SystemServer.java revision a12a7b3d3d8fc8678411295df4d001447b33a994
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.DreamManagerService; 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.input.InputManagerService; 56import com.android.server.net.NetworkPolicyManagerService; 57import com.android.server.net.NetworkStatsService; 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.usb.UsbService; 64import com.android.server.wm.WindowManagerService; 65 66import dalvik.system.VMRuntime; 67import dalvik.system.Zygote; 68 69import java.io.File; 70import java.util.Timer; 71import java.util.TimerTask; 72 73class ServerThread extends Thread { 74 private static final String TAG = "SystemServer"; 75 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 76 private static final String ENCRYPTED_STATE = "1"; 77 78 ContentResolver mContentResolver; 79 80 void reportWtf(String msg, Throwable e) { 81 Slog.w(TAG, "***********************************************"); 82 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 83 } 84 85 @Override 86 public void run() { 87 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 88 SystemClock.uptimeMillis()); 89 90 Looper.prepareMainLooper(); 91 92 android.os.Process.setThreadPriority( 93 android.os.Process.THREAD_PRIORITY_FOREGROUND); 94 95 BinderInternal.disableBackgroundScheduling(true); 96 android.os.Process.setCanSelfBackground(false); 97 98 // Check whether we failed to shut down last time we tried. 99 { 100 final String shutdownAction = SystemProperties.get( 101 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 102 if (shutdownAction != null && shutdownAction.length() > 0) { 103 boolean reboot = (shutdownAction.charAt(0) == '1'); 104 105 final String reason; 106 if (shutdownAction.length() > 1) { 107 reason = shutdownAction.substring(1, shutdownAction.length()); 108 } else { 109 reason = null; 110 } 111 112 ShutdownThread.rebootOrShutdown(reboot, reason); 113 } 114 } 115 116 String factoryTestStr = SystemProperties.get("ro.factorytest"); 117 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 118 : Integer.parseInt(factoryTestStr); 119 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 120 121 Installer installer = null; 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 MountService mountService = null; 131 NetworkManagementService networkManagement = null; 132 NetworkStatsService networkStats = null; 133 NetworkPolicyManagerService networkPolicy = null; 134 ConnectivityService connectivity = null; 135 WifiP2pService wifiP2p = null; 136 WifiService wifi = null; 137 NsdService serviceDiscovery= null; 138 IPackageManager pm = null; 139 Context context = null; 140 WindowManagerService wm = null; 141 BluetoothManagerService bluetooth = null; 142 DockObserver dock = null; 143 UsbService usb = null; 144 SerialService serial = null; 145 TwilightService twilight = null; 146 UiModeManagerService uiMode = null; 147 RecognitionManagerService recognition = null; 148 ThrottleService throttle = null; 149 NetworkTimeUpdateService networkTimeUpdater = null; 150 CommonTimeManagementService commonTimeMgmtService = null; 151 InputManagerService inputManager = null; 152 TelephonyRegistry telephonyRegistry = null; 153 154 // Create a shared handler thread for UI within the system server. 155 // This thread is used by at least the following components: 156 // - WindowManagerPolicy 157 // - KeyguardViewManager 158 // - DisplayManagerService 159 HandlerThread uiHandlerThread = new HandlerThread("UI"); 160 uiHandlerThread.start(); 161 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 162 uiHandler.post(new Runnable() { 163 @Override 164 public void run() { 165 //Looper.myLooper().setMessageLogging(new LogPrinter( 166 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 167 android.os.Process.setThreadPriority( 168 android.os.Process.THREAD_PRIORITY_FOREGROUND); 169 android.os.Process.setCanSelfBackground(false); 170 171 // For debug builds, log event loop stalls to dropbox for analysis. 