SystemServer.java revision f4f6b4c8b0fcf77d46567f13b409255948fe107b
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.server.search.SearchManagerService; 41import android.util.DisplayMetrics; 42import android.util.EventLog; 43import android.util.Log; 44import android.util.Slog; 45import android.view.WindowManager; 46 47import com.android.internal.os.BinderInternal; 48import com.android.internal.os.SamplingProfilerIntegration; 49import com.android.internal.widget.LockSettingsService; 50import com.android.server.accessibility.AccessibilityManagerService; 51import com.android.server.am.ActivityManagerService; 52import com.android.server.am.BatteryStatsService; 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.Installer; 58import com.android.server.pm.PackageManagerService; 59import com.android.server.pm.UserManagerService; 60import com.android.server.power.PowerManagerService; 61import com.android.server.power.ShutdownThread; 62import com.android.server.usb.UsbService; 63import com.android.server.wm.WindowManagerService; 64 65import dalvik.system.VMRuntime; 66import dalvik.system.Zygote; 67 68import java.io.File; 69import java.util.Timer; 70import java.util.TimerTask; 71 72class ServerThread extends Thread { 73 private static final String TAG = "SystemServer"; 74 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 75 private static final String ENCRYPTED_STATE = "1"; 76 77 ContentResolver mContentResolver; 78 79 void reportWtf(String msg, Throwable e) { 80 Slog.w(TAG, "***********************************************"); 81 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 82 } 83 84 @Override 85 public void run() { 86 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 87 SystemClock.uptimeMillis()); 88 89 Looper.prepareMainLooper(); 90 91 android.os.Process.setThreadPriority( 92 android.os.Process.THREAD_PRIORITY_FOREGROUND); 93 94 BinderInternal.disableBackgroundScheduling(true); 95 android.os.Process.setCanSelfBackground(false); 96 97 // Check whether we failed to shut down last time we tried. 98 { 99 final String shutdownAction = SystemProperties.get( 100 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 101 if (shutdownAction != null && shutdownAction.length() > 0) { 102 boolean reboot = (shutdownAction.charAt(0) == '1'); 103 104 final String reason; 105 if (shutdownAction.length() > 1) { 106 reason = shutdownAction.substring(1, shutdownAction.length()); 107 } else { 108 reason = null; 109 } 110 111 ShutdownThread.rebootOrShutdown(reboot, reason); 112 } 113 } 114 115 String factoryTestStr = SystemProperties.get("ro.factorytest"); 116 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 117 : Integer.parseInt(factoryTestStr); 118 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 119 120 Installer installer = null; 121 AccountManagerService accountManager = null; 122 ContentService contentService = null; 123 LightsService lights = null; 124 PowerManagerService power = null; 125 DisplayManagerService display = null; 126 BatteryService battery = null; 127 VibratorService vibrator = null; 128 AlarmManagerService alarm = null; 129 MountService mountService = 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 // Wait for installd to finished starting up so that it has a chance to 200 // create critical directories such as /data/user with the appropriate 201 // permissions. We need this to complete before we initialize other services. 202 Slog.i(TAG, "Waiting for installd to be ready."); 203 installer = new Installer(); 204 installer.ping(); 205 206 Slog.i(TAG, "Entropy Mixer"); 207 ServiceManager.addService("entropy", new EntropyMixer()); 208 209 Slog.i(TAG, "Power Manager"); 210 power = new PowerManagerService(); 211 ServiceManager.addService(Context.POWER_SERVICE, power); 212 213 Slog.i(TAG, "Activity Manager"); 214 context = ActivityManagerService.main(factoryTest); 215 216 Slog.i(TAG, "Display Manager"); 217 display = new DisplayManagerService(context, wmHandler, uiHandler); 218 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 219 220 Slog.i(TAG, "Telephony Registry"); 221 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 222 223 Slog.i(TAG, "Scheduling Policy"); 224 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 225 new SchedulingPolicyService()); 226 227 AttributeCache.init(context); 228 229 if (!display.waitForDefaultDisplay()) { 230 reportWtf("Timeout waiting for default display to be initialized.", 231 new Throwable()); 232 } 233 234 Slog.i(TAG, "Package Manager"); 235 // Only run "core" apps if we're encrypting the device. 