576 lines
25 KiB
TypeScript
576 lines
25 KiB
TypeScript
import socketIO = require('socket.io');
|
|
import {Socket} from "socket.io";
|
|
import * as http from "http";
|
|
import {MessageUserPosition, Point} from "../Model/Websocket/MessageUserPosition"; //TODO fix import by "_Model/.."
|
|
import {ExSocketInterface} from "../Model/Websocket/ExSocketInterface"; //TODO fix import by "_Model/.."
|
|
import Jwt, {JsonWebTokenError} from "jsonwebtoken";
|
|
import {SECRET_KEY, MINIMUM_DISTANCE, GROUP_RADIUS, ALLOW_ARTILLERY} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..."
|
|
import {World} from "../Model/World";
|
|
import {Group} from "../Model/Group";
|
|
import {UserInterface} from "../Model/UserInterface";
|
|
import {isSetPlayerDetailsMessage,} from "../Model/Websocket/SetPlayerDetailsMessage";
|
|
import {MessageUserJoined} from "../Model/Websocket/MessageUserJoined";
|
|
import {MessageUserMoved} from "../Model/Websocket/MessageUserMoved";
|
|
import si from "systeminformation";
|
|
import {Gauge} from "prom-client";
|
|
import {TokenInterface} from "../Controller/AuthenticateController";
|
|
import {isJoinRoomMessageInterface} from "../Model/Websocket/JoinRoomMessage";
|
|
import {isPointInterface, PointInterface} from "../Model/Websocket/PointInterface";
|
|
import {isWebRtcSignalMessageInterface} from "../Model/Websocket/WebRtcSignalMessage";
|
|
import {UserInGroupInterface} from "../Model/Websocket/UserInGroupInterface";
|
|
import {uuid} from 'uuidv4';
|
|
import {isUserMovesInterface} from "../Model/Websocket/UserMovesMessage";
|
|
import {isViewport} from "../Model/Websocket/ViewportMessage";
|
|
|
|
enum SockerIoEvent {
|
|
CONNECTION = "connection",
|
|
DISCONNECT = "disconnect",
|
|
JOIN_ROOM = "join-room", // bi-directional
|
|
USER_POSITION = "user-position", // From client to server
|
|
USER_MOVED = "user-moved", // From server to client
|
|
USER_LEFT = "user-left", // From server to client
|
|
WEBRTC_SIGNAL = "webrtc-signal",
|
|
WEBRTC_SCREEN_SHARING_SIGNAL = "webrtc-screen-sharing-signal",
|
|
WEBRTC_START = "webrtc-start",
|
|
WEBRTC_DISCONNECT = "webrtc-disconect",
|
|
MESSAGE_ERROR = "message-error",
|
|
GROUP_CREATE_UPDATE = "group-create-update",
|
|
GROUP_DELETE = "group-delete",
|
|
SET_PLAYER_DETAILS = "set-player-details",
|
|
SET_SILENT = "set_silent", // Set or unset the silent mode for this user.
|
|
SET_VIEWPORT = "set-viewport",
|
|
BATCH = "batch",
|
|
}
|
|
|
|
function emitInBatch(socket: ExSocketInterface, event: string | symbol, payload: unknown): void {
|
|
socket.batchedMessages.push({ event, payload});
|
|
|
|
if (socket.batchTimeout === null) {
|
|
socket.batchTimeout = setTimeout(() => {
|
|
socket.emit(SockerIoEvent.BATCH, socket.batchedMessages);
|
|
socket.batchedMessages = [];
|
|
socket.batchTimeout = null;
|
|
}, 100);
|
|
}
|
|
}
|
|
|
|
export class IoSocketController {
|
|
public readonly Io: socketIO.Server;
|
|
private Worlds: Map<string, World> = new Map<string, World>();
|
|
private sockets: Map<string, ExSocketInterface> = new Map<string, ExSocketInterface>();
|
|
private nbClientsGauge: Gauge<string>;
|
|
private nbClientsPerRoomGauge: Gauge<string>;
|
|
|
|
constructor(server: http.Server) {
|
|
this.Io = socketIO(server);
|
|
this.nbClientsGauge = new Gauge({
|
|
name: 'workadventure_nb_sockets',
|
|
help: 'Number of connected sockets',
|
|
labelNames: [ ]
|
|
});
|
|
this.nbClientsPerRoomGauge = new Gauge({
|
|
name: 'workadventure_nb_clients_per_room',
|
|
help: 'Number of clients per room',
|
|
labelNames: [ 'room' ]
|
|
});
|
|
|
|
// Authentication with token. it will be decoded and stored in the socket.
