| /* |
| * Copyright (C) 2014 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; |
| |
| 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.util.Slog; |
| |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| public class SmartStorageMaintIdler extends JobService { |
| private static final String TAG = "SmartStorageMaintIdler"; |
| |
| private static final ComponentName SMART_STORAGE_MAINT_SERVICE = |
| new ComponentName("android", SmartStorageMaintIdler.class.getName()); |
| |
| private static final int SMART_MAINT_JOB_ID = 2808; |
| |
| private final AtomicBoolean mStarted = new AtomicBoolean(false); |
| private JobParameters mJobParams; |
| private final Runnable mFinishCallback = new Runnable() { |
| @Override |
| public void run() { |
| Slog.i(TAG, "Got smart storage maintenance service completion callback"); |
| if (mStarted.get()) { |
| jobFinished(mJobParams, false); |
| mStarted.set(false); |
| } |
| // ... and try again in a next period |
| scheduleSmartIdlePass(SmartStorageMaintIdler.this, |
| StorageManagerService.sSmartIdleMaintPeriod); |
| } |
| }; |
| |
| @Override |
| public boolean onStartJob(JobParameters params) { |
| final StorageManagerService ms = StorageManagerService.sSelf; |
| if (mStarted.compareAndSet(false, true)) { |
| new Thread() { |
| public void run() { |
| mJobParams = params; |
| if (ms != null) { |
| ms.runSmartIdleMaint(mFinishCallback); |
| } else { |
| mStarted.set(false); |
| } |
| } |
| }.start(); |
| return ms != null; |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters params) { |
| mStarted.set(false); |
| return false; |
| } |
| |
| /** |
| * Schedule the smart storage idle maintenance job |
| */ |
| public static void scheduleSmartIdlePass(Context context, int nMinutes) { |
| StorageManagerService ms = StorageManagerService.sSelf; |
| if ((ms == null) || ms.isPassedLifetimeThresh()) { |
| return; |
| } |
| |
| JobScheduler tm = context.getSystemService(JobScheduler.class); |
| |
| long nextScheduleTime = TimeUnit.MINUTES.toMillis(nMinutes); |
| |
| JobInfo.Builder builder = new JobInfo.Builder(SMART_MAINT_JOB_ID, |
| SMART_STORAGE_MAINT_SERVICE); |
| |
| builder.setMinimumLatency(nextScheduleTime); |
| tm.schedule(builder.build()); |
| } |
| } |