236 String cryptState = SystemProperties.get("vold.decrypt"); 237 if (ENCRYPTING_STATE.equals(cryptState)) { 238 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 239 onlyCore = true; 240 } else if (ENCRYPTED_STATE.equals(cryptState)) { 241 Slog.w(TAG, "Device encrypted - only parsing core apps"); 242 onlyCore = true; 243 } 244 245 pm = PackageManagerService.main(context, installer, 246 factoryTest != SystemServer.FACTORY_TEST_OFF, 247 onlyCore); 248 boolean firstBoot = false; 249 try { 250 firstBoot = pm.isFirstBoot(); 251 } catch (RemoteException e) { 252 } 253 254 ActivityManagerService.setSystemProcess(); 255 256 Slog.i(TAG, "User Service"); 257 ServiceManager.addService(Context.USER_SERVICE, 258 UserManagerService.getInstance()); 259 260 261 mContentResolver = context.getContentResolver(); 262 263 // The AccountManager must come before the ContentService 264 try { 265 Slog.i(TAG, "Account Manager"); 266 accountManager = new AccountManagerService(context); 267 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 268 } catch (Throwable e) { 269 Slog.e(TAG, "Failure starting Account Manager", e); 270 } 271 272 Slog.i(TAG, "Content Manager"); 273 contentService = ContentService.main(context, 274 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 275 276 Slog.i(TAG, "System Content Providers"); 277 ActivityManagerService.installSystemProviders(); 278 279 Slog.i(TAG, "Lights Service"); 280 lights = new LightsService(context); 281 282 Slog.i(TAG, "Battery Service"); 283 battery = new BatteryService(context, lights); 284 ServiceManager.addService("battery", battery); 285 286 Slog.i(TAG, "Vibrator Service"); 287 vibrator = new VibratorService(context); 288 ServiceManager.addService("vibrator", vibrator); 289 290 // only initialize the power service after we have started the 291 // lights service, content providers and the battery service. 292 power.init(context, lights, ActivityManagerService.self(), battery, 293 BatteryStatsService.getService(), display); 294 295 Slog.i(TAG, "Alarm Manager"); 296 alarm = new AlarmManagerService(context); 297 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 298 299 Slog.i(TAG, "Init Watchdog"); 300 Watchdog.getInstance().init(context, battery, power, alarm, 301 ActivityManagerService.self()); 302 303 Slog.i(TAG, "Window Manager"); 304 wm = WindowManagerService.main(context, power, display, 305 uiHandler, wmHandler, 306 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 307 !firstBoot, onlyCore); 308 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 309 inputManager = wm.getInputManagerService(); 310 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 311 312 ActivityManagerService.self().setWindowManager(wm); 313 display.setWindowManager(wm); 314 display.setInputManager(inputManager); 315 316 // Skip Bluetooth if we have an emulator kernel 317 // TODO: Use a more reliable check to see if this product should 318 // support Bluetooth - see bug 988521 319 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 320 Slog.i(TAG, "No Bluetooh Service (emulator)"); 321 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 322 Slog.i(TAG, "No Bluetooth Service (factory test)"); 323 } else { 324 Slog.i(TAG, "Bluetooth Manager Service"); 325 bluetooth = new BluetoothManagerService(context); 326 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 327 } 328 329 } catch (RuntimeException e) { 330 Slog.e("System", "******************************************"); 331 Slog.e("System", "************ Failure starting core service", e); 332 } 333 334 DevicePolicyManagerService devicePolicy = null; 335 StatusBarManagerService statusBar = null; 336 InputMethodManagerService imm = null; 337 AppWidgetService appWidget = null; 338 NotificationManagerService notification = null; 339 WallpaperManagerService wallpaper = null; 340 LocationManagerService location = null; 341 CountryDetectorService countryDetector = null; 342 TextServicesManagerService tsms = null; 343 LockSettingsService lockSettings = null; 344 DreamManagerService dreamy = null; 345 346 // Bring up services needed for UI. 347 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 348 try { 349 Slog.i(TAG, "Input Method Service"); 350 imm = new InputMethodManagerService(context, wm); 351 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 352 } catch (Throwable e) { 353 reportWtf("starting Input