Separate job service for dynamic code logging.
Decouple logging of dynamic code loading from background DEX
optimisation/reconciliation (BackgroundDexOptService).
Add DynamicCodeLoggingService to run DCL logging daily while idle and
charging.
Update DexLoggerIntegrationTests to use the new job, and to verify
that we now handle unknown class loaders.
Bug: 111336847
Test: atest -p services/core/java/com/android/server/pm/dex
Change-Id: Id688a7eef5976120be12606e726830ce32451a1e
diff --git a/services/core/java/com/android/server/pm/DynamicCodeLoggingService.java b/services/core/java/com/android/server/pm/DynamicCodeLoggingService.java
new file mode 100644
index 0000000..2ae424d
--- /dev/null
+++ b/services/core/java/com/android/server/pm/DynamicCodeLoggingService.java
@@ -0,0 +1,115 @@
+/*
+ * 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");
+ }
+ }
+ }
+}