885 lines
36 KiB
TypeScript
885 lines
36 KiB
TypeScript
import {ExSocketInterface} from "../Model/Websocket/ExSocketInterface"; //TODO fix import by "_Model/.."
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import Jwt from "jsonwebtoken";
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import {SECRET_KEY, MINIMUM_DISTANCE, GROUP_RADIUS, ALLOW_ARTILLERY} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..."
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import {GameRoom} from "../Model/GameRoom";
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import {Group} from "../Model/Group";
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import {User} from "../Model/User";
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import {isSetPlayerDetailsMessage,} from "../Model/Websocket/SetPlayerDetailsMessage";
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import {Gauge} from "prom-client";
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import {TokenInterface} from "../Controller/AuthenticateController";
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import {PointInterface} from "../Model/Websocket/PointInterface";
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import {uuid} from 'uuidv4';
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import {Movable} from "../Model/Movable";
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import {
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PositionMessage,
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SetPlayerDetailsMessage,
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SubMessage,
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UserMovedMessage,
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BatchMessage,
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GroupUpdateMessage,
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PointMessage,
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GroupDeleteMessage,
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UserJoinedMessage,
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UserLeftMessage,
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ItemEventMessage,
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ViewportMessage,
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ClientToServerMessage,
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ErrorMessage,
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RoomJoinedMessage,
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ItemStateMessage,
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ServerToClientMessage,
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SetUserIdMessage,
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SilentMessage,
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WebRtcSignalToClientMessage,
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WebRtcSignalToServerMessage,
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WebRtcStartMessage,
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WebRtcDisconnectMessage,
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PlayGlobalMessage,
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} from "../Messages/generated/messages_pb";
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import {UserMovesMessage} from "../Messages/generated/messages_pb";
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import Direction = PositionMessage.Direction;
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import {ProtobufUtils} from "../Model/Websocket/ProtobufUtils";
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import {TemplatedApp} from "uWebSockets.js"
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import {parse} from "query-string";
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import {cpuTracker} from "../Services/CpuTracker";
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import {ViewportInterface} from "../Model/Websocket/ViewportMessage";
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function emitInBatch(socket: ExSocketInterface, payload: SubMessage): void {
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socket.batchedMessages.addPayload(payload);
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if (socket.batchTimeout === null) {
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socket.batchTimeout = setTimeout(() => {
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if (socket.disconnecting) {
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return;
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}
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setBatchmessage(socket.batchedMessages);
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socket.send(serverToClientMessage.serializeBinary().buffer, true);
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socket.batchedMessages = new BatchMessage();
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socket.batchTimeout = null;
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}, 100);
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}
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}
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export class IoSocketController {
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private Worlds: Map<string, GameRoom> = new Map<string, GameRoom>();
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private sockets: Map<number, ExSocketInterface> = new Map<number, ExSocketInterface>();
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private nbClientsGauge: Gauge<string>;
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private nbClientsPerRoomGauge: Gauge<string>;
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private nextUserId: number = 1;
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constructor(private readonly app: TemplatedApp) {
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this.nbClientsGauge = new Gauge({
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name: 'workadventure_nb_sockets',
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help: 'Number of connected sockets',
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labelNames: [ ]
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});
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this.nbClientsPerRoomGauge = new Gauge({
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name: 'workadventure_nb_clients_per_room',
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help: 'Number of clients per room',
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labelNames: [ 'room' ]
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});
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this.ioConnection();
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}
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private isValidToken(token: object): token is TokenInterface {
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if (typeof((token as TokenInterface).userUuid) !== 'string') {
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return false;
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}
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return true;
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}
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private async getUserUuidFromToken(token: unknown): Promise<string> {
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if (!token) {
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throw new Error('An authentication error happened, a user tried to connect without a token.');
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}
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if (typeof(token) !== "string") {
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throw new Error('Token is expected to be a string');
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}
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if(token === 'test') {
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if (ALLOW_ARTILLERY) {
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return uuid();
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} else {
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throw new Error("In order to perform a load-testing test on this environment, you must set the ALLOW_ARTILLERY environment variable to 'true'");
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}
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}
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return new Promise<string>((resolve, reject) => {
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Jwt.verify(token, SECRET_KEY, {},(err, tokenDecoded) => {
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const tokenInterface = tokenDecoded as TokenInterface;
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if (err) {
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console.error('An authentication error happened, invalid JsonWebToken.', err);
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reject(new Error('An authentication error happened, invalid JsonWebToken. '+err.message));
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return;
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}
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if (tokenDecoded === undefined) {
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console.error('Empty token found.');
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reject(new Error('Empty token found.'));
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return;
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}
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if (!this.isValidToken(tokenInterface)) {
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reject(new Error('Authentication error, invalid token structure.'));
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return;
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}
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resolve(tokenInterface.userUuid);
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});
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});
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}
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ioConnection() {
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this.app.ws('/room/*', {
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/* Options */
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//compression: uWS.SHARED_COMPRESSOR,
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maxPayloadLength: 16 * 1024 * 1024,
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maxBackpressure: 65536, // Maximum 64kB of data in the buffer.
