#! /bin/bash
#
# chkconfig: 2345 20 50
# description: vnStat - a lightweight network traffic monitor
# processname: vnstatd
# config: /etc/vnstat.conf

### BEGIN INIT INFO
# Provides:          vnstat
# Required-Start:    $local_fs $remote_fs $network
# Required-Stop:     $local_fs $remote_fs $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: lightweight network traffic monitor
### END INIT INFO

# First reset status of this service
. /etc/rc.status
rc_reset

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status

# Source function library for OpenSuse
if ! . /etc/sysconfig/network/scripts/functions 2>/dev/null; then
	echo -n "Network: file /etc/sysconfig/network/scripts/functions is missing."
	rc_failed
	rc_status -v
	rc_exit
fi

# Return values acc. to LSB for all commands but status:
# 0 - success
# 1 - generic or unspecified error
# 2 - invalid or excess argument(s)
# 3 - unimplemented feature (e.g. "reload")
# 4 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running

VNSTATD_BIN=/usr/sbin/vnstatd
test -x $VNSTATD_BIN || exit 5

VNSTATD_BIN_CONFIG=/etc/vnstat.conf
test -f $VNSTATD_BIN_CONFIG || exit 6

prog=vnstatd
VNSTATD_PIDFILE=/var/run/vnstat.pid

start()
{
	echo -n $"Starting $prog: "
	# NOTE: start_daemon return 0, even if service is 
	# already running to match LSB spec.
	start_daemon -p $VNSTATD_PIDFILE $VNSTATD_BIN --daemon
	# Remember status and be verbose
	rc_status -v
}

stop()
{
	echo -n $"Shutting down $prog: "
	## Stop daemon with killproc(8) and if this fails
	## set echo the echo return value.
	killproc -p $VNSTATD_PIDFILE -TERM $VNSTATD_BIN
	# Remember status and be verbose
	rc_status -v
}

reload()
{
	echo -n $"Reloading $prog configuration: "
	killproc -p $VNSTATD_PIDFILE -HUP $VNSTATD_BIN
	rc_status -v
}

case "$1" in
	start)
		start
		;;
	stop)
		stop
		;;
	reload)
		reload
		;;
	restart)
		stop
		start
		;;
	try-restart)
		if [ -f $VNSTATD_PIDFILE ]; then
			stop
			start
		fi
		;;
	force-reload)
		reload || (stop; start)
		;;
	status)
		echo -n "Checking for vnStat daemon (vnstatd): "
		## Check status with checkproc(8), if process is running
		## checkproc will return with exit status 0.

		# Status has a slightly different for the status command:
		# 0 - service running
		# 1 - service dead, but /var/run/  pid  file exists
		# 2 - service dead, but /var/lock/ lock file exists
		# 3 - service not running
		checkproc -p $VNSTATD_PIDFILE $VNSTATD_BIN
		rc_status -v
	;;
	*)
		echo $"Usage: $0 {start|stop|reload|force-reload|restart|try-restart|status}"
		rc_status -v
esac

rc_exit