w4it-for-port-open: Simplified drastically with nc.

This commit is contained in:
Ole Tange 2014-05-03 20:23:22 +02:00
parent b0b791142b
commit 5ff59030f4

View file

@ -13,31 +13,12 @@ usage () {
} }
print_not_reachable () { print_not_reachable () {
if [ "$NOT_REACHABLE" = "1" ] ; then echo -n .
echo -n .
else
echo -n $HOST:$PORT is not reachable
NOT_REACHABLE=1
fi
} }
print_up_but_port_closed () { is_port_open () {
if [ "$PORT_CLOSED" = "1" ] ; then $NC -z -w 2 $HOST $PORT 2>&1
echo -n . return $?
else
echo -n $HOST is up but port $PORT is closed
PORT_CLOSED=1
fi
}
port_is_open () {
# If tcptraceroute stops working use:
# echo | nc -w 2 $HOST $PORT || failed
if $NC -z -w 2 $HOST $PORT 2>&1 ; then
OPEN=no
else
OPEN=yes
fi
} }
if [ -z "$HOST" ] ; then if [ -z "$HOST" ] ; then
@ -51,8 +32,7 @@ if [ -z "$NC" ] ; then
exit 2 exit 2
fi fi
port_is_open while ! is_port_open ; do
while [ "$OPEN" = "no" ] ; do print_not_reachable
port_is_open
done done
echo echo