services/java/com/android/server/SystemServer.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2006 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.server;

 import com.android.server.am.ActivityManagerService;
 import com.android.internal.os.BinderInternal;
 import com.android.internal.os.SamplingProfilerIntegration;
 import com.trustedlogic.trustednfc.android.server.NfcService;

 import dalvik.system.VMRuntime;
 import dalvik.system.Zygote;

 import android.app.ActivityManagerNative;
 import android.bluetooth.BluetoothAdapter;
 import android.content.ComponentName;
 import android.content.ContentResolver;
 import android.content.ContentService;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.IPackageManager;
 import android.database.ContentObserver;
 import android.database.Cursor;
 import android.media.AudioService;
 import android.os.*;
 import android.provider.Contacts.People;
 import android.provider.Settings;
 import android.server.BluetoothA2dpService;
 import android.server.BluetoothService;
 import android.server.search.SearchManagerService;
 import android.util.EventLog;
 import android.util.Log;
 import android.util.Slog;
 import android.accounts.AccountManagerService;

 import java.io.File;
 import java.util.Timer;
 import java.util.TimerTask;

 class ServerThread extends Thread {
     private static final String TAG = "SystemServer";
     private final static boolean INCLUDE_DEMO = false;

     private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010;

     private ContentResolver mContentResolver;

     private class AdbSettingsObserver extends ContentObserver {
         public AdbSettingsObserver() {
             super(null);
         }
         @Override
         public void onChange(boolean selfChange) {
             boolean enableAdb = (Settings.Secure.getInt(mContentResolver,
                 Settings.Secure.ADB_ENABLED, 0) > 0);
             // setting this secure property will start or stop adbd
            SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0");
         }
     }

     @Override
     public void run() {
         EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
             SystemClock.uptimeMillis());

         Looper.prepare();

         android.os.Process.setThreadPriority(
                 android.os.Process.THREAD_PRIORITY_FOREGROUND);

         BinderInternal.disableBackgroundScheduling(true);
         android.os.Process.setCanSelfBackground(false);

         String factoryTestStr = SystemProperties.get("ro.factorytest");
         int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
                 : Integer.parseInt(factoryTestStr);

         LightsService lights = null;
         PowerManagerService power = null;
         BatteryService battery = null;
         ConnectivityService connectivity = null;
         IPackageManager pm = null;
         Context context = null;
         WindowManagerService wm = null;
         BluetoothService bluetooth = null;
         BluetoothA2dpService bluetoothA2dp = null;
         HeadsetObserver headset = null;
         DockObserver dock = null;
         UsbObserver usb = null;
         UiModeManagerService uiMode = null;
         RecognitionManagerService recognition = null;
         ThrottleService throttle = null;

         // Critical services...
         try {
             Slog.i(TAG, "Entropy Service");
             ServiceManager.addService("entropy", new EntropyService());

             Slog.i(TAG, "Power Manager");
             power = new PowerManagerService();
             ServiceManager.addService(Context.POWER_SERVICE, power);

             Slog.i(TAG, "Activity Manager");
             context = ActivityManagerService.main(factoryTest);

             Slog.i(TAG, "Telephony Registry");
             ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));

             AttributeCache.init(context);

             Slog.i(TAG, "Package Manager");
             pm = PackageManagerService.main(context,
                     factoryTest != SystemServer.FACTORY_TEST_OFF);

             ActivityManagerService.setSystemProcess();

             mContentResolver = context.getContentResolver();

             // The AccountManager must come before the ContentService
             try {
                 Slog.i(TAG, "Account Manager");
                 ServiceManager.addService(Context.ACCOUNT_SERVICE,
                         new AccountManagerService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Account Manager", e);
             }

             Slog.i(TAG, "Content Manager");
             ContentService.main(context,
                     factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);

             Slog.i(TAG, "System Content Providers");
             ActivityManagerService.installSystemProviders();

             Slog.i(TAG, "Battery Service");
             battery = new BatteryService(context);
             ServiceManager.addService("battery", battery);

             Slog.i(TAG, "Lights Service");
             lights = new LightsService(context);

