SystemServer.java revision f95f3ebf12bf9ee23b8ed4e940ab007cbc22f3f3
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.search.SearchManagerService; 40import android.service.dreams.DreamManagerService; 41import android.util.DisplayMetrics; 42import android.util.EventLog; 43import android.util.Log; 44import android.util.Slog; 45import android.view.Display; 46import android.view.WindowManager; 47 48import com.android.internal.os.BinderInternal; 49import com.android.internal.os.SamplingProfilerIntegration; 50import com.android.internal.widget.LockSettingsService; 51import com.android.server.accessibility.AccessibilityManagerService; 52import com.android.server.am.ActivityManagerService; 53import com.android.server.display.DisplayManagerService; 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.power.PowerManagerService; 59import com.android.server.power.ShutdownThread; 60import com.android.server.usb.UsbService; 61import com.android.server.wm.WindowManagerService; 62 63import dalvik.system.VMRuntime; 64import dalvik.system.Zygote; 65 66import java.io.File; 67import java.util.Timer; 68import java.util.TimerTask; 69 70class ServerThread extends Thread { 71 private static final String TAG = "SystemServer"; 72 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 73 private static final String ENCRYPTED_STATE = "1"; 74 75 ContentResolver mContentResolver; 76 77 void reportWtf(String msg, Throwable e) { 78 Slog.w(TAG, "***********************************************"); 79 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 80 } 81 82 @Override 83 public void run() { 84 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 85 SystemClock.uptimeMillis()); 86 87 Looper.prepareMainLooper(); 88 89 android.os.Process.setThreadPriority( 90 android.os.Process.THREAD_PRIORITY_FOREGROUND); 91 92 BinderInternal.disableBackgroundScheduling(true); 93 android.os.Process.setCanSelfBackground(false); 94 95 // Check whether we failed to shut down last time we tried. 96 { 97 final String shutdownAction = SystemProperties.get( 98 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 99 if (shutdownAction != null && shutdownAction.length() > 0) { 100 boolean reboot = (shutdownAction.charAt(0) == '1'); 101 102 final String reason; 103 if (shutdownAction.length() > 1) { 104 reason = shutdownAction.substring(1, shutdownAction.length()); 105 } else { 106 reason = null; 107 } 108 109 ShutdownThread.rebootOrShutdown(reboot, reason); 110 } 111 } 112 113 String factoryTestStr = SystemProperties.get("ro.factorytest"); 114 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 115 : Integer.parseInt(factoryTestStr); 116 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 117 118 AccountManagerService accountManager = null; 119 ContentService contentService = null; 120 LightsService lights = null; 121 PowerManagerService power = null; 122 DisplayManagerService display = null; 123 BatteryService battery = null; 124 VibratorService vibrator = null; 125 AlarmManagerService alarm = null; 126 NetworkManagementService networkManagement = null; 127 NetworkStatsService networkStats = null; 128 NetworkPolicyManagerService networkPolicy = null; 129 ConnectivityService connectivity = null; 130 WifiP2pService wifiP2p = null; 131 WifiService wifi = null; 132 NsdService serviceDiscovery= null; 133 IPackageManager pm = null; 134 Context context = null; 135 WindowManagerService wm = null; 136 BluetoothManagerService bluetooth = null; 137 DockObserver dock = null; 138 UsbService usb = null; 139 SerialService serial = null; 140 UiModeManagerService uiMode = null; 141 RecognitionManagerService recognition = null; 142 ThrottleService throttle = null; 143 NetworkTimeUpdateService networkTimeUpdater = null; 144 CommonTimeManagementService commonTimeMgmtService = null; 145 InputManagerService inputManager = null; 146 147 // Critical services... 148 try { 149 Slog.i(TAG, "Entropy Mixer"); 150 ServiceManager.addService("entropy", new EntropyMixer()); 151 152 Slog.i(TAG, "Power Manager"); 153 power = new PowerManagerService(); 154 ServiceManager.addService(Context.POWER_SERVICE, power); 155 156 Slog.i(TAG, "Display Manager"); 157 display = new DisplayManagerService(); 158 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 159 160 Slog.i(TAG, "Activity Manager"); 161 context = ActivityManagerService.main(factoryTest); 162 display.setContext(context); 163 164 Slog.i(TAG, "Telephony Registry"); 165 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 166 167 Slog.i(TAG, "Scheduling Policy"); 168 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 169 new SchedulingPolicyService()); 170 171 AttributeCache.init(context); 172 173 Slog.i(TAG, "Package Manager"); 174 // Only run "core" apps if we're encrypting the device. 