SystemServer.java revision b049e212ab7fe8967893c202efcb30fecfdb82fb
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.PackageManagerService; 59import com.android.server.pm.UserManagerService; 60import com.android.server.power.PowerManagerService; 61import com.android.server.power.ShutdownThread; 62import com.android.server.usb.UsbService; 63import com.android.server.wm.WindowManagerService; 64 65import dalvik.system.VMRuntime; 66import dalvik.system.Zygote; 67 68import java.io.File; 69import java.util.Timer; 70import java.util.TimerTask; 71 72class ServerThread extends Thread { 73 private static final String TAG = "SystemServer"; 74 private static final String ENCRYPTING_STATE = "trigger_restart_min_framework"; 75 private static final String ENCRYPTED_STATE = "1"; 76 77 ContentResolver mContentResolver; 78 79 void reportWtf(String msg, Throwable e) { 80 Slog.w(TAG, "***********************************************"); 81 Log.wtf(TAG, "BOOT FAILURE " + msg, e); 82 } 83 84 @Override 85 public void run() { 86 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN, 87 SystemClock.uptimeMillis()); 88 89 Looper.prepareMainLooper(); 90 91 android.os.Process.setThreadPriority( 92 android.os.Process.THREAD_PRIORITY_FOREGROUND); 93 94 BinderInternal.disableBackgroundScheduling(true); 95 android.os.Process.setCanSelfBackground(false); 96 97 // Check whether we failed to shut down last time we tried. 98 { 99 final String shutdownAction = SystemProperties.get( 100 ShutdownThread.SHUTDOWN_ACTION_PROPERTY, ""); 101 if (shutdownAction != null && shutdownAction.length() > 0) { 102 boolean reboot = (shutdownAction.charAt(0) == '1'); 103 104 final String reason; 105 if (shutdownAction.length() > 1) { 106 reason = shutdownAction.substring(1, shutdownAction.length()); 107 } else { 108 reason = null; 109 } 110 111 ShutdownThread.rebootOrShutdown(reboot, reason); 112 } 113 } 114 115 String factoryTestStr = SystemProperties.get("ro.factorytest"); 116 int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF 117 : Integer.parseInt(factoryTestStr); 118 final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0")); 119 120 AccountManagerService accountManager = null; 121 ContentService contentService = null; 122 LightsService lights = null; 123 PowerManagerService power = null; 124 DisplayManagerService display = null; 125 BatteryService battery = null; 126 VibratorService vibrator = null; 127 AlarmManagerService alarm = null; 128 MountService mountService = null; 129 NetworkManagementService networkManagement = null; 130 NetworkStatsService networkStats = null; 131 NetworkPolicyManagerService networkPolicy = null; 132 ConnectivityService connectivity = null; 133 WifiP2pService wifiP2p = null; 134 WifiService wifi = null; 135 NsdService serviceDiscovery= null; 136 IPackageManager pm = null; 137 Context context = null; 138 WindowManagerService wm = null; 139 BluetoothManagerService bluetooth = null; 140 DockObserver dock = null; 141 UsbService usb = null; 142 SerialService serial = null; 143 TwilightService twilight = null; 144 UiModeManagerService uiMode = null; 145 RecognitionManagerService recognition = null; 146 ThrottleService throttle = null; 147 NetworkTimeUpdateService networkTimeUpdater = null; 148 CommonTimeManagementService commonTimeMgmtService = null; 149 InputManagerService inputManager = null; 150 151 // Create a shared handler thread for UI within the system server. 152 // This thread is used by at least the following components: 153 // - WindowManagerPolicy 154 // - KeyguardViewManager 155 // - DisplayManagerService 156 HandlerThread uiHandlerThread = new HandlerThread("UI"); 157 uiHandlerThread.start(); 158 Handler uiHandler = new Handler(uiHandlerThread.getLooper()); 159 uiHandler.post(new Runnable() { 160 @Override 161 public void run() { 162 //Looper.myLooper().setMessageLogging(new LogPrinter( 163 // Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM)); 164 android.os.Process.setThreadPriority( 165 android.os.Process.THREAD_PRIORITY_FOREGROUND); 166 android.os.Process.setCanSelfBackground(false); 167 168 // For debug builds, log event loop stalls to dropbox for analysis. 