655 lines
25 KiB
Java
655 lines
25 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server;
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import com.android.server.am.ActivityManagerService;
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import com.android.server.usb.UsbService;
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import com.android.internal.app.ShutdownThread;
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import com.android.internal.atfwd.AtCmdFwdService;
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import com.android.internal.os.BinderInternal;
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import com.android.internal.os.SamplingProfilerIntegration;
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import dalvik.system.VMRuntime;
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import dalvik.system.Zygote;
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import android.app.ActivityManagerNative;
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import android.bluetooth.BluetoothAdapter;
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import android.content.ComponentName;
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import android.content.ContentResolver;
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import android.content.ContentService;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.IPackageManager;
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import android.database.ContentObserver;
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import android.database.Cursor;
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import android.media.AudioService;
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import android.os.Looper;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.StrictMode;
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import android.os.SystemClock;
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import android.os.SystemProperties;
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import android.provider.Contacts.People;
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import android.provider.Settings;
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import android.server.BluetoothA2dpService;
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import android.server.BluetoothService;
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import android.server.search.SearchManagerService;
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import android.util.EventLog;
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import android.util.Log;
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import android.util.Slog;
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import android.accounts.AccountManagerService;
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import java.io.File;
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import java.util.Timer;
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import java.util.TimerTask;
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class ServerThread extends Thread {
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private static final String TAG = "SystemServer";
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private final static boolean INCLUDE_DEMO = false;
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private static final int LOG_BOOT_PROGRESS_SYSTEM_RUN = 3010;
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private ContentResolver mContentResolver;
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private class AdbSettingsObserver extends ContentObserver {
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public AdbSettingsObserver() {
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super(null);
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}
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@Override
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public void onChange(boolean selfChange) {
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boolean enableAdb = (Settings.Secure.getInt(mContentResolver,
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Settings.Secure.ADB_ENABLED, 0) > 0);
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// setting this secure property will start or stop adbd
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SystemProperties.set("persist.service.adb.enable", enableAdb ? "1" : "0");
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}
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}
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@Override
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public void run() {
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EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_SYSTEM_RUN,
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SystemClock.uptimeMillis());
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Looper.prepare();
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android.os.Process.setThreadPriority(
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android.os.Process.THREAD_PRIORITY_FOREGROUND);
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BinderInternal.disableBackgroundScheduling(true);
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android.os.Process.setCanSelfBackground(false);
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// Check whether we failed to shut down last time we tried.
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{
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final String shutdownAction = SystemProperties.get(
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ShutdownThread.SHUTDOWN_ACTION_PROPERTY, "");
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if (shutdownAction != null && shutdownAction.length() > 0) {
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boolean reboot = (shutdownAction.charAt(0) == '1');
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final String reason;
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if (shutdownAction.length() > 1) {
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reason = shutdownAction.substring(1, shutdownAction.length());
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} else {
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reason = null;
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}
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ShutdownThread.rebootOrShutdown(reboot, reason);
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}
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}
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String factoryTestStr = SystemProperties.get("ro.factorytest");
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int factoryTest = "".equals(factoryTestStr) ? SystemServer.FACTORY_TEST_OFF
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: Integer.parseInt(factoryTestStr);
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LightsService lights = null;
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PowerManagerService power = null;
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DynamicMemoryManagerService dmm = null;
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BatteryService battery = null;
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ConnectivityService connectivity = null;
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IPackageManager pm = null;
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Context context = null;
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WindowManagerService wm = null;
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BluetoothService bluetooth = null;
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BluetoothA2dpService bluetoothA2dp = null;
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HeadsetObserver headset = null;
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DockObserver dock = null;
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UsbService usb = null;
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UiModeManagerService uiMode = null;
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RecognitionManagerService recognition = null;
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ThrottleService throttle = null;
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// Critical services...
