code: plan9front

ref: 6e8b8c8f1a34f5229075fa06eff5f22ab25eb901
dir: /rc/bin/C/

#!/bin/rc
# C system - connect to system's console
rfork en
oflag=()
opt=-r
while(~ $1 -*)
	switch($1){
	case -r
		shift
		opt=''
	case -O -o
		oflag=-O
		shift
	case *
		opt=-r
		shift
	}

switch($1){
case ella
	exec C office0
	exit
case erika
	exec C office1
	exit
case *
	# look for server in /lib/ndb
	server=`{ndb/query sys $1 console}
	switch($server){
	case ''
		echo C: unknown console server for $1
		exit 1
	}
}

# can't cpu to old servers any more
switch($server){
case dinar bones
	ssh $server C $1
	exit 0
}

if(! test -e /mnt/consoles/$1){
	switch($sysname){
	case $server
		mount /srv/consoles /mnt/consoles
	case *
		import $oflag $server /mnt/consoles
	}
}

if(! test -e /mnt/consoles/$1 && test -e /srv/consoles)
	mount /srv/consoles /mnt/consoles

if(! test -e /mnt/consoles/$1){
	echo console not found
	exit 'console not found'
}

if (test -w /dev/label) {
	olab=`{cat /dev/label}
	label $1
}
con -l $opt /mnt/consoles/$1
if (test -w /dev/label)
	label $olab