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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.statsd.loadtest;
     17 
     18 import android.content.Context;
     19 import android.util.Log;
     20 import com.android.os.StatsLog.ConfigMetricsReport;
     21 import com.android.os.StatsLog.EventMetricData;
     22 import com.android.os.StatsLog.StatsLogReport;
     23 import com.android.internal.os.StatsdConfigProto.TimeUnit;
     24 import java.util.List;
     25 import java.util.regex.Matcher;
     26 import java.util.regex.Pattern;
     27 
     28 /**
     29  * Checks the correctness of the stats.
     30  */
     31 public class ValidationRecorder extends PerfDataRecorder {
     32     private static final String TAG = "loadtest.ValidationRecorder";
     33 
     34     private final LoadtestActivity mLoadtestActivity;
     35 
     36     public ValidationRecorder(LoadtestActivity loadtestActivity, boolean placebo, int replication,
     37         TimeUnit bucket, long periodSecs, int burst,  boolean includeCountMetric,
     38         boolean includeDurationMetric, boolean includeEventMetric,  boolean includeValueMetric,
     39         boolean includeGaugeMetric) {
     40       super(placebo, replication, bucket, periodSecs, burst, includeCountMetric,
     41           includeDurationMetric, includeEventMetric, includeValueMetric, includeGaugeMetric);
     42         mLoadtestActivity = loadtestActivity;
     43     }
     44 
     45     @Override
     46     public void startRecording(Context context) {
     47         // Nothing to do.
     48     }
     49 
     50     @Override
     51     public void onAlarm(Context context) {
     52         validateData();
     53     }
     54 
     55     @Override
     56     public void stopRecording(Context context) {
     57         validateData();
     58     }
     59 
     60     private void validateData() {
     61         // The code below is commented out because it calls getData, which has the side-effect
     62         // of clearing statsd's data buffer.
     63         /*
     64         List<ConfigMetricsReport> reports = mLoadtestActivity.getData();
     65         if (reports != null) {
     66             Log.d(TAG, "GOT DATA");
     67             for (ConfigMetricsReport report : reports) {
     68                 for (StatsLogReport logReport : report.getMetricsList()) {
     69                     if (!logReport.hasMetricId()) {
     70                         Log.e(TAG, "Metric missing name.");
     71                     }
     72                 }
     73             }
     74         }
     75         */
     76     }
     77 
     78     private void validateEventBatteryLevelChanges(StatsLogReport logReport) {
     79         Log.d(TAG, "Validating " + logReport.getMetricId());
     80         if (logReport.hasEventMetrics()) {
     81             Log.d(TAG, "Num events captured: " + logReport.getEventMetrics().getDataCount());
     82             for (EventMetricData data : logReport.getEventMetrics().getDataList()) {
     83                 Log.d(TAG, "  Event : " + data.getAtom());
     84             }
     85         } else {
     86             Log.d(TAG, "Metric is invalid");
     87         }
     88     }
     89 
     90     private void validateEventBatteryLevelChangesWhileScreenIsOn(StatsLogReport logReport) {
     91         Log.d(TAG, "Validating " + logReport.getMetricId());
     92     }
     93 }
     94