mirror of
https://github.com/jech/galene.git
synced 2024-11-09 18:25:58 +01:00
Split out the javascript protocol interface.
This commit is contained in:
Juliusz Chroboczek
parent
ec742eacdb
commit
3e0bb08955
4 changed files with 1090 additions and 613 deletions
918
static/protocol.js
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918
static/protocol.js
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@ -0,0 +1,918 @@
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// Copyright (c) 2020 by Juliusz Chroboczek.
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// This is not open source software. Copy it, and I'll break into your
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// house and tell your three year-old that Santa doesn't exist.
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'use strict';
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/**
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* toHex formats an array as a hexadecimal string.
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* @returns {string}
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*/
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function toHex(array) {
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let a = new Uint8Array(array);
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function hex(x) {
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let h = x.toString(16);
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if(h.length < 2)
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h = '0' + h;
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return h;
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}
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return a.reduce((x, y) => x + hex(y), '');
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}
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/** randomid returns a random string of 32 hex digits (16 bytes).
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* @returns {string}
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*/
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function randomid() {
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let a = new Uint8Array(16);
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crypto.getRandomValues(a);
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return toHex(a);
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}
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/**
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* ServerConnection encapsulates a websocket connection to the server and
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* all the associated streams.
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* @constructor
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*/
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function ServerConnection() {
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/**
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* The id of this connection.
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* @type {string}
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*/
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this.id = randomid();
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/**
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* The group that we have joined, or nil if we haven't joined yet.
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* @type {string}
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*/
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this.group = null;
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/**
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* The underlying websocket.
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* @type {WebSocket}
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*/
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this.socket = null;
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/**
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* The set of all up streams, indexed by their id.
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* @type {Object.<string,Stream>}
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*/
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this.up = {};
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/**
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* The set of all down streams, indexed by their id.
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* @type {Object.<string,Stream>}
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*/
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this.down = {};
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/**
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* The ICE configuration used by all associated streams.
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* @type {Array.<Object>}
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*/
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this.iceServers = [];
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/**
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* The permissions granted to this connection.
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* @type {Object.<string,boolean>}
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*/
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this.permissions = {};
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/* Callbacks */
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/**
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* onconnected is called when the connection has been established
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* @type{function(): any}
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*/
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this.onconnected = null;
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/**
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* onclose is called when the connection is closed
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* @type{function(number, string): any}
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*/
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this.onclose = null;
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/**
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* onuser is called whenever a user is added or removed from the group
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* @type{function(string, string, string): any}
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*/
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this.onuser = null;
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/**
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* onpermissions is called whenever the current user's permissions change
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* @type{function(Object.<string,boolean>): any}
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*/
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this.onpermissions = null;
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/**
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* ondownstream is called whenever a new down stream is added. It
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* should set up the stream's callbacks; actually setting up the UI
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* should be done in the stream's ondowntrack callback.
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* @type{function(Stream): any}
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*/
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this.ondownstream = null;
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/**
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* onchat is called whenever a new chat message is received.
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* @type {function(string, string, string, string): any}
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*/
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this.onchat = null;
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/**
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* onclearchat is called whenever the server requests that the chat
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* be cleared.
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* @type{function(): any}
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*/
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this.onclearchat = null;
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/**
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* onusermessage is called when the server sends an error or warning
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* message that should be displayed to the user.
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* @type{function(string, string): any}
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*/
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this.onusermessage = null;
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}
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/**
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* @typedef {Object} message
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* @property {string} type
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* @property {string} [kind]
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* @property {string} [id]
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* @property {string} [username]
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* @property {string} [password]
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* @property {Object.<string,boolean>} [permissions]
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* @property {string} [group]
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* @property {string} [value]
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* @property {RTCSessionDescriptionInit} [offer]
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* @property {RTCSessionDescriptionInit} [answer]
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* @property {RTCIceCandidate} [candidate]
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* @property {Object.<string,string>} [labels]
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* @property {Object.<string,(boolean|number)>} [request]
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*/
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/**
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* close forcibly closes a server connection. The onclose callback will
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* be called when the connection is effectively closed.