             Slog.i(TAG, "Vibrator Service");
             ServiceManager.addService("vibrator", new VibratorService(context));

             // only initialize the power service after we have started the
             // lights service, content providers and the battery service.
             power.init(context, lights, ActivityManagerService.getDefault(), battery);

             Slog.i(TAG, "Alarm Manager");
             AlarmManagerService alarm = new AlarmManagerService(context);
             ServiceManager.addService(Context.ALARM_SERVICE, alarm);

             Slog.i(TAG, "Init Watchdog");
             Watchdog.getInstance().init(context, battery, power, alarm,
                     ActivityManagerService.self());

             Slog.i(TAG, "Window Manager");
             wm = WindowManagerService.main(context, power,
                     factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL);
             ServiceManager.addService(Context.WINDOW_SERVICE, wm);

             ((ActivityManagerService)ServiceManager.getService("activity"))
                     .setWindowManager(wm);

             // Skip Bluetooth if we have an emulator kernel
             // TODO: Use a more reliable check to see if this product should
             // support Bluetooth - see bug 988521
             if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
                 Slog.i(TAG, "Registering null Bluetooth Service (emulator)");
                 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
             } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
                 Slog.i(TAG, "Registering null Bluetooth Service (factory test)");
                 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
             } else {
                 Slog.i(TAG, "Bluetooth Service");
                 bluetooth = new BluetoothService(context);
                 ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth);
                 bluetooth.initAfterRegistration();
                 bluetoothA2dp = new BluetoothA2dpService(context, bluetooth);
                 ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
                                           bluetoothA2dp);

                 int bluetoothOn = Settings.Secure.getInt(mContentResolver,
                     Settings.Secure.BLUETOOTH_ON, 0);
                 if (bluetoothOn > 0) {
                     bluetooth.enable();
                 }
             }

         } catch (RuntimeException e) {
             Slog.e("System", "Failure starting core service", e);
         }

         DevicePolicyManagerService devicePolicy = null;
         StatusBarManagerService statusBar = null;
         InputMethodManagerService imm = null;
         AppWidgetService appWidget = null;
         NotificationManagerService notification = null;
         WallpaperManagerService wallpaper = null;
         LocationManagerService location = null;

         if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
             try {
                 Slog.i(TAG, "Device Policy");
                 devicePolicy = new DevicePolicyManagerService(context);
                 ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting DevicePolicyService", e);
             }

             try {
                 Slog.i(TAG, "Status Bar");
                 statusBar = new StatusBarManagerService(context);
                 ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting StatusBarManagerService", e);
             }

             try {
                 Slog.i(TAG, "Clipboard Service");
                 ServiceManager.addService(Context.CLIPBOARD_SERVICE,
                         new ClipboardService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Clipboard Service", e);
             }

             try {
                 Slog.i(TAG, "Input Method Service");
                 imm = new InputMethodManagerService(context, statusBar);
                 ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Input Manager Service", e);
             }

             try {
                 Slog.i(TAG, "NetStat Service");
                 ServiceManager.addService("netstat", new NetStatService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting NetStat Service", e);
             }

             try {
                 Slog.i(TAG, "NetworkManagement Service");
                 ServiceManager.addService(
                         Context.NETWORKMANAGEMENT_SERVICE,
                         NetworkManagementService.create(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting NetworkManagement Service", e);
             }

             try {
                 Slog.i(TAG, "Connectivity Service");
                 connectivity = ConnectivityService.getInstance(context);
                 ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Connectivity Service", e);
             }

             try {
                 Slog.i(TAG, "Throttle Service");
                 throttle = new ThrottleService(context);
                 ServiceManager.addService(
                         Context.THROTTLE_SERVICE, throttle);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting ThrottleService", e);
             }

             try {
               Slog.i(TAG, "Accessibility Manager");
               ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
                       new AccessibilityManagerService(context));
             } catch (Throwable e) {
               Slog.e(TAG, "Failure starting Accessibility Manager", e);
             }

             try {
                 /*
                  * NotificationManagerService is dependant on MountService,
                  * (for media / usb notifications) so we must start MountService first.
                  */
                 Slog.i(TAG, "Mount Service");
                 ServiceManager.addService("mount", new MountService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Mount Service", e);
             }

