SystemServer.java revision d728bf514f257670fcb9aa22c6eaf97626072c93
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.Handler; 32import android.os.HandlerThread; 33import android.os.Looper; 34import android.os.RemoteException; 35import android.os.SchedulingPolicyService; 36import android.os.ServiceManager; 37import android.os.StrictMode; 38import android.os.SystemClock; 39import android.os.SystemProperties; 40import android.provider.Settings; 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.Display; 48import android.view.WindowManager; 49 50import com.android.internal.os.BinderInternal; 51import com.android.internal.os.SamplingProfilerIntegration; 52import com.android.internal.widget.LockSettingsService; 53import com.android.server.accessibility.AccessibilityManagerService; 54import com.android.server.am.ActivityManagerService; 55import com.android.server.am.BatteryStatsService; 56import com.android.server.display.DisplayManagerService; 57import com.android.server.input.InputManagerService; 58import com.android.server.net.NetworkPolicyManagerService; 59import com.android.server.net.NetworkStatsService; 60import com.android.server.pm.PackageManagerService; 61import com.android.server.pm.UserManagerService; 62import com.android.server.power.PowerManagerService; 63import com.android.server.power.ShutdownThread; 64import com.android.server.usb.UsbService; 65import com.android.server.wm.WindowManagerService; 66 67import dalvik.system.VMRuntime; 68import dalvik.system.Zygote; 69 70import java.io.File; 71import java.util.Timer; 72import java.util.TimerTask; 73 74class ServerThread extends Thread { 75 private static final String TAG = "SystemServer"; 76 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 77 private static final String ENCRYPTED_STATE = "1"; 78 79 ContentResolver mContentResolver; 80 81 void reportWtf(String msg, Throwable e) { 82 Slog.w(TAG, "***********************************************"); 83 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 84 } 85 86 @Override 87 public void run() { 88 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 89 SystemClock.uptimeMillis()); 90 91 Looper.prepareMainLooper(); 92 93 android.os.Process.setThreadPriority( 94 android.os.Process.THREAD_PRIORITY_FOREGROUND); 95 96 BinderInternal.disableBackgroundScheduling(true); 97 android.os.Process.setCanSelfBackground(false); 98 99 // Check whether we failed to shut down last time we tried. 100 { 101 final String shutdownAction = SystemProperties.get( 102 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 103 if (shutdownAction != null && shutdownAction.length() > 0) { 104 boolean reboot = (shutdownAction.charAt(0) == '1'); 105 106 final String reason; 107 if (shutdownAction.length() > 1) { 108 reason = shutdownAction.substring(1, shutdownAction.length()); 109 } else { 110 reason = null; 111 } 112 113 ShutdownThread.rebootOrShutdown(reboot, reason); 114 } 115 } 116 117 String factoryTestStr = SystemProperties.get("ro.factorytest"); 118 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 119 : Integer.parseInt(factoryTestStr); 120 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 121 122 AccountManagerService accountManager = null; 123 ContentService contentService = null; 124 LightsService lights = null; 125 PowerManagerService power = null; 126 DisplayManagerService display = null; 127 BatteryService battery = null; 128 VibratorService vibrator = null; 129 AlarmManagerService alarm = null; 130 NetworkManagementService networkManagement = null; 131 NetworkStatsService networkStats = null; 132 NetworkPolicyManagerService networkPolicy = null; 133 ConnectivityService connectivity = null; 134 WifiP2pService wifiP2p = null; 135 WifiService wifi = null; 136 NsdService serviceDiscovery= null; 137 IPackageManager pm = null; 138 Context context = null; 139 WindowManagerService wm = null; 140 BluetoothManagerService bluetooth = null; 141 DockObserver dock = null; 142 UsbService usb = null; 143 SerialService serial = null; 144 TwilightService twilight = null; 145 UiModeManagerService uiMode = null; 146 RecognitionManagerService recognition = null; 147 ThrottleService throttle = null; 148 NetworkTimeUpdateService networkTimeUpdater = null; 149 CommonTimeManagementService commonTimeMgmtService = null; 150 InputManagerService inputManager = null; 151 152 // Create a shared handler thread for UI within the system server. 