Merge branch 'develop' of github.com:thecodingmachine/workadventure into feature/global-message

+ migrating to protobuf messages # Conflicts: # back/src/App.ts # back/src/Controller/IoSocketController.ts # back/yarn.lock # front/src/Connection.ts # front/src/Phaser/Game/GameScene.ts # front/src/Phaser/Login/EnableCameraScene.ts # front/src/WebRtc/SimplePeer.ts
2020-10-01 14:11:34 +02:00 · 2020-10-01 14:11:34 +02:00 · d3fa901691
commit d3fa901691
parent 7f4014cccf e42f1a6a21
87 changed files with 7429 additions and 1891 deletions
--- a/.env.template
+++ b/.env.template
@ -1 +1,3 @@
 DEBUG_MODE=false
+JITSI_URL=meet.jit.si
+ADMIN_API_TOKEN=123
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@ -26,7 +26,7 @@ jobs:
        uses: docker/build-push-action@v1
        with:
          dockerfile: front/Dockerfile
-          path: front/
+          path: ./
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: thecodingmachine/workadventure-front
@ -49,7 +49,7 @@ jobs:
        uses: docker/build-push-action@v1
        with:
          dockerfile: back/Dockerfile
-          path: back/
+          path: ./
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
          repository: thecodingmachine/workadventure-back
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@ -20,12 +20,25 @@ jobs:
      - name: "Setup NodeJS"
        uses: actions/setup-node@v1
        with:
-          node-version: '12.x'
+          node-version: '14.x'
+
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          version: '3.x'

      - name: "Install dependencies"
        run: yarn install
        working-directory: "front"

+      - name: "Install messages dependencies"
+        run: yarn install
+        working-directory: "messages"
+
+      - name: "Build proto messages"
+        run: yarn run proto && yarn run copy-to-front
+        working-directory: "messages"
+
      - name: "Build"
        run: yarn run build
        env:
@ -54,10 +67,23 @@ jobs:
        with:
          node-version: '12.x'

+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          version: '3.x'
+
      - name: "Install dependencies"
        run: yarn install
        working-directory: "back"

+      - name: "Install messages dependencies"
+        run: yarn install
+        working-directory: "messages"
+
+      - name: "Build proto messages"
+        run: yarn run proto && yarn run copy-to-back
+        working-directory: "messages"
+
      - name: "Build"
        run: yarn run tsc
        working-directory: "back"
--- a/back/Dockerfile
+++ b/back/Dockerfile
@ -1,6 +1,12 @@
+FROM thecodingmachine/workadventure-back-base:latest as builder
+WORKDIR /var/www/messages
+COPY --chown=docker:docker messages .
+RUN yarn install && yarn proto
+
 FROM thecodingmachine/nodejs:12

-COPY --chown=docker:docker . .
+COPY --chown=docker:docker back .
+COPY --from=builder --chown=docker:docker /var/www/messages/generated /usr/src/app/src/Messages/generated
 RUN yarn install

 ENV NODE_ENV=production
--- a/back/package.json
+++ b/back/package.json
@ -5,7 +5,7 @@
  "main": "index.js",
  "scripts": {
    "tsc": "tsc",
-    "dev": "ts-node-dev --respawn --transpileOnly ./server.ts",
+    "dev": "ts-node-dev --respawn ./server.ts",
    "prod": "tsc && node ./dist/server.js",
    "profile": "tsc && node --prof ./dist/server.js",
    "test": "ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
@ -36,27 +36,34 @@
  },
  "homepage": "https://github.com/thecodingmachine/workadventure#readme",
  "dependencies": {
-    "@types/express": "^4.17.4",
-    "@types/http-status-codes": "^1.2.0",
-    "@types/jsonwebtoken": "^8.3.8",
-    "@types/socket.io": "^2.1.4",
-    "@types/uuidv4": "^5.0.0",
    "axios": "^0.20.0",
    "body-parser": "^1.19.0",
-    "express": "^4.17.1",
+    "busboy": "^0.3.1",
+    "circular-json": "^0.5.9",
    "generic-type-guard": "^3.2.0",
+    "google-protobuf": "^3.13.0",
    "http-status-codes": "^1.4.0",
+    "iterall": "^1.3.0",
    "jsonwebtoken": "^8.5.1",
+    "mkdirp": "^1.0.4",
    "multer": "^1.4.2",
    "prom-client": "^12.0.0",
-    "socket.io": "^2.3.0",
+    "query-string": "^6.13.3",
    "systeminformation": "^4.26.5",
    "ts-node-dev": "^1.0.0-pre.44",
    "typescript": "^3.8.3",
+    "uWebSockets.js": "uNetworking/uWebSockets.js#v18.5.0",
    "uuidv4": "^6.0.7"
  },
  "devDependencies": {
+    "@types/busboy": "^0.2.3",
+    "@types/circular-json": "^0.4.0",
+    "@types/google-protobuf": "^3.7.3",
+    "@types/http-status-codes": "^1.2.0",
    "@types/jasmine": "^3.5.10",
+    "@types/jsonwebtoken": "^8.3.8",
+    "@types/mkdirp": "^1.0.1",
+    "@types/uuidv4": "^5.0.0",
    "@typescript-eslint/eslint-plugin": "^2.26.0",
    "@typescript-eslint/parser": "^2.26.0",
    "eslint": "^6.8.0",
--- a/back/server.ts
+++ b/back/server.ts
@ -1,3 +1,3 @@
 // lib/server.ts
 import App from "./src/App";
-App.listen(8080, () => console.log(`Example app listening on port 8080!`))
+App.listen(8080, () => console.log(`WorkAdventure starting on port 8080!`))
--- a/back/src/App.ts
+++ b/back/src/App.ts
@ -1,61 +1,32 @@
 // lib/app.ts
 import {IoSocketController} from "./Controller/IoSocketController"; //TODO fix import by "_Controller/..."
 import {AuthenticateController} from "./Controller/AuthenticateController"; //TODO fix import by "_Controller/..."
-import express from "express";
-import {Application, Request, Response} from 'express';
-import bodyParser = require('body-parser');
-import * as http from "http";
 import {MapController} from "./Controller/MapController";
 import {PrometheusController} from "./Controller/PrometheusController";
 import {FileController} from "./Controller/FileController";
-import {AdminController} from "./Controller/AdminController";
+import {DebugController} from "./Controller/DebugController";
+import {App as uwsApp} from "./Server/sifrr.server";

 class App {
-    public app: Application;
-    public server: http.Server;
+    public app: uwsApp;
    public ioSocketController: IoSocketController;
    public authenticateController: AuthenticateController;
    public fileController: FileController;
    public mapController: MapController;
    public prometheusController: PrometheusController;
-    private adminController: AdminController;
+    private debugController: DebugController;

    constructor() {
-        this.app = express();
-
-        //config server http
-        this.server = http.createServer(this.app);
-
-        this.config();
-        this.crossOrigin();
-
-        //TODO add middleware with access token to secure api
+        this.app = new uwsApp();

        //create socket controllers
-        this.ioSocketController = new IoSocketController(this.server);
+        this.ioSocketController = new IoSocketController(this.app);
        this.authenticateController = new AuthenticateController(this.app);
        this.fileController = new FileController(this.app);
        this.mapController = new MapController(this.app);
        this.prometheusController = new PrometheusController(this.app, this.ioSocketController);
-        this.adminController = new AdminController(this.app);
-    }
-
-    // TODO add session user
-    private config(): void {
-        this.app.use(bodyParser.json());
-        this.app.use(bodyParser.urlencoded({extended: false}));
-    }
-
-    private crossOrigin(){
-        this.app.use((req: Request, res: Response, next) => {
-            res.setHeader("Access-Control-Allow-Origin", "*"); // update to match the domain you will make the request from
-            // Request methods you wish to allow
-            res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
-            // Request headers you wish to allow
-            res.setHeader("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
-            next();
-        });
+        this.debugController = new DebugController(this.app, this.ioSocketController);
    }
 }

-export default new App().server;
+export default new App().app;
--- a/back/src/Controller/AdminController.ts
+++ b/back/src/Controller/AdminController.ts
@ -1,36 +0,0 @@
-import {Application, Request, Response} from "express";
-import {OK} from "http-status-codes";
-import {ADMIN_API_TOKEN, ADMIN_API_URL} from "../Enum/EnvironmentVariable";
-import Axios from "axios";
-
-export class AdminController {
-    App : Application;
-
-    constructor(App : Application) {
-        this.App = App;
-        this.getLoginUrlByToken();
-    }
-
-    
-    getLoginUrlByToken(){
-        this.App.get("/register/:token", async (req: Request, res: Response) => {
-            if (!ADMIN_API_URL) {
-                return res.status(500).send('No admin backoffice set!');
-            }
-            const token:string = req.params.token;
-            
-            let response = null
-            try {
-                response = await Axios.get(ADMIN_API_URL+'/api/login-url/'+token, { headers: {"Authorization" : `${ADMIN_API_TOKEN}`} })
-            } catch (e) {
-                console.log(e.message)
-                return res.status(e.status || 500).send('An error happened');
-            }
-
-            const organizationSlug = response.data.organizationSlug;
-            const worldSlug = response.data.worldSlug;
-            const roomSlug = response.data.roomSlug;
-            return res.status(OK).send({organizationSlug, worldSlug, roomSlug});
-        });
-    }
-}
--- a/back/src/Controller/AuthenticateController.ts
+++ b/back/src/Controller/AuthenticateController.ts
@ -1,40 +1,95 @@
-import {Application, Request, Response} from "express";
 import Jwt from "jsonwebtoken";
-import {BAD_REQUEST, OK} from "http-status-codes";
-import {SECRET_KEY, URL_ROOM_STARTED} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..."
+import {ADMIN_API_TOKEN, ADMIN_API_URL, SECRET_KEY, URL_ROOM_STARTED} from "../Enum/EnvironmentVariable"; //TODO fix import by "_Enum/..."
 import { uuid } from 'uuidv4';
+import {HttpRequest, HttpResponse, TemplatedApp} from "uWebSockets.js";
+import {BaseController} from "./BaseController";
+import Axios from "axios";

 export interface TokenInterface {
-    name: string,
-    userId: string
+    userUuid: string
 }

-export class AuthenticateController {
-    App : Application;
+interface AdminApiData {
+    organizationSlug: string
+    worldSlug: string
+    roomSlug: string
+    mapUrlStart: string
+    userUuid: string
+}

-    constructor(App : Application) {
-        this.App = App;
+export class AuthenticateController extends BaseController {
+
+    constructor(private App : TemplatedApp) {
+        super();
        this.login();
    }

