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      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 
     17 package com.android.server;
     18 
     19 import android.app.ActivityManagerNative;
     20 import android.bluetooth.BluetoothAdapter;
     21 import android.content.ComponentName;
     22 import android.content.ContentResolver;
     23 import android.content.Context;
     24 import android.content.Intent;
     25 import android.content.pm.IPackageManager;
     26 import android.content.pm.PackageManager;
     27 import android.content.res.Configuration;
     28 import android.media.AudioService;
     29 import android.net.wifi.p2p.WifiP2pService;
     30 import android.os.Environment;
     31 import android.os.Handler;
     32 import android.os.HandlerThread;
     33 import android.os.Looper;
     34 import android.os.RemoteException;
     35 import android.os.ServiceManager;
     36 import android.os.StrictMode;
     37 import android.os.SystemClock;
     38 import android.os.SystemProperties;
     39 import android.os.UserHandle;
     40 import android.service.dreams.DreamService;
     41 import android.util.DisplayMetrics;
     42 import android.util.EventLog;
     43 import android.util.Log;
     44 import android.util.Slog;
     45 import android.view.WindowManager;
     46 
     47 import com.android.internal.R;
     48 import com.android.internal.os.BinderInternal;
     49 import com.android.internal.os.SamplingProfilerIntegration;
     50 import com.android.server.accessibility.AccessibilityManagerService;
     51 import com.android.server.accounts.AccountManagerService;
     52 import com.android.server.am.ActivityManagerService;
     53 import com.android.server.am.BatteryStatsService;
     54 import com.android.server.content.ContentService;
     55 import com.android.server.display.DisplayManagerService;
     56 import com.android.server.dreams.DreamManagerService;
     57 import com.android.server.input.InputManagerService;
     58 import com.android.server.net.NetworkPolicyManagerService;
     59 import com.android.server.net.NetworkStatsService;
     60 import com.android.server.os.SchedulingPolicyService;
     61 import com.android.server.pm.Installer;
     62 import com.android.server.pm.PackageManagerService;
     63 import com.android.server.pm.UserManagerService;
     64 import com.android.server.power.PowerManagerService;
     65 import com.android.server.power.ShutdownThread;
     66 import com.android.server.print.PrintManagerService;
     67 import com.android.server.search.SearchManagerService;
     68 import com.android.server.usb.UsbService;
     69 import com.android.server.wifi.WifiService;
     70 import com.android.server.wm.WindowManagerService;
     71 
     72 import dalvik.system.VMRuntime;
     73 import dalvik.system.Zygote;
     74 
     75 import java.io.File;
     76 import java.util.Timer;
     77 import java.util.TimerTask;
     78 
     79 class ServerThread {
     80     private static final String TAG = "SystemServer";
     81     private static final String ENCRYPTING_STATE = "trigger_restart_min_framework";
     82     private static final String ENCRYPTED_STATE = "1";
     83 
     84     ContentResolver mContentResolver;
     85 
     86     void reportWtf(String msg, Throwable e) {
     87         Slog.w(TAG, "***********************************************");
     88         Log.wtf(TAG, "BOOT FAILURE " + msg, e);
     89     }
     90 
     91     public void initAndLoop() {
     92         EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
     93             SystemClock.uptimeMillis());
     94 
     95         Looper.prepareMainLooper();
     96 
     97         android.os.Process.setThreadPriority(
     98                 android.os.Process.THREAD_PRIORITY_FOREGROUND);
     99 
    100         BinderInternal.disableBackgroundScheduling(true);
    101         android.os.Process.setCanSelfBackground(false);
    102 
    103         // Check whether we failed to shut down last time we tried.
    104         {
    105             final String shutdownAction = SystemProperties.get(
    106                     ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
    107             if (shutdownAction != null && shutdownAction.length() > 0) {
    108                 boolean reboot = (shutdownAction.charAt(0) == '1');
    109 
    110                 final String reason;
    111                 if (shutdownAction.length() > 1) {
    112                     reason = shutdownAction.substring(1, shutdownAction.length());
    113                 } else {
    114                     reason = null;
    115                 }
    116 
    117                 ShutdownThread.rebootOrShutdown(reboot, reason);
    118             }
    119         }
    120 
    121         String factoryTestStr = SystemProperties.get("ro.factorytest");
    122         int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
    123                 : Integer.parseInt(factoryTestStr);
    124         final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0"));
    125 
    126         Installer installer = null;
    127         AccountManagerService accountManager = null;
    128         ContentService contentService = null;
    129         LightsService lights = null;
    130         PowerManagerService power = null;
    131         DisplayManagerService display = null;
    132         BatteryService battery = null;
    133         VibratorService vibrator = null;
    134         AlarmManagerService alarm = null;
    135         MountService mountService = null;
    136         NetworkManagementService networkManagement = null;
    137         NetworkStatsService networkStats = null;
    138         NetworkPolicyManagerService networkPolicy = null;
    139         ConnectivityService connectivity = null;
    140         WifiP2pService wifiP2p = null;
    141         WifiService wifi = null;
    142         NsdService serviceDiscovery= null;
    143         IPackageManager pm = null;
    144         Context context = null;
    145         WindowManagerService wm = null;
    146         BluetoothManagerService bluetooth = null;
    147         DockObserver dock = null;
    148         UsbService usb = null;
    149         SerialService serial = null;
    150         TwilightService twilight = null;
    151         UiModeManagerService uiMode = null;
    152         RecognitionManagerService recognition = null;
    153         NetworkTimeUpdateService networkTimeUpdater = null;
    154         CommonTimeManagementService commonTimeMgmtService = null;
    155         InputManagerService inputManager = null;
    156         TelephonyRegistry telephonyRegistry = null;
    157         ConsumerIrService consumerIr = null;
    158 
    159         // Create a handler thread just for the window manager to enjoy.