169 if (StrictMode.conditionallyEnableDebugLogging()) { 170 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 171 } 172 } 173 }); 174 175 // Create a handler thread just for the window manager to enjoy. 176 HandlerThread wmHandlerThread = new HandlerThread("WindowManager"); 177 wmHandlerThread.start(); 178 Handler wmHandler = new Handler(wmHandlerThread.getLooper()); 179 wmHandler.post(new Runnable() { 180 @Override 181 public void run() { 182 //Looper.myLooper().setMessageLogging(new LogPrinter( 183 // android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM)); 184 android.os.Process.setThreadPriority( 185 android.os.Process.THREAD_PRIORITY_DISPLAY); 186 android.os.Process.setCanSelfBackground(false); 187 188 // For debug builds, log event loop stalls to dropbox for analysis. 189 if (StrictMode.conditionallyEnableDebugLogging()) { 190 Slog.i(TAG, "Enabled StrictMode logging for UI Looper"); 191 } 192 } 193 }); 194 195 // Critical services... 196 boolean onlyCore = false; 197 try { 198 Slog.i(TAG, "Entropy Mixer"); 199 ServiceManager.addService("entropy", new EntropyMixer()); 200 201 Slog.i(TAG, "Power Manager"); 202 power = new PowerManagerService(); 203 ServiceManager.addService(Context.POWER_SERVICE, power); 204 205 Slog.i(TAG, "Activity Manager"); 206 context = ActivityManagerService.main(factoryTest); 207 208 Slog.i(TAG, "Display Manager"); 209 display = new DisplayManagerService(context, wmHandler, uiHandler); 210 ServiceManager.addService(Context.DISPLAY_SERVICE, display, true); 211 212 Slog.i(TAG, "Telephony Registry"); 213 ServiceManager.addService("telephony.registry", new TelephonyRegistry(context)); 214 215 Slog.i(TAG, "Scheduling Policy"); 216 ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE, 217 new SchedulingPolicyService()); 218 219 AttributeCache.init(context); 220 221 if (!display.waitForDefaultDisplay()) { 222 reportWtf("Timeout waiting for default display to be initialized.", 223 new Throwable()); 224 } 225 226 Slog.i(TAG, "Package Manager"); 227 // Only run "core" apps if we're encrypting the device. 228 String cryptState = SystemProperties.get("vold.decrypt"); 229 if (ENCRYPTING_STATE.equals(cryptState)) { 230 Slog.w(TAG, "Detected encryption in progress - only parsing core apps"); 231 onlyCore = true; 232 } else if (ENCRYPTED_STATE.equals(cryptState)) { 233 Slog.w(TAG, "Device encrypted - only parsing core apps"); 234 onlyCore = true; 235 } 236 237 pm = PackageManagerService.main(context, 238 factoryTest != SystemServer.FACTORY_TEST_OFF, 239 onlyCore); 240 boolean firstBoot = false; 241 try { 242 firstBoot = pm.isFirstBoot(); 243 } catch (RemoteException e) { 244 } 245 246 ActivityManagerService.setSystemProcess(); 247 248 Slog.i(TAG, "User Service"); 249 ServiceManager.addService(Context.USER_SERVICE, 250 UserManagerService.getInstance()); 251 252 253 mContentResolver = context.getContentResolver(); 254 255 // The AccountManager must come before the ContentService 256 try { 257 Slog.i(TAG, "Account Manager"); 258 accountManager = new AccountManagerService(context); 259 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager); 260 } catch (Throwable e) { 261 Slog.e(TAG, "Failure starting Account Manager", e); 262 } 263 264 Slog.i(TAG, "Content Manager"); 265 contentService = ContentService.main(context, 266 factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL); 267 268 Slog.i(TAG, "System Content Providers"); 269 ActivityManagerService.installSystemProviders(); 270 271 Slog.i(TAG, "Lights Service"); 272 lights = new LightsService(context); 273 274 Slog.i(TAG, "Battery Service"); 275 battery = new BatteryService(context, lights); 276 ServiceManager.addService("battery", battery); 277 278 Slog.i(TAG, "Vibrator Service"); 279 vibrator = new VibratorService(context); 280 ServiceManager.addService("vibrator", vibrator); 281 282 // only initialize the power service after we have started the 283 // lights service, content providers and the battery service. 