|
|
// Completely commented for now, as we do not use the "/login" route at all.
|
|
this.Io.use((socket: Socket, next) => {
|
|
console.log(socket.handshake.query.token);
|
|
if (!socket.handshake.query || !socket.handshake.query.token) {
|
|
console.error('An authentication error happened, a user tried to connect without a token.');
|
|
return next(new Error('Authentication error'));
|
|
}
|
|
if(socket.handshake.query.token === 'test'){
|
|
if (ALLOW_ARTILLERY) {
|
|
(socket as ExSocketInterface).token = socket.handshake.query.token;
|
|
(socket as ExSocketInterface).userId = uuid();
|
|
(socket as ExSocketInterface).isArtillery = true;
|
|
console.log((socket as ExSocketInterface).userId);
|
|
next();
|
|
return;
|
|
} else {
|
|
console.warn("In order to perform a load-testing test on this environment, you must set the ALLOW_ARTILLERY environment variable to 'true'");
|
|
next();
|
|
}
|
|
}
|
|
(socket as ExSocketInterface).isArtillery = false;
|
|
if(this.searchClientByToken(socket.handshake.query.token)){
|
|
console.error('An authentication error happened, a user tried to connect while its token is already connected.');
|
|
return next(new Error('Authentication error'));
|
|
}
|
|
Jwt.verify(socket.handshake.query.token, SECRET_KEY, (err: JsonWebTokenError, tokenDecoded: object) => {
|
|
if (err) {
|
|
console.error('An authentication error happened, invalid JsonWebToken.', err);
|
|
return next(new Error('Authentication error'));
|
|
}
|
|
|
|
if (!this.isValidToken(tokenDecoded)) {
|
|
return next(new Error('Authentication error, invalid token structure'));
|
|
}
|
|
|
|
(socket as ExSocketInterface).token = socket.handshake.query.token;
|
|
(socket as ExSocketInterface).userId = tokenDecoded.userId;
|
|
next();
|
|
});
|
|
});
|
|
|
|
this.ioConnection();
|
|
}
|
|
|
|
private isValidToken(token: object): token is TokenInterface {
|
|
if (typeof((token as TokenInterface).userId) !== 'string') {
|
|
return false;
|
|
}
|
|
if (typeof((token as TokenInterface).name) !== 'string') {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param token
|
|
*/
|
|
searchClientByToken(token: string): ExSocketInterface | null {
|
|
const clients: ExSocketInterface[] = Object.values(this.Io.sockets.sockets) as ExSocketInterface[];
|
|
for (let i = 0; i < clients.length; i++) {
|
|
const client = clients[i];
|
|
if (client.token !== token) {
|
|
continue
|
|
}
|
|
return client;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private sendUpdateGroupEvent(group: Group): void {
|
|
// Let's get the room of the group. To do this, let's get anyone in the group and find its room.
|
|
// Note: this is suboptimal
|
|
const userId = group.getUsers()[0].id;
|
|
const client: ExSocketInterface = this.searchClientByIdOrFail(userId);
|
|
const roomId = client.roomId;
|
|
this.Io.in(roomId).emit(SockerIoEvent.GROUP_CREATE_UPDATE, {
|
|
position: group.getPosition(),
|
|
groupId: group.getId()
|
|
});
|
|
}
|
|
|
|
private sendDeleteGroupEvent(uuid: string, lastUser: UserInterface): void {
|
|
// Let's get the room of the group. To do this, let's get anyone in the group and find its room.