153 // This thread is used by at least the following components: 154 // - WindowManagerPolicy 155 // - KeyguardViewManager 156 // - DisplayManagerService 157 HandlerThread uiHandlerThread = new HandlerThread("UI"); 158 uiHandlerThread.start(); 159 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 160 uiHandler.post(new Runnable() { 161 @Override 162 public void run() { 163 //Looper.myLooper().setMessageLogging(new LogPrinter( 164 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 165 android.os.Process.setThreadPriority( 166 android.os.Process.THREAD_PRIORITY_FOREGROUND); 167 android.os.Process.setCanSelfBackground(false); 168 169 // For debug builds, log event loop stalls to dropbox for analysis. 170 if (StrictMode.conditionallyEnableDebugLogging()) { 171 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 172 } 173 } 174 }); 175 176 // Create a handler thread just for the window manager to enjoy. 177 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 178 wmHandlerThread.start(); 179 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 180 wmHandler.post(new Runnable() { 181 @Override 182 public void run() { 183 //Looper.myLooper().setMessageLogging(new LogPrinter( 184 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 185 android.os.Process.setThreadPriority( 186 android.os.Process.THREAD_PRIORITY_DISPLAY); 187 android.os.Process.setCanSelfBackground(false); 188 189 // For debug builds, log event loop stalls to dropbox for analysis. 190 if (StrictMode.conditionallyEnableDebugLogging()) { 191 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 192 } 193 } 194 }); 195 196 // Critical services... 197 boolean onlyCore = false; 198 try { 199 Slog.i(TAG, "Entropy Mixer"); 200 ServiceManager.addService("entropy", new EntropyMixer()); 201 202 Slog.i(TAG, "Power Manager"); 203 power = new PowerManagerService(); 204 ServiceManager.addService(Context.POWER_SERVICE, power); 205 206 Slog.i(TAG, "Activity Manager"); 207 context = ActivityManagerService.main(factoryTest); 208 209 Slog.i(TAG, "Display Manager"); 210 display = new DisplayManagerService(context, wmHandler, uiHandler); 211 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 212 213 Slog.i(TAG, "Telephony Registry"); 214 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 215 216 Slog.i(TAG, "Scheduling Policy"); 217 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 218 new SchedulingPolicyService()); 219 220 AttributeCache.init(context); 221 222 if (!display.waitForDefaultDisplay()) { 223 reportWtf("Timeout waiting for default display to be initialized.", 224 new Throwable()); 225 } 226 227 Slog.i(TAG, "Package Manager"); 228 // Only run "core" apps if we're encrypting the device. 229 String cryptState = SystemProperties.get("vold.decrypt"); 230 if (ENCRYPTING_STATE.equals(cryptState)) { 231 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 232 onlyCore = true; 233 } else if (ENCRYPTED_STATE.equals(cryptState)) { 234 Slog.w(TAG, "Device encrypted - only parsing core apps"); 235 onlyCore = true; 236 } 237 238 pm = PackageManagerService.main(context, 239 factoryTest != SystemServer.FACTORY_TEST_OFF, 240 onlyCore); 241 boolean firstBoot = false; 242 try { 243 firstBoot = pm.isFirstBoot(); 244 } catch (RemoteException e) { 245 } 246 247 ActivityManagerService.setSystemProcess(); 248 249 Slog.i(TAG, "User Service"); 250 ServiceManager.addService(Context.USER_SERVICE, 251 UserManagerService.getInstance()); 252 253 254 mContentResolver = context.getContentResolver(); 255 256 // The AccountManager must come before the ContentService 257 try { 258 Slog.i(TAG, "Account Manager"); 259 accountManager = new AccountManagerService(context); 260 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 261 } catch (Throwable e) { 262 Slog.e(TAG, "Failure starting Account Manager", e); 263 } 264 265 Slog.i(TAG, "Content Manager"); 266 contentService = ContentService.main(context, 267 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 268 269 Slog.i(TAG, "System Content Providers"); 270 ActivityManagerService.installSystemProviders(); 271 272 Slog.i(TAG, "Lights Service"); 273 lights = new LightsService(context); 274 275 Slog.i(TAG, "Battery Service"); 276 battery = new BatteryService(context, lights); 277 ServiceManager.addService("battery", battery); 278 279 Slog.i(TAG, "Vibrator Service"); 280 vibrator = new VibratorService(context); 281 ServiceManager.addService("vibrator", vibrator); 282 283 // only initialize the power service after we have started the 284 // lights service, content providers and the battery service. 