 0) { 262 bluetooth.enable(); 263 } 264 } 265 266 } catch (RuntimeException e) { 267 Slog.e("System", "******************************************"); 268 Slog.e("System", "************ Failure starting core service", e); 269 } 270 271 DevicePolicyManagerService devicePolicy = null; 272 StatusBarManagerService statusBar = null; 273 InputMethodManagerService imm = null; 274 AppWidgetService appWidget = null; 275 NotificationManagerService notification = null; 276 WallpaperManagerService wallpaper = null; 277 LocationManagerService location = null; 278 CountryDetectorService countryDetector = null; 279 TextServicesManagerService tsms = null; 280 LockSettingsService lockSettings = null; 281 DreamManagerService dreamy = null; 282 283 // Bring up services needed for UI. 284 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 285 try { 286 Slog.i(TAG, "Input Method Service"); 287 imm = new InputMethodManagerService(context, wm); 288 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 289 } catch (Throwable e) { 290 reportWtf("starting Input Manager Service", e); 291 } 292 293 try { 294 Slog.i(TAG, "Accessibility Manager"); 295 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 296 new AccessibilityManagerService(context)); 297 } catch (Throwable e) { 298 reportWtf("starting Accessibility Manager", e); 299 } 300 } 301 302 try { 303 wm.displayReady(); 304 } catch (Throwable e) { 305 reportWtf("making display ready", e); 306 } 307 308 try { 309 pm.performBootDexOpt(); 310 } catch (Throwable e) { 311 reportWtf("performing boot dexopt", e); 312 } 313 314 try { 315 ActivityManagerNative.getDefault().showBootMessage( 316 context.getResources().getText( 317 com.android.internal.R.string.android_upgrading_starting_apps), 318 false); 319 } catch (RemoteException e) { 320 } 321 322 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 323 MountService mountService = null; 324 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 325 try { 326 /* 327 * NotificationManagerService is dependant on MountService, 328 * (for media / usb notifications) so we must start MountService first. 329 */ 330 Slog.i(TAG, "Mount Service"); 331 mountService = new MountService(context); 332 ServiceManager.addService("mount", mountService); 333 } catch (Throwable e) { 334 reportWtf("starting Mount Service", e); 335 } 336 } 337 338 try { 339 Slog.i(TAG, "LockSettingsService"); 340 lockSettings = new LockSettingsService(context); 341 ServiceManager.addService("lock_settings", lockSettings); 342 } catch (Throwable e) { 343 reportWtf("starting LockSettingsService service", e); 344 } 345 346 try { 347 Slog.i(TAG, "Device Policy"); 348 devicePolicy = new DevicePolicyManagerService(context); 349 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 350 } catch (Throwable e) { 351 reportWtf("starting DevicePolicyService", e); 352 } 353 354 try { 355 Slog.i(TAG, "Status Bar"); 356 statusBar = new StatusBarManagerService(context, wm); 357 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 358 } catch (Throwable e) { 359 reportWtf("starting StatusBarManagerService", e); 360 } 361 362 try { 363 Slog.i(TAG, "Clipboard Service"); 364 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 365 new ClipboardService(context)); 366 } catch (Throwable e) { 367 reportWtf("starting Clipboard Service", e); 368 } 369 370 try { 371 Slog.i(TAG, "NetworkManagement Service"); 372 networkManagement = NetworkManagementService.create(context); 373 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 374 } catch (Throwable e) { 375 reportWtf("starting NetworkManagement Service", e); 376 } 377 378 try { 379 Slog.i(TAG, "Text Service Manager Service"); 380 tsms = new TextServicesManagerService(context); 381 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 382 } catch (Throwable e) { 383 reportWtf("starting Text Service Manager Service", e); 384 } 385 386 try { 387 Slog.i(TAG, "NetworkStats Service"); 388 networkStats = new NetworkStatsService(context, networkManagement, alarm); 389 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 390 } catch (Throwable e) { 391 reportWtf("starting NetworkStats Service", e); 392 } 393 394 try { 395 Slog.i(TAG, "NetworkPolicy Service"); 396 networkPolicy = new NetworkPolicyManagerService( 397 context, ActivityManagerService.self(), power, 398 networkStats, networkManagement); 399 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 400 } catch (Throwable e) { 401 reportWtf("starting