#! /bin/sh
### BEGIN INIT INFO
# Provides:          opennhrp
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: RFC 2332 2333 daemon
# Description:       This file suports one instance of opennhrp
### END INIT INFO


PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Next Hop Resolution Protocol"
NAME=opennhrp
DAEMON=/usr/sbin/$NAME
PIDPATH=/var/run
PIDFILE=$PIDPATH/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
CTRLPATH=/var/run
CTRLPIPE=$CTRLPATH/$NAME.socket
HOOK_DIR=/etc/commit/post-hooks.d
NHRP_HOOK=$HOOK_DIR/vyatta-nhrp-hook

CONFFILE=/etc/opennhrp/opennhrp.conf
SCRIPTFILE=/etc/opennhrp/opennhrp-script

DAEMON_ARGS=" -d -v -a $CTRLPIPE -c $CONFFILE -s $SCRIPTFILE -p $PIDFILE"
# -a /var/run/opennhrp/ctrl -c /etc/opennhrp/opennhrp.conf  -s /etc/opennhrp/opennhrp-script -d  -p /var/run/opennhrp/pid

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Exclude from systemd
SYSTEMCTL_SKIP_REDIRECT=yes

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{	
	mkdir -p $PIDPATH
	mkdir -p $CTRLPATH
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null
	RETVAL=$?
	if [ ! $RETVAL -eq 0 ]; then return $RETVAL; fi
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- $DAEMON_ARGS
	return $?
}

#
# Function that stops the daemon/service
#
do_stop()
{
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
	rm -f $PIDFILE
	return $?
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE
	return $?
}

#
# Function that makes preparations for starting opennhrp
#
do_prepare() {
	if [ -d $HOOK_DIR ] && [ ! -f $NHRP_HOOK ]; then
	touch $NHRP_HOOK
	chmod 755 $NHRP_HOOK
	cat <<SCRIPT_EOF >>$NHRP_HOOK
#!/bin/sh
NHRP_UP=/opt/vyatta/sbin/vyatta-update-nhrp.pl
if [ -f \$NHRP_UP ]; then
sudo \$NHRP_UP --post_commit
fi
SCRIPT_EOF
	fi
}

case "$1" in
  start)
	log_daemon_msg "Preparing $DESC" "$NAME"
	do_prepare
	RETVAL=$?
	log_end_msg $RETVAL
	;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	RETVAL=$?
	log_end_msg $RETVAL
	;;
  reload|force-reload)
	if [ -e $PIDFILE ]; then
		log_daemon_msg "Reloading $DESC" "$NAME"
		do_reload
		RETVAL=$?
		log_end_msg $RETVAL
	else
		log_daemon_msg "Starting $DESC" "$NAME"
		do_start
		RETVAL=$?
		log_end_msg $RETVAL
	fi
	;;
  restart)
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
        RETVAL=$?
	if [ ! $RETVAL -eq 0 ]; then exit $RETVAL; fi
	sleep 1
	do_start
	RETVAL=$?
	log_end_msg $RETVAL
	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|restart|reload}" >&2
	exit 3
	;;
esac

#exit with return code of the last command
exit $RETVAL
: