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jechjech
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Add human-readable version of stats under /stats.html.
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‎README‎

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Recordings can be accessed under `/recordings/groupname`. This is only
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available to the administrator of the group.
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Some statistics are available under `/stats.json`. This is only available
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to the server administrator.
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Some statistics are available under `/stats.json`, with a human-readable
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version at `/stats.html`. This is only available to the server administrator.
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## Side menu
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‎static/stats.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Galène statistics</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<link rel="stylesheet" href="/common.css">
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<link rel="author" href="https://www.irif.fr/~jch/"/>
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</head>
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<body>
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<h1 id="title" class="navbar-brand">Galène statistics</h1>
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<table id="stats-table"></table>
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<script src="/stats.js" defer></script>
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</body>
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</html>

‎static/stats.js‎

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// Copyright (c) 2021 by Juliusz Chroboczek.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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'use strict';
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async function listStats() {
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let table = document.getElementById('stats-table');
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let l;
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try {
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l = await (await fetch('/stats.json')).json();
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} catch(e) {
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console.error(e);
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l = [];
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}
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if(l.length === 0) {
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table.textContent = '(No group found.)';
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return;
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}
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for(let i = 0; i < l.length; i++)
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table.appendChild(formatGroup(l[i]));
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}
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function formatGroup(group) {
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let tr = document.createElement('tr');
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let td = document.createElement('td');
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td.textContent = group.name;
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tr.appendChild(td);
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if(group.clients) {
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let td2 = document.createElement('td');
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let table = document.createElement('table');
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for(let i = 0; i < group.clients.length; i++) {
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let client = group.clients[i];
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let tr2 = document.createElement('tr');
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let td3 = document.createElement('td');
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td3.textContent = client.id;
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tr2.appendChild(td3);
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table.appendChild(tr2);
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if(client.up)
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for(let j = 0; j < client.up.length; j++)
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table.appendChild(formatConn('↑', client.up[j]));
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if(client.down)
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for(let j = 0; j < client.down.length; j++)
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table.appendChild(formatConn('↓', client.down[j]));
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}
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td2.appendChild(table);
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tr.appendChild(td2);
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}
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return tr;
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}
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function formatConn(direction, conn) {
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let tr = document.createElement('tr');
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let td = document.createElement('td');
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tr.appendChild(td);
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let td2 = document.createElement('td');
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td2.textContent = conn.id;
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tr.appendChild(td2);
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let td3 = document.createElement('td');
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if(conn.maxBitrate)
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td3.textContent = direction + ' ' + conn.maxBitrate;
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else
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td3.textContent = direction;
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tr.appendChild(td3);
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let td4 = document.createElement('td');
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if(conn.tracks) {
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let table = document.createElement('table');
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for(let i = 0; i < conn.tracks.length; i++)
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table.appendChild(formatTrack(conn.tracks[i]));
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td4.appendChild(table);
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}
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tr.appendChild(td4);
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return tr;
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}
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function formatTrack(track) {
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let tr = document.createElement('tr');
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let td = document.createElement('td');
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if(track.maxBitrate)
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td.textContent = `${track.bitrate||0}/${track.maxBitrate}`;
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else
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td.textContent = `${track.bitrate||0}`;
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tr.appendChild(td);
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let td2 = document.createElement('td');
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td2.textContent = `${Math.round(track.loss * 100)}%`;
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tr.appendChild(td2);
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let td3 = document.createElement('td');
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let text = '';
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if(track.rtt) {
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text = text + `${Math.round(track.rtt * 1000) / 1000}ms`;
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}
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if(track.jitter)
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text = text + `±${Math.round(track.jitter * 1000) / 1000}ms`;
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td3.textContent = text;
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tr.appendChild(td3);
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return tr;
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}
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listStats();

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