#!/bin/sh
# port=2322
user="root"
host="qiuxinkaifa.com"
flag="0.0.0.0:27"
while true; do
	date
	echo 'checking server status...'
	check=$(ssh -p $port $user@$host "netstat -pant |grep $flag; uname")
	if [ $? != 0 ]; then
		echo "Connect to $host failed, try after 30 sec..."
		sleep 30
		continue
	fi
	proc=$(echo $check |awk -F'LISTEN ' '{print $2}')
	pid=${proc%/*}
	if [ -z $pid ]; then
		echo "$flag is available now."
	else
		ssh -p $port $user@$host kill $pid
		echo "PID $pid opened $flag. Killed it!"
	fi
	echo "Public ports to $host..."
	ssh -p $port -o ServerAliveInterval=30 -N -R 80:127.168.33.51:80 -R 27:127.34.56.78:22 -R 3389:127.17.0.1:3389 $user@$host
	date
	echo "$host disconnected, try after 30 sec ..."
	sleep 30
done