#! /bin/bash

sleep=1

# This doesn't work properly... Something is wrong with counters...

path=/mnt/ands/bin/vma_stats_mlx
#-z seems ignored
#$path  -p $(pidof onlineDetectorSimulatorServer) -c 1 -z &> /dev/null
stats1=($($path -p $(pidof onlineDetectorSimulatorServer) -c 1 | grep Rx | awk '{ print $3, $4 }'))
sleep $sleep
stats2=($($path -p $(pidof onlineDetectorSimulatorServer) -c 1 | grep Rx | awk '{ print $3, $4 }'))

pksum=0
bwsum=0
for i in "${!stats2[@]}"; do
    if [ -n "$stats1" ]; then
	diff=$(bc <<< "(${stats2[$i]} - ${stats1[$i]}) / $sleep")
    else
	diff=$(bc <<< "${stats2[$i]} / $sleep")
    fi

    if [ $((i & 1)) -eq 0 ]; then
	echo -n "Queue:  "
	printf "packets: %9.3f kpps" $(bc -l <<< "1. * $diff / 1000")
	pksum=$(($pksum + diff))
    else
	printf ", bandwidth: %9.3f Gb/s\n" $(bc -l <<< "8. * $diff / 1024 / 1024")
	bwsum=$(($bwsum + diff))
    fi
done

echo -n "Total:  "
printf "packets: %9.3f kpps" $(bc -l <<< "1. * $pksum / 1000")
printf ", bandwidth: %9.3f Gb/s\n" $(bc -l <<< "8. * $bwsum / 1024 / 1024")