SystemServer.java revision b696c0542cae70d7f66b9011be2f9d1812885159
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server;
18
19import android.accounts.AccountManagerService;
20import android.app.ActivityManagerNative;
21import android.bluetooth.BluetoothAdapter;
22import android.content.ComponentName;
23import android.content.ContentResolver;
24import android.content.ContentService;
25import android.content.Context;
26import android.content.Intent;
27import android.content.pm.IPackageManager;
28import android.content.res.Configuration;
29import android.media.AudioService;
30import android.net.wifi.p2p.WifiP2pService;
31import android.os.Looper;
32import android.os.RemoteException;
33import android.os.SchedulingPolicyService;
34import android.os.ServiceManager;
35import android.os.StrictMode;
36import android.os.SystemClock;
37import android.os.SystemProperties;
38import android.provider.Settings;
39import android.server.BluetoothA2dpService;
40import android.server.BluetoothService;
41import android.server.search.SearchManagerService;
42import android.service.dreams.DreamManagerService;
43import android.util.DisplayMetrics;
44import android.util.EventLog;
45import android.util.Log;
46import android.util.Slog;
47import android.view.WindowManager;
48
49import com.android.internal.os.BinderInternal;
50import com.android.internal.os.SamplingProfilerIntegration;
51import com.android.internal.widget.LockSettingsService;
52import com.android.server.accessibility.AccessibilityManagerService;
53import com.android.server.am.ActivityManagerService;
54import com.android.server.input.InputManagerService;
55import com.android.server.net.NetworkPolicyManagerService;
56import com.android.server.net.NetworkStatsService;
57import com.android.server.pm.PackageManagerService;
58import com.android.server.pm.ShutdownThread;
59import com.android.server.usb.UsbService;
60import com.android.server.wm.WindowManagerService;
61
62import dalvik.system.VMRuntime;
63import dalvik.system.Zygote;
64
65import java.io.File;
66import java.util.Timer;
67import java.util.TimerTask;
68
69class ServerThread extends Thread {
70    private static final String TAG = "SystemServer";
71    private static final String ENCRYPTING_STATE = "trigger_restart_min_framework";
72    private static final String ENCRYPTED_STATE = "1";
73
74    ContentResolver mContentResolver;
75
76    void reportWtf(String msg, Throwable e) {
77        Slog.w(TAG, "***********************************************");
78        Log.wtf(TAG, "BOOT FAILURE " + msg, e);
79    }
80
81    @Override
82    public void run() {
83        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
84            SystemClock.uptimeMillis());
85
86        Looper.prepare();
87
88        android.os.Process.setThreadPriority(
89                android.os.Process.THREAD_PRIORITY_FOREGROUND);
90
91        BinderInternal.disableBackgroundScheduling(true);
92        android.os.Process.setCanSelfBackground(false);
93
94        // Check whether we failed to shut down last time we tried.
95        {
96            final String shutdownAction = SystemProperties.get(
97                    ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
98            if (shutdownAction != null && shutdownAction.length() > 0) {
99                boolean reboot = (shutdownAction.charAt(0) == '1');
100
101                final String reason;
102                if (shutdownAction.length() > 1) {
103                    reason = shutdownAction.substring(1, shutdownAction.length());
104                } else {
105                    reason = null;
106                }
107
108                ShutdownThread.rebootOrShutdown(reboot, reason);
109            }
110        }
111
112        String factoryTestStr = SystemProperties.get("ro.factorytest");
113        int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
114                : Integer.parseInt(factoryTestStr);
115        final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0"));
116
117        LightsService lights = null;
118        PowerManagerService power = null;
119        BatteryService battery = null;
120        VibratorService vibrator = null;
121        AlarmManagerService alarm = null;
122        NetworkManagementService networkManagement = null;
123        NetworkStatsService networkStats = null;
124        NetworkPolicyManagerService networkPolicy = null;
125        ConnectivityService connectivity = null;
126        WifiP2pService wifiP2p = null;
127        WifiService wifi = null;
128        NsdService serviceDiscovery= null;
129        IPackageManager pm = null;
130        Context context = null;
131        WindowManagerService wm = null;
132        BluetoothService bluetooth = null;
133        BluetoothA2dpService bluetoothA2dp = null;
134        DockObserver dock = null;
135        UsbService usb = null;
136        SerialService serial = null;
137        UiModeManagerService uiMode = null;
138        RecognitionManagerService recognition = null;
139        ThrottleService throttle = null;
140        NetworkTimeUpdateService networkTimeUpdater = null;
141        CommonTimeManagementService commonTimeMgmtService = null;
142        InputManagerService inputManager = null;
143
144        // Critical services...
