#!/bin/sh
#
# Zabbix agent start/stop script.
#
# Copyright (C) 2000-2019 Zabbix SIA

### BEGIN INIT INFO
# Provides:          zabbix-agentd
# Required-Start:    $remote_fs $network
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Zabbix Agent Daemon
# Description:       Network monitoring daemon
### END INIT INFO

# define LSB log_* functions.
. /lib/lsb/init-functions

NAME=zabbix_agentd
DAEMON=/usr/local/sbin/${NAME}
DESC="Zabbix agent daemon"
PID=/tmp/$NAME.pid
RUNDIR=/var/run/zabbix

test -f $DAEMON || exit 0

if [ ! -d $RUNDIR ]; then
	mkdir $RUNDIR
	chown zabbix.zabbix $RUNDIR
fi

do_start() {
	start-stop-daemon --start --oknodo --pidfile $PID --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --oknodo --pidfile $PID --exec $DAEMON \
		|| return 2
}

do_stop() {
	start-stop-daemon --stop --quiet --pidfile $PID --retry=TERM/10/KILL/5 && return 0
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	start-stop-daemon --stop --oknodo --exec $DAEMON --name $NAME --retry=TERM/10/KILL/5
	[ "$?" = 2 ] && return 2
	rm -f $PIDFILE
	return "$RETVAL"
}

case "$1" in
  start)
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
	;;
  restart|force-reload)
  	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
		# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	N=/etc/init.d/$NAME
	echo "Usage: $N {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

exit 0