172 if (StrictMode.conditionallyEnableDebugLogging()) { 173 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 174 } 175 } 176 }); 177 178 // Create a handler thread just for the window manager to enjoy. 179 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 180 wmHandlerThread.start(); 181 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 182 wmHandler.post(new Runnable() { 183 @Override 184 public void run() { 185 //Looper.myLooper().setMessageLogging(new LogPrinter( 186 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 187 android.os.Process.setThreadPriority( 188 android.os.Process.THREAD_PRIORITY_DISPLAY); 189 android.os.Process.setCanSelfBackground(false); 190 191 // For debug builds, log event loop stalls to dropbox for analysis. 192 if (StrictMode.conditionallyEnableDebugLogging()) { 193 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 194 } 195 } 196 }); 197 198 // Critical services... 199 boolean onlyCore = false; 200 try { 201 // Wait for installd to finished starting up so that it has a chance to 202 // create critical directories such as /data/user with the appropriate 203 // permissions. We need this to complete before we initialize other services. 204 Slog.i(TAG, "Waiting for installd to be ready."); 205 installer = new Installer(); 206 installer.ping(); 207 208 Slog.i(TAG, "Entropy Mixer"); 209 ServiceManager.addService("entropy", new EntropyMixer()); 210 211 Slog.i(TAG, "Power Manager"); 212 power = new PowerManagerService(); 213 ServiceManager.addService(Context.POWER_SERVICE, power); 214 215 Slog.i(TAG, "Activity Manager"); 216 context = ActivityManagerService.main(factoryTest); 217 218 Slog.i(TAG, "Display Manager"); 219 display = new DisplayManagerService(context, wmHandler, uiHandler); 220 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 221 222 Slog.i(TAG, "Telephony Registry"); 223 telephonyRegistry = new TelephonyRegistry(context); 224 ServiceManager.addService("telephony.registry", telephonyRegistry); 225 226 Slog.i(TAG, "Scheduling Policy"); 227 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 228 new SchedulingPolicyService()); 229 230 AttributeCache.init(context); 231 232 if (!display.waitForDefaultDisplay()) { 233 reportWtf("Timeout waiting for default display to be initialized.", 234 new Throwable()); 235 } 236 237 Slog.i(TAG, "Package Manager"); 238 // Only run "core" apps if we're encrypting the device. 239 String cryptState = SystemProperties.get("vold.decrypt"); 240 if (ENCRYPTING_STATE.equals(cryptState)) { 241 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 242 onlyCore = true; 243 } else if (ENCRYPTED_STATE.equals(cryptState)) { 244 Slog.w(TAG, "Device encrypted - only parsing core apps"); 245 onlyCore = true; 246 } 247 248 pm = PackageManagerService.main(context, installer, 249 factoryTest != SystemServer.FACTORY_TEST_OFF, 250 onlyCore); 251 boolean firstBoot = false; 252 try { 253 firstBoot = pm.isFirstBoot(); 254 } catch (RemoteException e) { 255 } 256 257 ActivityManagerService.setSystemProcess(); 258 259 Slog.i(TAG, "User Service"); 260 ServiceManager.addService(Context.USER_SERVICE, 261 UserManagerService.getInstance()); 262 263 264 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, "Window Manager"); 307 wm = WindowManagerService.main(context, power, display, 308 uiHandler, wmHandler, 309 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 310 !firstBoot, onlyCore); 311 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 312 inputManager = wm.getInputManagerService(); 313 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 314 315 ActivityManagerService.self().setWindowManager(wm); 316 display.setWindowManager(wm); 317 display.setInputManager(inputManager); 318 319 // Skip Bluetooth if we have an emulator kernel 320 // TODO: Use a more reliable check to see if this product should 321 // support Bluetooth - see bug 988521 322 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 323 Slog.i(TAG, "No Bluetooh