285 power.init(context, lights, ActivityManagerService.self(), battery, 286 BatteryStatsService.getService(), display); 287 288 Slog.i(TAG, "Alarm Manager"); 289 alarm = new AlarmManagerService(context); 290 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 291 292 Slog.i(TAG, "Init Watchdog"); 293 Watchdog.getInstance().init(context, battery, power, alarm, 294 ActivityManagerService.self()); 295 296 Slog.i(TAG, "Window Manager"); 297 wm = WindowManagerService.main(context, power, display, 298 uiHandler, wmHandler, 299 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 300 !firstBoot, onlyCore); 301 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 302 inputManager = wm.getInputManagerService(); 303 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 304 305 ActivityManagerService.self().setWindowManager(wm); 306 display.setWindowManager(wm); 307 display.setInputManager(inputManager); 308 309 // Skip Bluetooth if we have an emulator kernel 310 // TODO: Use a more reliable check to see if this product should 311 // support Bluetooth - see bug 988521 312 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 313 Slog.i(TAG, "No Bluetooh Service (emulator)"); 314 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 315 Slog.i(TAG, "No Bluetooth Service (factory test)"); 316 } else { 317 Slog.i(TAG, "Bluetooth Manager Service"); 318 bluetooth = new BluetoothManagerService(context); 319 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 320 } 321 322 } catch (RuntimeException e) { 323 Slog.e("System", "******************************************"); 324 Slog.e("System", "************ Failure starting core service", e); 325 } 326 327 DevicePolicyManagerService devicePolicy = null; 328 StatusBarManagerService statusBar = null; 329 InputMethodManagerService imm = null; 330 AppWidgetService appWidget = null; 331 NotificationManagerService notification = null; 332 WallpaperManagerService wallpaper = null; 333 LocationManagerService location = null; 334 CountryDetectorService countryDetector = null; 335 TextServicesManagerService tsms = null; 336 LockSettingsService lockSettings = null; 337 DreamManagerService dreamy = null; 338 339 // Bring up services needed for UI. 340 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 341 try { 342 Slog.i(TAG, "Input Method Service"); 343 imm = new InputMethodManagerService(context, wm); 344 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 345 } catch (Throwable e) { 346 reportWtf("starting Input Manager Service", e); 347 } 348 349 try { 350 Slog.i(TAG, "Accessibility Manager"); 351 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 352 new AccessibilityManagerService(context)); 353 } catch (Throwable e) { 354 reportWtf("starting Accessibility Manager", e); 355 } 356 } 357 358 try { 359 wm.displayReady(); 360 } catch (Throwable e) { 361 reportWtf("making display ready", e); 362 } 363 364 try { 365 pm.performBootDexOpt(); 366 } catch (Throwable e) { 367 reportWtf("performing boot dexopt", e); 368 } 369 370 try { 371 ActivityManagerNative.getDefault().showBootMessage( 372 context.getResources().getText( 373 com.android.internal.R.string.android_upgrading_starting_apps), 374 false); 375 } catch (RemoteException e) { 376 } 377 378 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 379 MountService mountService = null; 380 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 381 try { 382 /* 383 * NotificationManagerService is dependant on MountService, 384 * (for media / usb notifications) so we must start MountService first. 