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try {
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Slog.i(TAG, "Entropy Service");
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ServiceManager.addService("entropy", new EntropyService());
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Slog.i(TAG, "Power Manager");
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power = new PowerManagerService();
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ServiceManager.addService(Context.POWER_SERVICE, power);
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Slog.i(TAG, "Activity Manager");
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context = ActivityManagerService.main(factoryTest);
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Slog.i(TAG, "Telephony Registry");
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ServiceManager.addService("telephony.registry", new TelephonyRegistry(context));
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AttributeCache.init(context);
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Slog.i(TAG, "Package Manager");
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pm = PackageManagerService.main(context,
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factoryTest != SystemServer.FACTORY_TEST_OFF);
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ActivityManagerService.setSystemProcess();
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mContentResolver = context.getContentResolver();
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// The AccountManager must come before the ContentService
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try {
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Slog.i(TAG, "Account Manager");
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ServiceManager.addService(Context.ACCOUNT_SERVICE,
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new AccountManagerService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Account Manager", e);
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}
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Slog.i(TAG, "Content Manager");
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ContentService.main(context,
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factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL);
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Slog.i(TAG, "System Content Providers");
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ActivityManagerService.installSystemProviders();
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Slog.i(TAG, "Battery Service");
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battery = new BatteryService(context);
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ServiceManager.addService("battery", battery);
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Slog.i(TAG, "Lights Service");
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lights = new LightsService(context);
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Slog.i(TAG, "Vibrator Service");
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ServiceManager.addService("vibrator", new VibratorService(context));
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// only initialize the power service after we have started the
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// lights service, content providers and the battery service.
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power.init(context, lights, ActivityManagerService.getDefault(), battery);
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Slog.i(TAG, "Alarm Manager");
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AlarmManagerService alarm = new AlarmManagerService(context);
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ServiceManager.addService(Context.ALARM_SERVICE, alarm);
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Slog.i(TAG, "Init Watchdog");
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Watchdog.getInstance().init(context, battery, power, alarm,
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ActivityManagerService.self());
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Slog.i(TAG, "Window Manager");
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wm = WindowManagerService.main(context, power,
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factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL);
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ServiceManager.addService(Context.WINDOW_SERVICE, wm);
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((ActivityManagerService)ServiceManager.getService("activity"))
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.setWindowManager(wm);
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// Skip Bluetooth if we have an emulator kernel
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// TODO: Use a more reliable check to see if this product should
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// support Bluetooth - see bug 988521
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if (SystemProperties.get("ro.kernel.qemu").equals("1")) {
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Slog.i(TAG, "Registering null Bluetooth Service (emulator)");
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ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
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} else if (factoryTest == SystemServer.FACTORY_TEST_LOW_LEVEL) {
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Slog.i(TAG, "Registering null Bluetooth Service (factory test)");
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ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, null);
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} else {
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Slog.i(TAG, "Bluetooth Service");
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bluetooth = new BluetoothService(context);
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ServiceManager.addService(BluetoothAdapter.BLUETOOTH_SERVICE, bluetooth);
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bluetooth.initAfterRegistration();
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bluetoothA2dp = new BluetoothA2dpService(context, bluetooth);
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ServiceManager.addService(BluetoothA2dpService.BLUETOOTH_A2DP_SERVICE,
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bluetoothA2dp);
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int bluetoothOn = Settings.Secure.getInt(mContentResolver,
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Settings.Secure.BLUETOOTH_ON, 0);
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if (bluetoothOn > 0) {
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bluetooth.enable();
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}
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}
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Slog.i(TAG, "DynamicMemoryManager Service");
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dmm = new DynamicMemoryManagerService(context);
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} catch (RuntimeException e) {
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Slog.e("System", "Failure starting core service", e);
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}
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DevicePolicyManagerService devicePolicy = null;
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StatusBarManagerService statusBar = null;
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InputMethodManagerService imm = null;
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AppWidgetService appWidget = null;
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NotificationManagerService notification = null;
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WallpaperManagerService wallpaper = null;
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LocationManagerService location = null;
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if (factoryTest != SystemServer.FACTORY_TEST_LOW_LEVEL) {
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try {
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Slog.i(TAG, "Device Policy");
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devicePolicy = new DevicePolicyManagerService(context);
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ServiceManager.addService(Context.DEVICE_POLICY_SERVICE, devicePolicy);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting DevicePolicyService", e);
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}
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try {
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Slog.i(TAG, "Status Bar");
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statusBar = new StatusBarManagerService(context);