    160         HandlerThread wmHandlerThread = new HandlerThread("WindowManager");
    161         wmHandlerThread.start();
    162         Handler wmHandler = new Handler(wmHandlerThread.getLooper());
    163         wmHandler.post(new Runnable() {
    164             @Override
    165             public void run() {
    166                 //Looper.myLooper().setMessageLogging(new LogPrinter(
    167                 //        android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM));
    168                 android.os.Process.setThreadPriority(
    169                         android.os.Process.THREAD_PRIORITY_DISPLAY);
    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 WM Looper");
    175                 }
    176             }
    177         });
    178 
    179         // bootstrap services
    180         boolean onlyCore = false;
    181         boolean firstBoot = false;
    182         try {
    183             // Wait for installd to finished starting up so that it has a chance to
    184             // create critical directories such as /data/user with the appropriate
    185             // permissions.  We need this to complete before we initialize other services.
    186             Slog.i(TAG, "Waiting for installd to be ready.");
    187             installer = new Installer();
    188             installer.ping();
    189 
    190             Slog.i(TAG, "Power Manager");
    191             power = new PowerManagerService();
    192             ServiceManager.addService(Context.POWER_SERVICE, power);
    193 
    194             Slog.i(TAG, "Activity Manager");
    195             context = ActivityManagerService.main(factoryTest);
    196         } catch (RuntimeException e) {
    197             Slog.e("System", "******************************************");
    198             Slog.e("System", "************ Failure starting bootstrap service", e);
    199         }
    200 
    201         boolean disableStorage = SystemProperties.getBoolean("config.disable_storage", false);
    202         boolean disableMedia = SystemProperties.getBoolean("config.disable_media", false);
    203         boolean disableBluetooth = SystemProperties.getBoolean("config.disable_bluetooth", false);
    204         boolean disableTelephony = SystemProperties.getBoolean("config.disable_telephony", false);
    205         boolean disableLocation = SystemProperties.getBoolean("config.disable_location", false);
    206         boolean disableSystemUI = SystemProperties.getBoolean("config.disable_systemui", false);
    207         boolean disableNonCoreServices = SystemProperties.getBoolean("config.disable_noncore", false);
    208         boolean disableNetwork = SystemProperties.getBoolean("config.disable_network", false);
    209 
    210         try {
    211             Slog.i(TAG, "Display Manager");
    212             display = new DisplayManagerService(context, wmHandler);
    213             ServiceManager.addService(Context.DISPLAY_SERVICE, display, true);
    214 
    215             Slog.i(TAG, "Telephony Registry");
    216             telephonyRegistry = new TelephonyRegistry(context);
    217             ServiceManager.addService("telephony.registry", telephonyRegistry);
    218 
    219             Slog.i(TAG, "Scheduling Policy");
    220             ServiceManager.addService("scheduling_policy", new SchedulingPolicyService());
    221 
    222             AttributeCache.init(context);
    223 
    224             if (!display.waitForDefaultDisplay()) {
    225                 reportWtf("Timeout waiting for default display to be initialized.",
    226                         new Throwable());
    227             }
    228 
    229             Slog.i(TAG, "Package Manager");
    230             // Only run "core" apps if we're encrypting the device.
    231             String cryptState = SystemProperties.get("vold.decrypt");
    232             if (ENCRYPTING_STATE.equals(cryptState)) {
    233                 Slog.w(TAG, "Detected encryption in progress - only parsing core apps");
    234                 onlyCore = true;
    235             } else if (ENCRYPTED_STATE.equals(cryptState)) {
    236                 Slog.w(TAG, "Device encrypted - only parsing core apps");
    237                 onlyCore = true;
    238             }
    239 
    240             pm = PackageManagerService.main(context, installer,
    241                     factoryTest != SystemServer.FACTORY_TEST_OFF,
    242                     onlyCore);
    243             try {
    244                 firstBoot = pm.isFirstBoot();
    245             } catch (RemoteException e) {
    246             }
    247 
    248             ActivityManagerService.setSystemProcess();
    249 
    250             Slog.i(TAG, "Entropy Mixer");
    251             ServiceManager.addService("entropy", new EntropyMixer(context));
    252 
    253             Slog.i(TAG, "User Service");
    254             ServiceManager.addService(Context.USER_SERVICE,
    255                     UserManagerService.getInstance());
    256 
    257             mContentResolver = context.getContentResolver();
    258 
    259             // The AccountManager must come before the ContentService
    260             try {
    261                 // TODO: seems like this should be disable-able, but req'd by ContentService
    262                 Slog.i(TAG, "Account Manager");
    263                 accountManager = new AccountManagerService(context);
    264                 ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager);
    265             } catch (Throwable e) {
    266                 Slog.e(TAG, "Failure starting Account Manager", e);
    267             }
    268 
    269             Slog.i(TAG, "Content Manager");
    270             contentService = ContentService.main(context,
    271                     factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);
    272 
    273             Slog.i(TAG, "System Content Providers");
    274             ActivityManagerService.installSystemProviders();
    275 
    276             Slog.i(TAG, "Lights Service");
    277             lights = new LightsService(context);
    278 
    279             Slog.i(TAG, "Battery Service");
    280             battery = new BatteryService(context, lights);
    281             ServiceManager.addService("battery", battery);
    282 
    283             Slog.i(TAG, "Vibrator Service");
    284             vibrator = new VibratorService(context);
    285             ServiceManager.addService("vibrator", vibrator);
    286 
    287             Slog.i(TAG, "Consumer IR Service");
    288             consumerIr = new ConsumerIrService(context);
    289             ServiceManager.addService(Context.CONSUMER_IR_SERVICE, consumerIr);
    290 
    291             // only initialize the power service after we have started the
    292             // lights service, content providers and the battery service.