385 */ 386 Slog.i(TAG, "Mount Service"); 387 mountService = new MountService(context); 388 ServiceManager.addService("mount", mountService); 389 } catch (Throwable e) { 390 reportWtf("starting Mount Service", e); 391 } 392 } 393 394 try { 395 Slog.i(TAG, "LockSettingsService"); 396 lockSettings = new LockSettingsService(context); 397 ServiceManager.addService("lock_settings", lockSettings); 398 } catch (Throwable e) { 399 reportWtf("starting LockSettingsService service", e); 400 } 401 402 try { 403 Slog.i(TAG, "Device Policy"); 404 devicePolicy = new DevicePolicyManagerService(context); 405 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 406 } catch (Throwable e) { 407 reportWtf("starting DevicePolicyService", e); 408 } 409 410 try { 411 Slog.i(TAG, "Status Bar"); 412 statusBar = new StatusBarManagerService(context, wm); 413 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 414 } catch (Throwable e) { 415 reportWtf("starting StatusBarManagerService", e); 416 } 417 418 try { 419 Slog.i(TAG, "Clipboard Service"); 420 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 421 new ClipboardService(context)); 422 } catch (Throwable e) { 423 reportWtf("starting Clipboard Service", e); 424 } 425 426 try { 427 Slog.i(TAG, "NetworkManagement Service"); 428 networkManagement = NetworkManagementService.create(context); 429 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 430 } catch (Throwable e) { 431 reportWtf("starting NetworkManagement Service", e); 432 } 433 434 try { 435 Slog.i(TAG, "Text Service Manager Service"); 436 tsms = new TextServicesManagerService(context); 437 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 438 } catch (Throwable e) { 439 reportWtf("starting Text Service Manager Service", e); 440 } 441 442 try { 443 Slog.i(TAG, "NetworkStats Service"); 444 networkStats = new NetworkStatsService(context, networkManagement, alarm); 445 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 446 } catch (Throwable e) { 447 reportWtf("starting NetworkStats Service", e); 448 } 449 450 try { 451 Slog.i(TAG, "NetworkPolicy Service"); 452 networkPolicy = new NetworkPolicyManagerService( 453 context, ActivityManagerService.self(), power, 454 networkStats, networkManagement); 455 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 456 } catch (Throwable e) { 457 reportWtf("starting NetworkPolicy Service", e); 458 } 459 460 try { 461 Slog.i(TAG, "Wi-Fi P2pService"); 462 wifiP2p = new WifiP2pService(context); 463 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 464 } catch (Throwable e) { 465 reportWtf("starting Wi-Fi P2pService", e); 466 } 467 468 try { 469 Slog.i(TAG, "Wi-Fi Service"); 470 wifi = new WifiService(context); 471 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 472 } catch (Throwable e) { 473 reportWtf("starting Wi-Fi Service", e); 474 } 475 476 try { 477 Slog.i(TAG, "Connectivity Service"); 478 connectivity = new ConnectivityService( 479 context, networkManagement, networkStats, networkPolicy); 480 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 481 networkStats.bindConnectivityManager(connectivity); 482 networkPolicy.bindConnectivityManager(connectivity); 483 wifi.checkAndStartWifi(); 484 wifiP2p.connectivityServiceReady(); 485 } catch (Throwable e) { 486 reportWtf("starting Connectivity Service", e); 487 } 488 489 try { 490 Slog.i(TAG, "Network Service Discovery Service"); 491 serviceDiscovery = NsdService.create(context); 492 ServiceManager.addService( 493 Context.NSD_SERVICE, serviceDiscovery); 494 } catch (Throwable e) { 495 reportWtf("starting Service Discovery Service", e); 496 } 497 498 try { 499 Slog.i(TAG, "Throttle Service"); 500 throttle = new ThrottleService(context); 501 ServiceManager.addService( 502 Context.THROTTLE_SERVICE, throttle); 503 } catch (Throwable e) { 504 reportWtf("starting ThrottleService", e); 505 } 506 507 try { 508 Slog.i(TAG, "UpdateLock Service"); 509 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 510 new UpdateLockService(context)); 511 } catch (Throwable e) { 512 reportWtf("starting UpdateLockService", e); 513 } 514 515 /* 516 * MountService has a few dependencies: Notification Manager and 517 * AppWidget Provider. Make sure MountService is completely started 518 * first before continuing. 