SystemServer.java revision 58d380d2af8079075e4773a3e5ca6c2820760e3d
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.app.ActivityManagerNative; 20import android.bluetooth.BluetoothAdapter; 21import android.content.ComponentName; 22import android.content.ContentResolver; 23import android.content.Context; 24import android.content.Intent; 25import android.content.pm.IPackageManager; 26import android.content.res.Configuration; 27import android.media.AudioService; 28import android.net.wifi.p2p.WifiP2pService; 29import android.os.Handler; 30import android.os.HandlerThread; 31import android.os.Looper; 32import android.os.RemoteException; 33import android.os.ServiceManager; 34import android.os.StrictMode; 35import android.os.SystemClock; 36import android.os.SystemProperties; 37import android.os.UserHandle; 38import android.service.dreams.DreamService; 39import android.util.DisplayMetrics; 40import android.util.EventLog; 41import android.util.Log; 42import android.util.Slog; 43import android.view.WindowManager; 44 45import com.android.internal.os.BinderInternal; 46import com.android.internal.os.SamplingProfilerIntegration; 47import com.android.server.accessibility.AccessibilityManagerService; 48import com.android.server.accounts.AccountManagerService; 49import com.android.server.am.ActivityManagerService; 50import com.android.server.am.BatteryStatsService; 51import com.android.server.content.ContentService; 52import com.android.server.display.DisplayManagerService; 53import com.android.server.dreams.DreamManagerService; 54import com.android.server.input.InputManagerService; 55import com.android.server.net.NetworkPolicyManagerService; 56import com.android.server.net.NetworkStatsService; 57import com.android.server.os.SchedulingPolicyService; 58import com.android.server.pm.Installer; 59import com.android.server.pm.PackageManagerService; 60import com.android.server.pm.UserManagerService; 61import com.android.server.power.PowerManagerService; 62import com.android.server.power.ShutdownThread; 63import com.android.server.search.SearchManagerService; 64import com.android.server.usb.UsbService; 65import com.android.server.wifi.WifiService; 66import com.android.server.wm.WindowManagerService; 67 68import dalvik.system.VMRuntime; 69import dalvik.system.Zygote; 70 71import java.io.File; 72import java.util.Timer; 73import java.util.TimerTask; 74 75class ServerThread extends Thread { 76 private static final String TAG = "SystemServer"; 77 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 78 private static final String ENCRYPTED_STATE = "1"; 79 80 ContentResolver mContentResolver; 81 82 void reportWtf(String msg, Throwable e) { 83 Slog.w(TAG, "***********************************************"); 84 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 85 } 86 87 @Override 88 public void run() { 89 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 90 SystemClock.uptimeMillis()); 91 92 Looper.prepareMainLooper(); 93 94 android.os.Process.setThreadPriority( 95 android.os.Process.THREAD_PRIORITY_FOREGROUND); 96 97 BinderInternal.disableBackgroundScheduling(true); 98 android.os.Process.setCanSelfBackground(false); 99 100 // Check whether we failed to shut down last time we tried. 101 { 102 final String shutdownAction = SystemProperties.get( 103 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 104 if (shutdownAction != null && shutdownAction.length() > 0) { 105 boolean reboot = (shutdownAction.charAt(0) == '1'); 106 107 final String reason; 108 if (shutdownAction.length() > 1) { 109 reason = shutdownAction.substring(1, shutdownAction.length()); 110 } else { 111 reason = null; 112 } 113 114 ShutdownThread.rebootOrShutdown(reboot, reason); 115 } 116 } 117 118 String factoryTestStr = SystemProperties.get("ro.factorytest"); 119 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 120 : Integer.parseInt(factoryTestStr); 121 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 122 123 Installer installer = null; 124 