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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.server.cts.netstats;
     17 
     18 import android.net.TrafficStats;
     19 import android.support.test.runner.AndroidJUnit4;
     20 import android.util.Log;
     21 
     22 import org.junit.Test;
     23 import org.junit.runner.RunWith;
     24 
     25 import java.net.URL;
     26 
     27 import javax.net.ssl.HttpsURLConnection;
     28 
     29 /**
     30  * Used by NetstatsIncidentTest.  Makes some network requests so "dumpsys netstats" will have
     31  * something to show.
     32  */
     33 @RunWith(AndroidJUnit4.class)
     34 public class NetstatsDeviceTest {
     35     private static final String TAG = "NetstatsDeviceTest";
     36 
     37     private static final int NET_TAG = 123123123;
     38 
     39     @Test
     40     public void testDoNetworkWithoutTagging() throws Exception {
     41         Log.i(TAG, "testDoNetworkWithoutTagging");
     42 
     43         makeNetworkRequest();
     44     }
     45 
     46     @Test
     47     public void testDoNetworkWithTagging() throws Exception {
     48         Log.i(TAG, "testDoNetworkWithTagging");
     49 
     50         TrafficStats.getAndSetThreadStatsTag(NET_TAG);
     51         makeNetworkRequest();
     52     }
     53 
     54     private void makeNetworkRequest() throws Exception {
     55         final URL url = new URL("https://www.android.com/");
     56         final HttpsURLConnection urlConnection = (HttpsURLConnection) url.openConnection();
     57         HttpsURLConnection.setFollowRedirects(true);
     58         try {
     59             final int status = urlConnection.getResponseCode();
     60 
     61             Log.i(TAG, "Response code from " + url + ": " + status);
     62 
     63             // Doesn't matter what response code we got.  We touched the network, which is enough.
     64         } finally {
     65             urlConnection.disconnect();
     66         }
     67     }
     68 }
     69