IPv4 vs IPv6 HTTP Speedtest Script (to CSV)

speedtest_http_ip4_ip6.sh

set -eo pipefail

if [[ -z "$2" ]]
then
  echo 'USAGE:'
  echo ' 1 > Domain to target (without www)'
  echo ' 2 > Number of requests'
  echo ''
  echo 'OPTIONAL ENV-VARS:'
  echo ' CURL_INT > Interface to use'
  exit 1
fi

if [[ -n "$CURL_INT" ]]
then
  CURL_INT="--interface ${CURL_INT}"
else
  CURL_INT=''
fi

set -u

DOMAIN="www.$1"
COUNT="$2"

UA='User-Agent: Speedtest'
LOG_FILE_IP4="/tmp/speedtest_ip4.csv"
LOG_FILE_IP6="/tmp/speedtest_ip6.csv"
COLUMNS='time_connect,time_appconnect,time_total'
echo "$COLUMNS" > "$LOG_FILE_IP4"
echo "$COLUMNS" > "$LOG_FILE_IP6"

if ! curl -H "${UA}" $CURL_INT --ipv6 -o /dev/null https://google.com 2>/dev/null
then
  echo 'ERROR: Curl not found or client has no IPv6 address'
  exit 1
fi

if ! host "$DOMAIN" | grep -q 'IPv6'
then
  echo 'ERROR: Target has no IPv6 Address'
  exit 1
fi

for i in $(seq "$COUNT")
do
  echo "$i"
  curl -H "${UA}" $CURL_INT --ipv4 -o /dev/null -w '%{time_connect},%{time_appconnect},%{time_total}\n' "https://${DOMAIN}" 2>/dev/null >> "$LOG_FILE_IP4"
  sleep 1
  curl -H "${UA}" $CURL_INT --ipv6 -o /dev/null -w '%{time_connect},%{time_appconnect},%{time_total}\n' "https://${DOMAIN}" 2>/dev/null >> "$LOG_FILE_IP6"
  sleep 1
done

echo "LOG IPv4: $LOG_FILE_IP4"
echo "LOG IPv6: $LOG_FILE_IP6"