SystemServer.java revision a9d131c30878cacdaeacb4f43a82a7cc5b872453
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 WM 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, "Input Manager"); 304 inputManager = new InputManagerService(context, wmHandler); 305 306 Slog.i(TAG, "Window Manager"); 307 wm = WindowManagerService.main(context, power, display, inputManager, 308 uiHandler, wmHandler, 309 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 310 !firstBoot, onlyCore); 311 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 312 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 313 314 ActivityManagerService.self().setWindowManager(wm); 315 316 inputManager.setWindowManagerCallbacks(wm.getInputMonitor()); 317 inputManager.start(); 318 319 display.setWindowManager(wm); 320 display.setInputManager(inputManager); 321 322 // Skip Bluetooth if we have an emulator kernel 323 // TODO: Use a more reliable check to see if this product should 324 // support Bluetooth - see bug 988521 325 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 326 Slog.i(TAG, "No Bluetooh Service (emulator)"); 327 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 328 Slog.i(TAG, "No Bluetooth Service (factory test)"); 329 } else { 330 Slog.i(TAG, "Bluetooth Manager Service"); 331 bluetooth = new BluetoothManagerService(context); 332 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 333 } 334 335 } catch (RuntimeException e) { 336 Slog.e("System", "******************************************"); 337 Slog.e("System", "************ Failure starting core service", e); 338 } 339 340 DevicePolicyManagerService devicePolicy = null; 341 StatusBarManagerService statusBar = null; 342 InputMethodManagerService imm = null; 343 AppWidgetService appWidget = null; 344 NotificationManagerService notification = null; 345 WallpaperManagerService wallpaper = null; 346 LocationManagerService location = null; 347 CountryDetectorService countryDetector = null; 348 TextServicesManagerService tsms = null; 349 LockSettingsService lockSettings = null; 350 DreamManagerService dreamy = null; 351 352 // Bring up services needed for UI. 353 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 354 try { 355 Slog.i(TAG, "Input Method Service"); 356 imm = new InputMethodManagerService(context, wm); 357 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 358 } catch (Throwable e) { 359 reportWtf("starting Input Manager Service", e); 360 } 361 362 try { 363 Slog.i(TAG, "Accessibility Manager"); 364 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 365 new AccessibilityManagerService(context)); 366 } catch (Throwable e) { 367 reportWtf("starting Accessibility Manager", e); 368 } 369 } 370 371 try { 372 wm.displayReady(); 373 } catch (Throwable e) { 374 reportWtf("making display ready", e); 375 } 376 377 try { 378 pm.performBootDexOpt(); 379 } catch (Throwable e) { 380 reportWtf("performing boot dexopt", e); 381 } 382 383 try { 384 ActivityManagerNative.getDefault().showBootMessage( 385 context.getResources().getText( 386 com.android.internal.R.string.android_upgrading_starting_apps), 387 false); 388 } catch (RemoteException e) { 389 } 390 391 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 392 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 393 try { 394 /* 395 * NotificationManagerService is dependant on MountService, 396 * (for media / usb notifications) so we must start MountService first. 397 */ 398 Slog.i(TAG, "Mount Service"); 399 mountService = new MountService(context); 400 ServiceManager.addService("mount", mountService); 401 } catch (Throwable e) { 402 reportWtf("starting Mount Service", e); 403 } 404 } 405 406 try { 407 Slog.i(TAG, "LockSettingsService"); 408 lockSettings = new LockSettingsService(context); 409 ServiceManager.addService("lock_settings", lockSettings); 410 } catch (Throwable e) { 411 reportWtf("starting LockSettingsService service", e); 412 } 413 414 try { 415 Slog.i(TAG, "Device Policy"); 416 devicePolicy = new DevicePolicyManagerService(context); 417 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 418 } catch (Throwable e) { 419 