284 power.init(context, lights, ActivityManagerService.self(), battery, 285 BatteryStatsService.getService(), display); 286 287 Slog.i(TAG, "Alarm Manager"); 288 alarm = new AlarmManagerService(context); 289 ServiceManager.addService(Context.ALARM_SERVICE, alarm); 290 291 Slog.i(TAG, "Init Watchdog"); 292 Watchdog.getInstance().init(context, battery, power, alarm, 293 ActivityManagerService.self()); 294 295 Slog.i(TAG, "Window Manager"); 296 wm = WindowManagerService.main(context, power, display, 297 uiHandler, wmHandler, 298 factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL, 299 !firstBoot, onlyCore); 300 ServiceManager.addService(Context.WINDOW_SERVICE, wm); 301 inputManager = wm.getInputManagerService(); 302 ServiceManager.addService(Context.INPUT_SERVICE, inputManager); 303 304 ActivityManagerService.self().setWindowManager(wm); 305 display.setWindowManager(wm); 306 display.setInputManager(inputManager); 307 308 // Skip Bluetooth if we have an emulator kernel 309 // TODO: Use a more reliable check to see if this product should 310 // support Bluetooth - see bug 988521 311 if (SystemProperties.get("ro.kernel.qemu").equals("1")) { 312 Slog.i(TAG, "No Bluetooh Service (emulator)"); 313 } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) { 314 Slog.i(TAG, "No Bluetooth Service (factory test)"); 315 } else { 316 Slog.i(TAG, "Bluetooth Manager Service"); 317 bluetooth = new BluetoothManagerService(context); 318 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth); 319 } 320 321 } catch (RuntimeException e) { 322 Slog.e("System", "******************************************"); 323 Slog.e("System", "************ Failure starting core service", e); 324 } 325 326 DevicePolicyManagerService devicePolicy = null; 327 StatusBarManagerService statusBar = null; 328 InputMethodManagerService imm = null; 329 AppWidgetService appWidget = null; 330 NotificationManagerService notification = null; 331 WallpaperManagerService wallpaper = null; 332 LocationManagerService location = null; 333 CountryDetectorService countryDetector = null; 334 TextServicesManagerService tsms = null; 335 LockSettingsService lockSettings = null; 336 DreamManagerService dreamy = null; 337 338 // Bring up services needed for UI. 339 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 340 try { 341 Slog.i(TAG, "Input Method Service"); 342 imm = new InputMethodManagerService(context, wm); 343 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm); 344 } catch (Throwable e) { 345 reportWtf("starting Input Manager Service", e); 346 } 347 348 try { 349 Slog.i(TAG, "Accessibility Manager"); 350 ServiceManager.addService(Context.ACCESSIBILITY_SERVICE, 351 new AccessibilityManagerService(context)); 352 } catch (Throwable e) { 353 reportWtf("starting Accessibility Manager", e); 354 } 355 } 356 357 try { 358 wm.displayReady(); 359 } catch (Throwable e) { 360 reportWtf("making display ready", e); 361 } 362 363 try { 364 pm.performBootDexOpt(); 365 } catch (Throwable e) { 366 reportWtf("performing boot dexopt", e); 367 } 368 369 try { 370 ActivityManagerNative.getDefault().showBootMessage( 371 context.getResources().getText( 372 com.android.internal.R.string.android_upgrading_starting_apps), 373 false); 374 } catch (RemoteException e) { 375 } 376 377 if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) { 378 if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) { 379 try { 380 /* 381 * NotificationManagerService is dependant on MountService, 382 * (for media / usb notifications) so we must start MountService first. 383 */ 384 Slog.i(TAG, "Mount Service"); 385 mountService = new MountService(context); 386 ServiceManager.addService("mount", mountService); 387 } catch (Throwable e) { 388 reportWtf("starting Mount Service", e); 389 } 390 } 391 392 try { 393 Slog.i(TAG, "LockSettingsService"); 394 lockSettings = new LockSettingsService(context); 395 ServiceManager.addService("lock_settings", lockSettings); 396 } catch (Throwable e) { 397 reportWtf("starting LockSettingsService service", e); 398 } 399 400 try { 401 Slog.i(TAG, "Device Policy"); 402 devicePolicy = new DevicePolicyManagerService(context); 403 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy); 404 } catch (Throwable e) { 405 reportWtf("starting DevicePolicyService", e); 406 } 407 408 try { 409 Slog.i(TAG, "Status Bar"); 410 