Service (emulator)"); 324 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 325 Slog.i(TAG, "No Bluetooth Service (factory test)"); 326 } else { 327 Slog.i(TAG, "Bluetooth Manager Service"); 328 bluetooth = new BluetoothManagerService(context); 329 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 330 } 331 332 } catch (RuntimeException e) { 333 Slog.e("System", "******************************************"); 334 Slog.e("System", "************ Failure starting core service", e); 335 } 336 337 DevicePolicyManagerService devicePolicy = null; 338 StatusBarManagerService statusBar = null; 339 InputMethodManagerService imm = null; 340 AppWidgetService appWidget = null; 341 NotificationManagerService notification = null; 342 WallpaperManagerService wallpaper = null; 343 LocationManagerService location = null; 344 CountryDetectorService countryDetector = null; 345 TextServicesManagerService tsms = null; 346 LockSettingsService lockSettings = null; 347 DreamManagerService dreamy = null; 348 349 // Bring up services needed for UI. 350 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 351 try { 352 Slog.i(TAG, "Input Method Service"); 353 imm = new InputMethodManagerService(context, wm); 354 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 355 } catch (Throwable e) { 356 reportWtf("starting Input Manager Service", e); 357 } 358 359 try { 360 Slog.i(TAG, "Accessibility Manager"); 361 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 362 new AccessibilityManagerService(context)); 363 } catch (Throwable e) { 364 reportWtf("starting Accessibility Manager", e); 365 } 366 } 367 368 try { 369 wm.displayReady(); 370 } catch (Throwable e) { 371 reportWtf("making display ready", e); 372 } 373 374 try { 375 pm.performBootDexOpt(); 376 } catch (Throwable e) { 377 reportWtf("performing boot dexopt", e); 378 } 379 380 try { 381 ActivityManagerNative.getDefault().showBootMessage( 382 context.getResources().getText( 383 com.android.internal.R.string.android_upgrading_starting_apps), 384 false); 385 } catch (RemoteException e) { 386 } 387 388 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 389 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 390 try { 391 /* 392 * NotificationManagerService is dependant on MountService, 393 * (for media / usb notifications) so we must start MountService first. 394 */ 395 Slog.i(TAG, "Mount Service"); 396 mountService = new MountService(context); 397 ServiceManager.addService("mount", mountService); 398 } catch (Throwable e) { 399 reportWtf("starting Mount Service", e); 400 } 401 } 402 403 try { 404 Slog.i(TAG, "LockSettingsService"); 405 lockSettings = new LockSettingsService(context); 406 ServiceManager.addService("lock_settings", lockSettings); 407 } catch (Throwable e) { 408 reportWtf("starting LockSettingsService service", e); 409 } 410 411 try { 412 Slog.i(TAG, "Device Policy"); 413 devicePolicy = new DevicePolicyManagerService(context); 414 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 415 } catch (Throwable e) { 416 reportWtf("starting DevicePolicyService", e); 417 } 418 419 try { 420 Slog.i(TAG, "Status Bar"); 421 statusBar = new StatusBarManagerService(context, wm); 422 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 423 } catch (Throwable e) { 424 reportWtf("starting StatusBarManagerService", e); 425 } 426 427 try { 428 Slog.i(TAG, "Clipboard Service"); 429 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 430 new ClipboardService(context)); 431 } catch (Throwable e) { 432 reportWtf("starting Clipboard Service", e); 433 } 434 435 try { 436 Slog.i(TAG, "NetworkManagement Service"); 437 networkManagement = NetworkManagementService.create(context); 438 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 439 } catch (Throwable e) { 440 reportWtf("starting NetworkManagement Service", e); 441 } 442 443 try { 444 Slog.i(TAG, "Text Service Manager Service"); 445 tsms = new TextServicesManagerService(context); 446 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 