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ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting StatusBarManagerService", e);
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}
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try {
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Slog.i(TAG, "Clipboard Service");
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ServiceManager.addService(Context.CLIPBOARD_SERVICE,
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new ClipboardService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Clipboard Service", e);
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}
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try {
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Slog.i(TAG, "Input Method Service");
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imm = new InputMethodManagerService(context, statusBar);
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ServiceManager.addService(Context.INPUT_METHOD_SERVICE, imm);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Input Manager Service", e);
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}
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try {
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Slog.i(TAG, "NetStat Service");
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ServiceManager.addService("netstat", new NetStatService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting NetStat Service", e);
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}
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try {
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Slog.i(TAG, "NetworkManagement Service");
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ServiceManager.addService(
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Context.NETWORKMANAGEMENT_SERVICE,
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NetworkManagementService.create(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting NetworkManagement Service", e);
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}
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try {
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Slog.i(TAG, "Connectivity Service");
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connectivity = ConnectivityService.getInstance(context);
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ServiceManager.addService(Context.CONNECTIVITY_SERVICE, connectivity);
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connectivity.startCne();
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Connectivity Service", e);
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}
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try {
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Slog.i(TAG, "Throttle Service");
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throttle = new ThrottleService(context);
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ServiceManager.addService(
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Context.THROTTLE_SERVICE, throttle);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting ThrottleService", e);
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}
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try {
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Slog.i(TAG, "Accessibility Manager");
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ServiceManager.addService(Context.ACCESSIBILITY_SERVICE,
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new AccessibilityManagerService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Accessibility Manager", e);
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}
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try {
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/*
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* NotificationManagerService is dependant on MountService,
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* (for media / usb notifications) so we must start MountService first.
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*/
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Slog.i(TAG, "Mount Service");
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ServiceManager.addService("mount", new MountService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Mount Service", e);
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}
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try {
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Slog.i(TAG, "Notification Manager");
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notification = new NotificationManagerService(context, statusBar, lights);
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ServiceManager.addService(Context.NOTIFICATION_SERVICE, notification);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Notification Manager", e);
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}
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try {
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Slog.i(TAG, "HDMI Service");
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ServiceManager.addService("hdmi", new HDMIService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting HDMI Service ", e);
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}
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try {
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Slog.i(TAG, "Device Storage Monitor");
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ServiceManager.addService(DeviceStorageMonitorService.SERVICE,
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new DeviceStorageMonitorService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting DeviceStorageMonitor service", e);
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}
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try {
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Slog.i(TAG, "Location Manager");
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location = new LocationManagerService(context);
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ServiceManager.addService(Context.LOCATION_SERVICE, location);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Location Manager", e);
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}
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try {
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Slog.i(TAG, "Search Service");
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ServiceManager.addService(Context.SEARCH_SERVICE,
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new SearchManagerService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Search Service", e);
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}
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if (INCLUDE_DEMO) {
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Slog.i(TAG, "Installing demo data...");
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(new DemoThread(context)).start();
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}
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try {
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Slog.i(TAG, "DropBox Service");
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ServiceManager.addService(Context.DROPBOX_SERVICE,
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new DropBoxManagerService(context, new File("/data/system/dropbox")));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting DropBoxManagerService", e);
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}
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try {
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Slog.i(TAG, "Wallpaper Service");
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wallpaper = new WallpaperManagerService(context);
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ServiceManager.addService(Context.WALLPAPER_SERVICE, wallpaper);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Wallpaper Service", e);
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}
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try {
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Slog.i(TAG, "Audio Service");
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ServiceManager.addService(Context.AUDIO_SERVICE, new AudioService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Audio Service", e);
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}
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try {
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Slog.i(TAG, "Headset Observer");
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// Listen for wired headset changes
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headset = new HeadsetObserver(context);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting HeadsetObserver", e);
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}
