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|
#!/bin/sh
#
# snmpd-ucd.sh
#
# Start UCD SNMP daemon and trap catcher. Backup the log file *first*
# since currently the daemon truncates and overwrites any pre-existing file.
#
# killproc() and pidofproc() lifted from Linux's /etc/init.d/functions.
#
# NOTE: Solaris users must uncomment the proper PSARGS definition below. XXX
#
USAGE="Usage: `basename $0` start|stop|restart"
#------------------------------------ -o-
# Globals.
#
DAEMONLOG=/var/log/snmpd.log
TRAPLOG=/var/log/snmptrapd.log
LOGDIR=/var/log/SNMPDLOGS
D=".`date '+%h%d_%H%M' | sed 's/\([a-z]\)0/\1/' | tr 'A-Z' 'a-z'`"
PSARGS=auwwx
#PSARGS=-ef # Solaris.
DEBUGFLAG= # -D # Toggles use of debugging
#------------------------------------ -o-
# Function definitions.
#
killproc() { # <program> [signal]
base=
killlevel="-9"
notset=1
pid=
#
# Parse.
#
[ $# = 0 ] && {
echo "`basename $0`: Wrong arguments to killproc()." 1>&2
return 1
}
base="`basename $1`"
[ -n "$2" ] && {
killlevel=$2
notset=0
}
#
# Kill process.
#
pid=`pidofproc $base 2>/dev/null`
[ -z "$pid" ] && {
pid=`ps $PSARGS | egrep $base | egrep -v egrep | egrep -v $0 | awk '{ print $2 }'`;
}
[ -z "$pid" ] && {
echo "`basename $0`: killproc: Could not find process ID."
}
[ -n "$pid" ] && {
echo -n "$base "
#
# Kill with -TERM then -KILL by default. Use given
# instead if one was passed in.
#
[ "$notset" = 1 ] && {
kill -TERM $pid
sleep 1
[ -n "`ps $PSARGS |
awk '{print $2}' | grep $pid`" ] && {
sleep 3
kill -KILL $pid
}
true
} || {
kill $killlevel $pid
}
}
rm -f /var/run/$base.pid
} # end killproc()
pidofproc() { # <program>
pid=
[ $# = 0 ] && {
echo "`basename $0`: Wrong argument to pidofproc()." 1>&2
return 1
}
#
# Try looking for a /var/run file.
#
[ -f /var/run/$1.pid ] && {
pid=`head -1 /var/run/$1.pid`
[ -n "$pid" ] && {
echo $pid
return 0
}
}
#
# Try pidof. (Linux offering.)
#
pid=`pidof $1`
[ -n "$pid" ] && {
echo $pid
return 0
}
#
# Try ps.
#
ps $PSARGS | awk ' BEGIN { prog=ARGV[1]; ARGC=1 }
{ if ((prog == $11) ||
(("(" prog ")") == $11) ||
((prog ":") == $11))
{
print $2
}
}' $1
} # end pidofproc()
#------------------------------------ -o-
# Action.
#
case "$1" in
start)
echo "Starting SNMP. "
cp $DAEMONLOG ${DAEMONLOG}$D
cp $TRAPLOG ${TRAPLOG}$D
cat /dev/null >$TRAPLOG
[ ! -e $LOGDIR ] && mkdir $LOGDIR
mv ${DAEMONLOG}$D ${TRAPLOG}$D $LOGDIR
gzip -r $LOGDIR 2>/dev/null &
snmpd -a -d -V $DEBUGFLAG
snmptrapd -Lf "$TRAPLOG"
echo
;;
stop)
echo -n "Shutting down SNMP: "
killproc snmpd
killproc snmptrapd
echo
;;
restart)
$0 stop
$0 start
;;
*)
echo $USAGE 1>&2
exit 1
esac
#------------------------------------ -o-
#
exit 0
|