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*/
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ServerConnection.prototype.close = function() {
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this.socket && this.socket.close(1000, 'Close requested by client');
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this.socket = null;
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}
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/**
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* send sends a message to the server.
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* @param {message} m - the message to send.
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*/
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ServerConnection.prototype.send = function(m) {
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if(this.socket.readyState !== this.socket.OPEN) {
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// send on a closed connection doesn't throw
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throw(new Error('Connection is not open'));
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}
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return this.socket.send(JSON.stringify(m));
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}
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/** getIceServers fetches an ICE configuration from the server and
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* populates the iceServers field of a ServerConnection. It is called
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* lazily by connect.
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*
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* @returns {Promise<Array.<Object>>}
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*/
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ServerConnection.prototype.getIceServers = async function() {
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let r = await fetch('/ice-servers.json');
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if(!r.ok)
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throw new Error("Couldn't fetch ICE servers: " +
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r.status + ' ' + r.statusText);
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let servers = await r.json();
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if(!(servers instanceof Array))
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throw new Error("couldn't parse ICE servers");
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this.iceServers = servers;
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return servers;
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}
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/**
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* Connect connects to the server.
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*
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* @param {string} url - The URL to connect to.
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* @returns {Promise<ServerConnection>}
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*/
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ServerConnection.prototype.connect = function(url) {
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let sc = this;
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if(sc.socket) {
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sc.socket.close(1000, 'Reconnecting');
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sc.socket = null;
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}
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if(!sc.iceServers) {
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try {
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sc.getIceServers();
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} catch(e) {
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console.error(e);
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}
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}
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try {
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sc.socket = new WebSocket(
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`ws${location.protocol === 'https:' ? 's' : ''}://${location.host}/ws`,
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);
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} catch(e) {
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return Promise.reject(e);
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}
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return new Promise((resolve, reject) => {
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this.socket.onerror = function(e) {
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reject(e);
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};
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this.socket.onopen = function(e) {
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if(sc.onconnected)
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sc.onconnected.call(sc);
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resolve(sc);
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};
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this.socket.onclose = function(e) {
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sc.permissions = {};
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if(sc.onpermissions)
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sc.onpermissions.call(sc, {});
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for(let id in sc.down) {
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let c = sc.down[id];
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delete(sc.down[id]);
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c.close(false);
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if(c.onclose)
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c.onclose.call(c);
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}
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if(sc.onclose)
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sc.onclose.call(sc, e.code, e.reason);
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reject(new Error('websocket close ' + e.code + ' ' + e.reason));
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};
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this.socket.onmessage = function(e) {
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let m = JSON.parse(e.data);
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switch(m.type) {
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case 'offer':
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sc.gotOffer(m.id, m.labels, m.offer, m.kind === 'renegotiate');
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break;
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case 'answer':
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sc.gotAnswer(m.id, m.answer);
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break;
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case 'renegotiate':
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sc.gotRenegotiate(m.id)
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break;
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case 'close':
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sc.gotClose(m.id);
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break;
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case 'abort':
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sc.gotAbort(m.id);
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break;
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case 'ice':
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sc.gotICE(m.id, m.candidate);
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break;
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case 'label':
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sc.gotLabel(m.id, m.value);
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break;
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case 'permissions':
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sc.permissions = m.permissions;
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if(sc.onpermissions)
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sc.onpermissions.call(sc, m.permissions);
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break;
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case 'user':
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if(sc.onuser)
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sc.onuser.call(sc, m.id, m.kind, m.username);
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break;
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case 'chat':
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if(sc.onchat)
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sc.onchat.call(sc, m.id, m.username, m.kind, m.value);
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break;
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case 'clearchat':
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if(sc.onclearchat)
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sc.onclearchat.call(sc);
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break;
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case 'ping':
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sc.send({
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type: 'pong',
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});
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break;
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case 'pong':
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/* nothing */
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break;
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case 'usermessage':
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if(sc.onusermessage)
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sc.onusermessage.call(sc, m.kind, m.value)
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break;
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default:
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console.warn('Unexpected server message', m.type);
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return;
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}
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};
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});
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}
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/**
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* login authenticates with the server.