145        try {
146            Slog.i(TAG, "Entropy Mixer");
147            ServiceManager.addService("entropy", new EntropyMixer());
148
149            Slog.i(TAG, "Power Manager");
150            power = new PowerManagerService();
151            ServiceManager.addService(Context.POWER_SERVICE, power);
152
153            Slog.i(TAG, "Activity Manager");
154            context = ActivityManagerService.main(factoryTest);
155
156            Slog.i(TAG, "Telephony Registry");
157            ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));
158
159            Slog.i(TAG, "Scheduling Policy");
160            ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE,
161                    new SchedulingPolicyService());
162
163            AttributeCache.init(context);
164
165            Slog.i(TAG, "Package Manager");
166            // Only run "core" apps if we're encrypting the device.
167            String cryptState = SystemProperties.get("vold.decrypt");
168            boolean onlyCore = false;
169            if (ENCRYPTING_STATE.equals(cryptState)) {
170                Slog.w(TAG, "Detected encryption in progress - only parsing core apps");
171                onlyCore = true;
172            } else if (ENCRYPTED_STATE.equals(cryptState)) {
173                Slog.w(TAG, "Device encrypted - only parsing core apps");
174                onlyCore = true;
175            }
176
177            pm = PackageManagerService.main(context,
178                    factoryTest != SystemServer.FACTORY_TEST_OFF,
179                    onlyCore);
180            boolean firstBoot = false;
181            try {
182                firstBoot = pm.isFirstBoot();
183            } catch (RemoteException e) {
184            }
185
186            ActivityManagerService.setSystemProcess();
187
188            mContentResolver = context.getContentResolver();
189
190            // The AccountManager must come before the ContentService
191            try {
192                Slog.i(TAG, "Account Manager");
193                ServiceManager.addService(Context.ACCOUNT_SERVICE,
194                        new AccountManagerService(context));
195            } catch (Throwable e) {
196                Slog.e(TAG, "Failure starting Account Manager", e);
197            }
198
199            Slog.i(TAG, "Content Manager");
200            ContentService.main(context,
201                    factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);
202
203            Slog.i(TAG, "System Content Providers");
204            ActivityManagerService.installSystemProviders();
205
206            Slog.i(TAG, "Lights Service");
207            lights = new LightsService(context);
208
209            Slog.i(TAG, "Battery Service");
210            battery = new BatteryService(context, lights);
211            ServiceManager.addService("battery", battery);
212
213            Slog.i(TAG, "Vibrator Service");
214            vibrator = new VibratorService(context);
215            ServiceManager.addService("vibrator", vibrator);
216
217            // only initialize the power service after we have started the
218            // lights service, content providers and the battery service.
