#!/usr/bin/perl -w
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Status Bot
#
# The Initial Developer of the Original Code is David D. Miller.
# Portions developed by David D. Miller are Copyright (C) 2002-3
# David D. Miller.  All Rights Reserved.
#
# Contributor(s): David Miller <justdave@syndicomm.com>
#                 Mark Smith <mark@qq.is>
#
use strict;
use Net::IRC;
use POSIX "sys_wait_h";
use Term::ANSIColor qw/ :constants /;
use Data::Dumper;
use Time::HiRes qw(usleep nanosleep);
use Config::Simple;

#
# Get configuration file.
#
my $viviviConf = new Config::Simple("/etc/vivivi/vivivi.conf") or die "Missing configuration file.";
print "Configuration file loaded.\n";

#
#  Create the IRC and Connection objects
#
my $version = "BZBot v1.3 - Modified for use with Nagios.";
my $irc = new Net::IRC;
my $channel = $viviviConf->param("irc.channel");

#open IPADDR, "</etc/ipaddr";
#my $ipaddr = <IPADDR>;
#chomp ($ipaddr);
#close IPADDR;

# CONFIG: point this where your Nagios configuration files live
my $nagioslog = $viviviConf->param("nagios.log");
my $nagioscmd = $viviviConf->param("nagios.cmd");

open NAGIOS, "<$nagioslog" or die "failed to open $nagioslog: $!\n";
seek NAGIOS, 0, 2; # seek to end

my @cmdqueue = ();
my %ignore = ();
my $ACKCT = 0;
my @ACKS;

my $FLOOD_MAX = 5;
my $USLEEP_TIME = 1000000;

print "Creating connection to IRC server...\n";

my $conn;
while (!$conn) {
    # CONFIG: you have to tell us where to get on IRC
    $conn = $irc->newconn(Server   => $viviviConf->param("irc.server"),
                          Port     => $viviviConf->param("irc.port"),
                          SSL      => $viviviConf->param("irc.ssl"),
                          Nick     => $viviviConf->param("irc.nick"),
                          Ircname  => $viviviConf->param("irc.name"),
                          Username => $viviviConf->param("irc.username"))
	or print "Redialing...\n";
    sleep 1;
}

print "Connection created.\n";
$conn->debug(1);
my $laststat = time;
my $identified_to_nickserv = 0;

$::tagueule = 0;

#
#  Handler subs
#

# What to do when the bot successfully connects.
sub on_connect {
    my $self = shift;

    $identified_to_nickserv = 1;
    print "Joining $channel...\n";
    # FIXME: this is broken right now.  when this is re-added, it has to happen
    # before we try to join channels.
    #print "Identifying to NickServ...\n";
    $self->privmsg('nickserv', "identify ".$viviviConf->param("irc.password"));
#    $self->privmsg('nickserv',"VERIFY REGISTER vivivi kwvxbsmjjiam");

    # CONFIG: channels you want us to announce to ...
    $self->join($channel);
    #$self->join("#status");
}

# Handles some messages you get when you connect
sub on_init {
    my ($self, $event) = @_;
    my (@args) = ($event->args);
    shift (@args);
    
    print "*** @args\n";
}

# What to do when someone leaves a channel the bot is on.
sub on_part {
    my ($self, $event) = @_;
    my ($channel) = ($event->to)[0];

    printf "*** %s has left channel %s\n", $event->nick, $channel;
}

# What to do when someone joins a channel the bot is on.
sub on_join {
    my ($self, $event) = @_;
    my ($channel) = ($event->to)[0];
    my ($nick, $userhost) = ($event->nick, $event->userhost);

    printf "*** %s (%s) has joined channel %s\n",
    $nick, $userhost, $channel;
    &refresh ();
}