    //permit to login on application. Return token to connect on Websocket IO.
    login(){
-        // For now, let's completely forget the /login route.
-        this.App.post("/login", (req: Request, res: Response) => {
-            const param = req.body;
-            /*if(!param.name){
-                return res.status(BAD_REQUEST).send({
-                    message: "email parameter is empty"
-                });
-            }*/
-            //TODO check user email for The Coding Machine game
-            const userId = uuid();
-            const token = Jwt.sign({name: param.name, userId: userId} as TokenInterface, SECRET_KEY, {expiresIn: '24h'});
-            return res.status(OK).send({
-                token: token,
-                mapUrlStart: URL_ROOM_STARTED,
-                userId: userId,
+        this.App.options("/login", (res: HttpResponse, req: HttpRequest) => {
+            this.addCorsHeaders(res);
+
+            res.end();
        });
+
+        this.App.post("/login", (res: HttpResponse, req: HttpRequest) => {
+            (async () => {
+                this.addCorsHeaders(res);
+
+                res.onAborted(() => {
+                    console.warn('Login request was aborted');
+                })
+                const host = req.getHeader('host');
+                const param = await res.json();
+
+                //todo: what to do if the organizationMemberToken is already used?
+                const organizationMemberToken:string|null = param.organizationMemberToken;
+
+                try {
+                    let userUuid;
+                    let mapUrlStart;
+                    let newUrl: string|null = null;
+
+                    if (organizationMemberToken) {
+                        if (!ADMIN_API_URL) {
+                            return res.status(401).send('No admin backoffice set!');
+                        }
+                        //todo: this call can fail if the corresponding world is not activated or if the token is invalid. Handle that case.
+                        const data = await Axios.get(ADMIN_API_URL+'/api/login-url/'+organizationMemberToken,
+                            { headers: {"Authorization" : `${ADMIN_API_TOKEN}`} }
+                        ).then((res): AdminApiData => res.data);
+
+                        userUuid = data.userUuid;
+                        mapUrlStart = data.mapUrlStart;
+                        newUrl = this.getNewUrlOnAdminAuth(data)
+                    } else {
+                        userUuid = uuid();
+                        mapUrlStart = host.replace('api.', 'maps.') + URL_ROOM_STARTED;
+                        newUrl = null;
+                    }
+
+                    const authToken = Jwt.sign({userUuid: userUuid}, SECRET_KEY, {expiresIn: '24h'});
+                    res.writeStatus("200 OK").end(JSON.stringify({
+                        authToken,
+                        userUuid,
+                        mapUrlStart,
+                        newUrl,
+                    }));
+
+                } catch (e) {
+                    console.log("An error happened", e)
+                    res.writeStatus(e.status || "500 Internal Server Error").end('An error happened');
+                }
+
+
+            })();
        });
    }
+
+    private getNewUrlOnAdminAuth(data:AdminApiData): string {
+        const organizationSlug = data.organizationSlug;
+        const worldSlug = data.worldSlug;
+        const roomSlug = data.roomSlug;
+        return '/@/'+organizationSlug+'/'+worldSlug+'/'+roomSlug;
+    }
 }
--- a/back/src/Controller/BaseController.ts
+++ b/back/src/Controller/BaseController.ts
@ -0,0 +1,10 @@
+import {HttpResponse} from "uWebSockets.js";
+
+
+export class BaseController {
+    protected addCorsHeaders(res: HttpResponse): void {
+        res.writeHeader('access-control-allow-headers', 'Origin, X-Requested-With, Content-Type, Accept');
+        res.writeHeader('access-control-allow-methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
+        res.writeHeader('access-control-allow-origin', '*');
+    }
+}
--- a/back/src/Controller/DebugController.ts
+++ b/back/src/Controller/DebugController.ts
@ -0,0 +1,44 @@
+import {ADMIN_API_TOKEN} from "../Enum/EnvironmentVariable";
+import {IoSocketController} from "_Controller/IoSocketController";
+import {stringify} from "circular-json";
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
+import { parse } from 'query-string';
+import {App} from "../Server/sifrr.server";
+
+export class DebugController {
+    constructor(private App : App, private ioSocketController: IoSocketController) {
+        this.getDump();
+    }
+
+
+    getDump(){
+        this.App.get("/dump", (res: HttpResponse, req: HttpRequest) => {
+            const query = parse(req.getQuery());
+
+            if (query.token !== ADMIN_API_TOKEN) {
+                return res.status(401).send('Invalid token sent!');
+            }
+
+            return res.writeStatus('200 OK').writeHeader('Content-Type', 'application/json').end(stringify(
+                this.ioSocketController.getWorlds(),
+                (key: unknown, value: unknown) => {
+                    if(value instanceof Map) {
+                        const obj: any = {}; // eslint-disable-line @typescript-eslint/no-explicit-any
+                        for (const [mapKey, mapValue] of value.entries()) {
+                            obj[mapKey] = mapValue;
+                        }
+                        return obj;
+                    } else if(value instanceof Set) {
+                            const obj: Array<unknown> = [];
+                            for (const [setKey, setValue] of value.entries()) {
+                                obj.push(setValue);
+                            }
+                            return obj;
+                    } else {
+                        return value;
+                    }
+                }
+            ));
+        });
+    }
+}
--- a/back/src/Controller/FileController.ts
+++ b/back/src/Controller/FileController.ts
@ -1,59 +1,161 @@
-const multer =  require('multer');
-import {Application, Request, RequestHandler, Response} from "express";
-import {OK} from "http-status-codes";
-import {URL_ROOM_STARTED} from "_Enum/EnvironmentVariable";
+import {App} from "../Server/sifrr.server";
+
 import {uuid} from "uuidv4";
-import fs from "fs";
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
+import {BaseController} from "./BaseController";
+import { Readable } from 'stream'

-const upload = multer({ dest: 'dist/files/' });
-
-class FileUpload{
-    path: string
-    constructor(path : string) {
-        this.path = path;
-    }
+interface UploadedFileBuffer {
+    buffer: Buffer,
+    expireDate: Date
 }

-interface RequestFileHandlerInterface extends Request{
-    file: FileUpload
-}
+export class FileController extends BaseController {
+    private uploadedFileBuffers: Map<string, UploadedFileBuffer> = new Map<string, UploadedFileBuffer>();

-export class FileController {
-    App : Application;
-
-    constructor(App : Application) {
+    constructor(private App : App) {
+        super();
        this.App = App;
        this.uploadAudioMessage();
        this.downloadAudioMessage();
+
+        // Cleanup every 1 minute
+        setInterval(this.cleanup.bind(this), 60000);
+    }
+
+    /**
+     * Clean memory from old files
+     */
+    cleanup(): void {
+        const now = new Date();
+        for (const [id, file] of this.uploadedFileBuffers) {
+            if (file.expireDate < now) {
+                this.uploadedFileBuffers.delete(id);
+            }
+        }
    }

    uploadAudioMessage(){
-        this.App.post("/upload-audio-message", (upload.single('file') as RequestHandler), (req: Request, res: Response) => {
-            //TODO check user connected and admin role
-            //TODO upload audio message
+        this.App.options("/upload-audio-message", (res: HttpResponse, req: HttpRequest) => {
+            this.addCorsHeaders(res);
+
+            res.end();
+        });
+
+        this.App.post("/upload-audio-message", (res: HttpResponse, req: HttpRequest) => {
+            (async () => {
+                this.addCorsHeaders(res);
+
+                res.onAborted(() => {
+                    console.warn('upload-audio-message request was aborted');
+                })
+
+                try {
                    const audioMessageId = uuid();

-            fs.copyFileSync((req as RequestFileHandlerInterface).file.path, `dist/files/${audioMessageId}`);
-            fs.unlinkSync((req as RequestFileHandlerInterface).file.path);
+                    const params = await res.formData({
+                        onFile: (fieldname: string,
+                                 file: NodeJS.ReadableStream,
+                                 filename: string,
+                                 encoding: string,
+                                 mimetype: string) => {
+                            (async () => {
+                                console.log('READING FILE', fieldname)

-            return res.status(OK).send({
+                                const chunks: Buffer[] = []
+                                for await (let chunk of file) {
+                                    if (!(chunk instanceof Buffer)) {
+                                        throw new Error('Unexpected chunk');
+                                    }
+                                    chunks.push(chunk)
+                                }
+                                // Let's expire in 1 minute.
+                                const expireDate = new Date();
+                                expireDate.setMinutes(expireDate.getMinutes() + 1);
+                                this.uploadedFileBuffers.set(audioMessageId, {
+                                    buffer: Buffer.concat(chunks),
+                                    expireDate
+                                });
+                            })();
+                        }
+                    });
+
+                    res.writeStatus("200 OK").end(JSON.stringify({
                        id: audioMessageId,
                        path: `/download-audio-message/${audioMessageId}`
-            });
+                    }));
+
+                } catch (e) {
+                    console.log("An error happened", e)
+                    res.writeStatus(e.status || "500 Internal Server Error").end('An error happened');
+                }
+            })();
        });
    }

    downloadAudioMessage(){
-        this.App.get("/download-audio-message/:id", (req: Request, res: Response) => {
-            //TODO check user connected and admin role
-            //TODO upload audio message
-            const audiMessageId = req.params.id;
+        this.App.options("/download-audio-message/*", (res: HttpResponse, req: HttpRequest) => {
+            this.addCorsHeaders(res);

-            const fs = require('fs');
-            const path = `dist/files/${audiMessageId}`;
-            const file = fs.createReadStream(path);
-            res.writeHead(200);
-            file.pipe(res);
+            res.end();
+        });
+
+        this.App.get("/download-audio-message/:id", (res: HttpResponse, req: HttpRequest) => {
+            (async () => {
+                this.addCorsHeaders(res);
+
+                res.onAborted(() => {
+                    console.warn('upload-audio-message request was aborted');
+                })
+
+                const id = req.getParameter(0);
+
+                const file = this.uploadedFileBuffers.get(id);
+                if (file === undefined) {
+                    res.writeStatus("404 Not found").end("Cannot find file");
+                    return;
+                }
+
+                const readable = new Readable()
+                readable._read = () => {} // _read is required but you can noop it
+                readable.push(file.buffer);
+                readable.push(null);
+
+                const size = file.buffer.byteLength;
+
+                res.writeStatus("200 OK");
+
+                readable.on('data', buffer => {
+                    const chunk = buffer.buffer.slice(buffer.byteOffset, buffer.byteOffset + buffer.byteLength),
+                        lastOffset = res.getWriteOffset();
+
+                    // First try
+                    const [ok, done] = res.tryEnd(chunk, size);
+
+                    if (done) {
+                        readable.destroy();
+                    } else if (!ok) {
+                        // pause because backpressure
+                        readable.pause();
+
+                        // Save unsent chunk for later
+                        res.ab = chunk;
+                        res.abOffset = lastOffset;
+
+                        // Register async handlers for drainage
+                        res.onWritable(offset => {
+                            const [ok, done] = res.tryEnd(res.ab.slice(offset - res.abOffset), size);
+                            if (done) {
+                                readable.destroy();
+                            } else if (ok) {
+                                readable.resume();
+                            }
+                            return ok;
+                        });
+                    }
+                });
+
+            })();
        });
    }
 }
--- a/back/src/Controller/IoSocketController.ts
+++ b/back/src/Controller/IoSocketController.ts
--- a/back/src/Controller/MapController.ts
+++ b/back/src/Controller/MapController.ts
@ -1,29 +1,34 @@
-import express from "express";
-import {Application, Request, Response} from "express";
 import {OK} from "http-status-codes";
 import {URL_ROOM_STARTED} from "../Enum/EnvironmentVariable";
+import {HttpRequest, HttpResponse, TemplatedApp} from "uWebSockets.js";
+import {BaseController} from "./BaseController";

-export class MapController {
-    App: Application;
+//todo: delete this
+export class MapController extends BaseController{

-    constructor(App: Application) {
+    constructor(private App : TemplatedApp) {
+        super();
        this.App = App;
        this.getStartMap();
-        this.assetMaps();
    }

-    assetMaps() {
-        this.App.use('/map/files', express.static('src/Assets/Maps'));
-    }

    // Returns a map mapping map name to file name of the map
    getStartMap() {
-        this.App.get("/start-map", (req: Request, res: Response) => {
-            const url = req.headers.host?.replace('api.', 'maps.') + URL_ROOM_STARTED;
-            res.status(OK).send({
+        this.App.options("/start-map", (res: HttpResponse, req: HttpRequest) => {
+            this.addCorsHeaders(res);
+
+            res.end();
+        });
+
+        this.App.get("/start-map", (res: HttpResponse, req: HttpRequest) => {
+            this.addCorsHeaders(res);
+
+            const url = req.getHeader('host').replace('api.', 'maps.') + URL_ROOM_STARTED;
+            res.writeStatus("200 OK").end(JSON.stringify({
                mapUrlStart: url,
                startInstance: "global"
-            });
+            }));
        });
    }
 }
--- a/back/src/Controller/PrometheusController.ts
+++ b/back/src/Controller/PrometheusController.ts
@ -1,10 +1,11 @@
-import {Application, Request, Response} from "express";
+import {App} from "../Server/sifrr.server";
 import {IoSocketController} from "_Controller/IoSocketController";
+import {HttpRequest, HttpResponse} from "uWebSockets.js";
 const register = require('prom-client').register;
 const collectDefaultMetrics = require('prom-client').collectDefaultMetrics;

 export class PrometheusController {
-    constructor(private App: Application, private ioSocketController: IoSocketController) {
+    constructor(private App: App, private ioSocketController: IoSocketController) {
        collectDefaultMetrics({
            timeout: 10000,
            gcDurationBuckets: [0.001, 0.01, 0.1, 1, 2, 5], // These are the default buckets.
@ -13,8 +14,8 @@ export class PrometheusController {
        this.App.get("/metrics", this.metrics.bind(this));
    }