175 String cryptState = SystemProperties.get("vold.decrypt"); 176 boolean onlyCore = false; 177 if (ENCRYPTING_STATE.equals(cryptState)) { 178 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 179 onlyCore = true; 180 } else if (ENCRYPTED_STATE.equals(cryptState)) { 181 Slog.w(TAG, "Device encrypted - only parsing core apps"); 182 onlyCore = true; 183 } 184 185 pm = PackageManagerService.main(context, 186 factoryTest != SystemServer.FACTORY_TEST_OFF, 187 onlyCore); 188 boolean firstBoot = false; 189 try { 190 firstBoot = pm.isFirstBoot(); 191 } catch (RemoteException e) { 192 } 193 194 ActivityManagerService.setSystemProcess(); 195 196 mContentResolver = context.getContentResolver(); 197 198 // The AccountManager must come before the ContentService 199 try { 200 Slog.i(TAG, "Account Manager"); 201 accountManager = new AccountManagerService(context); 202 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 203 } catch (Throwable e) { 204 Slog.e(TAG, "Failure starting Account Manager", e); 205 } 206 207 Slog.i(TAG, "Content Manager"); 208 contentService = ContentService.main(context, 209 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 210 211 Slog.i(TAG, "System Content Providers"); 212 ActivityManagerService.installSystemProviders(); 213 214 Slog.i(TAG, "Lights Service"); 215 lights = new LightsService(context); 216 217 Slog.i(TAG, "Battery Service"); 218 battery = new BatteryService(context, lights); 219 ServiceManager.addService("battery", battery); 220 221 Slog.i(TAG, "Vibrator Service"); 222 vibrator = new VibratorService(context); 223 ServiceManager.addService("vibrator", vibrator); 224 225 // only initialize the power service after we have started the 226 // lights service, content providers and the battery service. 227 power.init(context, lights, ActivityManagerService.self(), battery, display); 228 229 Slog.i(TAG, "Alarm Manager"); 230 alarm = new AlarmManagerService(context); 231 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 232 233 Slog.i(TAG, "Init Watchdog"); 234 Watchdog.getInstance().init(context, battery, power, alarm, 235 ActivityManagerService.self()); 236 237 Slog.i(TAG, "Window Manager"); 238 wm = WindowManagerService.main(context, power, display, 239 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 240 !firstBoot, onlyCore); 241 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 242 inputManager = wm.getInputManagerService(); 243 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 244 245 ActivityManagerService.self().setWindowManager(wm); 246 247 // Skip Bluetooth if we have an emulator kernel 248 // TODO: Use a more reliable check to see if this product should 249 // support Bluetooth - see bug 988521 250 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 251 Slog.i(TAG, "No Bluetooh Service (emulator)"); 252 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 253 Slog.i(TAG, "No Bluetooth Service (factory test)"); 254 } else { 255 Slog.i(TAG, "Bluetooth Manager Service"); 256 bluetooth = new BluetoothManagerService(context); 257 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 258 } 259 260 } catch (RuntimeException e) { 261 Slog.e("System", "******************************************"); 262 Slog.e("System", "************ Failure starting core service", e); 263 } 264 265 DevicePolicyManagerService devicePolicy = null; 266 StatusBarManagerService statusBar = null; 267 InputMethodManagerService imm = null; 268 AppWidgetService appWidget = null; 269 NotificationManagerService notification = null; 270 WallpaperManagerService wallpaper = null; 271 LocationManagerService location = null; 272 CountryDetectorService countryDetector = null; 273 TextServicesManagerService tsms = null; 274 LockSettingsService lockSettings = null; 275 DreamManagerService dreamy = null; 276 277 // Bring up services needed for UI. 278 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 279 try { 280 