statusBar = new StatusBarManagerService(context, wm); 411 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar); 412 } catch (Throwable e) { 413 reportWtf("starting StatusBarManagerService", e); 414 } 415 416 try { 417 Slog.i(TAG, "Clipboard Service"); 418 ServiceManager.addService(Context.CLIPBOARD_SERVICE, 419 new ClipboardService(context)); 420 } catch (Throwable e) { 421 reportWtf("starting Clipboard Service", e); 422 } 423 424 try { 425 Slog.i(TAG, "NetworkManagement Service"); 426 networkManagement = NetworkManagementService.create(context); 427 ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement); 428 } catch (Throwable e) { 429 reportWtf("starting NetworkManagement Service", e); 430 } 431 432 try { 433 Slog.i(TAG, "Text Service Manager Service"); 434 tsms = new TextServicesManagerService(context); 435 ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms); 436 } catch (Throwable e) { 437 reportWtf("starting Text Service Manager Service", e); 438 } 439 440 try { 441 Slog.i(TAG, "NetworkStats Service"); 442 networkStats = new NetworkStatsService(context, networkManagement, alarm); 443 ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats); 444 } catch (Throwable e) { 445 reportWtf("starting NetworkStats Service", e); 446 } 447 448 try { 449 Slog.i(TAG, "NetworkPolicy Service"); 450 networkPolicy = new NetworkPolicyManagerService( 451 context, ActivityManagerService.self(), power, 452 networkStats, networkManagement); 453 ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy); 454 } catch (Throwable e) { 455 reportWtf("starting NetworkPolicy Service", e); 456 } 457 458 try { 459 Slog.i(TAG, "Wi-Fi P2pService"); 460 wifiP2p = new WifiP2pService(context); 461 ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p); 462 } catch (Throwable e) { 463 reportWtf("starting Wi-Fi P2pService", e); 464 } 465 466 try { 467 Slog.i(TAG, "Wi-Fi Service"); 468 wifi = new WifiService(context); 469 ServiceManager.addService(Context.WIFI_SERVICE, wifi); 470 } catch (Throwable e) { 471 reportWtf("starting Wi-Fi Service", e); 472 } 473 474 try { 475 Slog.i(TAG, "Connectivity Service"); 476 connectivity = new ConnectivityService( 477 context, networkManagement, networkStats, networkPolicy); 478 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity); 479 networkStats.bindConnectivityManager(connectivity); 480 networkPolicy.bindConnectivityManager(connectivity); 481 wifi.checkAndStartWifi(); 482 wifiP2p.connectivityServiceReady(); 483 } catch (Throwable e) { 484 reportWtf("starting Connectivity Service", e); 485 } 486 487 try { 488 Slog.i(TAG, "Network Service Discovery Service"); 489 serviceDiscovery = NsdService.create(context); 490 ServiceManager.addService( 491 Context.NSD_SERVICE, serviceDiscovery); 492 } catch (Throwable e) { 493 reportWtf("starting Service Discovery Service", e); 494 } 495 496 try { 497 Slog.i(TAG, "Throttle Service"); 498 throttle = new ThrottleService(context); 499 ServiceManager.addService( 500 Context.THROTTLE_SERVICE, throttle); 501 } catch (Throwable e) { 502 reportWtf("starting ThrottleService", e); 503 } 504 505 try { 506 Slog.i(TAG, "UpdateLock Service"); 507 ServiceManager.addService(Context.UPDATE_LOCK_SERVICE, 508 new UpdateLockService(context)); 509 } catch (Throwable e) { 510 reportWtf("starting UpdateLockService", e); 511 } 512 513 /* 514 * MountService has a few dependencies: Notification Manager and 515 * AppWidget Provider. Make sure MountService is completely started 516 * first before continuing. 517 */ 518 if (mountService != null) { 519 mountService.waitForAsecScan(); 520 } 521 522 try { 523 if (accountManager != null) 524 accountManager.systemReady(); 525 } catch (Throwable e) { 526 reportWtf("making Account Manager Service ready", e); 527 } 528 529 try { 530 if (contentService != null) 531 contentService.systemReady(); 532 } catch (Throwable e) { 533 reportWtf("making Content Service ready", e); 534 } 535 536 try { 537 Slog.i(TAG, "Notification Manager"); 538 notification = new NotificationManagerService(context, statusBar, lights); 539 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification); 540 