SystemServer.java revision 4ed8fe75e1dde1a2b9576f3862aecc5a572c56b5
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); 307 308 // Skip Bluetooth if we have an emulator kernel 309 // TODO: Use a more reliable check to see if this product should 310 // support Bluetooth - see bug 988521 311 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 312 Slog.i(TAG, "No Bluetooh Service (emulator)"); 313 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 314 Slog.i(TAG, "No Bluetooth Service (factory test)"); 315 } else { 316 Slog.i(TAG, "Bluetooth Manager Service"); 317 bluetooth = new BluetoothManagerService(context); 318 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 319 } 320 321 } catch (RuntimeException e) { 322 Slog.e("System", "******************************************"); 323 Slog.e("System", "************ Failure starting core service", e); 324 } 325 326 DevicePolicyManagerService devicePolicy = null; 327 StatusBarManagerService statusBar = null; 328 InputMethodManagerService imm = null; 329 AppWidgetService appWidget = null; 330 NotificationManagerService notification = null; 331 WallpaperManagerService wallpaper = null; 332 LocationManagerService location = null; 333 CountryDetectorService countryDetector = null; 334 TextServicesManagerService tsms = null; 335 LockSettingsService lockSettings = null; 336 DreamManagerService dreamy = null; 337 338 // Bring up services needed for UI. 339 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 340 try { 341 Slog.i(TAG, "Input Method Service"); 342 imm = new InputMethodManagerService(context, wm); 343 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 344 } catch (Throwable e) { 345 reportWtf("starting Input Manager Service", e); 346 } 347 348 try { 349 Slog.i(TAG, "Accessibility Manager"); 350 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 351 new AccessibilityManagerService(context)); 352 } catch (Throwable e) { 353 reportWtf("starting Accessibility Manager", e); 354 } 355 } 356 357 try { 358 wm.displayReady(); 359 } catch (Throwable e) { 360 reportWtf("making display ready", e); 361 } 362 363 try { 364 pm.performBootDexOpt(); 365 } catch (Throwable e) { 366 reportWtf("performing boot dexopt", e); 367 } 368 369 try { 370 ActivityManagerNative.getDefault().showBootMessage( 371 context.getResources().getText( 372 com.android.internal.R.string.android_upgrading_starting_apps), 373 false); 374 } catch (RemoteException e) { 375 } 376 377 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 378 MountService mountService = null; 379 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 380 try { 381 /* 382 * NotificationManagerService is dependant on MountService, 383 * (for media / usb notifications) so we must start MountService first. 384 */ 385 Slog.i(TAG, "Mount Service"); 386 mountService = new MountService(context); 387 ServiceManager.addService("mount", mountService); 388 } catch (Throwable e) { 389 reportWtf("starting Mount Service", e); 390 } 391 } 392 393 try { 394 Slog.i(TAG, "LockSettingsService"); 395 lockSettings = new LockSettingsService(context); 396 ServiceManager.addService("lock_settings", lockSettings); 397 } catch (Throwable e) { 398 reportWtf("starting LockSettingsService service", e); 399 } 400 401 try { 402 Slog.i(TAG, "Device Policy"); 403 devicePolicy = new DevicePolicyManagerService(context); 404 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 405 } catch (Throwable e) { 406 reportWtf("starting DevicePolicyService", e); 407 } 408 409 try { 410 Slog.i(TAG, "Status Bar"); 411 statusBar = new StatusBarManagerService(context, wm); 412 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 413 } catch (Throwable e) { 414 reportWtf("starting StatusBarManagerService", e); 415 } 416 417 try { 418 Slog.i(TAG, "Clipboard Service"); 419 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 420 new ClipboardService(context)); 421 } catch (Throwable e) { 422 reportWtf("starting Clipboard Service", e); 423 } 