p_adv: ping advice on equipment status

Author: Robert Lawson
Environment: Oracle database, HPUX
Description: This script polls key devices on network and emails when they can not be reached.
Code Listing:

# File: ping_advise [p_adv]
# Purpose: ping device and advise of failures
# Author/Date: Robert Lawson 09-NOV-1996
#
# Technique: ping IP address, write results to file, see if null (failed)
# Notes: this script will fail on not detecting an IP address, so you
# to restart you must?????
#
PROG_NAME=ping_advise # name of script
MAIL_USER=roblaw      # whom to send email to
SLEEP_LIMIT=60        # pause number of seconds

# do ping, parameters are:
# 1  passed    IP address to ping
# 2  passed    common name for IP address
# 3  passed    name to send mail to
# ?  returned  0=OK, 1=failed
function ping_em
{
echo "Processing IP_ADDRESS = $1 for $2"
rm $PROG_NAME.tmp
/etc/ping $1 64 1grep '1 packets re'>$PROG_NAME.tmp
if [ -s $PROG_NAME.tmp ]
then
  echo "passed"
  return 0
else
  echo "failed"
  cat > $PROG_NAME.tmp
  mail $3 <$PROG_NAME.tmp   return 1 fi } # main loop while true do   ping_em "192.1.1.254" "CA ROUTER" "$MAIL_USER"   if [ $? -eq 1 ]   then    break   fi    ping_em "192.1.2.254" "FL ROUTER" "$MAIL_USER"   if [ $? -eq 1 ]   then    break   fi    ping_em "192.1.2.253" "JUNK" "$MAIL_USER"   if [ $? -eq 1 ]   then    break   fi    sleep $SLEEP_LIMIT  done