reportWtf("starting DevicePolicyService", e); 420 } 421 422 try { 423 Slog.i(TAG, "Status Bar"); 424 statusBar = new StatusBarManagerService(context, wm); 425 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 426 } catch (Throwable e) { 427 reportWtf("starting StatusBarManagerService", e); 428 } 429 430 try { 431 Slog.i(TAG, "Clipboard Service"); 432 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 433 new ClipboardService(context)); 434 } catch (Throwable e) { 435 reportWtf("starting Clipboard Service", e); 436 } 437 438 try { 439 Slog.i(TAG, "NetworkManagement Service"); 440 networkManagement = NetworkManagementService.create(context); 441 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 442 } catch (Throwable e) { 443 reportWtf("starting NetworkManagement Service", e); 444 } 445 446 try { 447 Slog.i(TAG, "Text Service Manager Service"); 448 tsms = new TextServicesManagerService(context); 449 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 450 } catch (Throwable e) { 451 reportWtf("starting Text Service Manager Service", e); 452 } 453 454 try { 455 Slog.i(TAG, "NetworkStats Service"); 456 networkStats = new NetworkStatsService(context, networkManagement, alarm); 457 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 458 } catch (Throwable e) { 459 reportWtf("starting NetworkStats Service", e); 460 } 461 462 try { 463 Slog.i(TAG, "NetworkPolicy Service"); 464 networkPolicy = new NetworkPolicyManagerService( 465 context, ActivityManagerService.self(), power, 466 networkStats, networkManagement); 467 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 468 } catch (Throwable e) { 469 reportWtf("starting NetworkPolicy Service", e); 470 } 471 472 try { 473 Slog.i(TAG, "Wi-Fi P2pService"); 474 wifiP2p = new WifiP2pService(context); 475 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 476 } catch (Throwable e) { 477 reportWtf("starting Wi-Fi P2pService", e); 478 } 479 480 try { 481 Slog.i(TAG, "Wi-Fi Service"); 482 wifi = new WifiService(context); 483 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 484 } catch (Throwable e) { 485 reportWtf("starting Wi-Fi Service", e); 486 } 487 488 try { 489 Slog.i(TAG, "Connectivity Service"); 490 connectivity = new ConnectivityService( 491 context, networkManagement, networkStats, networkPolicy); 492 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 493 networkStats.bindConnectivityManager(connectivity); 494 networkPolicy.bindConnectivityManager(connectivity); 495 wifi.checkAndStartWifi(); 496 wifiP2p.connectivityServiceReady(); 497 } catch (Throwable e) { 498 reportWtf("starting Connectivity Service", e); 499 } 500 501 try { 502 Slog.i(TAG, "Network Service Discovery Service"); 503 serviceDiscovery = NsdService.create(context); 504 ServiceManager.addService( 505 Context.NSD_SERVICE, serviceDiscovery); 506 } catch (Throwable e) { 507 reportWtf("starting Service Discovery Service", e); 508 } 509 510 try { 511 Slog.i(TAG, "Throttle Service"); 512 throttle = new ThrottleService(context); 513 ServiceManager.addService( 514 Context.THROTTLE_SERVICE, throttle); 515 } catch (Throwable e) { 516 reportWtf("starting ThrottleService", e); 517 } 518 519 try { 520 Slog.i(TAG, "UpdateLock Service"); 521 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 522 new UpdateLockService(context)); 523 } catch (Throwable e) { 524 reportWtf("starting UpdateLockService", e); 525 } 526 527 /* 528 * MountService has a few dependencies: Notification Manager and 529 * AppWidget Provider. Make sure MountService is completely started 530 * first before continuing. 