Manager Service", e); 354 } 355 356 try { 357 Slog.i(TAG, "Accessibility Manager"); 358 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 359 new AccessibilityManagerService(context)); 360 } catch (Throwable e) { 361 reportWtf("starting Accessibility Manager", e); 362 } 363 } 364 365 try { 366 wm.displayReady(); 367 } catch (Throwable e) { 368 reportWtf("making display ready", e); 369 } 370 371 try { 372 pm.performBootDexOpt(); 373 } catch (Throwable e) { 374 reportWtf("performing boot dexopt", e); 375 } 376 377 try { 378 ActivityManagerNative.getDefault().showBootMessage( 379 context.getResources().getText( 380 com.android.internal.R.string.android_upgrading_starting_apps), 381 false); 382 } catch (RemoteException e) { 383 } 384 385 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 386 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 387 try { 388 /* 389 * NotificationManagerService is dependant on MountService, 390 * (for media / usb notifications) so we must start MountService first. 391 */ 392 Slog.i(TAG, "Mount Service"); 393 mountService = new MountService(context); 394 ServiceManager.addService("mount", mountService); 395 } catch (Throwable e) { 396 reportWtf("starting Mount Service", e); 397 } 398 } 399 400 try { 401 Slog.i(TAG, "LockSettingsService"); 402 lockSettings = new LockSettingsService(context); 403 ServiceManager.addService("lock_settings", lockSettings); 404 } catch (Throwable e) { 405 reportWtf("starting LockSettingsService service", e); 406 } 407 408 try { 409 Slog.i(TAG, "Device Policy"); 410 devicePolicy = new DevicePolicyManagerService(context); 411 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 412 } catch (Throwable e) { 413 reportWtf("starting DevicePolicyService", e); 414 } 415 416 try { 417 Slog.i(TAG, "Status Bar"); 418 statusBar = new StatusBarManagerService(context, wm); 419 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 420 } catch (Throwable e) { 421 reportWtf("starting StatusBarManagerService", e); 422 } 423 424 try { 425 Slog.i(TAG, "Clipboard Service"); 426 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 427 new ClipboardService(context)); 428 } catch (Throwable e) { 429 reportWtf("starting Clipboard Service", e); 430 } 431 432 try { 433 Slog.i(TAG, "NetworkManagement Service"); 434 networkManagement = NetworkManagementService.create(context); 435 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 436 } catch (Throwable e) { 437 reportWtf("starting NetworkManagement Service", e); 438 } 439 440 try { 441 Slog.i(TAG, "Text Service Manager Service"); 442 tsms = new TextServicesManagerService(context); 443 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 444 } catch (Throwable e) { 445 reportWtf("starting Text Service Manager Service", e); 446 } 447 448 try { 449 Slog.i(TAG, "NetworkStats Service"); 450 networkStats = new NetworkStatsService(context, networkManagement, alarm); 451 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 452 } catch (Throwable e) { 453 reportWtf("starting NetworkStats Service", e); 454 } 455 456 try { 457 Slog.i(TAG, "NetworkPolicy Service"); 458 networkPolicy = new NetworkPolicyManagerService( 459 context, ActivityManagerService.self(), power, 460 networkStats, networkManagement); 461 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 462 } catch (Throwable e) { 463 reportWtf("starting NetworkPolicy Service", e); 464 } 465 466 try { 467 Slog.i(TAG, "Wi-Fi P2pService"); 468 wifiP2p = new WifiP2pService(context); 469 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 470 } catch (Throwable e) { 471 reportWtf("starting Wi-Fi P2pService", e); 472 } 473 474 try { 475 Slog.i(TAG, "Wi-Fi Service"); 476 wifi = new WifiService(context); 477 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 478 } catch (Throwable e) { 479 reportWtf("starting Wi-Fi Service", e); 480 } 481 482 try { 483 Slog.i(TAG, "Connectivity Service"); 484 connectivity = new ConnectivityService( 485 context, networkManagement, networkStats, networkPolicy); 486 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 487 networkStats.bindConnectivityManager(connectivity); 488 networkPolicy.bindConnectivityManager(connectivity); 489 wifi.checkAndStartWifi(); 490 wifiP2p.connectivityServiceReady(); 491 } catch (Throwable e) { 492 reportWtf("starting Connectivity Service", e); 493 } 494 495 try { 496 Slog.i(TAG, "Network Service Discovery Service"); 497 serviceDiscovery = NsdService.create(context); 498 