| /* |
| * Copyright 2018 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.pm; |
| |
| 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.os.ServiceManager; |
| import android.util.Log; |
| |
| import com.android.server.pm.dex.DexLogger; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * Scheduled job to trigger logging of app dynamic code loading. This runs daily while idle and |
| * charging. The actual logging is performed by {@link DexLogger}. |
| * {@hide} |
| */ |
| public class DynamicCodeLoggingService extends JobService { |
| private static final String TAG = DynamicCodeLoggingService.class.getName(); |
| |
| private static final int JOB_ID = 2030028; |
| private static final long PERIOD_MILLIS = TimeUnit.DAYS.toMillis(1); |
| |
| private volatile boolean mStopRequested = false; |
| |
| private static final boolean DEBUG = false; |
| |
| /** |
| * Schedule our job with the {@link JobScheduler}. |
| */ |
| public static void schedule(Context context) { |
| ComponentName serviceName = new ComponentName( |
| "android", DynamicCodeLoggingService.class.getName()); |
| |
| JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE); |
| js.schedule(new JobInfo.Builder(JOB_ID, serviceName) |
| .setRequiresDeviceIdle(true) |
| .setRequiresCharging(true) |
| .setPeriodic(PERIOD_MILLIS) |
| .build()); |
| if (DEBUG) { |
| Log.d(TAG, "Job scheduled"); |
| } |
| } |
| |
| @Override |
| public boolean onStartJob(JobParameters params) { |
| if (DEBUG) { |
| Log.d(TAG, "onStartJob"); |
| } |
| mStopRequested = false; |
| new IdleLoggingThread(params).start(); |
| return true; // Job is running on another thread |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters params) { |
| if (DEBUG) { |
| Log.d(TAG, "onStopJob"); |
| } |
| mStopRequested = true; |
| return true; // Requests job be re-scheduled. |
| } |
| |
| private class IdleLoggingThread extends Thread { |
| private final JobParameters mParams; |
| |
| IdleLoggingThread(JobParameters params) { |
| super("DynamicCodeLoggingService_IdleLoggingJob"); |
| mParams = params; |
| } |
| |
| @Override |
| public void run() { |
| if (DEBUG) { |
| Log.d(TAG, "Starting logging run"); |
| } |
| |
| PackageManagerService pm = (PackageManagerService) ServiceManager.getService("package"); |
| DexLogger dexLogger = pm.getDexManager().getDexLogger(); |
| for (String packageName : dexLogger.getAllPackagesWithDynamicCodeLoading()) { |
| if (mStopRequested) { |
| Log.w(TAG, "Stopping logging run at scheduler request"); |
| return; |
| } |
| |
| dexLogger.logDynamicCodeLoading(packageName); |
| } |
| |
| jobFinished(mParams, /* reschedule */ false); |
| if (DEBUG) { |
| Log.d(TAG, "Finished logging run"); |
| } |
| } |
| } |
| } |