#!/bin/sh
#
# restart-NetInfo
#

NIBINDD_PIDFILE="/var/run/nibindd.pid"
NILOCAL_PIDFILE="/var/run/netinfo_local.pid"

if [ -f ${NIBINDD_PIDFILE} ]; then

    #
    # Send a SIGHUP to the "nibindd" process to restart
    # the NetInfo subsystem.
    #

    oPID=`cat ${NIBINDD_PIDFILE}`
    kill -HUP ${oPID}
    status=$?
    if [ $status -ne 0 ]; then
	logger -i -p daemon.notice -t restart-NetInfo "Could not SIGHUP nibindd, pid=${oPID}, status=${status}"
	exit 0
    fi

    #
    # Wait a (short time) for the tag==local NetInfo
    # domain to become available.
    #

    CHECK=1
    LIMIT=60

    while [ 1 ]
    do
	#
	# check status of "nibindd"
	#
	if [ -f ${NIBINDD_PIDFILE} ]; then
	    nPID=`cat ${NIBINDD_PIDFILE}`
	    if [ "X${oPID}" != "X${nPID}" ]; then
		#
		# new PID detected, go wait for local domain
		#
		break
	    fi
	fi

	CHECK=`expr ${CHECK} + 1`
	if [ ${CHECK} -le ${LIMIT} ]; then
	    sleep 1
	else
	    #
	    # We've waiting long enough, something's not right
	    #
	    logger -i -p daemon.notice -t restart-NetInfo "nibindd restart failed"
	    exit 0
	fi
    done

    while [ 1 ]
    do
	#
	# wait for the "netinfod local" domain to become available
	#
	niutil -read -T 1 -t 127.0.0.1/local /	    > /dev/null 2>&1
	if [ $? -eq 0 ]; then
	    #
	    # "local" domain has been registered
	    #
	    break
	fi

	CHECK=`expr ${CHECK} + 1`
	if [ ${CHECK} -le ${LIMIT} ]; then
	    sleep 1
	else
	    #
	    # We've waiting long enough, something's not right
	    #
	    logger -i -p daemon.notice -t restart-NetInfo "\"netinfod local\" not starting (fast enough)"
	    exit 0
	fi
    done

elif [ -f ${NILOCAL_PIDFILE} ]; then

    #
    # Send a SIGHUP to restart the "netinfod" process for the
    # tag==local domain.
    #
    PID=`cat ${NILOCAL_PIDFILE}`
    kill -HUP ${PID}
    status=$?
    if [ $status -ne 0 ]; then
	logger -i -p daemon.notice -t restart-NetInfo "Could not SIGHUP netinfod local, pid=${PID}, status=${status}"
	exit 0
    fi

else

    #
    # "nibindd" and "netinfod local" PID files not found, exiting
    #
    logger -i -p daemon.notice -t restart-NetInfo "NetInfo daemons not running"
    exit 0

fi

#
# Touch the cache key to cause a notification
#
scutil << __END_OF_SCUTIL_COMMAND > /dev/null 2>&1
open
touch File:/var/run/nibindd.pid
close
quit
__END_OF_SCUTIL_COMMAND

exit 0