counter = 0

-- Initialize the pseudo random number generator - http://lua-users.org/wiki/MathLibraryTutorial
math.randomseed(os.time())
math.random(); math.random(); math.random()

function file_exists(file)
  local f = io.open(file, "rb")
  if f then f:close() end
  return f ~= nil
end

function shuffle(paths)
  local j, k
  local n = #paths
  for i = 1, n do
    j, k = math.random(n), math.random(n)
    paths[j], paths[k] = paths[k], paths[j]
  end
  return paths
end

function read_lines(file)
  if not file_exists(file) then return {} end
  lines = {}
  for line in io.lines(file) do
    if not (line == '') then
      lines[#lines + 1] = line
    end
    if (#lines % 10000 == 0) then
        print("read " .. #lines .. " lines")
    end
    if #lines == 100000 then
        break
    end
  end
  return shuffle(lines)
end

bodies = read_lines("tql.txt")

print("Found " .. #bodies.. " bodies")

url = '/'
counter = 0
request = function()
    body = bodies[counter]
    counter = counter + 1
    if counter > #bodies then
        counter = 1
    end
    return wrk.format('POST', url, nil, body)
end