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*
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* @param {string} username
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* @param {string} password
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*/
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ServerConnection.prototype.login = function(username, password) {
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this.send({
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type: 'login',
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id: this.id,
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username: username,
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password: password,
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})
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}
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/**
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* join joins a group.
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*
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* @param {string} group - The name of the group to join.
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*/
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ServerConnection.prototype.join = function(group) {
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this.send({
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type: 'join',
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group: group,
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})
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}
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/**
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* request sets the list of requested media types.
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*
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* @param {string} what - One of "audio", "screenshare" or "everything".
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*/
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ServerConnection.prototype.request = function(what) {
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/** @type {Object.<string,boolean>} */
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let request = {};
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switch(what) {
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case 'audio':
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request = {audio: true};
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break;
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case 'screenshare':
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request = {audio: true, screenshare: true};
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break;
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case 'everything':
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request = {audio: true, screenshare: true, video: true};
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break;
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default:
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console.error(`Uknown value ${what} in sendRequest`);
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break;
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}
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this.send({
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type: 'request',
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request: request,
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});
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}
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/**
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* newUpStream requests the creation of a new up stream.
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*
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* @param {string} id - The id of the stream to create (optional).
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* @returns {Stream}
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*/
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ServerConnection.prototype.newUpStream = function(id) {
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let sc = this;
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if(!id) {
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id = randomid();
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if(sc.up[id])
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throw new Error('Eek!');
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}
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let pc = new RTCPeerConnection({
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iceServers: sc.iceServers,
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});
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if(!pc)
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throw new Error("Couldn't create peer connection");
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if(sc.up[id]) {
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sc.up[id].close(false);
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}
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let c = new Stream(this, id, pc);
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sc.up[id] = c;
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pc.onnegotiationneeded = async e => {
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await c.negotiate();
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}
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pc.onicecandidate = e => {
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if(!e.candidate)
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return;
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sc.send({type: 'ice',
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id: id,
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candidate: e.candidate,
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});
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};
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pc.oniceconnectionstatechange = e => {
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if(c.onstatus)
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c.onstatus.call(c, pc.iceConnectionState);
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if(pc.iceConnectionState === 'failed') {
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try {
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/** @ts-ignore */
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pc.restartIce();
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} catch(e) {
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console.warn(e);
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}
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}
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}
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pc.ontrack = console.error;
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return c;
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}
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/**
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* chat sends a chat message to the server. The server will normally echo
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* the message back to the client.
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*
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* @param {string} username - The username of the sending user.
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* @param {string} kind - The kind of message, either "" or "me".
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* @param {string} message - The text of the message.
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*/
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ServerConnection.prototype.chat = function(username, kind, message) {
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this.send({
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type: 'chat',
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id: this.id,
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username: username,
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kind: kind,
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value: message,
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});
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}
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/**
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* groupAction sends a request to act on the current group.
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*
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* @param {string} kind - One of "clearchat", "lock", "unlock", "record or
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* "unrecord".
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*/
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ServerConnection.prototype.groupAction = function(kind) {
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this.send({
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type: 'groupaction',
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kind: kind,
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});
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}
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/**
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* userAction sends a request to act on a user.
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*
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* @param {string} kind - One of "op", "unop", "kick", "present", "unpresent".
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*/
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ServerConnection.prototype.userAction = function(kind, id) {
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this.send({
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type: 'useraction',
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kind: kind,
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id: id,
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});
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}
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/**
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* Called when we receive an offer from the server. Don't call this.
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*
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* @param {string} id
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* @param labels
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* @param {RTCSessionDescriptionInit} offer
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* @param {boolean} renegotiate
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*/
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ServerConnection.prototype.gotOffer = async function(id, labels, offer, renegotiate) {
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let sc = this;
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let c = sc.down[id];
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if(c && !renegotiate) {
|
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// SDP is rather inflexible as to what can be renegotiated.