ServiceManager.addService( 499 Context.NSD_SERVICE, serviceDiscovery); 500 } catch (Throwable e) { 501 reportWtf("starting Service Discovery Service", e); 502 } 503 504 try { 505 Slog.i(TAG, "Throttle Service"); 506 throttle = new ThrottleService(context); 507 ServiceManager.addService( 508 Context.THROTTLE_SERVICE, throttle); 509 } catch (Throwable e) { 510 reportWtf("starting ThrottleService", e); 511 } 512 513 try { 514 Slog.i(TAG, "UpdateLock Service"); 515 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 516 new UpdateLockService(context)); 517 } catch (Throwable e) { 518 reportWtf("starting UpdateLockService", e); 519 } 520 521 /* 522 * MountService has a few dependencies: Notification Manager and 523 * AppWidget Provider. Make sure MountService is completely started 524 * first before continuing. 525 */ 526 if (mountService != null) { 527 mountService.waitForAsecScan(); 528 } 529 530 try { 531 if (accountManager != null) 532 accountManager.systemReady(); 533 } catch (Throwable e) { 534 reportWtf("making Account Manager Service ready", e); 535 } 536 537 try { 538 if (contentService != null) 539 contentService.systemReady(); 540 } catch (Throwable e) { 541 reportWtf("making Content Service ready", e); 542 } 543 544 try { 545 Slog.i(TAG, "Notification Manager"); 546 notification = new NotificationManagerService(context, statusBar, lights); 547 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 548 networkPolicy.bindNotificationManager(notification); 549 } catch (Throwable e) { 550 reportWtf("starting Notification Manager", e); 551 } 552 553 try { 554 Slog.i(TAG, "Device Storage Monitor"); 555 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 556 new DeviceStorageMonitorService(context)); 557 } catch (Throwable e) { 558 reportWtf("starting DeviceStorageMonitor service", e); 559 } 560 561 try { 562 Slog.i(TAG, "Location Manager"); 563 location = new LocationManagerService(context); 564 ServiceManager.addService(Context.LOCATION_SERVICE, location); 565 } catch (Throwable e) { 566 reportWtf("starting Location Manager", e); 567 } 568 569 try { 570 Slog.i(TAG, "Country Detector"); 571 countryDetector = new CountryDetectorService(context); 572 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 573 } catch (Throwable e) { 574 reportWtf("starting Country Detector", e); 575 } 576 577 try { 578 Slog.i(TAG, "Search Service"); 579 ServiceManager.addService(Context.SEARCH_SERVICE, 580 new SearchManagerService(context)); 581 } catch (Throwable e) { 582 reportWtf("starting Search Service", e); 583 } 584 585 try { 586 Slog.i(TAG, "DropBox Service"); 587 ServiceManager.addService(Context.DROPBOX_SERVICE, 588 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 589 } catch (Throwable e) { 590 reportWtf("starting DropBoxManagerService", e); 591 } 592 593 if (context.getResources().getBoolean( 594 com.android.internal.R.bool.config_enableWallpaperService)) { 595 try { 596 Slog.i(TAG, "Wallpaper Service"); 597 if (!headless) { 598 wallpaper = new WallpaperManagerService(context); 599 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 600 } 601 } catch (Throwable e) { 602 reportWtf("starting Wallpaper Service", e); 603 } 604 } 605 606 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 607 try { 608 Slog.i(TAG, "Audio Service"); 609 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 610 } catch (Throwable e) { 611 reportWtf("starting Audio Service", e); 612 } 613 } 614 615 try { 616 Slog.i(TAG, "Dock Observer"); 617 // Listen for dock station changes 618 dock = new DockObserver(context); 619 } catch (Throwable e) { 620 reportWtf("starting DockObserver", e); 621 } 622 623 try { 624 Slog.i(TAG, "Wired Accessory Observer"); 625 // Listen for wired headset changes 626 new WiredAccessoryObserver(context); 627 } catch (Throwable e) { 628 reportWtf("starting WiredAccessoryObserver", e); 629 } 630 631 try { 632 Slog.i(TAG, "USB Service"); 633 // Manage USB host and device support 634 usb = new UsbService(context); 635 ServiceManager.addService(Context.USB_SERVICE, usb); 636 } catch (Throwable e) { 637 reportWtf("starting UsbService", e); 638 } 639 640 try { 641 Slog.i(TAG, "Serial Service"); 642 // Serial port support 643 serial = new SerialService(context); 644 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 645 } catch (Throwable e) { 646 Slog.e(TAG, "Failure starting SerialService", e); 647 } 648 649 try { 650 Slog.i(TAG, "Twilight Service"); 651 twilight = new TwilightService(context); 