#! /bin/sh
# /etc/init.d/snmpd: start snmp daemon.
. /etc/init.d/functions

# Linux Standard Base (LSB) Error Codes
RETVAL=0
GENERIC_ERROR=1
INVALID_ARGS=2
NOT_RUNNING=3
NOT_INSTALLED=5

#set environment variables
export SNMPCONFPATH=/etc/snmp
export MIBDIRS=/usr/share/snmp/mibs

SNMPDOPTS='oamcontroller -u snmpd -LS6d -Lf /dev/null -p /var/run/snmpd.pid'
PIDFILE=/var/run/snmpd.pid
SNMPTRAPDCONFIG=${SNMPCONFPATH}/snmpdtrapd.conf
SNMPDCONFIG=${SNMPCONFPATH}/snmpd.conf
SNMPDNAME=snmpd 
SNMPD="/usr/sbin/${SNMPDNAME}"

test -x ${SNMPD} || exit ${NOT_INSTALLED}

# Reads config file (will override defaults above)
[ -r /etc/default/snmpd ] && . /etc/default/snmpd

case "$1" in
  start)
	echo -n "Starting network management services: "
	status ${SNMPD} >/dev/null
        if [ $? -eq 0 ]; then
		echo -n "is already running "
		RETVAL=0
	elif [ -f ${SNMPDCONFIG} ]; then
		start-stop-daemon -o --start --quiet --name ${SNMPDNAME} --pidfile "$PIDFILE" \
		--exec ${SNMPD} -- ${SNMPDOPTS}
		RETVAL=$?
	else
		logger "${SNMPDCONFIG} is missing"
		RETVAL=${GENERIC_ERROR}
	fi
	if [ ${RETVAL} -eq 0 ] ; then
		pid=`pidof ${SNMPDNAME}`
		echo "OK"
		logger "${SNMPDNAME} (${pid})"
	else
		echo "FAIL"
		RETVAL=${GENERIC_ERROR}
	fi

    ;;
  stop)
	status ${SNMPD} >/dev/null
	if [ $? -ne 0 ]; then
		echo "$SNMPDNAME is not running"
		RETVAL=0
	else 
		echo -n "Stopping network management services "
		killproc ${SNMPDNAME}
		if [ -n "`pidof ${SNMPDNAME}`" ] ; then
			logger "Going to SIGKILL ${SNMPDNAME}"
        		killproc -KILL ${SNMPDNAME}
		fi
		/bin/rm -rf $PIDFILE
		status ${SNMPD} >/dev/null
        	if [ $? -ne 0 ]; then
                	echo "Stopped"
                	RETVAL=0
        	else
			echo "Failed"
			RETVAL=${GENERIC_ERROR} 
		fi
	fi
    ;;
  status)
	status ${SNMPD} >/dev/null 
	RETVAL=$?
	if  [ ! ${RETVAL} -eq 0 ] ; then
		RETVAL=${NOT_RUNNING}
	fi

    ;;
  restart|reload|force-reload)
	$0 stop
	sleep 1 
	$0 start

    ;;
  *)
	echo "Usage: /etc/init.d/snmpd {start|stop|status|restart|reload|force-reload}"
	exit ${GENERIC_ERROR}
esac

exit $RETVAL