             try {
                 Slog.i(TAG, "Notification Manager");
                 notification = new NotificationManagerService(context, statusBar, lights);
                 ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Notification Manager", e);
             }

             try {
                 Slog.i(TAG, "Device Storage Monitor");
                 ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
                         new DeviceStorageMonitorService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting DeviceStorageMonitor service", e);
             }

             try {
                 Slog.i(TAG, "Location Manager");
                 location = new LocationManagerService(context);
                 ServiceManager.addService(Context.LOCATION_SERVICE, location);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Location Manager", e);
             }

             try {
                 Slog.i(TAG, "Search Service");
                 ServiceManager.addService(Context.SEARCH_SERVICE,
                         new SearchManagerService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Search Service", e);
             }

             if (INCLUDE_DEMO) {
                 Slog.i(TAG, "Installing demo data...");
                 (new DemoThread(context)).start();
             }

             try {
                 Slog.i(TAG, "DropBox Service");
                 ServiceManager.addService(Context.DROPBOX_SERVICE,
                         new DropBoxManagerService(context, new File("/data/system/dropbox")));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting DropBoxManagerService", e);
             }

             try {
                 Slog.i(TAG, "Wallpaper Service");
                 wallpaper = new WallpaperManagerService(context);
                 ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Wallpaper Service", e);
             }

             try {
                 Slog.i(TAG, "Audio Service");
                 ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Audio Service", e);
             }

             try {
                 Slog.i(TAG, "Headset Observer");
                 // Listen for wired headset changes
                 headset = new HeadsetObserver(context);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting HeadsetObserver", e);
             }

             try {
                 Slog.i(TAG, "Dock Observer");
                 // Listen for dock station changes
                 dock = new DockObserver(context, power);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting DockObserver", e);
             }

             try {
                 Slog.i(TAG, "USB Observer");
                 // Listen for USB changes
                 usb = new UsbObserver(context);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting UsbObserver", e);
             }

             try {
                 Slog.i(TAG, "UI Mode Manager Service");
                 // Listen for UI mode changes
                 uiMode = new UiModeManagerService(context);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting UiModeManagerService", e);
             }

             try {
                 Slog.i(TAG, "Backup Service");
                 ServiceManager.addService(Context.BACKUP_SERVICE,
                         new BackupManagerService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Backup Service", e);
             }

             try {
                 Slog.i(TAG, "AppWidget Service");
                 appWidget = new AppWidgetService(context);
                 ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting AppWidget Service", e);
             }

             try {
                 Slog.i(TAG, "Recognition Service");
                 recognition = new RecognitionManagerService(context);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting Recognition Service", e);
             }

             try {
                 Slog.i(TAG, "Nfc Service");
                 NfcService nfc;
                 try {
                     nfc = new NfcService(context);
                 } catch (UnsatisfiedLinkError e) { // gross hack to detect NFC
                     nfc = null;
                     Slog.w(TAG, "No NFC support");
                 }
                 ServiceManager.addService(Context.NFC_SERVICE, nfc);
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting NFC Service", e);
             }

             try {
                 Slog.i(TAG, "DiskStats Service");
                 ServiceManager.addService("diskstats", new DiskStatsService(context));
             } catch (Throwable e) {
                 Slog.e(TAG, "Failure starting DiskStats Service", e);
             }
         }

         // make sure the ADB_ENABLED setting value matches the secure property value
         Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED,
                 "1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0);

         // register observer to listen for settings changes
         mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED),
                 false, new AdbSettingsObserver());

         // Before things start rolling, be sure we have decided whether
         // we are in safe mode.
         final boolean safeMode = wm.detectSafeMode();
         if (safeMode) {
             try {
                 ActivityManagerNative.getDefault().enterSafeMode();
                 // Post the safe mode state in the Zygote class
                 Zygote.systemInSafeMode = true;
                 // Disable the JIT for the system_server process
                 VMRuntime.getRuntime().disableJitCompilation();
             } catch (RemoteException e) {
             }
         } else {
             // Enable the JIT for the system_server process
             VMRuntime.getRuntime().startJitCompilation();
         }