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// Unless the server indicates that this is a renegotiation with
|
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// all parameters unchanged, tear down the existing connection.
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delete(sc.down[id])
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c.close(false);
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c = null;
|
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}
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if(!c) {
|
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let pc = new RTCPeerConnection({
|
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iceServers: this.iceServers,
|
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});
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c = new Stream(this, id, pc);
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sc.down[id] = c;
|
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|
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c.pc.onicecandidate = function(e) {
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if(!e.candidate)
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return;
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sc.send({type: 'ice',
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id: id,
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candidate: e.candidate,
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});
|
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};
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pc.oniceconnectionstatechange = e => {
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if(c.onstatus)
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c.onstatus.call(c, pc.iceConnectionState);
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if(pc.iceConnectionState === 'failed') {
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sc.send({type: 'renegotiate',
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id: id,
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});
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}
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}
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c.pc.ontrack = function(e) {
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let label = e.transceiver && c.labelsByMid[e.transceiver.mid];
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if(label) {
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c.labels[e.track.id] = label;
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} else {
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console.warn("Couldn't find label for track");
|
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}
|
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if(c.stream !== e.streams[0]) {
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c.stream = e.streams[0];
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let label =
|
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e.transceiver && c.labelsByMid[e.transceiver.mid];
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c.labels[e.track.id] = label;
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if(c.ondowntrack) {
|
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c.ondowntrack.call(
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c, e.track, e.transceiver, label, e.streams[0],
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||||
);
|
||||
}
|
||||
if(c.onlabel) {
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||||
c.onlabel.call(c, label);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
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||||
|
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c.labelsByMid = labels;
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if(sc.ondownstream)
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||||
sc.ondownstream.call(sc, c);
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||||
|
||||
await c.pc.setRemoteDescription(offer);
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||||
await c.flushIceCandidates();
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||||
let answer = await c.pc.createAnswer();
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||||
if(!answer)
|
||||
throw new Error("Didn't create answer");
|
||||
await c.pc.setLocalDescription(answer);
|
||||
this.send({
|
||||
type: 'answer',
|
||||
id: id,
|
||||
answer: answer,
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive a stream label from the server. Don't call this.
|
||||
*
|
||||
* @param {string} id
|
||||
* @param {string} label
|
||||
*/
|
||||
ServerConnection.prototype.gotLabel = function(id, label) {
|
||||
let c = this.down[id];
|
||||
if(!c)
|
||||
throw new Error('Got label for unknown id');
|
||||
|
||||
c.label = label;
|
||||
if(c.onlabel)
|
||||
c.onlabel.call(c, label);
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive an answer from the server. Don't call this.
|
||||
*
|
||||
* @param {string} id
|
||||
* @param {RTCSessionDescriptionInit} answer
|
||||
*/
|
||||
ServerConnection.prototype.gotAnswer = async function(id, answer) {
|
||||
let c = this.up[id];
|
||||
if(!c)
|
||||
throw new Error('unknown up stream');
|
||||
try {
|
||||
await c.pc.setRemoteDescription(answer);
|
||||
} catch(e) {
|
||||
if(c.onerror)
|
||||
c.onerror.call(c, e);
|
||||
return;
|
||||
}
|
||||
await c.flushIceCandidates();
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive a renegotiation request from the server. Don't
|
||||
* call this.
|
||||
*
|
||||
* @param {string} id
|
||||
*/
|
||||
ServerConnection.prototype.gotRenegotiate = async function(id) {
|
||||
let c = this.up[id];
|
||||
if(!c)
|
||||
throw new Error('unknown up stream');
|
||||
try {
|
||||
/** @ts-ignore */
|
||||
c.pc.restartIce();
|
||||
} catch(e) {
|
||||
console.warn(e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive a close request from the server. Don't call this.