|
|
const userId = lastUser.id;
|
|
const client: ExSocketInterface = this.searchClientByIdOrFail(userId);
|
|
const roomId = client.roomId;
|
|
this.Io.in(roomId).emit(SockerIoEvent.GROUP_DELETE, uuid);
|
|
}
|
|
|
|
ioConnection() {
|
|
this.Io.on(SockerIoEvent.CONNECTION, (socket: Socket) => {
|
|
const client : ExSocketInterface = socket as ExSocketInterface;
|
|
client.batchedMessages = [];
|
|
client.batchTimeout = null;
|
|
client.emitInBatch = (event: string | symbol, payload: unknown): void => {
|
|
emitInBatch(client, event, payload);
|
|
}
|
|
this.sockets.set(client.userId, client);
|
|
|
|
// Let's log server load when a user joins
|
|
const srvSockets = this.Io.sockets.sockets;
|
|
this.nbClientsGauge.inc();
|
|
console.log(new Date().toISOString() + ' A user joined (', Object.keys(srvSockets).length, ' connected users)');
|
|
si.currentLoad().then(data => console.log(' Current load: ', data.avgload));
|
|
si.currentLoad().then(data => console.log(' CPU: ', data.currentload, '%'));
|
|
// End log server load
|
|
|
|
/*join-rom event permit to join one room.
|
|
message :
|
|
userId : user identification
|
|
roomId: room identification
|
|
position: position of user in map
|
|
x: user x position on map
|
|
y: user y position on map
|
|
*/
|
|
socket.on(SockerIoEvent.JOIN_ROOM, (message: unknown, answerFn): void => {
|
|
console.log(SockerIoEvent.JOIN_ROOM, message);
|
|
try {
|
|
if (!isJoinRoomMessageInterface(message)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid JOIN_ROOM message.'});
|
|
console.warn('Invalid JOIN_ROOM message received: ', message);
|
|
return;
|
|
}
|
|
const roomId = message.roomId;
|
|
|
|
const Client = (socket as ExSocketInterface);
|
|
|
|
if (Client.roomId === roomId) {
|
|
return;
|
|
}
|
|
|
|
//leave previous room
|
|
this.leaveRoom(Client);
|
|
|
|
//join new previous room
|
|
const world = this.joinRoom(Client, roomId, message.position);
|
|
|
|
const users = world.setViewport(Client, message.viewport);
|
|
const listOfUsers = users.map((user: UserInterface) => {
|
|
const player: ExSocketInterface|undefined = this.sockets.get(user.id);
|
|
if (player === undefined) {
|
|
console.warn('Something went wrong. The World contains a user "'+user.id+"' but this user does not exist in the sockets list!");
|
|
return null;
|
|
}
|
|
return new MessageUserPosition(user.id, player.name, player.characterLayers, player.position);
|
|
}, users);
|
|
|
|
answerFn(listOfUsers);
|
|
} catch (e) {
|
|
console.error('An error occurred on "join_room" event');
|
|
console.error(e);
|
|
}
|
|
});
|
|
|
|
socket.on(SockerIoEvent.SET_VIEWPORT, (message: unknown): void => {
|
|
try {
|
|
//console.log('SET_VIEWPORT')
|
|
if (!isViewport(message)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid SET_VIEWPORT message.'});
|
|
console.warn('Invalid SET_VIEWPORT message received: ', message);
|
|
return;
|
|
}
|
|
|
|
const Client = (socket as ExSocketInterface);
|
|
Client.viewport = message;
|
|
|
|
const world = this.Worlds.get(Client.roomId);
|
|
if (!world) {
|
|
console.error("Could not find world with id '", Client.roomId, "'");
|
|
return;
|
|
}
|
|
world.setViewport(Client, Client.viewport);
|
|
} catch (e) {
|
|
console.error('An error occurred on "SET_VIEWPORT" event');
|
|
console.error(e);
|
|
}
|
|
});
|
|
|
|
socket.on(SockerIoEvent.USER_POSITION, (userMovesMessage: unknown): void => {
|
|
console.log(SockerIoEvent.USER_POSITION, userMovesMessage);
|
|
try {
|
|
if (!isUserMovesInterface(userMovesMessage)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid USER_POSITION message.'});