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try {
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Slog.i(TAG, "Dock Observer");
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// Listen for dock station changes
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dock = new DockObserver(context, power);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting DockObserver", e);
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}
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try {
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Slog.i(TAG, "USB Service");
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// Listen for USB changes
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usb = new UsbService(context);
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ServiceManager.addService(Context.USB_SERVICE, usb);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting UsbService", e);
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}
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try {
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Slog.i(TAG, "UI Mode Manager Service");
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// Listen for UI mode changes
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uiMode = new UiModeManagerService(context);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting UiModeManagerService", e);
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}
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try {
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Slog.i(TAG, "Backup Service");
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ServiceManager.addService(Context.BACKUP_SERVICE,
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new BackupManagerService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Backup Service", e);
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}
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try {
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Slog.i(TAG, "AppWidget Service");
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appWidget = new AppWidgetService(context);
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ServiceManager.addService(Context.APPWIDGET_SERVICE, appWidget);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting AppWidget Service", e);
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}
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try {
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Slog.i(TAG, "Recognition Service");
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recognition = new RecognitionManagerService(context);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting Recognition Service", e);
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}
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try {
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Slog.i(TAG, "DiskStats Service");
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ServiceManager.addService("diskstats", new DiskStatsService(context));
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting DiskStats Service", e);
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}
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try {
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Slog.i(TAG, "AtCmdFwd Service");
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AtCmdFwdService atfwd = new AtCmdFwdService(context);
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ServiceManager.addService("AtCmdFwd", atfwd);
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} catch (Throwable e) {
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Slog.e(TAG, "Failure starting AtCmdFwd Service", e);
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}
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}
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// make sure the ADB_ENABLED setting value matches the secure property value
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Settings.Secure.putInt(mContentResolver, Settings.Secure.ADB_ENABLED,
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"1".equals(SystemProperties.get("persist.service.adb.enable")) ? 1 : 0);
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// register observer to listen for settings changes
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mContentResolver.registerContentObserver(Settings.Secure.getUriFor(Settings.Secure.ADB_ENABLED),
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false, new AdbSettingsObserver());
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// Before things start rolling, be sure we have decided whether
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// we are in safe mode.
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final boolean safeMode = wm.detectSafeMode();
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if (safeMode) {
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try {
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ActivityManagerNative.getDefault().enterSafeMode();
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// Post the safe mode state in the Zygote class
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Zygote.systemInSafeMode = true;
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// Disable the JIT for the system_server process
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VMRuntime.getRuntime().disableJitCompilation();
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} catch (RemoteException e) {
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}
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} else {
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// Enable the JIT for the system_server process
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VMRuntime.getRuntime().startJitCompilation();
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}
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// It is now time to start up the app processes...
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if (devicePolicy != null) {
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devicePolicy.systemReady();
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}
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if (notification != null) {
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notification.systemReady();
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}
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if (statusBar != null) {
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statusBar.systemReady();
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}
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wm.systemReady();
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power.systemReady();
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try {
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pm.systemReady();
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} catch (RemoteException e) {
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}
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// These are needed to propagate to the runnable below.
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final StatusBarManagerService statusBarF = statusBar;
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final BatteryService batteryF = battery;
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final ConnectivityService connectivityF = connectivity;
|
|
final DockObserver dockF = dock;
|
|
final UsbService usbF = usb;
|
|
final ThrottleService throttleF = throttle;
|
|
final UiModeManagerService uiModeF = uiMode;
|
|
final AppWidgetService appWidgetF = appWidget;
|
|
final WallpaperManagerService wallpaperF = wallpaper;
|
|
final InputMethodManagerService immF = imm;
|
|
final RecognitionManagerService recognitionF = recognition;
|
|
final LocationManagerService locationF = location;
|
|
|
|
// We now tell the activity manager it is okay to run third party
|
|
// code. It will call back into us once it has gotten to the state
|
|
// where third party code can really run (but before it has actually
|
|
// started launching the initial applications), for us to complete our
|
|
// initialization.
|
|
((ActivityManagerService)ActivityManagerNative.getDefault())
|
|
.systemReady(new Runnable() {
|
|
public void run() {
|
|
Slog.i(TAG, "Making services ready");
|
|
|
|
if (statusBarF != null) statusBarF.systemReady2();
|
|
if (batteryF != null) batteryF.systemReady();
|
|
if (connectivityF != null) connectivityF.systemReady();
|
|
if (dockF != null) dockF.systemReady();
|
|
if (usbF != null) usbF.systemReady();
|
|
if (uiModeF != null) uiModeF.systemReady();
|
|
if (recognitionF != null) recognitionF.systemReady();
|
|
Watchdog.getInstance().start();
|
|
|
|
// It is now okay to let the various system services start their
|
|
// third party code...
