SystemServer.java revision 0f42037eb7b5118015c2caca635538324ccf0ccf
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.search.SearchManagerService;
40import android.service.dreams.DreamManagerService;
41import android.util.DisplayMetrics;
42import android.util.EventLog;
43import android.util.Log;
44import android.util.Slog;
45import android.view.WindowManager;
46
47import com.android.internal.os.BinderInternal;
48import com.android.internal.os.SamplingProfilerIntegration;
49import com.android.internal.widget.LockSettingsService;
50import com.android.server.accessibility.AccessibilityManagerService;
51import com.android.server.am.ActivityManagerService;
52import com.android.server.input.InputManagerService;
53import com.android.server.net.NetworkPolicyManagerService;
54import com.android.server.net.NetworkStatsService;
55import com.android.server.pm.PackageManagerService;
56import com.android.server.power.PowerManagerService;
57import com.android.server.power.ShutdownThread;
58import com.android.server.usb.UsbService;
59import com.android.server.wm.WindowManagerService;
60
61import dalvik.system.VMRuntime;
62import dalvik.system.Zygote;
63
64import java.io.File;
65import java.util.Timer;
66import java.util.TimerTask;
67
68class ServerThread extends Thread {
69    private static final String TAG = "SystemServer";
70    private static final String ENCRYPTING_STATE = "trigger_restart_min_framework";
71    private static final String ENCRYPTED_STATE = "1";
72
73    ContentResolver mContentResolver;
74
75    void reportWtf(String msg, Throwable e) {
76        Slog.w(TAG, "***********************************************");
77        Log.wtf(TAG, "BOOT FAILURE " + msg, e);
78    }
79
80    @Override
81    public void run() {
82        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
83            SystemClock.uptimeMillis());
84
85        Looper.prepareMainLooper();
86
87        android.os.Process.setThreadPriority(
88                android.os.Process.THREAD_PRIORITY_FOREGROUND);
89
90        BinderInternal.disableBackgroundScheduling(true);
91        android.os.Process.setCanSelfBackground(false);
92
93        // Check whether we failed to shut down last time we tried.
94        {
95            final String shutdownAction = SystemProperties.get(
96                    ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
97            if (shutdownAction != null && shutdownAction.length() > 0) {
98                boolean reboot = (shutdownAction.charAt(0) == '1');
99
100                final String reason;
101                if (shutdownAction.length() > 1) {
102                    reason = shutdownAction.substring(1, shutdownAction.length());
103                } else {
104                    reason = null;
105                }
106
107                ShutdownThread.rebootOrShutdown(reboot, reason);
108            }
109        }
110
111        String factoryTestStr = SystemProperties.get("ro.factorytest");
112        int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
113                : Integer.parseInt(factoryTestStr);
114        final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0"));
115
116        LightsService lights = null;
117        PowerManagerService power = null;
118        BatteryService battery = null;
119        VibratorService vibrator = null;
120        AlarmManagerService alarm = null;
121        NetworkManagementService networkManagement = null;
122        NetworkStatsService networkStats = null;
123        NetworkPolicyManagerService networkPolicy = null;
124        ConnectivityService connectivity = null;
125        WifiP2pService wifiP2p = null;
126        WifiService wifi = null;
127        NsdService serviceDiscovery= null;
128        IPackageManager pm = null;
129        Context context = null;
130        WindowManagerService wm = null;
131        BluetoothManagerService bluetooth = null;
132        DockObserver dock = null;
133        UsbService usb = null;
134        SerialService serial = null;
135        UiModeManagerService uiMode = null;
136        RecognitionManagerService recognition = null;
137        ThrottleService throttle = null;
138        NetworkTimeUpdateService networkTimeUpdater = null;
139        CommonTimeManagementService commonTimeMgmtService = null;
140        InputManagerService inputManager = null;
141
142        // Critical services...
143        try {
144            Slog.i(TAG, "Entropy Mixer");
145            ServiceManager.addService("entropy", new EntropyMixer());
146
147            Slog.i(TAG, "Power Manager");
148            power = new PowerManagerService();
149            ServiceManager.addService(Context.POWER_SERVICE, power);
150
151            Slog.i(TAG, "Activity Manager");
152            context = ActivityManagerService.main(factoryTest);
153
154            Slog.i(TAG, "Telephony Registry");
155            ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));
156
157            Slog.i(TAG, "Scheduling Policy");
158            ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE,
159                    new SchedulingPolicyService());
160
161            AttributeCache.init(context);
162
163            Slog.i(TAG, "Package Manager");
164            // Only run "core" apps if we're encrypting the device.
