SystemServer.java revision ed108f3d125b0a4cc465057e3514caf781cdea19
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.service.dreams.DreamService; 42import android.util.DisplayMetrics; 43import android.util.EventLog; 44import android.util.Log; 45import android.util.Slog; 46import android.view.WindowManager; 47 48import com.android.internal.os.BinderInternal; 49import com.android.internal.os.SamplingProfilerIntegration; 50import com.android.internal.widget.LockSettingsService; 51import com.android.server.accessibility.AccessibilityManagerService; 52import com.android.server.am.ActivityManagerService; 53import com.android.server.am.BatteryStatsService; 54import com.android.server.display.DisplayManagerService; 55import com.android.server.dreams.DreamManagerService; 56import com.android.server.input.InputManagerService; 57import com.android.server.net.NetworkPolicyManagerService; 58import com.android.server.net.NetworkStatsService; 59import com.android.server.pm.Installer; 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 Installer installer = null; 123 AccountManagerService accountManager = null; 124 ContentService contentService = null; 125 LightsService lights = null; 126 PowerManagerService power = null; 127 DisplayManagerService display = null; 128 BatteryService battery = null; 129 VibratorService vibrator = null; 130 AlarmManagerService alarm = null; 131 MountService mountService = null; 132 NetworkManagementService networkManagement = null; 133 NetworkStatsService networkStats = null; 134 NetworkPolicyManagerService networkPolicy = null; 135 ConnectivityService connectivity = null; 136 WifiP2pService wifiP2p = null; 137 WifiService wifi = null; 138 NsdService serviceDiscovery= null; 139 IPackageManager pm = null; 140 Context context = null; 141 WindowManagerService wm = null; 142 BluetoothManagerService bluetooth = null; 143 DockObserver dock = null; 144 UsbService usb = null; 145 SerialService serial = null; 146 TwilightService twilight = null; 147 UiModeManagerService uiMode = null; 148 RecognitionManagerService recognition = null; 149 ThrottleService throttle = 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, "Entropy Mixer"); 210 ServiceManager.addService("entropy", new EntropyMixer()); 211 212 Slog.i(TAG, "Power Manager"); 213 power = new PowerManagerService(); 214 ServiceManager.addService(Context.POWER_SERVICE, power); 215 216 Slog.i(TAG, "Activity Manager"); 217 context = ActivityManagerService.main(factoryTest); 218 219 Slog.i(TAG, "Display Manager"); 220 display = new DisplayManagerService(context, wmHandler, uiHandler); 221 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 222 223 Slog.i(TAG, "Telephony Registry"); 224 telephonyRegistry = new TelephonyRegistry(context); 225 ServiceManager.addService("telephony.registry", telephonyRegistry); 226 227 Slog.i(TAG, "Scheduling Policy"); 228 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 229 new SchedulingPolicyService()); 230 231 AttributeCache.init(context); 232 233 if (!display.waitForDefaultDisplay()) { 234 reportWtf("Timeout waiting for default display to be initialized.", 235 new Throwable()); 236 } 237 238 Slog.i(TAG, "Package Manager"); 239 // Only run "core" apps if we're encrypting the device. 240 String cryptState = SystemProperties.get("vold.decrypt"); 241 if (ENCRYPTING_STATE.equals(cryptState)) { 242 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 243 onlyCore = true; 244 } else if (ENCRYPTED_STATE.equals(cryptState)) { 245 Slog.w(TAG, "Device encrypted - only parsing core apps"); 246 onlyCore = true; 247 } 248 249 pm = PackageManagerService.main(context, installer, 250 factoryTest != SystemServer.FACTORY_TEST_OFF, 251 onlyCore); 252 boolean firstBoot = false; 253 try { 254 firstBoot = pm.isFirstBoot(); 255 } catch (RemoteException e) { 256 } 257 258 ActivityManagerService.setSystemProcess(); 259 260 Slog.i(TAG, "User Service"); 261 ServiceManager.addService(Context.USER_SERVICE, 262 UserManagerService.getInstance()); 263 264 265 mContentResolver = context.getContentResolver(); 266 267 // The AccountManager must come before the ContentService 268 try { 269 Slog.i(TAG, "Account Manager"); 270 accountManager = new AccountManagerService(context); 271 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 272 } catch (Throwable e) { 273 Slog.e(TAG, "Failure starting