| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| package com.android.server.power; |
| |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.app.IActivityManager; |
| import android.app.ProgressDialog; |
| import android.app.admin.SecurityLog; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.media.AudioAttributes; |
| import android.os.FileUtils; |
| import android.os.Handler; |
| import android.os.PowerManager; |
| import android.os.RecoverySystem; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.SystemVibrator; |
| import android.os.Trace; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.Vibrator; |
| import android.telephony.TelephonyManager; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.TimingsTraceLog; |
| import android.view.WindowManager; |
| |
| import com.android.server.LocalServices; |
| import com.android.server.RescueParty; |
| import com.android.server.pm.PackageManagerService; |
| import com.android.server.statusbar.StatusBarManagerInternal; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| |
| public final class ShutdownThread extends Thread { |
| // constants |
| private static final String TAG = "ShutdownThread"; |
| private static final int ACTION_DONE_POLL_WAIT_MS = 500; |
| private static final int RADIOS_STATE_POLL_SLEEP_MS = 100; |
| // maximum time we wait for the shutdown broadcast before going on. |
| private static final int MAX_BROADCAST_TIME = 10 * 1000; |
| private static final int MAX_CHECK_POINTS_DUMP_WAIT_TIME = 10 * 1000; |
| private static final int MAX_RADIO_WAIT_TIME = 12 * 1000; |
| private static final int MAX_UNCRYPT_WAIT_TIME = 15 * 60 * 1000; |
| // constants for progress bar. the values are roughly estimated based on timeout. |
| private static final int BROADCAST_STOP_PERCENT = 2; |
| private static final int ACTIVITY_MANAGER_STOP_PERCENT = 4; |
| private static final int PACKAGE_MANAGER_STOP_PERCENT = 6; |
| private static final int RADIO_STOP_PERCENT = 18; |
| private static final int MOUNT_SERVICE_STOP_PERCENT = 20; |
| |
| // length of vibration before shutting down |
| private static final int SHUTDOWN_VIBRATE_MS = 500; |
| |
| // state tracking |
| private static final Object sIsStartedGuard = new Object(); |
| private static boolean sIsStarted = false; |
| |
| private static boolean mReboot; |
| private static boolean mRebootSafeMode; |
| private static boolean mRebootHasProgressBar; |
| private static String mReason; |
| |
| // Provides shutdown assurance in case the system_server is killed |
| public static final String SHUTDOWN_ACTION_PROPERTY = "sys.shutdown.requested"; |
| |
| // Indicates whether we are rebooting into safe mode |
| public static final String REBOOT_SAFEMODE_PROPERTY = "persist.sys.safemode"; |
| public static final String RO_SAFEMODE_PROPERTY = "ro.sys.safemode"; |
| |
| // static instance of this thread |
| private static final ShutdownThread sInstance = new ShutdownThread(); |
| |
| private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder() |
| .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) |
| .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION) |
| .build(); |
| |
| // Metrics that will be reported to tron after reboot |
| private static final ArrayMap<String, Long> TRON_METRICS = new ArrayMap<>(); |
| |
| // File to use for saving shutdown metrics |
| private static final String METRICS_FILE_BASENAME = "/data/system/shutdown-metrics"; |