165            String cryptState = SystemProperties.get("vold.decrypt");
166            boolean onlyCore = false;
167            if (ENCRYPTING_STATE.equals(cryptState)) {
168                Slog.w(TAG, "Detected encryption in progress - only parsing core apps");
169                onlyCore = true;
170            } else if (ENCRYPTED_STATE.equals(cryptState)) {
171                Slog.w(TAG, "Device encrypted - only parsing core apps");
172                onlyCore = true;
173            }
174
175            pm = PackageManagerService.main(context,
176                    factoryTest != SystemServer.FACTORY_TEST_OFF,
177                    onlyCore);
178            boolean firstBoot = false;
179            try {
180                firstBoot = pm.isFirstBoot();
181            } catch (RemoteException e) {
182            }
183
184            ActivityManagerService.setSystemProcess();
185
186            mContentResolver = context.getContentResolver();
187
188            // The AccountManager must come before the ContentService
189            try {
190                Slog.i(TAG, "Account Manager");
191                ServiceManager.addService(Context.ACCOUNT_SERVICE,
192                        new AccountManagerService(context));
193            } catch (Throwable e) {
194                Slog.e(TAG, "Failure starting Account Manager", e);
195            }
196
197            Slog.i(TAG, "Content Manager");
198            ContentService.main(context,
199                    factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);
200
201            Slog.i(TAG, "System Content Providers");
202            ActivityManagerService.installSystemProviders();
203
204            Slog.i(TAG, "Lights Service");
205            lights = new LightsService(context);
206
207            Slog.i(TAG, "Battery Service");
208            battery = new BatteryService(context, lights);
209            ServiceManager.addService("battery", battery);
210
211            Slog.i(TAG, "Vibrator Service");
212            vibrator = new VibratorService(context);
213            ServiceManager.addService("vibrator", vibrator);
214
215            // only initialize the power service after we have started the
216            // lights service, content providers and the battery service.
217            power.init(context, lights, ActivityManagerService.self(), battery);
218
219            Slog.i(TAG, "Alarm Manager");
220            alarm = new AlarmManagerService(context);
221            ServiceManager.addService(Context.ALARM_SERVICE, alarm);
222
223            Slog.i(TAG, "Init Watchdog");
224            Watchdog.getInstance().init(context, battery, power, alarm,
225                    ActivityManagerService.self());
226
227            Slog.i(TAG, "Window Manager");
228            wm = WindowManagerService.main(context, power,
229                    factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL,
230                    !firstBoot, onlyCore);
231            ServiceManager.addService(Context.WINDOW_SERVICE, wm);
232            inputManager = wm.getInputManagerService();
233            ServiceManager.addService(Context.INPUT_SERVICE, inputManager);
234
235            ActivityManagerService.self().setWindowManager(wm);
236
237            // Skip Bluetooth if we have an emulator kernel
238            // TODO: Use a more reliable check to see if this product should
239            // support Bluetooth - see bug 988521
240            if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
241                Slog.i(TAG, "No Bluetooh Service (emulator)");
242            } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
243                Slog.i(TAG, "No Bluetooth Service (factory test)");
244            } else {
245                Slog.i(TAG, "Bluetooth Manager Service");
246                bluetooth = new BluetoothManagerService(context);
247                ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth);
248            }
249
250        } catch (RuntimeException e) {
251            Slog.e("System", "******************************************");
252            Slog.e("System", "************ Failure starting core service", e);
253        }
254
255        DevicePolicyManagerService devicePolicy = null;
256        StatusBarManagerService statusBar = null;
257        InputMethodManagerService imm = null;
258        AppWidgetService appWidget = null;
259        NotificationManagerService notification = null;
260        WallpaperManagerService wallpaper = null;
261        LocationManagerService location = null;
262        CountryDetectorService countryDetector = null;
263        TextServicesManagerService tsms = null;
264        LockSettingsService lockSettings = null;
265        DreamManagerService dreamy = null;
266
267        // Bring up services needed for UI.
