#!/bin/sh

PORT=$(natpmpc -a 1 0 udp 60 -g 10.2.0.1 | awk '/Mapped public/ {print $4}')
echo "$PORT" | tee /usr/local/etc/natvpn_port.txt

while true; do
    date
    natpmpc -a 1 0 udp 60 -g 10.2.0.1 && natpmpc -a 1 0 tcp 60 -g 10.2.0.1 || {
        echo "error Failure natpmpc $(date)"
        break
    }
    sleep 45
done