#!/bin/bash

host=ie-entwicklung@10.2.4.33

tunnel() {
  name=$1
  ip=$2
  rPort=$3
  lPort=$4

  echo -n "localhost:$lPort    $name  "
  ssh -nNTL "$lPort:$ip:$rPort" "$host" 2> /dev/null &

  until nc -vz 127.0.0.1 $lPort 2> /dev/null
  do
    echo -n .
    sleep 0.3
  done

  echo "ok"
}

echo ""

tunnel "Trumpf Inverter (http)  " 10.0.2.1   80 6001
tunnel "Trumpf DCDC (http)      " 10.0.3.1   80 6002
tunnel "Ext Emu Meter (http)    " 10.0.4.1   80 6003
tunnel "Int Emu Meter (http)    " 10.0.4.2   80 6004
tunnel "AMPT (http)             " 10.0.5.1   8080 6005

tunnel "Trumpf Inverter (modbus)" 10.0.2.1 502 3001
tunnel "Trumpf DCDC (modbus)    " 10.0.3.1 502 3002
tunnel "Ext Emu Meter (modbus)  " 10.0.4.1 502 3003
tunnel "Int Emu Meter           " 10.0.4.2 502 3004
tunnel "AMPT (modbus)           " 10.0.5.1 502 3005
tunnel "Batteries               " 127.0.0.1 6855 5007
                          

echo
echo "press any key to close the tunnels ..."
read -r -n 1 -s
kill $(jobs -p)
echo "done"