path: root/testModule/network.functions

wait_for_iface() {
local DEVICE=$1
local TIMEOUT=10
echo -n "Waiting for interface $DEVICE: "
# Some systems don't have operstate. Seems to be hardware dependent
[ ! -e "/sys/class/net/${DEVICE}/operstate" ] && usleep 10000
if [ -e "/sys/class/net/${DEVICE}/operstate" ]; then
    while true; do
        # check linkstate
        [ "x$(cat "/sys/class/net/${DEVICE}/operstate")" == "xup" ] && break
        TIMEOUT=$(( $TIMEOUT - 1 )) # don't wait forever, the pcnet iface of vmware will never be "up" although it's working
        [ "$TIMEOUT" -le 0 ] && break
        # else
        echo -n "."
        usleep 500000
    done
else
    # we really don't have a operstate .. then just wait a sec and hope for the best.
    sleep 1
fi
echo ".$(cat "/sys/class/net/${DEVICE}/operstate" 2>/dev/null)"
}
true