#! /bin/sh
# Copyright (c) 1996-2002 SuSE GmbH Nuernberg, Germany.  All rights reserved.
#
# Author: Christopher Mahmood <ckm+snmp@suse.de>, Remo Behn <ray+snmp@suse.de>
#
# /etc/init.d/snmpd
#
### BEGIN INIT INFO
# Provides:            ucdsnmp snmp
# Required-Start:      $network
# Required-Stop:
# Default-Start:       2 3 5
# Default-Stop:        0 1 6
# Description:         start ucd-snmpd
### END INIT INFO

SNMPD=/usr/sbin/snmpd
AGENTDIR=/usr/lib/ucd-snmp/agents
SNMPDCONF=/etc/snmpd.conf

test -x $SNMPD || exit 5

# 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_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First reset status of this service
rc_reset

# 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
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

# check whether to enable agentx support and get list of installed
# agents
get_agents()
{
  agents=
  agentargs=''
  for agent in $AGENTDIR/*; do
    test -x $agent || continue
    agents="$agents $agent"
    agentargs="-x /var/run/agentx/master"
  done
} 

case "$1" in
    start)
	# move deprecated conf file name
	if test -f /etc/ucdsnmpd.conf
	then
	  echo "Moving /etc/ucdsnmpd.conf to /etc/snmpd.conf"
	  if test -f /etc/snmpd.conf; then
	    echo "Existing /etc/snmpd.conf will be saved to /etc/snmpd.conf.initsave"
	    mv /etc/snmpd.conf /etc/snmpd.conf.initsave
	  fi
	  mv /etc/ucdsnmpd.conf /etc/snmpd.conf && \
	     echo "Contents moved to /etc/snmpd.conf by /etc/init.d/snmpd." > \
	     /etc/ucdsnmpd.conf.README
	fi 

	echo -n "Starting snmpd"
	get_agents
        startproc $SNMPD -c $SNMPDCONF -r -A -l /var/log/ucd-snmpd.log -P /var/run/snmpd.pid $agentargs
	rc_status -v
	rc_reset

	# start all agents
	if test -n $agents; then
	  for agent in $agents; do
            echo -en "\tStarting `basename $agent`"
	    startproc -t1 $agent 
	    rc_status -v ; rc_reset
          done
	fi
	;;
    stop)
	echo -n "Shutting down snmpd:"
	killproc -TERM $SNMPD
	rc_status -v ; rc_reset
	# we also need to make sure all agents die
	if test -n $agents; then
          for agent in $AGENTDIR/*; do
           test -x $agent || continue
	   echo -ne "\tShutting down `basename $agent`:"
           killproc $agent
	   rc_status -v ; rc_reset
        done
	fi
	;;
    try-restart)
	$0 status >/dev/null &&  $0 restart
	rc_status
	;;
    restart)
	$0 stop
	$0 start
	rc_status
	;;
    force-reload)
	echo -n "Reload service snmpd:"
	killproc -HUP $SNMPD
	rc_status -v
	;;
    reload)
	echo -n "Reload service snmpd:"
	killproc -HUP $SNMPD
	rc_status -v
	;;
    status)
	echo -n "Checking for service snmpd:"
	checkproc $SNMPD
	rc_status -v
	rc_reset

	get_agents
	if test -n $agents; then
	  echo -e "Checking for agents:"

	  for agent in $agents; do
            echo -en "\t`basename $agent`"
            checkproc $agent
            rc_status -v ; rc_reset
          done
	fi
	;;
    *)
	echo "Usage: $0 {start|stop|try-restart|restart|force-reload|reload|status}"
	exit 1
	;;
esac
rc_exit