AccountManagerService accountManager = null; 125 ContentService contentService = null; 126 LightsService lights = null; 127 PowerManagerService power = null; 128 DisplayManagerService display = null; 129 BatteryService battery = null; 130 VibratorService vibrator = null; 131 AlarmManagerService alarm = null; 132 MountService mountService = null; 133 NetworkManagementService networkManagement = null; 134 NetworkStatsService networkStats = null; 135 NetworkPolicyManagerService networkPolicy = null; 136 ConnectivityService connectivity = null; 137 WifiP2pService wifiP2p = null; 138 WifiService wifi = null; 139 NsdService serviceDiscovery= null; 140 IPackageManager pm = null; 141 Context context = null; 142 WindowManagerService wm = null; 143 BluetoothManagerService bluetooth = null; 144 DockObserver dock = null; 145 UsbService usb = null; 146 SerialService serial = null; 147 TwilightService twilight = null; 148 UiModeManagerService uiMode = null; 149 RecognitionManagerService recognition = null; 150 NetworkTimeUpdateService networkTimeUpdater = null; 151 CommonTimeManagementService commonTimeMgmtService = null; 152 InputManagerService inputManager = null; 153 TelephonyRegistry telephonyRegistry = null; 154 155 // Create a shared handler thread for UI within the system server. 156 // This thread is used by at least the following components: 157 // - WindowManagerPolicy 158 // - KeyguardViewManager 159 // - DisplayManagerService 160 HandlerThread uiHandlerThread = new HandlerThread("UI"); 161 uiHandlerThread.start(); 162 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 163 uiHandler.post(new Runnable() { 164 @Override 165 public void run() { 166 //Looper.myLooper().setMessageLogging(new LogPrinter( 167 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 168 android.os.Process.setThreadPriority( 169 android.os.Process.THREAD_PRIORITY_FOREGROUND); 170 android.os.Process.setCanSelfBackground(false); 171 172 // For debug builds, log event loop stalls to dropbox for analysis. 173 if (StrictMode.conditionallyEnableDebugLogging()) { 174 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 175 } 176 } 177 }); 178 179 // Create a handler thread just for the window manager to enjoy. 180 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 181 wmHandlerThread.start(); 182 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 183 wmHandler.post(new Runnable() { 184 @Override 185 public void run() { 186 //Looper.myLooper().setMessageLogging(new LogPrinter( 187 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 188 android.os.Process.setThreadPriority( 189 android.os.Process.THREAD_PRIORITY_DISPLAY); 190 android.os.Process.setCanSelfBackground(false); 191 192 // For debug builds, log event loop stalls to dropbox for analysis. 193 if (StrictMode.conditionallyEnableDebugLogging()) { 194 Slog.i(TAG, "Enabled StrictMode logging for WM Looper"); 195 } 196 } 197 }); 198 199 // Critical services... 200 boolean onlyCore = false; 201 try { 202 // Wait for installd to finished starting up so that it has a chance to 203 // create critical directories such as /data/user with the appropriate 204 // permissions. We need this to complete before we initialize other services. 205 Slog.i(TAG, "Waiting for installd to be ready."); 206 installer = new Installer(); 207 installer.ping(); 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 telephonyRegistry = new TelephonyRegistry(context); 222 ServiceManager.addService("telephony.registry", telephonyRegistry); 223 224 Slog.i(TAG, "Scheduling Policy"); 225 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 226 new SchedulingPolicyService()); 227 228 AttributeCache.init(context); 229 230 if (!display.waitForDefaultDisplay()) { 231 reportWtf("Timeout waiting for default display to be initialized.", 232 new Throwable()); 233 } 234 235 Slog.i(TAG, "Package Manager"); 236 // Only run "core" apps if we're encrypting the device. 