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//idleTimeout: 10,
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upgrade: (res, req, context) => {
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//console.log('An Http connection wants to become WebSocket, URL: ' + req.getUrl() + '!');
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(async () => {
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/* Keep track of abortions */
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const upgradeAborted = {aborted: false};
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res.onAborted(() => {
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/* We can simply signal that we were aborted */
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upgradeAborted.aborted = true;
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});
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try {
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const query = parse(req.getQuery());
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const roomId = req.getUrl().substr(6);
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const token = query.token;
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const x = Number(query.x);
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const y = Number(query.y);
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const top = Number(query.top);
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const bottom = Number(query.bottom);
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const left = Number(query.left);
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const right = Number(query.right);
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const name = query.name;
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if (typeof name !== 'string') {
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throw new Error('Expecting name');
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}
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if (name === '') {
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throw new Error('No empty name');
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}
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let characterLayers = query.characterLayers;
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if (characterLayers === null) {
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throw new Error('Expecting skin');
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}
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if (typeof characterLayers === 'string') {
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characterLayers = [ characterLayers ];
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}
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const userUuid = await this.getUserUuidFromToken(token);
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if (upgradeAborted.aborted) {
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console.log("Ouch! Client disconnected before we could upgrade it!");
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/* You must not upgrade now */
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return;
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}
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/* This immediately calls open handler, you must not use res after this call */
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res.upgrade({
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// Data passed here is accessible on the "websocket" socket object.
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url: req.getUrl(),
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token,
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userUuid,
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roomId,
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name,
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characterLayers,
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position: {
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x: x,
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y: y,
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direction: 'down',
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moving: false
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} as PointInterface,
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viewport: {
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top,
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right,
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bottom,
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left
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}
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},
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/* Spell these correctly */
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req.getHeader('sec-websocket-key'),
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req.getHeader('sec-websocket-protocol'),
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req.getHeader('sec-websocket-extensions'),
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context);
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} catch (e) {
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if (e instanceof Error) {
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console.warn(e.message);
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res.writeStatus("401 Unauthorized").end(e.message);
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} else {
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console.warn(e);
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res.writeStatus("500 Internal Server Error").end('An error occurred');
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}
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return;
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}
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})();
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},
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/* Handlers */
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open: (ws) => {
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const client : ExSocketInterface = ws as ExSocketInterface;
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client.userId = this.nextUserId;
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this.nextUserId++;
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client.userUuid = ws.userUuid;
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client.token = ws.token;
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client.batchedMessages = new BatchMessage();
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client.batchTimeout = null;
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client.emitInBatch = (payload: SubMessage): void => {
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emitInBatch(client, payload);
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}
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client.disconnecting = false;
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client.name = ws.name;
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client.characterLayers = ws.characterLayers;
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client.roomId = ws.roomId;
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this.sockets.set(client.userId, client);
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// Let's log server load when a user joins
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this.nbClientsGauge.inc();
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console.log(new Date().toISOString() + ' A user joined (', this.sockets.size, ' connected users)');
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// Let's join the room
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this.handleJoinRoom(client, client.roomId, client.position, client.viewport, client.name, client.characterLayers);
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/*const isGranted = await adminApi.memberIsGrantedAccessToRoom(client.userUuid, roomId);
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if (!isGranted) {
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throw Error('Client cannot acces this ressource.');
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}*/
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const setUserIdMessage = new SetUserIdMessage();
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setUserIdMessage.setUserid(client.userId);
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setSetuseridmessage(setUserIdMessage);
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if (!client.disconnecting) {
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client.send(serverToClientMessage.serializeBinary().buffer, true);
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}
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},
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message: (ws, arrayBuffer, isBinary): void => {
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const client = ws as ExSocketInterface;
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const message = ClientToServerMessage.deserializeBinary(new Uint8Array(arrayBuffer));
