use IO::Socket; use IO::Select; my $listener = IO::Socket::INET->new( LocalPort => 8008, Listen => 5, Reuse => 1 ); die "Can't create socket for listening: $!" unless $listener; print "Listening for connections on port 8008\n"; my $readable = IO::Select->new; # Create a new IO::Select object $readable->add($listener); # Add the listener to it my %names; my $count; while(1) { # Get a list of sockets that are ready to talk to us. my ($ready) = IO::Select->select($readable, undef, undef, undef); foreach my $s (@$ready) { # Is it a new connection? if($s == $listener) { # Accept the connection and add it to our readable list. my $new_sock = $listener->accept; $readable->add($new_sock) if $new_sock; print $new_sock "Hello, Enter your name\r\n"; } else { # It's an established connection my $buf = <$s>; # Try to read a line # Was there anyone on the other end? if( defined $buf ) { #if they havent yet entered their name, the first thing they enter will be their name if (!defined $names{$s}) { chomp $buf; #$buf =~ /^(.*)$/; #print "$1\n"; $names{$s} = "$buf"; print "$names{$s}\n"; print $s "Name accepted\r\n"; $count = keys %names; print $s "There are $count people connected\r\n"; @name = values %names; print $s "@name\r\n"; } elsif ($buf =~ /goodbye/i) { #if they think the server is not good enough for them they can leave #and this is where they do it print $s "See you later!\n"; #$names{$s} = undef; delete $names{$s}; $readable->remove($s); $s->close; } else { print $s "$names{$s}: There are $b people\r\n"; #print $s "You said: $buf\n"; } } else { # The client disconnected. $readable->remove($s); $s->close; print STDERR "Client Connection closed\n"; $count--; delete $names{$s}; } } } }