networkPolicy.bindNotificationManager(notification); 541 } catch (Throwable e) { 542 reportWtf("starting Notification Manager", e); 543 } 544 545 try { 546 Slog.i(TAG, "Device Storage Monitor"); 547 ServiceManager.addService(DeviceStorageMonitorService.SERVICE, 548 new DeviceStorageMonitorService(context)); 549 } catch (Throwable e) { 550 reportWtf("starting DeviceStorageMonitor service", e); 551 } 552 553 try { 554 Slog.i(TAG, "Location Manager"); 555 location = new LocationManagerService(context); 556 ServiceManager.addService(Context.LOCATION_SERVICE, location); 557 } catch (Throwable e) { 558 reportWtf("starting Location Manager", e); 559 } 560 561 try { 562 Slog.i(TAG, "Country Detector"); 563 countryDetector = new CountryDetectorService(context); 564 ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector); 565 } catch (Throwable e) { 566 reportWtf("starting Country Detector", e); 567 } 568 569 try { 570 Slog.i(TAG, "Search Service"); 571 ServiceManager.addService(Context.SEARCH_SERVICE, 572 new SearchManagerService(context)); 573 } catch (Throwable e) { 574 reportWtf("starting Search Service", e); 575 } 576 577 try { 578 Slog.i(TAG, "DropBox Service"); 579 ServiceManager.addService(Context.DROPBOX_SERVICE, 580 new DropBoxManagerService(context, new File("/data/system/dropbox"))); 581 } catch (Throwable e) { 582 reportWtf("starting DropBoxManagerService", e); 583 } 584 585 if (context.getResources().getBoolean( 586 com.android.internal.R.bool.config_enableWallpaperService)) { 587 try { 588 Slog.i(TAG, "Wallpaper Service"); 589 if (!headless) { 590 wallpaper = new WallpaperManagerService(context); 591 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper); 592 } 593 } catch (Throwable e) { 594 reportWtf("starting Wallpaper Service", e); 595 } 596 } 597 598 if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) { 599 try { 600 Slog.i(TAG, "Audio Service"); 601 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context)); 602 } catch (Throwable e) { 603 reportWtf("starting Audio Service", e); 604 } 605 } 606 607 try { 608 Slog.i(TAG, "Dock Observer"); 609 // Listen for dock station changes 610 dock = new DockObserver(context); 611 } catch (Throwable e) { 612 reportWtf("starting DockObserver", e); 613 } 614 615 try { 616 Slog.i(TAG, "Wired Accessory Observer"); 617 // Listen for wired headset changes 618 new WiredAccessoryObserver(context); 619 } catch (Throwable e) { 620 reportWtf("starting WiredAccessoryObserver", e); 621 } 622 623 try { 624 Slog.i(TAG, "USB Service"); 625 // Manage USB host and device support 626 usb = new UsbService(context); 627 ServiceManager.addService(Context.USB_SERVICE, usb); 628 } catch (Throwable e) { 629 reportWtf("starting UsbService", e); 630 } 631 632 try { 633 Slog.i(TAG, "Serial Service"); 634 // Serial port support 635 serial = new SerialService(context); 636 ServiceManager.addService(Context.SERIAL_SERVICE, serial); 637 } catch (Throwable e) { 638 Slog.e(TAG, "Failure starting SerialService", e); 639 } 640 641 try { 642 Slog.i(TAG, "Twilight Service"); 643 twilight = new TwilightService(context); 644 } catch (Throwable e) { 645 reportWtf("starting TwilightService", e); 646 } 647 648 try { 649 Slog.i(TAG, "UI Mode Manager Service"); 650 // Listen for UI mode changes 651 uiMode = new UiModeManagerService(context, twilight); 652 } catch (Throwable e) { 653 reportWtf("starting UiModeManagerService", e); 654 } 655 656 try { 657 Slog.i(TAG, "Backup Service"); 658 ServiceManager.addService(Context.BACKUP_SERVICE, 659 new BackupManagerService(context)); 660 } catch (Throwable e) { 661 Slog.e(TAG, "Failure starting Backup Service", e); 662 } 663 664 try { 665 Slog.i(TAG, "AppWidget Service"); 666 appWidget = new AppWidgetService(context); 667 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget); 668 } catch (Throwable e) { 669 reportWtf("starting AppWidget Service", e); 670 } 671 672 try { 673 Slog.i(TAG, "Recognition Service"); 674 recognition = new RecognitionManagerService(context); 675 } catch (Throwable e) { 676 reportWtf("starting Recognition Service", e); 677 } 678 679 try { 680 Slog.i(TAG, "DiskStats Service"); 681 ServiceManager.addService("diskstats", new DiskStatsService(context)); 682 } catch (Throwable e) { 683 reportWtf("starting DiskStats Service", e); 684 } 685 686 try { 687 // need to add this service even if SamplingProfilerIntegration.isEnabled() 688 // is false, because it is this service that detects system property change and 689 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work, 690 // there is little overhead for running this service. 