SystemServer.java revision 6a08a12b8e8ef6fa04932c7a1c5255e3f158a3c8
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.app.ActivityManagerNative;
20import android.bluetooth.BluetoothAdapter;
21import android.content.ComponentName;
22import android.content.ContentResolver;
23import android.content.Context;
24import android.content.Intent;
25import android.content.pm.IPackageManager;
26import android.content.pm.PackageManager;
27import android.content.res.Configuration;
28import android.media.AudioService;
29import android.net.wifi.p2p.WifiP2pService;
30import android.os.Environment;
31import android.os.Handler;
32import android.os.HandlerThread;
33import android.os.Looper;
34import android.os.RemoteException;
35import android.os.ServiceManager;
36import android.os.StrictMode;
37import android.os.SystemClock;
38import android.os.SystemProperties;
39import android.os.UserHandle;
40import android.service.dreams.DreamService;
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.server.accessibility.AccessibilityManagerService;
50import com.android.server.accounts.AccountManagerService;
51import com.android.server.am.ActivityManagerService;
52import com.android.server.am.BatteryStatsService;
53import com.android.server.content.ContentService;
54import com.android.server.display.DisplayManagerService;
55import com.android.server.dreams.DreamManagerService;
56import com.android.server.input.InputManagerService;
57import com.android.server.net.NetworkPolicyManagerService;
58import com.android.server.net.NetworkStatsService;
59import com.android.server.os.SchedulingPolicyService;
60import com.android.server.pm.Installer;
61import com.android.server.pm.PackageManagerService;
62import com.android.server.pm.UserManagerService;
63import com.android.server.power.PowerManagerService;
64import com.android.server.power.ShutdownThread;
65import com.android.server.search.SearchManagerService;
66import com.android.server.usb.UsbService;
67import com.android.server.wifi.WifiService;
68import com.android.server.wm.WindowManagerService;
69
70import dalvik.system.VMRuntime;
71import dalvik.system.Zygote;
72
73import java.io.File;
74import java.util.Timer;
75import java.util.TimerTask;
76
77class ServerThread extends Thread {
78    private static final String TAG = "SystemServer";
79    private static final String ENCRYPTING_STATE = "trigger_restart_min_framework";
80    private static final String ENCRYPTED_STATE = "1";
81
82    ContentResolver mContentResolver;
83
84    void reportWtf(String msg, Throwable e) {
85        Slog.w(TAG, "***********************************************");
86        Log.wtf(TAG, "BOOT FAILURE " + msg, e);
87    }
88
89    @Override
90    public void run() {
91        EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
92            SystemClock.uptimeMillis());
93
94        Looper.prepareMainLooper();
95
96        android.os.Process.setThreadPriority(
97                android.os.Process.THREAD_PRIORITY_FOREGROUND);
98
99        BinderInternal.disableBackgroundScheduling(true);
100        android.os.Process.setCanSelfBackground(false);
101
102        // Check whether we failed to shut down last time we tried.
103        {
104            final String shutdownAction = SystemProperties.get(
105                    ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
106            if (shutdownAction != null && shutdownAction.length() > 0) {
107                boolean reboot = (shutdownAction.charAt(0) == '1');
108
109                final String reason;
110                if (shutdownAction.length() > 1) {
111                    reason = shutdownAction.substring(1, shutdownAction.length());
112                } else {
113                    reason = null;
114                }
115
116                ShutdownThread.rebootOrShutdown(reboot, reason);
117            }
118        }
119
120        String factoryTestStr = SystemProperties.get("ro.factorytest");
121        int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
122                : Integer.parseInt(factoryTestStr);
123        final boolean headless = "1".equals(SystemProperties.get("ro.config.headless", "0"));
124
125        Installer installer = null;
126        AccountManagerService accountManager = null;
127        ContentService contentService = null;
128        LightsService lights = null;
129        PowerManagerService power = null;
130        DisplayManagerService display = null;
131        BatteryService battery = null;
132        VibratorService vibrator = null;
133        AlarmManagerService alarm = null;
134        MountService mountService = null;
135        NetworkManagementService networkManagement = null;
136        NetworkStatsService networkStats = null;
137        NetworkPolicyManagerService networkPolicy = null;
138        ConnectivityService connectivity = null;
139        WifiP2pService wifiP2p = null;
140        WifiService wifi = null;
141        NsdService serviceDiscovery= null;
142        IPackageManager pm = null;
143        Context context = null;
144        WindowManagerService wm = null;
145        BluetoothManagerService bluetooth = null;
146        DockObserver dock = null;
147        UsbService usb = null;
148        SerialService serial = null;
149        TwilightService twilight = null;
150        UiModeManagerService uiMode = null;
151        RecognitionManagerService recognition = null;
152        NetworkTimeUpdateService networkTimeUpdater = null;
153        CommonTimeManagementService commonTimeMgmtService = null;
154        InputManagerService inputManager = null;
155        TelephonyRegistry telephonyRegistry = null;
156
157        // Create a shared handler thread for UI within the system server.