Slog.i(TAG, "Input Method Service"); 281 imm = new InputMethodManagerService(context, wm); 282 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 283 } catch (Throwable e) { 284 reportWtf("starting Input Manager Service", e); 285 } 286 287 try { 288 Slog.i(TAG, "Accessibility Manager"); 289 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 290 new AccessibilityManagerService(context)); 291 } catch (Throwable e) { 292 reportWtf("starting Accessibility Manager", e); 293 } 294 } 295 296 try { 297 wm.displayReady(); 298 } catch (Throwable e) { 299 reportWtf("making display ready", e); 300 } 301 302 try { 303 pm.performBootDexOpt(); 304 } catch (Throwable e) { 305 reportWtf("performing boot dexopt", e); 306 } 307 308 try { 309 ActivityManagerNative.getDefault().showBootMessage( 310 context.getResources().getText( 311 com.android.internal.R.string.android_upgrading_starting_apps), 312 false); 313 } catch (RemoteException e) { 314 } 315 316 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 317 MountService mountService = null; 318 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 319 try { 320 /* 321 * NotificationManagerService is dependant on MountService, 322 * (for media / usb notifications) so we must start MountService first. 323 */ 324 Slog.i(TAG, "Mount Service"); 325 mountService = new MountService(context); 326 ServiceManager.addService("mount", mountService); 327 } catch (Throwable e) { 328 reportWtf("starting Mount Service", e); 329 } 330 } 331 332 try { 333 Slog.i(TAG, "LockSettingsService"); 334 lockSettings = new LockSettingsService(context); 335 ServiceManager.addService("lock_settings", lockSettings); 336 } catch (Throwable e) { 337 reportWtf("starting LockSettingsService service", e); 338 } 339 340 try { 341 Slog.i(TAG, "Device Policy"); 342 devicePolicy = new DevicePolicyManagerService(context); 343 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 344 } catch (Throwable e) { 345 reportWtf("starting DevicePolicyService", e); 346 } 347 348 try { 349 Slog.i(TAG, "Status Bar"); 350 statusBar = new StatusBarManagerService(context, wm); 351 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 352 } catch (Throwable e) { 353 reportWtf("starting StatusBarManagerService", e); 354 } 355 356 try { 357 Slog.i(TAG, "Clipboard Service"); 358 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 359 new ClipboardService(context)); 360 } catch (Throwable e) { 361 reportWtf("starting Clipboard Service", e); 362 } 363 364 try { 365 Slog.i(TAG, "NetworkManagement Service"); 366 networkManagement = NetworkManagementService.create(context); 367 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 368 } catch (Throwable e) { 369 reportWtf("starting NetworkManagement Service", e); 370 } 371 372 try { 373 Slog.i(TAG, "Text Service Manager Service"); 374 tsms = new TextServicesManagerService(context); 375 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 376 } catch (Throwable e) { 377 reportWtf("starting Text Service Manager Service", e); 378 } 379 380 try { 381 Slog.i(TAG, "NetworkStats Service"); 382 networkStats = new NetworkStatsService(context, networkManagement, alarm); 383 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 384 } catch (Throwable e) { 385 reportWtf("starting NetworkStats Service", e); 386 } 387 388 try { 389 Slog.i(TAG, "NetworkPolicy Service"); 390 networkPolicy = new NetworkPolicyManagerService( 391 context, ActivityManagerService.self(), power, 392 networkStats, networkManagement); 393 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 394 } catch (Throwable e) { 395 reportWtf("starting NetworkPolicy Service", e); 396 } 397 398 try { 399 Slog.i(TAG, "Wi-Fi P2pService"); 400 wifiP2p = new WifiP2pService(context); 401 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 402 } catch (Throwable e) { 403 reportWtf("starting Wi-Fi P2pService", e); 404 } 405 406 try { 407 Slog.i(TAG, "Wi-Fi Service"); 408 wifi = new WifiService(context); 409 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 410 } catch (Throwable e) { 411 reportWtf("starting Wi-Fi Service", e); 412 } 413 414 try { 415 Slog.i(TAG, "Connectivity Service"); 416 connectivity = new ConnectivityService( 417 context, networkManagement, networkStats, networkPolicy); 418 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 419 networkStats.bindConnectivityManager(connectivity); 