237 String cryptState = SystemProperties.get("vold.decrypt"); 238 if (ENCRYPTING_STATE.equals(cryptState)) { 239 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 240 onlyCore = true; 241 } else if (ENCRYPTED_STATE.equals(cryptState)) { 242 Slog.w(TAG, "Device encrypted - only parsing core apps"); 243 onlyCore = true; 244 } 245 246 pm = PackageManagerService.main(context, installer, 247 factoryTest != SystemServer.FACTORY_TEST_OFF, 248 onlyCore); 249 boolean firstBoot = false; 250 try { 251 firstBoot = pm.isFirstBoot(); 252 } catch (RemoteException e) { 253 } 254 255 ActivityManagerService.setSystemProcess(); 256 257 Slog.i(TAG, "Entropy Mixer"); 258 ServiceManager.addService("entropy", new EntropyMixer(context)); 259 260 Slog.i(TAG, "User Service"); 261 ServiceManager.addService(Context.USER_SERVICE, 262 UserManagerService.getInstance()); 263 264 mContentResolver = context.getContentResolver(); 265 266 // The AccountManager must come before the ContentService 267 try { 268 Slog.i(TAG, "Account Manager"); 269 accountManager = new AccountManagerService(context); 270 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 271 } catch (Throwable e) { 272 Slog.e(TAG, "Failure starting Account Manager", e); 273 } 274 275 Slog.i(TAG, "Content Manager"); 276 contentService = ContentService.main(context, 277 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 278 279 Slog.i(TAG, "System Content Providers"); 280 ActivityManagerService.installSystemProviders(); 281 282 Slog.i(TAG, "Lights Service"); 283 lights = new LightsService(context); 284 285 Slog.i(TAG, "Battery Service"); 286 battery = new BatteryService(context, lights); 287 ServiceManager.addService("battery", battery); 288 289 Slog.i(TAG, "Vibrator Service"); 290 vibrator = new VibratorService(context); 291 ServiceManager.addService("vibrator", vibrator); 292 293 // only initialize the power service after we have started the 294 // lights service, content providers and the battery service. 295 power.init(context, lights, ActivityManagerService.self(), battery, 296 BatteryStatsService.getService(), display); 297 298 Slog.i(TAG, "Alarm Manager"); 299 alarm = new AlarmManagerService(context); 300 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 301 302 Slog.i(TAG, "Init Watchdog"); 303 Watchdog.getInstance().init(context, battery, power, alarm, 304 ActivityManagerService.self()); 305 306 Slog.i(TAG, "Input Manager"); 307 inputManager = new InputManagerService(context, wmHandler); 308 309 Slog.i(TAG, "Window Manager"); 310 wm = WindowManagerService.main(context, power, display, inputManager, 311 uiHandler, wmHandler, 312 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 313 !firstBoot, onlyCore); 314 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 315 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 316 317 ActivityManagerService.self().setWindowManager(wm); 318 319 inputManager.setWindowManagerCallbacks(wm.getInputMonitor()); 320 inputManager.start(); 321 322 display.setWindowManager(wm); 323 display.setInputManager(inputManager); 324 325 // Skip Bluetooth if we have an emulator kernel 326 // TODO: Use a more reliable check to see if this product should 327 // support Bluetooth - see bug 988521 328 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 329 Slog.i(TAG, "No Bluetooh Service (emulator)"); 330 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 331 Slog.i(TAG, "No Bluetooth Service (factory test)"); 332 } else { 333 Slog.i(TAG, "Bluetooth Manager Service"); 334 bluetooth = new BluetoothManagerService(context); 335 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 336 } 337 338 } catch (RuntimeException e) { 339 Slog.e("System", "******************************************"); 340 Slog.e("System", "************ Failure starting core service", e); 341 } 342 343 DevicePolicyManagerService devicePolicy = null; 344 StatusBarManagerService statusBar = null; 345 InputMethodManagerService imm = null; 346 AppWidgetService appWidget = null; 347 NotificationManagerService notification = null; 348 