|
|
console.warn('Invalid USER_POSITION message received: ', userMovesMessage);
|
|
return;
|
|
}
|
|
|
|
const Client = (socket as ExSocketInterface);
|
|
|
|
// sending to all clients in room except sender
|
|
Client.position = userMovesMessage.position;
|
|
Client.viewport = userMovesMessage.viewport;
|
|
|
|
// update position in the world
|
|
const world = this.Worlds.get(Client.roomId);
|
|
if (!world) {
|
|
console.error("Could not find world with id '", Client.roomId, "'");
|
|
return;
|
|
}
|
|
world.updatePosition(Client, Client.position);
|
|
world.setViewport(Client, Client.viewport);
|
|
} catch (e) {
|
|
console.error('An error occurred on "user_position" event');
|
|
console.error(e);
|
|
}
|
|
});
|
|
|
|
socket.on(SockerIoEvent.WEBRTC_SIGNAL, (data: unknown) => {
|
|
this.emitVideo((socket as ExSocketInterface), data);
|
|
});
|
|
|
|
socket.on(SockerIoEvent.WEBRTC_SCREEN_SHARING_SIGNAL, (data: unknown) => {
|
|
this.emitScreenSharing((socket as ExSocketInterface), data);
|
|
});
|
|
|
|
socket.on(SockerIoEvent.DISCONNECT, () => {
|
|
const Client = (socket as ExSocketInterface);
|
|
try {
|
|
//leave room
|
|
this.leaveRoom(Client);
|
|
|
|
//leave webrtc room
|
|
//socket.leave(Client.webRtcRoomId);
|
|
|
|
//delete all socket information
|
|
delete Client.webRtcRoomId;
|
|
delete Client.roomId;
|
|
delete Client.token;
|
|
delete Client.position;
|
|
} catch (e) {
|
|
console.error('An error occurred on "disconnect"');
|
|
console.error(e);
|
|
}
|
|
this.sockets.delete(Client.userId);
|
|
|
|
// Let's log server load when a user leaves
|
|
const srvSockets = this.Io.sockets.sockets;
|
|
this.nbClientsGauge.dec();
|
|
console.log('A user left (', Object.keys(srvSockets).length, ' connected users)');
|
|
si.currentLoad().then(data => console.log('Current load: ', data.avgload));
|
|
si.currentLoad().then(data => console.log('CPU: ', data.currentload, '%'));
|
|
// End log server load
|
|
});
|
|
|
|
// Let's send the user id to the user
|
|
socket.on(SockerIoEvent.SET_PLAYER_DETAILS, (playerDetails: unknown, answerFn) => {
|
|
console.log(SockerIoEvent.SET_PLAYER_DETAILS, playerDetails);
|
|
if (!isSetPlayerDetailsMessage(playerDetails)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid SET_PLAYER_DETAILS message.'});
|
|
console.warn('Invalid SET_PLAYER_DETAILS message received: ', playerDetails);
|
|
return;
|
|
}
|
|
const Client = (socket as ExSocketInterface);
|
|
Client.name = playerDetails.name;
|
|
Client.characterLayers = playerDetails.characterLayers;
|
|
// Artillery fails when receiving an acknowledgement that is not a JSON object
|
|
if (!Client.isArtillery) {
|
|
answerFn(Client.userId);
|
|
}
|
|
});
|
|
|
|
socket.on(SockerIoEvent.SET_SILENT, (silent: unknown) => {
|
|
console.log(SockerIoEvent.SET_SILENT, silent);
|
|
if (typeof silent !== "boolean") {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid SET_SILENT message.'});
|
|
console.warn('Invalid SET_SILENT message received: ', silent);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
const Client = (socket as ExSocketInterface);
|
|
|
|
// update position in the world
|
|
const world = this.Worlds.get(Client.roomId);
|
|
if (!world) {
|
|
console.error("Could not find world with id '", Client.roomId, "'");
|
|
return;
|
|
}
|
|
world.setSilent(Client, silent);
|
|
} catch (e) {
|
|
console.error('An error occurred on "SET_SILENT"');
|
|
console.error(e);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
emitVideo(socket: ExSocketInterface, data: unknown){
|
|
if (!isWebRtcSignalMessageInterface(data)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid WEBRTC_SIGNAL message.'});
