#!/bin/sh
#
# ngIRCd start and stop script for Debian-based systems
# Copyright 2008-2010 Alexander Barton <alex@barton.de>
#

### BEGIN INIT INFO
# Provides:		ngircd
# Required-Start:	$network $remote_fs
# Required-Stop:	$network $remote_fs
# Should-Start:		$syslog $named
# Should-Stop:		$syslog
# Default-Start:	2 3 4 5
# Default-Stop:		0 1 6
# Short-Description:	Next Generation IRC Server
# Description:		IRC daemon written from scratch
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/ngircd
NAME=ngIRCd
DESC="IRC daemon"
PARAMS=""
STARTTIME=1
DIETIME=10

test -x $DAEMON || exit 5

test -h "$0" && me=`readlink $0` || me="$0"
BASENAME=`basename $me`

test -r /etc/default/$BASENAME && . /etc/default/$BASENAME

# LSB compatibility functions that become used if there is no local
# include file available.
log_daemon_msg() {
	echo -n "$*"
}
log_end_msg() {
	[ "$1" == "0" ] && echo "." || echo " failed!"
}
log_failure_msg() {
	echo "$*"
}
log_warning_msg() {
	log_failure_msg "$*"
}

# Include LSB functions, if available:
test -r /lib/lsb/init-functions && . /lib/lsb/init-functions

PIDFILE=`$DAEMON $PARAMS -t | tr -d ' ' | grep "^PidFile=" | cut -d'=' -f2`
[ -n "$PIDFILE" ] || PIDFILE="/var/run/ircd/ngircd.pid"

r=3

Check_Config()
{
	# Make sure that the configuration of ngIRCd is valid:
	$DAEMON $PARAMS --configtest >/dev/null 2>&1
	[ $? -eq 0 ] && return 0
	log_end_msg 1
	log_failure_msg "Configuration of $NAME is not valid, won't (re)start!"
	log_failure_msg "Run \"$DAEMON --configtest\" and fix it up ..."
	exit 6
}

Prepare() {
	# Make sure the PID file directory exists and is writable:
	user=`$DAEMON $PARAMS -t|tr -d ' '|grep "^ServerUID="|cut -d'=' -f2`
	group=`$DAEMON $PARAMS -t|tr -d ' '|grep "^ServerGID="|cut -d'=' -f2`
	piddir=`dirname "$PIDFILE"`
	[ -d "$piddir" ] || mkdir -p "$piddir" 2>/dev/null
	chown "$user:$group" "$piddir" 2>/dev/null
	[ $? -eq 0 ] && return 0
	log_end_msg 1
	log_failure_msg "Failed to prepare '$piddir' for user '$user'!"
	exit 1
}

Do_Start() {
	if Do_Status; then
		log_end_msg 0
		log_warning_msg "$NAME seems to be already running, nothing to do."
		exit 0
	fi
	start-stop-daemon --start \
		--quiet --exec $DAEMON -- $PARAMS
	sleep $STARTTIME
	Do_Status || return 7
	return 0
}

Do_Stop() {
	if ! Do_Status; then
		log_end_msg 0
		log_warning_msg "$NAME seems not to be running, nothing to do."
		exit 0
	fi
	Do_ForceStop
	return $?
}

Do_ForceStop() {
	[ -e $PIDFILE ] \
		&& pidfile="--pidfile $PIDFILE" \
		|| pidfile=""
	start-stop-daemon --stop \
		--quiet --oknodo --exec $DAEMON $pidfile
	for i in `seq 1 $DIETIME`; do
		Do_Status || return 0
		sleep 1
	done
	return 1
}

Do_Reload() {
	start-stop-daemon --stop --signal 1 --quiet --exec $DAEMON
	return $?
}

Do_Status() {
	[ -e $PIDFILE ] \
		&& pidfile="--pidfile $PIDFILE" \
		|| pidfile=""
	start-stop-daemon --stop \
		--quiet --signal 0 --exec $DAEMON $pidfile >/dev/null
	return $?
}

case "$1" in
  start)
	log_daemon_msg "Starting $DESC" "$NAME"
	Check_Config
	Prepare
	Do_Start; r=$?
	log_end_msg $r
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	Do_Stop; r=$?
	log_end_msg $r
	;;
  reload|force-reload)
	log_daemon_msg "Reloading $DESC" "$NAME"
	Check_Config
	Do_Reload; r=$?
	log_end_msg $r
	;;
  restart)
	log_daemon_msg "Restarting $DESC" "$NAME"
	Check_Config
	Prepare
	Do_ForceStop
	Do_Start; r=$?
	log_end_msg $r
	;;
  status)
	log_daemon_msg "Checking for $DESC" "$NAME"
	Do_Status; r=$?
	log_end_msg $r
	;;
  test)
	Check_Config
	echo "Configuration of $DAEMON seems to be ok."; r=0
	;;
  *)
	N=/etc/init.d/$NAME; r=2
	echo "Usage: $N {start|stop|restart|reload|force-reload|status|test}" >&2
	;;
esac

exit $r

# -eof-