WallpaperManagerService wallpaper = null; 349 LocationManagerService location = null; 350 CountryDetectorService countryDetector = null; 351 TextServicesManagerService tsms = null; 352 LockSettingsService lockSettings = null; 353 DreamManagerService dreamy = null; 354 355 // Bring up services needed for UI. 356 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 357 try { 358 Slog.i(TAG, "Input Method Service"); 359 imm = new InputMethodManagerService(context, wm); 360 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 361 } catch (Throwable e) { 362 reportWtf("starting Input Manager Service", e); 363 } 364 365 try { 366 Slog.i(TAG, "Accessibility Manager"); 367 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 368 new AccessibilityManagerService(context)); 369 } catch (Throwable e) { 370 reportWtf("starting Accessibility Manager", e); 371 } 372 } 373 374 try { 375 wm.displayReady(); 376 } catch (Throwable e) { 377 reportWtf("making display ready", e); 378 } 379 380 try { 381 pm.performBootDexOpt(); 382 } catch (Throwable e) { 383 reportWtf("performing boot dexopt", e); 384 } 385 386 try { 387 ActivityManagerNative.getDefault().showBootMessage( 388 context.getResources().getText( 389 com.android.internal.R.string.android_upgrading_starting_apps), 390 false); 391 } catch (RemoteException e) { 392 } 393 394 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 395 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 396 try { 397 /* 398 * NotificationManagerService is dependant on MountService, 399 * (for media / usb notifications) so we must start MountService first. 400 */ 401 Slog.i(TAG, "Mount Service"); 402 mountService = new MountService(context); 403 ServiceManager.addService("mount", mountService); 404 } catch (Throwable e) { 405 reportWtf("starting Mount Service", e); 406 } 407 } 408 409 try { 410 Slog.i(TAG, "LockSettingsService"); 411 lockSettings = new LockSettingsService(context); 412 ServiceManager.addService("lock_settings", lockSettings); 413 } catch (Throwable e) { 414 reportWtf("starting LockSettingsService service", e); 415 } 416 417 try { 418 Slog.i(TAG, "Device Policy"); 419 devicePolicy = new DevicePolicyManagerService(context); 420 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 421 } catch (Throwable e) { 422 reportWtf("starting DevicePolicyService", e); 423 } 424 425 try { 426 Slog.i(TAG, "Status Bar"); 427 statusBar = new StatusBarManagerService(context, wm); 428 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 429 } catch (Throwable e) { 430 reportWtf("starting StatusBarManagerService", e); 431 } 432 433 try { 434 Slog.i(TAG, "Clipboard Service"); 435 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 436 new ClipboardService(context)); 437 } catch (Throwable e) { 438 reportWtf("starting Clipboard Service", e); 439 } 440 441 try { 442 Slog.i(TAG, "NetworkManagement Service"); 443 networkManagement = NetworkManagementService.create(context); 444 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 445 } catch (Throwable e) { 446 reportWtf("starting NetworkManagement Service", e); 447 } 448 449 try { 450 Slog.i(TAG, "Text Service Manager Service"); 451 tsms = new TextServicesManagerService(context); 452 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 453 } catch (Throwable e) { 454 reportWtf("starting Text Service Manager Service", e); 455 } 456 457 try { 458 Slog.i(TAG, "NetworkStats Service"); 459 networkStats = new NetworkStatsService(context, networkManagement, alarm); 460 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 461 } catch (Throwable e) { 462 reportWtf("starting NetworkStats Service", e); 463 } 464 465 try { 466 Slog.i(TAG, "NetworkPolicy Service"); 467 networkPolicy = new NetworkPolicyManagerService( 468 context, ActivityManagerService.self(), power, 469 networkStats, networkManagement); 470 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 471 } catch (Throwable e) { 472 reportWtf("starting NetworkPolicy Service", e); 473 } 474 475 try { 476 