|
|
|
|
if (appWidgetF != null) appWidgetF.systemReady(safeMode);
|
|
if (wallpaperF != null) wallpaperF.systemReady();
|
|
if (immF != null) immF.systemReady();
|
|
if (locationF != null) locationF.systemReady();
|
|
if (throttleF != null) throttleF.systemReady();
|
|
}
|
|
});
|
|
|
|
// For debug builds, log event loop stalls to dropbox for analysis.
|
|
if (StrictMode.conditionallyEnableDebugLogging()) {
|
|
Slog.i(TAG, "Enabled StrictMode for system server main thread.");
|
|
}
|
|
|
|
Looper.loop();
|
|
Slog.d(TAG, "System ServerThread is exiting!");
|
|
}
|
|
}
|
|
|
|
class DemoThread extends Thread
|
|
{
|
|
DemoThread(Context context)
|
|
{
|
|
mContext = context;
|
|
}
|
|
|
|
@Override
|
|
public void run()
|
|
{
|
|
try {
|
|
Cursor c = mContext.getContentResolver().query(People.CONTENT_URI, null, null, null, null);
|
|
boolean hasData = c != null && c.moveToFirst();
|
|
if (c != null) {
|
|
c.deactivate();
|
|
}
|
|
if (!hasData) {
|
|
DemoDataSet dataset = new DemoDataSet();
|
|
dataset.add(mContext);
|
|
}
|
|
} catch (Throwable e) {
|
|
Slog.e("SystemServer", "Failure installing demo data", e);
|
|
}
|
|
|
|
}
|
|
|
|
Context mContext;
|
|
}
|
|
|
|
public class SystemServer
|
|
{
|
|
private static final String TAG = "SystemServer";
|
|
|
|
public static final int FACTORY_TEST_OFF = 0;
|
|
public static final int FACTORY_TEST_LOW_LEVEL = 1;
|
|
public static final int FACTORY_TEST_HIGH_LEVEL = 2;
|
|
|
|
static Timer timer;
|
|
static final long SNAPSHOT_INTERVAL = 60 * 60 * 1000; // 1hr
|
|
|
|
// The earliest supported time. We pick one day into 1970, to
|
|
// give any timezone code room without going into negative time.
|
|
private static final long EARLIEST_SUPPORTED_TIME = 86400 * 1000;
|
|
|
|
/**
|
|
* This method is called from Zygote to initialize the system. This will cause the native
|
|
* services (SurfaceFlinger, AudioFlinger, etc..) to be started. After that it will call back
|
|
* up into init2() to start the Android services.
|
|
*/
|
|
native public static void init1(String[] args);
|
|
|
|
public static void main(String[] args) {
|
|
if (System.currentTimeMillis() < EARLIEST_SUPPORTED_TIME) {
|
|
// If a device's clock is before 1970 (before 0), a lot of
|
|
// APIs crash dealing with negative numbers, notably
|
|
// java.io.File#setLastModified, so instead we fake it and
|
|
// hope that time from cell towers or NTP fixes it
|
|
// shortly.
|
|
Slog.w(TAG, "System clock is before 1970; setting to 1970.");
|
|
SystemClock.setCurrentTimeMillis(EARLIEST_SUPPORTED_TIME);
|
|
}
|
|
|
|
if (SamplingProfilerIntegration.isEnabled()) {
|
|
SamplingProfilerIntegration.start();
|
|
timer = new Timer();
|
|
timer.schedule(new TimerTask() {
|
|
@Override
|
|
public void run() {
|
|
SamplingProfilerIntegration.writeSnapshot("system_server");
|
|
}
|
|
}, SNAPSHOT_INTERVAL, SNAPSHOT_INTERVAL);
|
|
}
|
|
|
|
// The system server has to run all of the time, so it needs to be
|
|
// as efficient as possible with its memory usage.
|
|
VMRuntime.getRuntime().setTargetHeapUtilization(0.8f);
|
|
|
|
System.loadLibrary("android_servers");
|
|
init1(args);
|
|
}
|
|
|
|
public static final void init2() {
|
|
Slog.i(TAG, "Entered the Android system server!");
|
|
Thread thr = new ServerThread();
|
|
thr.setName("android.server.ServerThread");
|
|
thr.start();
|
|
}
|
|
}
|