newhaasnode

#!/bin/sh
echo "Content-type: text/html"
echo ""
echo "NewHaasNode CGI Output"
echo ""
echo "<pre>"
#env
echo

extra=$(echo "$QUERY_STRING" | sed -n 's/^.*extra=\([^&]*\).*$/\1/p' | sed "s/%20/ /g")
echo "extra is $extra "
newhaasnodeip=$(echo "$QUERY_STRING" | sed -n 's/^.*newhaasnodeip=\([^&]*\).*$/\1/p' | sed "s/%20/ /g")
echo "newhaasnodeip is $newhaasnodeip "
echo

#make /www/allnodes.txt
myip=`/root/script/myip.sh`
newnode="${newhaasnodeip}"
#the db of nodes is only kept on the hub
if [ `echo $myip | cut -f 4 -d . ` -eq 1 ]; then
  touch /www/allnodes.txt
  #if it's not already in there, add the new node to allnodes.txt
  grep -x $newnode /www/allnodes.txt >/dev/null
  if [ $? -eq 1 ]; then echo $newnode >> /www/allnodes.txt; fi
  cat /www/allnodes.txt

  #flush the arp cache of 192.168.2.19, every 10 seconds, for 2 minutes, since 192.168.2.19 has now become some other IP, and we want to be able to add a new node at 192.168.2.19 and have it connect to us
  /root/script/arpflush.sh > /www/arpflush.txt &
fi

echo "</pre>"
echo ""