Check socat for zwave

check_socat_zwave.sh

#!/bin/bash
LOCALPORT=/dev/zwave
REMOTEPORT=10.11.12.222:7676
TIMEWAIT=10

echo "checking socat..."
if [[ $(ps ax | grep -v grep | grep tcp:$REMOTEPORT | wc -l) -eq 0 ]]
then
  echo "  ... restarting"
  /usr/bin/socat pty,link=$LOCALPORT,raw,group=root,mode=777 tcp:$REMOTEPORT &
  echo "  ... command sent"
  sleep 2
else
  echo "  ... running"
fi

echo "checking status..."
STATUS=$(netstat -an | grep 10.11.12.222:7676 | awk '{print $6}')

echo "  ... status - $STATUS"

if [[ $STATUS == "ESTABLISHED" ]]
then
   echo "  ... all ok, exiting"
   exit 0
else
   echo "  ... waiting for $TIMEWAIT seconds"

   STATUS=$(netstat -an | grep 10.11.12.222:7676 | awk '{print $6}')
   echo "  ... status - $STATUS"

   if [[ $STATUS == "ESTABLISHED" ]]
   then
     echo "  ... all ok"
     exit 0
   else
     echo "  ... connection failed, killing socat"
     kill -9 $(pidof socat)

     if [[ $(ps ax | grep -v grep | grep tcp:$REMOTEPORT | wc -l) -eq 0 ]]
     then
       echo "  ... all killed"
       exit 0
     else
       echo "  ... error killing!"
       exit 1
     fi

   fi
fi