#!/bin/sh

set -x

if [ $# -ne 2 ]; then
    echo "$0 host ip"
    echo "host and ip of the iperf server"
fi

host=$1; shift
port=$1; shift

flags="-c ${host} -p $port -O 10 -t 190"
fbase="iperf"

if echo $host | grep -q ':'; then
    flags="$flags -6"
    fbase="${fbase}-from-v6"
else
    flags="$flags -4"
    fbase="${fbase}-from-v4"
fi

do_benchmark()
{
    full_flags="$@"
    iperf3_flags=$(echo $full_flags | sed 's/ //g')
    filename="${fbase}-${iperf3_flags}"

    iperf3 $full_flags | tee "${filename}"

}

for p in 1 10 20 50; do
    do_benchmark $flags -P$p
    do_benchmark $flags -P$p -u -b0
done