#!/usr/bin/perl -w

use strict;
use IO::Socket;
use IO::Select;

my $s=new IO::Select;

my $ip1=IO::Socket::INET->new(LocalPort => 5925, Proto=>'udp', 
        LocalAddr => '127.0.0.1')
        or die "error creating UDP server $@\n";
my $ip2=IO::Socket::INET->new(LocalPort => 5925, Proto=>'udp',
        LocalAddr => '64.82.70.84')
        or die "error creating UDP server $@\n";
$s->add($ip1);
$s->add($ip2);

while(1){
  my $server;
  foreach $server($s->can_read(60)){
    my $newmsg;
    $server->recv($newmsg,1024);
    my ($rport,$ripaddr) = sockaddr_in($server->peername);
    print "remote: ".inet_ntoa($ripaddr)."($rport)\n";
    my ($lport,$lipaddr) = sockaddr_in($server->sockname);
    print "local: ".inet_ntoa($lipaddr)."($lport)\n";
  }
}