| // File to use for saving shutdown check points |
| private static final String CHECK_POINTS_FILE_BASENAME = |
| "/data/system/shutdown-checkpoints/checkpoints"; |
| |
| // Metrics names to be persisted in shutdown-metrics file |
| private static String METRIC_SYSTEM_SERVER = "shutdown_system_server"; |
| private static String METRIC_SEND_BROADCAST = "shutdown_send_shutdown_broadcast"; |
| private static String METRIC_AM = "shutdown_activity_manager"; |
| private static String METRIC_PM = "shutdown_package_manager"; |
| private static String METRIC_RADIOS = "shutdown_radios"; |
| private static String METRIC_RADIO = "shutdown_radio"; |
| private static String METRIC_SHUTDOWN_TIME_START = "begin_shutdown"; |
| |
| private final Object mActionDoneSync = new Object(); |
| private boolean mActionDone; |
| private Context mContext; |
| private PowerManager mPowerManager; |
| private PowerManager.WakeLock mCpuWakeLock; |
| private PowerManager.WakeLock mScreenWakeLock; |
| private Handler mHandler; |
| |
| private static AlertDialog sConfirmDialog; |
| private ProgressDialog mProgressDialog; |
| |
| private ShutdownThread() { |
| } |
| |
| /** |
| * Request a clean shutdown, waiting for subsystems to clean up their |
| * state etc. Must be called from a Looper thread in which its UI |
| * is shown. |
| * |
| * @param context Context used to display the shutdown progress dialog. This must be a context |
| * suitable for displaying UI (aka Themable). |
| * @param reason code to pass to android_reboot() (e.g. "userrequested"), or null. |
| * @param confirm true if user confirmation is needed before shutting down. |
| */ |
| public static void shutdown(final Context context, String reason, boolean confirm) { |
| mReboot = false; |
| mRebootSafeMode = false; |
| mReason = reason; |
| shutdownInner(context, confirm); |
| } |
| |
| private static void shutdownInner(final Context context, boolean confirm) { |
| // ShutdownThread is called from many places, so best to verify here that the context passed |
| // in is themed. |
| context.assertRuntimeOverlayThemable(); |
| |
| // ensure that only one thread is trying to power down. |
| // any additional calls are just returned |
| synchronized (sIsStartedGuard) { |
| if (sIsStarted) { |
| Log.d(TAG, "Request to shutdown already running, returning."); |
| return; |
| } |
| } |
| |
| // Add checkpoint for this shutdown attempt. The user might still cancel the dialog, but |
| // this point preserves the system trace of the trigger point of the ShutdownThread. |
| ShutdownCheckPoints.recordCheckPoint(/* reason= */ null); |
| |
| final int longPressBehavior = context.getResources().getInteger( |
| com.android.internal.R.integer.config_longPressOnPowerBehavior); |
| final int resourceId = mRebootSafeMode |
| ? com.android.internal.R.string.reboot_safemode_confirm |
| : (longPressBehavior == 2 |
| ? com.android.internal.R.string.shutdown_confirm_question |
| : com.android.internal.R.string.shutdown_confirm); |
| |
| Log.d(TAG, "Notifying thread to start shutdown longPressBehavior=" + longPressBehavior); |
| |
| if (confirm) { |
| final CloseDialogReceiver closer = new CloseDialogReceiver(context); |
| if (sConfirmDialog != null) { |
| sConfirmDialog.dismiss(); |
| } |
| sConfirmDialog = new AlertDialog.Builder(context) |
| .setTitle(mRebootSafeMode |
| ? com.android.internal.R.string.reboot_safemode_title |
| : com.android.internal.R.string.power_off) |