420 networkPolicy.bindConnectivityManager(connectivity); 421 wifi.checkAndStartWifi(); 422 wifiP2p.connectivityServiceReady(); 423 } catch (Throwable e) { 424 reportWtf("starting Connectivity Service", e); 425 } 426 427 try { 428 Slog.i(TAG, "Network Service Discovery Service"); 429 serviceDiscovery = NsdService.create(context); 430 ServiceManager.addService( 431 Context.NSD_SERVICE, serviceDiscovery); 432 } catch (Throwable e) { 433 reportWtf("starting Service Discovery Service", e); 434 } 435 436 try { 437 Slog.i(TAG, "Throttle Service"); 438 throttle = new ThrottleService(context); 439 ServiceManager.addService( 440 Context.THROTTLE_SERVICE, throttle); 441 } catch (Throwable e) { 442 reportWtf("starting ThrottleService", e); 443 } 444 445 try { 446 Slog.i(TAG, "UpdateLock Service"); 447 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 448 new UpdateLockService(context)); 449 } catch (Throwable e) { 450 reportWtf("starting UpdateLockService", e); 451 } 452 453 /* 454 * MountService has a few dependencies: Notification Manager and 455 * AppWidget Provider. Make sure MountService is completely started 456 * first before continuing. 457 */ 458 if (mountService != null) { 459 mountService.waitForAsecScan(); 460 } 461 462 try { 463 if (accountManager != null) 464 accountManager.systemReady(); 465 } catch (Throwable e) { 466 reportWtf("making Account Manager Service ready", e); 467 } 468 469 try { 470 if (contentService != null) 471 contentService.systemReady(); 472 } catch (Throwable e) { 473 reportWtf("making Content Service ready", e); 474 } 475 476 try { 477 Slog.i(TAG, "Notification Manager"); 478 notification = new NotificationManagerService(context, statusBar, lights); 479 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 480 networkPolicy.bindNotificationManager(notification); 481 } catch (Throwable e) { 482 reportWtf("starting Notification Manager", e); 483 } 484 485 try { 486 Slog.i(TAG, "Device Storage Monitor"); 487 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 488 new DeviceStorageMonitorService(context)); 489 } catch (Throwable e) { 490 reportWtf("starting DeviceStorageMonitor service", e); 491 } 492 493 try { 494 Slog.i(TAG, "Location Manager"); 495 location = new LocationManagerService(context); 496 ServiceManager.addService(Context.LOCATION_SERVICE, location); 497 } catch (Throwable e) { 498 reportWtf("starting Location Manager", e); 499 } 500 501 try { 502 Slog.i(TAG, "Country Detector"); 503 countryDetector = new CountryDetectorService(context); 504 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 505 } catch (Throwable e) { 506 reportWtf("starting Country Detector", e); 507 } 508 509 try { 510 Slog.i(TAG, "Search Service"); 511 ServiceManager.addService(Context.SEARCH_SERVICE, 512 new SearchManagerService(context)); 513 } catch (Throwable e) { 514 reportWtf("starting Search Service", e); 515 } 516 517 try { 518 Slog.i(TAG, "DropBox Service"); 519 ServiceManager.addService(Context.DROPBOX_SERVICE, 520 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 521 } catch (Throwable e) { 522 reportWtf("starting DropBoxManagerService", e); 523 } 524 525 if (context.getResources().getBoolean( 526 com.android.internal.R.bool.config_enableWallpaperService)) { 527 try { 528 Slog.i(TAG, "Wallpaper Service"); 529 if (!headless) { 530 wallpaper = new WallpaperManagerService(context); 531 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 532 } 533 } catch (Throwable e) { 534 reportWtf("starting Wallpaper Service", e); 535 } 536 } 537 538 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 539 try { 540 Slog.i(TAG, "Audio Service"); 541 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 542 } catch (Throwable e) { 543 reportWtf("starting Audio Service", e); 544 } 545 } 546 547 try { 548 Slog.i(TAG, "Dock Observer"); 549 // Listen for dock station changes 550 dock = new DockObserver(context, power); 551 } catch (Throwable e) { 552 reportWtf("starting DockObserver", e); 553 } 554 555 try { 556 Slog.i(TAG, "Wired Accessory Observer"); 557 // Listen for wired headset changes 558 new WiredAccessoryObserver(context); 559 } catch (Throwable e) { 560 reportWtf("starting WiredAccessoryObserver", e); 561 } 562 563 try { 564 Slog.i(TAG, "USB Service"); 565 // Manage USB host and device support 566 usb = new