219            power.init(context, lights, ActivityManagerService.self(), battery);
220
221            Slog.i(TAG, "Alarm Manager");
222            alarm = new AlarmManagerService(context);
223            ServiceManager.addService(Context.ALARM_SERVICE, alarm);
224
225            Slog.i(TAG, "Init Watchdog");
226            Watchdog.getInstance().init(context, battery, power, alarm,
227                    ActivityManagerService.self());
228
229            Slog.i(TAG, "Window Manager");
230            wm = WindowManagerService.main(context, power,
231                    factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL,
232                    !firstBoot);
233            ServiceManager.addService(Context.WINDOW_SERVICE, wm);
234            inputManager = wm.getInputManagerService();
235            ServiceManager.addService(Context.INPUT_SERVICE, inputManager);
236
237            ActivityManagerService.self().setWindowManager(wm);
238
239            // Skip Bluetooth if we have an emulator kernel
240            // TODO: Use a more reliable check to see if this product should
241            // support Bluetooth - see bug 988521
242            if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
243                Slog.i(TAG, "No Bluetooh Service (emulator)");
244            } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
245                Slog.i(TAG, "No Bluetooth Service (factory test)");
246            } else {
247                Slog.i(TAG, "Bluetooth Service");
248                bluetooth = new BluetoothService(context);
249                ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth);
250                bluetooth.initAfterRegistration();
251
252                if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) {
253                    bluetoothA2dp = new BluetoothA2dpService(context, bluetooth);
254                    ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
255                                              bluetoothA2dp);
256                    bluetooth.initAfterA2dpRegistration();
257                }
258
259                int bluetoothOn = Settings.Secure.getInt(mContentResolver,
260                    Settings.Secure.BLUETOOTH_ON, 0);
261                if (bluetoothOn != 0) {
262                    bluetooth.enable();
263                }
264            }
265
266        } catch (RuntimeException e) {
267            Slog.e("System", "******************************************");
268            Slog.e("System", "************ Failure starting core service", e);
269        }
270
271        DevicePolicyManagerService devicePolicy = null;
272        StatusBarManagerService statusBar = null;
273        InputMethodManagerService imm = null;
274        AppWidgetService appWidget = null;
275        NotificationManagerService notification = null;
276        WallpaperManagerService wallpaper = null;
277        LocationManagerService location = null;
278        CountryDetectorService countryDetector = null;
279        TextServicesManagerService tsms = null;
280        LockSettingsService lockSettings = null;
281        DreamManagerService dreamy = null;
282
283        // Bring up services needed for UI.
284        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
285            try {
286                Slog.i(TAG, "Input Method Service");
287                imm = new InputMethodManagerService(context, wm);
288                ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
289            } catch (Throwable e) {
290                reportWtf("starting Input Manager Service", e);
291            }
292
293            try {
294                Slog.i(TAG, "Accessibility Manager");
295                ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
296                        new AccessibilityManagerService(context));
297            } catch (Throwable e) {
298                reportWtf("starting Accessibility Manager", e);
299            }
300        }
301
302        try {
303            wm.displayReady();
304        } catch (Throwable e) {
305            reportWtf("making display ready", e);
306        }
307
308        try {
309            pm.performBootDexOpt();
310        } catch (Throwable e) {
311            reportWtf("performing boot dexopt", e);
312        }
313
314        try {
315            ActivityManagerNative.getDefault().showBootMessage(
316                    context.getResources().getText(
317                            com.android.internal.R.string.android_upgrading_starting_apps),
318                            false);
319        } catch (RemoteException e) {
320        }
321
322        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
323            try {
324                Slog.i(TAG,  "LockSettingsService");
325                lockSettings = new LockSettingsService(context);
326                ServiceManager.addService("lock_settings", lockSettings);
327            } catch (Throwable e) {
328                reportWtf("starting LockSettingsService service", e);
329            }
330
331            try {
332                Slog.i(TAG, "Device Policy");
333                devicePolicy = new DevicePolicyManagerService(context);