447 } catch (Throwable e) { 448 reportWtf("starting Text Service Manager Service", e); 449 } 450 451 try { 452 Slog.i(TAG, "NetworkStats Service"); 453 networkStats = new NetworkStatsService(context, networkManagement, alarm); 454 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 455 } catch (Throwable e) { 456 reportWtf("starting NetworkStats Service", e); 457 } 458 459 try { 460 Slog.i(TAG, "NetworkPolicy Service"); 461 networkPolicy = new NetworkPolicyManagerService( 462 context, ActivityManagerService.self(), power, 463 networkStats, networkManagement); 464 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 465 } catch (Throwable e) { 466 reportWtf("starting NetworkPolicy Service", e); 467 } 468 469 try { 470 Slog.i(TAG, "Wi-Fi P2pService"); 471 wifiP2p = new WifiP2pService(context); 472 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 473 } catch (Throwable e) { 474 reportWtf("starting Wi-Fi P2pService", e); 475 } 476 477 try { 478 Slog.i(TAG, "Wi-Fi Service"); 479 wifi = new WifiService(context); 480 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 481 } catch (Throwable e) { 482 reportWtf("starting Wi-Fi Service", e); 483 } 484 485 try { 486 Slog.i(TAG, "Connectivity Service"); 487 connectivity = new ConnectivityService( 488 context, networkManagement, networkStats, networkPolicy); 489 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 490 networkStats.bindConnectivityManager(connectivity); 491 networkPolicy.bindConnectivityManager(connectivity); 492 wifi.checkAndStartWifi(); 493 wifiP2p.connectivityServiceReady(); 494 } catch (Throwable e) { 495 reportWtf("starting Connectivity Service", e); 496 } 497 498 try { 499 Slog.i(TAG, "Network Service Discovery Service"); 500 serviceDiscovery = NsdService.create(context); 501 ServiceManager.addService( 502 Context.NSD_SERVICE, serviceDiscovery); 503 } catch (Throwable e) { 504 reportWtf("starting Service Discovery Service", e); 505 } 506 507 try { 508 Slog.i(TAG, "Throttle Service"); 509 throttle = new ThrottleService(context); 510 ServiceManager.addService( 511 Context.THROTTLE_SERVICE, throttle); 512 } catch (Throwable e) { 513 reportWtf("starting ThrottleService", e); 514 } 515 516 try { 517 Slog.i(TAG, "UpdateLock Service"); 518 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 519 new UpdateLockService(context)); 520 } catch (Throwable e) { 521 reportWtf("starting UpdateLockService", e); 522 } 523 524 /* 525 * MountService has a few dependencies: Notification Manager and 526 * AppWidget Provider. Make sure MountService is completely started 527 * first before continuing. 528 */ 529 if (mountService != null) { 530 mountService.waitForAsecScan(); 531 } 532 533 try { 534 if (accountManager != null) 535 accountManager.systemReady(); 536 } catch (Throwable e) { 537 reportWtf("making Account Manager Service ready", e); 538 } 539 540 try { 541 if (contentService != null) 542 contentService.systemReady(); 543 } catch (Throwable e) { 544 reportWtf("making Content Service ready", e); 545 } 546 547 try { 548 Slog.i(TAG, "Notification Manager"); 549 notification = new NotificationManagerService(context, statusBar, lights); 550 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 551 networkPolicy.bindNotificationManager(notification); 552 } catch (Throwable e) { 553 reportWtf("starting Notification Manager", e); 554 } 555 556 try { 557 Slog.i(TAG, "Device Storage Monitor"); 558 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 559 new DeviceStorageMonitorService(context)); 560 } catch (Throwable e) { 561 reportWtf("starting DeviceStorageMonitor service", e); 562 } 563 564 try { 565 Slog.i(TAG, "Location Manager"); 566 location = new LocationManagerService(context); 567 ServiceManager.addService(Context.LOCATION_SERVICE, location); 568 } catch (Throwable e) { 569 reportWtf("starting Location Manager", e); 570 } 571 572 try { 573 Slog.i(TAG, "Country Detector"); 574 countryDetector = new CountryDetectorService(context); 