Skip to content

Instantly share code, notes, and snippets.

@rbochet
Created May 11, 2011 15:42
Show Gist options
  • Save rbochet/966706 to your computer and use it in GitHub Desktop.
Save rbochet/966706 to your computer and use it in GitHub Desktop.
This program runs a server that give you the IP address of every client that try to connect. Its quite useful as a whatismyip service on a local network.
package fr.stackr.java.gimmeyourip;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
/**
* This program runs a server that give you the IP address of every client that
* try to connect. Its quite useful as a whatismyip service on a local network.
*
* @author Romain Bochet
*/
public class Main {
/**
* Translation of IP in ascii
*/
private final static int PORT_NUMBER = 7380;
/**
* Endless while waiting for new connections.
*
* @param args
* Not used
* @throws IOException
* If the socket initialisation fails
*/
public static void main(String[] args) throws IOException {
System.out.println("GimmeMyIP started (host: "
+ InetAddress.getLocalHost() + ") -- listen on port "
+ Main.PORT_NUMBER);
ServerSocket srv = new ServerSocket(Main.PORT_NUMBER);
while (true) {
Socket socket = srv.accept();
System.out.println("Client connected: "+socket.getInetAddress());
socket.close();
}
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment