lhoward

User since:	Mar 17, 2000 at 20:48 UTC (24 years ago)
Last here:	Jul 29, 2009 at 21:29 UTC (14 years ago)
Experience:	5654
Level:	Vicar (15)
Writeups:	572
Location:	Atlanta, GA, USA
User's localtime:	Sep 30, 2023 at 15:58 -11
Scratchpad:	View
For this user:	Search nodes

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";
  }
}
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