|
|
console.warn('Invalid WEBRTC_SIGNAL message received: ', data);
|
|
return;
|
|
}
|
|
//send only at user
|
|
const client = this.sockets.get(data.receiverId);
|
|
if (client === undefined) {
|
|
console.warn("While exchanging a WebRTC signal: client with id ", data.receiverId, " does not exist. This might be a race condition.");
|
|
return;
|
|
}
|
|
return client.emit(SockerIoEvent.WEBRTC_SIGNAL, {
|
|
userId: socket.userId,
|
|
signal: data.signal
|
|
});
|
|
}
|
|
|
|
emitScreenSharing(socket: ExSocketInterface, data: unknown){
|
|
if (!isWebRtcSignalMessageInterface(data)) {
|
|
socket.emit(SockerIoEvent.MESSAGE_ERROR, {message: 'Invalid WEBRTC_SCREEN_SHARING message.'});
|
|
console.warn('Invalid WEBRTC_SCREEN_SHARING message received: ', data);
|
|
return;
|
|
}
|
|
//send only at user
|
|
const client = this.sockets.get(data.receiverId);
|
|
if (client === undefined) {
|
|
console.warn("While exchanging a WEBRTC_SCREEN_SHARING signal: client with id ", data.receiverId, " does not exist. This might be a race condition.");
|
|
return;
|
|
}
|
|
return client.emit(SockerIoEvent.WEBRTC_SCREEN_SHARING_SIGNAL, {
|
|
userId: socket.userId,
|
|
signal: data.signal
|
|
});
|
|
}
|
|
|
|
searchClientByIdOrFail(userId: string): ExSocketInterface {
|
|
const client: ExSocketInterface|undefined = this.sockets.get(userId);
|
|
if (client === undefined) {
|
|
throw new Error("Could not find user with id " + userId);
|
|
}
|
|
return client;
|
|
}
|
|
|
|
leaveRoom(Client : ExSocketInterface){
|
|
// leave previous room and world
|
|
if(Client.roomId){
|
|
try {
|
|
//user leave previous world
|
|
const world: World | undefined = this.Worlds.get(Client.roomId);
|
|
if (world) {
|
|
world.leave(Client);
|
|
if (world.isEmpty()) {
|
|
this.Worlds.delete(Client.roomId);
|
|
}
|
|
}
|
|
//user leave previous room
|
|
Client.leave(Client.roomId);
|
|
} finally {
|
|
this.nbClientsPerRoomGauge.dec({ room: Client.roomId });
|
|
delete Client.roomId;
|
|
}
|
|
}
|
|
}
|
|
|
|
private joinRoom(Client : ExSocketInterface, roomId: string, position: PointInterface): World {
|
|
//join user in room
|
|
Client.join(roomId);
|
|
this.nbClientsPerRoomGauge.inc({ room: roomId });
|
|
Client.roomId = roomId;
|
|
Client.position = position;
|
|
|
|
//check and create new world for a room
|
|
let world = this.Worlds.get(roomId)
|
|
if(world === undefined){
|
|
world = new World((user1: string, group: Group) => {
|
|
this.connectedUser(user1, group);
|
|
}, (user1: string, group: Group) => {
|
|
this.disConnectedUser(user1, group);
|
|
}, MINIMUM_DISTANCE, GROUP_RADIUS, (group: Group) => {
|
|
this.sendUpdateGroupEvent(group);
|
|
}, (groupUuid: string, lastUser: UserInterface) => {
|
|
this.sendDeleteGroupEvent(groupUuid, lastUser);
|
|
}, (user, listener) => {
|
|
const clientUser = this.searchClientByIdOrFail(user.id);
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
const messageUserJoined = new MessageUserJoined(clientUser.userId, clientUser.name, clientUser.characterLayers, clientUser.position);
|
|
|
|
clientListener.emit(SockerIoEvent.JOIN_ROOM, messageUserJoined);
|
|
//console.log("Sending JOIN_ROOM event");
|
|
}, (user, position, listener) => {
|
|
const clientUser = this.searchClientByIdOrFail(user.id);
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
|
|
clientListener.emitInBatch(SockerIoEvent.USER_MOVED, new MessageUserMoved(clientUser.userId, clientUser.position));
|
|
//console.log("Sending USER_MOVED event");
|
|
}, (user, listener) => {
|
|
const clientUser = this.searchClientByIdOrFail(user.id);