# What to do when we receive a private PRIVMSG.
sub on_msg {
    my ($self, $event) = @_;
    my ($nick) = $event->nick;
    my ($arg) = ($event->args);

    print "*$nick*  ", ($event->args), "\n";
    if ($arg =~ /Go away/i) {       # Tell him to leave, and he does.
        $self->quit("Yow!!");
        exit 0;
	# CONFIG: if you don't change this, anybody can restart your IRC bot at will
	# if they've seen this ...
    } elsif ($arg =~ /restart ya dope/) {
        $self->quit("Regrouping");
        exec $0;
    } else {
        $self->privmsg($nick, "Yo!");
    }
}

# What to do when we receive channel text.
sub on_public {
    my ($self, $event) = @_;
    my @to = $event->to;
    my ($nick, $mynick) = ($event->nick, $self->nick);
    my ($arg) = ($event->args);

    # Note that $event->to() returns a list (or arrayref, in scalar
    # context) of the message's recipients, since there can easily be
    # more than one.

    # FIXME: the logging gets spammy ... do we actually want to log to stdout?
    print "<$nick> $arg\n";

    $mynick =~ s/\[/\\[/g;
    $mynick =~ s/\]/\\]/g;
    print "My nick: $mynick\n";

    if ($arg =~ /^$mynick[,: ]/i || $arg =~ /^!/ ) {
        if ($arg =~ /^(?:$mynick[,: ]|!)\s*ignore (.+)\s*$/i) {
	    $ignore{$1} = 1;
	    $self->privmsg([ @to ], "$nick: ok, ignoring notifications about $1");
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*ignore$/i) {
	    if (keys %ignore) {
		foreach my $i (keys %ignore) {
		    $self->privmsg([ @to ], "$nick: ignoring $i");
		}
		$self->privmsg([ @to ], "$nick: end of list");
	    } else {
		$self->privmsg([ @to ], "$nick: I'm not currently ignoring any notifications");
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*unignore (.+)\s*$/i) {
	    if (!exists($ignore{$1})) {
		$self->privmsg([ @to ], "$nick: notifications about $1 weren't being ignored anyway.");
	    } else {
		delete $ignore{$1};
		$self->privmsg([ @to ], "$nick: ok, notifications about $1 no longer being ignored.");
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)+(?:\s*ack\s*)?(\d+)(?:\s*ack\s*)?[:\s]+([^:]+)\s*$/) {
	    open CMDPIPE,">",$nagioscmd;
	    my ( $host, $svc ) = @{ $ACKS[$1] || [ undef, undef ] };
	    if ( defined $host && defined $svc ) {
		$self->privmsg([ @to ], "$nick: ok, acknowledgment (if any) for $host:$svc has been added.");
		printf CMDPIPE "[%lu] ACKNOWLEDGE_SVC_PROBLEM;%s;%s;1;1;1;%s;%s\n",time(),$host,$svc,$nick,$2;
	    } elsif ( defined $host ) {
		printf CMDPIPE "[%lu] ACKNOWLEDGE_HOST_PROBLEM;%s;1;1;1;%s;%s\n",time(),$host,$nick,$2;
	    }
	    close CMDPIPE;
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*ack ([^:]+):([^:]+)\s*$/) {
	    open CMDPIPE,">",$nagioscmd;
	    printf CMDPIPE "[%lu] ACKNOWLEDGE_HOST_PROBLEM;%s;1;1;1;%s;%s\n",time(),$1,$nick,$2;
	    close CMDPIPE;
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*ack ([^:]+):([^:]+):([^:]+)\s*$/) {
	    open CMDPIPE,">",$nagioscmd;
	    printf CMDPIPE "[%lu] ACKNOWLEDGE_SVC_PROBLEM;%s;%s;1;1;1;%s;%s\n",time(),$1,$2,$nick,$3;
	    close CMDPIPE;
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*unack (\d+)$/) {
	    open CMDPIPE,">",$nagioscmd;