531 */ 532 if (mountService != null) { 533 mountService.waitForAsecScan(); 534 } 535 536 try { 537 if (accountManager != null) 538 accountManager.systemReady(); 539 } catch (Throwable e) { 540 reportWtf("making Account Manager Service ready", e); 541 } 542 543 try { 544 if (contentService != null) 545 contentService.systemReady(); 546 } catch (Throwable e) { 547 reportWtf("making Content Service ready", e); 548 } 549 550 try { 551 Slog.i(TAG, "Notification Manager"); 552 notification = new NotificationManagerService(context, statusBar, lights); 553 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 554 networkPolicy.bindNotificationManager(notification); 555 } catch (Throwable e) { 556 reportWtf("starting Notification Manager", e); 557 } 558 559 try { 560 Slog.i(TAG, "Device Storage Monitor"); 561 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 562 new DeviceStorageMonitorService(context)); 563 } catch (Throwable e) { 564 reportWtf("starting DeviceStorageMonitor service", e); 565 } 566 567 try { 568 Slog.i(TAG, "Location Manager"); 569 location = new LocationManagerService(context); 570 ServiceManager.addService(Context.LOCATION_SERVICE, location); 571 } catch (Throwable e) { 572 reportWtf("starting Location Manager", e); 573 } 574 575 try { 576 Slog.i(TAG, "Country Detector"); 577 countryDetector = new CountryDetectorService(context); 578 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 579 } catch (Throwable e) { 580 reportWtf("starting Country Detector", e); 581 } 582 583 try { 584 Slog.i(TAG, "Search Service"); 585 ServiceManager.addService(Context.SEARCH_SERVICE, 586 new SearchManagerService(context)); 587 } catch (Throwable e) { 588 reportWtf("starting Search Service", e); 589 } 590 591 try { 592 Slog.i(TAG, "DropBox Service"); 593 ServiceManager.addService(Context.DROPBOX_SERVICE, 594 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 595 } catch (Throwable e) { 596 reportWtf("starting DropBoxManagerService", e); 597 } 598 599 if (context.getResources().getBoolean( 600 com.android.internal.R.bool.config_enableWallpaperService)) { 601 try { 602 Slog.i(TAG, "Wallpaper Service"); 603 if (!headless) { 604 wallpaper = new WallpaperManagerService(context); 605 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 606 } 607 } catch (Throwable e) { 608 reportWtf("starting Wallpaper Service", e); 609 } 610 } 611 612 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 613 try { 614 Slog.i(TAG, "Audio Service"); 615 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 616 } catch (Throwable e) { 617 reportWtf("starting Audio Service", e); 618 } 619 } 620 621 try { 622 Slog.i(TAG, "Dock Observer"); 623 // Listen for dock station changes 624 dock = new DockObserver(context); 625 } catch (Throwable e) { 626 reportWtf("starting DockObserver", e); 627 } 628 629 try { 630 Slog.i(TAG, "Wired Accessory Observer"); 631 // Listen for wired headset changes 632 new WiredAccessoryObserver(context); 633 } catch (Throwable e) { 634 reportWtf("starting WiredAccessoryObserver", e); 635 } 636 637 try { 638 Slog.i(TAG, "USB Service"); 639 // Manage USB host and device support 640 usb = new UsbService(context); 641 ServiceManager.addService(Context.USB_SERVICE, usb); 642 } catch (Throwable e) { 643 reportWtf("starting UsbService", e); 644 } 645 646 try { 647 Slog.i(TAG, "Serial Service"); 648 // Serial port support 649 serial = new SerialService(context); 650 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 651 } catch (Throwable e) { 652 Slog.e(TAG, "Failure starting SerialService", e); 653 } 654 655 try { 656 Slog.i(TAG, "Twilight Service"); 657 twilight = new TwilightService(context); 658 } catch (Throwable e) { 659 reportWtf("starting TwilightService", e); 660 } 661 662 try { 663 Slog.i(TAG, "UI Mode Manager Service"); 664 // Listen for UI mode changes 665 uiMode = new UiModeManagerService(context, twilight); 666 } catch (Throwable e) { 667 reportWtf("starting UiModeManagerService", e); 668 } 669 670 try { 671 Slog.i(TAG, "Backup Service"); 672 ServiceManager.addService(Context.BACKUP_SERVICE, 673 new BackupManagerService(context)); 674 } catch (Throwable e) { 675 Slog.e(TAG, "Failure starting Backup Service", e); 676 } 677 678 try { 679 Slog.i(TAG, "AppWidget Service"); 680 appWidget = new AppWidgetService(context); 681 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 682 } catch (Throwable e) { 683 reportWtf("starting AppWidget Service", e); 684 } 685 686 try { 687 Slog.i(TAG, "Recognition Service"); 688 recognition = new RecognitionManagerService(context); 689 } catch (Throwable e) { 690 reportWtf("starting Recognition Service", e); 691 } 692 693 try { 694 Slog.i(TAG, "DiskStats Service"); 695 ServiceManager.addService("diskstats", new DiskStatsService(context)); 696 } catch (Throwable e) { 697 reportWtf("starting DiskStats Service", e); 698 } 699 700 try { 701 // need to add this service even if SamplingProfilerIntegration.isEnabled() 702 // is false, because it is this service that detects system property change and 703 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 704 // there is little overhead for running this service. 