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
|
|
clientListener.emit(SockerIoEvent.USER_LEFT, clientUser.userId);
|
|
//console.log("Sending USER_LEFT event");
|
|
});
|
|
this.Worlds.set(roomId, world);
|
|
}
|
|
|
|
// Dispatch groups position to newly connected user
|
|
world.getGroups().forEach((group: Group) => {
|
|
Client.emit(SockerIoEvent.GROUP_CREATE_UPDATE, {
|
|
position: group.getPosition(),
|
|
groupId: group.getId()
|
|
});
|
|
});
|
|
//join world
|
|
world.join(Client, Client.position);
|
|
return world;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param socket
|
|
* @param roomId
|
|
*/
|
|
joinWebRtcRoom(socket: ExSocketInterface, roomId: string) {
|
|
if (socket.webRtcRoomId === roomId) {
|
|
return;
|
|
}
|
|
socket.join(roomId);
|
|
socket.webRtcRoomId = roomId;
|
|
//if two persons in room share
|
|
if (this.Io.sockets.adapter.rooms[roomId].length < 2 /*|| this.Io.sockets.adapter.rooms[roomId].length >= 4*/) {
|
|
return;
|
|
}
|
|
|
|
// TODO: scanning all sockets is maybe not the most efficient
|
|
const clients: Array<ExSocketInterface> = (Object.values(this.Io.sockets.sockets) as Array<ExSocketInterface>)
|
|
.filter((client: ExSocketInterface) => client.webRtcRoomId && client.webRtcRoomId === roomId);
|
|
//send start at one client to initialise offer webrtc
|
|
//send all users in room to create PeerConnection in front
|
|
clients.forEach((client: ExSocketInterface, index: number) => {
|
|
|
|
const peerClients = clients.reduce((tabs: Array<UserInGroupInterface>, clientId: ExSocketInterface, indexClientId: number) => {
|
|
if (!clientId.userId || clientId.userId === client.userId) {
|
|
return tabs;
|
|
}
|
|
tabs.push({
|
|
userId: clientId.userId,
|
|
name: clientId.name,
|
|
initiator: index <= indexClientId
|
|
});
|
|
return tabs;
|
|
}, []);
|
|
|
|
client.emit(SockerIoEvent.WEBRTC_START, {clients: peerClients, roomId: roomId});
|
|
});
|
|
}
|
|
|
|
/** permit to share user position
|
|
** users position will send in event 'user-position'
|
|
** The data sent is an array with information for each user :
|
|
[
|
|
{
|
|
userId: <string>,
|
|
roomId: <string>,
|
|
position: {
|
|
x : <number>,
|
|
y : <number>,
|
|
direction: <string>
|
|
}
|
|
},
|
|
...
|
|
]
|
|
**/
|
|
|
|
//connected user
|
|
connectedUser(userId: string, group: Group) {
|
|
/*let Client = this.sockets.get(userId);
|
|
if (Client === undefined) {
|
|
return;
|
|
}*/
|
|
const Client = this.searchClientByIdOrFail(userId);
|
|
this.joinWebRtcRoom(Client, group.getId());
|
|
}
|
|
|
|
//disconnect user
|
|
disConnectedUser(userId: string, group: Group) {
|
|
const Client = this.searchClientByIdOrFail(userId);
|
|
Client.to(group.getId()).emit(SockerIoEvent.WEBRTC_DISCONNECT, {
|
|
userId: userId
|
|
});
|
|
|
|
// Most of the time, sending a disconnect event to one of the players is enough (the player will close the connection
|
|
// which will be shut for the other player).
|
|
// However! In the rare case where the WebRTC connection is not yet established, if we close the connection on one of the player,
|
|
// the other player will try connecting until a timeout happens (during this time, the connection icon will be displayed for nothing).
|
|
// So we also send the disconnect event to the other player.
|
|
for (const user of group.getUsers()) {
|
|
Client.emit(SockerIoEvent.WEBRTC_DISCONNECT, {
|
|
userId: user.id
|
|
});
|
|
}
|
|
|
|
//disconnect webrtc room
|
|
if(!Client.webRtcRoomId){
|
|
return;
|
|
}
|
|
Client.leave(Client.webRtcRoomId);
|
|
delete Client.webRtcRoomId;
|
|
}
|
|
}
|