	    my ( $host, $svc ) = @{ $ACKS[$1] || [ undef, undef ] };
	    if ( defined $host && defined $svc ) {
		printf CMDPIPE "[%lu] REMOVE_SVC_ACKNOWLEDGEMENT;%s;%s\n",time(),$host,$svc;
		$self->privmsg([ @to ], "$nick: ok, acknowledgment (if any) for $host:$svc has been removed.");
	    } elsif ( defined $host ) {
		printf CMDPIPE "[%lu] REMOVE_HOST_ACKNOWLEDGEMENT;%s\n",time(),$host;
		$self->privmsg([ @to ], "$nick: ok, acknowledgment (if any) for $host has been removed.");
	    }
	    close CMDPIPE;
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*unack ([^:]+)\s*$/) {
	    open CMDPIPE,">",$nagioscmd;
	    printf CMDPIPE "[%lu] REMOVE_HOST_ACKNOWLEDGEMENT;%s\n",time(),$1;
	    close CMDPIPE;
	    $self->privmsg([ @to ], "$nick: ok, acknowledgment (if any) for $1 has been removed.");
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*unack ([^:]+):([^:]+)\s*$/) {
	    open CMDPIPE,">",$nagioscmd;
	    printf CMDPIPE "[%lu] REMOVE_SVC_ACKNOWLEDGEMENT;%s;%s\n",time(),$1,$2;
	    close CMDPIPE;
	    $self->privmsg([ @to ], "$nick: ok, acknowledgment (if any) for $1:$2 has been removed.");
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*status\s*$/) {
	    my @lines = ();
	    open CMDPIPE,"-|","/usr/sbin/icingastats -m -d NUMSVCWARN,NUMSVCCRIT,NUMSVCUNKN";
	    while (<CMDPIPE>) {
		chomp;
		push @lines, $_;
	    }
	    close CMDPIPE;
	    my @prefix = ( 'Warn', 'Critical', 'Unknown' );
	    my $i = 0;
	    foreach my $line (@lines) {
		$self->privmsg([ @to ], "$nick: ".$prefix[$i++].": $line");
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*help/i) {
	    $self->privmsg([ @to ], "$nick: You're right, I need help!");
	    $self->privmsg([ @to ], "$nick: supported commands: ignore, unignore, ack, unack, chut, list, refresh, recheck, help");
        } elsif ($arg =~ /(?:hey|hi|hello|yo)(?:\.|,|\!|\s_)/i) {
	    $self->privmsg([ @to ], "Yo, $nick!");
        } elsif ($arg =~ /(?:$mynick[,: ]|!)\s*ta\s*g(:?ueu|o)le/i || 
		 $arg =~ /(?:$mynick[,: ]|!)\s*chut/i || 
		 $arg =~ /(?:$mynick[,: ]|!)\s*sieste/i ) {
	    if ( $::tagueule == 0 )
	    {
		$self->privmsg([ @to ], "$nick: d'accord je la ferme :-(");
		$::tagueule = 1;
		$self->nick('vivivi[zzz]');
	    }
	    else {
		$self->privmsg([ @to ], "$nick: je reviens et je ne suis pas content !");
		$::tagueule = 0;
		&adjust_nick ( $conn );
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*list\s*$/) {
	    &refresh ();
	    my $msg;
	    if( scalar @ACKS == 0 or scalar @ACKS == 1) {
		$msg = "%d probleme enregistre";
	    } else {
		$msg = "%d problemes enregistres";
	    }
	    $conn->privmsg([ @to ], sprintf ( $msg, ( scalar @ACKS )) );
	    my $id = 0;
	    if ( scalar @ACKS > $FLOOD_MAX )
	    {
		my %resume;
		foreach ( @ACKS )
		{
		    my ( $host, $svc, $state, $content ) = @$_;
		    $resume { "$svc|$state" } = '' if ! $resume { "$svc|$state" };
		    $resume { "$svc|$state" } .= ", $host";
		}
		print Dumper %resume;
		if ( scalar keys %resume <= $FLOOD_MAX )
		{
		    foreach ( keys %resume )
		    {
			/(.*)\|(.*)/;
			my $svc = $1;
			my $state = $2;
			my $msg = $resume { $_ };
			$msg =~ s/^, //;
			$msg = sprintf ( "[%02d] %s: %s %s %s", 