424 425 try { 426 Slog.i(TAG, "NetworkManagement Service"); 427 networkManagement = NetworkManagementService.create(context); 428 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 429 } catch (Throwable e) { 430 reportWtf("starting NetworkManagement Service", e); 431 } 432 433 try { 434 Slog.i(TAG, "Text Service Manager Service"); 435 tsms = new TextServicesManagerService(context); 436 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 437 } catch (Throwable e) { 438 reportWtf("starting Text Service Manager Service", e); 439 } 440 441 try { 442 Slog.i(TAG, "NetworkStats Service"); 443 networkStats = new NetworkStatsService(context, networkManagement, alarm); 444 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 445 } catch (Throwable e) { 446 reportWtf("starting NetworkStats Service", e); 447 } 448 449 try { 450 Slog.i(TAG, "NetworkPolicy Service"); 451 networkPolicy = new NetworkPolicyManagerService( 452 context, ActivityManagerService.self(), power, 453 networkStats, networkManagement); 454 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 455 } catch (Throwable e) { 456 reportWtf("starting NetworkPolicy Service", e); 457 } 458 459 try { 460 Slog.i(TAG, "Wi-Fi P2pService"); 461 wifiP2p = new WifiP2pService(context); 462 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 463 } catch (Throwable e) { 464 reportWtf("starting Wi-Fi P2pService", e); 465 } 466 467 try { 468 Slog.i(TAG, "Wi-Fi Service"); 469 wifi = new WifiService(context); 470 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 471 } catch (Throwable e) { 472 reportWtf("starting Wi-Fi Service", e); 473 } 474 475 try { 476 Slog.i(TAG, "Connectivity Service"); 477 connectivity = new ConnectivityService( 478 context, networkManagement, networkStats, networkPolicy); 479 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 480 networkStats.bindConnectivityManager(connectivity); 481 networkPolicy.bindConnectivityManager(connectivity); 482 wifi.checkAndStartWifi(); 483 wifiP2p.connectivityServiceReady(); 484 } catch (Throwable e) { 485 reportWtf("starting Connectivity Service", e); 486 } 487 488 try { 489 Slog.i(TAG, "Network Service Discovery Service"); 490 serviceDiscovery = NsdService.create(context); 491 ServiceManager.addService( 492 Context.NSD_SERVICE, serviceDiscovery); 493 } catch (Throwable e) { 494 reportWtf("starting Service Discovery Service", e); 495 } 496 497 try { 498 Slog.i(TAG, "Throttle Service"); 499 throttle = new ThrottleService(context); 500 ServiceManager.addService( 501 Context.THROTTLE_SERVICE, throttle); 502 } catch (Throwable e) { 503 reportWtf("starting ThrottleService", e); 504 } 505 506 try { 507 Slog.i(TAG, "UpdateLock Service"); 508 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 509 new UpdateLockService(context)); 510 } catch (Throwable e) { 511 reportWtf("starting UpdateLockService", e); 512 } 513 514 /* 515 * MountService has a few dependencies: Notification Manager and 516 * AppWidget Provider. Make sure MountService is completely started 517 * first before continuing. 518 */ 519 if (mountService != null) { 520 mountService.waitForAsecScan(); 521 } 522 523 try { 524 if (accountManager != null) 525 accountManager.systemReady(); 526 } catch (Throwable e) { 527 reportWtf("making Account Manager Service ready", e); 528 } 529 530 try { 531 if (contentService != null) 532 contentService.systemReady(); 533 } catch (Throwable e) { 534 reportWtf("making Content Service ready", e); 535 } 536 537 try { 538 Slog.i(TAG, "Notification Manager"); 539 notification = new NotificationManagerService(context, statusBar, lights); 540 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 541 networkPolicy.bindNotificationManager(notification); 542 } catch (Throwable e) { 543 reportWtf("starting Notification Manager", e); 544 } 545 546 try { 547 Slog.i(TAG, "Device Storage Monitor"); 548 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 549 new DeviceStorageMonitorService(context)); 550 } catch (Throwable e) { 551 reportWtf("starting DeviceStorageMonitor service", e); 552 } 553 554 try { 555 Slog.i(TAG, "Location Manager"); 556 location = new LocationManagerService(context); 557 ServiceManager.addService(Context.LOCATION_SERVICE, location); 558 } catch (Throwable e) { 559 reportWtf("starting Location Manager", e); 560 } 561 562 try { 563 Slog.i(TAG, "Country Detector"); 564 countryDetector = new CountryDetectorService(context); 565 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 566 } catch (Throwable e) { 567 reportWtf("starting Country Detector", e); 568 } 569 570 try { 571 Slog.i(TAG, "Search Service"); 572 ServiceManager.addService(Context.SEARCH_SERVICE, 573 new SearchManagerService(context)); 574 } catch (Throwable e) { 575 reportWtf("starting Search Service", e); 576 } 577 578 try { 579 Slog.i(TAG, "DropBox Service"); 580 ServiceManager.addService(Context.DROPBOX_SERVICE, 581 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 582 } catch (Throwable e) { 583 reportWtf("starting DropBoxManagerService", e); 584 } 585 586 if (context.getResources().getBoolean( 587 com.android.internal.R.bool.config_enableWallpaperService)) { 588 try { 589 Slog.i(TAG, "Wallpaper Service"); 590 if (!headless) { 591 wallpaper = new WallpaperManagerService(context); 592 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 593 } 594 } catch (Throwable e) { 595 reportWtf("starting Wallpaper Service", e); 596 } 597 } 598 599 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 600 try { 601 Slog.i(TAG, "Audio Service"); 602 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 603 } catch (Throwable e) { 604 reportWtf("starting Audio Service", e); 605 } 606 } 607 608 try { 609 Slog.i(TAG, "Dock Observer"); 610 // Listen for dock station changes 611 dock = new DockObserver(context); 612 } catch (Throwable e) { 613 reportWtf("starting DockObserver", e); 614 } 615 616 try { 617 Slog.i(TAG, "Wired Accessory Observer"); 618 // Listen for wired headset changes 619 new WiredAccessoryObserver(context); 620 } catch (Throwable e) { 621 reportWtf("starting WiredAccessoryObserver", e); 622 } 623 624 try { 625 Slog.i(TAG, "USB Service"); 626 // Manage USB host and device support 627 usb = new UsbService(context); 628 ServiceManager.addService(Context.USB_SERVICE, usb); 629 } catch (Throwable e) { 630 reportWtf("starting UsbService", e); 631 } 632 633 try { 634 Slog.i(TAG, "Serial Service"); 635 // Serial port support 636 serial = new SerialService(context); 637 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 638 } catch (Throwable e) { 639 Slog.e(TAG, "Failure starting SerialService", e); 640 } 641 642 try { 643 Slog.i(TAG, "Twilight Service"); 644 twilight = new TwilightService(context); 645 } catch (Throwable e) { 646 reportWtf("starting TwilightService", e); 647 } 648 649 try { 650 Slog.i(TAG, "UI Mode Manager Service"); 651 // Listen for UI mode changes 652 uiMode = new UiModeManagerService(context, twilight); 653 } catch (Throwable e) { 654 reportWtf("starting UiModeManagerService", e); 655 } 656 657 try { 658 Slog.i(TAG, "Backup Service"); 659 ServiceManager.addService(Context.BACKUP_SERVICE, 660 new BackupManagerService(context)); 661 } catch (Throwable e) { 662 Slog.e(TAG, "Failure starting Backup Service", e); 663 } 664 665 try { 666 Slog.i(TAG, "AppWidget Service"); 667 appWidget = new AppWidgetService(context); 668 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 669 } catch (Throwable e) { 670 reportWtf("starting AppWidget Service", e); 671 } 672 673 try { 674 Slog.i(TAG, "Recognition Service"); 675 recognition = new RecognitionManagerService(context); 676 } catch (Throwable e) { 677 reportWtf("starting Recognition Service", e); 678 } 679 680 try { 681 Slog.i(TAG, "DiskStats Service"); 682 ServiceManager.addService("diskstats", new DiskStatsService(context)); 683 } catch (Throwable e) { 684 reportWtf("starting DiskStats Service", e); 685 } 686 687 try { 688 // need to add this service even if SamplingProfilerIntegration.isEnabled() 689 // is false, because it is this service that detects system property change and 690 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 691 // there is little overhead for running this service. 