diff options
Diffstat (limited to 'dev-tools/debugging-tools/network.functions')
-rw-r--r-- | dev-tools/debugging-tools/network.functions | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/dev-tools/debugging-tools/network.functions b/dev-tools/debugging-tools/network.functions new file mode 100644 index 00000000..89ca5a20 --- /dev/null +++ b/dev-tools/debugging-tools/network.functions @@ -0,0 +1,23 @@ +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 |