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if (message.hasViewportmessage()) {
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this.handleViewport(client, message.getViewportmessage() as ViewportMessage);
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} else if (message.hasUsermovesmessage()) {
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this.handleUserMovesMessage(client, message.getUsermovesmessage() as UserMovesMessage);
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} else if (message.hasSetplayerdetailsmessage()) {
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this.handleSetPlayerDetails(client, message.getSetplayerdetailsmessage() as SetPlayerDetailsMessage);
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} else if (message.hasSilentmessage()) {
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this.handleSilentMessage(client, message.getSilentmessage() as SilentMessage);
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} else if (message.hasItemeventmessage()) {
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this.handleItemEvent(client, message.getItemeventmessage() as ItemEventMessage);
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} else if (message.hasWebrtcsignaltoservermessage()) {
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this.emitVideo(client, message.getWebrtcsignaltoservermessage() as WebRtcSignalToServerMessage)
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} else if (message.hasWebrtcscreensharingsignaltoservermessage()) {
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this.emitScreenSharing(client, message.getWebrtcscreensharingsignaltoservermessage() as WebRtcSignalToServerMessage)
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} else if (message.hasPlayglobalmessage()) {
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this.emitPlayGlobalMessage(client, message.getPlayglobalmessage() as PlayGlobalMessage)
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}
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/* Ok is false if backpressure was built up, wait for drain */
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//let ok = ws.send(message, isBinary);
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},
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drain: (ws) => {
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console.log('WebSocket backpressure: ' + ws.getBufferedAmount());
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},
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close: (ws, code, message) => {
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const Client = (ws as ExSocketInterface);
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try {
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Client.disconnecting = true;
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//leave room
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this.leaveRoom(Client);
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//delete all socket information
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/*delete Client.roomId;
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delete Client.token;
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delete Client.position;*/
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} catch (e) {
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console.error('An error occurred on "disconnect"');
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console.error(e);
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}
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this.sockets.delete(Client.userId);
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// Let's log server load when a user leaves
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this.nbClientsGauge.dec();
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console.log('A user left (', this.sockets.size, ' connected users)');
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}
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})
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// TODO: finish this!
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/*this.Io.on(SocketIoEvent.CONNECTION, (socket: Socket) => {
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socket.on(SocketIoEvent.WEBRTC_SIGNAL, (data: unknown) => {
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this.emitVideo((socket as ExSocketInterface), data);
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});
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socket.on(SocketIoEvent.WEBRTC_SCREEN_SHARING_SIGNAL, (data: unknown) => {
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this.emitScreenSharing((socket as ExSocketInterface), data);
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});
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});*/
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}
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private emitError(Client: ExSocketInterface, message: string): void {
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const errorMessage = new ErrorMessage();
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errorMessage.setMessage(message);
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setErrormessage(errorMessage);
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if (!Client.disconnecting) {
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Client.send(serverToClientMessage.serializeBinary().buffer, true);
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}
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console.warn(message);
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}
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private async handleJoinRoom(client: ExSocketInterface, roomId: string, position: PointInterface, viewport: ViewportInterface, name: string, characterLayers: string[]): Promise<void> {
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try {
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//join new previous room
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const gameRoom = await this.joinRoom(client, roomId, position);
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const things = gameRoom.setViewport(client, viewport);
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const roomJoinedMessage = new RoomJoinedMessage();
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for (const thing of things) {
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if (thing instanceof User) {
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const player: ExSocketInterface|undefined = this.sockets.get(thing.id);
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if (player === undefined) {
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console.warn('Something went wrong. The World contains a user "'+thing.id+"' but this user does not exist in the sockets list!");
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continue;
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}
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const userJoinedMessage = new UserJoinedMessage();
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userJoinedMessage.setUserid(thing.id);
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userJoinedMessage.setName(player.name);
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userJoinedMessage.setCharacterlayersList(player.characterLayers);
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userJoinedMessage.setPosition(ProtobufUtils.toPositionMessage(player.position));
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roomJoinedMessage.addUser(userJoinedMessage);
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} else if (thing instanceof Group) {
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const groupUpdateMessage = new GroupUpdateMessage();
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groupUpdateMessage.setGroupid(thing.getId());
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groupUpdateMessage.setPosition(ProtobufUtils.toPointMessage(thing.getPosition()));
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roomJoinedMessage.addGroup(groupUpdateMessage);
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} else {
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console.error("Unexpected type for Movable returned by setViewport");
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}
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}
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for (const [itemId, item] of gameRoom.getItemsState().entries()) {
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const itemStateMessage = new ItemStateMessage();
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itemStateMessage.setItemid(itemId);
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itemStateMessage.setStatejson(JSON.stringify(item));
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roomJoinedMessage.addItem(itemStateMessage);
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}
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const serverToClientMessage = new ServerToClientMessage();
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serverToClientMessage.setRoomjoinedmessage(roomJoinedMessage);