519 */ 520 if (mountService != null) { 521 mountService.waitForAsecScan(); 522 } 523 524 try { 525 if (accountManager != null) 526 accountManager.systemReady(); 527 } catch (Throwable e) { 528 reportWtf("making Account Manager Service ready", e); 529 } 530 531 try { 532 if (contentService != null) 533 contentService.systemReady(); 534 } catch (Throwable e) { 535 reportWtf("making Content Service ready", e); 536 } 537 538 try { 539 Slog.i(TAG, "Notification Manager"); 540 notification = new NotificationManagerService(context, statusBar, lights); 541 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 542 networkPolicy.bindNotificationManager(notification); 543 } catch (Throwable e) { 544 reportWtf("starting Notification Manager", e); 545 } 546 547 try { 548 Slog.i(TAG, "Device Storage Monitor"); 549 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 550 new DeviceStorageMonitorService(context)); 551 } catch (Throwable e) { 552 reportWtf("starting DeviceStorageMonitor service", e); 553 } 554 555 try { 556 Slog.i(TAG, "Location Manager"); 557 location = new LocationManagerService(context); 558 ServiceManager.addService(Context.LOCATION_SERVICE, location); 559 } catch (Throwable e) { 560 reportWtf("starting Location Manager", e); 561 } 562 563 try { 564 Slog.i(TAG, "Country Detector"); 565 countryDetector = new CountryDetectorService(context); 566 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 567 } catch (Throwable e) { 568 reportWtf("starting Country Detector", e); 569 } 570 571 try { 572 Slog.i(TAG, "Search Service"); 573 ServiceManager.addService(Context.SEARCH_SERVICE, 574 new SearchManagerService(context)); 575 } catch (Throwable e) { 576 reportWtf("starting Search Service", e); 577 } 578 579 try { 580 Slog.i(TAG, "DropBox Service"); 581 ServiceManager.addService(Context.DROPBOX_SERVICE, 582 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 583 } catch (Throwable e) { 584 reportWtf("starting DropBoxManagerService", e); 585 } 586 587 if (context.getResources().getBoolean( 588 com.android.internal.R.bool.config_enableWallpaperService)) { 589 try { 590 Slog.i(TAG, "Wallpaper Service"); 591 if (!headless) { 592 wallpaper = new WallpaperManagerService(context); 593 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 594 } 595 } catch (Throwable e) { 596 reportWtf("starting Wallpaper Service", e); 597 } 598 } 599 600 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 601 try { 602 Slog.i(TAG, "Audio Service"); 603 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 604 } catch (Throwable e) { 605 reportWtf("starting Audio Service", e); 606 } 607 } 608 609 try { 610 Slog.i(TAG, "Dock Observer"); 611 // Listen for dock station changes 612 dock = new DockObserver(context); 613 } catch (Throwable e) { 614 reportWtf("starting DockObserver", e); 615 } 616 617 try { 618 Slog.i(TAG, "Wired Accessory Observer"); 619 // Listen for wired headset changes 620 new WiredAccessoryObserver(context); 621 } catch (Throwable e) { 622 reportWtf("starting WiredAccessoryObserver", e); 623 } 624 625 try { 626 Slog.i(TAG, "USB Service"); 627 // Manage USB host and device support 628 usb = new UsbService(context); 629 ServiceManager.addService(Context.USB_SERVICE, usb); 630 } catch (Throwable e) { 631 reportWtf("starting UsbService", e); 632 } 633 634 try { 635 Slog.i(TAG, "Serial Service"); 636 // Serial port support 637 serial = new SerialService(context); 638 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 639 } catch (Throwable e) { 640 Slog.e(TAG, "Failure starting SerialService", e); 641 } 642 643 try { 644 Slog.i(TAG, "Twilight Service"); 645 twilight = new TwilightService(context); 646 } catch (Throwable e) { 647 reportWtf("starting TwilightService", e); 648 } 649 650 try { 651 Slog.i(TAG, "UI Mode Manager Service"); 652 // Listen for UI mode changes 653 uiMode = new UiModeManagerService(context, twilight); 654 } catch (Throwable e) { 655 reportWtf("starting UiModeManagerService", e); 656 } 657 658 try { 659 Slog.i(TAG, "Backup Service"); 660 ServiceManager.addService(Context.BACKUP_SERVICE, 661 new BackupManagerService(context)); 662 } catch (Throwable e) { 663 Slog.e(TAG, "Failure starting Backup Service", e); 664 } 665 666 try { 667 