Processing sketch to keep the GoPro alive

GoProKeepAlive.pde

import java.net.Socket;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

void setup() {
  thread("keepAlive");
}

void draw() {
}

void keepAlive() {
  String UDP_IP = "10.5.5.9";
  int UDP_PORT = 8554;
  int KEEP_ALIVE_PERIOD = 2500;

  while (true) {
    Socket socket = null;
    try {    
      socket = new Socket(UDP_IP, UDP_PORT);

      //Send the message to the server
      OutputStream os = socket.getOutputStream();
      OutputStreamWriter osw = new OutputStreamWriter(os);
      BufferedWriter bw = new BufferedWriter(osw);
      String sendMessage = "_GPHD_:0:0:2:0.000000\n";
      bw.write(sendMessage);
      bw.flush();
    } 
    catch (Exception exception) {
      exception.printStackTrace();
    } 
    finally {
      //Closing the socket
      try {
        if (socket != null) socket.close();
      } 
      catch(Exception e) {
        e.printStackTrace();
      }
    }
    
    delay(KEEP_ALIVE_PERIOD);
  }
}