Android Open Source - DRWAClient Automated Test Thread

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License

The source code is released under:

GNU General Public License

Java Source Code

package edu.ncsu.csc.drwaclient;
/*w w w . j a v a 2  s . c  o m*/
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;

import android.util.Log;

public class AutomatedTestThread implements Runnable {
  private final int DOWNLINK_PORT = 8001;
  private final int UPLINK_PORT = 8002;
  private final int DURATION = 60;
  private final int BUF_SIZE = 4096;

  private final String server_ip;
  private final String updown;

  public AutomatedTestThread(String... params) {
    server_ip = params[0];
    updown = params[1];
  }

  @Override
  public void run() {
    if (updown.matches("Downlink")) {
      while (true) {
        Long throughput = (long) 0;
        Socket sock;
        InputStream in;
        OutputStream out;
        long start_time = 0;
        PrintWriter outWriter = null;

        try {
          sock = new Socket(server_ip, DOWNLINK_PORT);
          in = sock.getInputStream();
          out = sock.getOutputStream();
          BufferedReader inReader = new BufferedReader(
              new InputStreamReader(in));
          outWriter = new PrintWriter(out, true);
          char[] inbuf = new char[BUF_SIZE];
          int bytes_read = 0;
          start_time = System.currentTimeMillis();
          while ((bytes_read = inReader.read(inbuf, 0, BUF_SIZE)) > 0) {
            throughput += bytes_read;
            if (Thread.currentThread().isInterrupted())
              break;
          }
          long stop_time = System.currentTimeMillis();
          throughput = throughput * 8000 / (stop_time - start_time);
          outWriter.println(throughput);
          in.close();
          out.close();
          sock.close();
          if (Thread.currentThread().isInterrupted()) {
            throw new InterruptedException();
          }

          // Wait for 30 seconds between two tests
          synchronized (this) {
            wait(30000);
          }
        } catch (InterruptedException ex) {
          // Interrupted, stop the test
          break;
        } catch (Exception ex) {
          // Ignore temporary problems, continue testing
          Log.e("DRWAClient",
              "Exception in AutomatedTestThread::run()", ex);
        }
      }
    } else if (updown.matches("Uplink")) {
      while (true) {
        Socket sock;
        InputStream in;
        OutputStream out;
        long start_time = 0;
        PrintWriter outWriter = null;

        try {
          sock = new Socket(server_ip, UPLINK_PORT);
          in = sock.getInputStream();
          out = sock.getOutputStream();
          BufferedReader inReader = new BufferedReader(
              new InputStreamReader(in));
          outWriter = new PrintWriter(out, true);
          char[] buf = new char[BUF_SIZE];
          start_time = System.currentTimeMillis();
          while (System.currentTimeMillis() - start_time < DURATION * 1000) {
            outWriter.print(buf);
            if (Thread.currentThread().isInterrupted())
              break;
          }
          sock.shutdownOutput();
          inReader.readLine();
          in.close();
          out.close();
          sock.close();
          if (Thread.currentThread().isInterrupted()) {
            throw new InterruptedException();
          }

          // Wait for 30 seconds between two tests
          synchronized (this) {
            wait(30000);
          }
        } catch (InterruptedException ex) {
          // Interrupted, stop the test
          break;
        } catch (Exception ex) {
          // Ignore temporary problems, continue testing
          Log.e("DRWAClient",
              "Exception in AutomatedTestThread::run()", ex);
        }
      }
    }
  }
}

Java Source Code List

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