-    private metrics(req: Request, res: Response): void {
-        res.set('Content-Type', register.contentType);
+    private metrics(res: HttpResponse, req: HttpRequest): void {
+        res.writeHeader('Content-Type', register.contentType);
        res.end(register.metrics());
    }
 }
--- a/back/src/Enum/EnvironmentVariable.ts
+++ b/back/src/Enum/EnvironmentVariable.ts
@ -5,6 +5,7 @@ const GROUP_RADIUS = process.env.GROUP_RADIUS ? Number(process.env.GROUP_RADIUS)
 const ALLOW_ARTILLERY = process.env.ALLOW_ARTILLERY ? process.env.ALLOW_ARTILLERY == 'true' : false;
 const ADMIN_API_URL = process.env.ADMIN_API_URL || null;
 const ADMIN_API_TOKEN = process.env.ADMIN_API_TOKEN || null;
+const CPU_OVERHEAT_THRESHOLD = Number(process.env.CPU_OVERHEAT_THRESHOLD) || 80;

 export {
    SECRET_KEY,
@ -14,4 +15,5 @@ export {
    ADMIN_API_TOKEN,
    GROUP_RADIUS,
    ALLOW_ARTILLERY,
+    CPU_OVERHEAT_THRESHOLD,
 }
--- a/back/src/Messages/.gitignore
+++ b/back/src/Messages/.gitignore
@ -0,0 +1 @@
+/generated/
--- a/back/src/Model/Group.ts
+++ b/back/src/Model/Group.ts
@ -3,32 +3,36 @@ import { User } from "./User";
 import {PositionInterface} from "_Model/PositionInterface";
 import {uuid} from "uuidv4";
 import {Movable} from "_Model/Movable";
+import {PositionNotifier} from "_Model/PositionNotifier";

 export class Group implements Movable {
    static readonly MAX_PER_GROUP = 4;

-    private id: string;
+    private static nextId: number = 1;
+
+    private id: number;
    private users: Set<User>;
-    private connectCallback: ConnectCallback;
-    private disconnectCallback: DisconnectCallback;
+    private x!: number;
+    private y!: number;


-    constructor(users: User[], connectCallback: ConnectCallback, disconnectCallback: DisconnectCallback) {
+    constructor(users: User[], private connectCallback: ConnectCallback, private disconnectCallback: DisconnectCallback, private positionNotifier: PositionNotifier) {
        this.users = new Set<User>();
-        this.connectCallback = connectCallback;
-        this.disconnectCallback = disconnectCallback;
-        this.id = uuid();
+        this.id = Group.nextId;
+        Group.nextId++;

        users.forEach((user: User) => {
            this.join(user);
        });
+
+        this.updatePosition();
    }

    getUsers(): User[] {
        return Array.from(this.users.values());
    }

-    getId() : string{
+    getId() : number {
        return this.id;
    }

@ -36,19 +40,40 @@ export class Group implements Movable {
     * Returns the barycenter of all users (i.e. the center of the group)
     */
    getPosition(): PositionInterface {
+        return {
+            x: this.x,
+            y: this.y
+        };
+    }
+
+    /**
+     * Computes the barycenter of all users (i.e. the center of the group)
+     */
+    updatePosition(): void {
+        const oldX = this.x;
+        const oldY = this.y;
+
        let x = 0;
        let y = 0;
        // Let's compute the barycenter of all users.
        this.users.forEach((user: User) => {
-            x += user.position.x;
-            y += user.position.y;
+            const position = user.getPosition();
+            x += position.x;
+            y += position.y;
        });
        x /= this.users.size;
        y /= this.users.size;
-        return {
-            x,
-            y
-        };
+        if (this.users.size === 0) {
+            throw new Error("EMPTY GROUP FOUND!!!");
+        }
+        this.x = x;
+        this.y = y;
+
+        if (oldX === undefined) {
+            this.positionNotifier.enter(this);
+        } else {
+            this.positionNotifier.updatePosition(this, {x, y}, {x: oldX, y: oldY});
+        }
    }

    isFull(): boolean {
@ -62,7 +87,7 @@ export class Group implements Movable {
    join(user: User): void
    {
        // Broadcast on the right event
-        this.connectCallback(user.id, this);
+        this.connectCallback(user, this);
        this.users.add(user);
        user.group = this;
    }
@ -75,8 +100,12 @@ export class Group implements Movable {
        }
        user.group = undefined;

+        if (this.users.size !== 0) {
+            this.updatePosition();
+        }
+
        // Broadcast on the right event
-        this.disconnectCallback(user.id, this);
+        this.disconnectCallback(user, this);
    }

    /**
--- a/back/src/Model/PositionNotifier.ts
+++ b/back/src/Model/PositionNotifier.ts
@ -74,6 +74,13 @@ export class PositionNotifier {
        return things;
    }

+    public enter(thing: Movable): void {
+        const position = thing.getPosition();
+        const zoneDesc = this.getZoneDescriptorFromCoordinates(position.x, position.y);
+        const zone = this.getZone(zoneDesc.i, zoneDesc.j);
+        zone.enter(thing, null, position);
+    }
+
    public updatePosition(thing: Movable, newPosition: PositionInterface, oldPosition: PositionInterface): void {
        // Did we change zone?
        const oldZoneDesc = this.getZoneDescriptorFromCoordinates(oldPosition.x, oldPosition.y);
@ -117,7 +124,7 @@ export class PositionNotifier {

        let zone = this.zones[j][i];
        if (zone === undefined) {
-            zone = new Zone(this.onUserEnters, this.onUserMoves, this.onUserLeaves);
+            zone = new Zone(this.onUserEnters, this.onUserMoves, this.onUserLeaves, i, j);
            this.zones[j][i] = zone;
        }
        return zone;
--- a/back/src/Model/User.ts
+++ b/back/src/Model/User.ts
@ -3,21 +3,32 @@ import { PointInterface } from "./Websocket/PointInterface";
 import {Zone} from "_Model/Zone";
 import {Movable} from "_Model/Movable";
 import {PositionInterface} from "_Model/PositionInterface";
+import {PositionNotifier} from "_Model/PositionNotifier";
+import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";

 export class User implements Movable {
    public listenedZones: Set<Zone>;
    public group?: Group;

    public constructor(
-        public id: string,
-        public position: PointInterface,
+        public id: number,
+        private position: PointInterface,
        public silent: boolean,
-
+        private positionNotifier: PositionNotifier,
+        public readonly socket: ExSocketInterface
    ) {
        this.listenedZones = new Set<Zone>();
+
+        this.positionNotifier.enter(this);
    }

-    public getPosition(): PositionInterface {
+    public getPosition(): PointInterface {
        return this.position;
    }
+
+    public setPosition(position: PointInterface): void {
+        const oldPosition = this.position;
+        this.position = position;
+        this.positionNotifier.updatePosition(this, position, oldPosition);
+    }
 }
--- a/back/src/Model/Websocket/ExSocketInterface.ts
+++ b/back/src/Model/Websocket/ExSocketInterface.ts
@ -1,23 +1,23 @@
-import {Socket} from "socket.io";
 import {PointInterface} from "./PointInterface";
 import {Identificable} from "./Identificable";
-import {TokenInterface} from "../../Controller/AuthenticateController";
 import {ViewportInterface} from "_Model/Websocket/ViewportMessage";
+import {BatchMessage, SubMessage} from "../../Messages/generated/messages_pb";
+import {WebSocket} from "uWebSockets.js"

-export interface ExSocketInterface extends Socket, Identificable {
+export interface ExSocketInterface extends WebSocket, Identificable {
    token: string;
    roomId: string;
-    webRtcRoomId: string;
-    userId: string;
+    userId: number;   // A temporary (autoincremented) identifier for this user
+    userUuid: string; // A unique identifier for this user
    name: string;
    characterLayers: string[];
    position: PointInterface;
    viewport: ViewportInterface;
-    isArtillery: boolean; // Whether this socket is opened by Artillery for load testing (hack)
    /**
     * Pushes an event that will be sent in the next batch of events
     */
-    emitInBatch: (event: string | symbol, payload: unknown) => void;
-    batchedMessages: Array<{ event: string | symbol, payload: unknown }>;
+    emitInBatch: (payload: SubMessage) => void;
+    batchedMessages: BatchMessage;
    batchTimeout: NodeJS.Timeout|null;
+    disconnecting: boolean
 }
--- a/back/src/Model/Websocket/GroupUpdateInterface.ts
+++ b/back/src/Model/Websocket/GroupUpdateInterface.ts
@ -2,5 +2,5 @@ import {PositionInterface} from "_Model/PositionInterface";

 export interface GroupUpdateInterface {
    position: PositionInterface,
-    groupId: string,
+    groupId: number,
 }
--- a/back/src/Model/Websocket/Identificable.ts
+++ b/back/src/Model/Websocket/Identificable.ts
@ -1,3 +1,3 @@
 export interface Identificable {
-    userId: string;
+    userId: number;
 }
--- a/back/src/Model/Websocket/MessageUserJoined.ts
+++ b/back/src/Model/Websocket/MessageUserJoined.ts
@ -1,6 +1,6 @@
 import {PointInterface} from "_Model/Websocket/PointInterface";

 export class MessageUserJoined {
-    constructor(public userId: string, public name: string, public characterLayers: string[], public position: PointInterface) {
+    constructor(public userId: number, public name: string, public characterLayers: string[], public position: PointInterface) {
    }
 }
--- a/back/src/Model/Websocket/MessageUserMoved.ts
+++ b/back/src/Model/Websocket/MessageUserMoved.ts
@ -1,6 +0,0 @@
-import {PointInterface} from "./PointInterface";
-
-export class MessageUserMoved {
-    constructor(public userId: string, public position: PointInterface) {
-    }
-}
--- a/back/src/Model/Websocket/MessageUserPosition.ts
+++ b/back/src/Model/Websocket/MessageUserPosition.ts
@ -6,6 +6,6 @@ export class Point implements PointInterface{
 }