    293             power.init(context, lights, ActivityManagerService.self(), battery,
    294                     BatteryStatsService.getService(),
    295                     ActivityManagerService.self().getAppOpsService(), display);
    296 
    297             Slog.i(TAG, "Alarm Manager");
    298             alarm = new AlarmManagerService(context);
    299             ServiceManager.addService(Context.ALARM_SERVICE, alarm);
    300 
    301             Slog.i(TAG, "Init Watchdog");
    302             Watchdog.getInstance().init(context, battery, power, alarm,
    303                     ActivityManagerService.self());
    304             Watchdog.getInstance().addThread(wmHandler, "WindowManager thread");
    305 
    306             Slog.i(TAG, "Input Manager");
    307             inputManager = new InputManagerService(context, wmHandler);
    308 
    309             Slog.i(TAG, "Window Manager");
    310             wm = WindowManagerService.main(context, power, display, inputManager,
    311                     wmHandler, factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL,
    312                     !firstBoot, onlyCore);
    313             ServiceManager.addService(Context.WINDOW_SERVICE, wm);
    314             ServiceManager.addService(Context.INPUT_SERVICE, inputManager);
    315 
    316             ActivityManagerService.self().setWindowManager(wm);
    317 
    318             inputManager.setWindowManagerCallbacks(wm.getInputMonitor());
    319             inputManager.start();
    320 
    321             display.setWindowManager(wm);
    322             display.setInputManager(inputManager);
    323 
    324             // Skip Bluetooth if we have an emulator kernel
    325             // TODO: Use a more reliable check to see if this product should
    326             // support Bluetooth - see bug 988521
    327             if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
    328                 Slog.i(TAG, "No Bluetooh Service (emulator)");
    329             } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
    330                 Slog.i(TAG, "No Bluetooth Service (factory test)");
    331             } else if (!context.getPackageManager().hasSystemFeature
    332                        (PackageManager.FEATURE_BLUETOOTH)) {
    333                 Slog.i(TAG, "No Bluetooth Service (Bluetooth Hardware Not Present)");
    334             } else if (disableBluetooth) {
    335                 Slog.i(TAG, "Bluetooth Service disabled by config");
    336             } else {
    337                 Slog.i(TAG, "Bluetooth Manager Service");
    338                 bluetooth = new BluetoothManagerService(context);
    339                 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth);
    340             }
    341         } catch (RuntimeException e) {
    342             Slog.e("System", "******************************************");
    343             Slog.e("System", "************ Failure starting core service", e);
    344         }
    345 
    346         DevicePolicyManagerService devicePolicy = null;
    347         StatusBarManagerService statusBar = null;
    348         InputMethodManagerService imm = null;
    349         AppWidgetService appWidget = null;
    350         NotificationManagerService notification = null;
    351         WallpaperManagerService wallpaper = null;
    352         LocationManagerService location = null;
    353         CountryDetectorService countryDetector = null;
    354         TextServicesManagerService tsms = null;
    355         LockSettingsService lockSettings = null;
    356         DreamManagerService dreamy = null;
    357         AssetAtlasService atlas = null;
    358         PrintManagerService printManager = null;
    359 
    360         // Bring up services needed for UI.
    361         if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
    362             //if (!disableNonCoreServices) { // TODO: View depends on these; mock them?
    363             if (true) {
    364                 try {
    365                     Slog.i(TAG, "Input Method Service");
    366                     imm = new InputMethodManagerService(context, wm);
    367                     ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
    368                 } catch (Throwable e) {
    369                     reportWtf("starting Input Manager Service", e);
    370                 }
    371 
    372                 try {
    373                     Slog.i(TAG, "Accessibility Manager");
    374                     ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
    375                             new AccessibilityManagerService(context));
    376                 } catch (Throwable e) {
    377                     reportWtf("starting Accessibility Manager", e);
    378                 }
    379             }
    380         }
    381 
    382         try {
    383             wm.displayReady();
    384         } catch (Throwable e) {
    385             reportWtf("making display ready", e);
    386         }
    387 
    388         try {
    389             pm.performBootDexOpt();
    390         } catch (Throwable e) {
    391             reportWtf("performing boot dexopt", e);
    392         }
    393 
    394         try {
    395             ActivityManagerNative.getDefault().showBootMessage(
    396                     context.getResources().getText(
    397                             com.android.internal.R.string.android_upgrading_starting_apps),
    398                             false);
    399         } catch (RemoteException e) {
    400         }
    401 
    402         if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
    403             if (!disableStorage &&
    404                 !"0".equals(SystemProperties.get("system_init.startmountservice"))) {
    405                 try {
    406                     /*
    407                      * NotificationManagerService is dependant on MountService,
    408                      * (for media / usb notifications) so we must start MountService first.