158        // This thread is used by at least the following components:
159        // - WindowManagerPolicy
160        // - KeyguardViewManager
161        // - DisplayManagerService
162        HandlerThread uiHandlerThread = new HandlerThread("UI");
163        uiHandlerThread.start();
164        Handler uiHandler = new Handler(uiHandlerThread.getLooper());
165        uiHandler.post(new Runnable() {
166            @Override
167            public void run() {
168                //Looper.myLooper().setMessageLogging(new LogPrinter(
169                //        Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM));
170                android.os.Process.setThreadPriority(
171                        android.os.Process.THREAD_PRIORITY_FOREGROUND);
172                android.os.Process.setCanSelfBackground(false);
173
174                // For debug builds, log event loop stalls to dropbox for analysis.
175                if (StrictMode.conditionallyEnableDebugLogging()) {
176                    Slog.i(TAG, "Enabled StrictMode logging for UI Looper");
177                }
178            }
179        });
180
181        // Create a handler thread just for the window manager to enjoy.
182        HandlerThread wmHandlerThread = new HandlerThread("WindowManager");
183        wmHandlerThread.start();
184        Handler wmHandler = new Handler(wmHandlerThread.getLooper());
185        wmHandler.post(new Runnable() {
186            @Override
187            public void run() {
188                //Looper.myLooper().setMessageLogging(new LogPrinter(
189                //        android.util.Log.DEBUG, TAG, android.util.Log.LOG_ID_SYSTEM));
190                android.os.Process.setThreadPriority(
191                        android.os.Process.THREAD_PRIORITY_DISPLAY);
192                android.os.Process.setCanSelfBackground(false);
193
194                // For debug builds, log event loop stalls to dropbox for analysis.
195                if (StrictMode.conditionallyEnableDebugLogging()) {
196                    Slog.i(TAG, "Enabled StrictMode logging for WM Looper");
197                }
198            }
199        });
200
201        // Critical services...
202        boolean onlyCore = false;
203        try {
204            // Wait for installd to finished starting up so that it has a chance to
205            // create critical directories such as /data/user with the appropriate
206            // permissions.  We need this to complete before we initialize other services.
207            Slog.i(TAG, "Waiting for installd to be ready.");
208            installer = new Installer();
209            installer.ping();
210
211            Slog.i(TAG, "Power Manager");
212            power = new PowerManagerService();
213            ServiceManager.addService(Context.POWER_SERVICE, power);
214
215            Slog.i(TAG, "Activity Manager");
216            context = ActivityManagerService.main(factoryTest);
217
218            Slog.i(TAG, "Display Manager");
219            display = new DisplayManagerService(context, wmHandler, uiHandler);
220            ServiceManager.addService(Context.DISPLAY_SERVICE, display, true);
221
222            Slog.i(TAG, "Telephony Registry");
223            telephonyRegistry = new TelephonyRegistry(context);
224            ServiceManager.addService("telephony.registry", telephonyRegistry);
225
226            Slog.i(TAG, "Scheduling Policy");
227            ServiceManager.addService(Context.SCHEDULING_POLICY_SERVICE,
228                    new SchedulingPolicyService());
229
230            AttributeCache.init(context);
231
232            if (!display.waitForDefaultDisplay()) {
233                reportWtf("Timeout waiting for default display to be initialized.",
234                        new Throwable());
235            }
236
237            Slog.i(TAG, "Package Manager");
238            // Only run "core" apps if we're encrypting the device.
239            String cryptState = SystemProperties.get("vold.decrypt");
240            if (ENCRYPTING_STATE.equals(cryptState)) {
241                Slog.w(TAG, "Detected encryption in progress - only parsing core apps");
242                onlyCore = true;
243            } else if (ENCRYPTED_STATE.equals(cryptState)) {
244                Slog.w(TAG, "Device encrypted - only parsing core apps");
245                onlyCore = true;
246            }
247
248            pm = PackageManagerService.main(context, installer,
249                    factoryTest != SystemServer.FACTORY_TEST_OFF,
250                    onlyCore);
251            boolean firstBoot = false;
252            try {
253                firstBoot = pm.isFirstBoot();
254            } catch (RemoteException e) {
255            }
256
257            ActivityManagerService.setSystemProcess();
258
259            Slog.i(TAG, "Entropy Mixer");
260            ServiceManager.addService("entropy", new EntropyMixer(context));
261
262            Slog.i(TAG, "User Service");
263            ServiceManager.addService(Context.USER_SERVICE,
264                    UserManagerService.getInstance());
265
266            mContentResolver = context.getContentResolver();
267
268            // The AccountManager must come before the ContentService
269            try {
270                Slog.i(TAG, "Account Manager");
271                accountManager = new AccountManagerService(context);
272                ServiceManager.addService(Context.ACCOUNT_SERVICE, accountManager);
273            } catch (Throwable e) {
274                Slog.e(TAG, "Failure starting Account Manager", e);
275            }
276
277            Slog.i(TAG, "Content Manager");
278            contentService = ContentService.main(context,
279                    factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);
280
281            Slog.i(TAG, "System Content Providers");
282            ActivityManagerService.installSystemProviders();
283
284            Slog.i(TAG, "Lights Service");
285            lights = new LightsService(context);
286
287            Slog.i(TAG, "Battery Service");
288            battery = new BatteryService(context, lights);
289            ServiceManager.addService("battery", battery);
290
291            Slog.i(TAG, "Vibrator Service");
292            vibrator = new VibratorService(context);
293            ServiceManager.addService("vibrator", vibrator);
294
295            // only initialize the power service after we have started the
296            // lights service, content providers and the battery service.
