Examples with IMountShutdownObserver android.os.storage.IMountShutdownObserver used on opensource projects

Example 6 with IMountShutdownObserver

use of android.os.storage.IMountShutdownObserver in project platform_frameworks_base by android.

the class ShutdownThread method run.

/**
     * Makes sure we handle the shutdown gracefully.
     * Shuts off power regardless of radio and bluetooth state if the alloted time has passed.
     */
public void run() {
    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");
    }
    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);
    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, PHONE_STATE_POLL_SLEEP_MSEC));
            } catch (InterruptedException e) {
            }
        }
    }
    if (mRebootHasProgressBar) {
        sInstance.setRebootProgress(BROADCAST_STOP_PERCENT, null);
    }
    Log.i(TAG, "Shutting down activity manager...");
    final IActivityManager am = ActivityManagerNative.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);
    }
    Log.i(TAG, "Shutting down package manager...");
    final PackageManagerService pm = (PackageManagerService) ServiceManager.getService("package");
    if (pm != null) {
        pm.shutdown();
    }
    if (mRebootHasProgressBar) {
        sInstance.setRebootProgress(PACKAGE_MANAGER_STOP_PERCENT, null);
    }
    // Shutdown radios.
    shutdownRadios(MAX_RADIO_WAIT_TIME);
    if (mRebootHasProgressBar) {
        sInstance.setRebootProgress(RADIO_STOP_PERCENT, null);
    }
    // Shutdown MountService to ensure media is in a safe state
    IMountShutdownObserver observer = new IMountShutdownObserver.Stub() {

        public void onShutDownComplete(int statusCode) throws RemoteException {
            Log.w(TAG, "Result code " + statusCode + " from MountService.shutdown");
            actionDone();
        }
    };
    Log.i(TAG, "Shutting down MountService");
    // Set initial variables and time out time.
    mActionDone = false;
    final long endShutTime = SystemClock.elapsedRealtime() + MAX_SHUTDOWN_WAIT_TIME;
    synchronized (mActionDoneSync) {
        try {
            final IMountService mount = IMountService.Stub.asInterface(ServiceManager.checkService("mount"));
            if (mount != null) {
                mount.shutdown(observer);
            } else {
                Log.w(TAG, "MountService unavailable for shutdown");
            }
        } catch (Exception e) {
            Log.e(TAG, "Exception during MountService shutdown", e);
        }
        while (!mActionDone) {
            long delay = endShutTime - SystemClock.elapsedRealtime();
            if (delay <= 0) {
                Log.w(TAG, "Shutdown wait timed out");
                break;
            } else if (mRebootHasProgressBar) {
                int status = (int) ((MAX_SHUTDOWN_WAIT_TIME - delay) * 1.0 * (MOUNT_SERVICE_STOP_PERCENT - RADIO_STOP_PERCENT) / MAX_SHUTDOWN_WAIT_TIME);
                status += RADIO_STOP_PERCENT;
                sInstance.setRebootProgress(status, null);
            }
            try {
                mActionDoneSync.wait(Math.min(delay, PHONE_STATE_POLL_SLEEP_MSEC));
            } catch (InterruptedException e) {
            }
        }
    }
    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();
    }
    rebootOrShutdown(mContext, mReboot, mReason);
}