334                ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
335            } catch (Throwable e) {
336                reportWtf("starting DevicePolicyService", e);
337            }
338
339            try {
340                Slog.i(TAG, "Status Bar");
341                statusBar = new StatusBarManagerService(context, wm);
342                ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
343            } catch (Throwable e) {
344                reportWtf("starting StatusBarManagerService", e);
345            }
346
347            try {
348                Slog.i(TAG, "Clipboard Service");
349                ServiceManager.addService(Context.CLIPBOARD_SERVICE,
350                        new ClipboardService(context));
351            } catch (Throwable e) {
352                reportWtf("starting Clipboard Service", e);
353            }
354
355            try {
356                Slog.i(TAG, "NetworkManagement Service");
357                networkManagement = NetworkManagementService.create(context);
358                ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
359            } catch (Throwable e) {
360                reportWtf("starting NetworkManagement Service", e);
361            }
362
363            try {
364                Slog.i(TAG, "Text Service Manager Service");
365                tsms = new TextServicesManagerService(context);
366                ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms);
367            } catch (Throwable e) {
368                reportWtf("starting Text Service Manager Service", e);
369            }
370
371            try {
372                Slog.i(TAG, "NetworkStats Service");
373                networkStats = new NetworkStatsService(context, networkManagement, alarm);
374                ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
375            } catch (Throwable e) {
376                reportWtf("starting NetworkStats Service", e);
377            }
378
379            try {
380                Slog.i(TAG, "NetworkPolicy Service");
381                networkPolicy = new NetworkPolicyManagerService(
382                        context, ActivityManagerService.self(), power,
383                        networkStats, networkManagement);
384                ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);
385            } catch (Throwable e) {
386                reportWtf("starting NetworkPolicy Service", e);
387            }
388
389           try {
390                Slog.i(TAG, "Wi-Fi P2pService");
391                wifiP2p = new WifiP2pService(context);
392                ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p);
393            } catch (Throwable e) {
394                reportWtf("starting Wi-Fi P2pService", e);
395            }
396
397           try {
398                Slog.i(TAG, "Wi-Fi Service");
399                wifi = new WifiService(context);
400                ServiceManager.addService(Context.WIFI_SERVICE, wifi);
401            } catch (Throwable e) {
402                reportWtf("starting Wi-Fi Service", e);
403            }
404
405            try {
406                Slog.i(TAG, "Connectivity Service");
407                connectivity = new ConnectivityService(
408                        context, networkManagement, networkStats, networkPolicy);
409                ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
410                networkStats.bindConnectivityManager(connectivity);
411                networkPolicy.bindConnectivityManager(connectivity);
412                wifi.checkAndStartWifi();
413                wifiP2p.connectivityServiceReady();
414            } catch (Throwable e) {
415                reportWtf("starting Connectivity Service", e);
416            }
417
418            try {
419                Slog.i(TAG, "Network Service Discovery Service");
420                serviceDiscovery = NsdService.create(context);
421                ServiceManager.addService(
422                        Context.NSD_SERVICE, serviceDiscovery);
423            } catch (Throwable e) {
424                reportWtf("starting Service Discovery Service", e);
425            }
426
427            try {
428                Slog.i(TAG, "Throttle Service");
429                throttle = new ThrottleService(context);
430                ServiceManager.addService(
431                        Context.THROTTLE_SERVICE, throttle);
432            } catch (Throwable e) {
433                reportWtf("starting ThrottleService", e);
434            }
435
436            try {
437                Slog.i(TAG, "UpdateLock Service");
438                ServiceManager.addService(Context.UPDATE_LOCK_SERVICE,
439                        new UpdateLockService(context));
440            } catch (Throwable e) {
441                reportWtf("starting UpdateLockService", e);
442            }
443
444            if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) {
445                try {
446                    /*
447                     * NotificationManagerService is dependant on MountService,
448                     * (for media / usb notifications) so we must start MountService first.