Slog.i(TAG, "Wi-Fi P2pService"); 477 wifiP2p = new WifiP2pService(context); 478 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 479 } catch (Throwable e) { 480 reportWtf("starting Wi-Fi P2pService", e); 481 } 482 483 try { 484 Slog.i(TAG, "Wi-Fi Service"); 485 wifi = new WifiService(context); 486 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 487 } catch (Throwable e) { 488 reportWtf("starting Wi-Fi Service", e); 489 } 490 491 try { 492 Slog.i(TAG, "Connectivity Service"); 493 connectivity = new ConnectivityService( 494 context, networkManagement, networkStats, networkPolicy); 495 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 496 networkStats.bindConnectivityManager(connectivity); 497 networkPolicy.bindConnectivityManager(connectivity); 498 wifi.checkAndStartWifi(); 499 wifiP2p.connectivityServiceReady(); 500 } catch (Throwable e) { 501 reportWtf("starting Connectivity Service", e); 502 } 503 504 try { 505 Slog.i(TAG, "Network Service Discovery Service"); 506 serviceDiscovery = NsdService.create(context); 507 ServiceManager.addService( 508 Context.NSD_SERVICE, serviceDiscovery); 509 } catch (Throwable e) { 510 reportWtf("starting Service Discovery Service", 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 Manager"); 625 // Listen for wired headset changes 626 inputManager.setWiredAccessoryCallbacks( 627 new WiredAccessoryManager(context, inputManager)); 628 } catch (Throwable e) { 629 reportWtf("starting WiredAccessoryManager", e); 630 } 631 632 try { 633 Slog.i(TAG, "USB Service"); 634 // Manage USB host and device support 635 usb = new UsbService(context); 636 ServiceManager.addService(Context.USB_SERVICE, usb); 637 } catch (Throwable e) { 638 reportWtf("starting UsbService", e); 639 } 640 641 try { 642 Slog.i(TAG, "Serial Service"); 643 // Serial port support 644 serial = new SerialService(context); 645 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 646 } catch (Throwable e) { 647 Slog.e(TAG, "Failure starting SerialService", e); 648 } 649 650 try { 651 Slog.i(TAG, "Twilight Service"); 652 twilight = new TwilightService(context); 653 } catch (Throwable e) { 654 reportWtf("starting TwilightService", e); 655 } 656 657 try { 658 Slog.i(TAG, "UI Mode Manager Service"); 659 // Listen for UI mode changes 660 uiMode = new UiModeManagerService(context, twilight); 661 } catch (Throwable e) { 662 reportWtf("starting UiModeManagerService", e); 663 } 664 665 try { 666 Slog.i(TAG, "Backup Service"); 667 ServiceManager.addService(Context.BACKUP_SERVICE, 668 new BackupManagerService(context)); 669 } catch (Throwable e) { 670 Slog.e(TAG, "Failure starting Backup Service", e); 671 } 672 673 try { 674 Slog.i(TAG, "AppWidget Service"); 675 appWidget = new AppWidgetService(context); 676 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 677 } catch (Throwable e) { 678 reportWtf("starting AppWidget Service", e); 679 } 680 681 try { 682 Slog.i(TAG, "Recognition Service"); 683 recognition = new RecognitionManagerService(context); 684 } catch (Throwable e) { 685 reportWtf("starting Recognition Service", e); 686 } 687 688 try { 689 Slog.i(TAG, "DiskStats Service"); 690 ServiceManager.addService("diskstats", new DiskStatsService(context)); 691 } catch (Throwable e) { 692 reportWtf("starting DiskStats Service", e); 693 } 694 695 try { 696 // need to add this service even if SamplingProfilerIntegration.isEnabled() 697 // is false, because it is this service that detects system property change and 698 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 699 // there is little overhead for running this service. 