|
||||
*
|
||||
* @param {string} id
|
||||
*/
|
||||
ServerConnection.prototype.gotClose = function(id) {
|
||||
let c = this.down[id];
|
||||
if(!c)
|
||||
throw new Error('unknown down stream');
|
||||
delete(this.down[id]);
|
||||
c.close(false);
|
||||
if(c.onclose)
|
||||
c.onclose.call(c);
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive an abort message from the server. Don't call this.
|
||||
*
|
||||
* @param {string} id
|
||||
*/
|
||||
ServerConnection.prototype.gotAbort = function(id) {
|
||||
let c = this.down[id];
|
||||
if(!c)
|
||||
throw new Error('unknown up stream');
|
||||
if(c.onabort)
|
||||
c.onabort.call(c);
|
||||
}
|
||||
|
||||
/**
|
||||
* Called when we receive an ICE candidate from the server. Don't call this.
|
||||
*
|
||||
* @param {string} id
|
||||
* @param {RTCIceCandidate} candidate
|
||||
*/
|
||||
ServerConnection.prototype.gotICE = async function(id, candidate) {
|
||||
let c = this.up[id];
|
||||
if(!c)
|
||||
c = this.down[id];
|
||||
if(!c)
|
||||
throw new Error('unknown stream');
|
||||
if(c.pc.remoteDescription)
|
||||
await c.pc.addIceCandidate(candidate).catch(console.warn);
|
||||
else
|
||||
c.iceCandidates.push(candidate);
|
||||
}
|
||||
|
||||
/**
|
||||
* Stream encapsulates a MediaStream, a set of tracks.
|
||||
*
|
||||
* A stream is said to go "up" if it is from the client to the server, and
|
||||
* "down" otherwise.
|
||||
*
|
||||
* @param {ServerConnection} sc
|
||||
* @param {string} id
|
||||
* @param {RTCPeerConnection} pc
|
||||
*
|
||||
* @constructor
|
||||
*/
|
||||
function Stream(sc, id, pc) {
|
||||
/**
|
||||
* The associated ServerConnection.
|
||||
*
|
||||
* @type {ServerConnection}
|
||||
*/
|
||||
this.sc = sc;
|
||||
/**
|
||||
* The id of this stream.
|
||||
*
|
||||
* @type {string}
|
||||
*/
|
||||
this.id = id;
|
||||
/**
|
||||
* For up streams, one of "local" or "screenshare".
|
||||
*
|
||||
* @type {string}
|
||||
*/
|
||||
this.kind = null;
|
||||
/**
|
||||
* For down streams, a user-readable label.
|
||||
*
|
||||
* @type {string}
|
||||
*/
|
||||
this.label = null;
|
||||
/**
|
||||
* The associated RTCPeerConnectoin. This is null before the stream
|
||||
* is connected, and may change over time.
|
||||
*
|
||||
* @type {RTCPeerConnection}
|
||||
*/
|
||||
this.pc = pc;
|
||||
/**
|
||||
* The associated MediaStream. This is null before the stream is
|
||||
* connected, and may change over time.
|
||||
*
|
||||
* @type {MediaStream}
|
||||
*/
|
||||
this.stream = null;
|
||||
/**
|
||||
* Track labels, indexed by track id.
|
||||
*
|
||||
* @type {Object.<string,string>}
|
||||
*/
|
||||
this.labels = {};
|
||||
/**
|
||||
* Track labels, indexed by mid.
|
||||
*
|
||||
* @type {Object.<string,string>}
|
||||
*/
|
||||
this.labelsByMid = {};
|
||||
/**
|
||||
* Buffered ICE candidates. This will be flushed by flushIceCandidates
|
||||
* when the PC becomes stable.
|
||||
*
|
||||
* @type {Array.<RTCIceCandidate>}
|
||||
*/
|
||||
this.iceCandidates = [];
|
||||
/**
|
||||
* The statistics last computed by the stats handler. This is
|
||||
* a dictionary indexed by track id, with each value a disctionary of
|
||||
* statistics.