         // It is now time to start up the app processes...

         if (devicePolicy != null) {
             devicePolicy.systemReady();
         }

         if (notification != null) {
             notification.systemReady();
         }

         if (statusBar != null) {
             statusBar.systemReady();
         }
         wm.systemReady();
         power.systemReady();
         try {
             pm.systemReady();
         } catch (RemoteException e) {
         }

         // These are needed to propagate to the runnable below.
         final StatusBarManagerService statusBarF = statusBar;
         final BatteryService batteryF = battery;
         final ConnectivityService connectivityF = connectivity;
         final DockObserver dockF = dock;
         final UsbObserver usbF = usb;
         final ThrottleService throttleF = throttle;
         final UiModeManagerService uiModeF = uiMode;
         final AppWidgetService appWidgetF = appWidget;
         final WallpaperManagerService wallpaperF = wallpaper;
         final InputMethodManagerService immF = imm;
         final RecognitionManagerService recognitionF = recognition;
         final LocationManagerService locationF = location;

         // We now tell the activity manager it is okay to run third party
         // code.  It will call back into us once it has gotten to the state
         // where third party code can really run (but before it has actually
         // started launching the initial applications), for us to complete our
         // initialization.
         ((ActivityManagerService)ActivityManagerNative.getDefault())
                 .systemReady(new Runnable() {
             public void run() {
                 Slog.i(TAG, "Making services ready");

                 if (statusBarF != null) statusBarF.systemReady2();
                 if (batteryF != null) batteryF.systemReady();
                 if (connectivityF != null) connectivityF.systemReady();
                 if (dockF != null) dockF.systemReady();
                 if (usbF != null) usbF.systemReady();
                 if (uiModeF != null) uiModeF.systemReady();
                 if (recognitionF != null) recognitionF.systemReady();
                 Watchdog.getInstance().start();

                 // It is now okay to let the various system services start their
                 // third party code...

                 if (appWidgetF != null) appWidgetF.systemReady(safeMode);
                 if (wallpaperF != null) wallpaperF.systemReady();
                 if (immF != null) immF.systemReady();
                 if (locationF != null) locationF.systemReady();
                 if (throttleF != null) throttleF.systemReady();
             }
         });

         // For debug builds, log event loop stalls to dropbox for analysis.
         if (StrictMode.conditionallyEnableDebugLogging()) {
             Slog.i(TAG, "Enabled StrictMode for system server main thread.");
         }

         Looper.loop();
         Slog.d(TAG, "System ServerThread is exiting!");
     }
 }

 class DemoThread extends Thread
 {
     DemoThread(Context context)
     {
         mContext = context;
     }

     @Override
     public void run()
     {
         try {
             Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null);
             boolean hasData = c != null && c.moveToFirst();
             if (c != null) {
                 c.deactivate();
             }
             if (!hasData) {
                 DemoDataSet dataset = new DemoDataSet();
                 dataset.add(mContext);
             }
         } catch (Throwable e) {
             Slog.e("SystemServer", "Failure installing demo data", e);
         }

     }

     Context mContext;
 }

 public class SystemServer
 {
     private static final String TAG = "SystemServer";

     public static final int FACTORY_TEST_OFF = 0;
     public static final int FACTORY_TEST_LOW_LEVEL = 1;
     public static final int FACTORY_TEST_HIGH_LEVEL = 2;

     static Timer timer;
     static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr

     /**
      * This method is called from Zygote to initialize the system. This will cause the native
      * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
      * up into init2() to start the Android services.
      */
     native public static void init1(String[] args);

     public static void main(String[] args) {
         if (SamplingProfilerIntegration.isEnabled()) {
             SamplingProfilerIntegration.start();
             timer = new Timer();
             timer.schedule(new TimerTask() {
                 @Override
                 public void run() {
                     SamplingProfilerIntegration.writeSnapshot("system_server");
                 }
             }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
         }

         // The system server has to run all of the time, so it needs to be
         // as efficient as possible with its memory usage.
         VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);