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if (!client.disconnecting) {
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client.send(serverToClientMessage.serializeBinary().buffer, true);
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}
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} catch (e) {
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console.error('An error occurred on "join_room" event');
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console.error(e);
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}
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}
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private handleViewport(client: ExSocketInterface, viewportMessage: ViewportMessage) {
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try {
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const viewport = viewportMessage.toObject();
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client.viewport = viewport;
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const world = this.Worlds.get(client.roomId);
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if (!world) {
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console.error("In SET_VIEWPORT, could not find world with id '", client.roomId, "'");
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return;
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}
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world.setViewport(client, client.viewport);
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} catch (e) {
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console.error('An error occurred on "SET_VIEWPORT" event');
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console.error(e);
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}
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}
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private handleUserMovesMessage(client: ExSocketInterface, userMovesMessage: UserMovesMessage) {
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//console.log(SockerIoEvent.USER_POSITION, userMovesMessage);
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try {
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const userMoves = userMovesMessage.toObject();
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// If CPU is high, let's drop messages of users moving (we will only dispatch the final position)
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if (cpuTracker.isOverHeating() && userMoves.position?.moving === true) {
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return;
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}
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const position = userMoves.position;
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if (position === undefined) {
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throw new Error('Position not found in message');
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}
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const viewport = userMoves.viewport;
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if (viewport === undefined) {
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throw new Error('Viewport not found in message');
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}
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let direction: string;
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switch (position.direction) {
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case Direction.UP:
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direction = 'up';
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break;
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case Direction.DOWN:
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direction = 'down';
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break;
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case Direction.LEFT:
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direction = 'left';
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break;
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case Direction.RIGHT:
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direction = 'right';
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break;
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default:
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throw new Error("Unexpected direction");
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}
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// sending to all clients in room except sender
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client.position = {
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x: position.x,
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y: position.y,
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direction,
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moving: position.moving,
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};
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client.viewport = viewport;
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// update position in the world
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const world = this.Worlds.get(client.roomId);
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if (!world) {
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console.error("In USER_POSITION, could not find world with id '", client.roomId, "'");
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return;
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}
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world.updatePosition(client, client.position);
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world.setViewport(client, client.viewport);
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} catch (e) {
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console.error('An error occurred on "user_position" event');
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console.error(e);
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}
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}
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// Useless now, will be useful again if we allow editing details in game
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private handleSetPlayerDetails(client: ExSocketInterface, playerDetailsMessage: SetPlayerDetailsMessage) {
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const playerDetails = {
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name: playerDetailsMessage.getName(),
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characterLayers: playerDetailsMessage.getCharacterlayersList()
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};
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//console.log(SocketIoEvent.SET_PLAYER_DETAILS, playerDetails);
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if (!isSetPlayerDetailsMessage(playerDetails)) {
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this.emitError(client, 'Invalid SET_PLAYER_DETAILS message received: ');
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return;
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}
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client.name = playerDetails.name;
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client.characterLayers = playerDetails.characterLayers;
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}
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private handleSilentMessage(client: ExSocketInterface, silentMessage: SilentMessage) {
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try {
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// update position in the world
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const world = this.Worlds.get(client.roomId);
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if (!world) {
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console.error("In handleSilentMessage, could not find world with id '", client.roomId, "'");
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return;
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}
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world.setSilent(client, silentMessage.getSilent());
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} catch (e) {
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console.error('An error occurred on "handleSilentMessage"');
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console.error(e);
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}
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}
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private handleItemEvent(ws: ExSocketInterface, itemEventMessage: ItemEventMessage) {
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const itemEvent = ProtobufUtils.toItemEvent(itemEventMessage);
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try {
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const world = this.Worlds.get(ws.roomId);
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|
if (!world) {
|
|
console.error("Could not find world with id '", ws.roomId, "'");
|
|
return;
|
|
}
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setItemeventmessage(itemEventMessage);
|
|
|
|
// Let's send the event without using the SocketIO room.