692 Slog.i(TAG, "SamplingProfiler Service"); 693 ServiceManager.addService("samplingprofiler", 694 new SamplingProfilerService(context)); 695 } catch (Throwable e) { 696 reportWtf("starting SamplingProfiler Service", e); 697 } 698 699 try { 700 Slog.i(TAG, "NetworkTimeUpdateService"); 701 networkTimeUpdater = new NetworkTimeUpdateService(context); 702 } catch (Throwable e) { 703 reportWtf("starting NetworkTimeUpdate service", e); 704 } 705 706 try { 707 Slog.i(TAG, "CommonTimeManagementService"); 708 commonTimeMgmtService = new CommonTimeManagementService(context); 709 ServiceManager.addService("commontime_management", commonTimeMgmtService); 710 } catch (Throwable e) { 711 reportWtf("starting CommonTimeManagementService service", e); 712 } 713 714 try { 715 Slog.i(TAG, "CertBlacklister"); 716 CertBlacklister blacklister = new CertBlacklister(context); 717 } catch (Throwable e) { 718 reportWtf("starting CertBlacklister", e); 719 } 720 721 if (context.getResources().getBoolean( 722 com.android.internal.R.bool.config_enableDreams)) { 723 try { 724 Slog.i(TAG, "Dreams Service"); 725 // Dreams (interactive idle-time views, a/k/a screen savers) 726 dreamy = new DreamManagerService(context); 727 ServiceManager.addService("dreams", dreamy); 728 } catch (Throwable e) { 729 reportWtf("starting DreamManagerService", e); 730 } 731 } 732 } 733 734 // Before things start rolling, be sure we have decided whether 735 // we are in safe mode. 736 final boolean safeMode = wm.detectSafeMode(); 737 if (safeMode) { 738 ActivityManagerService.self().enterSafeMode(); 739 // Post the safe mode state in the Zygote class 740 Zygote.systemInSafeMode = true; 741 // Disable the JIT for the system_server process 742 VMRuntime.getRuntime().disableJitCompilation(); 743 } else { 744 // Enable the JIT for the system_server process 745 VMRuntime.getRuntime().startJitCompilation(); 746 } 747 748 // It is now time to start up the app processes... 749 750 try { 751 vibrator.systemReady(); 752 } catch (Throwable e) { 753 reportWtf("making Vibrator Service ready", e); 754 } 755 756 if (devicePolicy != null) { 757 try { 758 devicePolicy.systemReady(); 759 } catch (Throwable e) { 760 reportWtf("making Device Policy Service ready", e); 761 } 762 } 763 764 if (notification != null) { 765 try { 766 notification.systemReady(); 767 } catch (Throwable e) { 768 reportWtf("making Notification Service ready", e); 769 } 770 } 771 772 try { 773 lockSettings.systemReady(); 774 } catch (Throwable e) { 775 reportWtf("making Lock Settings Service ready", e); 776 } 777 778 try { 779 wm.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Window Manager Service ready", e); 782 } 783 784 if (safeMode) { 785 ActivityManagerService.self().showSafeModeOverlay(); 786 } 787 788 // Update the configuration for this context by hand, because we're going 789 // to start using it before the config change done in wm.systemReady() will 790 // propagate to it. 791 Configuration config = wm.computeNewConfiguration(); 792 DisplayMetrics metrics = new DisplayMetrics(); 793 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 794 w.getDefaultDisplay().getMetrics(metrics); 795 context.getResources().updateConfiguration(config, metrics); 796 797 try { 798 power.systemReady(twilight); 799 } catch (Throwable e) { 800 reportWtf("making Power Manager Service ready", e); 801 } 802 803 try { 804 pm.systemReady(); 805 } catch (Throwable e) { 806 reportWtf("making Package Manager Service ready", e); 807 } 808 809 try { 810 display.systemReady(safeMode, onlyCore); 811 } catch (Throwable e) { 812 reportWtf("making Display Manager Service ready", e); 813 } 814 815 // These are needed to propagate to the runnable below. 