297            power.init(context, lights, ActivityManagerService.self(), battery,
298                    BatteryStatsService.getService(), display);
299
300            Slog.i(TAG, "Alarm Manager");
301            alarm = new AlarmManagerService(context);
302            ServiceManager.addService(Context.ALARM_SERVICE, alarm);
303
304            Slog.i(TAG, "Init Watchdog");
305            Watchdog.getInstance().init(context, battery, power, alarm,
306                    ActivityManagerService.self());
307
308            Slog.i(TAG, "Input Manager");
309            inputManager = new InputManagerService(context, wmHandler);
310
311            Slog.i(TAG, "Window Manager");
312            wm = WindowManagerService.main(context, power, display, inputManager,
313                    uiHandler, wmHandler,
314                    factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL,
315                    !firstBoot, onlyCore);
316            ServiceManager.addService(Context.WINDOW_SERVICE, wm);
317            ServiceManager.addService(Context.INPUT_SERVICE, inputManager);
318
319            ActivityManagerService.self().setWindowManager(wm);
320
321            inputManager.setWindowManagerCallbacks(wm.getInputMonitor());
322            inputManager.start();
323
324            display.setWindowManager(wm);
325            display.setInputManager(inputManager);
326
327            // Skip Bluetooth if we have an emulator kernel
328            // TODO: Use a more reliable check to see if this product should
329            // support Bluetooth - see bug 988521
330            if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
331                Slog.i(TAG, "No Bluetooh Service (emulator)");
332            } else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
333                Slog.i(TAG, "No Bluetooth Service (factory test)");
334            } else if (!context.getPackageManager().hasSystemFeature
335                       (PackageManager.FEATURE_BLUETOOTH)) {
336                Slog.i(TAG, "No Bluetooth Service (Bluetooth Hardware Not Present)");
337            } else {
338                Slog.i(TAG, "Bluetooth Manager Service");
339                bluetooth = new BluetoothManagerService(context);
340                ServiceManager.addService(BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE, bluetooth);
341            }
342
343        } catch (RuntimeException e) {
344            Slog.e("System", "******************************************");
345            Slog.e("System", "************ Failure starting core service", e);
346        }
347
348        DevicePolicyManagerService devicePolicy = null;
349        StatusBarManagerService statusBar = null;
350        InputMethodManagerService imm = null;
351        AppWidgetService appWidget = null;
352        NotificationManagerService notification = null;
353        WallpaperManagerService wallpaper = null;
354        LocationManagerService location = null;
355        CountryDetectorService countryDetector = null;
356        TextServicesManagerService tsms = null;
357        LockSettingsService lockSettings = null;
358        DreamManagerService dreamy = null;
359
360        // Bring up services needed for UI.
361        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
362            try {
363                Slog.i(TAG, "Input Method Service");
364                imm = new InputMethodManagerService(context, wm);
365                ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
366            } catch (Throwable e) {
367                reportWtf("starting Input Manager Service", e);
368            }
369
370            try {
371                Slog.i(TAG, "Accessibility Manager");
372                ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
373                        new AccessibilityManagerService(context));
374            } catch (Throwable e) {
375                reportWtf("starting Accessibility Manager", e);
376            }
377        }
378
379        try {
380            wm.displayReady();
381        } catch (Throwable e) {
382            reportWtf("making display ready", e);
383        }
384
385        try {
386            pm.performBootDexOpt();
387        } catch (Throwable e) {
388            reportWtf("performing boot dexopt", e);
389        }
390
391        try {
392            ActivityManagerNative.getDefault().showBootMessage(
393                    context.getResources().getText(
394                            com.android.internal.R.string.android_upgrading_starting_apps),
395                            false);
396        } catch (RemoteException e) {
397        }
398
399        if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
400            if (!"0".equals(SystemProperties.get("system_init.startmountservice"))) {
401                try {
402                    /*
403                     * NotificationManagerService is dependant on MountService,
404                     * (for media / usb notifications) so we must start MountService first.
