pinglogger

pinglogger.sh

#!/bin/bash

HOST=$1

FAIL=0

fail_hook() {
 echo $(date) FAIL
}

unfail_hook() {
 echo $(date) UNFAIL
}


while (true); do
 PING=$(ping -c1 -W5 $HOST | grep icmp_seq)
 RESULT=$?
 [ -n "$PING" ] && echo $(date) $PING
 if [ $RESULT -ne 0 -a $FAIL -eq 0 ]; then
  FAIL=1
  fail_hook
 elif [ $RESULT -eq 0 -a $FAIL -ne 0 ]; then
  FAIL=0
  unfail_hook
 fi
 sleep 5
done