691 Slog.i(TAG, "SamplingProfiler Service"); 692 ServiceManager.addService("samplingprofiler", 693 new SamplingProfilerService(context)); 694 } catch (Throwable e) { 695 reportWtf("starting SamplingProfiler Service", e); 696 } 697 698 try { 699 Slog.i(TAG, "NetworkTimeUpdateService"); 700 networkTimeUpdater = new NetworkTimeUpdateService(context); 701 } catch (Throwable e) { 702 reportWtf("starting NetworkTimeUpdate service", e); 703 } 704 705 try { 706 Slog.i(TAG, "CommonTimeManagementService"); 707 commonTimeMgmtService = new CommonTimeManagementService(context); 708 ServiceManager.addService("commontime_management", commonTimeMgmtService); 709 } catch (Throwable e) { 710 reportWtf("starting CommonTimeManagementService service", e); 711 } 712 713 try { 714 Slog.i(TAG, "CertBlacklister"); 715 CertBlacklister blacklister = new CertBlacklister(context); 716 } catch (Throwable e) { 717 reportWtf("starting CertBlacklister", e); 718 } 719 720 if (context.getResources().getBoolean( 721 com.android.internal.R.bool.config_enableDreams)) { 722 try { 723 Slog.i(TAG, "Dreams Service"); 724 // Dreams (interactive idle-time views, a/k/a screen savers) 725 dreamy = new DreamManagerService(context); 726 ServiceManager.addService("dreams", dreamy); 727 } catch (Throwable e) { 728 reportWtf("starting DreamManagerService", e); 729 } 730 } 731 } 732 733 // Before things start rolling, be sure we have decided whether 734 // we are in safe mode. 735 final boolean safeMode = wm.detectSafeMode(); 736 if (safeMode) { 737 ActivityManagerService.self().enterSafeMode(); 738 // Post the safe mode state in the Zygote class 739 Zygote.systemInSafeMode = true; 740 // Disable the JIT for the system_server process 741 VMRuntime.getRuntime().disableJitCompilation(); 742 } else { 743 // Enable the JIT for the system_server process 744 VMRuntime.getRuntime().startJitCompilation(); 745 } 746 747 // It is now time to start up the app processes... 748 749 try { 750 vibrator.systemReady(); 751 } catch (Throwable e) { 752 reportWtf("making Vibrator Service ready", e); 753 } 754 755 if (devicePolicy != null) { 756 try { 757 devicePolicy.systemReady(); 758 } catch (Throwable e) { 759 reportWtf("making Device Policy Service ready", e); 760 } 761 } 762 763 if (notification != null) { 764 try { 765 notification.systemReady(); 766 } catch (Throwable e) { 767 reportWtf("making Notification Service ready", e); 768 } 769 } 770 771 try { 772 lockSettings.systemReady(); 773 } catch (Throwable e) { 774 reportWtf("making Lock Settings Service ready", e); 775 } 776 777 try { 778 wm.systemReady(); 779 } catch (Throwable e) { 780 reportWtf("making Window Manager Service ready", e); 781 } 782 783 if (safeMode) { 784 ActivityManagerService.self().showSafeModeOverlay(); 785 } 786 787 // Update the configuration for this context by hand, because we're going 788 // to start using it before the config change done in wm.systemReady() will 789 // propagate to it. 790 Configuration config = wm.computeNewConfiguration(); 791 DisplayMetrics metrics = new DisplayMetrics(); 792 WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 793 w.getDefaultDisplay().getMetrics(metrics); 794 context.getResources().updateConfiguration(config, metrics); 795 796 try { 797 power.systemReady(twilight); 798 } catch (Throwable e) { 799 reportWtf("making Power Manager Service ready", e); 800 } 801 802 try { 803 pm.systemReady(); 804 } catch (Throwable e) { 805 reportWtf("making Package Manager Service ready", e); 806 } 807 808 try { 809 display.systemReady(safeMode, onlyCore); 810 } catch (Throwable e) { 811 reportWtf("making Display Manager Service ready", e); 812 } 813 814 // These are needed to propagate to the runnable below. 