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#! /bin/sh -e
### BEGIN INIT INFO
# Provides:           snmpd snmptrapd
# Required-Start:     $network $local_fs
# Required-Stop:      $network $local_fs
# Default-Start:      2 3 4 5
# Default-Stop:       0 6
# Short-Description:  SNMP agents
# Description:        NET SNMP (Simple Network Management Protocol) Agents
### END INIT INFO
#
# Author:    Jochen Friedrich <jochen@scram.de>
#
set -e

export PATH=/sbin:/usr/sbin:/bin:/usr/bin

test -x /usr/sbin/snmpd || exit 0
test -x /usr/sbin/snmptrapd || exit 0

# Defaults
export MIBDIRS=/usr/share/snmp/mibs
SNMPDRUN=yes
SNMPDOPTS='-Lsd -Lf /dev/null -p /var/run/snmpd.pid 127.0.0.1'
TRAPDRUN=no
TRAPDOPTS='-Lsd -p /var/run/snmptrapd.pid'

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

ssd_oknodo="-o"
ssd_oknodo=""

# Cd to / before starting any daemons.
cd /

# Create compatibility link to old AgentX socket location
if [ "$SNMPDCOMPAT" = "yes" ]; then
  ln -sf /var/agentx/master /var/run/agentx
fi

case "$1" in
  start)
    echo -n "Starting network management services:"
    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
	start-stop-daemon -q -S -x /usr/sbin/snmpd \
	    -- $SNMPDOPTS
	echo -n " snmpd"
    fi
    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
	start-stop-daemon -q -S -x /usr/sbin/snmptrapd \
	    -- $TRAPDOPTS
	echo -n " snmptrapd"
    fi
    echo "."
    ;;
  stop)
    echo -n "Stopping network management services:"
    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmpd
    echo -n " snmpd"
    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmptrapd
    echo -n " snmptrapd"
    echo "."
    ;;
  restart)
    echo -n "Restarting network management services:"
    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmpd
    start-stop-daemon -q -K $ssd_oknodo -x /usr/sbin/snmptrapd
    # Allow the daemons time to exit completely.
    sleep 2
    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
	start-stop-daemon -q -S -x /usr/sbin/snmpd -- $SNMPDOPTS
	echo -n " snmpd"
    fi
    if [ "$TRAPDRUN" = "yes" -a -f /etc/snmp/snmptrapd.conf ]; then
	# Allow snmpd time to start up.
	sleep 1
	start-stop-daemon -q -S -x /usr/sbin/snmptrapd -- $TRAPDOPTS
	echo -n " snmptrapd"
    fi
    echo "."
    ;;
  reload|force-reload)
    echo -n "Reloading network management services:"
    if [ "$SNMPDRUN" = "yes" -a -f /etc/snmp/snmpd.conf ]; then
        start-stop-daemon -q -K -s 1 \
	    -p /var/run/snmpd.pid -x /usr/sbin/snmpd
	echo -n " snmpd"
    fi
    echo "."
    ;;
  *)
    echo "Usage: /etc/init.d/snmpd {start|stop|restart|reload|force-reload}"
    exit 1
esac

exit 0