#!/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