UsbService(context); 567 ServiceManager.addService(Context.USB_SERVICE, usb); 568 } catch (Throwable e) { 569 reportWtf("starting UsbService", e); 570 } 571 572 try { 573 Slog.i(TAG, "Serial Service"); 574 // Serial port support 575 serial = new SerialService(context); 576 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 577 } catch (Throwable e) { 578 Slog.e(TAG, "Failure starting SerialService", e); 579 } 580 581 try { 582 Slog.i(TAG, "UI Mode Manager Service"); 583 // Listen for UI mode changes 584 uiMode = new UiModeManagerService(context); 585 } catch (Throwable e) { 586 reportWtf("starting UiModeManagerService", e); 587 } 588 589 try { 590 Slog.i(TAG, "Backup Service"); 591 ServiceManager.addService(Context.BACKUP_SERVICE, 592 new BackupManagerService(context)); 593 } catch (Throwable e) { 594 Slog.e(TAG, "Failure starting Backup Service", e); 595 } 596 597 try { 598 Slog.i(TAG, "AppWidget Service"); 599 appWidget = new AppWidgetService(context); 600 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 601 } catch (Throwable e) { 602 reportWtf("starting AppWidget Service", e); 603 } 604 605 try { 606 Slog.i(TAG, "Recognition Service"); 607 recognition = new RecognitionManagerService(context); 608 } catch (Throwable e) { 609 reportWtf("starting Recognition Service", e); 610 } 611 612 try { 613 Slog.i(TAG, "DiskStats Service"); 614 ServiceManager.addService("diskstats", new DiskStatsService(context)); 615 } catch (Throwable e) { 616 reportWtf("starting DiskStats Service", e); 617 } 618 619 try { 620 // need to add this service even if SamplingProfilerIntegration.isEnabled() 621 // is false, because it is this service that detects system property change and 622 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 623 // there is little overhead for running this service. 624 Slog.i(TAG, "SamplingProfiler Service"); 625 ServiceManager.addService("samplingprofiler", 626 new SamplingProfilerService(context)); 627 } catch (Throwable e) { 628 reportWtf("starting SamplingProfiler Service", e); 629 } 630 631 try { 632 Slog.i(TAG, "NetworkTimeUpdateService"); 633 networkTimeUpdater = new NetworkTimeUpdateService(context); 634 } catch (Throwable e) { 635 reportWtf("starting NetworkTimeUpdate service", e); 636 } 637 638 try { 639 Slog.i(TAG, "CommonTimeManagementService"); 640 commonTimeMgmtService = new CommonTimeManagementService(context); 641 ServiceManager.addService("commontime_management", commonTimeMgmtService); 642 } catch (Throwable e) { 643 reportWtf("starting CommonTimeManagementService service", e); 644 } 645 646 try { 647 Slog.i(TAG, "CertBlacklister"); 648 CertBlacklister blacklister = new CertBlacklister(context); 649 } catch (Throwable e) { 650 reportWtf("starting CertBlacklister", e); 651 } 652 653 if (context.getResources().getBoolean( 654 com.android.internal.R.bool.config_enableDreams)) { 655 try { 656 Slog.i(TAG, "Dreams Service"); 657 // Dreams (interactive idle-time views, a/k/a screen savers) 658 dreamy = new DreamManagerService(context); 659 ServiceManager.addService("dreams", dreamy); 660 } catch (Throwable e) { 661 reportWtf("starting DreamManagerService", e); 662 } 663 } 664 } 665 666 // Before things start rolling, be sure we have decided whether 667 // we are in safe mode. 668 final boolean safeMode = wm.detectSafeMode(); 669 if (safeMode) { 670 ActivityManagerService.self().enterSafeMode(); 671 // Post the safe mode state in the Zygote class 672 Zygote.systemInSafeMode = true; 673 // Disable the JIT for the system_server process 674 VMRuntime.getRuntime().disableJitCompilation(); 675 } else { 676 // Enable the JIT for the system_server process 677 VMRuntime.getRuntime().startJitCompilation(); 678 } 679 680 // It is now time to start up the app processes... 