Account Manager", e); 274 } 275 276 Slog.i(TAG, "Content Manager"); 277 contentService = ContentService.main(context, 278 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 279 280 Slog.i(TAG, "System Content Providers"); 281 ActivityManagerService.installSystemProviders(); 282 283 Slog.i(TAG, "Lights Service"); 284 lights = new LightsService(context); 285 286 Slog.i(TAG, "Battery Service"); 287 battery = new BatteryService(context, lights); 288 ServiceManager.addService("battery", battery); 289 290 Slog.i(TAG, "Vibrator Service"); 291 vibrator = new VibratorService(context); 292 ServiceManager.addService("vibrator", vibrator); 293 294 // only initialize the power service after we have started the 295 // lights service, content providers and the battery service. 296 power.init(context, lights, ActivityManagerService.self(), battery, 297 BatteryStatsService.getService(), display); 298 299 Slog.i(TAG, "Alarm Manager"); 300 alarm = new AlarmManagerService(context); 301 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 302 303 Slog.i(TAG, "Init Watchdog"); 304 Watchdog.getInstance().init(context, battery, power, alarm, 305 ActivityManagerService.self()); 306 307 Slog.i(TAG, "Input Manager"); 308 inputManager = new InputManagerService(context, wmHandler); 309 310 Slog.i(TAG, "Window Manager"); 311 wm = WindowManagerService.main(context, power, display, inputManager, 312 uiHandler, wmHandler, 313 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 314 !firstBoot, onlyCore); 315 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 316 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 317 318 ActivityManagerService.self().setWindowManager(wm); 319 320 inputManager.setWindowManagerCallbacks(wm.getInputMonitor()); 321 inputManager.start(); 322 323 display.setWindowManager(wm); 324 display.setInputManager(inputManager); 325 326 // Skip Bluetooth if we have an emulator kernel 327 // TODO: Use a more reliable check to see if this product should 328 // support Bluetooth - see bug 988521 329 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 330 Slog.i(TAG, "No Bluetooh Service (emulator)"); 331 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 332 Slog.i(TAG, "No Bluetooth Service (factory test)"); 333 } else { 334 Slog.i(TAG, "Bluetooth Manager Service"); 335 bluetooth = new BluetoothManagerService(context); 336 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 337 } 338 339 } catch (RuntimeException e) { 340 Slog.e("System", "******************************************"); 341 Slog.e("System", "************ Failure starting core service", e); 342 } 343 344 DevicePolicyManagerService devicePolicy = null; 345 StatusBarManagerService statusBar = null; 346 InputMethodManagerService imm = null; 347 AppWidgetService appWidget = null; 348 NotificationManagerService notification = null; 349 WallpaperManagerService wallpaper = null; 350 LocationManagerService location = null; 351 CountryDetectorService countryDetector = null; 352 TextServicesManagerService tsms = null; 353 LockSettingsService lockSettings = null; 354 DreamManagerService dreamy = null; 355 356 // Bring up services needed for UI. 357 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 358 try { 359 Slog.i(TAG, "Input Method Service"); 360 imm = new InputMethodManagerService(context, wm); 361 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 362 } catch (Throwable e) { 363 reportWtf("starting Input Manager Service", e); 364 } 365 366 try { 367 Slog.i(TAG, "Accessibility Manager"); 368 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 369 new AccessibilityManagerService(context)); 370 } catch (Throwable e) { 371 reportWtf("starting Accessibility Manager", e); 372 } 373 } 374 375 try { 376 wm.displayReady(); 377 } catch (Throwable e) { 378 reportWtf("making display ready", e); 379 } 380 381 try { 382 pm.performBootDexOpt(); 383 } catch (Throwable e) { 384 reportWtf("performing boot dexopt", e); 385 } 386 387 try { 388 ActivityManagerNative.getDefault().showBootMessage( 389 context.getResources().getText( 390 com.android.internal.R.string.android_upgrading_starting_apps), 391 false); 392 } catch (RemoteException e) { 393 } 394 395 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 396 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 397 try { 398 /* 399 * NotificationManagerService is dependant on MountService, 400 * (for media / usb notifications) so we must start MountService first. 