content: /*
   * Copyright (C) 2017 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.net.watchlist;
  
  import android.app.job.JobInfo;
  import android.app.job.JobParameters;
  import android.app.job.JobScheduler;
  import android.app.job.JobService;
  import android.content.ComponentName;
  import android.content.Context;
  import android.net.NetworkWatchlistManager;
  import android.util.Slog;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * A job that periodically report watchlist records.
   */
  public class ReportWatchlistJobService extends JobService {
  
      private static final boolean DEBUG = NetworkWatchlistService.DEBUG;
      private static final String TAG = "WatchlistJobService";
  
      // Unique job id used in system service, other jobs should not use the same value.
      public static final int REPORT_WATCHLIST_RECORDS_JOB_ID = 0xd7689;
      public static final long REPORT_WATCHLIST_RECORDS_PERIOD_MILLIS =
              TimeUnit.HOURS.toMillis(12);
  
      @Override
      public boolean onStartJob(final JobParameters jobParameters) {
          if (jobParameters.getJobId() != REPORT_WATCHLIST_RECORDS_JOB_ID) {
              return false;
          }
          if (DEBUG) Slog.d(TAG, "Start scheduled job.");
          new NetworkWatchlistManager(this).reportWatchlistIfNecessary();
          jobFinished(jobParameters, false);
          return true;
      }
  
      @Override
      public boolean onStopJob(JobParameters jobParameters) {
          return true; // Reschedule when possible.
      }
  
      /**
       * Schedule the {@link ReportWatchlistJobService} to run periodically.
       */
      public static void schedule(Context context) {
          if (DEBUG) Slog.d(TAG, "Scheduling records aggregator task");
          final JobScheduler scheduler =
                  (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
          scheduler.schedule(new JobInfo.Builder(REPORT_WATCHLIST_RECORDS_JOB_ID,
                  new ComponentName(context, ReportWatchlistJobService.class))
                  //.setOverrideDeadline(45 * 1000) // Schedule job soon, for testing.
                  .setPeriodic(REPORT_WATCHLIST_RECORDS_PERIOD_MILLIS)
                  .setRequiresDeviceIdle(true)
                  .setRequiresBatteryNotLow(true)
                  .setPersisted(false)
                  .build());
      }
  
  }
  