575 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 576 } catch (Throwable e) { 577 reportWtf("starting Country Detector", e); 578 } 579 580 try { 581 Slog.i(TAG, "Search Service"); 582 ServiceManager.addService(Context.SEARCH_SERVICE, 583 new SearchManagerService(context)); 584 } catch (Throwable e) { 585 reportWtf("starting Search Service", e); 586 } 587 588 try { 589 Slog.i(TAG, "DropBox Service"); 590 ServiceManager.addService(Context.DROPBOX_SERVICE, 591 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 592 } catch (Throwable e) { 593 reportWtf("starting DropBoxManagerService", e); 594 } 595 596 if (context.getResources().getBoolean( 597 com.android.internal.R.bool.config_enableWallpaperService)) { 598 try { 599 Slog.i(TAG, "Wallpaper Service"); 600 if (!headless) { 601 wallpaper = new WallpaperManagerService(context); 602 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 603 } 604 } catch (Throwable e) { 605 reportWtf("starting Wallpaper Service", e); 606 } 607 } 608 609 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 610 try { 611 Slog.i(TAG, "Audio Service"); 612 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 613 } catch (Throwable e) { 614 reportWtf("starting Audio Service", e); 615 } 616 } 617 618 try { 619 Slog.i(TAG, "Dock Observer"); 620 // Listen for dock station changes 621 dock = new DockObserver(context); 622 } catch (Throwable e) { 623 reportWtf("starting DockObserver", e); 624 } 625 626 try { 627 Slog.i(TAG, "Wired Accessory Observer"); 628 // Listen for wired headset changes 629 new WiredAccessoryObserver(context); 630 } catch (Throwable e) { 631 reportWtf("starting WiredAccessoryObserver", e); 632 } 633 634 try { 635 Slog.i(TAG, "USB Service"); 636 // Manage USB host and device support 637 usb = new UsbService(context); 638 ServiceManager.addService(Context.USB_SERVICE, usb); 639 } catch (Throwable e) { 640 reportWtf("starting UsbService", e); 641 } 642 643 try { 644 Slog.i(TAG, "Serial Service"); 645 // Serial port support 646 serial = new SerialService(context); 647 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 648 } catch (Throwable e) { 649 Slog.e(TAG, "Failure starting SerialService", e); 650 } 651 652 try { 653 Slog.i(TAG, "Twilight Service"); 654 twilight = new TwilightService(context); 655 } catch (Throwable e) { 656 reportWtf("starting TwilightService", e); 657 } 658 659 try { 660 Slog.i(TAG, "UI Mode Manager Service"); 661 // Listen for UI mode changes 662 uiMode = new UiModeManagerService(context, twilight); 663 } catch (Throwable e) { 664 reportWtf("starting UiModeManagerService", e); 665 } 666 667 try { 668 Slog.i(TAG, "Backup Service"); 669 ServiceManager.addService(Context.BACKUP_SERVICE, 670 new BackupManagerService(context)); 671 } catch (Throwable e) { 672 Slog.e(TAG, "Failure starting Backup Service", e); 673 } 674 675 try { 676 Slog.i(TAG, "AppWidget Service"); 677 appWidget = new AppWidgetService(context); 678 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 679 } catch (Throwable e) { 680 reportWtf("starting AppWidget Service", e); 681 } 682 683 try { 684 Slog.i(TAG, "Recognition Service"); 685 recognition = new RecognitionManagerService(context); 686 } catch (Throwable e) { 687 reportWtf("starting Recognition Service", e); 688 } 689 690 try { 691 Slog.i(TAG, "DiskStats Service"); 692 ServiceManager.addService("diskstats", new DiskStatsService(context)); 693 } catch (Throwable e) { 694 reportWtf("starting DiskStats Service", e); 695 } 696 697 try { 698 // need to add this service even if SamplingProfilerIntegration.isEnabled() 699 // is false, because it is this service that detects system property change and 700 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 701 // there is little overhead for running this service. 