705 Slog.i(TAG, "SamplingProfiler Service"); 706 ServiceManager.addService("samplingprofiler", 707 new SamplingProfilerService(context)); 708 } catch (Throwable e) { 709 reportWtf("starting SamplingProfiler Service", e); 710 } 711 712 try { 713 Slog.i(TAG, "NetworkTimeUpdateService"); 714 networkTimeUpdater = new NetworkTimeUpdateService(context); 715 } catch (Throwable e) { 716 reportWtf("starting NetworkTimeUpdate service", e); 717 } 718 719 try { 720 Slog.i(TAG, "CommonTimeManagementService"); 721 commonTimeMgmtService = new CommonTimeManagementService(context); 722 ServiceManager.addService("commontime_management", commonTimeMgmtService); 723 } catch (Throwable e) { 724 reportWtf("starting CommonTimeManagementService service", e); 725 } 726 727 try { 728 Slog.i(TAG, "CertBlacklister"); 729 CertBlacklister blacklister = new CertBlacklister(context); 730 } catch (Throwable e) { 731 reportWtf("starting CertBlacklister", e); 732 } 733 734 if (context.getResources().getBoolean( 735 com.android.internal.R.bool.config_enableDreams)) { 736 try { 737 Slog.i(TAG, "Dreams Service"); 738 // Dreams (interactive idle-time views, a/k/a screen savers) 739 dreamy = new DreamManagerService(context); 740 ServiceManager.addService("dreams", dreamy); 741 } catch (Throwable e) { 742 reportWtf("starting DreamManagerService", e); 743 } 744 } 745 } 746 747 // Before things start rolling, be sure we have decided whether 748 // we are in safe mode. 749 final boolean safeMode = wm.detectSafeMode(); 750 if (safeMode) { 751 ActivityManagerService.self().enterSafeMode(); 752 // Post the safe mode state in the Zygote class 753 Zygote.systemInSafeMode = true; 754 // Disable the JIT for the system_server process 755 VMRuntime.getRuntime().disableJitCompilation(); 756 } else { 757 // Enable the JIT for the system_server process 758 VMRuntime.getRuntime().startJitCompilation(); 759 } 760 761 // It is now time to start up the app processes... 762 763 try { 764 vibrator.systemReady(); 765 } catch (Throwable e) { 766 reportWtf("making Vibrator Service ready", e); 767 } 768 769 if (devicePolicy != null) { 770 try { 771 devicePolicy.systemReady(); 772 } catch (Throwable e) { 773 reportWtf("making Device Policy Service ready", e); 774 } 775 } 776 777 if (notification != null) { 778 try { 779 notification.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Notification Service ready", e); 782 } 783 } 784 785 try { 786 lockSettings.systemReady(); 787 } catch (Throwable e) { 788 reportWtf("making Lock Settings Service ready", e); 789 } 790 791 try { 792 wm.systemReady(); 793 } catch (Throwable e) { 794 reportWtf("making Window Manager Service ready", e); 795 } 796 797 if (safeMode) { 798 ActivityManagerService.self().showSafeModeOverlay(); 799 } 800 801 // Update the configuration for this context by hand, because we're going 802 // to start using it before the config change done in wm.systemReady() will 803 // propagate to it. 804 Configuration config = wm.computeNewConfiguration(); 805 DisplayMetrics metrics = new DisplayMetrics(); 806 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 807 w.getDefaultDisplay().getMetrics(metrics); 808 context.getResources().updateConfiguration(config, metrics); 809 810 try { 811 power.systemReady(twilight); 812 } catch (Throwable e) { 813 reportWtf("making Power Manager Service ready", e); 814 } 815 816 try { 817 pm.systemReady(); 818 } catch (Throwable e) { 819 reportWtf("making Package Manager Service ready", e); 820 } 821 822 try { 823 display.systemReady(safeMode, onlyCore); 824 } catch (Throwable e) { 825 reportWtf("making Display Manager Service ready", e); 826 } 827 828 // These are needed to propagate to the runnable below. 