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saving download speed and updating it every 30s

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Anthony 2021-09-21 19:07:57 +03:00
parent 594d419fc3
commit 43e96004d3
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2 changed files with 20 additions and 72 deletions
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12
ui/analytics.js
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@ -12,11 +12,13 @@ import { generateInitialUrl } from 'util/url';
import { MATOMO_ID, MATOMO_URL } from 'config';
import getConnectionSpeed from 'util/detect-user-bandwidth';
let downloadSpeed;
getConnectionSpeed(function(speedInMbps){
downloadSpeed = speedInMbps;
console.log(downloadSpeed);
});
let userDownloadBandwidth;
async function getUserBandwidth() {
userDownloadBandwidth = await getConnectionSpeed();
}
getUserBandwidth();
setInterval(getUserBandwidth, 1000 * 30);
const isProduction = process.env.NODE_ENV === 'production';
const devInternalApis = process.env.LBRY_API_URL && process.env.LBRY_API_URL.includes('dev');

80
ui/util/detect-user-bandwidth.js
View file

@ -1,76 +1,22 @@
// var startTime;
// var endTime;
var testConnectionSpeed = {
imageAddr: 'https://upload.wikimedia.org/wikipedia/commons/a/a6/Brandenburger_Tor_abends.jpg', // this is just an example, you rather want an image hosted on your server
downloadSize: 2707459, // this must match with the image above
getConnectionSpeed: function(callback) {
testConnectionSpeed.InitiateSpeedDetection();
testConnectionSpeed.callback = callback;
},
InitiateSpeedDetection: function() {
window.setTimeout(testConnectionSpeed.MeasureConnectionSpeed, 1);
},
result: function() {
var duration = (endTime - startTime) / 1000;
var bitsLoaded = testConnectionSpeed.downloadSize * 8;
var speedBps = (bitsLoaded / duration).toFixed(2);
var speedKbps = (speedBps / 1024).toFixed(2);
var speedMbps = (speedKbps / 1024).toFixed(2);
testConnectionSpeed.callback(speedMbps);
},
MeasureConnectionSpeed: function() {
var download = new Image();
download.onload = function() {
endTime = (new Date()).getTime();
testConnectionSpeed.result();
};
startTime = (new Date()).getTime();
var cacheBuster = '?nnn=' + startTime;
download.src = testConnectionSpeed.imageAddr + cacheBuster;
},
};
function timeout(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
const imageAddr = 'https://upload.wikimedia.org/wikipedia/commons/a/a6/Brandenburger_Tor_abends.jpg';
const downloadSize = 2707459; // this must match with the image above
let startTime, endTime;
function measureConnectionSpeed() {
async function measureConnectionSpeed() {
startTime = (new Date()).getTime();
var cacheBuster = '?nnn=' + startTime;
const cacheBuster = '?nnn=' + startTime;
var download = new Image();
const download = new Image();
download.src = imageAddr + cacheBuster;
download.onload = function() {
endTime = (new Date()).getTime();
var duration = (endTime - startTime) / 1000;
var bitsLoaded = downloadSize * 8;
var speedBps = (bitsLoaded / duration).toFixed(2);
var speedKbps = (speedBps / 1024).toFixed(2);
var speedMbps = (speedKbps / 1024).toFixed(2);
console.log(speedMbps);
return new Promise(resolve => resolve(speedMbps));
// return speedMbps;
};
// this returns when the image is finished downloading
await download.decode();
endTime = (new Date()).getTime();
const duration = (endTime - startTime) / 1000;
const bitsLoaded = downloadSize * 8;
const speedBps = (bitsLoaded / duration).toFixed(2);
const speedKbps = (speedBps / 1024).toFixed(2);
const speedMbps = (speedKbps / 1024).toFixed(2);
return speedMbps;
}
async function getDownloadSpeed() {
await timeout(1);
const downloadSpeed = await measureConnectionSpeed();
console.log(downloadSpeed);
}
// start test immediatly, you could also call this on any event or whenever you want
// testConnectionSpeed.getConnectionSpeed(function(time) { console.log(time) });
module.exports = testConnectionSpeed.getConnectionSpeed;
module.exports = measureConnectionSpeed;