405                     */
406                    Slog.i(TAG, "Mount Service");
407                    mountService = new MountService(context);
408                    ServiceManager.addService("mount", mountService);
409                } catch (Throwable e) {
410                    reportWtf("starting Mount Service", e);
411                }
412            }
413
414            try {
415                Slog.i(TAG,  "LockSettingsService");
416                lockSettings = new LockSettingsService(context);
417                ServiceManager.addService("lock_settings", lockSettings);
418            } catch (Throwable e) {
419                reportWtf("starting LockSettingsService service", e);
420            }
421
422            try {
423                Slog.i(TAG, "Device Policy");
424                devicePolicy = new DevicePolicyManagerService(context);
425                ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
426            } catch (Throwable e) {
427                reportWtf("starting DevicePolicyService", e);
428            }
429
430            try {
431                Slog.i(TAG, "Status Bar");
432                statusBar = new StatusBarManagerService(context, wm);
433                ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
434            } catch (Throwable e) {
435                reportWtf("starting StatusBarManagerService", e);
436            }
437
438            try {
439                Slog.i(TAG, "Clipboard Service");
440                ServiceManager.addService(Context.CLIPBOARD_SERVICE,
441                        new ClipboardService(context));
442            } catch (Throwable e) {
443                reportWtf("starting Clipboard Service", e);
444            }
445
446            try {
447                Slog.i(TAG, "NetworkManagement Service");
448                networkManagement = NetworkManagementService.create(context);
449                ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
450            } catch (Throwable e) {
451                reportWtf("starting NetworkManagement Service", e);
452            }
453
454            try {
455                Slog.i(TAG, "Text Service Manager Service");
456                tsms = new TextServicesManagerService(context);
457                ServiceManager.addService(Context.TEXT_SERVICES_MANAGER_SERVICE, tsms);
458            } catch (Throwable e) {
459                reportWtf("starting Text Service Manager Service", e);
460            }
461
462            try {
463                Slog.i(TAG, "NetworkStats Service");
464                networkStats = new NetworkStatsService(context, networkManagement, alarm);
465                ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
466            } catch (Throwable e) {
467                reportWtf("starting NetworkStats Service", e);
468            }
469
470            try {
471                Slog.i(TAG, "NetworkPolicy Service");
472                networkPolicy = new NetworkPolicyManagerService(
473                        context, ActivityManagerService.self(), power,
474                        networkStats, networkManagement);
475                ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);
476            } catch (Throwable e) {
477                reportWtf("starting NetworkPolicy Service", e);
478            }
479
480           try {
481                Slog.i(TAG, "Wi-Fi P2pService");
482                wifiP2p = new WifiP2pService(context);
483                ServiceManager.addService(Context.WIFI_P2P_SERVICE, wifiP2p);
484            } catch (Throwable e) {
485                reportWtf("starting Wi-Fi P2pService", e);
486            }
487
488           try {
489                Slog.i(TAG, "Wi-Fi Service");
490                wifi = new WifiService(context);
491                ServiceManager.addService(Context.WIFI_SERVICE, wifi);
492            } catch (Throwable e) {
493                reportWtf("starting Wi-Fi Service", e);
494            }
495
496            try {
497                Slog.i(TAG, "Connectivity Service");
498                connectivity = new ConnectivityService(
499                        context, networkManagement, networkStats, networkPolicy);
500                ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
501                networkStats.bindConnectivityManager(connectivity);
502                networkPolicy.bindConnectivityManager(connectivity);
503                wifi.checkAndStartWifi();
504                wifiP2p.connectivityServiceReady();
505            } catch (Throwable e) {
506                reportWtf("starting Connectivity Service", e);
507            }
508
509            try {
510                Slog.i(TAG, "Network Service Discovery Service");
511                serviceDiscovery = NsdService.create(context);
512                ServiceManager.addService(
513                        Context.NSD_SERVICE, serviceDiscovery);
514            } catch (Throwable e) {
515                reportWtf("starting Service Discovery Service", e);
516            }
517
518            try {
519                Slog.i(TAG, "UpdateLock Service");
520                ServiceManager.addService(Context.UPDATE_LOCK_SERVICE,
521                        new UpdateLockService(context));
522            } catch (Throwable e) {
523                reportWtf("starting UpdateLockService", e);
524            }
525
526            /*
527             * MountService has a few dependencies: Notification Manager and
528             * AppWidget Provider. Make sure MountService is completely started
529             * first before continuing.