         System.loadLibrary("android_servers");
         init1(args);
     }

     public static final void init2() {
         Slog.i(TAG, "Entered the Android system server!");
         Thread thr = new ServerThread();
         thr.setName("android.server.ServerThread");
         thr.start();
     }
 }
	/*
	* Copyright (C) 2006 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.server;

	import com.android.server.am.ActivityManagerService;
	import com.android.internal.os.BinderInternal;
	import com.android.internal.os.SamplingProfilerIntegration;
	import com.trustedlogic.trustednfc.android.server.NfcService;

	import dalvik.system.VMRuntime;
	import dalvik.system.Zygote;

	import android.app.ActivityManagerNative;
	import android.bluetooth.BluetoothAdapter;
	import android.content.ComponentName;
	import android.content.ContentResolver;
	import android.content.ContentService;
	import android.content.Context;
	import android.content.Intent;
	import android.content.pm.IPackageManager;
	import android.database.ContentObserver;
	import android.database.Cursor;
	import android.media.AudioService;
	import android.os.*;
	import android.provider.Contacts.People;
	import android.provider.Settings;
	import android.server.BluetoothA2dpService;
	import android.server.BluetoothService;
	import android.server.search.SearchManagerService;
	import android.util.EventLog;
	import android.util.Log;
	import android.util.Slog;
	import android.accounts.AccountManagerService;

	import java.io.File;
	import java.util.Timer;
	import java.util.TimerTask;

	class ServerThread extends Thread {
	private static final String TAG = "SystemServer";
	private final static boolean INCLUDE_DEMO = false;

	private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010;

	private ContentResolver mContentResolver;

	private class AdbSettingsObserver extends ContentObserver {
	public AdbSettingsObserver() {
	super(null);
	}
	@Override
	public void onChange(boolean selfChange) {
	boolean enableAdb = (Settings.Secure.getInt(mContentResolver,
	Settings.Secure.ADB_ENABLED, 0) > 0);
	// setting this secure property will start or stop adbd
	SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0");
	}
	}

	@Override
	public void run() {
	EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
	SystemClock.uptimeMillis());

	Looper.prepare();

	android.os.Process.setThreadPriority(
	android.os.Process.THREAD_PRIORITY_FOREGROUND);

	BinderInternal.disableBackgroundScheduling(true);
	android.os.Process.setCanSelfBackground(false);

	String factoryTestStr = SystemProperties.get("ro.factorytest");
	int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
	: Integer.parseInt(factoryTestStr);

	LightsService lights = null;
	PowerManagerService power = null;
	BatteryService battery = null;
	ConnectivityService connectivity = null;
	IPackageManager pm = null;
	Context context = null;
	WindowManagerService wm = null;
	BluetoothService bluetooth = null;
	BluetoothA2dpService bluetoothA2dp = null;
	HeadsetObserver headset = null;
	DockObserver dock = null;
	UsbObserver usb = null;
	UiModeManagerService uiMode = null;
	RecognitionManagerService recognition = null;
	ThrottleService throttle = null;

	// Critical services...
	try {
	Slog.i(TAG, "Entropy Service");
	ServiceManager.addService("entropy", new EntropyService());

	Slog.i(TAG, "Power Manager");
	power = new PowerManagerService();
	ServiceManager.addService(Context.POWER_SERVICE, power);

	Slog.i(TAG, "Activity Manager");
	context = ActivityManagerService.main(factoryTest);

	Slog.i(TAG, "Telephony Registry");
	ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));

	AttributeCache.init(context);

	Slog.i(TAG, "Package Manager");
	pm = PackageManagerService.main(context,
	factoryTest != SystemServer.FACTORY_TEST_OFF);

	ActivityManagerService.setSystemProcess();

	mContentResolver = context.getContentResolver();

	// The AccountManager must come before the ContentService
	try {
	Slog.i(TAG, "Account Manager");
	ServiceManager.addService(Context.ACCOUNT_SERVICE,
	new AccountManagerService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Account Manager", e);
	}

	Slog.i(TAG, "Content Manager");
	ContentService.main(context,
	factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);

	Slog.i(TAG, "System Content Providers");
	ActivityManagerService.installSystemProviders();