|
||||
*
|
||||
* @type {Object.<string,any>}
|
||||
*/
|
||||
this.stats = {};
|
||||
/**
|
||||
* The id of the periodic handler that computes statistics, as
|
||||
* returned by setInterval.
|
||||
*
|
||||
* @type {number}
|
||||
*/
|
||||
this.statsHandler = null;
|
||||
|
||||
/* Callbacks */
|
||||
|
||||
/**
|
||||
* onclose is called when the stream is closed.
|
||||
*
|
||||
* @type{function(): any}
|
||||
*/
|
||||
this.onclose = null;
|
||||
/**
|
||||
* onerror is called whenever an error occurs. If the error is
|
||||
* fatal, then onclose will be called afterwards.
|
||||
*
|
||||
* @type{function(any): any}
|
||||
*/
|
||||
this.onerror = null;
|
||||
/**
|
||||
* ondowntrack is called whenever a new track is added to a stream.
|
||||
* If the stream parameter differs from its previous value, then it
|
||||
* indicates that the old stream has been discarded.
|
||||
*
|
||||
* @type{function(MediaStreamTrack, RTCRtpTransceiver, string, MediaStream): any}
|
||||
*/
|
||||
this.ondowntrack = null;
|
||||
/**
|
||||
* onlabel is called whenever the server sets a new label for the stream.
|
||||
*
|
||||
* @type{function(string): any}
|
||||
*/
|
||||
this.onlabel = null;
|
||||
/**
|
||||
* onstatus is called whenever the status of the stream changes.
|
||||
*
|
||||
* @type{function(string): any}
|
||||
*/
|
||||
this.onstatus = null;
|
||||
/**
|
||||
* onabort is called when the server requested that an up stream be
|
||||
* closed. It is the resposibility of the client to close the stream.
|
||||
*
|
||||
* @type{function(): any}
|
||||
*/
|
||||
this.onabort = null;
|
||||
/**
|
||||
* onstats is called when we have new statistics about the connection
|
||||
*
|
||||
* @type{function(Object.<string,any>): any}
|
||||
*/
|
||||
this.onstats = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* close closes an up stream. It should not be called for down streams.
|
||||
* @param {boolean} sendclose - whether to send a close message to the server
|
||||
*/
|
||||
Stream.prototype.close = function(sendclose) {
|
||||
let c = this;
|
||||
if(c.statsHandler) {
|
||||
clearInterval(c.statsHandler);
|
||||
c.statsHandler = null;
|
||||
}
|
||||
|
||||
if(c.stream) {
|
||||
c.stream.getTracks().forEach(t => {
|
||||
try {
|
||||
t.stop();
|
||||
} catch(e) {
|
||||
}
|
||||
});
|
||||
}
|
||||
c.pc.close();
|
||||
|
||||
if(sendclose) {
|
||||
try {
|
||||
c.sc.send({
|
||||
type: 'close',
|
||||
id: c.id,
|
||||
});
|
||||
} catch(e) {
|
||||
}
|
||||
}
|
||||
c.sc = null;
|
||||
};
|
||||
|
||||
/**
|
||||
* flushIceCandidates flushes any buffered ICE candidates. It is called
|
||||
* automatically when the connection reaches a stable state.
|
||||
*/
|
||||
Stream.prototype.flushIceCandidates = async function () {
|
||||
let promises = [];
|
||||
this.iceCandidates.forEach(c => {
|
||||
promises.push(this.pc.addIceCandidate(c).catch(console.warn));
|
||||
});
|
||||
this.iceCandidates = [];
|
||||
return await Promise.all(promises);
|
||||
}
|
||||
|
||||
/**
|
||||
* negotiate negotiates or renegotiates an up stream. It is called
|
||||
* automatically when required. If the client requires renegotiation, it
|
||||
* is probably more effective to call restartIce on the underlying PC
|
||||
* rather than invoking this function directly.