401 */ 402 Slog.i(TAG, "Mount Service"); 403 mountService = new MountService(context); 404 ServiceManager.addService("mount", mountService); 405 } catch (Throwable e) { 406 reportWtf("starting Mount Service", e); 407 } 408 } 409 410 try { 411 Slog.i(TAG, "LockSettingsService"); 412 lockSettings = new LockSettingsService(context); 413 ServiceManager.addService("lock_settings", lockSettings); 414 } catch (Throwable e) { 415 reportWtf("starting LockSettingsService service", e); 416 } 417 418 try { 419 Slog.i(TAG, "Device Policy"); 420 devicePolicy = new DevicePolicyManagerService(context); 421 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 422 } catch (Throwable e) { 423 reportWtf("starting DevicePolicyService", e); 424 } 425 426 try { 427 Slog.i(TAG, "Status Bar"); 428 statusBar = new StatusBarManagerService(context, wm); 429 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 430 } catch (Throwable e) { 431 reportWtf("starting StatusBarManagerService", e); 432 } 433 434 try { 435 Slog.i(TAG, "Clipboard Service"); 436 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 437 new ClipboardService(context)); 438 } catch (Throwable e) { 439 reportWtf("starting Clipboard Service", e); 440 } 441 442 try { 443 Slog.i(TAG, "NetworkManagement Service"); 444 networkManagement = NetworkManagementService.create(context); 445 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 446 } catch (Throwable e) { 447 reportWtf("starting NetworkManagement Service", e); 448 } 449 450 try { 451 Slog.i(TAG, "Text Service Manager Service"); 452 tsms = new TextServicesManagerService(context); 453 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 454 } catch (Throwable e) { 455 reportWtf("starting Text Service Manager Service", e); 456 } 457 458 try { 459 Slog.i(TAG, "NetworkStats Service"); 460 networkStats = new NetworkStatsService(context, networkManagement, alarm); 461 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 462 } catch (Throwable e) { 463 reportWtf("starting NetworkStats Service", e); 464 } 465 466 try { 467 Slog.i(TAG, "NetworkPolicy Service"); 468 networkPolicy = new NetworkPolicyManagerService( 469 context, ActivityManagerService.self(), power, 470 networkStats, networkManagement); 471 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 472 } catch (Throwable e) { 473 reportWtf("starting NetworkPolicy Service", e); 474 } 475 476 try { 477 Slog.i(TAG, "Wi-Fi P2pService"); 478 wifiP2p = new WifiP2pService(context); 479 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 480 } catch (Throwable e) { 481 reportWtf("starting Wi-Fi P2pService", e); 482 } 483 484 try { 485 Slog.i(TAG, "Wi-Fi Service"); 486 wifi = new WifiService(context); 487 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 488 } catch (Throwable e) { 489 reportWtf("starting Wi-Fi Service", e); 490 } 491 492 try { 493 Slog.i(TAG, "Connectivity Service"); 494 connectivity = new ConnectivityService( 495 context, networkManagement, networkStats, networkPolicy); 496 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 497 networkStats.bindConnectivityManager(connectivity); 498 networkPolicy.bindConnectivityManager(connectivity); 499 wifi.checkAndStartWifi(); 500 wifiP2p.connectivityServiceReady(); 501 } catch (Throwable e) { 502 reportWtf("starting Connectivity Service", e); 503 } 504 505 try { 506 Slog.i(TAG, "Network Service Discovery Service"); 507 serviceDiscovery = NsdService.create(context); 508 ServiceManager.addService( 509 Context.NSD_SERVICE, serviceDiscovery); 510 } catch (Throwable e) { 511 reportWtf("starting Service Discovery Service", e); 512 } 513 514 try { 515 Slog.i(TAG, "Throttle Service"); 516 throttle = new ThrottleService(context); 517 ServiceManager.addService( 518 Context.THROTTLE_SERVICE, throttle); 519 } catch (Throwable e) { 520 reportWtf("starting ThrottleService", e); 521 } 522 523 try { 524 Slog.i(TAG, "UpdateLock Service"); 525 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 526 new UpdateLockService(context)); 527 } catch (Throwable e) { 528 reportWtf("starting UpdateLockService", e); 529 } 530 531 /* 532 * MountService has a few dependencies: Notification Manager and 533 * AppWidget Provider. Make sure MountService is completely started 534 * first before continuing. 