|
|
for (const user of world.getUsers().values()) {
|
|
const client = this.searchClientByIdOrFail(user.id);
|
|
//client.emit(SocketIoEvent.ITEM_EVENT, itemEvent);
|
|
emitInBatch(client, subMessage);
|
|
}
|
|
|
|
world.setItemState(itemEvent.itemId, itemEvent.state);
|
|
} catch (e) {
|
|
console.error('An error occurred on "item_event"');
|
|
console.error(e);
|
|
}
|
|
}
|
|
|
|
emitVideo(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
|
|
//send only at user
|
|
const client = this.sockets.get(data.getReceiverid());
|
|
if (client === undefined) {
|
|
console.warn("While exchanging a WebRTC signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
|
|
return;
|
|
}
|
|
|
|
const webrtcSignalToClient = new WebRtcSignalToClientMessage();
|
|
webrtcSignalToClient.setUserid(socket.userId);
|
|
webrtcSignalToClient.setSignal(data.getSignal());
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setWebrtcsignaltoclientmessage(webrtcSignalToClient);
|
|
|
|
if (!client.disconnecting) {
|
|
client.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
}
|
|
|
|
emitScreenSharing(socket: ExSocketInterface, data: WebRtcSignalToServerMessage): void {
|
|
//send only at user
|
|
const client = this.sockets.get(data.getReceiverid());
|
|
if (client === undefined) {
|
|
console.warn("While exchanging a WEBRTC_SCREEN_SHARING signal: client with id ", data.getReceiverid(), " does not exist. This might be a race condition.");
|
|
return;
|
|
}
|
|
|
|
const webrtcSignalToClient = new WebRtcSignalToClientMessage();
|
|
webrtcSignalToClient.setUserid(socket.userId);
|
|
webrtcSignalToClient.setSignal(data.getSignal());
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setWebrtcscreensharingsignaltoclientmessage(webrtcSignalToClient);
|
|
|
|
if (!client.disconnecting) {
|
|
client.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
}
|
|
|
|
searchClientByIdOrFail(userId: number): 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: GameRoom | 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): GameRoom {
|
|
|
|
//join user in room
|
|
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 GameRoom((user1: User, group: Group) => {
|
|
this.joinWebRtcRoom(user1, group);
|
|
}, (user1: User, group: Group) => {
|
|
this.disConnectedUser(user1, group);
|
|
}, MINIMUM_DISTANCE, GROUP_RADIUS, (thing: Movable, listener: User) => {
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
if (thing instanceof User) {
|
|
const clientUser = this.searchClientByIdOrFail(thing.id);
|
|
|
|
const userJoinedMessage = new UserJoinedMessage();
|
|
if (!Number.isInteger(clientUser.userId)) {
|
|
throw new Error('clientUser.userId is not an integer '+clientUser.userId);
|
|
}
|
|
userJoinedMessage.setUserid(clientUser.userId);
|
|
userJoinedMessage.setName(clientUser.name);
|
|
userJoinedMessage.setCharacterlayersList(clientUser.characterLayers);
|
|
userJoinedMessage.setPosition(ProtobufUtils.toPositionMessage(clientUser.position));
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUserjoinedmessage(userJoinedMessage);
|
|
|
|
emitInBatch(clientListener, subMessage);
|
|
} else if (thing instanceof Group) {
|
|
this.emitCreateUpdateGroupEvent(clientListener, thing);
|
|
} else {
|
|
console.error('Unexpected type for Movable.');
|
|
}
|
|
