non blocking server with IO::Select and IO::Socket::INET

server.pl

use common::sense;
use IO::Select;
use IO::Socket;

use constant PORT1 => 9090;
use constant TIMEOUT => 1;

my $event_socket  = new IO::Socket::INET(Listen => 1, LocalPort => PORT1, ReuseAddr => 1) 
    or die "Can't bind event_socket: $@\n";

my $sel = IO::Select->new;
$sel->add($event_socket);

my $event_emiter = undef;

while(1){ 
    foreach my $sock (my @ready = $sel->can_read(TIMEOUT)) {
        if ($sock == $event_socket) {
            my $new = $event_socket->accept;
            binmode($new, ":encoding(UTF-8)"); # necessario?
            $sel->add($new);
            
            $event_emiter=$new;
            
            warn "[event socket] connect from ",$new->peerhost, "\n";
        } elsif ($sock == $event_emiter) {
            unless($sock->eof){
                my $recv_data = $sock->getline;
                warn "[event socket] LOL '$recv_data'\n";
            } else {
                $sel->remove($sock);
                $sock->close;
                $event_emiter = undef;
                warn "[socket] disconnect\n";
            }
        } else {
            
            $sel->remove($sock);
            $sock->close;
            
            warn "[socket] disconnect\n";
        }
    }	
}