268        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
269            try {
270                Slog.i(TAG, "Input Method Service");
271                imm = new InputMethodManagerService(context, wm);
272                ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
273            } catch (Throwable e) {
274                reportWtf("starting Input Manager Service", e);
275            }
276
277            try {
278                Slog.i(TAG, "Accessibility Manager");
279                ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
280                        new AccessibilityManagerService(context));
281            } catch (Throwable e) {
282                reportWtf("starting Accessibility Manager", e);
283            }
284        }
285
286        try {
287            wm.displayReady();
288        } catch (Throwable e) {
289            reportWtf("making display ready", e);
290        }
291
292        try {
293            pm.performBootDexOpt();
294        } catch (Throwable e) {
295            reportWtf("performing boot dexopt", e);
296        }
297
298        try {
299            ActivityManagerNative.getDefault().showBootMessage(
300                    context.getResources().getText(
301                            com.android.internal.R.string.android_upgrading_starting_apps),
302                            false);
303        } catch (RemoteException e) {
304        }
305
306        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
307            MountService mountService = null;
308            if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) {
309                try {
310                    /*
311                     * NotificationManagerService is dependant on MountService,
312                     * (for media / usb notifications) so we must start MountService first.
313                     */
314                    Slog.i(TAG, "Mount Service");
315                    mountService = new MountService(context);
316                    ServiceManager.addService("mount", mountService);
317                } catch (Throwable e) {
318                    reportWtf("starting Mount Service", e);
319                }
320            }
321
322            try {
323                Slog.i(TAG,  "LockSettingsService");
324                lockSettings = new LockSettingsService(context);
325                ServiceManager.addService("lock_settings", lockSettings);
326            } catch (Throwable e) {
327                reportWtf("starting LockSettingsService service", e);
328            }
329
330            try {
331                Slog.i(TAG, "Device Policy");
332                devicePolicy = new DevicePolicyManagerService(context);
333                ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
334            } catch (Throwable e) {
335                reportWtf("starting DevicePolicyService", e);
336            }
337
338            try {
339                Slog.i(TAG, "Status Bar");
340                statusBar = new StatusBarManagerService(context, wm);
341                ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
342            } catch (Throwable e) {
343                reportWtf("starting StatusBarManagerService", e);
344            }
345
346            try {
347                Slog.i(TAG, "Clipboard Service");
348                ServiceManager.addService(Context.CLIPBOARD_SERVICE,
349                        new ClipboardService(context));
350            } catch (Throwable e) {
351                reportWtf("starting Clipboard Service", e);
352            }
353
354            try {
355                Slog.i(TAG, "NetworkManagement Service");
356                networkManagement = NetworkManagementService.create(context);
357                ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
358            } catch (Throwable e) {
359                reportWtf("starting NetworkManagement Service", e);
360            }
361
362            try {
363                Slog.i(TAG, "Text Service Manager Service");
364                tsms = new TextServicesManagerService(context);
365                ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms);
366            } catch (Throwable e) {
367                reportWtf("starting Text Service Manager Service", e);
368            }
369
370            try {
371                Slog.i(TAG, "NetworkStats Service");
372                networkStats = new NetworkStatsService(context, networkManagement, alarm);
373                ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
374            } catch (Throwable e) {
375                reportWtf("starting NetworkStats Service", e);
376            }
377
378            try {
379                Slog.i(TAG, "NetworkPolicy Service");
380                networkPolicy = new NetworkPolicyManagerService(
381                        context, ActivityManagerService.self(), power,
382                        networkStats, networkManagement);
383                ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);
384            } catch (Throwable e) {
385                reportWtf("starting NetworkPolicy Service", e);
386            }
387
388           try {
389                Slog.i(TAG, "Wi-Fi P2pService");
390                wifiP2p = new WifiP2pService(context);
391                ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p);
392            } catch (Throwable e) {
393                reportWtf("starting Wi-Fi P2pService", e);
394            }
395
396           try {
397                Slog.i(TAG, "Wi-Fi Service");
398                wifi = new WifiService(context);
399                ServiceManager.addService(Context.WIFI_SERVICE, wifi);
400            } catch (Throwable e) {
401                reportWtf("starting Wi-Fi Service", e);
402            }
403
404            try {
405                Slog.i(TAG, "Connectivity Service");
406                connectivity = new ConnectivityService(
407                        context, networkManagement, networkStats, networkPolicy);
408                ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
409                networkStats.bindConnectivityManager(connectivity);
410                networkPolicy.bindConnectivityManager(connectivity);
411                wifi.checkAndStartWifi();
412                wifiP2p.connectivityServiceReady();
413            } catch (Throwable e) {
414                reportWtf("starting Connectivity Service", e);
415            }
416
417            try {
418                Slog.i(TAG, "Network Service Discovery Service");
419                serviceDiscovery = NsdService.create(context);
420                ServiceManager.addService(
421                        Context.NSD_SERVICE, serviceDiscovery);
422            } catch (Throwable e) {
423                reportWtf("starting Service Discovery Service", e);
424            }
425
426            try {
427                Slog.i(TAG, "Throttle Service");
428                throttle = new ThrottleService(context);
429                ServiceManager.addService(
430                        Context.THROTTLE_SERVICE, throttle);
431            } catch (Throwable e) {
432                reportWtf("starting ThrottleService", e);
433            }
434
435            try {
436                Slog.i(TAG, "UpdateLock Service");
437                ServiceManager.addService(Context.UPDATE_LOCK_SERVICE,
438                        new UpdateLockService(context));
439            } catch (Throwable e) {
440                reportWtf("starting UpdateLockService", e);
441            }
442
443            /*
444             * MountService has a few dependencies: Notification Manager and
445             * AppWidget Provider. Make sure MountService is completely started
446             * first before continuing.