}, (thing: Movable, position, listener) => {
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
if (thing instanceof User) {
|
|
const clientUser = this.searchClientByIdOrFail(thing.id);
|
|
|
|
const userMovedMessage = new UserMovedMessage();
|
|
userMovedMessage.setUserid(clientUser.userId);
|
|
userMovedMessage.setPosition(ProtobufUtils.toPositionMessage(clientUser.position));
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUsermovedmessage(userMovedMessage);
|
|
|
|
clientListener.emitInBatch(subMessage);
|
|
//console.log("Sending USER_MOVED event");
|
|
} else if (thing instanceof Group) {
|
|
this.emitCreateUpdateGroupEvent(clientListener, thing);
|
|
} else {
|
|
console.error('Unexpected type for Movable.');
|
|
}
|
|
}, (thing: Movable, listener) => {
|
|
const clientListener = this.searchClientByIdOrFail(listener.id);
|
|
if (thing instanceof User) {
|
|
const clientUser = this.searchClientByIdOrFail(thing.id);
|
|
this.emitUserLeftEvent(clientListener, clientUser.userId);
|
|
} else if (thing instanceof Group) {
|
|
this.emitDeleteGroupEvent(clientListener, thing.getId());
|
|
} else {
|
|
console.error('Unexpected type for Movable.');
|
|
}
|
|
|
|
});
|
|
this.Worlds.set(roomId, world);
|
|
}
|
|
|
|
// Dispatch groups position to newly connected user
|
|
world.getGroups().forEach((group: Group) => {
|
|
this.emitCreateUpdateGroupEvent(client, group);
|
|
});
|
|
//join world
|
|
world.join(client, client.position);
|
|
return world;
|
|
}
|
|
|
|
private emitCreateUpdateGroupEvent(client: ExSocketInterface, group: Group): void {
|
|
const position = group.getPosition();
|
|
const pointMessage = new PointMessage();
|
|
pointMessage.setX(Math.floor(position.x));
|
|
pointMessage.setY(Math.floor(position.y));
|
|
const groupUpdateMessage = new GroupUpdateMessage();
|
|
groupUpdateMessage.setGroupid(group.getId());
|
|
groupUpdateMessage.setPosition(pointMessage);
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setGroupupdatemessage(groupUpdateMessage);
|
|
|
|
emitInBatch(client, subMessage);
|
|
//socket.emit(SocketIoEvent.GROUP_CREATE_UPDATE, groupUpdateMessage.serializeBinary().buffer);
|
|
}
|
|
|
|
private emitDeleteGroupEvent(client: ExSocketInterface, groupId: number): void {
|
|
const groupDeleteMessage = new GroupDeleteMessage();
|
|
groupDeleteMessage.setGroupid(groupId);
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setGroupdeletemessage(groupDeleteMessage);
|
|
|
|
emitInBatch(client, subMessage);
|
|
}
|
|
|
|
private emitUserLeftEvent(client: ExSocketInterface, userId: number): void {
|
|
const userLeftMessage = new UserLeftMessage();
|
|
userLeftMessage.setUserid(userId);
|
|
|
|
const subMessage = new SubMessage();
|
|
subMessage.setUserleftmessage(userLeftMessage);
|
|
|
|
emitInBatch(client, subMessage);
|
|
}
|
|
|
|
joinWebRtcRoom(user: User, group: Group) {
|
|
/*const roomId: string = "webrtcroom"+group.getId();
|
|
if (user.socket.webRtcRoomId === roomId) {
|
|
return;
|
|
}*/
|
|
|
|
for (const otherUser of group.getUsers()) {
|
|
if (user === otherUser) {
|
|
continue;
|
|
}
|
|
|
|
// Let's send 2 messages: one to the user joining the group and one to the other user
|
|
const webrtcStartMessage1 = new WebRtcStartMessage();
|
|
webrtcStartMessage1.setUserid(otherUser.id);
|
|