Slog.i(TAG, "AppWidget Service"); 668 appWidget = new AppWidgetService(context); 669 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 670 } catch (Throwable e) { 671 reportWtf("starting AppWidget Service", e); 672 } 673 674 try { 675 Slog.i(TAG, "Recognition Service"); 676 recognition = new RecognitionManagerService(context); 677 } catch (Throwable e) { 678 reportWtf("starting Recognition Service", e); 679 } 680 681 try { 682 Slog.i(TAG, "DiskStats Service"); 683 ServiceManager.addService("diskstats", new DiskStatsService(context)); 684 } catch (Throwable e) { 685 reportWtf("starting DiskStats Service", e); 686 } 687 688 try { 689 // need to add this service even if SamplingProfilerIntegration.isEnabled() 690 // is false, because it is this service that detects system property change and 691 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 692 // there is little overhead for running this service. 693 Slog.i(TAG, "SamplingProfiler Service"); 694 ServiceManager.addService("samplingprofiler", 695 new SamplingProfilerService(context)); 696 } catch (Throwable e) { 697 reportWtf("starting SamplingProfiler Service", e); 698 } 699 700 try { 701 Slog.i(TAG, "NetworkTimeUpdateService"); 702 networkTimeUpdater = new NetworkTimeUpdateService(context); 703 } catch (Throwable e) { 704 reportWtf("starting NetworkTimeUpdate service", e); 705 } 706 707 try { 708 Slog.i(TAG, "CommonTimeManagementService"); 709 commonTimeMgmtService = new CommonTimeManagementService(context); 710 ServiceManager.addService("commontime_management", commonTimeMgmtService); 711 } catch (Throwable e) { 712 reportWtf("starting CommonTimeManagementService service", e); 713 } 714 715 try { 716 Slog.i(TAG, "CertBlacklister"); 717 CertBlacklister blacklister = new CertBlacklister(context); 718 } catch (Throwable e) { 719 reportWtf("starting CertBlacklister", e); 720 } 721 722 if (context.getResources().getBoolean( 723 com.android.internal.R.bool.config_enableDreams)) { 724 try { 725 Slog.i(TAG, "Dreams Service"); 726 // Dreams (interactive idle-time views, a/k/a screen savers) 727 dreamy = new DreamManagerService(context); 728 ServiceManager.addService("dreams", dreamy); 729 } catch (Throwable e) { 730 reportWtf("starting DreamManagerService", e); 731 } 732 } 733 } 734 735 // Before things start rolling, be sure we have decided whether 736 // we are in safe mode. 737 final boolean safeMode = wm.detectSafeMode(); 738 if (safeMode) { 739 ActivityManagerService.self().enterSafeMode(); 740 // Post the safe mode state in the Zygote class 741 Zygote.systemInSafeMode = true; 742 // Disable the JIT for the system_server process 743 VMRuntime.getRuntime().disableJitCompilation(); 744 } else { 745 // Enable the JIT for the system_server process 746 VMRuntime.getRuntime().startJitCompilation(); 747 } 748 749 // It is now time to start up the app processes... 750 751 try { 752 vibrator.systemReady(); 753 } catch (Throwable e) { 754 reportWtf("making Vibrator Service ready", e); 755 } 756 757 if (devicePolicy != null) { 758 try { 759 devicePolicy.systemReady(); 760 } catch (Throwable e) { 761 reportWtf("making Device Policy Service ready", e); 762 } 763 } 764 765 if (notification != null) { 766 try { 767 notification.systemReady(); 768 } catch (Throwable e) { 769 reportWtf("making Notification Service ready", e); 770 } 771 } 772 773 try { 774 lockSettings.systemReady(); 775 } catch (Throwable e) { 776 reportWtf("making Lock Settings Service ready", e); 777 } 778 779 try { 780 wm.systemReady(); 781 } catch (Throwable e) { 782 reportWtf("making Window Manager Service ready", e); 783 } 784 785 if (safeMode) { 786 ActivityManagerService.self().showSafeModeOverlay(); 787 } 788 789 // Update the configuration for this context by hand, because we're going 790 // to start using it before the config change done in wm.systemReady() will 791 // propagate to it. 792 Configuration config = wm.computeNewConfiguration(); 793 DisplayMetrics metrics = new DisplayMetrics(); 794 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 795 w.getDefaultDisplay().getMetrics(metrics); 796 context.getResources().updateConfiguration(config, metrics); 797 798 try { 799 power.systemReady(twilight); 800 } catch (Throwable e) { 801 reportWtf("making Power Manager Service ready", e); 802 } 803 804 try { 805 pm.systemReady(); 806 } catch (Throwable e) { 807 reportWtf("making Package Manager Service ready", e); 808 } 809 810 try { 811 display.systemReady(safeMode, onlyCore); 812 } catch (Throwable e) { 813 reportWtf("making Display Manager Service ready", e); 814 } 815 816 // These are needed to propagate to the runnable below. 