NetworkPolicy Service", e); 402 } 403 404 try { 405 Slog.i(TAG, "Wi-Fi P2pService"); 406 wifiP2p = new WifiP2pService(context); 407 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 408 } catch (Throwable e) { 409 reportWtf("starting Wi-Fi P2pService", e); 410 } 411 412 try { 413 Slog.i(TAG, "Wi-Fi Service"); 414 wifi = new WifiService(context); 415 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 416 } catch (Throwable e) { 417 reportWtf("starting Wi-Fi Service", e); 418 } 419 420 try { 421 Slog.i(TAG, "Connectivity Service"); 422 connectivity = new ConnectivityService( 423 context, networkManagement, networkStats, networkPolicy); 424 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 425 networkStats.bindConnectivityManager(connectivity); 426 networkPolicy.bindConnectivityManager(connectivity); 427 wifi.checkAndStartWifi(); 428 wifiP2p.connectivityServiceReady(); 429 } catch (Throwable e) { 430 reportWtf("starting Connectivity Service", e); 431 } 432 433 try { 434 Slog.i(TAG, "Network Service Discovery Service"); 435 serviceDiscovery = NsdService.create(context); 436 ServiceManager.addService( 437 Context.NSD_SERVICE, serviceDiscovery); 438 } catch (Throwable e) { 439 reportWtf("starting Service Discovery Service", e); 440 } 441 442 try { 443 Slog.i(TAG, "Throttle Service"); 444 throttle = new ThrottleService(context); 445 ServiceManager.addService( 446 Context.THROTTLE_SERVICE, throttle); 447 } catch (Throwable e) { 448 reportWtf("starting ThrottleService", e); 449 } 450 451 try { 452 Slog.i(TAG, "UpdateLock Service"); 453 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 454 new UpdateLockService(context)); 455 } catch (Throwable e) { 456 reportWtf("starting UpdateLockService", e); 457 } 458 459 /* 460 * MountService has a few dependencies: Notification Manager and 461 * AppWidget Provider. Make sure MountService is completely started 462 * first before continuing. 463 */ 464 if (mountService != null) { 465 mountService.waitForAsecScan(); 466 } 467 468 try { 469 Slog.i(TAG, "Notification Manager"); 470 notification = new NotificationManagerService(context, statusBar, lights); 471 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 472 networkPolicy.bindNotificationManager(notification); 473 } catch (Throwable e) { 474 reportWtf("starting Notification Manager", e); 475 } 476 477 try { 478 Slog.i(TAG, "Device Storage Monitor"); 479 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 480 new DeviceStorageMonitorService(context)); 481 } catch (Throwable e) { 482 reportWtf("starting DeviceStorageMonitor service", e); 483 } 484 485 try { 486 Slog.i(TAG, "Location Manager"); 487 location = new LocationManagerService(context); 488 ServiceManager.addService(Context.LOCATION_SERVICE, location); 489 } catch (Throwable e) { 490 reportWtf("starting Location Manager", e); 491 } 492 493 try { 494 Slog.i(TAG, "Country Detector"); 495 countryDetector = new CountryDetectorService(context); 496 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 497 } catch (Throwable e) { 498 reportWtf("starting Country Detector", e); 499 } 500 501 try { 502 Slog.i(TAG, "Search Service"); 503 ServiceManager.addService(Context.SEARCH_SERVICE, 504 new SearchManagerService(context)); 505 } catch (Throwable e) { 506 reportWtf("starting Search Service", e); 507 } 508 509 try { 510 Slog.i(TAG, "DropBox Service"); 511 ServiceManager.addService(Context.DROPBOX_SERVICE, 512 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 513 } catch (Throwable e) { 514 reportWtf("starting DropBoxManagerService", e); 515 } 516 517 if (context.getResources().getBoolean( 518 com.android.internal.R.bool.config_enableWallpaperService)) { 519 try { 520 Slog.i(TAG, "Wallpaper Service"); 521 if (!headless) { 522 wallpaper = new WallpaperManagerService(context); 523 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 524 } 525 } catch (Throwable e) { 526 reportWtf("starting Wallpaper Service", e); 527 } 528 } 529 530 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 531 try { 532 Slog.i(TAG, "Audio Service"); 533 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 534 } catch (Throwable e) { 535 reportWtf("starting Audio Service", e); 536 } 537 } 538 539 try { 540 Slog.i(TAG, "Dock Observer"); 541 // Listen for dock station changes 542 dock = new DockObserver(context, power); 543 } catch (Throwable e) { 544 reportWtf("starting DockObserver", e); 545 } 546 547 try { 548 