Android Open Source - bandwidth-test Main Activity

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License

The source code is released under:

Apache License

Java Source Code

package interdroid.cuckoo.bandwidth;
/*from  ww  w . j a  v  a  2s. c  o m*/
import interdroid.cuckoo.client.Cuckoo;
import interdroid.cuckoo.client.Cuckoo.Resource;
import interdroid.cuckoo.client.Oracle;
import interdroid.cuckoo.client.Statistics;

import java.util.Arrays;
import java.util.List;

import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;

public class MainActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    findViewById(R.id.start).setOnClickListener(new OnClickListener() {

      public void onClick(final View v) {
        v.setEnabled(false);
        new Thread() {
          public void run() {
            testBandwidthMessageSize();
            runOnUiThread(new Runnable() {
              public void run() {
                v.setEnabled(true);
              }
            });

          }
        }.start();
      }
    });
  }

  private String format(double value) {
    return (value == Double.MAX_VALUE ? "\u221E" : ""
        + String.format("%.2f bytes/ms", value));
  }

  

  private void testBandwidthMessageSize() {
    Oracle.ensureNetwork(this);
    List<Resource> resources = Oracle.getAllResources(this);
//    WifiManager wifiManager = (WifiManager) getSystemService(WIFI_SERVICE);
//    System.out.println("link speed before: "
//        + wifiManager.getConnectionInfo().getLinkSpeed());
    for (Resource resource : resources) {
      int repetitions = 10;
//       String[] values = new String[] { "512", "1024", "2048", "4096",
//       "8192", "16384", "32768", "65536", "131072", "262144",
//       "524288", "1048576" };
      String[] values = new String[] { "16777216" };
//      String[] values = new String[] { "4194304" };
      DescriptiveStatistics[][] measurements = new DescriptiveStatistics[values.length][5];
      Statistics stats = new Statistics();
      String clientUploadMean = "";
      String clientUploadStdev = "";
      String uploadMean = "";
      String uploadStdev = "";
      String downloadMean = "";
      String downloadStdev = "";
      String rttMean = "";
      String rttStdev = "";
      String deltaMean = "";
      String deltaStdev = "";

      for (int j = 0; j < values.length; j++) {
        double dataSize = Integer.parseInt(values[j]);
        // declare
        DescriptiveStatistics[] measurement = new DescriptiveStatistics[5];
        // initialize
        for (int i = 0; i < measurement.length; i++) {
          measurement[i] = new DescriptiveStatistics();
        }
        // run experiment
        for (int i = 0; i < repetitions; i++) {
          Cuckoo.debugServer(resource, stats, (int) dataSize, (int) dataSize, 0);
          measurement[0].addValue(dataSize
              / Math.max(1, stats.clientUploadTime));
          measurement[1].addValue(dataSize
              / Math.max(1, stats.uploadTime));
          measurement[2].addValue(dataSize
              / Math.max(1, stats.downloadTime));
          measurement[3].addValue(stats.rtt);
          measurement[4].addValue(stats.totalInvocationTime
              - stats.uploadTime - stats.executionTime
              - stats.downloadTime - stats.localOverheadTime
              - stats.rtt);
        }
        // store in map
        measurements[j] = measurement;
        // print map
        clientUploadMean += measurement[0].getMean() + ",";
        clientUploadStdev += measurement[0].getStandardDeviation()
            + ",";
        uploadMean += measurement[1].getMean() + ",";
        uploadStdev += measurement[1].getStandardDeviation() + ",";
        downloadMean += measurement[2].getMean() + ",";
        downloadStdev += measurement[2].getStandardDeviation() + ",";
        rttMean += measurement[3].getMean() + ",";
        rttStdev += measurement[3].getStandardDeviation() + ",";
        deltaMean += measurement[4].getMean() + ",";
        deltaStdev += measurement[4].getStandardDeviation() + ",";

        System.out.println("----- " + values[j] + " -----");
        System.out.println(Arrays.toString(values));
        System.out.println(clientUploadMean);
        System.out.println(clientUploadStdev);
        System.out.println(uploadMean);
        System.out.println(uploadStdev);
        System.out.println(downloadMean);
        System.out.println(downloadStdev);
        System.out.println(rttMean);
        System.out.println(rttStdev);
        System.out.println(deltaMean);
        System.out.println(deltaStdev);

      }
//      System.out.println("link speed after: " + wifiManager.getConnectionInfo().getLinkSpeed());
    }
  }
}

Java Source Code List

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