447             */
448            if (mountService != null) {
449                mountService.waitForAsecScan();
450            }
451
452            try {
453                Slog.i(TAG, "Notification Manager");
454                notification = new NotificationManagerService(context, statusBar, lights);
455                ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
456                networkPolicy.bindNotificationManager(notification);
457            } catch (Throwable e) {
458                reportWtf("starting Notification Manager", e);
459            }
460
461            try {
462                Slog.i(TAG, "Device Storage Monitor");
463                ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
464                        new DeviceStorageMonitorService(context));
465            } catch (Throwable e) {
466                reportWtf("starting DeviceStorageMonitor service", e);
467            }
468
469            try {
470                Slog.i(TAG, "Location Manager");
471                location = new LocationManagerService(context);
472                ServiceManager.addService(Context.LOCATION_SERVICE, location);
473            } catch (Throwable e) {
474                reportWtf("starting Location Manager", e);
475            }
476
477            try {
478                Slog.i(TAG, "Country Detector");
479                countryDetector = new CountryDetectorService(context);
480                ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector);
481            } catch (Throwable e) {
482                reportWtf("starting Country Detector", e);
483            }
484
485            try {
486                Slog.i(TAG, "Search Service");
487                ServiceManager.addService(Context.SEARCH_SERVICE,
488                        new SearchManagerService(context));
489            } catch (Throwable e) {
490                reportWtf("starting Search Service", e);
491            }
492
493            try {
494                Slog.i(TAG, "DropBox Service");
495                ServiceManager.addService(Context.DROPBOX_SERVICE,
496                        new DropBoxManagerService(context, new File("/data/system/dropbox")));
497            } catch (Throwable e) {
498                reportWtf("starting DropBoxManagerService", e);
499            }
500
501            if (context.getResources().getBoolean(
502                        com.android.internal.R.bool.config_enableWallpaperService)) {
503                try {
504                    Slog.i(TAG, "Wallpaper Service");
505                    if (!headless) {
506                        wallpaper = new WallpaperManagerService(context);
507                        ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
508                    }
509                } catch (Throwable e) {
510                    reportWtf("starting Wallpaper Service", e);
511                }
512            }
513
514            if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) {
515                try {
516                    Slog.i(TAG, "Audio Service");
517                    ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
518                } catch (Throwable e) {
519                    reportWtf("starting Audio Service", e);
520                }
521            }
522
523            try {
524                Slog.i(TAG, "Dock Observer");
525                // Listen for dock station changes
526                dock = new DockObserver(context, power);
527            } catch (Throwable e) {
528                reportWtf("starting DockObserver", e);
529            }
530
531            try {
532                Slog.i(TAG, "Wired Accessory Observer");
533                // Listen for wired headset changes
534                new WiredAccessoryObserver(context);
535            } catch (Throwable e) {
536                reportWtf("starting WiredAccessoryObserver", e);
537            }
538
539            try {
540                Slog.i(TAG, "USB Service");
541                // Manage USB host and device support
542                usb = new UsbService(context);
543                ServiceManager.addService(Context.USB_SERVICE, usb);
544            } catch (Throwable e) {
545                reportWtf("starting UsbService", e);
546            }
547
548            try {
549                Slog.i(TAG, "Serial Service");
550                // Serial port support
551                serial = new SerialService(context);
552                ServiceManager.addService(Context.SERIAL_SERVICE, serial);
553            } catch (Throwable e) {
554                Slog.e(TAG, "Failure starting SerialService", e);
555            }
556
557            try {
558                Slog.i(TAG, "UI Mode Manager Service");
559                // Listen for UI mode changes
560                uiMode = new UiModeManagerService(context);
561            } catch (Throwable e) {
562                reportWtf("starting UiModeManagerService", e);
563            }
564
565            try {
566                Slog.i(TAG, "Backup Service");
567                ServiceManager.addService(Context.BACKUP_SERVICE,
568                        new BackupManagerService(context));
