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|
#!/bin/rc
rfork s
if (! ~ $DEBUG '') flag x +
LPDELAY=60
if (! ~ $#* 2 && ! ~ $#* 3) {
echo 'usage generic local_cmd _remote_cmd [ success_cmd ]' >[1=2]
exit 'argument count'
}
LOCAL_CMD=$1
REMOTE_CMD=$2
SUCCESS_CMD=$3
# we don't want to make a LOCK file unless we are at the destination
# let the spooler take care of moving it there
# this is necessary for clients and servers that share the
# same name space
if (! ~ $THIS_HOST $DEST_HOST || ! LOCK $LPSPOOL/$LPDEST/LOCK $sysname $pid) exit ''
cd $LPSPOOL
MAXTRY=2
PRINTLOG=$LPLOGDIR/$LPDEST^.st
fn schedule{
FILE=`{
@{
rfork n
bind -b $LPLIB/sched /bin
$SCHED $LPDEST
}
}
}
while (schedule; ! ~ $#FILE 0) {
SCHEDLINE=`{cat $LPDEST/$FILE(1)^id}
LSLINE=`{ls -l $LPDEST/$FILE(1)}
if (! test -s $LPDEST/.seqno) {
echo 0 > $LPDEST/.seqno
}
if not {
LPSEQNO = `{cat $LPDEST/.seqno | awk '{seqno = $1 + 1; if (seqno > 999) seqno = 0; print seqno}'}
echo $LPSEQNO > $LPDEST/.seqno
}
STARTIME=`{date}
if (! test -s $LPDEST/$FILE(1)) {
echo $SCHEDLINE(2)$SCHEDLINE(4)' '$SCHEDLINE(3) $SCHEDLINE(5)' ! '$LSLINE(6) $STARTIME(4) >> $LPLOG
rm -f $LPDEST/$FILE $LPDEST/$FILE^id
}
if not {
if (~ $THIS_HOST $DEST_HOST) {
if (test -f $LPLIB/perm/$LPDEST && grep -s $SCHEDLINE(2) $LPLIB/perm/$LPDEST) {
echo you are not allowed to use printer $LPDEST | mail $SCHEDLINE(2)
rm -f $LPDEST/$FILE(1) $LPDEST/$FILE(1)^id
}
if not {
> $PRINTLOG
STARTIME=`{date}
eval $LOCAL_CMD
rv=$status
ENDTIME=`{date}
status=$rv
if () {
echo $SCHEDLINE(1)^$SCHEDLINE(3)' '$SCHEDLINE(2)' '$SCHEDLINE(4)' + '$LSLINE(6)' '$STARTIME(4)' '$ENDTIME(4)
eval $SUCCESS_CMD
rm -f $LPDEST/$FILE(1) $LPDEST/$FILE(1)^id
}
if not {
echo $SCHEDLINE(1)^$SCHEDLINE(3)' '$SCHEDLINE(2)' '$SCHEDLINE(4)' - '$LSLINE(6)' '$STARTIME(4)' '$ENDTIME(4)' status='$rv
THISTRY=`{echo $SCHEDLINE(4) + 1|hoc}
echo $SCHEDLINE(1) $SCHEDLINE(2) $SCHEDLINE(3) $THISTRY >$LPDEST/$FILE(1)^id
if (test $THISTRY -ge $MAXTRY) {
if (test -d $LPLIB/prob/$LPDEST) {
cp $LPDEST/$FILE(1) $LPLIB/prob/$LPDEST
cp $LPDEST/$FILE(1)^id $LPLIB/prob/$LPDEST
cp $PRINTLOG $LPLIB/prob/$LPDEST/$FILE(1)^log
}
upasname=daemon
mail $SCHEDLINE(2) <<endmail1
rm -f $LPDEST/$FILE(1) $LPDEST/$FILE(1)^id
}
if not {
touch $LPDEST/$FILE(1)
sleep $LPDELAY
}
}
}
}
if not {
# we don't want to be here
# trap '' 13 # temp hack: ignore SIGPIPE
STARTIME=`{date}
eval $REMOTE_CMD
rv=$status
ENDTIME=`{date}
if (~ $rv '') {
echo $SCHEDLINE(1)^$SCHEDLINE(3)' '$SCHEDLINE(2)' '$SCHEDLINE(4)' + '$LSLINE(6)' '$STARTIME(4)' '$ENDTIME(4)
rm -f $LPDEST/$FILE(1) $LPDEST/$FILE(1)^id
}
if not {
echo $SCHEDLINE(1)^$SCHEDLINE(3)' '$SCHEDLINE(2)' '$SCHEDLINE(4)' - '$LSLINE(6)' '$STARTIME(4)' '$ENDTIME(4)
echo status $rv from '$REMOTE_CMD'
THISTRY=`{echo $SCHEDLINE(4) + 1|hoc}
echo $SCHEDLINE(1) $SCHEDLINE(2) $SCHEDLINE(3) $THISTRY >$LPDEST/$FILE(1)^id
if (~ $THISTRY $MAXTRY) {
upasname=daemon
mail $SCHEDLINE(2) <<endmail2
}
if not {
touch $LPDEST/$FILE(1)
sleep $LPDELAY
# this is here to deal with running out of
# Datakit channels or other stupid problems
# backoff connection attempts but not too long
LPDELAY=`{echo $LPDELAY '*' 2|hoc}
if (test $LPDELAY -gt 960)
LPDELAY=60
}
}
}
}
}
Your job has failed to print on $LPDEST after $MAXTRY attempt(s).
If the directory $LPLIB/prob/$LPDEST exists on $DEST_HOST,
the file has been put there along with the printer log file.
Your friendly printer daemon
endmail1
Your job has failed to print on $LPDEST after $MAXTRY attempt(s).
There is a problem in sending the job to $DEST_HOST,
but I'll keep trying. Have a nice day.
Your enthusiastic printer daemon
endmail2
UNLOCK $LPSPOOL/$LPDEST
rm $LPSPOOL/$LPDEST >[2]/dev/null
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