index.js

const bytes = require('bytes'),
  express = require('express')

let count = 0,
  totalBytes = 0

express()
  .use((req, res) => {
    count++
    let size = 0
    req.on('data', chunk => (
      size += chunk.length
    ))
    req.on('end', () => {
      totalBytes += size
      const total = bytes(
        totalBytes,
        { unitSeparator: ' ' }
      )
      console.log([
        `[FLOOD] #${count}`,
        req.ip,
        `${req.method} ${req.url}`,
        `${size} bytes`,
        `Total: ${total}`
      ].join(' | '))
      res.json({
        requests: count,
        totalBytes,
        total
      })
    })
  })
  .listen(7860)