530             */
531            if (mountService != null) {
532                mountService.waitForAsecScan();
533            }
534
535            try {
536                if (accountManager != null)
537                    accountManager.systemReady();
538            } catch (Throwable e) {
539                reportWtf("making Account Manager Service ready", e);
540            }
541
542            try {
543                if (contentService != null)
544                    contentService.systemReady();
545            } catch (Throwable e) {
546                reportWtf("making Content Service ready", e);
547            }
548
549            try {
550                Slog.i(TAG, "Notification Manager");
551                notification = new NotificationManagerService(context, statusBar, lights);
552                ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
553                networkPolicy.bindNotificationManager(notification);
554            } catch (Throwable e) {
555                reportWtf("starting Notification Manager", e);
556            }
557
558            try {
559                Slog.i(TAG, "Device Storage Monitor");
560                ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
561                        new DeviceStorageMonitorService(context));
562            } catch (Throwable e) {
563                reportWtf("starting DeviceStorageMonitor service", e);
564            }
565
566            try {
567                Slog.i(TAG, "Location Manager");
568                location = new LocationManagerService(context);
569                ServiceManager.addService(Context.LOCATION_SERVICE, location);
570            } catch (Throwable e) {
571                reportWtf("starting Location Manager", e);
572            }
573
574            try {
575                Slog.i(TAG, "Country Detector");
576                countryDetector = new CountryDetectorService(context);
577                ServiceManager.addService(Context.COUNTRY_DETECTOR, countryDetector);
578            } catch (Throwable e) {
579                reportWtf("starting Country Detector", e);
580            }
581
582            try {
583                Slog.i(TAG, "Search Service");
584                ServiceManager.addService(Context.SEARCH_SERVICE,
585                        new SearchManagerService(context));
586            } catch (Throwable e) {
587                reportWtf("starting Search Service", e);
588            }
589
590            try {
591                Slog.i(TAG, "DropBox Service");
592                ServiceManager.addService(Context.DROPBOX_SERVICE,
593                        new DropBoxManagerService(context, new File("/data/system/dropbox")));
594            } catch (Throwable e) {
595                reportWtf("starting DropBoxManagerService", e);
596            }
597
598            if (context.getResources().getBoolean(
599                        com.android.internal.R.bool.config_enableWallpaperService)) {
600                try {
601                    Slog.i(TAG, "Wallpaper Service");
602                    if (!headless) {
603                        wallpaper = new WallpaperManagerService(context);
604                        ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
605                    }
606                } catch (Throwable e) {
607                    reportWtf("starting Wallpaper Service", e);
608                }
609            }
610
611            if (!"0".equals(SystemProperties.get("system_init.startaudioservice"))) {
612                try {
613                    Slog.i(TAG, "Audio Service");
614                    ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
615                } catch (Throwable e) {
616                    reportWtf("starting Audio Service", e);
617                }
618            }
619
620            try {
621                Slog.i(TAG, "Dock Observer");
622                // Listen for dock station changes
623                dock = new DockObserver(context);
624            } catch (Throwable e) {
625                reportWtf("starting DockObserver", e);
626            }
627
628            try {
629                Slog.i(TAG, "Wired Accessory Manager");
630                // Listen for wired headset changes
631                inputManager.setWiredAccessoryCallbacks(
632                        new WiredAccessoryManager(context, inputManager));
633            } catch (Throwable e) {
634                reportWtf("starting WiredAccessoryManager", e);
635            }
636
637            try {
638                Slog.i(TAG, "USB Service");
639                // Manage USB host and device support
640                usb = new UsbService(context);
641                ServiceManager.addService(Context.USB_SERVICE, usb);
642            } catch (Throwable e) {
643                reportWtf("starting UsbService", e);
644            }
645
646            try {
647                Slog.i(TAG, "Serial Service");
648                // Serial port support
649                serial = new SerialService(context);
650                ServiceManager.addService(Context.SERIAL_SERVICE, serial);
651            } catch (Throwable e) {
652                Slog.e(TAG, "Failure starting SerialService", e);
653            }
654
655            try {
656                Slog.i(TAG, "Twilight Service");
657                twilight = new TwilightService(context);
658            } catch (Throwable e) {
659                reportWtf("starting TwilightService", e);
660            }
661
662            try {
663                Slog.i(TAG, "UI Mode Manager Service");
664                // Listen for UI mode changes
665                uiMode = new UiModeManagerService(context, twilight);
666            } catch (Throwable e) {
667                reportWtf("starting UiModeManagerService", e);
668            }
669
670            try {
671                Slog.i(TAG, "Backup Service");
672                ServiceManager.addService(Context.BACKUP_SERVICE,
673                        new BackupManagerService(context));
674            } catch (Throwable e) {
675                Slog.e(TAG, "Failure starting Backup Service", e);
676            }
677
678            try {
679                Slog.i(TAG, "AppWidget Service");
680                appWidget = new AppWidgetService(context);
681                ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
682            } catch (Throwable e) {
683                reportWtf("starting AppWidget Service", e);
684            }
685
686            try {
687                Slog.i(TAG, "Recognition Service");
688                recognition = new RecognitionManagerService(context);
689            } catch (Throwable e) {
690                reportWtf("starting Recognition Service", e);
691            }
692
693            try {
694                Slog.i(TAG, "DiskStats Service");
695                ServiceManager.addService("diskstats", new DiskStatsService(context));
696            } catch (Throwable e) {
697                reportWtf("starting DiskStats Service", e);
698            }
699
700            try {
701                // need to add this service even if SamplingProfilerIntegration.isEnabled()
702                // is false, because it is this service that detects system property change and
703                // turns on SamplingProfilerIntegration. Plus, when sampling profiler doesn't work,
704                // there is little overhead for running this service.