815 final Context contextF = context; 816 final MountService mountServiceF = mountService; 817 final BatteryService batteryF = battery; 818 final NetworkManagementService networkManagementF = networkManagement; 819 final NetworkStatsService networkStatsF = networkStats; 820 final NetworkPolicyManagerService networkPolicyF = networkPolicy; 821 final ConnectivityService connectivityF = connectivity; 822 final DockObserver dockF = dock; 823 final UsbService usbF = usb; 824 final ThrottleService throttleF = throttle; 825 final TwilightService twilightF = twilight; 826 final UiModeManagerService uiModeF = uiMode; 827 final AppWidgetService appWidgetF = appWidget; 828 final WallpaperManagerService wallpaperF = wallpaper; 829 final InputMethodManagerService immF = imm; 830 final RecognitionManagerService recognitionF = recognition; 831 final LocationManagerService locationF = location; 832 final CountryDetectorService countryDetectorF = countryDetector; 833 final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater; 834 final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService; 835 final TextServicesManagerService textServiceManagerServiceF = tsms; 836 final StatusBarManagerService statusBarF = statusBar; 837 final DreamManagerService dreamyF = dreamy; 838 final InputManagerService inputManagerF = inputManager; 839 840 // We now tell the activity manager it is okay to run third party 841 // code. It will call back into us once it has gotten to the state 842 // where third party code can really run (but before it has actually 843 // started launching the initial applications), for us to complete our 844 // initialization. 845 ActivityManagerService.self().systemReady(new Runnable() { 846 public void run() { 847 Slog.i(TAG, "Making services ready"); 848 849 if (!headless) startSystemUi(contextF); 850 try { 851 if (mountServiceF != null) mountServiceF.systemReady(); 852 } catch (Throwable e) { 853 reportWtf("making Mount Service ready", e); 854 } 855 try { 856 if (batteryF != null) batteryF.systemReady(); 857 } catch (Throwable e) { 858 reportWtf("making Battery Service ready", e); 859 } 860 try { 861 if (networkManagementF != null) networkManagementF.systemReady(); 862 } catch (Throwable e) { 863 reportWtf("making Network Managment Service ready", e); 864 } 865 try { 866 if (networkStatsF != null) networkStatsF.systemReady(); 867 } catch (Throwable e) { 868 reportWtf("making Network Stats Service ready", e); 869 } 870 try { 871 if (networkPolicyF != null) networkPolicyF.systemReady(); 872 } catch (Throwable e) { 873 reportWtf("making Network Policy Service ready", e); 874 } 875 try { 876 if (connectivityF != null) connectivityF.systemReady(); 877 } catch (Throwable e) { 878 reportWtf("making Connectivity Service ready", e); 879 } 880 try { 881 if (dockF != null) dockF.systemReady(); 882 } catch (Throwable e) { 883 reportWtf("making Dock Service ready", e); 884 } 885 try { 886 if (usbF != null) usbF.systemReady(); 887 } catch (Throwable e) { 888 reportWtf("making USB Service ready", e); 889 } 890 try { 891 if (twilightF != null) twilightF.systemReady(); 892 } catch (Throwable e) { 893 reportWtf("makin Twilight Service ready", e); 894 } 895 try { 896 if (uiModeF != null) uiModeF.systemReady(); 897 } catch (Throwable e) { 898 reportWtf("making UI Mode Service ready", e); 899 } 900 try { 901 if (recognitionF != null) recognitionF.systemReady(); 902 } catch (Throwable e) { 903 reportWtf("making Recognition Service ready", e); 904 } 905 Watchdog.getInstance().start(); 906 907 // It is now okay to let the various system services start their 908 // third party code... 909 910 try { 911 if (appWidgetF != null) appWidgetF.systemReady(safeMode); 912 } catch (Throwable e) { 913 reportWtf("making App Widget Service ready", e); 914 } 915 try { 916 if (wallpaperF != null) wallpaperF.systemReady(); 917 } catch (Throwable e) { 918 reportWtf("making Wallpaper Service ready", e); 919 } 920 try { 921 if (immF != null) immF.systemReady(statusBarF); 922 } catch (Throwable e) { 923 reportWtf("making Input Method Service ready", e); 924 } 925 try { 926 if (locationF != null) locationF.systemReady(); 927 } catch (Throwable e) { 928 reportWtf("making Location Service ready", e); 929 } 930 try { 931 if (countryDetectorF != null) countryDetectorF.systemReady(); 932 } catch (Throwable e) { 933 reportWtf("making Country Detector Service ready", e); 934 } 935 try { 936 if (throttleF != null) throttleF.systemReady(); 937 } catch (Throwable e) { 938 reportWtf("making Throttle Service ready", e); 939 } 940 try { 941 if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady(); 942 } catch (Throwable e) { 943 reportWtf("making Network Time Service ready", e); 944 } 945 try { 946 if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady(); 947 } catch (Throwable e) { 948 reportWtf("making Common time management service ready", e); 949 } 950 try { 951 if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady(); 952 } catch (Throwable e) { 953 reportWtf("making Text Services Manager Service ready", e); 954 } 955 try { 956 if (dreamyF != null) dreamyF.systemReady(); 957 } catch (Throwable e) { 958 reportWtf("making DreamManagerService ready", e); 959 } 960 try { 961 // TODO(BT) Pass parameter to input manager 962 if (inputManagerF != null) inputManagerF.systemReady(); 963 } catch (Throwable e) { 964 reportWtf("making InputManagerService ready", e); 965 } 966 } 967 }); 968 969 // For debug builds, log event loop stalls to dropbox for analysis. 970 if (StrictMode.conditionallyEnableDebugLogging()) { 971 Slog.i(TAG, "Enabled StrictMode for system server main thread."); 972 } 973 974 Looper.loop(); 975 Slog.d(TAG, "System ServerThread is exiting!"); 976 } 977 978 static final void startSystemUi(Context context) { 979 Intent intent = new Intent(); 980 intent.setComponent(new ComponentName("com.android.systemui", 981 "com.android.systemui.SystemUIService")); 982 Slog.d(TAG, "Starting service: " + intent); 983 context.startService(intent); 984 } 985} 986 987public class SystemServer { 988 private static final String TAG = "SystemServer"; 989 990 public static final int FACTORY_TEST_OFF = 0; 991 public static final int FACTORY_TEST_LOW_LEVEL = 1; 992 public static final int FACTORY_TEST_HIGH_LEVEL = 2; 993 994 static Timer timer; 995 static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr 996 997 // The earliest supported time. We pick one day into 1970, to 998 // give any timezone code room without going into negative time. 999 private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000; 1000 1001 /** 1002 * This method is called from Zygote to initialize the system. This will cause the native 1003 * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back 1004 * up into init2() to start the Android services. 1005 */ 1006 native public static void init1(String[] args); 1007 1008 public static void main(String[] args) { 1009 if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) { 1010 // If a device's clock is before 1970 (before 0), a lot of 1011 // APIs crash dealing with negative numbers, notably 1012 // java.io.File#setLastModified, so instead we fake it and 1013 // hope that time from cell towers or NTP fixes it 1014 // shortly. 1015 Slog.w(TAG, "System clock is before 1970; setting to 1970."); 1016 SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME); 1017 } 1018 1019 if (SamplingProfilerIntegration.isEnabled()) { 1020 SamplingProfilerIntegration.start(); 1021 timer = new Timer(); 1022 timer.schedule(new TimerTask() { 1023 @Override 1024 public void run() { 1025 SamplingProfilerIntegration.writeSnapshot("system_server", null); 1026 } 1027 }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL); 1028 } 1029 1030 // Mmmmmm... more memory! 1031 dalvik.system.VMRuntime.getRuntime().clearGrowthLimit(); 1032 1033 // The system server has to run all of the time, so it needs to be 1034 // as efficient as possible with its memory usage. 1035 VMRuntime.getRuntime().setTargetHeapUtilization(0.8f); 1036 1037 System.loadLibrary("android_servers"); 1038 init1(args); 1039 } 1040 1041 public static final void init2() { 1042 Slog.i(TAG, "Entered the Android system server!"); 1043 Thread thr = new ServerThread(); 1044 thr.setName("android.server.ServerThread"); 1045 thr.start(); 1046 } 1047} 1048