 export class MessageUserPosition {
-    constructor(public userId: string, public name: string, public characterLayers: string[], public position: PointInterface) {
+    constructor(public userId: number, public name: string, public characterLayers: string[], public position: PointInterface) {
    }
 }
--- a/back/src/Model/Websocket/ProtobufUtils.ts
+++ b/back/src/Model/Websocket/ProtobufUtils.ts
@ -0,0 +1,92 @@
+import {PointInterface} from "./PointInterface";
+import {ItemEventMessage, PointMessage, PositionMessage} from "../../Messages/generated/messages_pb";
+import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";
+import Direction = PositionMessage.Direction;
+import {ItemEventMessageInterface} from "_Model/Websocket/ItemEventMessage";
+import {PositionInterface} from "_Model/PositionInterface";
+
+export class ProtobufUtils {
+
+    public static toPositionMessage(point: PointInterface): PositionMessage {
+        let direction: PositionMessage.DirectionMap[keyof PositionMessage.DirectionMap];
+        switch (point.direction) {
+            case 'up':
+                direction = Direction.UP;
+                break;
+            case 'down':
+                direction = Direction.DOWN;
+                break;
+            case 'left':
+                direction = Direction.LEFT;
+                break;
+            case 'right':
+                direction = Direction.RIGHT;
+                break;
+            default:
+                throw new Error('unexpected direction');
+        }
+
+        const position = new PositionMessage();
+        position.setX(point.x);
+        position.setY(point.y);
+        position.setMoving(point.moving);
+        position.setDirection(direction);
+
+        return position;
+    }
+
+    public static toPointInterface(position: PositionMessage): PointInterface {
+        let direction: string;
+        switch (position.getDirection()) {
+            case Direction.UP:
+                direction = 'up';
+                break;
+            case Direction.DOWN:
+                direction = 'down';
+                break;
+            case Direction.LEFT:
+                direction = 'left';
+                break;
+            case Direction.RIGHT:
+                direction = 'right';
+                break;
+            default:
+                throw new Error("Unexpected direction");
+        }
+
+        // sending to all clients in room except sender
+        return {
+            x: position.getX(),
+            y: position.getY(),
+            direction,
+            moving: position.getMoving(),
+        };
+    }
+
+    public static toPointMessage(point: PositionInterface): PointMessage {
+        const position = new PointMessage();
+        position.setX(Math.floor(point.x));
+        position.setY(Math.floor(point.y));
+
+        return position;
+    }
+
+    public static toItemEvent(itemEventMessage: ItemEventMessage): ItemEventMessageInterface {
+        return {
+            itemId: itemEventMessage.getItemid(),
+            event: itemEventMessage.getEvent(),
+            parameters: JSON.parse(itemEventMessage.getParametersjson()),
+            state: JSON.parse(itemEventMessage.getStatejson()),
+        }
+    }
+
+    public static toItemEventProtobuf(itemEvent: ItemEventMessageInterface): ItemEventMessage {
+        const itemEventMessage = new ItemEventMessage();
+        itemEventMessage.setItemid(itemEvent.itemId);
+        itemEventMessage.setEvent(itemEvent.event);
+        itemEventMessage.setParametersjson(JSON.stringify(itemEvent.parameters));
+        itemEventMessage.setStatejson(JSON.stringify(itemEvent.state));
+
+        return itemEventMessage;
+    }
+}
--- a/back/src/Model/Websocket/UserInGroupInterface.ts
+++ b/back/src/Model/Websocket/UserInGroupInterface.ts
@ -1,5 +1,5 @@
 export interface UserInGroupInterface {
-    userId: string,
+    userId: number,
    name: string,
    initiator: boolean
 }
--- a/back/src/Model/Websocket/UserMovesMessage.ts
+++ b/back/src/Model/Websocket/UserMovesMessage.ts
@ -1,11 +0,0 @@
-import * as tg from "generic-type-guard";
-import {isPointInterface} from "./PointInterface";
-import {isViewport} from "./ViewportMessage";
-
-
-export const isUserMovesInterface =
-    new tg.IsInterface().withProperties({
-        position: isPointInterface,
-        viewport: isViewport,
-    }).get();
-export type UserMovesInterface = tg.GuardedType<typeof isUserMovesInterface>;
--- a/back/src/Model/Websocket/WebRtcSignalMessage.ts
+++ b/back/src/Model/Websocket/WebRtcSignalMessage.ts
@ -7,12 +7,12 @@ export const isSignalData =

 export const isWebRtcSignalMessageInterface =
    new tg.IsInterface().withProperties({
-        receiverId: tg.isString,
+        receiverId: tg.isNumber,
        signal: isSignalData
    }).get();
 export const isWebRtcScreenSharingStartMessageInterface =
    new tg.IsInterface().withProperties({
-        userId: tg.isString,
+        userId: tg.isNumber,
        roomId: tg.isString
    }).get();
 export type WebRtcSignalMessageInterface = tg.GuardedType<typeof isWebRtcSignalMessageInterface>;
--- a/back/src/Model/World.ts
+++ b/back/src/Model/World.ts
@ -11,15 +11,15 @@ import {PositionNotifier} from "./PositionNotifier";
 import {ViewportInterface} from "_Model/Websocket/ViewportMessage";
 import {Movable} from "_Model/Movable";

-export type ConnectCallback = (user: string, group: Group) => void;
-export type DisconnectCallback = (user: string, group: Group) => void;
+export type ConnectCallback = (user: User, group: Group) => void;
+export type DisconnectCallback = (user: User, group: Group) => void;

 export class World {
    private readonly minDistance: number;
    private readonly groupRadius: number;

    // Users, sorted by ID
-    private readonly users: Map<string, User>;
+    private readonly users: Map<number, User>;
    private readonly groups: Set<Group>;

    private readonly connectCallback: ConnectCallback;
@ -37,7 +37,7 @@ export class World {
                onMoves: MovesCallback,
                onLeaves: LeavesCallback)
    {
-        this.users = new Map<string, User>();
+        this.users = new Map<number, User>();
        this.groups = new Set<Group>();
        this.connectCallback = connectCallback;
        this.disconnectCallback = disconnectCallback;
@ -51,14 +51,16 @@ export class World {
        return Array.from(this.groups.values());
    }

-    public getUsers(): Map<string, User> {
+    public getUsers(): Map<number, User> {
        return this.users;
    }

-    public join(socket : Identificable, userPosition: PointInterface): void {
-        this.users.set(socket.userId, new User(socket.userId, userPosition, false));
+    public join(socket : ExSocketInterface, userPosition: PointInterface): void {
+        const user = new User(socket.userId, userPosition, false, this.positionNotifier, socket);
+        this.users.set(socket.userId, user);
        // Let's call update position to trigger the join / leave room
-        this.updatePosition(socket, userPosition);
+        //this.updatePosition(socket, userPosition);
+        this.updateUserGroup(user);
    }

    public leave(user : Identificable){
@ -72,8 +74,8 @@ export class World {
        this.users.delete(user.userId);

        if (userObj !== undefined) {
-            this.positionNotifier.leave(userObj);
            this.positionNotifier.removeViewport(userObj);
+            this.positionNotifier.leave(userObj);
        }
    }

@ -87,11 +89,13 @@ export class World {
            return;
        }

-        this.positionNotifier.updatePosition(user, userPosition, user.position);
+        user.setPosition(userPosition);

-        const oldGroupPosition = user.group?.getPosition();
+        this.updateUserGroup(user);
+    }

-        user.position = userPosition;
+    private updateUserGroup(user: User): void {
+        user.group?.updatePosition();

        if (user.silent) {
            return;
@ -111,7 +115,7 @@ export class World {
                    const group: Group = new Group([
                        user,
                        closestUser
-                    ], this.connectCallback, this.disconnectCallback);
+                    ], this.connectCallback, this.disconnectCallback, this.positionNotifier);
                    this.groups.add(group);
                }
            }
@ -119,16 +123,11 @@ export class World {
        } else {
            // If the user is part of a group:
            //  should he leave the group?
-            const distance = World.computeDistanceBetweenPositions(user.position, user.group.getPosition());
+            const distance = World.computeDistanceBetweenPositions(user.getPosition(), user.group.getPosition());
            if (distance > this.groupRadius) {
                this.leaveGroup(user);
            }
        }
-
-        // At the very end, if the user is part of a group, let's call the callback to update group position
-        if (typeof user.group !== 'undefined') {
-            this.positionNotifier.updatePosition(user.group, user.group.getPosition(), oldGroupPosition ? oldGroupPosition : user.group.getPosition());
-        }
    }

    setSilent(socket: Identificable, silent: boolean) {
@ -147,7 +146,7 @@ export class World {
        }
        if (!silent) {
            // If we are back to life, let's trigger a position update to see if we can join some group.
-            this.updatePosition(socket, user.position);
+            this.updatePosition(socket, user.getPosition());
        }
    }

@ -158,9 +157,10 @@ export class World {
     */
    private leaveGroup(user: User): void {
        const group = user.group;
-        if (typeof group === 'undefined') {
+        if (group === undefined) {
            throw new Error("The user is part of no group");
        }
+        const oldPosition = group.getPosition();
        group.leave(user);
        if (group.isEmpty()) {
            this.positionNotifier.leave(group);
@ -170,7 +170,8 @@ export class World {
            }
            this.groups.delete(group);
        } else {
-            this.positionNotifier.updatePosition(group, group.getPosition(), group.getPosition());
+            group.updatePosition();
+            //this.positionNotifier.updatePosition(group, group.getPosition(), oldPosition);
        }
    }

@ -244,7 +245,7 @@ export class World {
            if (group.isFull()) {
                return;
            }
-            const distance = World.computeDistanceBetweenPositions(user.position, group.getPosition());
+            const distance = World.computeDistanceBetweenPositions(user.getPosition(), group.getPosition());
            if(distance <= minimumDistanceFound && distance <= this.groupRadius) {
                minimumDistanceFound = distance;
                matchingItem = group;
@ -256,7 +257,9 @@ export class World {

    public static computeDistance(user1: User, user2: User): number
    {
-        return Math.sqrt(Math.pow(user2.position.x - user1.position.x, 2) + Math.pow(user2.position.y - user1.position.y, 2));
+        const user1Position = user1.getPosition();
+        const user2Position = user2.getPosition();
+        return Math.sqrt(Math.pow(user2Position.x - user1Position.x, 2) + Math.pow(user2Position.y - user1Position.y, 2));
    }

    public static computeDistanceBetweenPositions(position1: PositionInterface, position2: PositionInterface): number
--- a/back/src/Model/Zone.ts
+++ b/back/src/Model/Zone.ts
@ -1,6 +1,7 @@
 import {User} from "./User";
 import {PositionInterface} from "_Model/PositionInterface";
-import {Movable} from "_Model/Movable";
+import {Movable} from "./Movable";
+import {Group} from "./Group";

 export type EntersCallback = (thing: Movable, listener: User) => void;
 export type MovesCallback = (thing: Movable, position: PositionInterface, listener: User) => void;
@ -10,14 +11,27 @@ export class Zone {
    private things: Set<Movable> = new Set<Movable>();
    private listeners: Set<User> = new Set<User>();

-    constructor(private onEnters: EntersCallback, private onMoves: MovesCallback, private onLeaves: LeavesCallback) {
+    /**
+     * @param x For debugging purpose only
+     * @param y For debugging purpose only
+     */
+    constructor(private onEnters: EntersCallback, private onMoves: MovesCallback, private onLeaves: LeavesCallback, private x: number, private y: number) {
    }

    /**
     * A user/thing leaves the zone
     */
    public leave(thing: Movable, newZone: Zone|null) {
-        this.things.delete(thing);
+        const result = this.things.delete(thing);
+        if (!result) {
+            if (thing instanceof User) {
+                throw new Error('Could not find user in zone '+thing.id);
+            }
+            if (thing instanceof Group) {
+                throw new Error('Could not find group '+thing.getId()+' in zone ('+this.x+','+this.y+'). Position of group: ('+thing.getPosition().x+','+thing.getPosition().y+')');
+            }
+
+        }
        this.notifyLeft(thing, newZone);
    }

@ -34,13 +48,13 @@ export class Zone {

    public enter(thing: Movable, oldZone: Zone|null, position: PositionInterface) {
        this.things.add(thing);
-        this.notifyUserEnter(thing, oldZone, position);
+        this.notifyEnter(thing, oldZone, position);
    }

    /**
     * Notify listeners of this zone that this user entered
     */
-    private notifyUserEnter(thing: Movable, oldZone: Zone|null, position: PositionInterface) {
+    private notifyEnter(thing: Movable, oldZone: Zone|null, position: PositionInterface) {
        for (const listener of this.listeners) {
            if (listener === thing) {
                continue;
@ -56,8 +70,7 @@ export class Zone {
    public move(thing: Movable, position: PositionInterface) {
        if (!this.things.has(thing)) {
            this.things.add(thing);
-            const foo = this.things;
-            this.notifyUserEnter(thing, null, position);
+            this.notifyEnter(thing, null, position);
            return;
        }