| .setMessage(resourceId) |
| .setPositiveButton(com.android.internal.R.string.yes, new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, int which) { |
| beginShutdownSequence(context); |
| } |
| }) |
| .setNegativeButton(com.android.internal.R.string.no, null) |
| .create(); |
| closer.dialog = sConfirmDialog; |
| sConfirmDialog.setOnDismissListener(closer); |
| sConfirmDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| sConfirmDialog.show(); |
| } else { |
| beginShutdownSequence(context); |
| } |
| } |
| |
| private static class CloseDialogReceiver extends BroadcastReceiver |
| implements DialogInterface.OnDismissListener { |
| private Context mContext; |
| public Dialog dialog; |
| |
| CloseDialogReceiver(Context context) { |
| mContext = context; |
| IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS); |
| context.registerReceiver(this, filter); |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| dialog.cancel(); |
| } |
| |
| public void onDismiss(DialogInterface unused) { |
| mContext.unregisterReceiver(this); |
| } |
| } |
| |
| /** |
| * Request a clean shutdown, waiting for subsystems to clean up their |
| * state etc. Must be called from a Looper thread in which its UI |
| * is shown. |
| * |
| * @param context Context used to display the shutdown progress dialog. This must be a context |
| * suitable for displaying UI (aka Themable). |
| * @param reason code to pass to the kernel (e.g. "recovery"), or null. |
| * @param confirm true if user confirmation is needed before shutting down. |
| */ |
| public static void reboot(final Context context, String reason, boolean confirm) { |
| mReboot = true; |
| mRebootSafeMode = false; |
| mRebootHasProgressBar = false; |
| mReason = reason; |
| shutdownInner(context, confirm); |
| } |
| |
| /** |
| * Request a reboot into safe mode. Must be called from a Looper thread in which its UI |
| * is shown. |
| * |
| * @param context Context used to display the shutdown progress dialog. This must be a context |
| * suitable for displaying UI (aka Themable). |
| * @param confirm true if user confirmation is needed before shutting down. |
| */ |
| public static void rebootSafeMode(final Context context, boolean confirm) { |
| UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE); |
| if (um.hasUserRestriction(UserManager.DISALLOW_SAFE_BOOT)) { |
| return; |
| } |
| |
| mReboot = true; |
| mRebootSafeMode = true; |
| mRebootHasProgressBar = false; |
| mReason = null; |
| shutdownInner(context, confirm); |
| } |
| |
| private static ProgressDialog showShutdownDialog(Context context) { |
| // Throw up a system dialog to indicate the device is rebooting / shutting down. |
| ProgressDialog pd = new ProgressDialog(context); |
| |
| // Path 1: Reboot to recovery for update |
| // Condition: mReason startswith REBOOT_RECOVERY_UPDATE |
| // |
| // Path 1a: uncrypt needed |
| // Condition: if /cache/recovery/uncrypt_file exists but |
| // /cache/recovery/block.map doesn't. |
| // UI: determinate progress bar (mRebootHasProgressBar == True) |
| // |
| // * Path 1a is expected to be removed once the GmsCore shipped on |
| // device always calls uncrypt prior to reboot. |
| // |
| // Path 1b: uncrypt already done |
| // UI: spinning circle only (no progress bar) |
| // |
| // Path 2: Reboot to recovery for factory reset |
| // Condition: mReason == REBOOT_RECOVERY |
| // UI: spinning circle only (no progress bar) |