	Slog.i(TAG, "Battery Service");
	battery = new BatteryService(context);
	ServiceManager.addService("battery", battery);

	Slog.i(TAG, "Lights Service");
	lights = new LightsService(context);

	Slog.i(TAG, "Vibrator Service");
	ServiceManager.addService("vibrator", new VibratorService(context));

	// only initialize the power service after we have started the
	// lights service, content providers and the battery service.
	power.init(context, lights, ActivityManagerService.getDefault(), battery);

	Slog.i(TAG, "Alarm Manager");
	AlarmManagerService alarm = new AlarmManagerService(context);
	ServiceManager.addService(Context.ALARM_SERVICE, alarm);

	Slog.i(TAG, "Init Watchdog");
	Watchdog.getInstance().init(context, battery, power, alarm,
	ActivityManagerService.self());

	Slog.i(TAG, "Window Manager");
	wm = WindowManagerService.main(context, power,
	factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL);
	ServiceManager.addService(Context.WINDOW_SERVICE, wm);

	((ActivityManagerService)ServiceManager.getService("activity"))
	.setWindowManager(wm);

	// Skip Bluetooth if we have an emulator kernel
	// TODO: Use a more reliable check to see if this product should
	// support Bluetooth - see bug 988521
	if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
	Slog.i(TAG, "Registering null Bluetooth Service (emulator)");
	ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
	} else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
	Slog.i(TAG, "Registering null Bluetooth Service (factory test)");
	ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
	} else {
	Slog.i(TAG, "Bluetooth Service");
	bluetooth = new BluetoothService(context);
	ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth);
	bluetooth.initAfterRegistration();
	bluetoothA2dp = new BluetoothA2dpService(context, bluetooth);
	ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
	bluetoothA2dp);

	int bluetoothOn = Settings.Secure.getInt(mContentResolver,
	Settings.Secure.BLUETOOTH_ON, 0);
	if (bluetoothOn > 0) {
	bluetooth.enable();
	}
	}

	} catch (RuntimeException e) {
	Slog.e("System", "Failure starting core service", e);
	}

	DevicePolicyManagerService devicePolicy = null;
	StatusBarManagerService statusBar = null;
	InputMethodManagerService imm = null;
	AppWidgetService appWidget = null;
	NotificationManagerService notification = null;
	WallpaperManagerService wallpaper = null;
	LocationManagerService location = null;

	if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
	try {
	Slog.i(TAG, "Device Policy");
	devicePolicy = new DevicePolicyManagerService(context);
	ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting DevicePolicyService", e);
	}

	try {
	Slog.i(TAG, "Status Bar");
	statusBar = new StatusBarManagerService(context);
	ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting StatusBarManagerService", e);
	}

	try {
	Slog.i(TAG, "Clipboard Service");
	ServiceManager.addService(Context.CLIPBOARD_SERVICE,
	new ClipboardService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Clipboard Service", e);
	}

	try {
	Slog.i(TAG, "Input Method Service");
	imm = new InputMethodManagerService(context, statusBar);
	ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Input Manager Service", e);
	}

	try {
	Slog.i(TAG, "NetStat Service");
	ServiceManager.addService("netstat", new NetStatService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting NetStat Service", e);
	}

	try {
	Slog.i(TAG, "NetworkManagement Service");
	ServiceManager.addService(
	Context.NETWORKMANAGEMENT_SERVICE,
	NetworkManagementService.create(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting NetworkManagement Service", e);
	}

	try {
	Slog.i(TAG, "Connectivity Service");
	connectivity = ConnectivityService.getInstance(context);
	ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Connectivity Service", e);
	}

	try {
	Slog.i(TAG, "Throttle Service");
	throttle = new ThrottleService(context);
	ServiceManager.addService(
	Context.THROTTLE_SERVICE, throttle);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting ThrottleService", e);
	}

	try {
	Slog.i(TAG, "Accessibility Manager");
	ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
	new AccessibilityManagerService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Accessibility Manager", e);
	}

	try {
	/*
	* NotificationManagerService is dependant on MountService,
	* (for media / usb notifications) so we must start MountService first.
	*/
	Slog.i(TAG, "Mount Service");
	ServiceManager.addService("mount", new MountService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Mount Service", e);
	}

