#!/bin/bash
RTPREV=`netstat -s | grep "TCP data loss" | cut -c -12`
EMAIL_RECIPIENTS="terho.taponen@op.fi marko.taponen@boogiesoftware.com kaakana7@gmail.com kimmo.lapinkari@op.fi kyosti.viinamaki@op.fi kyosti.viinamaki@gmail.com mika.saarela@op.fi pekka.vuorio@op.fi"
while true; do
  RT=`netstat -s | grep "TCP data loss" | cut -c -12`
  if [  "$RT" != "$RTPREV" ]; then
    DIFF=`bc -l <<< "$RT - $RTPREV"`
    echo "`date`: $RT $DIFF"
    echo "

         `date`: current: $RT previous: $RTPREV diff: $DIFF
" |  mailx -s "Norppa-production TCP DATA LOSS" -S smtp=smtp://smtp-gw2.crescomhosting.fi  $EMAIL_RECIPIENTS
    RTPREV=$RT
  fi
  sleep 300
done