| // |
| // Path 3: Regular reboot / shutdown |
| // Condition: Otherwise |
| // UI: spinning circle only (no progress bar) |
| |
| // mReason could be "recovery-update" or "recovery-update,quiescent". |
| if (mReason != null && mReason.startsWith(PowerManager.REBOOT_RECOVERY_UPDATE)) { |
| // We need the progress bar if uncrypt will be invoked during the |
| // reboot, which might be time-consuming. |
| mRebootHasProgressBar = RecoverySystem.UNCRYPT_PACKAGE_FILE.exists() |
| && !(RecoverySystem.BLOCK_MAP_FILE.exists()); |
| pd.setTitle(context.getText(com.android.internal.R.string.reboot_to_update_title)); |
| if (mRebootHasProgressBar) { |
| pd.setMax(100); |
| pd.setProgress(0); |
| pd.setIndeterminate(false); |
| pd.setProgressNumberFormat(null); |
| pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); |
| pd.setMessage(context.getText( |
| com.android.internal.R.string.reboot_to_update_prepare)); |
| } else { |
| if (showSysuiReboot()) { |
| return null; |
| } |
| pd.setIndeterminate(true); |
| pd.setMessage(context.getText( |
| com.android.internal.R.string.reboot_to_update_reboot)); |
| } |
| } else if (mReason != null && mReason.equals(PowerManager.REBOOT_RECOVERY)) { |
| if (showSysuiReboot()) { |
| return null; |
| } else if (RescueParty.isAttemptingFactoryReset()) { |
| // We're not actually doing a factory reset yet; we're rebooting |
| // to ask the user if they'd like to reset, so give them a less |
| // scary dialog message. |
| pd.setTitle(context.getText(com.android.internal.R.string.power_off)); |
| pd.setMessage(context.getText(com.android.internal.R.string.shutdown_progress)); |
| pd.setIndeterminate(true); |
| } else { |
| // Factory reset path. Set the dialog message accordingly. |
| pd.setTitle(context.getText(com.android.internal.R.string.reboot_to_reset_title)); |
| pd.setMessage(context.getText( |
| com.android.internal.R.string.reboot_to_reset_message)); |
| pd.setIndeterminate(true); |
| } |
| } else { |
| if (showSysuiReboot()) { |
| return null; |
| } |
| pd.setTitle(context.getText(com.android.internal.R.string.power_off)); |
| pd.setMessage(context.getText(com.android.internal.R.string.shutdown_progress)); |
| pd.setIndeterminate(true); |
| } |
| pd.setCancelable(false); |
| pd.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); |
| |
| pd.show(); |
| return pd; |
| } |
| |
| private static boolean showSysuiReboot() { |
| Log.d(TAG, "Attempting to use SysUI shutdown UI"); |
| try { |
| StatusBarManagerInternal service = LocalServices.getService( |
| StatusBarManagerInternal.class); |
| if (service.showShutdownUi(mReboot, mReason)) { |
| // Sysui will handle shutdown UI. |
| Log.d(TAG, "SysUI handling shutdown UI"); |
| return true; |
| } |
| } catch (Exception e) { |
| // If anything went wrong, ignore it and use fallback ui |
| } |
| Log.d(TAG, "SysUI is unavailable"); |
| return false; |
| } |
| |
| private static void beginShutdownSequence(Context context) { |
| synchronized (sIsStartedGuard) { |
| if (sIsStarted) { |
| Log.d(TAG, "Shutdown sequence already running, returning."); |
| return; |
| } |
| sIsStarted = true; |
| } |
| |
| sInstance.mProgressDialog = showShutdownDialog(context); |
| sInstance.mContext = context; |
| sInstance.mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE); |
| |
| // make sure we never fall asleep again |
| sInstance.mCpuWakeLock = null; |
| try { |
