http://www.perlmonks.org?node_id=5549
lhoward's user image
User since: Mar 17, 2000 at 20:48 UTC (24 years ago)
Last here: Jul 29, 2009 at 21:29 UTC (15 years ago)
Experience: 5655
Level:Vicar (15)
Writeups: 572
Location:Atlanta, GA, USA
User's localtime: Mar 03, 2024 at 05:01 -11
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My main perl strengths are in using modules and in programming the outside perl including DBI, networking, IPC, signals, date and time computations, regular expressions, graphics manipulation, etc...

I enjoy playing chess. You can catch me on ICC playing as harbinger.

Les Howard
www.lesandchris.com
Author of Net::Syslog and Number::Spell .


Sample Code Posted Here

#!/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"; } }