705                Slog.i(TAG, "SamplingProfiler Service");
706                ServiceManager.addService("samplingprofiler",
707                            new SamplingProfilerService(context));
708            } catch (Throwable e) {
709                reportWtf("starting SamplingProfiler Service", e);
710            }
711
712            try {
713                Slog.i(TAG, "NetworkTimeUpdateService");
714                networkTimeUpdater = new NetworkTimeUpdateService(context);
715            } catch (Throwable e) {
716                reportWtf("starting NetworkTimeUpdate service", e);
717            }
718
719            try {
720                Slog.i(TAG, "CommonTimeManagementService");
721                commonTimeMgmtService = new CommonTimeManagementService(context);
722                ServiceManager.addService("commontime_management", commonTimeMgmtService);
723            } catch (Throwable e) {
724                reportWtf("starting CommonTimeManagementService service", e);
725            }
726
727            try {
728                Slog.i(TAG, "CertBlacklister");
729                CertBlacklister blacklister = new CertBlacklister(context);
730            } catch (Throwable e) {
731                reportWtf("starting CertBlacklister", e);
732            }
733
734            if (context.getResources().getBoolean(
735                    com.android.internal.R.bool.config_dreamsSupported)) {
736                try {
737                    Slog.i(TAG, "Dreams Service");
738                    // Dreams (interactive idle-time views, a/k/a screen savers)
739                    dreamy = new DreamManagerService(context, wmHandler);
740                    ServiceManager.addService(DreamService.DREAM_SERVICE, dreamy);
741                } catch (Throwable e) {
742                    reportWtf("starting DreamManagerService", e);
743                }
744            }
745
746            try {
747                Slog.i(TAG, "IdleMaintenanceService");
748                new IdleMaintenanceService(context, battery);
749            } catch (Throwable e) {
750                reportWtf("starting IdleMaintenanceService", e);
751            }
752        }
753
754        // Before things start rolling, be sure we have decided whether
755        // we are in safe mode.
756        final boolean safeMode = wm.detectSafeMode();
757        if (safeMode) {
758            ActivityManagerService.self().enterSafeMode();
759            // Post the safe mode state in the Zygote class
760            Zygote.systemInSafeMode = true;
761            // Disable the JIT for the system_server process
762            VMRuntime.getRuntime().disableJitCompilation();
763        } else {
764            // Enable the JIT for the system_server process
765            VMRuntime.getRuntime().startJitCompilation();
766        }
767
768        // It is now time to start up the app processes...
769
770        try {
771            vibrator.systemReady();
772        } catch (Throwable e) {
773            reportWtf("making Vibrator Service ready", e);
774        }
775
776        try {
777            lockSettings.systemReady();
778        } catch (Throwable e) {
779            reportWtf("making Lock Settings Service ready", e);
780        }
781
782        if (devicePolicy != null) {
783            try {
784                devicePolicy.systemReady();
785            } catch (Throwable e) {
786                reportWtf("making Device Policy Service ready", e);
787            }
788        }
789
790        if (notification != null) {
791            try {
792                notification.systemReady();
793            } catch (Throwable e) {
794                reportWtf("making Notification Service ready", e);
795            }
796        }
797
798        try {
799            wm.systemReady();
800        } catch (Throwable e) {
801            reportWtf("making Window Manager Service ready", e);
802        }
803
804        if (safeMode) {
805            ActivityManagerService.self().showSafeModeOverlay();
806        }
807
808        // Update the configuration for this context by hand, because we're going
809        // to start using it before the config change done in wm.systemReady() will
810        // propagate to it.