					    ($id++), $svc, $msg,
					    ( index( $msg, ',' ) > -1 ? 'are' : 'is' ),
					    $state );
			usleep ( $USLEEP_TIME );
			$conn->privmsg([ @to ], $msg);
		    }
		}
		else
		{
		    my @megaresume;
		    foreach ( keys %resume )
		    {
			/(.*)\|(.*)/;
			my $svc = $1;
			my $state = $2;
			my @count = $resume { $_ } =~ /,/g;
			push @megaresume, sprintf ( "%s (%d)", $svc, scalar ( @count ) );
		    }
		    my $msg = join ", ", @megaresume;
		    usleep ( $USLEEP_TIME );
		    $conn->privmsg([ @to ], $msg);
		}
	    }
	    else
	    {
		foreach ( @ACKS )
		{
		    my ( $host, $svc, $state, $content ) = @$_;
		    my $msg = sprintf ( "[%02d] %s:%s is %s: %s", 
					($id++), $host, $svc, $state, $content );
		    usleep ( $USLEEP_TIME );
		    $conn->privmsg([ @to ], $msg);
		}
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*refresh\s*$/) {
	    &refresh ();
	    my $msg;
	    if( scalar @ACKS == 0 or scalar @ACKS == 1) {
		$msg = "%d probleme enregistre";
	    } else {
		$msg = "%d problemes enregistres";
	    }
	    $conn->privmsg([ @to ], sprintf ( $msg, ( scalar @ACKS )) );
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*recheck:?\s*(\d*)$/) {
	    if ( $ACKS[$1] )
	    {
		my ( $host, $svc ) = @{ $ACKS[$1] || [ undef, undef ] };
		open CMDPIPE,">",$nagioscmd;
		printf CMDPIPE "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%lu\n",time(),$host,$svc,time();
		printf "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%lu\n",time(),$host,$svc,time();
		close CMDPIPE;
		usleep ( $USLEEP_TIME );		
		$conn->privmsg([ @to ], sprintf ( "Recheck forcé pour %s: %s", $host, $svc ) );
	    	&refresh ();
	        my $msg;
	        if( scalar @ACKS == 0 or scalar @ACKS == 1) {
	            $msg = "%d probleme enregistre";
	        } else {
	            $msg = "%d problemes enregistres";
	        }
		usleep ( $USLEEP_TIME );		
		$conn->privmsg([ @to ], sprintf ( $msg, ( scalar @ACKS )) );
	    }
	    else
	    {
		$conn->privmsg([ @to ], sprintf ( "ID inconnu: %d", $1 ) );
	    }
        } elsif ($arg =~ /^(?:$mynick[,: ]|!)\s*recheck:?\s*all$/) {
	    #recheck all
    	    &refresh ();
	    my $msg;
	    if( scalar @ACKS == 0 or scalar @ACKS == 1) {
		$msg = "%d probleme enregistre";
	    } else {
		$msg = "%d problemes enregistres";
	    }
	    $conn->privmsg([ @to ], sprintf ( $msg, ( scalar @ACKS )) );
	    for my $i ( 0..(@ACKS-1) )
	    {
		next unless($ACKS[$i]);
		my ( $host, $svc ) = @{ $ACKS[$i] || [ undef, undef ] };;
		open CMDPIPE,">",$nagioscmd;
		printf CMDPIPE "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%lu\n",time(),$host,$svc,time();
		printf "[%lu] SCHEDULE_FORCED_SVC_CHECK;%s;%s;%lu\n",time(),$host,$svc,time();
		close CMDPIPE;
#		if ( scalar @ACKS <= $FLOOD_MAX )
#		{
#		    usleep ( $USLEEP_TIME );
#		    $conn->privmsg([ @to ], sprintf ( "Recheck forcé pour ack : %s du host %s: %s", $i, $host, $svc ) );
#		}
	    }
	    if ( scalar @ACKS > $FLOOD_MAX )
	    {
		usleep ( $USLEEP_TIME );
		$conn->privmsg([ @to ], sprintf ( "%d rechecks forcés", scalar @ACKS ) );
	    }
        } else {
	    $self->privmsg([ @to ], "Yo!");
        }
    }
}

