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|
#! /bin/sh
usage() {
echo >&2 "Usage: $0 {assigned|unassigned}"
echo >&2 "# wait until all spans known are assigned/unassigned"
exit 1
}
TIMEOUT=5 # How much time to wait for spans
if [ "$#" -lt 1 ]; then
usage
fi
wanted_event="$1"
shift
case "$wanted_event" in
assigned)
;;
unassigned)
;;
*)
usage
;;
esac
devbase='/sys/bus/dahdi_devices/devices'
spans_of() {
dev="$1"
wc -l < "$dev/spantype"
}
assigned_spans_of() {
dev="$1"
ls -d "$dev/span-"* 2>/dev/null | wc -l
}
waitfor_span_assignments() {
wanted_state="$1"
device_list=`ls -d "$devbase/"* 2> /dev/null`
finished=''
count="$TIMEOUT"
echo -n "Waiting for spans to become $wanted_state: "
while [ "$count" -gt 0 ]; do
finished='yes'
for dev in $device_list
do
spans=`spans_of "$dev"`
assigned_spans=`assigned_spans_of "$dev"`
if [ "$wanted_state" = 'assigned' -a "$assigned_spans" -ne "$spans" ]; then
finished='no'
elif [ "$wanted_state" = 'unassigned' -a "$assigned_spans" -ne 0 ]; then
finished='no'
fi
done
if [ "$finished" = 'yes' ]; then
break
else
sleep 1
echo -n "."
fi
count=`expr "$count" - 1`
done
if [ "$finished" = 'yes' ]; then
echo "done"
else
echo "timeout"
fi
}
waitfor_span_assignments "$wanted_event"
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