811        Configuration config = wm.computeNewConfiguration();
812        DisplayMetrics metrics = new DisplayMetrics();
813        WindowManager w = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
814        w.getDefaultDisplay().getMetrics(metrics);
815        context.getResources().updateConfiguration(config, metrics);
816
817        try {
818            power.systemReady(twilight, dreamy);
819        } catch (Throwable e) {
820            reportWtf("making Power Manager Service ready", e);
821        }
822
823        try {
824            pm.systemReady();
825        } catch (Throwable e) {
826            reportWtf("making Package Manager Service ready", e);
827        }
828
829        try {
830            display.systemReady(safeMode, onlyCore);
831        } catch (Throwable e) {
832            reportWtf("making Display Manager Service ready", e);
833        }
834
835        // These are needed to propagate to the runnable below.
836        final Context contextF = context;
837        final MountService mountServiceF = mountService;
838        final BatteryService batteryF = battery;
839        final NetworkManagementService networkManagementF = networkManagement;
840        final NetworkStatsService networkStatsF = networkStats;
841        final NetworkPolicyManagerService networkPolicyF = networkPolicy;
842        final ConnectivityService connectivityF = connectivity;
843        final DockObserver dockF = dock;
844        final UsbService usbF = usb;
845        final TwilightService twilightF = twilight;
846        final UiModeManagerService uiModeF = uiMode;
847        final AppWidgetService appWidgetF = appWidget;
848        final WallpaperManagerService wallpaperF = wallpaper;
849        final InputMethodManagerService immF = imm;
850        final RecognitionManagerService recognitionF = recognition;
851        final LocationManagerService locationF = location;
852        final CountryDetectorService countryDetectorF = countryDetector;
853        final NetworkTimeUpdateService networkTimeUpdaterF = networkTimeUpdater;
854        final CommonTimeManagementService commonTimeMgmtServiceF = commonTimeMgmtService;
855        final TextServicesManagerService textServiceManagerServiceF = tsms;
856        final StatusBarManagerService statusBarF = statusBar;
857        final DreamManagerService dreamyF = dreamy;
858        final InputManagerService inputManagerF = inputManager;
859        final TelephonyRegistry telephonyRegistryF = telephonyRegistry;
860
861        // We now tell the activity manager it is okay to run third party
862        // code.  It will call back into us once it has gotten to the state
863        // where third party code can really run (but before it has actually
864        // started launching the initial applications), for us to complete our
865        // initialization.
866        ActivityManagerService.self().systemReady(new Runnable() {
867            public void run() {
868                Slog.i(TAG, "Making services ready");
869
870                try {
871                    ActivityManagerService.self().startObservingNativeCrashes();
872                } catch (Throwable e) {
873                    reportWtf("observing native crashes", e);
874                }
875                if (!headless) startSystemUi(contextF);
876                try {
877                    if (mountServiceF != null) mountServiceF.systemReady();
878                } catch (Throwable e) {
879                    reportWtf("making Mount Service ready", e);
880                }
881                try {
882                    if (batteryF != null) batteryF.systemReady();
883                } catch (Throwable e) {
884                    reportWtf("making Battery Service ready", e);
885                }
886                try {
887                    if (networkManagementF != null) networkManagementF.systemReady();
888                } catch (Throwable e) {
889                    reportWtf("making Network Managment Service ready", e);
890                }
891                try {
892                    if (networkStatsF != null) networkStatsF.systemReady();
893                } catch (Throwable e) {
894                    reportWtf("making Network Stats Service ready", e);
895                }
896                try {
897                    if (networkPolicyF != null) networkPolicyF.systemReady();
898                } catch (Throwable e) {
899                    reportWtf("making Network Policy Service ready", e);
900                }
901                try {
902                    if (connectivityF != null) connectivityF.systemReady();
903                } catch (Throwable e) {
904                    reportWtf("making Connectivity Service ready", e);
905                }
906                try {
907                    if (dockF != null) dockF.systemReady();
908                } catch (Throwable e) {
909                    reportWtf("making Dock Service ready", e);
910                }
911                try {
912                    if (usbF != null) usbF.systemReady();
913                } catch (Throwable e) {
914                    reportWtf("making USB Service ready", e);
915                }
916                try {
917                    if (twilightF != null) twilightF.systemReady();
918                } catch (Throwable e) {
919                    reportWtf("makin Twilight Service ready", e);
920                }
921                try {
922                    if (uiModeF != null) uiModeF.systemReady();
923                } catch (Throwable e) {
924                    reportWtf("making UI Mode Service ready", e);
925                }
926                try {
927                    if (recognitionF != null) recognitionF.systemReady();
928                } catch (Throwable e) {
929                    reportWtf("making Recognition Service ready", e);
930                }
931                Watchdog.getInstance().start();
932
933                // It is now okay to let the various system services start their
934                // third party code...
