#!/usr/bin/ruby
require 'socket.so'

class UDPServer
  def initialize(port)
    @port = port
  end

  def start
    @socket = UDPSocket.new
    @socket.bind('', @port) # Bind to 0.0.0.0
    while true
      packet = @socket.recvfrom(1024)
      puts packet
    end
  end
end

server = UDPServer.new(54321)
server.start