702 Slog.i(TAG, "SamplingProfiler Service"); 703 ServiceManager.addService("samplingprofiler", 704 new SamplingProfilerService(context)); 705 } catch (Throwable e) { 706 reportWtf("starting SamplingProfiler Service", e); 707 } 708 709 try { 710 Slog.i(TAG, "NetworkTimeUpdateService"); 711 networkTimeUpdater = new NetworkTimeUpdateService(context); 712 } catch (Throwable e) { 713 reportWtf("starting NetworkTimeUpdate service", e); 714 } 715 716 try { 717 Slog.i(TAG, "CommonTimeManagementService"); 718 commonTimeMgmtService = new CommonTimeManagementService(context); 719 ServiceManager.addService("commontime_management", commonTimeMgmtService); 720 } catch (Throwable e) { 721 reportWtf("starting CommonTimeManagementService service", e); 722 } 723 724 try { 725 Slog.i(TAG, "CertBlacklister"); 726 CertBlacklister blacklister = new CertBlacklister(context); 727 } catch (Throwable e) { 728 reportWtf("starting CertBlacklister", e); 729 } 730 731 if (context.getResources().getBoolean( 732 com.android.internal.R.bool.config_enableDreams)) { 733 try { 734 Slog.i(TAG, "Dreams Service"); 735 // Dreams (interactive idle-time views, a/k/a screen savers) 736 dreamy = new DreamManagerService(context); 737 ServiceManager.addService("dreams", dreamy); 738 } catch (Throwable e) { 739 reportWtf("starting DreamManagerService", e); 740 } 741 } 742 } 743 744 // Before things start rolling, be sure we have decided whether 745 // we are in safe mode. 746 final boolean safeMode = wm.detectSafeMode(); 747 if (safeMode) { 748 ActivityManagerService.self().enterSafeMode(); 749 // Post the safe mode state in the Zygote class 750 Zygote.systemInSafeMode = true; 751 // Disable the JIT for the system_server process 752 VMRuntime.getRuntime().disableJitCompilation(); 753 } else { 754 // Enable the JIT for the system_server process 755 VMRuntime.getRuntime().startJitCompilation(); 756 } 757 758 // It is now time to start up the app processes... 759 760 try { 761 vibrator.systemReady(); 762 } catch (Throwable e) { 763 reportWtf("making Vibrator Service ready", e); 764 } 765 766 if (devicePolicy != null) { 767 try { 768 devicePolicy.systemReady(); 769 } catch (Throwable e) { 770 reportWtf("making Device Policy Service ready", e); 771 } 772 } 773 774 if (notification != null) { 775 try { 776 notification.systemReady(); 777 } catch (Throwable e) { 778 reportWtf("making Notification Service ready", e); 779 } 780 } 781 782 try { 783 lockSettings.systemReady(); 784 } catch (Throwable e) { 785 reportWtf("making Lock Settings Service ready", e); 786 } 787 788 try { 789 wm.systemReady(); 790 } catch (Throwable e) { 791 reportWtf("making Window Manager Service ready", e); 792 } 793 794 if (safeMode) { 795 ActivityManagerService.self().showSafeModeOverlay(); 796 } 797 798 // Update the configuration for this context by hand, because we're going 799 // to start using it before the config change done in wm.systemReady() will 800 // propagate to it. 801 Configuration config = wm.computeNewConfiguration(); 802 DisplayMetrics metrics = new DisplayMetrics(); 803 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 804 w.getDefaultDisplay().getMetrics(metrics); 805 context.getResources().updateConfiguration(config, metrics); 806 807 try { 808 power.systemReady(twilight); 809 } catch (Throwable e) { 810 reportWtf("making Power Manager Service ready", e); 811 } 812 813 try { 814 pm.systemReady(); 815 } catch (Throwable e) { 816 reportWtf("making Package Manager Service ready", e); 817 } 818 819 try { 820 display.systemReady(safeMode, onlyCore); 821 } catch (Throwable e) { 822 reportWtf("making Display Manager Service ready", e); 823 } 824 825 // These are needed to propagate to the runnable below. 