652 } catch (Throwable e) { 653 reportWtf("starting TwilightService", e); 654 } 655 656 try { 657 Slog.i(TAG, "UI Mode Manager Service"); 658 // Listen for UI mode changes 659 uiMode = new UiModeManagerService(context, twilight); 660 } catch (Throwable e) { 661 reportWtf("starting UiModeManagerService", e); 662 } 663 664 try { 665 Slog.i(TAG, "Backup Service"); 666 ServiceManager.addService(Context.BACKUP_SERVICE, 667 new BackupManagerService(context)); 668 } catch (Throwable e) { 669 Slog.e(TAG, "Failure starting Backup Service", e); 670 } 671 672 try { 673 Slog.i(TAG, "AppWidget Service"); 674 appWidget = new AppWidgetService(context); 675 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 676 } catch (Throwable e) { 677 reportWtf("starting AppWidget Service", e); 678 } 679 680 try { 681 Slog.i(TAG, "Recognition Service"); 682 recognition = new RecognitionManagerService(context); 683 } catch (Throwable e) { 684 reportWtf("starting Recognition Service", e); 685 } 686 687 try { 688 Slog.i(TAG, "DiskStats Service"); 689 ServiceManager.addService("diskstats", new DiskStatsService(context)); 690 } catch (Throwable e) { 691 reportWtf("starting DiskStats Service", e); 692 } 693 694 try { 695 // need to add this service even if SamplingProfilerIntegration.isEnabled() 696 // is false, because it is this service that detects system property change and 697 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 698 // there is little overhead for running this service. 699 Slog.i(TAG, "SamplingProfiler Service"); 700 ServiceManager.addService("samplingprofiler", 701 new SamplingProfilerService(context)); 702 } catch (Throwable e) { 703 reportWtf("starting SamplingProfiler Service", e); 704 } 705 706 try { 707 Slog.i(TAG, "NetworkTimeUpdateService"); 708 networkTimeUpdater = new NetworkTimeUpdateService(context); 709 } catch (Throwable e) { 710 reportWtf("starting NetworkTimeUpdate service", e); 711 } 712 713 try { 714 Slog.i(TAG, "CommonTimeManagementService"); 715 commonTimeMgmtService = new CommonTimeManagementService(context); 716 ServiceManager.addService("commontime_management", commonTimeMgmtService); 717 } catch (Throwable e) { 718 reportWtf("starting CommonTimeManagementService service", e); 719 } 720 721 try { 722 Slog.i(TAG, "CertBlacklister"); 723 CertBlacklister blacklister = new CertBlacklister(context); 724 } catch (Throwable e) { 725 reportWtf("starting CertBlacklister", e); 726 } 727 728 if (context.getResources().getBoolean( 729 com.android.internal.R.bool.config_enableDreams)) { 730 try { 731 Slog.i(TAG, "Dreams Service"); 732 // Dreams (interactive idle-time views, a/k/a screen savers) 733 dreamy = new DreamManagerService(context); 734 ServiceManager.addService("dreams", dreamy); 735 } catch (Throwable e) { 736 reportWtf("starting DreamManagerService", e); 737 } 738 } 739 } 740 741 // Before things start rolling, be sure we have decided whether 742 // we are in safe mode. 743 final boolean safeMode = wm.detectSafeMode(); 744 if (safeMode) { 745 ActivityManagerService.self().enterSafeMode(); 746 // Post the safe mode state in the Zygote class 747 Zygote.systemInSafeMode = true; 748 // Disable the JIT for the system_server process 749 VMRuntime.getRuntime().disableJitCompilation(); 750 } else { 751 // Enable the JIT for the system_server process 752 VMRuntime.getRuntime().startJitCompilation(); 753 } 754 755 // It is now time to start up the app processes... 756 757 try { 758 vibrator.systemReady(); 759 } catch (Throwable e) { 760 reportWtf("making Vibrator Service ready", e); 761 } 762 763 if (devicePolicy != null) { 764 try { 765 devicePolicy.systemReady(); 766 } catch (Throwable e) { 767 reportWtf("making Device Policy Service ready", e); 768 } 769 } 770 771 if (notification != null) { 772 try { 773 notification.systemReady(); 774 } catch (Throwable e) { 775 reportWtf("making Notification Service ready", e); 776 } 777 } 778 779 try { 780 lockSettings.systemReady(); 781 } catch (Throwable e) { 782 reportWtf("making Lock Settings Service ready", e); 783 } 784 785 try { 786 wm.systemReady(); 787 } catch (Throwable e) { 788 reportWtf("making Window Manager Service ready", e); 789 } 790 791 if (safeMode) { 792 ActivityManagerService.self().showSafeModeOverlay(); 793 } 794 795 // Update the configuration for this context by hand, because we're going 796 // to start using it before the config change done in wm.systemReady() will 797 // propagate to it. 798 Configuration