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# This script was initially written by shabble, this fork (and molestation) is
# built upon his original work.
#
# USAGE:
#
# the primary command used is /join+ #channelname
#
# Mappings for channels and servers are retrieved from irssi's internal
# /channel list
#
# Then use /join+ #foo, and if you are not already connected to freenode, it
# will connect you, and then join that channel.
# TODO:
# address conflict resolution
# fix that disgusting race condition
# Fix incredibly slow shutdown time after a few days
use strict;
use warnings;
use Irssi;
use Irssi::Irc;
use Irssi::TextUI;
use Data::Dumper;
my $DEBUG_ENABLED = 0;
sub DEBUG () { $DEBUG_ENABLED }
sub _debug_print {
return unless DEBUG;
return unless scalar (grep { defined && length } @_) == @_;
my $win = Irssi::active_win;
my $str = join('', @_);
$win->print($str, Irssi::MSGLEVEL_CLIENTCRAP);
}
our $VERSION = '0.1';
our %IRSSI = (
authors => 'shabble, richo',
contact => 'richo@psych0tik.net',
name => 'auto-join-ng',
description => 'connects to a specified server in order to connect' .
' to a channel there, without having first to' .
' connect to the server',
license => 'Public Domain',
);
my $channel_map = {};
my @hack_channels;
my $pending_joins;
sub auto_server_init {
Irssi::command_bind('join+', \&join_plus);
Irssi::settings_add_str('join_plus', 'joinplus_server_maps', '');
Irssi::signal_add_last('setup changed', \&setup_changed);
Irssi::settings_add_bool('join_plus', 'join_plus_debug', 0);
setup_changed();
$pending_joins = {};
}
sub setup_changed {
$DEBUG_ENABLED = Irssi::settings_get_bool('join_plus_debug');
parse_channel_map();
}
# This is a tremendous kludge.
# If anyone knows a better way to get this listing, I'd like to hear it.
# This has so many race condition bugs I just don't even know where to start.
sub retrieve_channels {
@hack_channels = ();
Irssi::signal_add_first('print text', 'haxy_print_hook');
Irssi::command("CHANNEL LIST");
Irssi::signal_remove('print text', 'haxy_print_hook');
return join(" ", @hack_channels);
}
# The idea for how to do this courtesy of http://wouter.coekaerts.be/site/irssi/aliases
sub haxy_print_hook {
Irssi::signal_remove('print text', 'haxy_print_hook');
Irssi::signal_stop();
my $data = $_[1];
# Hose control characters
$data =~ s/\x04.//g;
if ($data =~ m/^[#&!]/) {
my @items = split /\s+/, $data;
push(@hack_channels, $items[0]);
push(@hack_channels, $items[1]);
}
Irssi::signal_add_first('print text', 'haxy_print_hook');
}
sub parse_channel_map {
#my $data = Irssi::settings_get_str('joinplus_server_maps');
my $data = retrieve_channels();
unbind_completion();
my @items = split /\s+/, $data;
if (@items % 2 == 0) {
$channel_map = { @items }; # risky?
} else {
Irssi::active_win->print("Could not process channel => server mappings");
$channel_map = {};
}
#_debug_print Dumper($channel_map);
bind_completion();
}
sub bind_completion {
foreach(%$channel_map) {
Irssi::command_bind("join+ $_", \&join_plus);
}
}
sub unbind_completion {
foreach(%$channel_map) {
Irssi::command_unbind("join+ $_", \&join_plus);
}
}
sub join_plus {
my ($args, $cmd_server, $witem) = @_;
#print Dumper($cmd, "moo", $win);
# parse out channel name from args:
my $channel;
if ($args =~ m/^([#&!]?[^ ]*)/) {
$channel = $1;
_debug_print ("Channel is: $channel");
}
unless ($channel) {
Irssi::active_win()->print("Channel $args not recognised");
return;
}
# lookup server
my $server_id = $channel_map->{$channel};
_debug_print($server_id);
unless ($server_id) {
Irssi::active_win()->print("Channel $channel does not have an"
. " appropriate server mapping");
return;
}
# TODO: search values() and give a 'did you mean' for closest channel
# TODO: Fuzzy match for ## channels (Would be nice to hax at teh tab
# completion too)
# check if we're connected to that server
my $server = Irssi::server_find_tag($server_id);
if (not defined $server) {
$server = Irssi::server_find_chatnet($server_id);
}
if (not defined $server) {
# still no server, walk the server list looking for address matches.
my @servers = Irssi::servers();
foreach my $srv (@servers) {
if (($srv->{address} eq $server_id) or
($srv->{real_address} eq $server_id)) {
$server = $srv;
last;
}
}
}
if (defined $server) {
_debug_print ("Already connected to server: " . $server->{tag} );
# check if we're already on the required channel
my $on_channel = $server->channel_find($channel);
# FIXME
# Should this be $on_channel? Need docs..
if (defined $channel && ref($channel) eq 'Irssi::Irc::Channel') {
Irssi::active_win()->print("You are already connected to "
. " $channel on " . $server->{tag});
return;
} else {
_debug_print ("joining channel: $channel");
$server->command("JOIN $channel");
}
} else {
# not connected to server.
_debug_print ("connecting to server: $server_id");
Irssi::command("CONNECT $server_id");
_debug_print ("awaiting connection for join");
$pending_joins->{$server_id} = $channel;
# This comes tumbling down if the server doesn't have a MOTD.
# is that RFC required?
Irssi::signal_add_last("event 376", 'do_channel_join');
}
}
sub do_channel_join {
Irssi::signal_remove("event 376", 'do_channel_join');
my ($serv) = @_;
#_debug_print("server is " . Dumper($serv));
_debug_print(sprintf("server is %s (%s)", $serv->{address}, $serv->{tag}));
my $channel = $pending_joins->{$serv->{address}};
$channel = $pending_joins->{$serv->{tag}} unless $channel;
if ($channel) {
_debug_print ("attempting to join $channel");
Irssi::server_find_tag($serv->{tag})->command("JOIN $channel");
delete $pending_joins->{$serv->{address}};
delete $pending_joins->{$serv->{tag}};
}
}
auto_server_init();
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