@pm2/io
Version:
PM2.io NodeJS APM
36 lines (35 loc) • 1.17 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const EWMA_1 = require("../EWMA");
const units_1 = require("../units");
class Meter {
constructor(opts) {
this.used = false;
this.mark = function (n = 1) {
this.used = true;
this._rate.update(n);
};
this.val = function () {
return Math.round(this._rate.rate(this._samples * units_1.default.SECONDS) * 100) / 100;
};
const self = this;
if (typeof opts !== 'object') {
opts = {};
}
this._samples = opts.samples || opts.seconds || 1;
this._timeframe = opts.timeframe || 60;
this._tickInterval = opts.tickInterval || 5 * units_1.default.SECONDS;
this._rate = new EWMA_1.default(this._timeframe * units_1.default.SECONDS, this._tickInterval);
if (opts.debug && opts.debug === true) {
return;
}
this._interval = setInterval(function () {
self._rate.tick();
}, this._tickInterval);
this._interval.unref();
}
isUsed() {
return this.used;
}
}
exports.default = Meter;