bgpbootmon

#!/bin/bash
#set -x 
#####################################
#
#  IBM Coporation 
#  Project kittyhawk
#
#  mkargimg
#  Create qemu bootable debian disk 
#  images.
#  
#####################################

IPPREFIX=192.168
MAXNUMNODES=33

function icmpInEchos 
{
    tmp=$(cat /proc/net/snmp)
    tmp=${tmp##*Icmp: }
    echo $tmp | while read a1 a2 a3 a4 a5 a6 a7 a8 rest
    do
       echo $a8
    done
}

function pingNodes
{
   local blk=$1
   local -i count=0
   local -i node

   nodes=$(seq 1 $MAXNUMNODES)  
   
   for node in $nodes 
   do
     if ping -q -c 1 ${IPPREFIX}.$blk.$node > /dev/null 2>&1
     then
        ((count++))
     fi
   done
   echo count=$count
   return $count
}

function usage 
{
    echo "usage: $0 [-p] [-P] numNodes|blockNum"
    echo "  -p print the current number of nodes that are available until all nodes are present"
    echo "  -P check status of block by pings arg is interpreted as block num" 
}



origargs="$@" 
typeset -i optcount=0 

while getopts "pP" OPT
do 
  case $OPT in
      ("p") PRN=1; (( optcount=optcount + 1));;
      ("P") PING=1; (( optcount=optcount + 1));;
  esac
done

shift $optcount

if [[ $# != 1 ]]
then
    usage
    exit -1
fi


if [[ -n $PING ]]
then
    block=$1
    typeset -i num=$(pingNodes $block)
    while (( $num < $MAXNUMNODES ))
      do
      num=$(pingNodes $block)
     if [[ -n $PRN ]]; then echo $num; fi
    done
else 
    numNodes=$1
    base=$(icmpInEchos)
    now=$(icmpInEchos)
    delta=$((now - base))
    
    while (($delta < $numNodes))
      do
      now=$(icmpInEchos)
      delta=$((now - base))
      if [[ -n $PRN ]]; then echo $delta; fi
    done 
fi
exit 0