gistfile1.js

var leveled = require('leveled')
var fs = require('fs')
var http = require('http')

var db

// insert values
if (!fs.existsSync('db')) {
  db = leveled('db')
  var batch = db.batch()
  for (var i = 0, t = Date.now(); i < 120000; i++, t++) {
    batch.put(t, '1337,1337,1337,1337,1337,1337')
  }
  batch.writeSync()
}

if (!db) db = leveled('db')

http.createServer(function (req, res) {
  if (req.url == '/favicon.ico') return res.end()
  var start = Date.now()

  if (req.url == '/') {
    db.find('*', function (err, entries) {
      if (err) return res.end(err.toString())
      print(res, entries)
    })
  } else if (req.url.indexOf(',') > -1) {
    var url = req.url.substr(1, req.url.length - 1)
    var segs = url.split(',')
    db.range(segs[0], segs[1], function (err, entries) {
      if (err) return res.end(err.toString())
      print(res, entries)
    })
  } else {
    var url = req.url.substr(1, req.url.length - 1)
    db.get(url, function (err, val) {
      if (err) return res.end(err.toString())
      res.end(url + ' : ' + val)
    })
  }
}).listen(3000)

/**
 * REPLICATE HERE
 */

/**
 * Utility
 */

function print (res, entries) {
  var buf = []
  Object.keys(entries).forEach(function (key) {
    buf.push(key + ' : ' + entries[key])
  })
  res.end(buf.join('\n'))
}