449                     */
450                    Slog.i(TAG, "Mount Service");
451                    ServiceManager.addService("mount", new MountService(context));
452                } catch (Throwable e) {
453                    reportWtf("starting Mount Service", e);
454                }
455            }
456
457            try {
458                Slog.i(TAG, "Notification Manager");
459                notification = new NotificationManagerService(context, statusBar, lights);
460                ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
461                networkPolicy.bindNotificationManager(notification);
462            } catch (Throwable e) {
463                reportWtf("starting Notification Manager", e);
464            }
465
466            try {
467                Slog.i(TAG, "Device Storage Monitor");
468                ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
469                        new DeviceStorageMonitorService(context));
470            } catch (Throwable e) {
471                reportWtf("starting DeviceStorageMonitor service", e);
472            }
473
474            try {
475                Slog.i(TAG, "Location Manager");
476                location = new LocationManagerService(context);
477                ServiceManager.addService(Context.LOCATION_SERVICE, location);
478            } catch (Throwable e) {
479                reportWtf("starting Location Manager", e);
480            }
481
482            try {
483                Slog.i(TAG, "Country Detector");
484                countryDetector = new CountryDetectorService(context);
485                ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector);
486            } catch (Throwable e) {
487                reportWtf("starting Country Detector", e);
488            }
489
490            try {
491                Slog.i(TAG, "Search Service");
492                ServiceManager.addService(Context.SEARCH_SERVICE,
493                        new SearchManagerService(context));
494            } catch (Throwable e) {
495                reportWtf("starting Search Service", e);
496            }
497
498            try {
499                Slog.i(TAG, "DropBox Service");
500                ServiceManager.addService(Context.DROPBOX_SERVICE,
501                        new DropBoxManagerService(context, new File("/data/system/dropbox")));
502            } catch (Throwable e) {
503                reportWtf("starting DropBoxManagerService", e);
504            }
505
506            if (context.getResources().getBoolean(
507                        com.android.internal.R.bool.config_enableWallpaperService)) {
508                try {
509                    Slog.i(TAG, "Wallpaper Service");
510                    if (!headless) {
511                        wallpaper = new WallpaperManagerService(context);
512                        ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
513                    }
514                } catch (Throwable e) {
515                    reportWtf("starting Wallpaper Service", e);
516                }
517            }
518
519            if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) {
520                try {
521                    Slog.i(TAG, "Audio Service");
522                    ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
523                } catch (Throwable e) {
524                    reportWtf("starting Audio Service", e);
525                }
526            }
527
528            try {
529                Slog.i(TAG, "Dock Observer");
530                // Listen for dock station changes
531                dock = new DockObserver(context, power);
532            } catch (Throwable e) {
533                reportWtf("starting DockObserver", e);
534            }
535
536            try {
537                Slog.i(TAG, "Wired Accessory Observer");
538                // Listen for wired headset changes
539                new WiredAccessoryObserver(context);
540            } catch (Throwable e) {
541                reportWtf("starting WiredAccessoryObserver", e);
542            }
543
544            try {
545                Slog.i(TAG, "USB Service");
546                // Manage USB host and device support
547                usb = new UsbService(context);
548                ServiceManager.addService(Context.USB_SERVICE, usb);
549            } catch (Throwable e) {
550                reportWtf("starting UsbService", e);
551            }
552
553            try {
554                Slog.i(TAG, "Serial Service");
555                // Serial port support
556                serial = new SerialService(context);
557                ServiceManager.addService(Context.SERIAL_SERVICE, serial);
558            } catch (Throwable e) {
559                Slog.e(TAG, "Failure starting SerialService", e);
560            }
561
562            try {
563                Slog.i(TAG, "UI Mode Manager Service");
564                // Listen for UI mode changes
565                uiMode = new UiModeManagerService(context);
566            } catch (Throwable e) {
567                reportWtf("starting UiModeManagerService", e);
568            }
569
570            try {
571                Slog.i(TAG, "Backup Service");
572                ServiceManager.addService(Context.BACKUP_SERVICE,
573                        new BackupManagerService(context));
574            } catch (Throwable e) {
575                Slog.e(TAG, "Failure starting Backup Service", e);
576            }
577
578            try {
579                Slog.i(TAG, "AppWidget Service");
580                appWidget = new AppWidgetService(context);
581                ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
582            } catch (Throwable e) {
583                reportWtf("starting AppWidget Service", e);
584            }
585
586            try {
587                Slog.i(TAG, "Recognition Service");
588                recognition = new RecognitionManagerService(context);
589            } catch (Throwable e) {
590                reportWtf("starting Recognition Service", e);
591            }
592
593            try {
594                Slog.i(TAG, "DiskStats Service");
595                ServiceManager.addService("diskstats", new DiskStatsService(context));
596            } catch (Throwable e) {
597                reportWtf("starting DiskStats Service", e);
598            }
599
600            try {
601                // need to add this service even if SamplingProfilerIntegration.isEnabled()
602                // is false, because it is this service that detects system property change and
603                // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work,
604                // there is little overhead for running this service.