    409                      */
    410                     Slog.i(TAG, "Mount Service");
    411                     mountService = new MountService(context);
    412                     ServiceManager.addService("mount", mountService);
    413                 } catch (Throwable e) {
    414                     reportWtf("starting Mount Service", e);
    415                 }
    416             }
    417 
    418             if (!disableNonCoreServices) {
    419                 try {
    420                     Slog.i(TAG,  "LockSettingsService");
    421                     lockSettings = new LockSettingsService(context);
    422                     ServiceManager.addService("lock_settings", lockSettings);
    423                 } catch (Throwable e) {
    424                     reportWtf("starting LockSettingsService service", e);
    425                 }
    426 
    427                 try {
    428                     Slog.i(TAG, "Device Policy");
    429                     devicePolicy = new DevicePolicyManagerService(context);
    430                     ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
    431                 } catch (Throwable e) {
    432                     reportWtf("starting DevicePolicyService", e);
    433                 }
    434             }
    435 
    436             if (!disableSystemUI) {
    437                 try {
    438                     Slog.i(TAG, "Status Bar");
    439                     statusBar = new StatusBarManagerService(context, wm);
    440                     ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
    441                 } catch (Throwable e) {
    442                     reportWtf("starting StatusBarManagerService", e);
    443                 }
    444             }
    445 
    446             if (!disableNonCoreServices) {
    447                 try {
    448                     Slog.i(TAG, "Clipboard Service");
    449                     ServiceManager.addService(Context.CLIPBOARD_SERVICE,
    450                             new ClipboardService(context));
    451                 } catch (Throwable e) {
    452                     reportWtf("starting Clipboard Service", e);
    453                 }
    454             }
    455 
    456             if (!disableNetwork) {
    457                 try {
    458                     Slog.i(TAG, "NetworkManagement Service");
    459                     networkManagement = NetworkManagementService.create(context);
    460                     ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
    461                 } catch (Throwable e) {
    462                     reportWtf("starting NetworkManagement Service", e);
    463                 }
    464             }
    465 
    466             if (!disableNonCoreServices) {
    467                 try {
    468                     Slog.i(TAG, "Text Service Manager Service");
    469                     tsms = new TextServicesManagerService(context);
    470                     ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms);
    471                 } catch (Throwable e) {
    472                     reportWtf("starting Text Service Manager Service", e);
    473                 }
    474             }
    475 
    476             if (!disableNetwork) {
    477                 try {
    478                     Slog.i(TAG, "NetworkStats Service");
    479                     networkStats = new NetworkStatsService(context, networkManagement, alarm);
    480                     ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
    481                 } catch (Throwable e) {
    482                     reportWtf("starting NetworkStats Service", e);
    483                 }
    484 
    485                 try {
    486                     Slog.i(TAG, "NetworkPolicy Service");
    487                     networkPolicy = new NetworkPolicyManagerService(
    488                             context, ActivityManagerService.self(), power,
    489                             networkStats, networkManagement);
    490                     ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);
    491                 } catch (Throwable e) {
    492                     reportWtf("starting NetworkPolicy Service", e);
    493                 }
    494 
    495                try {
    496                     Slog.i(TAG, "Wi-Fi P2pService");
    497                     wifiP2p = new WifiP2pService(context);
    498                     ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p);
    499                 } catch (Throwable e) {
    500                     reportWtf("starting Wi-Fi P2pService", e);
    501                 }
    502 
    503                try {
    504                     Slog.i(TAG, "Wi-Fi Service");
    505                     wifi = new WifiService(context);
    506                     ServiceManager.addService(Context.WIFI_SERVICE, wifi);
    507                 } catch (Throwable e) {
    508                     reportWtf("starting Wi-Fi Service", e);
    509                 }
    510 
    511                 try {
    512                     Slog.i(TAG, "Connectivity Service");
    513                     connectivity = new ConnectivityService(
    514                             context, networkManagement, networkStats, networkPolicy);
    515                     ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
    516                     networkStats.bindConnectivityManager(connectivity);
    517                     networkPolicy.bindConnectivityManager(connectivity);
    518 
    519                     wifiP2p.connectivityServiceReady();
    520                     wifi.checkAndStartWifi();
    521                 } catch (Throwable e) {
    522                     reportWtf("starting Connectivity Service", e);
    523                 }
    524 
    525                 try {
    526                     Slog.i(TAG, "Network Service Discovery Service");
    527                     serviceDiscovery = NsdService.create(context);
    528                     ServiceManager.addService(
    529                             Context.NSD_SERVICE, serviceDiscovery);
    530                 } catch (Throwable e) {
    531                     reportWtf("starting Service Discovery Service", e);
    532                 }
    533             }
    534 
    535             if (!disableNonCoreServices) {
    536                 try {
    537                     Slog.i(TAG, "UpdateLock Service");
    538                     ServiceManager.addService(Context.UPDATE_LOCK_SERVICE,
    539                             new UpdateLockService(context));
    540                 } catch (Throwable e) {
    541                     reportWtf("starting UpdateLockService", e);
    542                 }
    543             }
    544 
    545             /*
    546              * MountService has a few dependencies: Notification Manager and
    547              * AppWidget Provider. Make sure MountService is completely started
    548              * first before continuing.