569            } catch (Throwable e) {
570                Slog.e(TAG, "Failure starting Backup Service", e);
571            }
572
573            try {
574                Slog.i(TAG, "AppWidget Service");
575                appWidget = new AppWidgetService(context);
576                ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
577            } catch (Throwable e) {
578                reportWtf("starting AppWidget Service", e);
579            }
580
581            try {
582                Slog.i(TAG, "Recognition Service");
583                recognition = new RecognitionManagerService(context);
584            } catch (Throwable e) {
585                reportWtf("starting Recognition Service", e);
586            }
587
588            try {
589                Slog.i(TAG, "DiskStats Service");
590                ServiceManager.addService("diskstats", new DiskStatsService(context));
591            } catch (Throwable e) {
592                reportWtf("starting DiskStats Service", e);
593            }
594
595            try {
596                // need to add this service even if SamplingProfilerIntegration.isEnabled()
597                // is false, because it is this service that detects system property change and
598                // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work,
599                // there is little overhead for running this service.
600                Slog.i(TAG, "SamplingProfiler Service");
601                ServiceManager.addService("samplingprofiler",
602                            new SamplingProfilerService(context));
603            } catch (Throwable e) {
604                reportWtf("starting SamplingProfiler Service", e);
605            }
606
607            try {
608                Slog.i(TAG, "NetworkTimeUpdateService");
609                networkTimeUpdater = new NetworkTimeUpdateService(context);
610            } catch (Throwable e) {
611                reportWtf("starting NetworkTimeUpdate service", e);
612            }
613
614            try {
615                Slog.i(TAG, "CommonTimeManagementService");
616                commonTimeMgmtService = new CommonTimeManagementService(context);
617                ServiceManager.addService("commontime_management", commonTimeMgmtService);
618            } catch (Throwable e) {
619                reportWtf("starting CommonTimeManagementService service", e);
620            }
621
622            try {
623                Slog.i(TAG, "CertBlacklister");
624                CertBlacklister blacklister = new CertBlacklister(context);
625            } catch (Throwable e) {
626                reportWtf("starting CertBlacklister", e);
627            }
628
629            if (context.getResources().getBoolean(
630                    com.android.internal.R.bool.config_enableDreams)) {
631                try {
632                    Slog.i(TAG, "Dreams Service");
633                    // Dreams (interactive idle-time views, a/k/a screen savers)
634                    dreamy = new DreamManagerService(context);
635                    ServiceManager.addService("dreams", dreamy);
636                } catch (Throwable e) {
637                    reportWtf("starting DreamManagerService", e);
638                }
639            }
640        }
641
642        // Before things start rolling, be sure we have decided whether
643        // we are in safe mode.
644        final boolean safeMode = wm.detectSafeMode();
645        if (safeMode) {
646            ActivityManagerService.self().enterSafeMode();
647            // Post the safe mode state in the Zygote class
648            Zygote.systemInSafeMode = true;
649            // Disable the JIT for the system_server process
650            VMRuntime.getRuntime().disableJitCompilation();
651        } else {
652            // Enable the JIT for the system_server process
653            VMRuntime.getRuntime().startJitCompilation();
654        }
655
656        // It is now time to start up the app processes...
657
658        try {
659            vibrator.systemReady();
660        } catch (Throwable e) {
661            reportWtf("making Vibrator Service ready", e);
662        }
663
664        if (devicePolicy != null) {
665            try {
666                devicePolicy.systemReady();
667            } catch (Throwable e) {
668                reportWtf("making Device Policy Service ready", e);
669            }
670        }
671
672        if (notification != null) {
673            try {
674                notification.systemReady();
675            } catch (Throwable e) {
676                reportWtf("making Notification Service ready", e);
677            }
678        }
679
680        try {
681            wm.systemReady();
682        } catch (Throwable e) {
683            reportWtf("making Window Manager Service ready", e);
684        }
685
686        if (safeMode) {
687            ActivityManagerService.self().showSafeModeOverlay();
688        }
689
690        // Update the configuration for this context by hand, because we're going
691        // to start using it before the config change done in wm.systemReady() will
692        // propagate to it.