935
936                try {
937                    if (appWidgetF != null) appWidgetF.systemReady(safeMode);
938                } catch (Throwable e) {
939                    reportWtf("making App Widget Service ready", e);
940                }
941                try {
942                    if (wallpaperF != null) wallpaperF.systemReady();
943                } catch (Throwable e) {
944                    reportWtf("making Wallpaper Service ready", e);
945                }
946                try {
947                    if (immF != null) immF.systemReady(statusBarF);
948                } catch (Throwable e) {
949                    reportWtf("making Input Method Service ready", e);
950                }
951                try {
952                    if (locationF != null) locationF.systemReady();
953                } catch (Throwable e) {
954                    reportWtf("making Location Service ready", e);
955                }
956                try {
957                    if (countryDetectorF != null) countryDetectorF.systemReady();
958                } catch (Throwable e) {
959                    reportWtf("making Country Detector Service ready", e);
960                }
961                try {
962                    if (networkTimeUpdaterF != null) networkTimeUpdaterF.systemReady();
963                } catch (Throwable e) {
964                    reportWtf("making Network Time Service ready", e);
965                }
966                try {
967                    if (commonTimeMgmtServiceF != null) commonTimeMgmtServiceF.systemReady();
968                } catch (Throwable e) {
969                    reportWtf("making Common time management service ready", e);
970                }
971                try {
972                    if (textServiceManagerServiceF != null) textServiceManagerServiceF.systemReady();
973                } catch (Throwable e) {
974                    reportWtf("making Text Services Manager Service ready", e);
975                }
976                try {
977                    if (dreamyF != null) dreamyF.systemReady();
978                } catch (Throwable e) {
979                    reportWtf("making DreamManagerService ready", e);
980                }
981                try {
982                    // TODO(BT) Pass parameter to input manager
983                    if (inputManagerF != null) inputManagerF.systemReady();
984                } catch (Throwable e) {
985                    reportWtf("making InputManagerService ready", e);
986                }
987                try {
988                    if (telephonyRegistryF != null) telephonyRegistryF.systemReady();
989                } catch (Throwable e) {
990                    reportWtf("making TelephonyRegistry ready", e);
991                }
992            }
993        });
994
995        // For debug builds, log event loop stalls to dropbox for analysis.
996        if (StrictMode.conditionallyEnableDebugLogging()) {
997            Slog.i(TAG, "Enabled StrictMode for system server main thread.");
998        }
999
1000        Looper.loop();
1001        Slog.d(TAG, "System ServerThread is exiting!");
1002    }
1003
1004    static final void startSystemUi(Context context) {
1005        Intent intent = new Intent();
1006        intent.setComponent(new ComponentName("com.android.systemui",
1007                    "com.android.systemui.SystemUIService"));
1008        //Slog.d(TAG, "Starting service: " + intent);
1009        context.startServiceAsUser(intent, UserHandle.OWNER);
1010    }
1011}
1012
1013public class SystemServer {
1014    private static final String TAG = "SystemServer";
1015
1016    public static final int FACTORY_TEST_OFF = 0;
1017    public static final int FACTORY_TEST_LOW_LEVEL = 1;
1018    public static final int FACTORY_TEST_HIGH_LEVEL = 2;
1019
1020    static Timer timer;
1021    static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
1022
1023    // The earliest supported time.  We pick one day into 1970, to
1024    // give any timezone code room without going into negative time.
1025    private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
1026
1027    /**
1028     * This method is called from Zygote to initialize the system. This will cause the native
1029     * services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
1030     * up into init2() to start the Android services.
1031     */
1032    native public static void init1(String[] args);
1033
1034    public static void main(String[] args) {
1035        if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
1036            // If a device's clock is before 1970 (before 0), a lot of
1037            // APIs crash dealing with negative numbers, notably
1038            // java.io.File#setLastModified, so instead we fake it and
1039            // hope that time from cell towers or NTP fixes it
1040            // shortly.
1041            Slog.w(TAG, "System clock is before 1970; setting to 1970.");
1042            SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
1043        }
1044
1045        if (SamplingProfilerIntegration.isEnabled()) {
1046            SamplingProfilerIntegration.start();
1047            timer = new Timer();
1048            timer.schedule(new TimerTask() {
1049                @Override
1050                public void run() {
1051                    SamplingProfilerIntegration.writeSnapshot("system_server", null);
1052                }
1053            }, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
1054        }
1055
1056        // Mmmmmm... more memory!
1057        dalvik.system.VMRuntime.getRuntime().clearGrowthLimit();
1058
1059        // The system server has to run all of the time, so it needs to be
1060        // as efficient as possible with its memory usage.
1061        VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
1062
1063        Environment.setUserRequired(true);
1064
1065        System.loadLibrary("android_servers");
1066        init1(args);
1067    }
1068
1069    public static final void init2() {
1070        Slog.i(TAG, "Entered the Android system server!");
1071        Thread thr = new ServerThread();
1072        thr.setName("android.server.ServerThread");
1073        thr.start();
1074    }
1075}
1076