700 Slog.i(TAG, "SamplingProfiler Service"); 701 ServiceManager.addService("samplingprofiler", 702 new SamplingProfilerService(context)); 703 } catch (Throwable e) { 704 reportWtf("starting SamplingProfiler Service", e); 705 } 706 707 try { 708 Slog.i(TAG, "NetworkTimeUpdateService"); 709 networkTimeUpdater = new NetworkTimeUpdateService(context); 710 } catch (Throwable e) { 711 reportWtf("starting NetworkTimeUpdate service", e); 712 } 713 714 try { 715 Slog.i(TAG, "CommonTimeManagementService"); 716 commonTimeMgmtService = new CommonTimeManagementService(context); 717 ServiceManager.addService("commontime_management", commonTimeMgmtService); 718 } catch (Throwable e) { 719 reportWtf("starting CommonTimeManagementService service", e); 720 } 721 722 try { 723 Slog.i(TAG, "CertBlacklister"); 724 CertBlacklister blacklister = new CertBlacklister(context); 725 } catch (Throwable e) { 726 reportWtf("starting CertBlacklister", e); 727 } 728 729 if (context.getResources().getBoolean( 730 com.android.internal.R.bool.config_dreamsSupported)) { 731 try { 732 Slog.i(TAG, "Dreams Service"); 733 // Dreams (interactive idle-time views, a/k/a screen savers) 734 dreamy = new DreamManagerService(context, wmHandler); 735 ServiceManager.addService(DreamService.DREAM_SERVICE, dreamy); 736 } catch (Throwable e) { 737 reportWtf("starting DreamManagerService", e); 738 } 739 } 740 741 try { 742 Slog.i(TAG, "IdleMaintenanceService"); 743 new IdleMaintenanceService(context); 744 } catch (Throwable e) { 745 reportWtf("starting IdleMaintenanceService", e); 746 } 747 } 748 749 // Before things start rolling, be sure we have decided whether 750 // we are in safe mode. 751 final boolean safeMode = wm.detectSafeMode(); 752 if (safeMode) { 753 ActivityManagerService.self().enterSafeMode(); 754 // Post the safe mode state in the Zygote class 755 Zygote.systemInSafeMode = true; 756 // Disable the JIT for the system_server process 757 VMRuntime.getRuntime().disableJitCompilation(); 758 } else { 759 // Enable the JIT for the system_server process 760 VMRuntime.getRuntime().startJitCompilation(); 761 } 762 763 // It is now time to start up the app processes... 764 765 try { 766 vibrator.systemReady(); 767 } catch (Throwable e) { 768 reportWtf("making Vibrator Service ready", e); 769 } 770 771 try { 772 lockSettings.systemReady(); 773 } catch (Throwable e) { 774 reportWtf("making Lock Settings Service ready", e); 775 } 776 777 if (devicePolicy != null) { 778 try { 779 devicePolicy.systemReady(); 780 } catch (Throwable e) { 781 reportWtf("making Device Policy Service ready", e); 782 } 783 } 784 785 if (notification != null) { 786 try { 787 notification.systemReady(); 788 } catch (Throwable e) { 789 reportWtf("making Notification Service ready", e); 790 } 791 } 792 793 try { 794 wm.systemReady(); 795 } catch (Throwable e) { 796 reportWtf("making Window Manager Service ready", e); 797 } 798 799 if (safeMode) { 800 ActivityManagerService.self().showSafeModeOverlay(); 801 } 802 803 // Update the configuration for this context by hand, because we're going 804 // to start using it before the config change done in wm.systemReady() will 805 // propagate to it. 806 Configuration config = wm.computeNewConfiguration(); 807 DisplayMetrics metrics = new DisplayMetrics(); 808 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 809 w.getDefaultDisplay().getMetrics(metrics); 810 context.getResources().updateConfiguration(config, metrics); 811 812 try { 813 power.systemReady(twilight, dreamy); 814 } catch (Throwable e) { 815 reportWtf("making Power Manager Service ready", e); 816 } 817 818 try { 819 pm.systemReady(); 820 } catch (Throwable e) { 821 reportWtf("making Package Manager Service ready", e); 822 } 823 824 try { 825 display.systemReady(safeMode, onlyCore); 826 } catch (Throwable e) { 827 reportWtf("making Display Manager Service ready", e); 828 } 829 830 // These are needed to propagate to the runnable below. 