535 */ 536 if (mountService != null) { 537 mountService.waitForAsecScan(); 538 } 539 540 try { 541 if (accountManager != null) 542 accountManager.systemReady(); 543 } catch (Throwable e) { 544 reportWtf("making Account Manager Service ready", e); 545 } 546 547 try { 548 if (contentService != null) 549 contentService.systemReady(); 550 } catch (Throwable e) { 551 reportWtf("making Content Service ready", e); 552 } 553 554 try { 555 Slog.i(TAG, "Notification Manager"); 556 notification = new NotificationManagerService(context, statusBar, lights); 557 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 558 networkPolicy.bindNotificationManager(notification); 559 } catch (Throwable e) { 560 reportWtf("starting Notification Manager", e); 561 } 562 563 try { 564 Slog.i(TAG, "Device Storage Monitor"); 565 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 566 new DeviceStorageMonitorService(context)); 567 } catch (Throwable e) { 568 reportWtf("starting DeviceStorageMonitor service", e); 569 } 570 571 try { 572 Slog.i(TAG, "Location Manager"); 573 location = new LocationManagerService(context); 574 ServiceManager.addService(Context.LOCATION_SERVICE, location); 575 } catch (Throwable e) { 576 reportWtf("starting Location Manager", e); 577 } 578 579 try { 580 Slog.i(TAG, "Country Detector"); 581 countryDetector = new CountryDetectorService(context); 582 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 583 } catch (Throwable e) { 584 reportWtf("starting Country Detector", e); 585 } 586 587 try { 588 Slog.i(TAG, "Search Service"); 589 ServiceManager.addService(Context.SEARCH_SERVICE, 590 new SearchManagerService(context)); 591 } catch (Throwable e) { 592 reportWtf("starting Search Service", e); 593 } 594 595 try { 596 Slog.i(TAG, "DropBox Service"); 597 ServiceManager.addService(Context.DROPBOX_SERVICE, 598 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 599 } catch (Throwable e) { 600 reportWtf("starting DropBoxManagerService", e); 601 } 602 603 if (context.getResources().getBoolean( 604 com.android.internal.R.bool.config_enableWallpaperService)) { 605 try { 606 Slog.i(TAG, "Wallpaper Service"); 607 if (!headless) { 608 wallpaper = new WallpaperManagerService(context); 609 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 610 } 611 } catch (Throwable e) { 612 reportWtf("starting Wallpaper Service", e); 613 } 614 } 615 616 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 617 try { 618 Slog.i(TAG, "Audio Service"); 619 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 620 } catch (Throwable e) { 621 reportWtf("starting Audio Service", e); 622 } 623 } 624 625 try { 626 Slog.i(TAG, "Dock Observer"); 627 // Listen for dock station changes 628 dock = new DockObserver(context); 629 } catch (Throwable e) { 630 reportWtf("starting DockObserver", e); 631 } 632 633 try { 634 Slog.i(TAG, "Wired Accessory Manager"); 635 // Listen for wired headset changes 636 inputManager.setWiredAccessoryCallbacks( 637 new WiredAccessoryManager(context, inputManager)); 638 } catch (Throwable e) { 639 reportWtf("starting WiredAccessoryManager", e); 640 } 641 642 try { 643 Slog.i(TAG, "USB Service"); 644 // Manage USB host and device support 645 usb = new UsbService(context); 646 ServiceManager.addService(Context.USB_SERVICE, usb); 647 } catch (Throwable e) { 648 reportWtf("starting UsbService", e); 649 } 650 651 try { 652 Slog.i(TAG, "Serial Service"); 653 // Serial port support 654 serial = new SerialService(context); 655 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 656 } catch (Throwable e) { 657 Slog.e(TAG, "Failure starting SerialService", e); 658 } 659 660 try { 661 Slog.i(TAG, "Twilight Service"); 662 twilight = new TwilightService(context); 663 } catch (Throwable e) { 664 reportWtf("starting TwilightService", e); 665 } 666 667 try { 668 Slog.i(TAG, "UI Mode Manager Service"); 669 // Listen for UI mode changes 670 uiMode = new UiModeManagerService(context, twilight); 671 } catch (Throwable e) { 672 reportWtf("starting UiModeManagerService", e); 673 } 674 675 try { 676 Slog.i(TAG, "Backup Service"); 677 ServiceManager.addService(Context.BACKUP_SERVICE, 678 new BackupManagerService(context)); 679 } catch (Throwable e) { 680 Slog.e(TAG, "Failure starting Backup Service", e); 681 } 682 683 try { 684 Slog.i(TAG, "AppWidget Service"); 685 appWidget = new