#!/usr/bin/env ruby
#
# $Id: arp-send 153 2009-12-13 06:29:10Z jhart $
#
# Example that just writes a simple arp packet to eth0
require 'rubygems'
require 'racket'
include Racket
unless (ARGV.size == 2) 
  puts "Usage: #{$0} <interface> <opcode>"
  exit
end
n = Racket::Racket.new
n.iface = ARGV[0] 
n.l2 = L2::Ethernet.new(Misc.randstring(14))
n.l2.ethertype = 0x0806
n.l3 = L3::ARP.new
n.l3.opcode = ARGV[1].to_i
n.sendpacket