Measuring HTTP/2 request with CURL

curltime.sh

#!/usr/bin/env bash

HELP="Usage: curltime.sh HOSTNAME [SAMPLES_COUNT] [PATH]"

if [ $# -eq 0 ]; then
  echo "Please, provide a hostname."
  echo $HELP
  exit 1
fi

SAMPLES=5

if [ $# -gt 1 ] && [ $2 -gt 0 ]; then
  SAMPLES=$2
fi

MEASURED_PATH=generate_204

if [ $# -eq 3 ]; then
  MEASURED_PATH=$3
fi

MEASURED_HOST=$1
MEASURED_IP=$(host $MEASURED_HOST | head -n 1 | awk '{print $4}')

echo -e "Measuring HTTP/2 request to https://$MEASURED_HOST/$MEASURED_PATH excluding name resolution.\n"

for ((i=1;i<=SAMPLES;i++))
do
  echo "Sample $i/$SAMPLES"
  curl --http2 -w "Time connect: %{time_connect}
Time appconnect: %{time_appconnect}
Time pretransfer: %{time_pretransfer}
Time start transfer: %{time_starttransfer}
Total time: %{time_total}\n" \
  --resolve $MEASURED_HOST:443:$MEASURED_IP \
  -o /dev/null https://$MEASURED_HOST/$MEASURED_PATH
  echo ""
  sleep 1
done