605                Slog.i(TAG, "SamplingProfiler Service");
606                ServiceManager.addService("samplingprofiler",
607                            new SamplingProfilerService(context));
608            } catch (Throwable e) {
609                reportWtf("starting SamplingProfiler Service", e);
610            }
611
612            try {
613                Slog.i(TAG, "NetworkTimeUpdateService");
614                networkTimeUpdater = new NetworkTimeUpdateService(context);
615            } catch (Throwable e) {
616                reportWtf("starting NetworkTimeUpdate service", e);
617            }
618
619            try {
620                Slog.i(TAG, "CommonTimeManagementService");
621                commonTimeMgmtService = new CommonTimeManagementService(context);
622                ServiceManager.addService("commontime_management", commonTimeMgmtService);
623            } catch (Throwable e) {
624                reportWtf("starting CommonTimeManagementService service", e);
625            }
626
627            try {
628                Slog.i(TAG, "CertBlacklister");
629                CertBlacklister blacklister = new CertBlacklister(context);
630            } catch (Throwable e) {
631                reportWtf("starting CertBlacklister", e);
632            }
633
634            if (context.getResources().getBoolean(
635                    com.android.internal.R.bool.config_enableDreams)) {
636                try {
637                    Slog.i(TAG, "Dreams Service");
638                    // Dreams (interactive idle-time views, a/k/a screen savers)
639                    dreamy = new DreamManagerService(context);
640                    ServiceManager.addService("dreams", dreamy);
641                } catch (Throwable e) {
642                    reportWtf("starting DreamManagerService", e);
643                }
644            }
645        }
646
647        // Before things start rolling, be sure we have decided whether
648        // we are in safe mode.
649        final boolean safeMode = wm.detectSafeMode();
650        if (safeMode) {
651            ActivityManagerService.self().enterSafeMode();
652            // Post the safe mode state in the Zygote class
653            Zygote.systemInSafeMode = true;
654            // Disable the JIT for the system_server process
655            VMRuntime.getRuntime().disableJitCompilation();
656        } else {
657            // Enable the JIT for the system_server process
658            VMRuntime.getRuntime().startJitCompilation();
659        }
660
661        // It is now time to start up the app processes...
662
663        try {
664            vibrator.systemReady();
665        } catch (Throwable e) {
666            reportWtf("making Vibrator Service ready", e);
667        }
668
669        if (devicePolicy != null) {
670            try {
671                devicePolicy.systemReady();
672            } catch (Throwable e) {
673                reportWtf("making Device Policy Service ready", e);
674            }
675        }
676
677        if (notification != null) {
678            try {
679                notification.systemReady();
680            } catch (Throwable e) {
681                reportWtf("making Notification Service ready", e);
682            }
683        }
684
685        try {
686            wm.systemReady();
687        } catch (Throwable e) {
688            reportWtf("making Window Manager Service ready", e);
689        }
690
691        if (safeMode) {
692            ActivityManagerService.self().showSafeModeOverlay();
693        }
694
695        // Update the configuration for this context by hand, because we're going
696        // to start using it before the config change done in wm.systemReady() will
697        // propagate to it.
698        Configuration config = wm.computeNewConfiguration();
699        DisplayMetrics metrics = new DisplayMetrics();
700        WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
701        w.getDefaultDisplay().getMetrics(metrics);
702        context.getResources().updateConfiguration(config, metrics);
703
704        power.systemReady();
705        try {
706            pm.systemReady();
707        } catch (Throwable e) {
708            reportWtf("making Package Manager Service ready", e);
709        }
710        try {
711            lockSettings.systemReady();
712        } catch (Throwable e) {
713            reportWtf("making Lock Settings Service ready", e);
714        }
715
716        // These are needed to propagate to the runnable below.