# Prints the names of people in a channel when we enter.
sub on_names {
    my ($self, $event) = @_;
    my (@list, $channel) = ($event->args);    # eat yer heart out, mjd!

    # splice() only works on real arrays. Sigh.
    ($channel, @list) = splice @list, 2;

    print "Users on $channel: @list\n";
}

sub on_ping {
    my ($self, $event) = @_;
    $self->sl("PONG " . join(' ', ($event->args)));
}

sub on_pong {
    my ($self, $event) = @_;
    # don't really need to do anything, just update the time.
}

# Yells about incoming CTCP PINGs.
sub on_ctcpping {
    my ($self, $event) = @_;
    my $nick = $event->nick;

    $self->ctcp_reply($nick, join (' ', ($event->args)));
    print "*** CTCP PING request from $nick received\n";
}

# Yells about incoming CTCP VERSIONs.
sub on_ctcpversion {
    my ($self, $event) = @_;
    my $nick = $event->nick;

    $self->ctcp_reply($nick, join (' ', ($event->args, $version)));
    print "*** CTCP VERSION request from $nick received\n";
}

# Gives lag results for outgoing PINGs.
sub on_ping_reply {
    my ($self, $event) = @_;
    my ($args) = ($event->args)[1];
    my ($nick) = $event->nick;

    $args = time - $args;
    print "*** CTCP PING reply from $nick: $args sec.\n";
}

# Change our nick if someone stole it.
sub on_nick_taken {
    my ($self) = shift;
    my ($nick,$num) = $self->nick =~ /^(.+)(\d+)?$/;
    $num ||= 0;
    $self->nick($nick . ($num + 1));
}

# Display formatted CTCP ACTIONs.
sub on_action {
    my ($self, $event) = @_;
    my ($nick, @args) = ($event->nick, $event->args);

    print "* $nick @args\n";
}

# Reconnect to the server when we die.
sub on_disconnect {
    my ($self, $event) = @_;

    print "Disconnected from ", $event->from(), " (",
    ($event->args())[0], "). Attempting to reconnect...\n";
    $identified_to_nickserv = 0;
    while (!$self->connected) {
        $self->connect();
        if (!$self->connected) { print "Redialing...\n" }
    }
}

# Look at the topic for a channel you join.
sub on_topic {
}

sub on_notice {
    my ($self, $event) = @_;

    my @args = $event->args();

    # FIXME: the nickserv path is broken ...
    if ((lc($event->nick) eq "nickserv") && ($args[0] =~ "nickname is registered")) {
	#        print "Identifying to NickServ...\n";
	#        $self->privmsg('nickserv',"identify xxx");
    }

    # FIXME: the nickserv path is broken ...
    if ((lc($event->nick) eq "nickserv") && ($args[0] =~ "You are now identified")) {
        #nickserv identification successful, so let's join channels.
        $identified_to_nickserv = 1;
        print "Joining channels...\n";

        # CONFIG: channels that should be joined go here.
        $self->join($channel);
    }
}

sub ackable {
    my ( $host, $svc, $state, $msg ) = @_;
    return '' unless $state eq 'WARNING' || $state eq 'CRITICAL' || $state eq 'UNKNOWN' || $state eq 'DOWN';

    my $id = $ACKCT++ % 100;
    $ACKS[$id] = [ $host, $svc, $state, $msg ];
    return sprintf( '[%02d] ', $id );
}

sub refresh {
    $ACKCT=0;
    @ACKS=();
    open FILE, '/var/lib/icinga/status.dat' or die $!;
    while ( <FILE> )
    {
	if ( /^servicestatus/ )
	{
	    my %keys;
	    do
	    {
		$_ = <FILE>;
		chomp;
		$keys{$1} = $2 if ( /\s*([^=]*)=([^=]*)/ );
	    }
	    while ( $_ && ! /^}/ );
	    my @states = ( 'OK', 'WARNING', 'CRITICAL', 'UNKNOWN' );
	    $ACKS[$ACKCT++] = [ $keys{'host_name'}, $keys{'service_description'}, $states[$keys{'current_state'}], $keys{'plugin_output'} ] if $keys{'current_state'} > 0;
	}
    }
    close FILE;
}


print "Installing handler routines...";