693        Configuration config = wm.computeNewConfiguration();
694        DisplayMetrics metrics = new DisplayMetrics();
695        WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
696        w.getDefaultDisplay().getMetrics(metrics);
697        context.getResources().updateConfiguration(config, metrics);
698
699        power.systemReady();
700        try {
701            pm.systemReady();
702        } catch (Throwable e) {
703            reportWtf("making Package Manager Service ready", e);
704        }
705        try {
706            lockSettings.systemReady();
707        } catch (Throwable e) {
708            reportWtf("making Lock Settings Service ready", e);
709        }
710
711        // These are needed to propagate to the runnable below.
712        final Context contextF = context;
713        final BatteryService batteryF = battery;
714        final NetworkManagementService networkManagementF = networkManagement;
715        final NetworkStatsService networkStatsF = networkStats;
716        final NetworkPolicyManagerService networkPolicyF = networkPolicy;
717        final ConnectivityService connectivityF = connectivity;
718        final DockObserver dockF = dock;
719        final UsbService usbF = usb;
720        final ThrottleService throttleF = throttle;
721        final UiModeManagerService uiModeF = uiMode;
722        final AppWidgetService appWidgetF = appWidget;
723        final WallpaperManagerService wallpaperF = wallpaper;
724        final InputMethodManagerService immF = imm;
725        final RecognitionManagerService recognitionF = recognition;
726        final LocationManagerService locationF = location;
727        final CountryDetectorService countryDetectorF = countryDetector;
728        final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater;
729        final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService;
730        final TextServicesManagerService textServiceManagerServiceF = tsms;
731        final StatusBarManagerService statusBarF = statusBar;
732        final DreamManagerService dreamyF = dreamy;
733        final InputManagerService inputManagerF = inputManager;
734        final BluetoothService bluetoothF = bluetooth;
735
736        // We now tell the activity manager it is okay to run third party
737        // code.  It will call back into us once it has gotten to the state
738        // where third party code can really run (but before it has actually
739        // started launching the initial applications), for us to complete our
740        // initialization.
741        ActivityManagerService.self().systemReady(new Runnable() {
742            public void run() {
743                Slog.i(TAG, "Making services ready");
744
745                if (!headless) startSystemUi(contextF);
746                try {
747                    if (batteryF != null) batteryF.systemReady();
748                } catch (Throwable e) {
749                    reportWtf("making Battery Service ready", e);
750                }
751                try {
752                    if (networkManagementF != null) networkManagementF.systemReady();
753                } catch (Throwable e) {
754                    reportWtf("making Network Managment Service ready", e);
755                }
756                try {
757                    if (networkStatsF != null) networkStatsF.systemReady();
758                } catch (Throwable e) {
759                    reportWtf("making Network Stats Service ready", e);
760                }
761                try {
762                    if (networkPolicyF != null) networkPolicyF.systemReady();
763                } catch (Throwable e) {
764                    reportWtf("making Network Policy Service ready", e);
765                }
766                try {
767                    if (connectivityF != null) connectivityF.systemReady();
768                } catch (Throwable e) {
769                    reportWtf("making Connectivity Service ready", e);
770                }
771                try {
772                    if (dockF != null) dockF.systemReady();
773                } catch (Throwable e) {
774                    reportWtf("making Dock Service ready", e);
775                }
776                try {
777                    if (usbF != null) usbF.systemReady();
778                } catch (Throwable e) {
779                    reportWtf("making USB Service ready", e);
780                }
781                try {
782                    if (uiModeF != null) uiModeF.systemReady();
783                } catch (Throwable e) {
784                    reportWtf("making UI Mode Service ready", e);
785                }
786                try {
787                    if (recognitionF != null) recognitionF.systemReady();
788                } catch (Throwable e) {
789                    reportWtf("making Recognition Service ready", e);
790                }
791                Watchdog.getInstance().start();
792
793                // It is now okay to let the various system services start their
794                // third party code...