717        final Context contextF = context;
718        final BatteryService batteryF = battery;
719        final NetworkManagementService networkManagementF = networkManagement;
720        final NetworkStatsService networkStatsF = networkStats;
721        final NetworkPolicyManagerService networkPolicyF = networkPolicy;
722        final ConnectivityService connectivityF = connectivity;
723        final DockObserver dockF = dock;
724        final UsbService usbF = usb;
725        final ThrottleService throttleF = throttle;
726        final UiModeManagerService uiModeF = uiMode;
727        final AppWidgetService appWidgetF = appWidget;
728        final WallpaperManagerService wallpaperF = wallpaper;
729        final InputMethodManagerService immF = imm;
730        final RecognitionManagerService recognitionF = recognition;
731        final LocationManagerService locationF = location;
732        final CountryDetectorService countryDetectorF = countryDetector;
733        final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater;
734        final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService;
735        final TextServicesManagerService textServiceManagerServiceF = tsms;
736        final StatusBarManagerService statusBarF = statusBar;
737        final DreamManagerService dreamyF = dreamy;
738        final InputManagerService inputManagerF = inputManager;
739        final BluetoothService bluetoothF = bluetooth;
740
741        // We now tell the activity manager it is okay to run third party
742        // code.  It will call back into us once it has gotten to the state
743        // where third party code can really run (but before it has actually
744        // started launching the initial applications), for us to complete our
745        // initialization.
746        ActivityManagerService.self().systemReady(new Runnable() {
747            public void run() {
748                Slog.i(TAG, "Making services ready");
749
750                if (!headless) startSystemUi(contextF);
751                try {
752                    if (batteryF != null) batteryF.systemReady();
753                } catch (Throwable e) {
754                    reportWtf("making Battery Service ready", e);
755                }
756                try {
757                    if (networkManagementF != null) networkManagementF.systemReady();
758                } catch (Throwable e) {
759                    reportWtf("making Network Managment Service ready", e);
760                }
761                try {
762                    if (networkStatsF != null) networkStatsF.systemReady();
763                } catch (Throwable e) {
764                    reportWtf("making Network Stats Service ready", e);
765                }
766                try {
767                    if (networkPolicyF != null) networkPolicyF.systemReady();
768                } catch (Throwable e) {
769                    reportWtf("making Network Policy Service ready", e);
770                }
771                try {
772                    if (connectivityF != null) connectivityF.systemReady();
773                } catch (Throwable e) {
774                    reportWtf("making Connectivity Service ready", e);
775                }
776                try {
777                    if (dockF != null) dockF.systemReady();
778                } catch (Throwable e) {
779                    reportWtf("making Dock Service ready", e);
780                }
781                try {
782                    if (usbF != null) usbF.systemReady();
783                } catch (Throwable e) {
784                    reportWtf("making USB Service ready", e);
785                }
786                try {
787                    if (uiModeF != null) uiModeF.systemReady();
788                } catch (Throwable e) {
789                    reportWtf("making UI Mode Service ready", e);
790                }
791                try {
792                    if (recognitionF != null) recognitionF.systemReady();
793                } catch (Throwable e) {
794                    reportWtf("making Recognition Service ready", e);
795                }
796                Watchdog.getInstance().start();
797
798                // It is now okay to let the various system services start their
799                // third party code...