$conn->add_global_handler('ping', \&on_ping);
$conn->add_global_handler('pong', \&on_pong);
$conn->add_handler('cping',     \&on_ctcpping);
$conn->add_handler('crping',    \&on_ping_reply);
$conn->add_handler('cversion',  \&on_ctcpversion);
$conn->add_handler('msg',       \&on_msg);
$conn->add_handler('public',    \&on_public);
$conn->add_handler('caction',   \&on_action);
$conn->add_handler('join',      \&on_join);
$conn->add_handler('part',      \&on_part);
#$conn->add_handler('topic',     \&on_topic);
$conn->add_handler('notopic',   \&on_topic);
$conn->add_handler('notice',    \&on_notice);

$conn->add_global_handler([ 251,252,253,254,302,255 ], \&on_init);
$conn->add_global_handler('disconnect', \&on_disconnect);
$conn->add_global_handler(376, \&on_connect);
$conn->add_global_handler(433, \&on_nick_taken);
$conn->add_global_handler(353, \&on_names);

print " done.\n";

my %C = (
    W => "\x0315",
    B => "\x032",
    G => "\x033",
    R => "\x034",
    O => "\x037",
    C => "\x0311",
    Y => "\x038",
    N => "\x0315",
    );

my $state_to_color = {
    OK => $C{G},
    WARNING => $C{Y},
    CRITICAL => $C{R},
    UNKNOWN => $C{C},
};

print "starting...\n";

my %renot; # { "host" or "host:service" => time_last_notification }
while (1) {
    $irc->do_one_loop();

    if ($identified_to_nickserv) {
	# CONFIG: change where we announce stuff here
	my @channels = ($channel);
	while (defined (my $line = <NAGIOS>)) {
	    print $line;
	    chomp($line);
	    next if $::tagueule;
	    if ($line =~ /^\[\d+\] (HOST|SERVICE) NOTIFICATION: (.+)$/) {
		my ($type, $msg) = ($1, $2);
		my ($who, $host, $service, $state, $how, $output);
		if ($type eq "HOST") {
		    ($who, $host, $state, $how, $output) = split(";",$msg,5);
		    next if exists $renot{$host} && $renot{$host} >= time() - 5;
		    $renot{$host} = time();

		    my $id = ackable($host,undef,$state,$output);
		    $msg = $state_to_color->{$state} . "$id$host is $state: $output";
		    &adjust_nick ( $conn );
		}
		else {
		    ($who, $host, $service, $state, $how, $output) = split(";",$msg,6);
		    next if exists $renot{"$host:$service"} && $renot{"$host:$service"} >= time() - 5;
		    $renot{"$host:$service"} = time();

		    my $id = ackable($host,$service,$state,$output);
		    $output =~ s/^\s*CRITICAL\s*:\s//gi;
		    $output =~ s/^\s*WARNING\s*:\s//gi;
		    $output =~ s/^\s*OK\s*:\s//gi;
		    $msg = $state_to_color->{$state} . "$id$host:$service is $state: $output";
		    &adjust_nick ( $conn );
		}
		$service ||= "";