	try {
	Slog.i(TAG, "Notification Manager");
	notification = new NotificationManagerService(context, statusBar, lights);
	ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Notification Manager", e);
	}

	try {
	Slog.i(TAG, "Device Storage Monitor");
	ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
	new DeviceStorageMonitorService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting DeviceStorageMonitor service", e);
	}

	try {
	Slog.i(TAG, "Location Manager");
	location = new LocationManagerService(context);
	ServiceManager.addService(Context.LOCATION_SERVICE, location);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Location Manager", e);
	}

	try {
	Slog.i(TAG, "Search Service");
	ServiceManager.addService(Context.SEARCH_SERVICE,
	new SearchManagerService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Search Service", e);
	}

	if (INCLUDE_DEMO) {
	Slog.i(TAG, "Installing demo data...");
	(new DemoThread(context)).start();
	}

	try {
	Slog.i(TAG, "DropBox Service");
	ServiceManager.addService(Context.DROPBOX_SERVICE,
	new DropBoxManagerService(context, new File("/data/system/dropbox")));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting DropBoxManagerService", e);
	}

	try {
	Slog.i(TAG, "Wallpaper Service");
	wallpaper = new WallpaperManagerService(context);
	ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Wallpaper Service", e);
	}

	try {
	Slog.i(TAG, "Audio Service");
	ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Audio Service", e);
	}

	try {
	Slog.i(TAG, "Headset Observer");
	// Listen for wired headset changes
	headset = new HeadsetObserver(context);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting HeadsetObserver", e);
	}

	try {
	Slog.i(TAG, "Dock Observer");
	// Listen for dock station changes
	dock = new DockObserver(context, power);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting DockObserver", e);
	}

	try {
	Slog.i(TAG, "USB Observer");
	// Listen for USB changes
	usb = new UsbObserver(context);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting UsbObserver", e);
	}

	try {
	Slog.i(TAG, "UI Mode Manager Service");
	// Listen for UI mode changes
	uiMode = new UiModeManagerService(context);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting UiModeManagerService", e);
	}

	try {
	Slog.i(TAG, "Backup Service");
	ServiceManager.addService(Context.BACKUP_SERVICE,
	new BackupManagerService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Backup Service", e);
	}

	try {
	Slog.i(TAG, "AppWidget Service");
	appWidget = new AppWidgetService(context);
	ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting AppWidget Service", e);
	}

	try {
	Slog.i(TAG, "Recognition Service");
	recognition = new RecognitionManagerService(context);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting Recognition Service", e);
	}

	try {
	Slog.i(TAG, "Nfc Service");
	NfcService nfc;
	try {
	nfc = new NfcService(context);
	} catch (UnsatisfiedLinkError e) { // gross hack to detect NFC
	nfc = null;
	Slog.w(TAG, "No NFC support");
	}
	ServiceManager.addService(Context.NFC_SERVICE, nfc);
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting NFC Service", e);
	}

	try {
	Slog.i(TAG, "DiskStats Service");
	ServiceManager.addService("diskstats", new DiskStatsService(context));
	} catch (Throwable e) {
	Slog.e(TAG, "Failure starting DiskStats Service", e);
	}
	}

	// make sure the ADB_ENABLED setting value matches the secure property value
	Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED,
	"1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0);

	// register observer to listen for settings changes
	mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED),
	false, new AdbSettingsObserver());

	// Before things start rolling, be sure we have decided whether
	// we are in safe mode.
	final boolean safeMode = wm.detectSafeMode();
	if (safeMode) {
	try {
	ActivityManagerNative.getDefault().enterSafeMode();
	// Post the safe mode state in the Zygote class
	Zygote.systemInSafeMode = true;
	// Disable the JIT for the system_server process
	VMRuntime.getRuntime().disableJitCompilation();
	} catch (RemoteException e) {
	}
	} else {
	// Enable the JIT for the system_server process
	VMRuntime.getRuntime().startJitCompilation();
	}

	// It is now time to start up the app processes...

