UdpSpeedTest

import java.net.DatagramPacket;

import java.net.DatagramSocket;

import java.net.InetAddress;

 

public class UdpSpeedTest {

public static void main(String[] args) throws Exception {

if (args.length < 2) {

System.out.println("Usage: UdpSpeedTest address length");

System.exit(0);

}

 

byte[] data = new byte[Integer.valueOf(args[1])];

DatagramSocket socket = new DatagramSocket();

DatagramPacket packet = new DatagramPacket(data, data.length,

InetAddress.getByName(args[0]), 20000);

 

long t0, t1;

t0 = System.nanoTime();

for (long i = 0; i < 10000L; i++) {

socket.send(packet);

}

t1 = System.nanoTime();

System.out.println("UDP packet length: " + data.length + ", speed: "

+ (int) (data.length * 1E13 * 8 / ((t1 - t0)) / 1024 / 1024)

+ " MBps");

socket.close();

}

}