Slog.i(TAG, "Wired Accessory Observer"); 549 // Listen for wired headset changes 550 new WiredAccessoryObserver(context); 551 } catch (Throwable e) { 552 reportWtf("starting WiredAccessoryObserver", e); 553 } 554 555 try { 556 Slog.i(TAG, "USB Service"); 557 // Manage USB host and device support 558 usb = new UsbService(context); 559 ServiceManager.addService(Context.USB_SERVICE, usb); 560 } catch (Throwable e) { 561 reportWtf("starting UsbService", e); 562 } 563 564 try { 565 Slog.i(TAG, "Serial Service"); 566 // Serial port support 567 serial = new SerialService(context); 568 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 569 } catch (Throwable e) { 570 Slog.e(TAG, "Failure starting SerialService", e); 571 } 572 573 try { 574 Slog.i(TAG, "UI Mode Manager Service"); 575 // Listen for UI mode changes 576 uiMode = new UiModeManagerService(context); 577 } catch (Throwable e) { 578 reportWtf("starting UiModeManagerService", e); 579 } 580 581 try { 582 Slog.i(TAG, "Backup Service"); 583 ServiceManager.addService(Context.BACKUP_SERVICE, 584 new BackupManagerService(context)); 585 } catch (Throwable e) { 586 Slog.e(TAG, "Failure starting Backup Service", e); 587 } 588 589 try { 590 Slog.i(TAG, "AppWidget Service"); 591 appWidget = new AppWidgetService(context); 592 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 593 } catch (Throwable e) { 594 reportWtf("starting AppWidget Service", e); 595 } 596 597 try { 598 Slog.i(TAG, "Recognition Service"); 599 recognition = new RecognitionManagerService(context); 600 } catch (Throwable e) { 601 reportWtf("starting Recognition Service", e); 602 } 603 604 try { 605 Slog.i(TAG, "DiskStats Service"); 606 ServiceManager.addService("diskstats", new DiskStatsService(context)); 607 } catch (Throwable e) { 608 reportWtf("starting DiskStats Service", e); 609 } 610 611 try { 612 // need to add this service even if SamplingProfilerIntegration.isEnabled() 613 // is false, because it is this service that detects system property change and 614 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 615 // there is little overhead for running this service. 616 Slog.i(TAG, "SamplingProfiler Service"); 617 ServiceManager.addService("samplingprofiler", 618 new SamplingProfilerService(context)); 619 } catch (Throwable e) { 620 reportWtf("starting SamplingProfiler Service", e); 621 } 622 623 try { 624 Slog.i(TAG, "NetworkTimeUpdateService"); 625 networkTimeUpdater = new NetworkTimeUpdateService(context); 626 } catch (Throwable e) { 627 reportWtf("starting NetworkTimeUpdate service", e); 628 } 629 630 try { 631 Slog.i(TAG, "CommonTimeManagementService"); 632 commonTimeMgmtService = new CommonTimeManagementService(context); 633 ServiceManager.addService("commontime_management", commonTimeMgmtService); 634 } catch (Throwable e) { 635 reportWtf("starting CommonTimeManagementService service", e); 636 } 637 638 try { 639 Slog.i(TAG, "CertBlacklister"); 640 CertBlacklister blacklister = new CertBlacklister(context); 641 } catch (Throwable e) { 642 reportWtf("starting CertBlacklister", e); 643 } 644 645 if (context.getResources().getBoolean( 646 com.android.internal.R.bool.config_enableDreams)) { 647 try { 648 Slog.i(TAG, "Dreams Service"); 649 // Dreams (interactive idle-time views, a/k/a screen savers) 650 dreamy = new DreamManagerService(context); 651 ServiceManager.addService("dreams", dreamy); 652 } catch (Throwable e) { 653 reportWtf("starting DreamManagerService", e); 654 } 655 } 656 } 657 658 // Before things start rolling, be sure we have decided whether 659 // we are in safe mode. 660 final boolean safeMode = wm.detectSafeMode(); 661 if (safeMode) { 662 ActivityManagerService.self().enterSafeMode(); 663 // Post the safe mode state in the Zygote class 664 Zygote.systemInSafeMode = true; 665 // Disable the JIT for the system_server process 666 VMRuntime.getRuntime().disableJitCompilation(); 667 } else { 668 // Enable the JIT for the system_server process 669 VMRuntime.getRuntime().startJitCompilation(); 670 } 671 672 // It is now time to start up the app processes... 