795
796                try {
797                    if (appWidgetF != null) appWidgetF.systemReady(safeMode);
798                } catch (Throwable e) {
799                    reportWtf("making App Widget Service ready", e);
800                }
801                try {
802                    if (wallpaperF != null) wallpaperF.systemReady();
803                } catch (Throwable e) {
804                    reportWtf("making Wallpaper Service ready", e);
805                }
806                try {
807                    if (immF != null) immF.systemReady(statusBarF);
808                } catch (Throwable e) {
809                    reportWtf("making Input Method Service ready", e);
810                }
811                try {
812                    if (locationF != null) locationF.systemReady();
813                } catch (Throwable e) {
814                    reportWtf("making Location Service ready", e);
815                }
816                try {
817                    if (countryDetectorF != null) countryDetectorF.systemReady();
818                } catch (Throwable e) {
819                    reportWtf("making Country Detector Service ready", e);
820                }
821                try {
822                    if (throttleF != null) throttleF.systemReady();
823                } catch (Throwable e) {
824                    reportWtf("making Throttle Service ready", e);
825                }
826                try {
827                    if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady();
828                } catch (Throwable e) {
829                    reportWtf("making Network Time Service ready", e);
830                }
831                try {
832                    if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady();
833                } catch (Throwable e) {
834                    reportWtf("making Common time management service ready", e);
835                }
836                try {
837                    if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady();
838                } catch (Throwable e) {
839                    reportWtf("making Text Services Manager Service ready", e);
840                }
841                try {
842                    if (dreamyF != null) dreamyF.systemReady();
843                } catch (Throwable e) {
844                    reportWtf("making DreamManagerService ready", e);
845                }
846                try {
847                    if (inputManagerF != null) inputManagerF.systemReady(bluetoothF);
848                } catch (Throwable e) {
849                    reportWtf("making InputManagerService ready", e);
850                }
851            }
852        });
853
854        // For debug builds, log event loop stalls to dropbox for analysis.
855        if (StrictMode.conditionallyEnableDebugLogging()) {
856            Slog.i(TAG, "Enabled StrictMode for system server main thread.");
857        }
858
859        Looper.loop();
860        Slog.d(TAG, "System ServerThread is exiting!");
861    }
862
863    static final void startSystemUi(Context context) {
864        Intent intent = new Intent();
865        intent.setComponent(new ComponentName("com.android.systemui",
866                    "com.android.systemui.SystemUIService"));
867        Slog.d(TAG, "Starting service: " + intent);
868        context.startService(intent);
869    }
870}
871
872public class SystemServer {
873    private static final String TAG = "SystemServer";
874
875    public static final int FACTORY_TEST_OFF = 0;
876    public static final int FACTORY_TEST_LOW_LEVEL = 1;
877    public static final int FACTORY_TEST_HIGH_LEVEL = 2;
878
879    static Timer timer;
880    static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
881
882    // The earliest supported time.  We pick one day into 1970, to
883    // give any timezone code room without going into negative time.
884    private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
885
886    /**
887     * This method is called from Zygote to initialize the system. This will cause the native
888     * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
889     * up into init2() to start the Android services.
890     */
891    native public static void init1(String[] args);
892
893    public static void main(String[] args) {
894        if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
895            // If a device's clock is before 1970 (before 0), a lot of
896            // APIs crash dealing with negative numbers, notably
897            // java.io.File#setLastModified, so instead we fake it and
898            // hope that time from cell towers or NTP fixes it
899            // shortly.
900            Slog.w(TAG, "System clock is before 1970; setting to 1970.");
901            SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
902        }
903
904        if (SamplingProfilerIntegration.isEnabled()) {
905            SamplingProfilerIntegration.start();
906            timer = new Timer();
907            timer.schedule(new TimerTask() {
908                @Override
909                public void run() {
910                    SamplingProfilerIntegration.writeSnapshot("system_server", null);
911                }
912            }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
913        }
914
915        // Mmmmmm... more memory!
916        dalvik.system.VMRuntime.getRuntime().clearGrowthLimit();
917
918        // The system server has to run all of the time, so it needs to be
919        // as efficient as possible with its memory usage.
920        VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
921
922        System.loadLibrary("android_servers");
923        init1(args);
924    }
925
926    public static final void init2() {
927        Slog.i(TAG, "Entered the Android system server!");
928        Thread thr = new ServerThread();
929        thr.setName("android.server.ServerThread");
930        thr.start();
931    }
932}
933