AppWidgetService(context); 686 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 687 } catch (Throwable e) { 688 reportWtf("starting AppWidget Service", e); 689 } 690 691 try { 692 Slog.i(TAG, "Recognition Service"); 693 recognition = new RecognitionManagerService(context); 694 } catch (Throwable e) { 695 reportWtf("starting Recognition Service", e); 696 } 697 698 try { 699 Slog.i(TAG, "DiskStats Service"); 700 ServiceManager.addService("diskstats", new DiskStatsService(context)); 701 } catch (Throwable e) { 702 reportWtf("starting DiskStats Service", e); 703 } 704 705 try { 706 // need to add this service even if SamplingProfilerIntegration.isEnabled() 707 // is false, because it is this service that detects system property change and 708 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 709 // there is little overhead for running this service. 710 Slog.i(TAG, "SamplingProfiler Service"); 711 ServiceManager.addService("samplingprofiler", 712 new SamplingProfilerService(context)); 713 } catch (Throwable e) { 714 reportWtf("starting SamplingProfiler Service", e); 715 } 716 717 try { 718 Slog.i(TAG, "NetworkTimeUpdateService"); 719 networkTimeUpdater = new NetworkTimeUpdateService(context); 720 } catch (Throwable e) { 721 reportWtf("starting NetworkTimeUpdate service", e); 722 } 723 724 try { 725 Slog.i(TAG, "CommonTimeManagementService"); 726 commonTimeMgmtService = new CommonTimeManagementService(context); 727 ServiceManager.addService("commontime_management", commonTimeMgmtService); 728 } catch (Throwable e) { 729 reportWtf("starting CommonTimeManagementService service", e); 730 } 731 732 try { 733 Slog.i(TAG, "CertBlacklister"); 734 CertBlacklister blacklister = new CertBlacklister(context); 735 } catch (Throwable e) { 736 reportWtf("starting CertBlacklister", e); 737 } 738 739 if (context.getResources().getBoolean( 740 com.android.internal.R.bool.config_dreamsSupported)) { 741 try { 742 Slog.i(TAG, "Dreams Service"); 743 // Dreams (interactive idle-time views, a/k/a screen savers) 744 dreamy = new DreamManagerService(context, wmHandler); 745 ServiceManager.addService(DreamService.DREAM_SERVICE, dreamy); 746 } catch (Throwable e) { 747 reportWtf("starting DreamManagerService", e); 748 } 749 } 750 } 751 752 // Before things start rolling, be sure we have decided whether 753 // we are in safe mode. 754 final boolean safeMode = wm.detectSafeMode(); 755 if (safeMode) { 756 ActivityManagerService.self().enterSafeMode(); 757 // Post the safe mode state in the Zygote class 758 Zygote.systemInSafeMode = true; 759 // Disable the JIT for the system_server process 760 VMRuntime.getRuntime().disableJitCompilation(); 761 } else { 762 // Enable the JIT for the system_server process 763 VMRuntime.getRuntime().startJitCompilation(); 764 } 765 766 // It is now time to start up the app processes... 767 768 try { 769 vibrator.systemReady(); 770 } catch (Throwable e) { 771 reportWtf("making Vibrator Service ready", e); 772 } 773 774 try { 775 lockSettings.systemReady(); 776 } catch (Throwable e) { 777 reportWtf("making Lock Settings Service ready", e); 778 } 779 780 if (devicePolicy != null) { 781 try { 782 devicePolicy.systemReady(); 783 } catch (Throwable e) { 784 reportWtf("making Device Policy Service ready", e); 785 } 786 } 787 788 if (notification != null) { 789 try { 790 notification.systemReady(); 791 } catch (Throwable e) { 792 reportWtf("making Notification Service ready", e); 793 } 794 } 795 796 try { 797 wm.systemReady(); 798 } catch (Throwable e) { 799 reportWtf("making Window Manager Service ready", e); 800 } 801 802 if (safeMode) { 803 ActivityManagerService.self().showSafeModeOverlay(); 804 } 805 806 // Update the configuration for this context by hand, because we're going 807 // to start using it before the config change done in wm.systemReady() will 808 // propagate to it. 809 Configuration config = wm.computeNewConfiguration(); 810 DisplayMetrics metrics = new DisplayMetrics(); 811 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 812 w.getDefaultDisplay().getMetrics(metrics); 813 context.getResources().updateConfiguration(config, metrics); 814 815 try { 816 power.systemReady(twilight, dreamy); 817 } catch (Throwable e) { 818 reportWtf("making Power Manager Service ready", e); 819 } 820 821 try { 822 pm.systemReady(); 823 } catch (Throwable e) { 824 reportWtf("making Package Manager Service ready", e); 825 } 826 827 try { 828 display.systemReady(safeMode, onlyCore); 829 } catch (Throwable e) { 830 reportWtf("making Display Manager Service ready", e); 831 } 832 833 // These are needed to propagate to the runnable below. 