    549              */
    550             if (mountService != null && !onlyCore) {
    551                 mountService.waitForAsecScan();
    552             }
    553 
    554             try {
    555                 if (accountManager != null)
    556                     accountManager.systemReady();
    557             } catch (Throwable e) {
    558                 reportWtf("making Account Manager Service ready", e);
    559             }
    560 
    561             try {
    562                 if (contentService != null)
    563                     contentService.systemReady();
    564             } catch (Throwable e) {
    565                 reportWtf("making Content Service ready", e);
    566             }
    567 
    568             try {
    569                 Slog.i(TAG, "Notification Manager");
    570                 notification = new NotificationManagerService(context, statusBar, lights);
    571                 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
    572                 networkPolicy.bindNotificationManager(notification);
    573             } catch (Throwable e) {
    574                 reportWtf("starting Notification Manager", e);
    575             }
    576 
    577             try {
    578                 Slog.i(TAG, "Device Storage Monitor");
    579                 ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
    580                         new DeviceStorageMonitorService(context));
    581             } catch (Throwable e) {
    582                 reportWtf("starting DeviceStorageMonitor service", e);
    583             }
    584 
    585             if (!disableLocation) {
    586                 try {
    587                     Slog.i(TAG, "Location Manager");
    588                     location = new LocationManagerService(context);
    589                     ServiceManager.addService(Context.LOCATION_SERVICE, location);
    590                 } catch (Throwable e) {
    591                     reportWtf("starting Location Manager", e);
    592                 }
    593 
    594                 try {
    595                     Slog.i(TAG, "Country Detector");
    596                     countryDetector = new CountryDetectorService(context);
    597                     ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector);
    598                 } catch (Throwable e) {
    599                     reportWtf("starting Country Detector", e);
    600                 }
    601             }
    602 
    603             if (!disableNonCoreServices) {
    604                 try {
    605                     Slog.i(TAG, "Search Service");
    606                     ServiceManager.addService(Context.SEARCH_SERVICE,
    607                             new SearchManagerService(context));
    608                 } catch (Throwable e) {
    609                     reportWtf("starting Search Service", e);
    610                 }
    611             }
    612 
    613             try {
    614                 Slog.i(TAG, "DropBox Service");
    615                 ServiceManager.addService(Context.DROPBOX_SERVICE,
    616                         new DropBoxManagerService(context, new File("/data/system/dropbox")));
    617             } catch (Throwable e) {
    618                 reportWtf("starting DropBoxManagerService", e);
    619             }
    620 
    621             if (!disableNonCoreServices && context.getResources().getBoolean(
    622                         R.bool.config_enableWallpaperService)) {
    623                 try {
    624                     Slog.i(TAG, "Wallpaper Service");
    625                     if (!headless) {
    626                         wallpaper = new WallpaperManagerService(context);
    627                         ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
    628                     }
    629                 } catch (Throwable e) {
    630                     reportWtf("starting Wallpaper Service", e);
    631                 }
    632             }
    633 
    634             if (!disableMedia && !"0".equals(SystemProperties.get("system_init.startaudioservice"))) {
    635                 try {
    636                     Slog.i(TAG, "Audio Service");
    637                     ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
    638                 } catch (Throwable e) {
    639                     reportWtf("starting Audio Service", e);
    640                 }
    641             }
    642 
    643             if (!disableNonCoreServices) {
    644                 try {
    645                     Slog.i(TAG, "Dock Observer");
    646                     // Listen for dock station changes
    647                     dock = new DockObserver(context);
    648                 } catch (Throwable e) {
    649                     reportWtf("starting DockObserver", e);
    650                 }
    651             }
    652 
    653             if (!disableMedia) {
    654                 try {
    655                     Slog.i(TAG, "Wired Accessory Manager");
    656                     // Listen for wired headset changes
    657                     inputManager.setWiredAccessoryCallbacks(
    658                             new WiredAccessoryManager(context, inputManager));
    659                 } catch (Throwable e) {
    660                     reportWtf("starting WiredAccessoryManager", e);
    661                 }
    662             }
    663 
    664             if (!disableNonCoreServices) {
    665                 try {
    666                     Slog.i(TAG, "USB Service");
    667                     // Manage USB host and device support
    668                     usb = new UsbService(context);
    669                     ServiceManager.addService(Context.USB_SERVICE, usb);
    670                 } catch (Throwable e) {
    671                     reportWtf("starting UsbService", e);
    672                 }
    673 
    674                 try {
    675                     Slog.i(TAG, "Serial Service");
    676                     // Serial port support
    677                     serial = new SerialService(context);
    678                     ServiceManager.addService(Context.SERIAL_SERVICE, serial);
    679                 } catch (Throwable e) {
    680                     Slog.e(TAG, "Failure starting SerialService", e);
    681                 }
    682             }
    683 
    684             try {
    685                 Slog.i(TAG, "Twilight Service");
    686                 twilight = new TwilightService(context);
    687             } catch (Throwable e) {
    688                 reportWtf("starting TwilightService", e);
    689             }
    690 
    691             try {
    692                 Slog.i(TAG, "UI Mode Manager Service");
    693                 // Listen for UI mode changes
    694                 uiMode = new UiModeManagerService(context, twilight);
    695             } catch (Throwable e) {
    696                 reportWtf("starting UiModeManagerService", e);
    697             }
    698 
    699             if (!disableNonCoreServices) {
    700                 try {
    701                     Slog.i(TAG, "Backup Service");
    702                     ServiceManager.addService(Context.BACKUP_SERVICE,
    703                             new BackupManagerService(context));
    704                 } catch (Throwable e) {
    705                     Slog.e(TAG, "Failure starting Backup Service", e);
    706                 }
    707 
    708                 try {
    709                     Slog.i(TAG, "AppWidget Service");
    710                     appWidget = new AppWidgetService(context);
    711                     ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
    712                 } catch (Throwable e) {
    713                     reportWtf("starting AppWidget Service", e);
    714                 }
    715 
    716                 try {
    717                     Slog.i(TAG, "Recognition Service");
    718                     recognition = new RecognitionManagerService(context);
    719                 } catch (Throwable e) {
    720                     reportWtf("starting Recognition Service", e);
    721                 }
    722             }
    723 
    724             try {
    725                 Slog.i(TAG, "DiskStats Service");
    726                 ServiceManager.addService("diskstats", new DiskStatsService(context));
    727             } catch (Throwable e) {
    728                 reportWtf("starting DiskStats Service", e);
    729             }
    730 
    731             try {
    732                 // need to add this service even if SamplingProfilerIntegration.isEnabled()
    733                 // is false, because it is this service that detects system property change and
    734                 // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work,
    735                 // there is little overhead for running this service.