| sInstance.mCpuWakeLock = sInstance.mPowerManager.newWakeLock( |
| PowerManager.PARTIAL_WAKE_LOCK, TAG + "-cpu"); |
| sInstance.mCpuWakeLock.setReferenceCounted(false); |
| sInstance.mCpuWakeLock.acquire(); |
| } catch (SecurityException e) { |
| Log.w(TAG, "No permission to acquire wake lock", e); |
| sInstance.mCpuWakeLock = null; |
| } |
| |
| // also make sure the screen stays on for better user experience |
| sInstance.mScreenWakeLock = null; |
| if (sInstance.mPowerManager.isScreenOn()) { |
| try { |
| sInstance.mScreenWakeLock = sInstance.mPowerManager.newWakeLock( |
| PowerManager.FULL_WAKE_LOCK, TAG + "-screen"); |
| sInstance.mScreenWakeLock.setReferenceCounted(false); |
| sInstance.mScreenWakeLock.acquire(); |
| } catch (SecurityException e) { |
| Log.w(TAG, "No permission to acquire wake lock", e); |
| sInstance.mScreenWakeLock = null; |
| } |
| } |
| |
| if (SecurityLog.isLoggingEnabled()) { |
| SecurityLog.writeEvent(SecurityLog.TAG_OS_SHUTDOWN); |
| } |
| |
| // start the thread that initiates shutdown |
| sInstance.mHandler = new Handler() { |
| }; |
| sInstance.start(); |
| } |
| |
| void actionDone() { |
| synchronized (mActionDoneSync) { |
| mActionDone = true; |
| mActionDoneSync.notifyAll(); |
| } |
| } |
| |
| /** |
| * Makes sure we handle the shutdown gracefully. |
| * Shuts off power regardless of radio state if the allotted time has passed. |
| */ |
| public void run() { |
| TimingsTraceLog shutdownTimingLog = newTimingsLog(); |
| shutdownTimingLog.traceBegin("SystemServerShutdown"); |
| metricShutdownStart(); |
| metricStarted(METRIC_SYSTEM_SERVER); |
| |
| // Start dumping check points for this shutdown in a separate thread. |
| Thread dumpCheckPointsThread = ShutdownCheckPoints.newDumpThread( |
| new File(CHECK_POINTS_FILE_BASENAME)); |
| dumpCheckPointsThread.start(); |
| |
| BroadcastReceiver br = new BroadcastReceiver() { |
| @Override public void onReceive(Context context, Intent intent) { |
| // We don't allow apps to cancel this, so ignore the result. |
| actionDone(); |
| } |
| }; |
| |
| /* |
| * Write a system property in case the system_server reboots before we |
| * get to the actual hardware restart. If that happens, we'll retry at |
| * the beginning of the SystemServer startup. |
| */ |
| { |
| String reason = (mReboot ? "1" : "0") + (mReason != null ? mReason : ""); |
| SystemProperties.set(SHUTDOWN_ACTION_PROPERTY, reason); |
| } |
| |
| /* |
| * If we are rebooting into safe mode, write a system property |
| * indicating so. |
| */ |
| if (mRebootSafeMode) { |
| SystemProperties.set(REBOOT_SAFEMODE_PROPERTY, "1"); |
| } |
| |
| shutdownTimingLog.traceBegin("DumpPreRebootInfo"); |
| try { |
| Slog.i(TAG, "Logging pre-reboot information..."); |
| PreRebootLogger.log(mContext); |
| } catch (Exception e) { |
| Slog.e(TAG, "Failed to log pre-reboot information", e); |
| } |
| shutdownTimingLog.traceEnd(); // DumpPreRebootInfo |
| |
| metricStarted(METRIC_SEND_BROADCAST); |
| shutdownTimingLog.traceBegin("SendShutdownBroadcast"); |
| Log.i(TAG, "Sending shutdown broadcast..."); |
| |
| // First send the high-level shut down broadcast. |
| mActionDone = false; |
| Intent intent = new Intent(Intent.ACTION_SHUTDOWN); |
| intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND | Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| mContext.sendOrderedBroadcastAsUser(intent, |
| UserHandle.ALL, null, br, mHandler, 0, null, null); |
| |