834 final Context contextF = context; 835 final MountService mountServiceF = mountService; 836 final BatteryService batteryF = battery; 837 final NetworkManagementService networkManagementF = networkManagement; 838 final NetworkStatsService networkStatsF = networkStats; 839 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 840 final ConnectivityService connectivityF = connectivity; 841 final DockObserver dockF = dock; 842 final UsbService usbF = usb; 843 final ThrottleService throttleF = throttle; 844 final TwilightService twilightF = twilight; 845 final UiModeManagerService uiModeF = uiMode; 846 final AppWidgetService appWidgetF = appWidget; 847 final WallpaperManagerService wallpaperF = wallpaper; 848 final InputMethodManagerService immF = imm; 849 final RecognitionManagerService recognitionF = recognition; 850 final LocationManagerService locationF = location; 851 final CountryDetectorService countryDetectorF = countryDetector; 852 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 853 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 854 final TextServicesManagerService textServiceManagerServiceF = tsms; 855 final StatusBarManagerService statusBarF = statusBar; 856 final DreamManagerService dreamyF = dreamy; 857 final InputManagerService inputManagerF = inputManager; 858 final TelephonyRegistry telephonyRegistryF = telephonyRegistry; 859 860 // We now tell the activity manager it is okay to run third party 861 // code. It will call back into us once it has gotten to the state 862 // where third party code can really run (but before it has actually 863 // started launching the initial applications), for us to complete our 864 // initialization. 865 ActivityManagerService.self().systemReady(new Runnable() { 866 public void run() { 867 Slog.i(TAG, "Making services ready"); 868 869 if (!headless) startSystemUi(contextF); 870 try { 871 if (mountServiceF != null) mountServiceF.systemReady(); 872 } catch (Throwable e) { 873 reportWtf("making Mount Service ready", e); 874 } 875 try { 876 if (batteryF != null) batteryF.systemReady(); 877 } catch (Throwable e) { 878 reportWtf("making Battery Service ready", e); 879 } 880 try { 881 if (networkManagementF != null) networkManagementF.systemReady(); 882 } catch (Throwable e) { 883 reportWtf("making Network Managment Service ready", e); 884 } 885 try { 886 if (networkStatsF != null) networkStatsF.systemReady(); 887 } catch (Throwable e) { 888 reportWtf("making Network Stats Service ready", e); 889 } 890 try { 891 if (networkPolicyF != null) networkPolicyF.systemReady(); 892 } catch (Throwable e) { 893 reportWtf("making Network Policy Service ready", e); 894 } 895 try { 896 if (connectivityF != null) connectivityF.systemReady(); 897 } catch (Throwable e) { 898 reportWtf("making Connectivity Service ready", e); 899 } 900 try { 901 if (dockF != null) dockF.systemReady(); 902 } catch (Throwable e) { 903 reportWtf("making Dock Service ready", e); 904 } 905 try { 906 if (usbF != null) usbF.systemReady(); 907 } catch (Throwable e) { 908 reportWtf("making USB Service ready", e); 909 } 910 try { 911 if (twilightF != null) twilightF.systemReady(); 912 } catch (Throwable e) { 913 reportWtf("makin Twilight Service ready", e); 914 } 915 try { 916 if (uiModeF != null) uiModeF.systemReady(); 917 } catch (Throwable e) { 918 reportWtf("making UI Mode Service ready", e); 919 } 920 try { 921 if (recognitionF != null) recognitionF.systemReady(); 922 } catch (Throwable e) { 923 reportWtf("making Recognition Service ready", e); 924 } 925 Watchdog.getInstance().start(); 926 927 // It is now okay to let the various system services start their 928 // third party code... 929 930 try { 931 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 932 } catch (Throwable e) { 933 reportWtf("making App Widget Service ready", e); 934 } 935 try { 936 if (wallpaperF != null) wallpaperF.systemReady(); 937 } catch (Throwable e) { 938 reportWtf("making Wallpaper Service ready", e); 939 } 940 try { 941 if (immF != null) immF.systemReady(statusBarF); 942 } catch (Throwable e) { 943 reportWtf("making