Edit File: Meter.js
var units = require('./units') var EWMA = require('./EWMA') function Meter(opts) { var self = this this._tickInterval = units.SECONDS this._samples = opts.seconds || 1 this._timeframe = opts.timeframe || 60 this._rate = new EWMA(units.SECONDS, this._tickInterval) this._interval = setInterval(function() { self._rate.tick() }, this._tickInterval) this._interval.unref() } Meter.RATE_UNIT = units.SECONDS Meter.prototype.mark = function(n) { n = n || 1 this._rate.update(n) } Meter.prototype.val = function() { return Math.round(this._rate.rate(Meter.RATE_UNIT) * 100 ) / 100 } module.exports = Meter
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