iperf Bash

ipferf.sh

#!/bin/bash

# Check dependencies
type iperf > /dev/null 2>&1
if [[ $? -ne 0 ]]; then
  echo -e >&2 "\e[31mERROR 2: iperf is required but not installed\e[39m"
  exit 1
fi

# Chack arguments
if [ "$#" -ne "3" ]; then
  echo "ERROR: spezify the necessary arguments"
  echo "Usage:"
  echo "${0} [server] [runs] [seconds of each run]"
  exit 2
else
  host=$1
  runs=$2
  time=$3
fi

# Logging 
log=`date +%F"_"%T`-iperf-$host.log

# Main
echo " ------------------------------------------------------------------"
echo " Results"
echo " ------------------------------------------------------------------"
echo " Server: $host  Runs: $runs  Duration/run: $time s"
echo " ------------------------------------------------------------------"
for run in $(seq 1 $runs); do
  date=`date +%F" - "%X`
  iperf -c $host -u -P 2 -f m -b 2048M -t $time >> "$log" &
  sleep $(( $time+10 )); pkill iperf
  if [[ $? -eq 0 ]]; then
    echo " iperf was terminated due to not respoding"
  else
    echo -e " $date \t run $run: $(grep "SUM" $log | tail -1 | awk '{print "SUM: " $(NF-1) " " $(NF)}')"
  fi
done
echo " ------------------------------------------------------------------"
echo
echo " see $log for details"