817 final Context contextF = context; 818 final BatteryService batteryF = battery; 819 final NetworkManagementService networkManagementF = networkManagement; 820 final NetworkStatsService networkStatsF = networkStats; 821 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 822 final ConnectivityService connectivityF = connectivity; 823 final DockObserver dockF = dock; 824 final UsbService usbF = usb; 825 final ThrottleService throttleF = throttle; 826 final TwilightService twilightF = twilight; 827 final UiModeManagerService uiModeF = uiMode; 828 final AppWidgetService appWidgetF = appWidget; 829 final WallpaperManagerService wallpaperF = wallpaper; 830 final InputMethodManagerService immF = imm; 831 final RecognitionManagerService recognitionF = recognition; 832 final LocationManagerService locationF = location; 833 final CountryDetectorService countryDetectorF = countryDetector; 834 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 835 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 836 final TextServicesManagerService textServiceManagerServiceF = tsms; 837 final StatusBarManagerService statusBarF = statusBar; 838 final DreamManagerService dreamyF = dreamy; 839 final InputManagerService inputManagerF = inputManager; 840 841 // We now tell the activity manager it is okay to run third party 842 // code. It will call back into us once it has gotten to the state 843 // where third party code can really run (but before it has actually 844 // started launching the initial applications), for us to complete our 845 // initialization. 846 ActivityManagerService.self().systemReady(new Runnable() { 847 public void run() { 848 Slog.i(TAG, "Making services ready"); 849 850 if (!headless) startSystemUi(contextF); 851 try { 852 if (batteryF != null) batteryF.systemReady(); 853 } catch (Throwable e) { 854 reportWtf("making Battery Service ready", e); 855 } 856 try { 857 if (networkManagementF != null) networkManagementF.systemReady(); 858 } catch (Throwable e) { 859 reportWtf("making Network Managment Service ready", e); 860 } 861 try { 862 if (networkStatsF != null) networkStatsF.systemReady(); 863 } catch (Throwable e) { 864 reportWtf("making Network Stats Service ready", e); 865 } 866 try { 867 if (networkPolicyF != null) networkPolicyF.systemReady(); 868 } catch (Throwable e) { 869 reportWtf("making Network Policy Service ready", e); 870 } 871 try { 872 if (connectivityF != null) connectivityF.systemReady(); 873 } catch (Throwable e) { 874 reportWtf("making Connectivity Service ready", e); 875 } 876 try { 877 if (dockF != null) dockF.systemReady(); 878 } catch (Throwable e) { 879 reportWtf("making Dock Service ready", e); 880 } 881 try { 882 if (usbF != null) usbF.systemReady(); 883 } catch (Throwable e) { 884 reportWtf("making USB Service ready", e); 885 } 886 try { 887 if (twilightF != null) twilightF.systemReady(); 888 } catch (Throwable e) { 889 reportWtf("makin Twilight Service ready", e); 890 } 891 try { 892 if (uiModeF != null) uiModeF.systemReady(); 893 } catch (Throwable e) { 894 reportWtf("making UI Mode Service ready", e); 895 } 896 try { 897 if (recognitionF != null) recognitionF.systemReady(); 898 } catch (Throwable e) { 899 reportWtf("making Recognition Service ready", e); 900 } 901 Watchdog.getInstance().start(); 902 903 // It is now okay to let the various system services start their 904 // third party code... 905 906 try { 907 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 908 } catch (Throwable e) { 909 reportWtf("making App Widget Service ready", e); 910 } 911 try { 912 if (wallpaperF != null) wallpaperF.systemReady(); 913 } catch (Throwable e) { 914 reportWtf("making Wallpaper Service ready", e); 915 } 916 try { 917 if (immF != null) immF.systemReady(statusBarF); 918 } catch (Throwable e) { 919 reportWtf("making Input Method Service ready", e); 920 } 921 try { 922 if (locationF != null) locationF.systemReady(); 923 } catch (Throwable e) { 924 reportWtf("making Location Service ready", e); 925 } 926 try { 927 if (countryDetectorF != null) countryDetectorF.systemReady(); 928 } catch (Throwable e) { 929 reportWtf("making Country Detector Service ready", e); 930 } 931 try { 932 if (throttleF != null) throttleF.systemReady(); 933 } catch (Throwable e) { 934 reportWtf("making Throttle Service ready", e); 935 } 936 try { 937 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 938 } catch (Throwable e) { 939 reportWtf("making Network Time Service ready", e); 940 } 941 try { 942 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 943 } catch (Throwable e) { 944 reportWtf("making Common time management service ready", e); 945 } 946 try { 947 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 948 } catch (Throwable e) { 949 reportWtf("making Text Services Manager Service ready", e); 950 } 951 try { 952 if (dreamyF != null) dreamyF.systemReady(); 953 } catch (Throwable e) { 954 reportWtf("making DreamManagerService ready", e); 955 } 956 try { 957 // TODO(BT) Pass parameter to input manager 958 if (inputManagerF != null) inputManagerF.systemReady(); 959 } catch (Throwable e) { 960 reportWtf("making InputManagerService ready", e); 961 } 962 } 963 }); 964 965 // For debug builds, log event loop stalls to dropbox for analysis. 966 if (StrictMode.conditionallyEnableDebugLogging()) { 967 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 968 } 969 970 Looper.loop(); 971 Slog.d(TAG, "System ServerThread is exiting!"); 972 } 973 974 static final void startSystemUi(Context context) { 975 Intent intent = new Intent(); 976 intent.setComponent(new ComponentName("com.android.systemui", 977 "com.android.systemui.SystemUIService")); 978 Slog.d(TAG, "Starting service: " + intent); 979 context.startService(intent); 980 } 981} 982 983public class SystemServer { 984 private static final String TAG = "SystemServer"; 985 986 public static final int FACTORY_TEST_OFF = 0; 987 public static final int FACTORY_TEST_LOW_LEVEL = 1; 988 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 989 990 static Timer timer; 991 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 992 993 // The earliest supported time. We pick one day into 1970, to 994 // give any timezone code room without going into negative time. 995 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 996 997 /** 998 * This method is called from Zygote to initialize the system. This will cause the native 999 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1000 * up into init2() to start the Android services. 1001 */ 1002 native public static void init1(String[] args); 1003 1004 public static void main(String[] args) { 1005 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1006 // If a device's clock is before 1970 (before 0), a lot of 1007 // APIs crash dealing with negative numbers, notably 1008 // java.io.File#setLastModified, so instead we fake it and 1009 // hope that time from cell towers or NTP fixes it 1010 // shortly. 1011 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1012 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1013 } 1014 1015 if (SamplingProfilerIntegration.isEnabled()) { 1016 SamplingProfilerIntegration.start(); 1017 timer = new Timer(); 1018 timer.schedule(new TimerTask() { 1019 @Override 1020 public void run() { 1021 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1022 } 1023 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1024 } 1025 1026 // Mmmmmm... more memory! 1027 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1028 1029 // The system server has to run all of the time, so it needs to be 1030 // as efficient as possible with its memory usage. 1031 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1032 1033 System.loadLibrary("android_servers"); 1034 init1(args); 1035 } 1036 1037 public static final void init2() { 1038 Slog.i(TAG, "Entered the Android system server!"); 1039 Thread thr = new ServerThread(); 1040 thr.setName("android.server.ServerThread"); 1041 thr.start(); 1042 } 1043} 1044