Input Method Service ready", e); 944 } 945 try { 946 if (locationF != null) locationF.systemReady(); 947 } catch (Throwable e) { 948 reportWtf("making Location Service ready", e); 949 } 950 try { 951 if (countryDetectorF != null) countryDetectorF.systemReady(); 952 } catch (Throwable e) { 953 reportWtf("making Country Detector Service ready", e); 954 } 955 try { 956 if (throttleF != null) throttleF.systemReady(); 957 } catch (Throwable e) { 958 reportWtf("making Throttle Service ready", e); 959 } 960 try { 961 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 962 } catch (Throwable e) { 963 reportWtf("making Network Time Service ready", e); 964 } 965 try { 966 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 967 } catch (Throwable e) { 968 reportWtf("making Common time management service ready", e); 969 } 970 try { 971 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 972 } catch (Throwable e) { 973 reportWtf("making Text Services Manager Service ready", e); 974 } 975 try { 976 if (dreamyF != null) dreamyF.systemReady(); 977 } catch (Throwable e) { 978 reportWtf("making DreamManagerService ready", e); 979 } 980 try { 981 // TODO(BT) Pass parameter to input manager 982 if (inputManagerF != null) inputManagerF.systemReady(); 983 } catch (Throwable e) { 984 reportWtf("making InputManagerService ready", e); 985 } 986 try { 987 if (telephonyRegistryF != null) telephonyRegistryF.systemReady(); 988 } catch (Throwable e) { 989 reportWtf("making TelephonyRegistry ready", e); 990 } 991 } 992 }); 993 994 // For debug builds, log event loop stalls to dropbox for analysis. 995 if (StrictMode.conditionallyEnableDebugLogging()) { 996 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 997 } 998 999 Looper.loop(); 1000 Slog.d(TAG, "System ServerThread is exiting!"); 1001 } 1002 1003 static final void startSystemUi(Context context) { 1004 Intent intent = new Intent(); 1005 intent.setComponent(new ComponentName("com.android.systemui", 1006 "com.android.systemui.SystemUIService")); 1007 Slog.d(TAG, "Starting service: " + intent); 1008 context.startService(intent); 1009 } 1010} 1011 1012public class SystemServer { 1013 private static final String TAG = "SystemServer"; 1014 1015 public static final int FACTORY_TEST_OFF = 0; 1016 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1017 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1018 1019 static Timer timer; 1020 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1021 1022 // The earliest supported time. We pick one day into 1970, to 1023 // give any timezone code room without going into negative time. 1024 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1025 1026 /** 1027 * This method is called from Zygote to initialize the system. This will cause the native 1028 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1029 * up into init2() to start the Android services. 1030 */ 1031 native public static void init1(String[] args); 1032 1033 public static void main(String[] args) { 1034 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1035 // If a device's clock is before 1970 (before 0), a lot of 1036 // APIs crash dealing with negative numbers, notably 1037 // java.io.File#setLastModified, so instead we fake it and 1038 // hope that time from cell towers or NTP fixes it 1039 // shortly. 1040 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1041 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1042 } 1043 1044 if (SamplingProfilerIntegration.isEnabled()) { 1045 SamplingProfilerIntegration.start(); 1046 timer = new Timer(); 1047 timer.schedule(new TimerTask() { 1048 @Override 1049 public void run() { 1050 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1051 } 1052 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1053 } 1054 1055 // Mmmmmm... more memory! 1056 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1057 1058 // The system server has to run all of the time, so it needs to be 1059 // as efficient as possible with its memory usage. 1060 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1061 1062 System.loadLibrary("android_servers"); 1063 init1(args); 1064 } 1065 1066 public static final void init2() { 1067 Slog.i(TAG, "Entered the Android system server!"); 1068 Thread thr = new ServerThread(); 1069 thr.setName("android.server.ServerThread"); 1070 thr.start(); 1071 } 1072} 1073