miniloadtester/send_requests.bash

#!/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=${OPTS[3]}
SLEEP_TIME=$(perl -e "print 60.0 / $RATE / $RATE_CHANGE_FACTOR")

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