816 final Context contextF = context; 817 final BatteryService batteryF = battery; 818 final NetworkManagementService networkManagementF = networkManagement; 819 final NetworkStatsService networkStatsF = networkStats; 820 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 821 final ConnectivityService connectivityF = connectivity; 822 final DockObserver dockF = dock; 823 final UsbService usbF = usb; 824 final ThrottleService throttleF = throttle; 825 final TwilightService twilightF = twilight; 826 final UiModeManagerService uiModeF = uiMode; 827 final AppWidgetService appWidgetF = appWidget; 828 final WallpaperManagerService wallpaperF = wallpaper; 829 final InputMethodManagerService immF = imm; 830 final RecognitionManagerService recognitionF = recognition; 831 final LocationManagerService locationF = location; 832 final CountryDetectorService countryDetectorF = countryDetector; 833 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 834 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 835 final TextServicesManagerService textServiceManagerServiceF = tsms; 836 final StatusBarManagerService statusBarF = statusBar; 837 final DreamManagerService dreamyF = dreamy; 838 final InputManagerService inputManagerF = inputManager; 839 840 // We now tell the activity manager it is okay to run third party 841 // code. It will call back into us once it has gotten to the state 842 // where third party code can really run (but before it has actually 843 // started launching the initial applications), for us to complete our 844 // initialization. 845 ActivityManagerService.self().systemReady(new Runnable() { 846 public void run() { 847 Slog.i(TAG, "Making services ready"); 848 849 if (!headless) startSystemUi(contextF); 850 try { 851 if (batteryF != null) batteryF.systemReady(); 852 } catch (Throwable e) { 853 reportWtf("making Battery Service ready", e); 854 } 855 try { 856 if (networkManagementF != null) networkManagementF.systemReady(); 857 } catch (Throwable e) { 858 reportWtf("making Network Managment Service ready", e); 859 } 860 try { 861 if (networkStatsF != null) networkStatsF.systemReady(); 862 } catch (Throwable e) { 863 reportWtf("making Network Stats Service ready", e); 864 } 865 try { 866 if (networkPolicyF != null) networkPolicyF.systemReady(); 867 } catch (Throwable e) { 868 reportWtf("making Network Policy Service ready", e); 869 } 870 try { 871 if (connectivityF != null) connectivityF.systemReady(); 872 } catch (Throwable e) { 873 reportWtf("making Connectivity Service ready", e); 874 } 875 try { 876 if (dockF != null) dockF.systemReady(); 877 } catch (Throwable e) { 878 reportWtf("making Dock Service ready", e); 879 } 880 try { 881 if (usbF != null) usbF.systemReady(); 882 } catch (Throwable e) { 883 reportWtf("making USB Service ready", e); 884 } 885 try { 886 if (twilightF != null) twilightF.systemReady(); 887 } catch (Throwable e) { 888 reportWtf("makin Twilight Service ready", e); 889 } 890 try { 891 if (uiModeF != null) uiModeF.systemReady(); 892 } catch (Throwable e) { 893 reportWtf("making UI Mode Service ready", e); 894 } 895 try { 896 if (recognitionF != null) recognitionF.systemReady(); 897 } catch (Throwable e) { 898 reportWtf("making Recognition Service ready", e); 899 } 900 Watchdog.getInstance().start(); 901 902 // It is now okay to let the various system services start their 903 // third party code... 904 905 try { 906 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 907 } catch (Throwable e) { 908 reportWtf("making App Widget Service ready", e); 909 } 910 try { 911 if (wallpaperF != null) wallpaperF.systemReady(); 912 } catch (Throwable e) { 913 reportWtf("making Wallpaper Service ready", e); 914 } 915 try { 916 if (immF != null) immF.systemReady(statusBarF); 917 } catch (Throwable e) { 918 reportWtf("making Input Method Service ready", e); 919 } 920 try { 921 if (locationF != null) locationF.systemReady(); 922 } catch (Throwable e) { 923 reportWtf("making Location Service ready", e); 924 } 