#!/bin/bash
INTERFACE=mullvad
shopt -s nullglob

ping -q -I $INTERFACE 8.8.8.8 -c 4 -i 1 -W 5 >/dev/null 2>&1

if test $? -eq 0; then
    NEW_STATE=server
else
    NEW_STATE=off
fi

for MESH in /sys/class/net/*/mesh; do
OLD_STATE="$(cat $MESH/gw_mode)"
[ "$OLD_STATE" == "$NEW_STATE" ] && continue
         echo $NEW_STATE > $MESH/gw_mode
         echo 54MBit/54MBit > $MESH/gw_bandwidth
         logger "batman gateway mode changed to $NEW_STATE"
done

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