831 final Context contextF = context; 832 final MountService mountServiceF = mountService; 833 final BatteryService batteryF = battery; 834 final NetworkManagementService networkManagementF = networkManagement; 835 final NetworkStatsService networkStatsF = networkStats; 836 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 837 final ConnectivityService connectivityF = connectivity; 838 final DockObserver dockF = dock; 839 final UsbService usbF = usb; 840 final TwilightService twilightF = twilight; 841 final UiModeManagerService uiModeF = uiMode; 842 final AppWidgetService appWidgetF = appWidget; 843 final WallpaperManagerService wallpaperF = wallpaper; 844 final InputMethodManagerService immF = imm; 845 final RecognitionManagerService recognitionF = recognition; 846 final LocationManagerService locationF = location; 847 final CountryDetectorService countryDetectorF = countryDetector; 848 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 849 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 850 final TextServicesManagerService textServiceManagerServiceF = tsms; 851 final StatusBarManagerService statusBarF = statusBar; 852 final DreamManagerService dreamyF = dreamy; 853 final InputManagerService inputManagerF = inputManager; 854 final TelephonyRegistry telephonyRegistryF = telephonyRegistry; 855 856 // We now tell the activity manager it is okay to run third party 857 // code. It will call back into us once it has gotten to the state 858 // where third party code can really run (but before it has actually 859 // started launching the initial applications), for us to complete our 860 // initialization. 861 ActivityManagerService.self().systemReady(new Runnable() { 862 public void run() { 863 Slog.i(TAG, "Making services ready"); 864 865 try { 866 ActivityManagerService.self().startObservingNativeCrashes(); 867 } catch (Throwable e) { 868 reportWtf("observing native crashes", e); 869 } 870 if (!headless) startSystemUi(contextF); 871 try { 872 if (mountServiceF != null) mountServiceF.systemReady(); 873 } catch (Throwable e) { 874 reportWtf("making Mount Service ready", e); 875 } 876 try { 877 if (batteryF != null) batteryF.systemReady(); 878 } catch (Throwable e) { 879 reportWtf("making Battery Service ready", e); 880 } 881 try { 882 if (networkManagementF != null) networkManagementF.systemReady(); 883 } catch (Throwable e) { 884 reportWtf("making Network Managment Service ready", e); 885 } 886 try { 887 if (networkStatsF != null) networkStatsF.systemReady(); 888 } catch (Throwable e) { 889 reportWtf("making Network Stats Service ready", e); 890 } 891 try { 892 if (networkPolicyF != null) networkPolicyF.systemReady(); 893 } catch (Throwable e) { 894 reportWtf("making Network Policy Service ready", e); 895 } 896 try { 897 if (connectivityF != null) connectivityF.systemReady(); 898 } catch (Throwable e) { 899 reportWtf("making Connectivity Service ready", e); 900 } 901 try { 902 if (dockF != null) dockF.systemReady(); 903 } catch (Throwable e) { 904 reportWtf("making Dock Service ready", e); 905 } 906 try { 907 if (usbF != null) usbF.systemReady(); 908 } catch (Throwable e) { 909 reportWtf("making USB Service ready", e); 910 } 911 try { 912 if (twilightF != null) twilightF.systemReady(); 913 } catch (Throwable e) { 914 reportWtf("makin Twilight Service ready", e); 915 } 916 try { 917 if (uiModeF != null) uiModeF.systemReady(); 918 } catch (Throwable e) { 919 reportWtf("making UI Mode Service ready", e); 920 } 921 try { 922 if (recognitionF != null) recognitionF.systemReady(); 923 } catch (Throwable e) { 924 reportWtf("making Recognition Service ready", e); 925 } 926 Watchdog.getInstance().start(); 927 928 // It is now okay to let the various system services start their 929 // third party code... 930 931 try { 932 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 933 } catch (Throwable e) { 934 reportWtf("making App Widget Service ready", e); 935 } 936 try { 937 if (wallpaperF != null) wallpaperF.systemReady(); 938 } catch (Throwable e) { 939 reportWtf("making Wallpaper Service ready", e); 940 } 941 try { 942 if (immF != null) immF.systemReady(statusBarF); 943 } catch (Throwable e) { 944 reportWtf("making Input Method Service ready", e); 945 } 946 try { 947 if (locationF != null) locationF.systemReady(); 948 } catch (Throwable e) { 949 reportWtf("making Location Service ready", e); 950 } 951 try { 952 if (countryDetectorF != null) countryDetectorF.systemReady(); 953 } catch (Throwable e) { 954 reportWtf("making Country Detector Service ready", e); 955 } 956 try { 957 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 958 } catch (Throwable e) { 959 reportWtf("making Network Time Service ready", e); 960 } 961 try { 962 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 963 } catch (Throwable e) { 964 reportWtf("making Common time management service ready", e); 965 } 966 try { 967 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 968 } catch (Throwable e) { 969 reportWtf("making Text Services Manager Service ready", e); 970 } 971 try { 972 if (dreamyF != null) dreamyF.systemReady(); 973 } catch (Throwable e) { 974 reportWtf("making DreamManagerService ready", e); 975 } 976 try { 977 // TODO(BT) Pass parameter to input manager 978 if (inputManagerF != null) inputManagerF.systemReady(); 979 } catch (Throwable e) { 980 reportWtf("making InputManagerService ready", e); 981 } 982 try { 983 if (telephonyRegistryF != null) telephonyRegistryF.systemReady(); 984 } catch (Throwable e) { 985 reportWtf("making TelephonyRegistry ready", e); 986 } 987 } 988 }); 989 990 // For debug builds, log event loop stalls to dropbox for analysis. 991 if (StrictMode.conditionallyEnableDebugLogging()) { 992 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 993 } 994 995 Looper.loop(); 996 Slog.d(TAG, "System ServerThread is exiting!"); 997 } 998 999 static final void startSystemUi(Context context) { 1000 Intent intent = new Intent(); 1001 intent.setComponent(new ComponentName("com.android.systemui", 1002 "com.android.systemui.SystemUIService")); 1003 //Slog.d(TAG, "Starting service: " + intent); 1004 context.startServiceAsUser(intent, UserHandle.OWNER); 1005 } 1006} 1007 1008public class SystemServer { 1009 private static final String TAG = "SystemServer"; 1010 1011 public static final int FACTORY_TEST_OFF = 0; 1012 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1013 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1014 1015 static Timer timer; 1016 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1017 1018 // The earliest supported time. We pick one day into 1970, to 1019 // give any timezone code room without going into negative time. 1020 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1021 1022 /** 1023 * This method is called from Zygote to initialize the system. This will cause the native 1024 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1025 * up into init2() to start the Android services. 1026 */ 1027 native public static void init1(String[] args); 1028 1029 public static void main(String[] args) { 1030 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1031 // If a device's clock is before 1970 (before 0), a lot of 1032 // APIs crash dealing with negative numbers, notably 1033 // java.io.File#setLastModified, so instead we fake it and 1034 // hope that time from cell towers or NTP fixes it 1035 // shortly. 1036 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1037 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1038 } 1039 1040 if (SamplingProfilerIntegration.isEnabled()) { 1041 SamplingProfilerIntegration.start(); 1042 timer = new Timer(); 1043 timer.schedule(new TimerTask() { 1044 @Override 1045 public void run() { 1046 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1047 } 1048 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1049 } 1050 1051 // Mmmmmm... more memory! 1052 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1053 1054 // The system server has to run all of the time, so it needs to be 1055 // as efficient as possible with its memory usage. 1056 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1057 1058 System.loadLibrary("android_servers"); 1059 init1(args); 1060 } 1061 1062 public static final void init2() { 1063 Slog.i(TAG, "Entered the Android system server!"); 1064 Thread thr = new ServerThread(); 1065 thr.setName("android.server.ServerThread"); 1066 thr.start(); 1067 } 1068} 1069