google glass auto openvpn

gistfile1.sh

#!/system/bin/sh
getStatus () {
    ps | grep openvpn && return 1
    netcfg | grep $1 && return 1
    return 0
}
getWlanConnectStatus()
{
    ifconfig wlan0 | egrep '([0-9]{1,3}\.){3}[0-9]{1,3}' && return 1
    return 0
}
 
while [[ 1 ]]; do
    getWlanConnectStatus
    if [[ $? == 1 ]]; then
        getStatus tun0
        if [[ $? == 0 ]]; then
            echo "openvpn is not connected!"
            echo "Reconnecting!"
            openvpn /sdcard/openvpn/my_expressvpn_los_angeles_udp.ovpn 
            sleep 6
        fi
    else 
        echo 'network disconnected, kill openvpn' 
        killall openvpn
        sleep 6
    fi
    sleep 3
done