transfer-rate

Calculate transfer-rate of request/response with different option for customization. Build a function that, calculate ratio between data and time.

Installation

Install through NPM

npm install transfer-rate

or

git clone git://github.com/hex7c0/transfer-rate.git

API

inside expressjs project

var transfer = require('transfer-rate');
var app = require('express')();

var rate = transfer();

app.get('/', function(req, res) {

  var start = process.hrtime();
  res.send('ok');
  console.log(transfer(req, res, start));
});

Methods

Calculation is store inside res and req Object and returned from function.

req.transferRate

transfer(options) // builder

options

• data String Accepted string are related to http://en.wikipedia.org/wiki/Data_rate_units [Byte, KB, MB, bit, Kb, Mb] (default "KB")
• time - String Accepted string for calculate ratio are [nanosecond, millisecond, second] (default "second")
• response - Boolean Flag for calculate transfer rate of response(true) or request(false) (default "response")
• output - Boolean Flag for display(true) extra information like KB/s or only data(false) as string (default "display")

rate(req, res, start) // calculator

req

• req - Object Client request object (default "required")

res

• res - Object Client response object (default "required")

start

• start - Array High precision time, from process.hrtime() (default "required")

Examples

Take a look at my examples

For chunked data, wait for a fix with event emitter https://github.com/hex7c0/transfer-rate/tree/master/examples/chunk_res.js or use on-finished module

License Apache2