|
||||
*/
|
||||
Stream.prototype.negotiate = async function () {
|
||||
let c = this;
|
||||
|
||||
let offer = await c.pc.createOffer();
|
||||
if(!offer)
|
||||
throw(new Error("Didn't create offer"));
|
||||
await c.pc.setLocalDescription(offer);
|
||||
|
||||
// mids are not known until this point
|
||||
c.pc.getTransceivers().forEach(t => {
|
||||
if(t.sender && t.sender.track) {
|
||||
let label = c.labels[t.sender.track.id];
|
||||
if(label)
|
||||
c.labelsByMid[t.mid] = label;
|
||||
else
|
||||
console.warn("Couldn't find label for track");
|
||||
}
|
||||
});
|
||||
|
||||
c.sc.send({
|
||||
type: 'offer',
|
||||
kind: 'renegotiate',
|
||||
id: c.id,
|
||||
labels: c.labelsByMid,
|
||||
offer: offer,
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* updateStats is called periodically, if requested by setStatsInterval,
|
||||
* in order to recompute stream statistics and invoke the onstats handler.
|
||||
*
|
||||
* @returns {Promise<void>}
|
||||
*/
|
||||
Stream.prototype.updateStats = async function() {
|
||||
let c = this;
|
||||
let old = c.stats;
|
||||
let stats = {};
|
||||
|
||||
let transceivers = c.pc.getTransceivers();
|
||||
for(let i = 0; i < transceivers.length; i++) {
|
||||
let t = transceivers[i];
|
||||
let tid = t.sender.track && t.sender.track.id;
|
||||
if(!tid)
|
||||
continue;
|
||||
|
||||
let report;
|
||||
try {
|
||||
report = await t.sender.getStats();
|
||||
} catch(e) {
|
||||
continue;
|
||||
}
|
||||
|
||||
stats[tid] = {};
|
||||
|
||||
for(let r of report.values()) {
|
||||
if(r.type !== 'outbound-rtp')
|
||||
continue;
|
||||
|
||||
stats[tid].timestamp = r.timestamp;
|
||||
stats[tid].bytesSent = r.bytesSent;
|
||||
if(old[tid] && old[tid].timestamp) {
|
||||
stats[tid].rate =
|
||||
((r.bytesSent - old[tid].bytesSent) * 1000 /
|
||||
(r.timestamp - old[tid].timestamp)) * 8;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
c.stats = stats;
|
||||
|
||||
if(c.onstats)
|
||||
c.onstats.call(c, c.stats);
|
||||
}
|
||||
|
||||
/**
|
||||
* setStatsInterval sets the interval in milliseconds at which the onstats
|
||||
* handler will be called. This is only useful for up streams.
|
||||
*
|
||||
* @param {number} ms
|
||||
*/
|
||||
Stream.prototype.setStatsInterval = function(ms) {
|
||||
let c = this;
|
||||
if(c.statsHandler) {
|
||||
clearInterval(c.statsHandler);
|
||||
c.statsHandler = null;
|
||||
}
|
||||
|
||||
if(ms <= 0)
|
||||
return;
|
||||
|
||||
c.statsHandler = setInterval(() => {
|
||||
c.updateStats();
|
||||
}, ms);
|
||||
}
|
||||
|
||||
|
|
@ -76,6 +76,7 @@
|
|||
<div id="peers"></div>
|
||||
</div>
|
||||
|
||||
<script src="/sfu.js" defer></script>
|
||||
<script src="/protocol.js" defer></script>
|
||||
<script src="/sfu.js" defer></script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
|
|||
769
static/sfu.js
769
static/sfu.js
File diff suppressed because it is too large
Load diff
13
static/tsconfig.json
Normal file
13
static/tsconfig.json
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
{
|
||||
"compilerOptions": {
|
||||
"target": "ES6",
|
||||
"allowJs": true,
|
||||
"checkJs": true,
|
||||
"declaration": true,
|
||||
"emitDeclarationOnly": true,
|
||||
"strictBindCallApply": true
|
||||
},
|
||||
"files": [
|
||||
"protocol.js"
|
||||
]
|
||||
}
|
||||
Loading…
Reference in a new issue