800
801                try {
802                    if (appWidgetF != null) appWidgetF.systemReady(safeMode);
803                } catch (Throwable e) {
804                    reportWtf("making App Widget Service ready", e);
805                }
806                try {
807                    if (wallpaperF != null) wallpaperF.systemReady();
808                } catch (Throwable e) {
809                    reportWtf("making Wallpaper Service ready", e);
810                }
811                try {
812                    if (immF != null) immF.systemReady(statusBarF);
813                } catch (Throwable e) {
814                    reportWtf("making Input Method Service ready", e);
815                }
816                try {
817                    if (locationF != null) locationF.systemReady();
818                } catch (Throwable e) {
819                    reportWtf("making Location Service ready", e);
820                }
821                try {
822                    if (countryDetectorF != null) countryDetectorF.systemReady();
823                } catch (Throwable e) {
824                    reportWtf("making Country Detector Service ready", e);
825                }
826                try {
827                    if (throttleF != null) throttleF.systemReady();
828                } catch (Throwable e) {
829                    reportWtf("making Throttle Service ready", e);
830                }
831                try {
832                    if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady();
833                } catch (Throwable e) {
834                    reportWtf("making Network Time Service ready", e);
835                }
836                try {
837                    if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady();
838                } catch (Throwable e) {
839                    reportWtf("making Common time management service ready", e);
840                }
841                try {
842                    if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady();
843                } catch (Throwable e) {
844                    reportWtf("making Text Services Manager Service ready", e);
845                }
846                try {
847                    if (dreamyF != null) dreamyF.systemReady();
848                } catch (Throwable e) {
849                    reportWtf("making DreamManagerService ready", e);
850                }
851                try {
852                    if (inputManagerF != null) inputManagerF.systemReady(bluetoothF);
853                } catch (Throwable e) {
854                    reportWtf("making InputManagerService ready", e);
855                }
856            }
857        });
858
859        // For debug builds, log event loop stalls to dropbox for analysis.
860        if (StrictMode.conditionallyEnableDebugLogging()) {
861            Slog.i(TAG, "Enabled StrictMode for system server main thread.");
862        }
863
864        Looper.loop();
865        Slog.d(TAG, "System ServerThread is exiting!");
866    }
867
868    static final void startSystemUi(Context context) {
869        Intent intent = new Intent();
870        intent.setComponent(new ComponentName("com.android.systemui",
871                    "com.android.systemui.SystemUIService"));
872        Slog.d(TAG, "Starting service: " + intent);
873        context.startService(intent);
874    }
875}
876
877public class SystemServer {
878    private static final String TAG = "SystemServer";
879
880    public static final int FACTORY_TEST_OFF = 0;
881    public static final int FACTORY_TEST_LOW_LEVEL = 1;
882    public static final int FACTORY_TEST_HIGH_LEVEL = 2;
883
884    static Timer timer;
885    static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
886
887    // The earliest supported time.  We pick one day into 1970, to
888    // give any timezone code room without going into negative time.
889    private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
890
891    /**
892     * This method is called from Zygote to initialize the system. This will cause the native
893     * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
894     * up into init2() to start the Android services.
895     */
896    native public static void init1(String[] args);
897
898    public static void main(String[] args) {
899        if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
900            // If a device's clock is before 1970 (before 0), a lot of
901            // APIs crash dealing with negative numbers, notably
902            // java.io.File#setLastModified, so instead we fake it and
903            // hope that time from cell towers or NTP fixes it
904            // shortly.
905            Slog.w(TAG, "System clock is before 1970; setting to 1970.");
906            SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
907        }
908
909        if (SamplingProfilerIntegration.isEnabled()) {
910            SamplingProfilerIntegration.start();
911            timer = new Timer();
912            timer.schedule(new TimerTask() {
913                @Override
914                public void run() {
915                    SamplingProfilerIntegration.writeSnapshot("system_server", null);
916                }
917            }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
918        }
919
920        // Mmmmmm... more memory!
921        dalvik.system.VMRuntime.getRuntime().clearGrowthLimit();
922
923        // The system server has to run all of the time, so it needs to be
924        // as efficient as possible with its memory usage.
925        VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
926
927        System.loadLibrary("android_servers");
928        init1(args);
929    }
930
931    public static final void init2() {
932        Slog.i(TAG, "Entered the Android system server!");
933        Thread thr = new ServerThread();
934        thr.setName("android.server.ServerThread");
935        thr.start();
936    }
937}
938