chromeDinosaur.pde

//use StandardFirmata
String port="COM8";
int motorPin=12;
String ip="127.0.0.1";

//---------------------------------

import processing.serial.*;
import cc.arduino.*;

import java.io.IOException;
import java.net.InetAddress;
import java.lang.reflect.*;

Arduino arduino;



void setup() {
  arduino = new Arduino(this, port, 57600);
  arduino.pinMode(motorPin, Arduino.OUTPUT);
  NetworkListenner nl=new NetworkListenner(this,ip);
  nl.setConnectedListenner("connectedNetwork");
  nl.setDisconnectedListenner("disconnectedNetwork");
  nl.start();
}
void draw() {
}
void connectedNetwork() {
  arduino.digitalWrite(motorPin,Arduino.LOW);
}
void disconnectedNetwork() {
  arduino.digitalWrite(motorPin,Arduino.HIGH);
}


class NetworkListenner extends Thread {
  Object parent;
  Method connected, disconnected;
  String port;
  NetworkListenner(Object parent,String port) {
    this.parent=parent;
    this.port=port;
  }
  void setConnectedListenner(String name) {
    try {
      connected=parent.getClass().getMethod(name, null);
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  void setDisconnectedListenner(String name) {    
    try {
      disconnected=parent.getClass().getMethod(name, null);
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  void run() {
    boolean oldData;
    while (true) {
      try {
        oldData=isOnline();
        break;
      }
      catch(Exception e) {
        try {
          Thread.sleep(10);
        }
        catch(Exception e1) {
          e1.printStackTrace();
        }
      }
    }
    while (true) {
      try {
        boolean newData=isOnline();
        //println(newData);
        if (newData!=oldData) {
          Method m=(newData?connected:disconnected);
          m.setAccessible(true);
          m.invoke(parent, null);
        }
        Thread.sleep(1);
        oldData=newData;
      }
      catch(Exception e) {
        e.printStackTrace();
      }
    }
  }
  boolean isOnline() throws Exception {
    InetAddress inetAddress = InetAddress.getByName(port);
    boolean pingdata = inetAddress.isReachable( 1200 );
    return pingdata;
  }
}