package com.barchart.udt;
import java.io.IOException;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import com.barchart.udt.net.NetSocketUDT;
public class AppClient {
static boolean finished = false;
/**
* @param args
* @throws IOException
*/
public static void main(final String[] args) {
String host;
int port = 9000;
final int size = 10000;
final byte[] data = new byte[size];
Future<Boolean> monResult = null;
if (args.length != 2) {
System.out.println("usage: appclient server_host server_port");
return;
}
host = args[0];
port = Integer.parseInt(args[1]);
try {
final NetSocketUDT socket = new NetSocketUDT();
if (System.getProperty("os.name").contains("win"))
socket.socketUDT().setOption(OptionUDT.UDT_MSS, 1052);
socket.connect(new InetSocketAddress(host, port));
final OutputStream os = socket.getOutputStream();
// Start the monitor background task
monResult = Executors.newSingleThreadExecutor().submit(
new Callable<Boolean>() {
@Override
public Boolean call() {
return monitor(socket.socketUDT());
}
});
for (int i = 0; i < 1000000; i++) {
os.write(data);
}
finished = true;
if (monResult != null)
monResult.get();
} catch (final IOException ioe) {
ioe.printStackTrace();
} catch (final InterruptedException e) {
e.printStackTrace();
} catch (final ExecutionException e) {
e.printStackTrace();
}
}
public static boolean monitor(final SocketUDT socket) {
System.out
.println("SendRate(Mb/s)\tRTT(ms)\tCWnd\tPktSndPeriod(us)\tRecvACK\tRecvNAK");
try {
while (!finished) {
Thread.sleep(1000);
socket.updateMonitor(false);
System.out.printf("%.2f\t\t" + "%.2f\t" + "%d\t" + "%.2f\t\t\t"
+ "%d\t" + "%d\n", socket.monitor().mbpsSendRate,
socket.monitor().msRTT,
socket.monitor().pktCongestionWindow,
socket.monitor().usPktSndPeriod,
socket.monitor().pktRecvACK,
socket.monitor().pktRecvNAK);
}
return true;
} catch (final Exception e) {
e.printStackTrace();
return false;
}
}
}