829 final Context contextF = context; 830 final MountService mountServiceF = mountService; 831 final BatteryService batteryF = battery; 832 final NetworkManagementService networkManagementF = networkManagement; 833 final NetworkStatsService networkStatsF = networkStats; 834 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 835 final ConnectivityService connectivityF = connectivity; 836 final DockObserver dockF = dock; 837 final UsbService usbF = usb; 838 final ThrottleService throttleF = throttle; 839 final TwilightService twilightF = twilight; 840 final UiModeManagerService uiModeF = uiMode; 841 final AppWidgetService appWidgetF = appWidget; 842 final WallpaperManagerService wallpaperF = wallpaper; 843 final InputMethodManagerService immF = imm; 844 final RecognitionManagerService recognitionF = recognition; 845 final LocationManagerService locationF = location; 846 final CountryDetectorService countryDetectorF = countryDetector; 847 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 848 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 849 final TextServicesManagerService textServiceManagerServiceF = tsms; 850 final StatusBarManagerService statusBarF = statusBar; 851 final DreamManagerService dreamyF = dreamy; 852 final InputManagerService inputManagerF = inputManager; 853 854 // We now tell the activity manager it is okay to run third party 855 // code. It will call back into us once it has gotten to the state 856 // where third party code can really run (but before it has actually 857 // started launching the initial applications), for us to complete our 858 // initialization. 859 ActivityManagerService.self().systemReady(new Runnable() { 860 public void run() { 861 Slog.i(TAG, "Making services ready"); 862 863 if (!headless) startSystemUi(contextF); 864 try { 865 if (mountServiceF != null) mountServiceF.systemReady(); 866 } catch (Throwable e) { 867 reportWtf("making Mount Service ready", e); 868 } 869 try { 870 if (batteryF != null) batteryF.systemReady(); 871 } catch (Throwable e) { 872 reportWtf("making Battery Service ready", e); 873 } 874 try { 875 if (networkManagementF != null) networkManagementF.systemReady(); 876 } catch (Throwable e) { 877 reportWtf("making Network Managment Service ready", e); 878 } 879 try { 880 if (networkStatsF != null) networkStatsF.systemReady(); 881 } catch (Throwable e) { 882 reportWtf("making Network Stats Service ready", e); 883 } 884 try { 885 if (networkPolicyF != null) networkPolicyF.systemReady(); 886 } catch (Throwable e) { 887 reportWtf("making Network Policy Service ready", e); 888 } 889 try { 890 if (connectivityF != null) connectivityF.systemReady(); 891 } catch (Throwable e) { 892 reportWtf("making Connectivity Service ready", e); 893 } 894 try { 895 if (dockF != null) dockF.systemReady(); 896 } catch (Throwable e) { 897 reportWtf("making Dock Service ready", e); 898 } 899 try { 900 if (usbF != null) usbF.systemReady(); 901 } catch (Throwable e) { 902 reportWtf("making USB Service ready", e); 903 } 904 try { 905 if (twilightF != null) twilightF.systemReady(); 906 } catch (Throwable e) { 907 reportWtf("makin Twilight Service ready", e); 908 } 909 try { 910 if (uiModeF != null) uiModeF.systemReady(); 911 } catch (Throwable e) { 912 reportWtf("making UI Mode Service ready", e); 913 } 914 try { 915 if (recognitionF != null) recognitionF.systemReady(); 916 } catch (Throwable e) { 917 reportWtf("making Recognition Service ready", e); 918 } 919 Watchdog.getInstance().start(); 920 921 // It is now okay to let the various system services start their 922 // third party code... 923 924 try { 925 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 926 } catch (Throwable e) { 927 reportWtf("making App Widget Service ready", e); 928 } 929 try { 930 if (wallpaperF != null) wallpaperF.systemReady(); 931 } catch (Throwable e) { 932 reportWtf("making Wallpaper Service ready", e); 933 } 934 try { 935 if (immF != null) immF.systemReady(statusBarF); 936 } catch (Throwable e) { 937 reportWtf("making Input Method Service ready", e); 938 } 939 try { 940 