681 682 try { 683 vibrator.systemReady(); 684 } catch (Throwable e) { 685 reportWtf("making Vibrator Service ready", e); 686 } 687 688 if (devicePolicy != null) { 689 try { 690 devicePolicy.systemReady(); 691 } catch (Throwable e) { 692 reportWtf("making Device Policy Service ready", e); 693 } 694 } 695 696 if (notification != null) { 697 try { 698 notification.systemReady(); 699 } catch (Throwable e) { 700 reportWtf("making Notification Service ready", e); 701 } 702 } 703 704 try { 705 wm.systemReady(); 706 } catch (Throwable e) { 707 reportWtf("making Window Manager Service ready", e); 708 } 709 710 if (safeMode) { 711 ActivityManagerService.self().showSafeModeOverlay(); 712 } 713 714 // Update the configuration for this context by hand, because we're going 715 // to start using it before the config change done in wm.systemReady() will 716 // propagate to it. 717 Configuration config = wm.computeNewConfiguration(); 718 DisplayMetrics metrics = new DisplayMetrics(); 719 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 720 w.getDefaultDisplay().getMetrics(metrics); 721 context.getResources().updateConfiguration(config, metrics); 722 723 power.systemReady(); 724 try { 725 pm.systemReady(); 726 } catch (Throwable e) { 727 reportWtf("making Package Manager Service ready", e); 728 } 729 try { 730 lockSettings.systemReady(); 731 } catch (Throwable e) { 732 reportWtf("making Lock Settings Service ready", e); 733 } 734 735 // These are needed to propagate to the runnable below. 736 final Context contextF = context; 737 final BatteryService batteryF = battery; 738 final NetworkManagementService networkManagementF = networkManagement; 739 final NetworkStatsService networkStatsF = networkStats; 740 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 741 final ConnectivityService connectivityF = connectivity; 742 final DockObserver dockF = dock; 743 final UsbService usbF = usb; 744 final ThrottleService throttleF = throttle; 745 final UiModeManagerService uiModeF = uiMode; 746 final AppWidgetService appWidgetF = appWidget; 747 final WallpaperManagerService wallpaperF = wallpaper; 748 final InputMethodManagerService immF = imm; 749 final RecognitionManagerService recognitionF = recognition; 750 final LocationManagerService locationF = location; 751 final CountryDetectorService countryDetectorF = countryDetector; 752 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 753 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 754 final TextServicesManagerService textServiceManagerServiceF = tsms; 755 final StatusBarManagerService statusBarF = statusBar; 756 final DreamManagerService dreamyF = dreamy; 757 final InputManagerService inputManagerF = inputManager; 758 759 // We now tell the activity manager it is okay to run third party 760 // code. It will call back into us once it has gotten to the state 761 // where third party code can really run (but before it has actually 762 // started launching the initial applications), for us to complete our 763 // initialization. 764 ActivityManagerService.self().systemReady(new Runnable() { 765 public void run() { 766 Slog.i(TAG, "Making services ready"); 767 768 if (!headless) startSystemUi(contextF); 769 try { 770 if (batteryF != null) batteryF.systemReady(); 771 } catch (Throwable e) { 772 reportWtf("making Battery Service ready", e); 773 } 774 try { 775 if (networkManagementF != null) networkManagementF.systemReady(); 776 } catch (Throwable e) { 777 reportWtf("making Network Managment Service ready", e); 778 } 779 try { 780 if (networkStatsF != null) networkStatsF.systemReady(); 781 } catch (Throwable e) { 782 reportWtf("making Network Stats Service ready", e); 783 } 784 try { 785 if (networkPolicyF != null) networkPolicyF.systemReady(); 786 } catch (Throwable e) { 787 reportWtf("making Network Policy Service ready", e); 788 } 789 try { 790 if (connectivityF != null) connectivityF.systemReady(); 791 } catch (Throwable e) { 792 reportWtf("making Connectivity Service ready", e); 793 } 794 try { 795 if (dockF != null) dockF.systemReady(); 796 } catch (Throwable e) { 797 reportWtf("making Dock Service ready", e); 798 } 799 try { 800 if (usbF != null) usbF.systemReady(); 801 } catch (Throwable e) { 802 reportWtf("making USB Service ready", e); 803 } 804 try { 805 if (uiModeF != null) uiModeF.systemReady(); 806 } catch (Throwable e) { 807 reportWtf("making UI Mode Service ready", e); 808 } 809 try { 810 if (recognitionF != null) recognitionF.systemReady(); 811 } catch (Throwable e) { 812 reportWtf("making Recognition Service ready", e); 813 } 814 Watchdog.getInstance().start(); 815 816 // It is now okay to let the various system services start their 817 // third party code... 818 819 try { 820 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 821 } catch (Throwable e) { 822 reportWtf("making App Widget Service ready", e); 823 } 824 try { 825 if (wallpaperF != null) wallpaperF.systemReady(); 