--- a/back/src/Server/server/app.ts
+++ b/back/src/Server/server/app.ts
@ -0,0 +1,13 @@
+import { App as _App, AppOptions } from 'uWebSockets.js';
+import BaseApp from './baseapp';
+import { extend } from './utils';
+import { UwsApp } from './types';
+
+class App extends (<UwsApp>_App) {
+  constructor(options: AppOptions = {}) {
+    super(options); // eslint-disable-line constructor-super
+    extend(this, new BaseApp());
+  }
+}
+
+export default App;
--- a/back/src/Server/server/baseapp.ts
+++ b/back/src/Server/server/baseapp.ts
@ -0,0 +1,116 @@
+import { Readable } from 'stream';
+import { us_listen_socket_close, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
+
+import formData from './formdata';
+import { stob } from './utils';
+import { Handler } from './types';
+import {join} from "path";
+
+const contTypes = ['application/x-www-form-urlencoded', 'multipart/form-data'];
+const noOp = () => true;
+
+const handleBody = (res: HttpResponse, req: HttpRequest) => {
+  const contType = req.getHeader('content-type');
+
+  res.bodyStream = function() {
+    const stream = new Readable();
+    stream._read = noOp; // eslint-disable-line @typescript-eslint/unbound-method
+
+    this.onData((ab: ArrayBuffer, isLast: boolean) => {
+      // uint and then slicing is bit faster than slice and then uint
+      stream.push(new Uint8Array(ab.slice((ab as any).byteOffset, ab.byteLength))); // eslint-disable-line @typescript-eslint/no-explicit-any
+      if (isLast) {
+        stream.push(null);
+      }
+    });
+
+    return stream;
+  };
+
+  res.body = () => stob(res.bodyStream());
+
+  if (contType.includes('application/json'))
+    res.json = async () => JSON.parse(await res.body());
+  if (contTypes.map(t => contType.indexOf(t) > -1).indexOf(true) > -1)
+    res.formData = formData.bind(res, contType);
+};
+
+class BaseApp {
+  _sockets = new Map();
+  ws!: TemplatedApp['ws'];
+  get!: TemplatedApp['get'];
+  _post!: TemplatedApp['post'];
+  _put!: TemplatedApp['put'];
+  _patch!: TemplatedApp['patch'];
+  _listen!: TemplatedApp['listen'];
+
+  post(pattern: string, handler: Handler) {
+    if (typeof handler !== 'function')
+      throw Error(`handler should be a function, given ${typeof handler}.`);
+    this._post(pattern, (res, req) => {
+      handleBody(res, req);
+      handler(res, req);
+    });
+    return this;
+  }
+
+  put(pattern: string, handler: Handler) {
+    if (typeof handler !== 'function')
+      throw Error(`handler should be a function, given ${typeof handler}.`);
+    this._put(pattern, (res, req) => {
+      handleBody(res, req);
+
+      handler(res, req);
+    });
+    return this;
+  }
+
+  patch(pattern: string, handler: Handler) {
+    if (typeof handler !== 'function')
+      throw Error(`handler should be a function, given ${typeof handler}.`);
+    this._patch(pattern, (res, req) => {
+      handleBody(res, req);
+
+      handler(res, req);
+    });
+    return this;
+  }
+
+  listen(h: string | number, p: Function | number = noOp, cb?: Function) {
+    if (typeof p === 'number' && typeof h === 'string') {
+      this._listen(h, p, socket => {
+        this._sockets.set(p, socket);
+        if (cb === undefined) {
+          throw new Error('cb undefined');
+        }
+        cb(socket);
+      });
+    } else if (typeof h === 'number' && typeof p === 'function') {
+      this._listen(h, socket => {
+        this._sockets.set(h, socket);
+        p(socket);
+      });
+    } else {
+      throw Error(
+        'Argument types: (host: string, port: number, cb?: Function) | (port: number, cb?: Function)'
+      );
+    }
+
+    return this;
+  }
+
+  close(port: null | number = null) {
+    if (port) {
+      this._sockets.has(port) && us_listen_socket_close(this._sockets.get(port));
+      this._sockets.delete(port);
+    } else {
+      this._sockets.forEach(app => {
+        us_listen_socket_close(app);
+      });
+      this._sockets.clear();
+    }
+    return this;
+  }
+}
+
+export default BaseApp;
--- a/back/src/Server/server/formdata.ts
+++ b/back/src/Server/server/formdata.ts
@ -0,0 +1,100 @@
+import { createWriteStream } from 'fs';
+import { join, dirname } from 'path';
+import Busboy from 'busboy';
+import mkdirp from 'mkdirp';
+
+function formData(
+  contType: string,
+  options: busboy.BusboyConfig & {
+    abortOnLimit?: boolean;
+    tmpDir?: string;
+    onFile?: (
+      fieldname: string,
+      file: NodeJS.ReadableStream,
+      filename: string,
+      encoding: string,
+      mimetype: string
+    ) => string;
+    onField?: (fieldname: string, value: any) => void;
+    filename?: (oldName: string) => string;
+  } = {}
+) {
+  console.log('Enter form data');
+  options.headers = {
+    'content-type': contType
+  };
+
+  return new Promise((resolve, reject) => {
+    const busb = new Busboy(options);
+    const ret = {};
+
+    this.bodyStream().pipe(busb);
+
+    busb.on('limit', () => {
+      if (options.abortOnLimit) {
+        reject(Error('limit'));
+      }
+    });
+
+    busb.on('file', function(fieldname, file, filename, encoding, mimetype) {
+      const value: { filePath: string|undefined, filename: string, encoding:string, mimetype: string } = {
+        filename,
+        encoding,
+        mimetype,
+        filePath: undefined
+      };
+
+      if (typeof options.tmpDir === 'string') {
+        if (typeof options.filename === 'function') filename = options.filename(filename);
+        const fileToSave = join(options.tmpDir, filename);
+        mkdirp(dirname(fileToSave));
+
+        file.pipe(createWriteStream(fileToSave));
+        value.filePath = fileToSave;
+      }
+      if (typeof options.onFile === 'function') {
+        value.filePath =
+          options.onFile(fieldname, file, filename, encoding, mimetype) || value.filePath;
+      }
+
+      setRetValue(ret, fieldname, value);
+    });
+
+    busb.on('field', function(fieldname, value) {
+      if (typeof options.onField === 'function') options.onField(fieldname, value);
+
+      setRetValue(ret, fieldname, value);
+    });
+
+    busb.on('finish', function() {
+      resolve(ret);
+    });
+
+    busb.on('error', reject);
+  });
+}
+
+function setRetValue(
+  ret: { [x: string]: any },
+  fieldname: string,
+  value: { filename: string; encoding: string; mimetype: string; filePath?: string } | any
+) {
+  if (fieldname.slice(-2) === '[]') {
+    fieldname = fieldname.slice(0, fieldname.length - 2);
+    if (Array.isArray(ret[fieldname])) {
+      ret[fieldname].push(value);
+    } else {
+      ret[fieldname] = [value];
+    }
+  } else {
+    if (Array.isArray(ret[fieldname])) {
+      ret[fieldname].push(value);
+    } else if (ret[fieldname]) {
+      ret[fieldname] = [ret[fieldname], value];
+    } else {
+      ret[fieldname] = value;
+    }
+  }
+}
+
+export default formData;
--- a/back/src/Server/server/sslapp.ts
+++ b/back/src/Server/server/sslapp.ts
@ -0,0 +1,13 @@
+import { SSLApp as _SSLApp, AppOptions } from 'uWebSockets.js';
+import BaseApp from './baseapp';
+import { extend } from './utils';
+import { UwsApp } from './types';
+
+class SSLApp extends (<UwsApp>_SSLApp) {
+  constructor(options: AppOptions) {
+    super(options); // eslint-disable-line constructor-super
+    extend(this, new BaseApp());
+  }
+}
+
+export default SSLApp;
--- a/back/src/Server/server/types.ts
+++ b/back/src/Server/server/types.ts
@ -0,0 +1,11 @@
+import { AppOptions, TemplatedApp, HttpResponse, HttpRequest } from 'uWebSockets.js';
+
+export type UwsApp = {
+  (options: AppOptions): TemplatedApp;
+  new (options: AppOptions): TemplatedApp;
+  prototype: TemplatedApp;
+};
+
+export type Handler = (res: HttpResponse, req: HttpRequest) => void;
+
+export {};
--- a/back/src/Server/server/utils.ts
+++ b/back/src/Server/server/utils.ts
@ -0,0 +1,37 @@
+import { ReadStream } from 'fs';
+
+function extend(who: any, from: any, overwrite = true) { // eslint-disable-line @typescript-eslint/no-explicit-any
+  const ownProps = Object.getOwnPropertyNames(Object.getPrototypeOf(from)).concat(
+    Object.keys(from)
+  );
+  ownProps.forEach(prop => {
+    if (prop === 'constructor' || from[prop] === undefined) return;
+    if (who[prop] && overwrite) {
+      who[`_${prop}`] = who[prop];
+    }
+    if (typeof from[prop] === 'function') who[prop] = from[prop].bind(who);
+    else who[prop] = from[prop];
+  });
+}
+
+function stob(stream: ReadStream): Promise<Buffer> {
+  return new Promise(resolve => {
+    const buffers: Buffer[] = [];
+    stream.on('data', buffers.push.bind(buffers));
+
+    stream.on('end', () => {
+      switch (buffers.length) {
+        case 0:
+          resolve(Buffer.allocUnsafe(0));
+          break;
+        case 1:
+          resolve(buffers[0]);
+          break;
+        default:
+          resolve(Buffer.concat(buffers));
+      }
+    });
+  });
+}
+
+export { extend, stob };
--- a/back/src/Server/sifrr.server.ts
+++ b/back/src/Server/sifrr.server.ts
@ -0,0 +1,19 @@
+import { parse } from 'query-string';
+import { HttpRequest } from 'uWebSockets.js';
+import App from './server/app';
+import SSLApp from './server/sslapp';
+import * as types from './server/types';
+
+const getQuery = (req: HttpRequest) => {
+  return parse(req.getQuery());
+};
+
+export { App, SSLApp, getQuery };
+export * from './server/types';
+
+export default {
+  App,
+  SSLApp,
+  getQuery,
+  ...types
+};
--- a/back/src/Services/CpuTracker.ts
+++ b/back/src/Services/CpuTracker.ts
@ -0,0 +1,55 @@
+import {CPU_OVERHEAT_THRESHOLD} from "../Enum/EnvironmentVariable";
+
+function secNSec2ms(secNSec: Array<number>|number) {
+    if (Array.isArray(secNSec)) {
+        return secNSec[0] * 1000 + secNSec[1] / 1000000;
+    }
+    return secNSec / 1000;
+}
+
+class CpuTracker {
+    private cpuPercent: number = 0;
+    private overHeating: boolean = false;
+
+    constructor() {
+        let time  = process.hrtime.bigint()
+        let usage = process.cpuUsage()
+        setInterval(() => {
+            const elapTime = process.hrtime.bigint();
+            const elapUsage = process.cpuUsage(usage)
+            usage = process.cpuUsage()
+
+            const elapTimeMS = elapTime - time;
+            const elapUserMS = secNSec2ms(elapUsage.user)
+            const elapSystMS = secNSec2ms(elapUsage.system)
+            this.cpuPercent = Math.round(100 * (elapUserMS + elapSystMS) / Number(elapTimeMS) * 1000000)
+
+            time = elapTime;
+
+            if (!this.overHeating && this.cpuPercent > CPU_OVERHEAT_THRESHOLD) {
+                this.overHeating = true;
+                console.warn('CPU high threshold alert. Going in "overheat" mode');
+            } else if (this.overHeating && this.cpuPercent <= CPU_OVERHEAT_THRESHOLD) {
+                this.overHeating = false;
+                console.log('CPU is back to normal. Canceling "overheat" mode');
+            }
+
+            /*console.log('elapsed time ms:  ', elapTimeMS)
+            console.log('elapsed user ms:  ', elapUserMS)
+            console.log('elapsed system ms:', elapSystMS)
+            console.log('cpu percent:      ', this.cpuPercent)*/
+        }, 100);
+    }
+
+    public getCpuPercent(): number {
+        return this.cpuPercent;
+    }
+
+    public isOverHeating(): boolean {
+        return this.overHeating;
+    }
+}
+
+const cpuTracker = new CpuTracker();
+
+export { cpuTracker };
--- a/back/tests/PositionNotifierTest.ts
+++ b/back/tests/PositionNotifierTest.ts
@ -8,15 +8,8 @@ import {PointInterface} from "../src/Model/Websocket/PointInterface";
 import {Zone} from "_Model/Zone";
 import {Movable} from "_Model/Movable";
 import {PositionInterface} from "_Model/PositionInterface";
+import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";

