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 () {
if [ "$NOT_REACHABLE" = "1" ] ; then
echo -n .
else
echo -n $HOST:$PORT is not reachable
NOT_REACHABLE=1
fi
echo -n .
}
print_up_but_port_closed () {
if [ "$PORT_CLOSED" = "1" ] ; then
echo -n .
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
is_port_open () {
$NC -z -w 2 $HOST $PORT 2>&1
return $?
}
if [ -z "$HOST" ] ; then
@ -51,8 +32,7 @@ if [ -z "$NC" ] ; then
exit 2
fi
port_is_open
while [ "$OPEN" = "no" ] ; do
port_is_open
while ! is_port_open ; do
print_not_reachable
done
echo