    736                 Slog.i(TAG, "SamplingProfiler Service");
    737                 ServiceManager.addService("samplingprofiler",
    738                             new SamplingProfilerService(context));
    739             } catch (Throwable e) {
    740                 reportWtf("starting SamplingProfiler Service", e);
    741             }
    742 
    743             if (!disableNetwork) {
    744                 try {
    745                     Slog.i(TAG, "NetworkTimeUpdateService");
    746                     networkTimeUpdater = new NetworkTimeUpdateService(context);
    747                 } catch (Throwable e) {
    748                     reportWtf("starting NetworkTimeUpdate service", e);
    749                 }
    750             }
    751 
    752             if (!disableMedia) {
    753                 try {
    754                     Slog.i(TAG, "CommonTimeManagementService");
    755                     commonTimeMgmtService = new CommonTimeManagementService(context);
    756                     ServiceManager.addService("commontime_management", commonTimeMgmtService);
    757                 } catch (Throwable e) {
    758                     reportWtf("starting CommonTimeManagementService service", e);
    759                 }
    760             }
    761 
    762             if (!disableNetwork) {
    763                 try {
    764                     Slog.i(TAG, "CertBlacklister");
    765                     CertBlacklister blacklister = new CertBlacklister(context);
    766                 } catch (Throwable e) {
    767                     reportWtf("starting CertBlacklister", e);
    768                 }
    769             }
    770 
    771             if (!disableNonCoreServices &&
    772                 context.getResources().getBoolean(R.bool.config_dreamsSupported)) {
    773                 try {
    774                     Slog.i(TAG, "Dreams Service");
    775                     // Dreams (interactive idle-time views, a/k/a screen savers)
    776                     dreamy = new DreamManagerService(context, wmHandler);
    777                     ServiceManager.addService(DreamService.DREAM_SERVICE, dreamy);
    778                 } catch (Throwable e) {
    779                     reportWtf("starting DreamManagerService", e);
    780                 }
    781             }
    782 
    783             if (!disableNonCoreServices) {
    784                 try {
    785                     Slog.i(TAG, "Assets Atlas Service");
    786                     atlas = new AssetAtlasService(context);
    787                     ServiceManager.addService(AssetAtlasService.ASSET_ATLAS_SERVICE, atlas);
    788                 } catch (Throwable e) {
    789                     reportWtf("starting AssetAtlasService", e);
    790                 }
    791             }
    792 
    793             try {
    794                 Slog.i(TAG, "IdleMaintenanceService");
    795                 new IdleMaintenanceService(context, battery);
    796             } catch (Throwable e) {
    797                 reportWtf("starting IdleMaintenanceService", e);
    798             }
    799 
    800             try {
    801                 Slog.i(TAG, "Print Service");
    802                 printManager = new PrintManagerService(context);
    803                 ServiceManager.addService(Context.PRINT_SERVICE, printManager);
    804             } catch (Throwable e) {
    805                 reportWtf("starting Print Service", e);
    806             }
    807         }
    808 
    809         // Before things start rolling, be sure we have decided whether
    810         // we are in safe mode.
    811         final boolean safeMode = wm.detectSafeMode();
    812         if (safeMode) {
    813             ActivityManagerService.self().enterSafeMode();
    814             // Post the safe mode state in the Zygote class
    815             Zygote.systemInSafeMode = true;
    816             // Disable the JIT for the system_server process
    817             VMRuntime.getRuntime().disableJitCompilation();
    818         } else {
    819             // Enable the JIT for the system_server process
    820             VMRuntime.getRuntime().startJitCompilation();
    821         }
    822 
    823         // It is now time to start up the app processes...
    824 
    825         try {
    826             vibrator.systemReady();
    827         } catch (Throwable e) {
    828             reportWtf("making Vibrator Service ready", e);
    829         }
    830 
    831         if (lockSettings != null) {
    832             try {
    833                 lockSettings.systemReady();
    834             } catch (Throwable e) {
    835                 reportWtf("making Lock Settings Service ready", e);
    836             }
    837         }
    838 
    839         if (devicePolicy != null) {
    840             try {
    841                 devicePolicy.systemReady();
    842             } catch (Throwable e) {
    843                 reportWtf("making Device Policy Service ready", e);
    844             }
    845         }
    846 
    847         if (notification != null) {
    848             try {
    849                 notification.systemReady();
    850             } catch (Throwable e) {
    851                 reportWtf("making Notification Service ready", e);
    852             }
    853         }
    854 
    855         try {
    856             wm.systemReady();
    857         } catch (Throwable e) {
    858             reportWtf("making Window Manager Service ready", e);
    859         }
    860 
    861         if (safeMode) {
    862             ActivityManagerService.self().showSafeModeOverlay();
    863         }
    864 
    865         // Update the configuration for this context by hand, because we're going
    866         // to start using it before the config change done in wm.systemReady() will
    867         // propagate to it.
