import java.net.*;
import java.io.*;
import PortIO; 

class rs232c_thread extends Thread {

    ServerSocket ss;
    Socket sock;
    InputStream sin;
    PortIO pio;
    final short port=0x3fc;

    public rs232c_thread(){ pio=new PortIO(); }

     public void run(){
        try{
            ss=new ServerSocket(2100,100);
            while(true){    
                sock=ss.accept();
                sin=sock.getInputStream();
		char data=(char)sin.read();
		pio.outportb(port,data); 
                sin.close();
                sock.close();
            }
        }catch(IOException ex){
            System.err.println(ex);
            System.exit(1);
        }
    }
}

public class rs232c_Server {
    public static void main(String args[]){
        rs232c_thread thread=new rs232c_thread();
        thread.start();
   }
}