webrtcStartMessage1.setName(otherUser.socket.name);
|
|
webrtcStartMessage1.setInitiator(true);
|
|
|
|
const serverToClientMessage1 = new ServerToClientMessage();
|
|
serverToClientMessage1.setWebrtcstartmessage(webrtcStartMessage1);
|
|
|
|
if (!user.socket.disconnecting) {
|
|
user.socket.send(serverToClientMessage1.serializeBinary().buffer, true);
|
|
//console.log('Sending webrtcstart initiator to '+user.socket.userId)
|
|
}
|
|
|
|
const webrtcStartMessage2 = new WebRtcStartMessage();
|
|
webrtcStartMessage2.setUserid(user.id);
|
|
webrtcStartMessage2.setName(user.socket.name);
|
|
webrtcStartMessage2.setInitiator(false);
|
|
|
|
const serverToClientMessage2 = new ServerToClientMessage();
|
|
serverToClientMessage2.setWebrtcstartmessage(webrtcStartMessage2);
|
|
|
|
if (!otherUser.socket.disconnecting) {
|
|
otherUser.socket.send(serverToClientMessage2.serializeBinary().buffer, true);
|
|
//console.log('Sending webrtcstart to '+otherUser.socket.userId)
|
|
}
|
|
|
|
}
|
|
|
|
/* socket.join(roomId);
|
|
socket.webRtcRoomId = roomId;
|
|
//if two persons in room share
|
|
if (this.Io.sockets.adapter.rooms[roomId].length < 2) {
|
|
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(SocketIoEvent.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>
|
|
}
|
|
},
|
|
...
|
|
]
|
|
**/
|
|
|
|
//disconnect user
|
|
disConnectedUser(user: User, group: Group) {
|
|
// 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 otherUser of group.getUsers()) {
|
|
if (user === otherUser) {
|
|
continue;
|
|
}
|
|
|
|
const webrtcDisconnectMessage1 = new WebRtcDisconnectMessage();
|
|
webrtcDisconnectMessage1.setUserid(user.id);
|
|
|
|
const serverToClientMessage1 = new ServerToClientMessage();
|
|
serverToClientMessage1.setWebrtcdisconnectmessage(webrtcDisconnectMessage1);
|
|
|
|
if (!otherUser.socket.disconnecting) {
|
|
otherUser.socket.send(serverToClientMessage1.serializeBinary().buffer, true);
|
|
}
|
|
|
|
|
|
const webrtcDisconnectMessage2 = new WebRtcDisconnectMessage();
|
|
webrtcDisconnectMessage2.setUserid(otherUser.id);
|
|
|
|
const serverToClientMessage2 = new ServerToClientMessage();
|
|
serverToClientMessage2.setWebrtcdisconnectmessage(webrtcDisconnectMessage2);
|
|
|
|
if (!user.socket.disconnecting) {
|
|
user.socket.send(serverToClientMessage2.serializeBinary().buffer, true);
|
|
}
|
|
}
|
|
|
|
//disconnect webrtc room
|
|
/*if(!Client.webRtcRoomId){
|
|
return;
|
|
}*/
|
|
//Client.leave(Client.webRtcRoomId);
|
|
//delete Client.webRtcRoomId;
|
|
}
|
|
|
|
private emitPlayGlobalMessage(client: ExSocketInterface, playglobalmessage: PlayGlobalMessage) {
|
|
try {
|
|
const world = this.Worlds.get(client.roomId);
|
|
if (!world) {
|
|
console.error("In emitPlayGlobalMessage, could not find world with id '", client.roomId, "'");
|
|
return;
|
|
}
|
|
|
|
const serverToClientMessage = new ServerToClientMessage();
|
|
serverToClientMessage.setPlayglobalmessage(playglobalmessage);
|
|
|
|
for (const [id, user] of world.getUsers().entries()) {
|
|
user.socket.send(serverToClientMessage.serializeBinary().buffer, true);
|
|
}
|
|
} catch (e) {
|
|
console.error('An error occurred on "emitPlayGlobalMessage" event');
|
|
console.error(e);
|
|
}
|
|
|
|
}
|
|
|
|
public getWorlds(): Map<string, GameRoom> {
|
|
return this.Worlds;
|
|
}
|
|
}
|