-#!/usr/bin/perl -wT
+#!/usr/bin/perl -w
# xavierbot : an OCaml interpreter IRC bot.
# By Richard W.M. Jones <rich@annexia.org>.
# This code is in the Public Domain.
-# $Id: xavierbot.pl,v 1.7 2007/06/29 07:55:47 rjones Exp $
+# $Id: xavierbot.pl,v 1.13 2008/02/13 17:35:32 rjones Exp $
use strict;
use POE qw(Component::IRC Wheel::Run);
+use Getopt::Long;
#----------------------------------------------------------------------
# Start of configuration.
my $nick = "xavierbot";
my $ircname = "Xavierbot"; # Printable name.
my $server = "chat.freenode.net";
-#my $server = "devserv.devel.redhat.com";
my $port = 6667;
my $channel = "#ocaml";
# End of configuration.
#----------------------------------------------------------------------
+# Command line args can override configuration.
+GetOptions ("nick=s" => \$nick,
+ "ircname=s" => \$ircname,
+ "server=s" => \$server,
+ "port=i" => \$port,
+ "channel=s" => \$channel)
+ or die "$0: GetOptions: $!";
+
+# Simple flood protection. This counts number of lines received from
+# the toplevel, and is reset when we send a line. If this exceeds
+# some value, then we just eat lines.
+# XXX This ought to count characters, not lines.
+my $flood_lim = 0;
+
+# Are we awake or sleeping?
+my $sleeping = 0;
+
+#----------------------------------------------------------------------
+
$ENV{PATH} = "/usr/bin:/bin";
POE::Session->create (
my $nick = (split /!/, $who)[0];
my $channel = $where->[0];
+ my @usage =
+ (
+ "expr ;; evaluate expr in toplevel and print result",
+ "help help message",
+ "restart restart the toplevel",
+ "sleep go to sleep",
+ "wake wake me up from sleep",
+ );
+
print "got: $what\n";
- if (my ($stmt) = $what =~ /^\s*([^#].*;;)\s*$/) {
- $heap->{ocaml}->put ("$stmt\n");
- }
# XXX How to interpolate $nick into the patterns?
- elsif ($what =~ /^\s*xavierbot\b.*\bhelp\b/) {
+ if ($what =~ /^\s*xavierbot\b.*\bhelp\b/) {
my $nick = (split /!/, $who)[0];
$kernel->post ($sender => privmsg => $channel =>
- "$nick: expr ;; evaluate expr in OCaml toplevel");
- $kernel->post ($sender => privmsg => $channel =>
- "$nick: help help message");
- $kernel->post ($sender => privmsg => $channel =>
- "$nick: restart restart the toplevel");
+ "hello $nick, I am xavierbot 0.8, an OCaml toplevel");
+ $kernel->post ($sender => privmsg => $channel => $_)
+ foreach (@usage);
}
elsif ($what =~ /^\s*xavierbot\b.*\brestart\b/) {
+ $sleeping = 0;
print STDOUT "got instruction to restart ...\n";
restart_toplevel ($heap->{ocaml});
}
+ elsif (!$sleeping) {
+ if (my ($stmt) = $what =~ m/^\s*([^\#].*;;)\s*$/) {
+ $heap->{ocaml}->put ("$stmt\n");
+ $flood_lim = 0;
+ }
+ elsif ($what =~ /^\s*xavierbot\b.*\b(sleep|shut|quiet)\b/) {
+ $sleeping = 1;
+ $kernel->post ($sender => privmsg => $channel =>
+ "xavierbot goes to sleep (do 'xavierbot wake' to wake)");
+ }
+ } else { # sleeping
+ if ($what =~ /^\s*xavierbot\b.*\bwake\b/) {
+ $sleeping = 0;
+ $kernel->post ($sender => privmsg => $channel =>
+ "xavierbot wakes up");
+ }
+ }
undef;
}
{
my ($kernel,$heap, $input, $wheel_id) = @_[KERNEL,HEAP,ARG0,ARG1];
print "Child said: $input\n";
- $kernel->post ($heap->{irc} => privmsg => $channel => "$input");
+ if ($flood_lim < 10) {
+ $kernel->post ($heap->{irc} => privmsg => $channel => "$input");
+ }
+ $flood_lim++;
}
# Got a SIGCHLD, so start the bot up again.