config = wm.computeNewConfiguration(); 799 DisplayMetrics metrics = new DisplayMetrics(); 800 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 801 w.getDefaultDisplay().getMetrics(metrics); 802 context.getResources().updateConfiguration(config, metrics); 803 804 try { 805 power.systemReady(twilight); 806 } catch (Throwable e) { 807 reportWtf("making Power Manager Service ready", e); 808 } 809 810 try { 811 pm.systemReady(); 812 } catch (Throwable e) { 813 reportWtf("making Package Manager Service ready", e); 814 } 815 816 try { 817 display.systemReady(safeMode, onlyCore); 818 } catch (Throwable e) { 819 reportWtf("making Display Manager Service ready", e); 820 } 821 822 // These are needed to propagate to the runnable below. 823 final Context contextF = context; 824 final MountService mountServiceF = mountService; 825 final BatteryService batteryF = battery; 826 final NetworkManagementService networkManagementF = networkManagement; 827 final NetworkStatsService networkStatsF = networkStats; 828 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 829 final ConnectivityService connectivityF = connectivity; 830 final DockObserver dockF = dock; 831 final UsbService usbF = usb; 832 final ThrottleService throttleF = throttle; 833 final TwilightService twilightF = twilight; 834 final UiModeManagerService uiModeF = uiMode; 835 final AppWidgetService appWidgetF = appWidget; 836 final WallpaperManagerService wallpaperF = wallpaper; 837 final InputMethodManagerService immF = imm; 838 final RecognitionManagerService recognitionF = recognition; 839 final LocationManagerService locationF = location; 840 final CountryDetectorService countryDetectorF = countryDetector; 841 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 842 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 843 final TextServicesManagerService textServiceManagerServiceF = tsms; 844 final StatusBarManagerService statusBarF = statusBar; 845 final DreamManagerService dreamyF = dreamy; 846 final InputManagerService inputManagerF = inputManager; 847 848 // We now tell the activity manager it is okay to run third party 849 // code. It will call back into us once it has gotten to the state 850 // where third party code can really run (but before it has actually 851 // started launching the initial applications), for us to complete our 852 // initialization. 853 ActivityManagerService.self().systemReady(new Runnable() { 854 public void run() { 855 Slog.i(TAG, "Making services ready"); 856 857 if (!headless) startSystemUi(contextF); 858 try { 859 if (mountServiceF != null) mountServiceF.systemReady(); 860 } catch (Throwable e) { 861 reportWtf("making Mount Service ready", e); 862 } 863 try { 864 if (batteryF != null) batteryF.systemReady(); 865 } catch (Throwable e) { 866 reportWtf("making Battery Service ready", e); 867 } 868 try { 869 if (networkManagementF != null) networkManagementF.systemReady(); 870 } catch (Throwable e) { 871 reportWtf("making Network Managment Service ready", e); 872 } 873 try { 874 if (networkStatsF != null) networkStatsF.systemReady(); 875 } catch (Throwable e) { 876 reportWtf("making Network Stats Service ready", e); 877 } 878 try { 879 if (networkPolicyF != null) networkPolicyF.systemReady(); 880 } catch (Throwable e) { 881 reportWtf("making Network Policy Service ready", e); 882 } 883 try { 884 if (connectivityF != null) connectivityF.systemReady(); 885 } catch (Throwable e) { 886 reportWtf("making Connectivity Service ready", e); 887 } 888 try { 889 if (dockF != null) dockF.systemReady(); 890 } catch (Throwable e) { 891 reportWtf("making Dock Service ready", e); 892 } 893 try { 894 if (usbF != null) usbF.systemReady(); 895 } catch (Throwable e) { 896 reportWtf("making USB Service ready", e); 897 } 898 try { 899 if (twilightF != null) twilightF.systemReady(); 900 } catch (Throwable e) { 901 reportWtf("makin Twilight Service ready", e); 902 } 903 try { 904 if (uiModeF != null) uiModeF.systemReady(); 905 } catch (Throwable e) { 906 reportWtf("making UI Mode Service ready", e); 907 } 908 try { 909 if (recognitionF != null) recognitionF.systemReady(); 910 } catch (Throwable e) { 911 reportWtf("making Recognition Service ready", e); 912 } 913 Watchdog.getInstance().start(); 914 915 // It is now okay to let the various system services start their 916 // third party code... 917 918 try { 919 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 920 } catch (Throwable e) { 921 reportWtf("making App Widget Service ready", e); 922 } 923 try { 924 if (wallpaperF != null) wallpaperF.systemReady(); 925 } catch (Throwable e) { 926 reportWtf("making Wallpaper Service ready", e); 927 } 928 try { 929 if (immF != null) immF.systemReady(statusBarF); 930 } catch (Throwable e) { 931 reportWtf("making Input Method Service ready", e); 932 } 933 try { 934 if (locationF != null) locationF.systemReady(); 935 } catch (Throwable e) { 936 reportWtf("making Location Service ready", e); 937 } 938 try { 939 if (countryDetectorF != null) countryDetectorF.systemReady(); 940 } catch (Throwable e) { 941 reportWtf("making Country Detector Service ready", e); 942 } 943 try { 944 if (throttleF != null) throttleF.systemReady(); 945 } catch (Throwable e) { 946 reportWtf("making Throttle Service ready", e); 947 } 948 try { 949 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 950 } catch (Throwable e) { 951 reportWtf("making Network Time Service ready", e); 952 } 953 try { 954 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 955 } catch (Throwable e) { 956 reportWtf("making Common time management service ready", e); 957 } 958 try { 959 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 960 } catch (Throwable e) { 961 reportWtf("making Text Services Manager Service ready", e); 962 } 963 try { 964 if (dreamyF != null) dreamyF.systemReady(); 965 } catch (Throwable e) { 966 reportWtf("making DreamManagerService ready", e); 967 } 968 try { 969 // TODO(BT) Pass parameter to input manager 970 if (inputManagerF != null) inputManagerF.systemReady(); 971 } catch (Throwable e) { 972 reportWtf("making InputManagerService ready", e); 973 } 974 } 975 }); 976 977 // For debug builds, log event loop stalls to dropbox for analysis. 978 if (StrictMode.conditionallyEnableDebugLogging()) { 979 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 980 } 981 982 Looper.loop(); 983 Slog.d(TAG, "System ServerThread is exiting!"); 984 } 985 986 static final void startSystemUi(Context context) { 987 Intent intent = new Intent(); 988 intent.setComponent(new ComponentName("com.android.systemui", 989 "com.android.systemui.SystemUIService")); 990 Slog.d(TAG, "Starting service: " + intent); 991 context.startService(intent); 992 } 993} 994 995public class SystemServer { 996 private static final String TAG = "SystemServer"; 997 998 public static final int FACTORY_TEST_OFF = 0; 999 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1000 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1001 1002 static Timer timer; 1003 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1004 1005 // The earliest supported time. We pick one day into 1970, to 1006 // give any timezone code room without going into negative time. 1007 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1008 1009 /** 1010 * This method is called from Zygote to initialize the system. This will cause the native 1011 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1012 * up into init2() to start the Android services. 1013 */ 1014 native public static void init1(String[] args); 1015 1016 public static void main(String[] args) { 1017 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1018 // If a device's clock is before 1970 (before 0), a lot of 1019 // APIs crash dealing with negative numbers, notably 1020 // java.io.File#setLastModified, so instead we fake it and 1021 // hope that time from cell towers or NTP fixes it 1022 // shortly. 1023 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1024 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1025 } 1026 1027 if (SamplingProfilerIntegration.isEnabled()) { 1028 SamplingProfilerIntegration.start(); 1029 timer = new Timer(); 1030 timer.schedule(new TimerTask() { 1031 @Override 1032 public void run() { 1033 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1034 } 1035 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1036 } 1037 1038 // Mmmmmm... more memory! 1039 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1040 1041 // The system server has to run all of the time, so it needs to be 1042 // as efficient as possible with its memory usage. 1043 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1044 1045 System.loadLibrary("android_servers"); 1046 init1(args); 1047 } 1048 1049 public static final void init2() { 1050 Slog.i(TAG, "Entered the Android system server!"); 1051 Thread thr = new ServerThread(); 1052 thr.setName("android.server.ServerThread"); 1053 thr.start(); 1054 } 1055} 1056