#!/usr/bin/env bash

host=${1:-127.0.0.1}
port=$2
prompt=$3
count=${4:-120}

i=0
while ! nc -z "$host" "$port"; do
	echo "$prompt"
	sleep 1

	i=$((i + 1))
	if [ "$i" -ge "$count" ]; then
		exit 1
	fi
done

echo "check $host:$port available pass"