| final long endTime = SystemClock.elapsedRealtime() + MAX_BROADCAST_TIME; |
| synchronized (mActionDoneSync) { |
| while (!mActionDone) { |
| long delay = endTime - SystemClock.elapsedRealtime(); |
| if (delay <= 0) { |
| Log.w(TAG, "Shutdown broadcast timed out"); |
| break; |
| } else if (mRebootHasProgressBar) { |
| int status = (int)((MAX_BROADCAST_TIME - delay) * 1.0 * |
| BROADCAST_STOP_PERCENT / MAX_BROADCAST_TIME); |
| sInstance.setRebootProgress(status, null); |
| } |
| try { |
| mActionDoneSync.wait(Math.min(delay, ACTION_DONE_POLL_WAIT_MS)); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| if (mRebootHasProgressBar) { |
| sInstance.setRebootProgress(BROADCAST_STOP_PERCENT, null); |
| } |
| shutdownTimingLog.traceEnd(); // SendShutdownBroadcast |
| metricEnded(METRIC_SEND_BROADCAST); |
| |
| Log.i(TAG, "Shutting down activity manager..."); |
| shutdownTimingLog.traceBegin("ShutdownActivityManager"); |
| metricStarted(METRIC_AM); |
| |
| final IActivityManager am = |
| IActivityManager.Stub.asInterface(ServiceManager.checkService("activity")); |
| if (am != null) { |
| try { |
| am.shutdown(MAX_BROADCAST_TIME); |
| } catch (RemoteException e) { |
| } |
| } |
| if (mRebootHasProgressBar) { |
| sInstance.setRebootProgress(ACTIVITY_MANAGER_STOP_PERCENT, null); |
| } |
| shutdownTimingLog.traceEnd();// ShutdownActivityManager |
| metricEnded(METRIC_AM); |
| |
| Log.i(TAG, "Shutting down package manager..."); |
| shutdownTimingLog.traceBegin("ShutdownPackageManager"); |
| metricStarted(METRIC_PM); |
| |
| final PackageManagerService pm = (PackageManagerService) |
| ServiceManager.getService("package"); |
| if (pm != null) { |
| pm.shutdown(); |
| } |
| if (mRebootHasProgressBar) { |
| sInstance.setRebootProgress(PACKAGE_MANAGER_STOP_PERCENT, null); |
| } |
| shutdownTimingLog.traceEnd(); // ShutdownPackageManager |
| metricEnded(METRIC_PM); |
| |
| // Shutdown radios. |
| shutdownTimingLog.traceBegin("ShutdownRadios"); |
| metricStarted(METRIC_RADIOS); |
| shutdownRadios(MAX_RADIO_WAIT_TIME); |
| if (mRebootHasProgressBar) { |
| sInstance.setRebootProgress(RADIO_STOP_PERCENT, null); |
| } |
| shutdownTimingLog.traceEnd(); // ShutdownRadios |
| metricEnded(METRIC_RADIOS); |
| |
| if (mRebootHasProgressBar) { |
| sInstance.setRebootProgress(MOUNT_SERVICE_STOP_PERCENT, null); |
| |
| // If it's to reboot to install an update and uncrypt hasn't been |
| // done yet, trigger it now. |
| uncrypt(); |
| } |
| |
| // Wait for the check points dump thread to finish, or kill it if not finished in time. |
| shutdownTimingLog.traceBegin("ShutdownCheckPointsDumpWait"); |
| try { |
| dumpCheckPointsThread.join(MAX_CHECK_POINTS_DUMP_WAIT_TIME); |
| } catch (InterruptedException ex) { |
| } |
| shutdownTimingLog.traceEnd(); // ShutdownCheckPointsDumpWait |
| |
| shutdownTimingLog.traceEnd(); // SystemServerShutdown |
| metricEnded(METRIC_SYSTEM_SERVER); |
| saveMetrics(mReboot, mReason); |
| // Remaining work will be done by init, including vold shutdown |
| rebootOrShutdown(mContext, mReboot, mReason); |
| } |
| |
| private static TimingsTraceLog newTimingsLog() { |
| return new TimingsTraceLog("ShutdownTiming", Trace.TRACE_TAG_SYSTEM_SERVER); |
| } |
| |
| private static void metricStarted(String metricKey) { |
| synchronized (TRON_METRICS) { |
| TRON_METRICS.put(metricKey, -1 * SystemClock.elapsedRealtime()); |
| } |
| } |
| |
| private static void metricEnded(String metricKey) { |