826 } catch (Throwable e) { 827 reportWtf("making Wallpaper Service ready", e); 828 } 829 try { 830 if (immF != null) immF.systemReady(statusBarF); 831 } catch (Throwable e) { 832 reportWtf("making Input Method Service ready", e); 833 } 834 try { 835 if (locationF != null) locationF.systemReady(); 836 } catch (Throwable e) { 837 reportWtf("making Location Service ready", e); 838 } 839 try { 840 if (countryDetectorF != null) countryDetectorF.systemReady(); 841 } catch (Throwable e) { 842 reportWtf("making Country Detector Service ready", e); 843 } 844 try { 845 if (throttleF != null) throttleF.systemReady(); 846 } catch (Throwable e) { 847 reportWtf("making Throttle Service ready", e); 848 } 849 try { 850 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 851 } catch (Throwable e) { 852 reportWtf("making Network Time Service ready", e); 853 } 854 try { 855 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 856 } catch (Throwable e) { 857 reportWtf("making Common time management service ready", e); 858 } 859 try { 860 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 861 } catch (Throwable e) { 862 reportWtf("making Text Services Manager Service ready", e); 863 } 864 try { 865 if (dreamyF != null) dreamyF.systemReady(); 866 } catch (Throwable e) { 867 reportWtf("making DreamManagerService ready", e); 868 } 869 try { 870 // TODO(BT) Pass parameter to input manager 871 if (inputManagerF != null) inputManagerF.systemReady(); 872 } catch (Throwable e) { 873 reportWtf("making InputManagerService ready", e); 874 } 875 } 876 }); 877 878 // For debug builds, log event loop stalls to dropbox for analysis. 879 if (StrictMode.conditionallyEnableDebugLogging()) { 880 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 881 } 882 883 Looper.loop(); 884 Slog.d(TAG, "System ServerThread is exiting!"); 885 } 886 887 static final void startSystemUi(Context context) { 888 Intent intent = new Intent(); 889 intent.setComponent(new ComponentName("com.android.systemui", 890 "com.android.systemui.SystemUIService")); 891 Slog.d(TAG, "Starting service: " + intent); 892 context.startService(intent); 893 } 894} 895 896public class SystemServer { 897 private static final String TAG = "SystemServer"; 898 899 public static final int FACTORY_TEST_OFF = 0; 900 public static final int FACTORY_TEST_LOW_LEVEL = 1; 901 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 902 903 static Timer timer; 904 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 905 906 // The earliest supported time. We pick one day into 1970, to 907 // give any timezone code room without going into negative time. 908 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 909 910 /** 911 * This method is called from Zygote to initialize the system. This will cause the native 912 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 913 * up into init2() to start the Android services. 914 */ 915 native public static void init1(String[] args); 916 917 public static void main(String[] args) { 918 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 919 // If a device's clock is before 1970 (before 0), a lot of 920 // APIs crash dealing with negative numbers, notably 921 // java.io.File#setLastModified, so instead we fake it and 922 // hope that time from cell towers or NTP fixes it 923 // shortly. 924 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 925 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 926 } 927 928 if (SamplingProfilerIntegration.isEnabled()) { 929 SamplingProfilerIntegration.start(); 930 timer = new Timer(); 931 timer.schedule(new TimerTask() { 932 @Override 933 public void run() { 934 SamplingProfilerIntegration.writeSnapshot("system_server", null); 935 } 936 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 937 } 938 939 // Mmmmmm... more memory! 940 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 941 942 // The system server has to run all of the time, so it needs to be 943 // as efficient as possible with its memory usage. 944 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 945 946 System.loadLibrary("android_servers"); 947 init1(args); 948 } 949 950 public static final void init2() { 951 Slog.i(TAG, "Entered the Android system server!"); 952 Thread thr = new ServerThread(); 953 thr.setName("android.server.ServerThread"); 954 thr.start(); 955 } 956} 957