925 try { 926 if (countryDetectorF != null) countryDetectorF.systemReady(); 927 } catch (Throwable e) { 928 reportWtf("making Country Detector Service ready", e); 929 } 930 try { 931 if (throttleF != null) throttleF.systemReady(); 932 } catch (Throwable e) { 933 reportWtf("making Throttle Service ready", e); 934 } 935 try { 936 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 937 } catch (Throwable e) { 938 reportWtf("making Network Time Service ready", e); 939 } 940 try { 941 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 942 } catch (Throwable e) { 943 reportWtf("making Common time management service ready", e); 944 } 945 try { 946 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 947 } catch (Throwable e) { 948 reportWtf("making Text Services Manager Service ready", e); 949 } 950 try { 951 if (dreamyF != null) dreamyF.systemReady(); 952 } catch (Throwable e) { 953 reportWtf("making DreamManagerService ready", e); 954 } 955 try { 956 // TODO(BT) Pass parameter to input manager 957 if (inputManagerF != null) inputManagerF.systemReady(); 958 } catch (Throwable e) { 959 reportWtf("making InputManagerService ready", e); 960 } 961 } 962 }); 963 964 // For debug builds, log event loop stalls to dropbox for analysis. 965 if (StrictMode.conditionallyEnableDebugLogging()) { 966 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 967 } 968 969 Looper.loop(); 970 Slog.d(TAG, "System ServerThread is exiting!"); 971 } 972 973 static final void startSystemUi(Context context) { 974 Intent intent = new Intent(); 975 intent.setComponent(new ComponentName("com.android.systemui", 976 "com.android.systemui.SystemUIService")); 977 Slog.d(TAG, "Starting service: " + intent); 978 context.startService(intent); 979 } 980} 981 982public class SystemServer { 983 private static final String TAG = "SystemServer"; 984 985 public static final int FACTORY_TEST_OFF = 0; 986 public static final int FACTORY_TEST_LOW_LEVEL = 1; 987 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 988 989 static Timer timer; 990 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 991 992 // The earliest supported time. We pick one day into 1970, to 993 // give any timezone code room without going into negative time. 994 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 995 996 /** 997 * This method is called from Zygote to initialize the system. This will cause the native 998 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 999 * up into init2() to start the Android services. 1000 */ 1001 native public static void init1(String[] args); 1002 1003 public static void main(String[] args) { 1004 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1005 // If a device's clock is before 1970 (before 0), a lot of 1006 // APIs crash dealing with negative numbers, notably 1007 // java.io.File#setLastModified, so instead we fake it and 1008 // hope that time from cell towers or NTP fixes it 1009 // shortly. 1010 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1011 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1012 } 1013 1014 if (SamplingProfilerIntegration.isEnabled()) { 1015 SamplingProfilerIntegration.start(); 1016 timer = new Timer(); 1017 timer.schedule(new TimerTask() { 1018 @Override 1019 public void run() { 1020 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1021 } 1022 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1023 } 1024 1025 // Mmmmmm... more memory! 1026 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1027 1028 // The system server has to run all of the time, so it needs to be 1029 // as efficient as possible with its memory usage. 1030 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1031 1032 System.loadLibrary("android_servers"); 1033 init1(args); 1034 } 1035 1036 public static final void init2() { 1037 Slog.i(TAG, "Entered the Android system server!"); 1038 Thread thr = new ServerThread(); 1039 thr.setName("android.server.ServerThread"); 1040 thr.start(); 1041 } 1042} 1043