| synchronized (TRON_METRICS) { |
| TRON_METRICS |
| .put(metricKey, SystemClock.elapsedRealtime() + TRON_METRICS.get(metricKey)); |
| } |
| } |
| |
| private static void metricShutdownStart() { |
| synchronized (TRON_METRICS) { |
| TRON_METRICS.put(METRIC_SHUTDOWN_TIME_START, System.currentTimeMillis()); |
| } |
| } |
| |
| private void setRebootProgress(final int progress, final CharSequence message) { |
| mHandler.post(new Runnable() { |
| @Override |
| public void run() { |
| if (mProgressDialog != null) { |
| mProgressDialog.setProgress(progress); |
| if (message != null) { |
| mProgressDialog.setMessage(message); |
| } |
| } |
| } |
| }); |
| } |
| |
| private void shutdownRadios(final int timeout) { |
| // If a radio is wedged, disabling it may hang so we do this work in another thread, |
| // just in case. |
| final long endTime = SystemClock.elapsedRealtime() + timeout; |
| final boolean[] done = new boolean[1]; |
| Thread t = new Thread() { |
| public void run() { |
| TimingsTraceLog shutdownTimingsTraceLog = newTimingsLog(); |
| boolean radioOff; |
| |
| TelephonyManager telephonyManager = mContext.getSystemService( |
| TelephonyManager.class); |
| |
| radioOff = telephonyManager == null |
| || !telephonyManager.isAnyRadioPoweredOn(); |
| if (!radioOff) { |
| Log.w(TAG, "Turning off cellular radios..."); |
| metricStarted(METRIC_RADIO); |
| telephonyManager.shutdownAllRadios(); |
| } |
| |
| Log.i(TAG, "Waiting for Radio..."); |
| |
| long delay = endTime - SystemClock.elapsedRealtime(); |
| while (delay > 0) { |
| if (mRebootHasProgressBar) { |
| int status = (int)((timeout - delay) * 1.0 * |
| (RADIO_STOP_PERCENT - PACKAGE_MANAGER_STOP_PERCENT) / timeout); |
| status += PACKAGE_MANAGER_STOP_PERCENT; |
| sInstance.setRebootProgress(status, null); |
| } |
| |
| if (!radioOff) { |
| radioOff = !telephonyManager.isAnyRadioPoweredOn(); |
| if (radioOff) { |
| Log.i(TAG, "Radio turned off."); |
| metricEnded(METRIC_RADIO); |
| shutdownTimingsTraceLog |
| .logDuration("ShutdownRadio", TRON_METRICS.get(METRIC_RADIO)); |
| } |
| } |
| |
| if (radioOff) { |
| Log.i(TAG, "Radio shutdown complete."); |
| done[0] = true; |
| break; |
| } |
| SystemClock.sleep(RADIOS_STATE_POLL_SLEEP_MS); |
| delay = endTime - SystemClock.elapsedRealtime(); |
| } |
| } |
| }; |
| |
| t.start(); |
| try { |
| t.join(timeout); |
| } catch (InterruptedException ex) { |
| } |
| if (!done[0]) { |
| Log.w(TAG, "Timed out waiting for Radio shutdown."); |
| } |
| } |
| |
| /** |
| * Do not call this directly. Use {@link #reboot(Context, String, boolean)} |
| * or {@link #shutdown(Context, String, boolean)} instead. |
| * |
| * @param context Context used to vibrate or null without vibration |
| * @param reboot true to reboot or false to shutdown |
| * @param reason reason for reboot/shutdown |
| */ |
| public static void rebootOrShutdown(final Context context, boolean reboot, String reason) { |
| if (reboot) { |
| Log.i(TAG, "Rebooting, reason: " + reason); |
| PowerManagerService.lowLevelReboot(reason); |
| Log.e(TAG, "Reboot failed, will attempt shutdown instead"); |
| reason = null; |
| } else if (SHUTDOWN_VIBRATE_MS > 0 && context != null) { |
| // vibrate before shutting down |
| Vibrator vibrator = new SystemVibrator(context); |
| try { |
| vibrator.vibrate(SHUTDOWN_VIBRATE_MS, VIBRATION_ATTRIBUTES); |
| } catch (Exception e) { |
| // Failure to vibrate shouldn't interrupt shutdown. Just log it. |
