#!/usr/bin/env bash

set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then set -o xtrace; fi

RATE_CHANGE_FACTOR=$1
IFS=" " read -r -a OPTS <<< $2
URL=${OPTS[0]}; METHOD=${OPTS[1]}; RATE=${OPTS[2]}; BODY=${OPTS[3]}
SLEEP_TIME=$(expr 60 / $RATE / $RATE_CHANGE_FACTOR)

until false
do
  curl --header "Content-Type: application/json" \
       --data $BODY \
       -X $METHOD \
       -s $URL \
       -o /dev/null
  if [ $? -eq 0 ]
  then
    printf '%s' "."
  else
    printf '%s' "x"
  fi
  sleep $SLEEP_TIME
done