#!/bin/rc
# wrapper script for hubfs and hubshell - starts both servers and clients
# hub [srvname] [shellname]

rfork enf
while (~ $1 -*){
	switch($1){
	case -b
		background = yes
		shift
	case -t
		trunc = yes
		shift
	case *
		echo bad flag $1
		shift
	}
}
srvname = $1
attach = $2
if(~ $srvname ''){
	srvname = hubfs
}
if(~ $attach ''){
	attach = io
}

fn starthubfs {
	echo creating hubfs /srv/$srvname
	if (! ~ $trunc yes)
		hubfs -s $srvname
	if (~ $trunc yes)
		hubfs -t -s $srvname
}

fn makehubs {
	if(! test -e /n/$srvname/ctl)
		touch /n/$srvname/ctl
	touch /n/$srvname/$attach'0'
	touch /n/$srvname/$attach'1'
	touch /n/$srvname/$attach'2'
	touch /n/$srvname/$attach^0.note
	oldprompt = $prompt
	prompt =($attach'% ')
	rc -i </n/$srvname/$attach'0' >/n/$srvname/$attach'1' >[2]/n/$srvname/$attach'2' &
	cat /n/$srvname/$attach^0.note >/proc/$apid/notepg &
	sleep 1
}

if (! test -e /n/$srvname/$attach'0'){
	if (! test -e /n/$srvname/io0){
		if (! test -e /srv/$srvname)
			starthubfs
		mount -c /srv/$srvname /n/$srvname
	}
	if (! test -e /n/$srvname/$attach'0')
		makehubs
}

if(! ~ $background yes){
	hubshell /n/$srvname/$attach
	echo hubshell ended
}
rfork e
prompt = $oldprompt
exit ''