    868         Configuration config = wm.computeNewConfiguration();
    869         DisplayMetrics metrics = new DisplayMetrics();
    870         WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
    871         w.getDefaultDisplay().getMetrics(metrics);
    872         context.getResources().updateConfiguration(config, metrics);
    873 
    874         try {
    875             power.systemReady(twilight, dreamy);
    876         } catch (Throwable e) {
    877             reportWtf("making Power Manager Service ready", e);
    878         }
    879 
    880         try {
    881             pm.systemReady();
    882         } catch (Throwable e) {
    883             reportWtf("making Package Manager Service ready", e);
    884         }
    885 
    886         try {
    887             display.systemReady(safeMode, onlyCore);
    888         } catch (Throwable e) {
    889             reportWtf("making Display Manager Service ready", e);
    890         }
    891 
    892         // These are needed to propagate to the runnable below.
    893         final Context contextF = context;
    894         final MountService mountServiceF = mountService;
    895         final BatteryService batteryF = battery;
    896         final NetworkManagementService networkManagementF = networkManagement;
    897         final NetworkStatsService networkStatsF = networkStats;
    898         final NetworkPolicyManagerService networkPolicyF = networkPolicy;
    899         final ConnectivityService connectivityF = connectivity;
    900         final DockObserver dockF = dock;
    901         final UsbService usbF = usb;
    902         final TwilightService twilightF = twilight;
    903         final UiModeManagerService uiModeF = uiMode;
    904         final AppWidgetService appWidgetF = appWidget;
    905         final WallpaperManagerService wallpaperF = wallpaper;
    906         final InputMethodManagerService immF = imm;
    907         final RecognitionManagerService recognitionF = recognition;
    908         final LocationManagerService locationF = location;
    909         final CountryDetectorService countryDetectorF = countryDetector;
    910         final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater;
    911         final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService;
    912         final TextServicesManagerService textServiceManagerServiceF = tsms;
    913         final StatusBarManagerService statusBarF = statusBar;
    914         final DreamManagerService dreamyF = dreamy;
    915         final AssetAtlasService atlasF = atlas;
    916         final InputManagerService inputManagerF = inputManager;
    917         final TelephonyRegistry telephonyRegistryF = telephonyRegistry;
    918         final PrintManagerService printManagerF = printManager;
    919 
    920         // We now tell the activity manager it is okay to run third party
    921         // code.  It will call back into us once it has gotten to the state
    922         // where third party code can really run (but before it has actually
    923         // started launching the initial applications), for us to complete our
    924         // initialization.
    925         ActivityManagerService.self().systemReady(new Runnable() {
    926             public void run() {
    927                 Slog.i(TAG, "Making services ready");
    928 
    929                 try {
    930                     ActivityManagerService.self().startObservingNativeCrashes();
    931                 } catch (Throwable e) {
    932                     reportWtf("observing native crashes", e);
    933                 }
    934                 if (!headless) {
    935                     startSystemUi(contextF);
    936                 }
    937                 try {
    938                     if (mountServiceF != null) mountServiceF.systemReady();
    939                 } catch (Throwable e) {
    940                     reportWtf("making Mount Service ready", e);
    941                 }
    942                 try {
    943                     if (batteryF != null) batteryF.systemReady();
    944                 } catch (Throwable e) {
    945                     reportWtf("making Battery Service ready", e);
    946                 }
    947                 try {
    948                     if (networkManagementF != null) networkManagementF.systemReady();
    949                 } catch (Throwable e) {
    950                     reportWtf("making Network Managment Service ready", e);
    951                 }
    952                 try {
    953                     if (networkStatsF != null) networkStatsF.systemReady();
    954                 } catch (Throwable e) {
    955                     reportWtf("making Network Stats Service ready", e);
    956                 }
    957                 try {
    958                     if (networkPolicyF != null) networkPolicyF.systemReady();
    959                 } catch (Throwable e) {
    960                     reportWtf("making Network Policy Service ready", e);
    961                 }
    962                 try {
    963                     if (connectivityF != null) connectivityF.systemReady();
    964                 } catch (Throwable e) {
    965                     reportWtf("making Connectivity Service ready", e);
    966                 }
    967                 try {
    968                     if (dockF != null) dockF.systemReady();
    969                 } catch (Throwable e) {
    970                     reportWtf("making Dock Service ready", e);
    971                 }
    972                 try {
    973                     if (usbF != null) usbF.systemReady();
    974                 } catch (Throwable e) {
    975                     reportWtf("making USB Service ready", e);
    976                 }
    977                 try {
    978                     if (twilightF != null) twilightF.systemReady();
    979                 } catch (Throwable e) {
    980                     reportWtf("makin Twilight Service ready", e);
    981                 }
    982                 try {
    983                     if (uiModeF != null) uiModeF.systemReady();
    984                 } catch (Throwable e) {
    985                     reportWtf("making UI Mode Service ready", e);
    986                 }
    987                 try {
    988                     if (recognitionF != null) recognitionF.systemReady();
    989                 } catch (Throwable e) {
    990                     reportWtf("making Recognition Service ready", e);
    991                 }
    992                 Watchdog.getInstance().start();
    993 
    994                 // It is now okay to let the various system services start their
    995                 // third party code...
    996 
    997                 try {
    998                     if (appWidgetF != null) appWidgetF.systemRunning(safeMode);
    999                 } catch (Throwable e) {
   1000                     reportWtf("Notifying AppWidgetService running", e);
   1001                 }
   1002                 try {
   1003                     if (wallpaperF != null) wallpaperF.systemRunning();
   1004                 } catch (Throwable e) {
   1005                     reportWtf("Notifying WallpaperService running", e);
   1006                 }
   1007                 try {
   1008                     if (immF != null) immF.systemRunning(statusBarF);
   1009                 } catch (Throwable e) {
   1010                     reportWtf("Notifying InputMethodService running", e);
   1011                 }
   1012                 try {
   1013                     if (locationF != null) locationF.systemRunning();
   1014                 } catch (Throwable e) {
   1015                     reportWtf("Notifying Location Service running", e);
   1016                 }
   1017                 try {
   1018                     if (countryDetectorF != null) countryDetectorF.systemRunning();
   1019                 } catch (Throwable e) {
   1020                     reportWtf("Notifying CountryDetectorService running", e);
   1021                 }
   1022                 try {
   1023                     if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemRunning();
   1024                 } catch (Throwable e) {
   1025                     reportWtf("Notifying NetworkTimeService running", e);
   1026                 }
   1027                 try {
   1028                     if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemRunning();
   1029                 } catch (Throwable e) {
   1030                     reportWtf("Notifying CommonTimeManagementService running", e);
   1031                 }
   1032                 try {
   1033                     if (textServiceManagerServiceF != null)
   1034                         textServiceManagerServiceF.systemRunning();
   1035                 } catch (Throwable e) {
   1036                     reportWtf("Notifying TextServicesManagerService running", e);
   1037                 }
   1038                 try {
   1039                     if (dreamyF != null) dreamyF.systemRunning();
   1040                 } catch (Throwable e) {
   1041                     reportWtf("Notifying DreamManagerService running", e);
   1042                 }
   1043                 try {
   1044                     if (atlasF != null) atlasF.systemRunning();
   1045                 } catch (Throwable e) {
   1046                     reportWtf("Notifying AssetAtlasService running", e);
   1047                 }
   1048                 try {
   1049                     // TODO(BT) Pass parameter to input manager
   1050                     if (inputManagerF != null) inputManagerF.systemRunning();
   1051                 } catch (Throwable e) {
   1052                     reportWtf("Notifying InputManagerService running", e);
   1053                 }
   1054 
   1055                 try {
   1056                     if (telephonyRegistryF != null) telephonyRegistryF.systemRunning();
   1057                 } catch (Throwable e) {
   1058                     reportWtf("Notifying TelephonyRegistry running", e);
   1059                 }
   1060 
   1061                 try {
   1062                     if (printManagerF != null) printManagerF.systemRuning();
   1063                 } catch (Throwable e) {
   1064                     reportWtf("Notifying PrintManagerService running", e);
   1065                 }
   1066             }
   1067         });
   1068 
   1069         // For debug builds, log event loop stalls to dropbox for analysis.
   1070         if (StrictMode.conditionallyEnableDebugLogging()) {
   1071             Slog.i(TAG, "Enabled StrictMode for system server main thread.");
   1072         }
   1073 
   1074         Looper.loop();
   1075         Slog.d(TAG, "System ServerThread is exiting!");
   1076     }
   1077 
   1078     static final void startSystemUi(Context context) {
   1079         Intent intent = new Intent();
   1080         intent.setComponent(new ComponentName("com.android.systemui",
   1081                     "com.android.systemui.SystemUIService"));
   1082         //Slog.d(TAG, "Starting service: " + intent);
   1083         context.startServiceAsUser(intent, UserHandle.OWNER);
   1084     }
   1085 }
   1086 
   1087 public class SystemServer {
   1088     private static final String TAG = "SystemServer";
   1089 
   1090     public static final int FACTORY_TEST_OFF = 0;
   1091     public static final int FACTORY_TEST_LOW_LEVEL = 1;
   1092     public static final int FACTORY_TEST_HIGH_LEVEL = 2;
   1093 
   1094     static Timer timer;
   1095     static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
   1096 
   1097     // The earliest supported time.  We pick one day into 1970, to
   1098     // give any timezone code room without going into negative time.
   1099     private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
   1100 
   1101     /**
   1102      * Called to initialize native system services.
   1103      */
   1104     private static native void nativeInit();
   1105 
   1106     public static void main(String[] args) {
   1107         if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
   1108             // If a device's clock is before 1970 (before 0), a lot of
   1109             // APIs crash dealing with negative numbers, notably
   1110             // java.io.File#setLastModified, so instead we fake it and
   1111             // hope that time from cell towers or NTP fixes it
   1112             // shortly.
   1113             Slog.w(TAG, "System clock is before 1970; setting to 1970.");
   1114             SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
   1115         }
   1116 
   1117         if (SamplingProfilerIntegration.isEnabled()) {
   1118             SamplingProfilerIntegration.start();
   1119             timer = new Timer();
   1120             timer.schedule(new TimerTask() {
   1121                 @Override
   1122                 public void run() {
   1123                     SamplingProfilerIntegration.writeSnapshot("system_server", null);
   1124                 }
   1125             }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
   1126         }
   1127 
   1128         // Mmmmmm... more memory!
   1129         dalvik.system.VMRuntime.getRuntime().clearGrowthLimit();
   1130 
   1131         // The system server has to run all of the time, so it needs to be
   1132         // as efficient as possible with its memory usage.
   1133         VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
   1134 
   1135         Environment.setUserRequired(true);
   1136 
   1137         System.loadLibrary("android_servers");
   1138 
   1139         Slog.i(TAG, "Entered the Android system server!");
   1140 
   1141         // Initialize native services.
   1142         nativeInit();
   1143 
   1144         // This used to be its own separate thread, but now it is
   1145         // just the loop we run on the main thread.
   1146         ServerThread thr = new ServerThread();
   1147         thr.initAndLoop();
   1148     }
   1149 }
   1150