673 674 try { 675 vibrator.systemReady(); 676 } catch (Throwable e) { 677 reportWtf("making Vibrator Service ready", e); 678 } 679 680 try { 681 lockSettings.systemReady(); 682 } catch (Throwable e) { 683 reportWtf("making Lock Settings Service ready", e); 684 } 685 686 if (devicePolicy != null) { 687 try { 688 devicePolicy.systemReady(); 689 } catch (Throwable e) { 690 reportWtf("making Device Policy Service ready", e); 691 } 692 } 693 694 if (notification != null) { 695 try { 696 notification.systemReady(); 697 } catch (Throwable e) { 698 reportWtf("making Notification Service ready", e); 699 } 700 } 701 702 try { 703 wm.systemReady(); 704 } catch (Throwable e) { 705 reportWtf("making Window Manager Service ready", e); 706 } 707 708 if (safeMode) { 709 ActivityManagerService.self().showSafeModeOverlay(); 710 } 711 712 // Update the configuration for this context by hand, because we're going 713 // to start using it before the config change done in wm.systemReady() will 714 // propagate to it. 715 Configuration config = wm.computeNewConfiguration(); 716 DisplayMetrics metrics = new DisplayMetrics(); 717 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 718 w.getDefaultDisplay().getMetrics(metrics); 719 context.getResources().updateConfiguration(config, metrics); 720 721 power.systemReady(); 722 try { 723 pm.systemReady(); 724 } catch (Throwable e) { 725 reportWtf("making Package Manager Service ready", e); 726 } 727 728 // These are needed to propagate to the runnable below. 729 final Context contextF = context; 730 final BatteryService batteryF = battery; 731 final NetworkManagementService networkManagementF = networkManagement; 732 final NetworkStatsService networkStatsF = networkStats; 733 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 734 final ConnectivityService connectivityF = connectivity; 735 final DockObserver dockF = dock; 736 final UsbService usbF = usb; 737 final ThrottleService throttleF = throttle; 738 final UiModeManagerService uiModeF = uiMode; 739 final AppWidgetService appWidgetF = appWidget; 740 final WallpaperManagerService wallpaperF = wallpaper; 741 final InputMethodManagerService immF = imm; 742 final RecognitionManagerService recognitionF = recognition; 743 final LocationManagerService locationF = location; 744 final CountryDetectorService countryDetectorF = countryDetector; 745 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 746 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 747 final TextServicesManagerService textServiceManagerServiceF = tsms; 748 final StatusBarManagerService statusBarF = statusBar; 749 final DreamManagerService dreamyF = dreamy; 750 final InputManagerService inputManagerF = inputManager; 751 final BluetoothService bluetoothF = bluetooth; 752 753 // We now tell the activity manager it is okay to run third party 754 // code. It will call back into us once it has gotten to the state 755 // where third party code can really run (but before it has actually 756 // started launching the initial applications), for us to complete our 757 // initialization. 758 ActivityManagerService.self().systemReady(new Runnable() { 759 public void run() { 760 Slog.i(TAG, "Making services ready"); 761 762 if (!headless) startSystemUi(contextF); 763 try { 764 if (batteryF != null) batteryF.systemReady(); 765 } catch (Throwable e) { 766 reportWtf("making Battery Service ready", e); 767 } 768 try { 769 if (networkManagementF != null) networkManagementF.systemReady(); 770 } catch (Throwable e) { 771 reportWtf("making Network Managment Service ready", e); 772 } 773 try { 774 if (networkStatsF != null) networkStatsF.systemReady(); 775 } catch (Throwable e) { 776 reportWtf("making Network Stats Service ready", e); 777 } 778 try { 779 if (networkPolicyF != null) networkPolicyF.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Network Policy Service ready", e); 782 } 783 try { 784 if (connectivityF != null) connectivityF.systemReady(); 785 } catch (Throwable e) { 786 reportWtf("making Connectivity Service ready", e); 787 } 788 try { 789 if (dockF != null) dockF.systemReady(); 790 } catch (Throwable e) { 791 reportWtf("making Dock Service ready", e); 792 } 793 try { 794 if (usbF != null) usbF.systemReady(); 795 } catch (Throwable e) { 796 reportWtf("making USB Service ready", e); 797 } 798 try { 799 if (uiModeF != null) uiModeF.systemReady(); 800 } catch (Throwable e) { 801 reportWtf("making UI Mode Service ready", e); 802 } 803 try { 804 if (recognitionF != null) recognitionF.systemReady(); 805 } catch (Throwable e) { 806 reportWtf("making Recognition Service ready", e); 807 } 808 Watchdog.getInstance().start(); 809 810 // It is now okay to let the various system services start their 811 // third party code... 812 813 try { 814 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 815 } catch (Throwable e) { 816 reportWtf("making App Widget Service ready", e); 817 } 818 try { 819 if (wallpaperF != null) wallpaperF.systemReady(); 820 } catch (Throwable e) { 821 reportWtf("making Wallpaper Service ready", e); 822 } 823 try { 824 if (immF != null) immF.systemReady(statusBarF); 825 } catch (Throwable e) { 826 reportWtf("making Input Method Service ready", e); 827 } 828 try { 829 if (locationF != null) locationF.systemReady(); 830 } catch (Throwable e) { 831 reportWtf("making Location Service ready", e); 832 } 833 try { 834 if (countryDetectorF != null) countryDetectorF.systemReady(); 835 } catch (Throwable e) { 836 reportWtf("making Country Detector Service ready", e); 837 } 838 try { 839 if (throttleF != null) throttleF.systemReady(); 840 } catch (Throwable e) { 841 reportWtf("making Throttle Service ready", e); 842 } 843 try { 844 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 845 } catch (Throwable e) { 846 reportWtf("making Network Time Service ready", e); 847 } 848 try { 849 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 850 } catch (Throwable e) { 851 reportWtf("making Common time management service ready", e); 852 } 853 try { 854 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 855 } catch (Throwable e) { 856 reportWtf("making Text Services Manager Service ready", e); 857 } 858 try { 859 if (dreamyF != null) dreamyF.systemReady(); 860 } catch (Throwable e) { 861 reportWtf("making DreamManagerService ready", e); 862 } 863 try { 864 if (inputManagerF != null) inputManagerF.systemReady(bluetoothF); 865 } catch (Throwable e) { 866 reportWtf("making InputManagerService ready", e); 867 } 868 } 869 }); 870 871 // For debug builds, log event loop stalls to dropbox for analysis. 872 if (StrictMode.conditionallyEnableDebugLogging()) { 873 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 874 } 875 876 Looper.loop(); 877 Slog.d(TAG, "System ServerThread is exiting!"); 878 } 879 880 static final void startSystemUi(Context context) { 881 Intent intent = new Intent(); 882 intent.setComponent(new ComponentName("com.android.systemui", 883 "com.android.systemui.SystemUIService")); 884 Slog.d(TAG, "Starting service: " + intent); 885 context.startService(intent); 886 } 887} 888 889public class SystemServer { 890 private static final String TAG = "SystemServer"; 891 892 public static final int FACTORY_TEST_OFF = 0; 893 public static final int FACTORY_TEST_LOW_LEVEL = 1; 894 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 895 896 static Timer timer; 897 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 898 899 // The earliest supported time. We pick one day into 1970, to 900 // give any timezone code room without going into negative time. 901 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 902 903 /** 904 * This method is called from Zygote to initialize the system. This will cause the native 905 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 906 * up into init2() to start the Android services. 907 */ 908 native public static void init1(String[] args); 909 910 public static void main(String[] args) { 911 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 912 // If a device's clock is before 1970 (before 0), a lot of 913 // APIs crash dealing with negative numbers, notably 914 // java.io.File#setLastModified, so instead we fake it and 915 // hope that time from cell towers or NTP fixes it 916 // shortly. 917 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 918 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 919 } 920 921 if (SamplingProfilerIntegration.isEnabled()) { 922 SamplingProfilerIntegration.start(); 923 timer = new Timer(); 924 timer.schedule(new TimerTask() { 925 @Override 926 public void run() { 927 SamplingProfilerIntegration.writeSnapshot("system_server", null); 928 } 929 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 930 } 931 932 // Mmmmmm... more memory! 933 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 934 935 // The system server has to run all of the time, so it needs to be 936 // as efficient as possible with its memory usage. 937 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 938 939 System.loadLibrary("android_servers"); 940 init1(args); 941 } 942 943 public static final void init2() { 944 Slog.i(TAG, "Entered the Android system server!"); 945 Thread thr = new ServerThread(); 946 thr.setName("android.server.ServerThread"); 947 thr.start(); 948 } 949} 950