blinksocks/lib/utils/speed-tester.js
2019-02-13 13:18:48 +08:00

40 lines
926 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.SpeedTester = void 0;
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
class SpeedTester {
constructor() {
_defineProperty(this, "_totalBytes", 0);
_defineProperty(this, "_lastTime", Date.now());
_defineProperty(this, "_lastSpeed", 0);
}
feed(bytes) {
this._totalBytes += bytes;
}
getSpeed() {
const now = Date.now();
const timeDiff = now - this._lastTime;
if (timeDiff > 0) {
const speed = this._totalBytes / (timeDiff / 1e3);
this._lastTime = now;
this._lastSpeed = speed;
this._totalBytes = 0;
return speed;
} else {
return this._lastSpeed;
}
}
}
exports.SpeedTester = SpeedTester;