		# alerts can be separated by who they're for (which group is getting it)
		#if ($who eq "mark") { push @channels, "#dw_ops", "#dw_work" }

		if ((!grep { $_ eq "$host:$service" } keys %ignore) &&
		    (!grep { $_ eq "$host" } keys %ignore)) {
		    $conn->privmsg($_,"$msg") foreach @channels;
		}
		#[1310493492] EXTERNAL COMMAND: SCHEDULE_HOST_DOWNTIME;gearmanworker-gearmanworker3;1310492897;1310500097;1;0;28800;stumble.barr;rebooting
	    } elsif ($line =~ /EXTERNAL COMMAND: SCHEDULE_HOST_DOWNTIME;(.+?);(\d+);(\d+);\d+;\d+;\d+;(.+?);(.+)$/) {
		my $ns = $3 - $2;
		$conn->privmsg($_, "Downtime (${ns}s) scheduled for host $1 by $4: $5")
		    foreach @channels;
	    } elsif ($line =~ /EXTERNAL COMMAND: SCHEDULE_SVC_DOWNTIME;(.+?);(.+?);(\d+);(\d+);\d+;\d+;\d+;(.+?);(.+)$/) {
		my $ns = $4 - $3;
		$conn->privmsg($_, "Downtime (${ns}s) scheduled for service $1: $2 by $5: $6")
		    foreach @channels;
	    } elsif ($line =~ /EXTERNAL COMMAND: (EN|DIS)ABLE_HOST_(SVC_)?NOTIFICATIONS;(.+)$/) {
		my $type = $2 ? 'All service' : 'Host';
		my $verb = $1 eq 'EN' ? "$C{G}enabled$C{N}" : "$C{R}disabled$C{N}";
		$conn->privmsg($_, "$type notifications $verb: $C{O}$3")
		    foreach @channels;
	    } elsif ($line =~ /EXTERNAL COMMAND: (EN|DIS)ABLE_(SVC_)?NOTIFICATIONS;(.+?);(.+)$/) {
		my $verb = $1 eq 'EN' ? "$C{G}enabled$C{N}" : "$C{R}disabled$C{N}";
		$conn->privmsg($_, "Service notifications $verb on $C{O}$3$C{N}: $C{O}$4")
		    foreach @channels;
	    } elsif ($line =~ /HOST DOWNTIME ALERT: (.+?);(.+?);/) {
		my $vb = { CANCELLED => 'been manually removed from', STOPPED => 'exited from', STARTED => 'entered' }->{$2};
		$conn->privmsg($_, "Host $C{O}$1$C{N} has $vb scheduled downtime.")
		    foreach @channels;
	    } elsif ($line =~ /SERVICE DOWNTIME ALERT: (.+?);(.+?);(.+?);/) {
		my $vb = { CANCELLED => 'been manually removed from', STOPPED => 'exited from', STARTED => 'entered' }->{$3};
		$conn->privmsg($_, "Service $C{O}$1$C{N}: $C{O}$2$C{N} has $vb scheduled downtime.")
		    foreach @channels;
	    }
	}

	if ((time - $laststat) > 30) {
	    # we don't want to constantly stat the file or we'll hammer the disk.
	    # keep it to once every 30 seconds.  Here we compare the inode of the
	    # file we have open and the file at the path we're expecting and see
	    # if they match.  If they don't, then the log has been rotated, so we
	    # close and reopen it to pick up the new logfile.  We also only do it
	    # if we don't read a line from the file, so that way we make sure
	    # actually gotten to the end of the current file before we check for
	    # a rotation.
	    $laststat = time;
	    if ((stat NAGIOS)[1] != (stat $nagioslog)[1]) {
		close NAGIOS;
		open NAGIOS, "<$nagioslog";
	    }
	    &adjust_nick ( $conn );
	}
    }
}


sub adjust_nick
{
    my ( $conn ) = @_;
    open CMDPIPE,"-|","/usr/sbin/icingastats -m -d NUMSVCWARN,NUMSVCCRIT,NUMSVCUNKN";
    my $count = 0;
    while (<CMDPIPE>) {
	$count += $_;
    }
    close CMDPIPE;
    if ( $::tagueule )
    {
	$conn->nick('vivivi[zzz]');
    }
    elsif ( $count > 0 )
    {
	$conn->nick(sprintf('vivivi[%d]', $count));
    }
    else
    {
	$conn->nick('vivivi');
    }
}