-function move(user: User, x: number, y: number, positionNotifier: PositionNotifier): void {
-    positionNotifier.updatePosition(user, {
-        x,
-        y
-    }, user.position);
-    user.position.x = x;
-    user.position.y = y;
-}

 describe("PositionNotifier", () => {
    it("should receive notifications when player moves", () => {
@ -32,19 +25,19 @@ describe("PositionNotifier", () => {
            leaveTriggered = true;
        });

-        const user1 = new User("1", {
+        const user1 = new User(1, {
            x: 500,
            y: 500,
            moving: false,
            direction: 'down'
-        }, false);
+        }, false, positionNotifier, {} as ExSocketInterface);

-        const user2 = new User("2", {
+        const user2 = new User(2, {
            x: -9999,
            y: -9999,
            moving: false,
            direction: 'down'
-        }, false);
+        }, false, positionNotifier, {} as ExSocketInterface);

        positionNotifier.setViewport(user1, {
            left: 200,
@ -53,21 +46,21 @@ describe("PositionNotifier", () => {
            bottom: 500
        });

-        move(user2, 500, 500, positionNotifier);
+        user2.setPosition({x: 500, y: 500, direction: 'down', moving: false});

        expect(enterTriggered).toBe(true);
        expect(moveTriggered).toBe(false);
        enterTriggered = false;

        // Move inside the zone
-        move(user2, 501, 500, positionNotifier);
+        user2.setPosition({x:501, y:500, direction: 'down', moving: false});

        expect(enterTriggered).toBe(false);
        expect(moveTriggered).toBe(true);
        moveTriggered = false;

        // Move out of the zone in a zone that we don't track
-        move(user2, 901, 500, positionNotifier);
+        user2.setPosition({x: 901, y: 500, direction: 'down', moving: false});

        expect(enterTriggered).toBe(false);
        expect(moveTriggered).toBe(false);
@ -75,14 +68,14 @@ describe("PositionNotifier", () => {
        leaveTriggered = false;

        // Move back in
-        move(user2, 500, 500, positionNotifier);
+        user2.setPosition({x: 500, y: 500, direction: 'down', moving: false});
        expect(enterTriggered).toBe(true);
        expect(moveTriggered).toBe(false);
        expect(leaveTriggered).toBe(false);
        enterTriggered = false;

        // Move out of the zone in a zone that we do track
-        move(user2, 200, 500, positionNotifier);
+        user2.setPosition({x: 200, y: 500, direction: 'down', moving: false});
        expect(enterTriggered).toBe(false);
        expect(moveTriggered).toBe(true);
        expect(leaveTriggered).toBe(false);
@ -110,19 +103,19 @@ describe("PositionNotifier", () => {
            leaveTriggered = true;
        });

-        const user1 = new User("1", {
+        const user1 = new User(1, {
            x: 500,
            y: 500,
            moving: false,
            direction: 'down'
-        }, false);
+        }, false, positionNotifier, {} as ExSocketInterface);

-        const user2 = new User("2", {
-            x: -9999,
-            y: -9999,
+        const user2 = new User(2, {
+            x: 0,
+            y: 0,
            moving: false,
            direction: 'down'
-        }, false);
+        }, false, positionNotifier, {} as ExSocketInterface);

        let newUsers = positionNotifier.setViewport(user1, {
            left: 200,
@ -131,14 +124,16 @@ describe("PositionNotifier", () => {
            bottom: 500
        });

-        expect(newUsers.length).toBe(0);
-
-        move(user2, 500, 500, positionNotifier);
-
+        expect(newUsers.length).toBe(2);
        expect(enterTriggered).toBe(true);
-        expect(moveTriggered).toBe(false);
        enterTriggered = false;

+        user2.setPosition({x: 500, y: 500, direction: 'down', moving: false});
+
+        expect(enterTriggered).toBe(false);
+        expect(moveTriggered).toBe(true);
+        moveTriggered = false;
+
        // Move the viewport but the user stays inside.
        positionNotifier.setViewport(user1, {
            left: 201,
@ -176,6 +171,6 @@ describe("PositionNotifier", () => {
        expect(moveTriggered).toBe(false);
        expect(leaveTriggered).toBe(false);
        enterTriggered = false;
-        expect(newUsers.length).toBe(1);
+        expect(newUsers.length).toBe(2);
    });
 })
--- a/back/tests/WorldTest.ts
+++ b/back/tests/WorldTest.ts
@ -2,59 +2,67 @@ import "jasmine";
 import {World, ConnectCallback, DisconnectCallback } from "../src/Model/World";
 import {Point} from "../src/Model/Websocket/MessageUserPosition";
 import { Group } from "../src/Model/Group";
+import {ExSocketInterface} from "_Model/Websocket/ExSocketInterface";
+import {User} from "_Model/User";
+
+function createMockUser(userId: number): ExSocketInterface {
+    return {
+        userId
+    } as ExSocketInterface;
+}

 describe("World", () => {
    it("should connect user1 and user2", () => {
        let connectCalledNumber: number = 0;
-        const connect: ConnectCallback = (user: string, group: Group): void => {
+        const connect: ConnectCallback = (user: User, group: Group): void => {
            connectCalledNumber++;
        }
-        const disconnect: DisconnectCallback = (user: string, group: Group): void => {
+        const disconnect: DisconnectCallback = (user: User, group: Group): void => {

        }

        const world = new World(connect, disconnect, 160, 160, () => {}, () => {}, () => {});

-        world.join({ userId: "foo" }, new Point(100, 100));
+        world.join(createMockUser(1), new Point(100, 100));

-        world.join({ userId: "bar" }, new Point(500, 100));
+        world.join(createMockUser(2), new Point(500, 100));

-        world.updatePosition({ userId: "bar" }, new Point(261, 100));
+        world.updatePosition({ userId: 2 }, new Point(261, 100));

        expect(connectCalledNumber).toBe(0);

-        world.updatePosition({ userId: "bar" }, new Point(101, 100));
+        world.updatePosition({ userId: 2 }, new Point(101, 100));

        expect(connectCalledNumber).toBe(2);

-        world.updatePosition({ userId: "bar" }, new Point(102, 100));
+        world.updatePosition({ userId: 2 }, new Point(102, 100));
        expect(connectCalledNumber).toBe(2);
    });

    it("should connect 3 users", () => {
        let connectCalled: boolean = false;
-        const connect: ConnectCallback = (user: string, group: Group): void => {
+        const connect: ConnectCallback = (user: User, group: Group): void => {
            connectCalled = true;
        }
-        const disconnect: DisconnectCallback = (user: string, group: Group): void => {
+        const disconnect: DisconnectCallback = (user: User, group: Group): void => {

        }

        const world = new World(connect, disconnect, 160, 160, () => {}, () => {}, () => {});

-        world.join({ userId: "foo" }, new Point(100, 100));
+        world.join(createMockUser(1), new Point(100, 100));

-        world.join({ userId: "bar" }, new Point(200, 100));
+        world.join(createMockUser(2), new Point(200, 100));

        expect(connectCalled).toBe(true);
        connectCalled = false;

        // baz joins at the outer limit of the group
-        world.join({ userId: "baz" }, new Point(311, 100));
+        world.join(createMockUser(3), new Point(311, 100));

        expect(connectCalled).toBe(false);

-        world.updatePosition({ userId: "baz" }, new Point(309, 100));
+        world.updatePosition({ userId: 3 }, new Point(309, 100));

        expect(connectCalled).toBe(true);
    });
@ -62,27 +70,27 @@ describe("World", () => {
    it("should disconnect user1 and user2", () => {
        let connectCalled: boolean = false;
        let disconnectCallNumber: number = 0;
-        const connect: ConnectCallback = (user: string, group: Group): void => {
+        const connect: ConnectCallback = (user: User, group: Group): void => {
            connectCalled = true;
        }
-        const disconnect: DisconnectCallback = (user: string, group: Group): void => {
+        const disconnect: DisconnectCallback = (user: User, group: Group): void => {
            disconnectCallNumber++;
        }

        const world = new World(connect, disconnect, 160, 160, () => {}, () => {}, () => {});

-        world.join({ userId: "foo" }, new Point(100, 100));
+        world.join(createMockUser(1), new Point(100, 100));

-        world.join({ userId: "bar" }, new Point(259, 100));
+        world.join(createMockUser(2), new Point(259, 100));

        expect(connectCalled).toBe(true);
        expect(disconnectCallNumber).toBe(0);

-        world.updatePosition({ userId: "bar" }, new Point(100+160+160+1, 100));
+        world.updatePosition({ userId: 2 }, new Point(100+160+160+1, 100));

        expect(disconnectCallNumber).toBe(2);

-        world.updatePosition({ userId: "bar" }, new Point(262, 100));
+        world.updatePosition({ userId: 2 }, new Point(262, 100));
        expect(disconnectCallNumber).toBe(2);
    });

--- a/back/tsconfig.json
+++ b/back/tsconfig.json
@ -7,7 +7,7 @@
    "downlevelIteration": true,
    "module": "commonjs",                     /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */
    // "lib": [],                             /* Specify library files to be included in the compilation. */
-    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    "allowJs": true,                          /* Allow javascript files to be compiled. */
    // "checkJs": true,                       /* Report errors in .js files. */
    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
@ -31,7 +31,7 @@
    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
-    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    "noImplicitThis": false,                /* Raise error on 'this' expressions with an implied 'any' type. */ // Disabled because of sifrr server that is monkey patching HttpResponse
    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */

    /* Additional Checks */
--- a/back/yarn.lock
+++ b/back/yarn.lock
--- a/benchmark/.gitignore
+++ b/benchmark/.gitignore
@ -0,0 +1,3 @@
+/node_modules/
+/artillery_output.html
+/artillery_output.json
--- a/benchmark/artillery_multi_core.sh
+++ b/benchmark/artillery_multi_core.sh
@ -1,17 +0,0 @@
-#!/bin/bash
-
-npm run start &
-pid1=$!
-npm run start:nooutput &
-pid2=$!
-npm run start:nooutput &
-pid3=$!
-npm run start:nooutput &
-pid4=$!
-
-wait $pid1
-wait $pid2
-wait $pid3
-wait $pid4
-
-
--- a/benchmark/benchmark_multi_core.sh
+++ b/benchmark/benchmark_multi_core.sh
@ -0,0 +1,15 @@
+#!/bin/bash
+
+yarn run start &
+pid1=$!
+yarn run start &
+pid2=$!
+yarn run start &
+pid3=$!
+yarn run start &
+pid4=$!
+
+wait $pid1
+wait $pid2
+wait $pid3
+wait $pid4
--- a/benchmark/index.ts
+++ b/benchmark/index.ts
@ -0,0 +1,56 @@
+import {RoomConnection} from "../front/src/Connexion/RoomConnection";
+import {connectionManager} from "../front/src/Connexion/ConnectionManager";
+import * as WebSocket from "ws"
+
+function sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+RoomConnection.setWebsocketFactory((url: string) => {
+    return new WebSocket(url);
+});
+
+async function startOneUser(): Promise<void> {
+    const connection = await connectionManager.connectToRoomSocket();
+    connection.emitPlayerDetailsMessage('foo', ['male3']);
+
+    await connection.joinARoom('global__maps.workadventure.localhost/Floor0/floor0', 783, 170, 'down', true, {
+        top: 0,
+        bottom: 200,
+        left: 500,
+        right: 800
+    });
+    console.log(connection.getUserId());
+
+    let angle = Math.random() * Math.PI * 2;
+
+    for (let i = 0; i < 100; i++) {
+        const x = Math.floor(320 + 1472/2 * (1 + Math.sin(angle)));
+        const y = Math.floor(200 + 1090/2 * (1 + Math.cos(angle)));
+
+        connection.sharePosition(x, y, 'down', true, {
+            top: y - 200,
+            bottom: y + 200,
+            left: x - 320,
+            right: x + 320
+        })
+
+        angle += 0.05;
+
+        await sleep(200);
+    }
+
+    await sleep(10000);
+    connection.closeConnection();
+}
+
+(async () => {
+    connectionManager.initBenchmark();
+
+
+    for (let userNo = 0; userNo < 40; userNo++) {
+        startOneUser();
+        // Wait 0.5s between adding users
+        await sleep(500);
+    }
+})();
--- a/benchmark/package-lock.json
+++ b/benchmark/package-lock.json
--- a/benchmark/package.json
+++ b/benchmark/package.json
@ -3,8 +3,7 @@
  "version": "1.0.0",
  "description": "Load testing for WorkAdventure",
  "scripts": {
-    "start": "artillery run socketio-load-test.yaml -o artillery_output.json && artillery report --output artillery_output.html artillery_output.json",
-    "start:nooutput": "artillery run socketio-load-test.yaml"
+    "start": "ts-node ./index.ts"
  },
  "contributors": [
    {
@ -22,6 +21,10 @@
  ],
  "license": "SEE LICENSE IN LICENSE.txt",
  "dependencies": {
-    "artillery": "^1.6.1"
-  }
+    "@types/ws": "^7.2.6",
+    "ts-node-dev": "^1.0.0-pre.62",
+    "typescript": "^4.0.2",
+    "ws": "^7.3.1"
+  },
+  "devDependencies": {}
 }
--- a/benchmark/socketio-load-test.yaml
+++ b/benchmark/socketio-load-test.yaml
@ -1,54 +0,0 @@
-config:
-  target: "http://api.workadventure.localhost/"
-  socketio:
-    transports: ["websocket"]
-    query:
-      token: "test"
-  phases:
-    - duration: 20
-      arrivalRate: 2
-  processor: "./socketioLoadTest.js"
-scenarios:
-  - name: "Connects and moves player for 20 seconds"
-    weight: 90
-    engine: "socketio"
-    flow:
-      - emit:
-          channel: "set-player-details"
-          data:
-            name: 'TEST'
-            characterLayers: ['male3']
-      - think: 1
-      - emit:
-          channel: "join-room"
-          data:
-            roomId: 'global__api.workadventure.localhost/map/files/Floor0/floor0'
-            position:
-              x: 783
-              y: 170
-              direction: 'down'
-              moving: false
-            viewport:
-              left: 500
-              top: 0
-              right: 800
-              bottom: 200
-      - think: 1
-      - loop:
-        - function: "setYRandom"
-        - emit:
-            channel: "user-position"
-            data:
-              position:
-                x: "{{ x }}"
-                y: "{{ y }}"
-                direction: 'down'
-                moving: false
-              viewport:
-                left: "{{ left }}"
-                top: "{{ top }}"
-                right: "{{ right }}"
-                bottom: "{{ bottom }}"
-        - think: 0.2
-        count: 100
-      - think: 10
--- a/benchmark/socketioLoadTest.js
+++ b/benchmark/socketioLoadTest.js
@ -1,20 +0,0 @@
-'use strict';
-
-module.exports = {
-    setYRandom
-};
-
-function setYRandom(context, events, done) {
-    if (context.angle === undefined) {
-        context.angle = Math.random() * Math.PI * 2;
-    }
-    context.angle += 0.05;
-
-    context.vars.x = 320 + 1472/2 * (1 + Math.sin(context.angle));
-    context.vars.y = 200 + 1090/2 * (1 + Math.cos(context.angle));
-    context.vars.left = context.vars.x - 320;
-    context.vars.top = context.vars.y - 200;
-    context.vars.right = context.vars.x + 320;
-    context.vars.bottom = context.vars.y + 200;
-    return done();
-}
--- a/benchmark/yarn.lock
+++ b/benchmark/yarn.lock
@ -0,0 +1,528 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/node@*":
+  version "14.11.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-14.11.2.tgz#2de1ed6670439387da1c9f549a2ade2b0a799256"
+
+"@types/strip-bom@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
+
+"@types/strip-json-comments@0.0.30":
+  version "0.0.30"
+  resolved "https://registry.yarnpkg.com/@types/strip-json-comments/-/strip-json-comments-0.0.30.tgz#9aa30c04db212a9a0649d6ae6fd50accc40748a1"
+
+"@types/ws@^7.2.6":
+  version "7.2.6"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.2.6.tgz#516cbfb818310f87b43940460e065eb912a4178d"
+  dependencies:
+    "@types/node" "*"
+
+anymatch@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.1.1.tgz#c55ecf02185e2469259399310c173ce31233b142"
+  dependencies:
+    normalize-path "^3.0.0"
+    picomatch "^2.0.4"
+
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+
+binary-extensions@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.1.0.tgz#30fa40c9e7fe07dbc895678cd287024dea241dd9"
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  dependencies:
+    fill-range "^7.0.1"
+
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
+camelcase@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
+
+chokidar@^3.4.0:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.2.tgz#38dc8e658dec3809741eb3ef7bb0a47fe424232d"
+  dependencies:
+    anymatch "~3.1.1"
+    braces "~3.0.2"
+    glob-parent "~5.1.0"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.4.0"
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
+dateformat@~1.0.4-1.2.3:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
+  dependencies:
+    get-stdin "^4.0.1"
+    meow "^3.3.0"
+
+decamelize@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+
+dynamic-dedupe@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/dynamic-dedupe/-/dynamic-dedupe-0.3.0.tgz#06e44c223f5e4e94d78ef9db23a6515ce2f962a1"
+  dependencies:
+    xtend "^4.0.0"
+
+error-ex@^1.2.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  dependencies:
+    is-arrayish "^0.2.1"
+
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  dependencies:
+    to-regex-range "^5.0.1"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+
+glob-parent@~5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.1.tgz#b6c1ef417c4e5663ea498f1c45afac6916bbc229"
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@^7.1.3:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+graceful-fs@^4.1.2:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+
+hosted-git-info@^2.1.4:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
+
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
+is-binary-path@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  dependencies:
+    binary-extensions "^2.0.0"
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+
+is-finite@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.1.0.tgz#904135c77fb42c0641d6aa1bcdbc4daa8da082f3"
+
+is-glob@^4.0.1, is-glob@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
+loud-rejection@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
+make-error@^1.1.1:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
+
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
+meow@^3.3.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.1.3, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+
+mkdirp@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    resolve "^1.10.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+normalize-path@^3.0.0, normalize-path@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+
+object-assign@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+picomatch@^2.0.4, picomatch@^2.2.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+readdirp@~3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.4.0.tgz#9fdccdf9e9155805449221ac645e8303ab5b9ada"
+  dependencies:
+    picomatch "^2.2.1"
+
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  dependencies:
+    is-finite "^1.0.0"
+
+resolve@^1.0.0, resolve@^1.10.0:
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
+  dependencies:
+    path-parse "^1.0.6"
+
+rimraf@^2.6.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  dependencies:
+    glob "^7.1.3"
+
+"semver@2 || 3 || 4 || 5":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+
+signal-exit@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
+
+source-map-support@^0.5.12, source-map-support@^0.5.17:
+  version "0.5.19"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
+source-map@^0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
+spdx-correct@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.3.0.tgz#3f28ce1a77a00372683eade4a433183527a2163d"
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz#cf70f50482eefdc98e3ce0a6833e4a53ceeba679"
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.6.tgz#c80757383c28abf7296744998cbc106ae8b854ce"
+
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  dependencies:
+    is-utf8 "^0.2.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
+strip-json-comments@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  dependencies:
+    is-number "^7.0.0"
+
+tree-kill@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
+
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
+ts-node-dev@^1.0.0-pre.62:
+  version "1.0.0-pre.62"
+  resolved "https://registry.yarnpkg.com/ts-node-dev/-/ts-node-dev-1.0.0-pre.62.tgz#835644c43669b659a880379b9d06df86cef665ad"
+  dependencies:
+    chokidar "^3.4.0"
+    dateformat "~1.0.4-1.2.3"
+    dynamic-dedupe "^0.3.0"
+    minimist "^1.2.5"
+    mkdirp "^1.0.4"
+    resolve "^1.0.0"
+    rimraf "^2.6.1"
+    source-map-support "^0.5.12"
+    tree-kill "^1.2.2"
+    ts-node "^8.10.2"
+    tsconfig "^7.0.0"
+
+ts-node@^8.10.2:
+  version "8.10.2"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.10.2.tgz#eee03764633b1234ddd37f8db9ec10b75ec7fb8d"
+  dependencies:
+    arg "^4.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
+tsconfig@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/tsconfig/-/tsconfig-7.0.0.tgz#84538875a4dc216e5c4a5432b3a4dec3d54e91b7"
+  dependencies:
+    "@types/strip-bom" "^3.0.0"
+    "@types/strip-json-comments" "0.0.30"
+    strip-bom "^3.0.0"
+    strip-json-comments "^2.0.0"
+
+typescript@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
+  dependencies:
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+ws@^7.3.1:
+  version "7.3.1"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.3.1.tgz#d0547bf67f7ce4f12a72dfe31262c68d7dc551c8"
+
+xtend@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@ -73,6 +73,7 @@ services:
      STARTUP_COMMAND_1: yarn install
      SECRET_KEY: yourSecretKey
      ALLOW_ARTILLERY: "true"
+      ADMIN_API_TOKEN: "$ADMIN_API_TOKEN"
    volumes:
      - ./back:/usr/src/app
    labels:
@ -101,3 +102,13 @@ services:
      - "traefik.http.routers.website-ssl.entryPoints=websecure"
      - "traefik.http.routers.website-ssl.tls=true"
      - "traefik.http.routers.website-ssl.service=website"
+
+  messages:
+    image: thecodingmachine/workadventure-back-base:latest
+    environment:
+      STARTUP_COMMAND_1: yarn install
+      STARTUP_COMMAND_2: yarn run proto:watch
+    volumes:
+      - ./messages:/usr/src/app
+      - ./back:/usr/src/back
+      - ./front:/usr/src/front
--- a/front/Dockerfile
+++ b/front/Dockerfile
@ -1,7 +1,13 @@
+FROM thecodingmachine/workadventure-back-base:latest as builder
+WORKDIR /var/www/messages
+COPY --chown=docker:docker messages .
+RUN yarn install && yarn proto
+
 # we are rebuilding on each deploy to cope with the API_URL environment URL
 FROM thecodingmachine/nodejs:14-apache

-COPY --chown=docker:docker . .
+COPY --chown=docker:docker front .
+COPY --from=builder --chown=docker:docker /var/www/messages/generated /var/www/html/src/Messages/generated
 RUN yarn install

