#!/bin/sh
# 

# Control the line-printer daemon


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

LPD_TRY='/usr/sms/share/LPRng/sbin/lpd /usr/sms/share/LPRng/bin/lpd'


case "$1" in
'start')
	LPD=
	for X in $LPD_TRY; do
	    if [ -f "$X" ]; then
		LPD="$X"
		break
	    fi
	done
	if [ "X$LPD" = "X" ]; then
		echo "No lpd binary found (cannot start): no file(s)"
		echo "  $LPD_TRY"
		exit 1
	fi
	if $LPD; then
		echo "Printer service started: $LPD"
	else
		echo "Printer service failed: $LPD"
	fi
	;;
'stop')
	found=none
	while :; do
		pattern='lpd (MAIN|START|STOP)'
		for X in $LPD_TRY; do
		    pattern="$pattern|$X"
		done
		pattern=" (root|lprngd)  *($pattern)"
		pid=`ps -A -o pid,user,command | grep -E "$pattern" | sed -e 's/^  *//' -e 's/ .*//' | head -1`
		if [ "X$pid" = "X" ]; then break; fi
		found=some
		echo "About to kill process $pid:"
		ps u --pid $pid
		kill $pid
	done
	while :; do
		pattern=" (root|lprngd)  *lpd"
		pid=`ps -A -o pid,user,command | grep -E "$pattern" | sed -e 's/^  *//' -e 's/ .*//' | head -1`
		if [ "X$pid" = "X" ]; then break; fi
		found=some
		echo "... but NOT killing process $pid:"
		ps u --pid $pid
		break
	done
	if [ "$found" = 'none' ]; then
		echo "No lpd found"
		exit 1
	fi
	;;
*)
	echo "usage: $0 {start|stop}"
	;;
esac