	if (devicePolicy != null) {
	devicePolicy.systemReady();
	}

	if (notification != null) {
	notification.systemReady();
	}

	if (statusBar != null) {
	statusBar.systemReady();
	}
	wm.systemReady();
	power.systemReady();
	try {
	pm.systemReady();
	} catch (RemoteException e) {
	}

	// These are needed to propagate to the runnable below.
	final StatusBarManagerService statusBarF = statusBar;
	final BatteryService batteryF = battery;
	final ConnectivityService connectivityF = connectivity;
	final DockObserver dockF = dock;
	final UsbObserver usbF = usb;
	final ThrottleService throttleF = throttle;
	final UiModeManagerService uiModeF = uiMode;
	final AppWidgetService appWidgetF = appWidget;
	final WallpaperManagerService wallpaperF = wallpaper;
	final InputMethodManagerService immF = imm;
	final RecognitionManagerService recognitionF = recognition;
	final LocationManagerService locationF = location;

	// We now tell the activity manager it is okay to run third party
	// code. It will call back into us once it has gotten to the state
	// where third party code can really run (but before it has actually
	// started launching the initial applications), for us to complete our
	// initialization.
	((ActivityManagerService)ActivityManagerNative.getDefault())
	.systemReady(new Runnable() {
	public void run() {
	Slog.i(TAG, "Making services ready");

	if (statusBarF != null) statusBarF.systemReady2();
	if (batteryF != null) batteryF.systemReady();
	if (connectivityF != null) connectivityF.systemReady();
	if (dockF != null) dockF.systemReady();
	if (usbF != null) usbF.systemReady();
	if (uiModeF != null) uiModeF.systemReady();
	if (recognitionF != null) recognitionF.systemReady();
	Watchdog.getInstance().start();

	// It is now okay to let the various system services start their
	// third party code...

	if (appWidgetF != null) appWidgetF.systemReady(safeMode);
	if (wallpaperF != null) wallpaperF.systemReady();
	if (immF != null) immF.systemReady();
	if (locationF != null) locationF.systemReady();
	if (throttleF != null) throttleF.systemReady();
	}
	});

	// For debug builds, log event loop stalls to dropbox for analysis.
	if (StrictMode.conditionallyEnableDebugLogging()) {
	Slog.i(TAG, "Enabled StrictMode for system server main thread.");
	}

	Looper.loop();
	Slog.d(TAG, "System ServerThread is exiting!");
	}
	}

	class DemoThread extends Thread
	{
	DemoThread(Context context)
	{
	mContext = context;
	}

	@Override
	public void run()
	{
	try {
	Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null);
	boolean hasData = c != null && c.moveToFirst();
	if (c != null) {
	c.deactivate();
	}
	if (!hasData) {
	DemoDataSet dataset = new DemoDataSet();
	dataset.add(mContext);
	}
	} catch (Throwable e) {
	Slog.e("SystemServer", "Failure installing demo data", e);
	}

	}

	Context mContext;
	}

	public class SystemServer
	{
	private static final String TAG = "SystemServer";

	public static final int FACTORY_TEST_OFF = 0;
	public static final int FACTORY_TEST_LOW_LEVEL = 1;
	public static final int FACTORY_TEST_HIGH_LEVEL = 2;

	static Timer timer;
	static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr

	/**
	* This method is called from Zygote to initialize the system. This will cause the native
	* services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
	* up into init2() to start the Android services.
	*/
	native public static void init1(String[] args);

	public static void main(String[] args) {
	if (SamplingProfilerIntegration.isEnabled()) {
	SamplingProfilerIntegration.start();
	timer = new Timer();
	timer.schedule(new TimerTask() {
	@Override
	public void run() {
	SamplingProfilerIntegration.writeSnapshot("system_server");
	}
	}, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
	}

	// The system server has to run all of the time, so it needs to be
	// as efficient as possible with its memory usage.
	VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);

	System.loadLibrary("android_servers");
	init1(args);
	}

	public static final void init2() {
	Slog.i(TAG, "Entered the Android system server!");
	Thread thr = new ServerThread();
	thr.setName("android.server.ServerThread");
	thr.start();
	}
	}