| Log.w(TAG, "Failed to vibrate during shutdown.", e); |
| } |
| |
| // vibrator is asynchronous so we need to wait to avoid shutting down too soon. |
| try { |
| Thread.sleep(SHUTDOWN_VIBRATE_MS); |
| } catch (InterruptedException unused) { |
| } |
| } |
| // Shutdown power |
| Log.i(TAG, "Performing low-level shutdown..."); |
| PowerManagerService.lowLevelShutdown(reason); |
| } |
| |
| private static void saveMetrics(boolean reboot, String reason) { |
| StringBuilder metricValue = new StringBuilder(); |
| metricValue.append("reboot:"); |
| metricValue.append(reboot ? "y" : "n"); |
| metricValue.append(",").append("reason:").append(reason); |
| final int metricsSize = TRON_METRICS.size(); |
| for (int i = 0; i < metricsSize; i++) { |
| final String name = TRON_METRICS.keyAt(i); |
| final long value = TRON_METRICS.valueAt(i); |
| if (value < 0) { |
| Log.e(TAG, "metricEnded wasn't called for " + name); |
| continue; |
| } |
| metricValue.append(',').append(name).append(':').append(value); |
| } |
| File tmp = new File(METRICS_FILE_BASENAME + ".tmp"); |
| boolean saved = false; |
| try (FileOutputStream fos = new FileOutputStream(tmp)) { |
| fos.write(metricValue.toString().getBytes(StandardCharsets.UTF_8)); |
| saved = true; |
| } catch (IOException e) { |
| Log.e(TAG,"Cannot save shutdown metrics", e); |
| } |
| if (saved) { |
| tmp.renameTo(new File(METRICS_FILE_BASENAME + ".txt")); |
| } |
| } |
| |
| private void uncrypt() { |
| Log.i(TAG, "Calling uncrypt and monitoring the progress..."); |
| |
| final RecoverySystem.ProgressListener progressListener = |
| new RecoverySystem.ProgressListener() { |
| @Override |
| public void onProgress(int status) { |
| if (status >= 0 && status < 100) { |
| // Scale down to [MOUNT_SERVICE_STOP_PERCENT, 100). |
| status = (int)(status * (100.0 - MOUNT_SERVICE_STOP_PERCENT) / 100); |
| status += MOUNT_SERVICE_STOP_PERCENT; |
| CharSequence msg = mContext.getText( |
| com.android.internal.R.string.reboot_to_update_package); |
| sInstance.setRebootProgress(status, msg); |
| } else if (status == 100) { |
| CharSequence msg = mContext.getText( |
| com.android.internal.R.string.reboot_to_update_reboot); |
| sInstance.setRebootProgress(status, msg); |
| } else { |
| // Ignored |
| } |
| } |
| }; |
| |
| final boolean[] done = new boolean[1]; |
| done[0] = false; |
| Thread t = new Thread() { |
| @Override |
| public void run() { |
| RecoverySystem rs = (RecoverySystem) mContext.getSystemService( |
| Context.RECOVERY_SERVICE); |
| String filename = null; |
| try { |
| filename = FileUtils.readTextFile(RecoverySystem.UNCRYPT_PACKAGE_FILE, 0, null); |
| rs.processPackage(mContext, new File(filename), progressListener); |
| } catch (IOException e) { |
| Log.e(TAG, "Error uncrypting file", e); |
| } |
| done[0] = true; |
| } |
| }; |
| t.start(); |
| |
| try { |
| t.join(MAX_UNCRYPT_WAIT_TIME); |
| } catch (InterruptedException unused) { |
| } |
| if (!done[0]) { |
| Log.w(TAG, "Timed out waiting for uncrypt."); |
| final int uncryptTimeoutError = 100; |
| String timeoutMessage = String.format("uncrypt_time: %d\n" + "uncrypt_error: %d\n", |
| MAX_UNCRYPT_WAIT_TIME / 1000, uncryptTimeoutError); |
| try { |
| FileUtils.stringToFile(RecoverySystem.UNCRYPT_STATUS_FILE, timeoutMessage); |
| } catch (IOException e) { |
| Log.e(TAG, "Failed to write timeout message to uncrypt status", e); |
| } |
| } |
| } |
| } |