if (locationF != null) locationF.systemReady(); 941 } catch (Throwable e) { 942 reportWtf("making Location Service ready", e); 943 } 944 try { 945 if (countryDetectorF != null) countryDetectorF.systemReady(); 946 } catch (Throwable e) { 947 reportWtf("making Country Detector Service ready", e); 948 } 949 try { 950 if (throttleF != null) throttleF.systemReady(); 951 } catch (Throwable e) { 952 reportWtf("making Throttle Service ready", e); 953 } 954 try { 955 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 956 } catch (Throwable e) { 957 reportWtf("making Network Time Service ready", e); 958 } 959 try { 960 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 961 } catch (Throwable e) { 962 reportWtf("making Common time management service ready", e); 963 } 964 try { 965 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 966 } catch (Throwable e) { 967 reportWtf("making Text Services Manager Service ready", e); 968 } 969 try { 970 if (dreamyF != null) dreamyF.systemReady(); 971 } catch (Throwable e) { 972 reportWtf("making DreamManagerService ready", e); 973 } 974 try { 975 // TODO(BT) Pass parameter to input manager 976 if (inputManagerF != null) inputManagerF.systemReady(); 977 } catch (Throwable e) { 978 reportWtf("making InputManagerService ready", e); 979 } 980 } 981 }); 982 983 // For debug builds, log event loop stalls to dropbox for analysis. 984 if (StrictMode.conditionallyEnableDebugLogging()) { 985 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 986 } 987 988 Looper.loop(); 989 Slog.d(TAG, "System ServerThread is exiting!"); 990 } 991 992 static final void startSystemUi(Context context) { 993 Intent intent = new Intent(); 994 intent.setComponent(new ComponentName("com.android.systemui", 995 "com.android.systemui.SystemUIService")); 996 Slog.d(TAG, "Starting service: " + intent); 997 context.startService(intent); 998 } 999} 1000 1001public class SystemServer { 1002 private static final String TAG = "SystemServer"; 1003 1004 public static final int FACTORY_TEST_OFF = 0; 1005 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1006 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1007 1008 static Timer timer; 1009 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1010 1011 // The earliest supported time. We pick one day into 1970, to 1012 // give any timezone code room without going into negative time. 1013 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1014 1015 /** 1016 * This method is called from Zygote to initialize the system. This will cause the native 1017 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1018 * up into init2() to start the Android services. 1019 */ 1020 native public static void init1(String[] args); 1021 1022 public static void main(String[] args) { 1023 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1024 // If a device's clock is before 1970 (before 0), a lot of 1025 // APIs crash dealing with negative numbers, notably 1026 // java.io.File#setLastModified, so instead we fake it and 1027 // hope that time from cell towers or NTP fixes it 1028 // shortly. 1029 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1030 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1031 } 1032 1033 if (SamplingProfilerIntegration.isEnabled()) { 1034 SamplingProfilerIntegration.start(); 1035 timer = new Timer(); 1036 timer.schedule(new TimerTask() { 1037 @Override 1038 public void run() { 1039 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1040 } 1041 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1042 } 1043 1044 // Mmmmmm... more memory! 1045 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1046 1047 // The system server has to run all of the time, so it needs to be 1048 // as efficient as possible with its memory usage. 1049 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1050 1051 System.loadLibrary("android_servers"); 1052 init1(args); 1053 } 1054 1055 public static final void init2() { 1056 Slog.i(TAG, "Entered the Android system server!"); 1057 Thread thr = new ServerThread(); 1058 thr.setName("android.server.ServerThread"); 1059 thr.start(); 1060 } 1061} 1062