826 final Context contextF = context; 827 final MountService mountServiceF = mountService; 828 final BatteryService batteryF = battery; 829 final NetworkManagementService networkManagementF = networkManagement; 830 final NetworkStatsService networkStatsF = networkStats; 831 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 832 final ConnectivityService connectivityF = connectivity; 833 final DockObserver dockF = dock; 834 final UsbService usbF = usb; 835 final ThrottleService throttleF = throttle; 836 final TwilightService twilightF = twilight; 837 final UiModeManagerService uiModeF = uiMode; 838 final AppWidgetService appWidgetF = appWidget; 839 final WallpaperManagerService wallpaperF = wallpaper; 840 final InputMethodManagerService immF = imm; 841 final RecognitionManagerService recognitionF = recognition; 842 final LocationManagerService locationF = location; 843 final CountryDetectorService countryDetectorF = countryDetector; 844 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 845 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 846 final TextServicesManagerService textServiceManagerServiceF = tsms; 847 final StatusBarManagerService statusBarF = statusBar; 848 final DreamManagerService dreamyF = dreamy; 849 final InputManagerService inputManagerF = inputManager; 850 final TelephonyRegistry telephonyRegistryF = telephonyRegistry; 851 852 // We now tell the activity manager it is okay to run third party 853 // code. It will call back into us once it has gotten to the state 854 // where third party code can really run (but before it has actually 855 // started launching the initial applications), for us to complete our 856 // initialization. 857 ActivityManagerService.self().systemReady(new Runnable() { 858 public void run() { 859 Slog.i(TAG, "Making services ready"); 860 861 if (!headless) startSystemUi(contextF); 862 try { 863 if (mountServiceF != null) mountServiceF.systemReady(); 864 } catch (Throwable e) { 865 reportWtf("making Mount Service ready", e); 866 } 867 try { 868 if (batteryF != null) batteryF.systemReady(); 869 } catch (Throwable e) { 870 reportWtf("making Battery Service ready", e); 871 } 872 try { 873 if (networkManagementF != null) networkManagementF.systemReady(); 874 } catch (Throwable e) { 875 reportWtf("making Network Managment Service ready", e); 876 } 877 try { 878 if (networkStatsF != null) networkStatsF.systemReady(); 879 } catch (Throwable e) { 880 reportWtf("making Network Stats Service ready", e); 881 } 882 try { 883 if (networkPolicyF != null) networkPolicyF.systemReady(); 884 } catch (Throwable e) { 885 reportWtf("making Network Policy Service ready", e); 886 } 887 try { 888 if (connectivityF != null) connectivityF.systemReady(); 889 } catch (Throwable e) { 890 reportWtf("making Connectivity Service ready", e); 891 } 892 try { 893 if (dockF != null) dockF.systemReady(); 894 } catch (Throwable e) { 895 reportWtf("making Dock Service ready", e); 896 } 897 try { 898 if (usbF != null) usbF.systemReady(); 899 } catch (Throwable e) { 900 reportWtf("making USB Service ready", e); 901 } 902 try { 903 if (twilightF != null) twilightF.systemReady(); 904 } catch (Throwable e) { 905 reportWtf("makin Twilight Service ready", e); 906 } 907 try { 908 if (uiModeF != null) uiModeF.systemReady(); 909 } catch (Throwable e) { 910 reportWtf("making UI Mode Service ready", e); 911 } 912 try { 913 if (recognitionF != null) recognitionF.systemReady(); 914 } catch (Throwable e) { 915 reportWtf("making Recognition Service ready", e); 916 } 917 Watchdog.getInstance().start(); 918 919 // It is now okay to let the various system services start their 920 // third party code... 921 922 try { 923 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 924 } catch (Throwable e) { 925 reportWtf("making App Widget Service ready", e); 926 } 927 try { 928 if (wallpaperF != null) wallpaperF.systemReady(); 929 } catch (Throwable e) { 930 reportWtf("making Wallpaper Service ready", e); 931 } 932 try { 933 if (immF != null) immF.systemReady(statusBarF); 934 } catch (Throwable e) { 935 reportWtf("making Input Method Service ready", e); 936 } 937 try { 938 if (locationF != null) locationF.systemReady(); 939 } catch (Throwable e) { 940 reportWtf("making Location Service ready", e); 941 } 942 try { 943 if (countryDetectorF != null) countryDetectorF.systemReady(); 944 } catch (Throwable e) { 945 reportWtf("making Country Detector Service ready", e); 946 } 947 try { 948 if (throttleF != null) throttleF.systemReady(); 949 } catch (Throwable e) { 950 reportWtf("making Throttle Service ready", e); 951 } 952 try { 953 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 954 } catch (Throwable e) { 955 reportWtf("making Network Time Service ready", e); 956 } 957 try { 958 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 959 } catch (Throwable e) { 960 reportWtf("making Common time management service ready", e); 961 } 962 try { 963 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 964 } catch (Throwable e) { 965 reportWtf("making Text Services Manager Service ready", e); 966 } 967 try { 968 if (dreamyF != null) dreamyF.systemReady(); 969 } catch (Throwable e) { 970 reportWtf("making DreamManagerService ready", e); 971 } 972 try { 973 // TODO(BT) Pass parameter to input manager 974 if (inputManagerF != null) inputManagerF.systemReady(); 975 } catch (Throwable e) { 976 reportWtf("making InputManagerService ready", e); 977 } 978 try { 979 if (telephonyRegistryF != null) telephonyRegistryF.systemReady(); 980 } catch (Throwable e) { 981 reportWtf("making TelephonyRegistry ready", e); 982 } 983 } 984 }); 985 986 // For debug builds, log event loop stalls to dropbox for analysis. 987 if (StrictMode.conditionallyEnableDebugLogging()) { 988 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 989 } 990 991 Looper.loop(); 992 Slog.d(TAG, "System ServerThread is exiting!"); 993 } 994 995 static final void startSystemUi(Context context) { 996 Intent intent = new Intent(); 997 intent.setComponent(new ComponentName("com.android.systemui", 998 "com.android.systemui.SystemUIService")); 999 Slog.d(TAG, "Starting service: " + intent); 1000 context.startService(intent); 1001 } 1002} 1003 1004public class SystemServer { 1005 private static final String TAG = "SystemServer"; 1006 1007 public static final int FACTORY_TEST_OFF = 0; 1008 public static final int FACTORY_TEST_LOW_LEVEL = 1; 1009 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 1010 1011 static Timer timer; 1012 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 1013 1014 // The earliest supported time. We pick one day into 1970, to 1015 // give any timezone code room without going into negative time. 1016 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1017 1018 /** 1019 * This method is called from Zygote to initialize the system. This will cause the native 1020 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1021 * up into init2() to start the Android services. 1022 */ 1023 native public static void init1(String[] args); 1024 1025 public static void main(String[] args) { 1026 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1027 // If a device's clock is before 1970 (before 0), a lot of 1028 // APIs crash dealing with negative numbers, notably 1029 // java.io.File#setLastModified, so instead we fake it and 1030 // hope that time from cell towers or NTP fixes it 1031 // shortly. 1032 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1033 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1034 } 1035 1036 if (SamplingProfilerIntegration.isEnabled()) { 1037 SamplingProfilerIntegration.start(); 1038 timer = new Timer(); 1039 timer.schedule(new TimerTask() { 1040 @Override 1041 public void run() { 1042 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1043 } 1044 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1045 } 1046 1047 // Mmmmmm... more memory! 1048 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1049 1050 // The system server has to run all of the time, so it needs to be 1051 // as efficient as possible with its memory usage. 1052 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1053 1054 System.loadLibrary("android_servers"); 1055 init1(args); 1056 } 1057 1058 public static final void init2() { 1059 Slog.i(TAG, "Entered the Android system server!"); 1060 Thread thr = new ServerThread(); 1061 thr.setName("android.server.ServerThread"); 1062 thr.start(); 1063 } 1064} 1065