 ENV NODE_ENV=production
--- a/front/package.json
+++ b/front/package.json
@ -4,6 +4,7 @@
  "main": "index.js",
  "license": "SEE LICENSE IN LICENSE.txt",
  "devDependencies": {
+    "@types/google-protobuf": "^3.7.3",
    "@types/jasmine": "^3.5.10",
    "@typescript-eslint/eslint-plugin": "^2.26.0",
    "@typescript-eslint/parser": "^2.26.0",
@ -23,6 +24,7 @@
    "@types/simple-peer": "^9.6.0",
    "@types/socket.io-client": "^1.4.32",
    "generic-type-guard": "^3.2.0",
+    "google-protobuf": "^3.13.0",
    "phaser": "^3.22.0",
    "queue-typescript": "^1.0.1",
    "quill": "1.3.6",
--- a/front/src/Administration/ConsoleGlobalMessageManager.ts
+++ b/front/src/Administration/ConsoleGlobalMessageManager.ts
@ -3,8 +3,9 @@ import {GameScene} from "../Phaser/Game/GameScene";
 const Quill = require("quill");

 import {HtmlUtils} from "../WebRtc/HtmlUtils";
-import {Connection, GlobalMessageInterface} from "../Connection";
 import {UserInputManager} from "../Phaser/UserInput/UserInputManager";
+import {RoomConnection} from "../Connexion/RoomConnection";
+import {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";

 export const CLASS_CONSOLE_MESSAGE = 'main-console';
 export const INPUT_CONSOLE_MESSAGE = 'input-send-text';
@ -21,14 +22,12 @@ interface EventTargetFiles extends EventTarget {

 export class ConsoleGlobalMessageManager {

-    private Connection: Connection;
    private divMainConsole: HTMLDivElement;
    private buttonMainConsole: HTMLDivElement;
    private activeConsole: boolean = false;
    private userInputManager!: UserInputManager;

-    constructor(Connection: Connection, userInputManager : UserInputManager) {
-        this.Connection = Connection;
+    constructor(private Connection: RoomConnection, userInputManager : UserInputManager) {
        this.buttonMainConsole = document.createElement('div');
        this.buttonMainConsole.classList.add('console');
        this.divMainConsole = document.createElement('div');
@ -240,8 +239,8 @@ export class ConsoleGlobalMessageManager {
        if(!quillEditor){
            throw "Error get quill node";
        }
-        const GlobalMessage : GlobalMessageInterface = {
-            id: 1,
+        const GlobalMessage : PlayGlobalMessageInterface = {
+            id: "1", // FIXME: use another ID?
            message: quillEditor.innerHTML,
            type: MESSAGE_TYPE
        };
@ -260,8 +259,8 @@ export class ConsoleGlobalMessageManager {
        fd.append('file', selectedFile);
        const res = await this.Connection.uploadAudio(fd);

-        const GlobalMessage : GlobalMessageInterface = {
-            id: (res as {id: number}).id,
+        const GlobalMessage : PlayGlobalMessageInterface = {
+            id: (res as {id: string}).id,
            message: (res as {path: string}).path,
            type: AUDIO_TYPE
        };
--- a/front/src/Administration/GlobalMessageManager.ts
+++ b/front/src/Administration/GlobalMessageManager.ts
@ -1,30 +1,28 @@
 import {HtmlUtils} from "./../WebRtc/HtmlUtils";
-import {Connection, GlobalMessageInterface} from "../Connection";
 import {AUDIO_TYPE, MESSAGE_TYPE} from "./ConsoleGlobalMessageManager";
 import {API_URL} from "../Enum/EnvironmentVariable";
+import {RoomConnection} from "../Connexion/RoomConnection";
+import {PlayGlobalMessageInterface} from "../Connexion/ConnexionModels";

 export class GlobalMessageManager {

-    private Connection: Connection;
-
-    constructor(Connection: Connection) {
-        this.Connection = Connection;
+    constructor(private Connection: RoomConnection) {
        this.initialise();
    }

    initialise(){
        //receive signal to show message
-        this.Connection.receivePlayGlobalMessage((message: GlobalMessageInterface) => {
+        this.Connection.receivePlayGlobalMessage((message: PlayGlobalMessageInterface) => {
            this.playMessage(message);
        });

        //receive signal to close message
-        this.Connection.receiveStopGlobalMessage((message: GlobalMessageInterface) => {
-            this.stopMessage(message.id);
+        this.Connection.receiveStopGlobalMessage((messageId: string) => {
+            this.stopMessage(messageId);
        });
    }

-    private playMessage(message : GlobalMessageInterface){
+    private playMessage(message : PlayGlobalMessageInterface){
        const previousMessage = document.getElementById(this.getHtmlMessageId(message.id));
        if(previousMessage){
            previousMessage.remove();
@ -39,7 +37,7 @@ export class GlobalMessageManager {
        }
    }

-    private playAudioMessage(messageId : number, urlMessage: string){
+    private playAudioMessage(messageId : string, urlMessage: string){
        //delete previous elements
        const previousDivAudio = document.getElementsByClassName('audio-playing');
        for(let i = 0; i < previousDivAudio.length; i++){
@ -80,7 +78,7 @@ export class GlobalMessageManager {
        mainSectionDiv.appendChild(messageAudio);
    }

-    private playTextMessage(messageId : number, htmlMessage: string){
+    private playTextMessage(messageId : string, htmlMessage: string){
        //add button to clear message
        const buttonText = document.createElement('p');
        buttonText.id = 'button-clear-message';
@ -113,12 +111,11 @@ export class GlobalMessageManager {
        mainSectionDiv.appendChild(messageContainer);
    }

-    private stopMessage(messageId: number){
+    private stopMessage(messageId: string){
        HtmlUtils.removeElementByIdOrFail<HTMLDivElement>(this.getHtmlMessageId(messageId));
    }

-    private getHtmlMessageId(messageId: number) : string{
+    private getHtmlMessageId(messageId: string) : string{
        return `message-${messageId}`;
    }
-
 }
--- a/front/src/Connection.ts
+++ b/front/src/Connection.ts
@ -1,338 +0,0 @@
-import Axios from "axios";
-import {API_URL} from "./Enum/EnvironmentVariable";
-import {SetPlayerDetailsMessage} from "./Messages/SetPlayerDetailsMessage";
-
-const SocketIo = require('socket.io-client');
-import Socket = SocketIOClient.Socket;
-import {PlayerAnimationNames} from "./Phaser/Player/Animation";
-import {UserSimplePeerInterface} from "./WebRtc/SimplePeer";
-import {SignalData} from "simple-peer";
-
-enum EventMessage{
-    WEBRTC_SIGNAL = "webrtc-signal",
-    WEBRTC_SCREEN_SHARING_SIGNAL = "webrtc-screen-sharing-signal",
-    WEBRTC_START = "webrtc-start",
-    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
-    MESSAGE_ERROR = "message-error",
-    WEBRTC_DISCONNECT = "webrtc-disconect",
-    GROUP_CREATE_UPDATE = "group-create-update",
-    GROUP_DELETE = "group-delete",
-    SET_PLAYER_DETAILS = "set-player-details", // Send the name and character to the server (on connect), receive back the id.
-    ITEM_EVENT = 'item-event',
-
-    CONNECT_ERROR = "connect_error",
-    SET_SILENT = "set_silent", // Set or unset the silent mode for this user.
-    SET_VIEWPORT = "set-viewport",
-    BATCH = "batch",
-
-    PLAY_GLOBAL_MESSAGE = "play-global-message",
-    STOP_GLOBAL_MESSAGE = "stop-global-message",
-}
-
-export interface PointInterface {
-    x: number;
-    y: number;
-    direction : string;
-    moving: boolean;
-}
-
-export class Point implements PointInterface{
-    constructor(public x : number, public y : number, public direction : string = PlayerAnimationNames.WalkDown, public moving : boolean = false) {
-        if(x  === null || y === null){
-            throw Error("position x and y cannot be null");
-        }
-    }
-}
-
-export interface MessageUserPositionInterface {
-    userId: string;
-    name: string;
-    characterLayers: string[];
-    position: PointInterface;
-}
-
-export interface MessageUserMovedInterface {
-    userId: string;
-    position: PointInterface;
-}
-
-export interface MessageUserJoined {
-    userId: string;
-    name: string;
-    characterLayers: string[];
-    position: PointInterface
-}
-
-export interface PositionInterface {
-    x: number,
-    y: number
-}
-
-export interface GroupCreatedUpdatedMessageInterface {
-    position: PositionInterface,
-    groupId: string
-}
-
-export interface WebRtcStartMessageInterface {
-    roomId: string,
-    clients: UserSimplePeerInterface[]
-}
-
-export interface WebRtcDisconnectMessageInterface {
-    userId: string
-}
-
-export interface WebRtcSignalSentMessageInterface {
-    receiverId: string,
-    signal: SignalData
-}
-
-export interface WebRtcSignalReceivedMessageInterface {
-    userId: string,
-    signal: SignalData
-}
-
-export interface StartMapInterface {
-    mapUrlStart: string,
-    startInstance: string
-}
-
-export interface ViewportInterface {
-    left: number,
-    top: number,
-    right: number,
-    bottom: number,
-}
-
-export interface UserMovesInterface {
-    position: PositionInterface,
-    viewport: ViewportInterface,
-}
-
-export interface BatchedMessageInterface {
-    event: string,
-    payload: unknown
-}
-
-export interface ItemEventMessageInterface {
-    itemId: number,
-    event: string,
-    state: unknown,
-    parameters: unknown
-}
-
-export interface RoomJoinedMessageInterface {
-    users: MessageUserPositionInterface[],
-    groups: GroupCreatedUpdatedMessageInterface[],
-    items: { [itemId: number] : unknown }
-}
-
-export interface GlobalMessageInterface {
-    id: number
-    type: string
-    message: string
-}
-
-export class Connection implements Connection {
-    private readonly socket: Socket;
-    private userId: string|null = null;
-
-    private constructor(token: string) {
-
-        this.socket = SocketIo(`${API_URL}`, {
-            query: {
-                token: token
-            },
-            reconnection: false // Reconnection is handled by the application itself
-        });
-
-        this.socket.on(EventMessage.MESSAGE_ERROR, (message: string) => {
-            console.error(EventMessage.MESSAGE_ERROR, message);
-        })
-
-        /**
-         * Messages inside batched messages are extracted and sent to listeners directly.
-         */
-        this.socket.on(EventMessage.BATCH, (batchedMessages: BatchedMessageInterface[]) => {
-            for (const message of batchedMessages) {
-                const listeners = this.socket.listeners(message.event);
-                for (const listener of listeners) {
-                    listener(message.payload);
-                }
-            }
-        })
-    }
-
-    public static createConnection(name: string, characterLayersSelected: string[]): Promise<Connection> {
-        return Axios.post(`${API_URL}/login`, {name: name})
-            .then((res) => {
-
-                return new Promise<Connection>((resolve, reject) => {
-                    const connection = new Connection(res.data.token);
-
-                    connection.onConnectError((error: object) => {
-                        console.log('An error occurred while connecting to socket server. Retrying');
-                        reject(error);
-                    });
-
-                    connection.socket.emit(EventMessage.SET_PLAYER_DETAILS, {
-                        name: name,
-                        characterLayers: characterLayersSelected
-                    } as SetPlayerDetailsMessage, (id: string) => {
-                        connection.userId = id;
-                    });
-
-                    resolve(connection);
-                });
-            })
-            .catch((err) => {
-                // Let's retry in 4-6 seconds
-                return new Promise<Connection>((resolve, reject) => {
-                    setTimeout(() => {
-                        Connection.createConnection(name, characterLayersSelected).then((connection) => resolve(connection))
-                            .catch((error) => reject(error));
-                    }, 4000 + Math.floor(Math.random() * 2000) );
-                });
-            });
-    }
-
-    public uploadAudio(file : FormData){
-        return Axios.post(`${API_URL}/upload-audio-message`, file).then((res: {data:{}}) => {
-            return res.data;
-        }).catch((err) => {
-            console.error(err);
-            throw err;
-        });
-    }
-
-    public closeConnection(): void {
-        this.socket?.close();
-    }
-
-
-    public joinARoom(roomId: string, startX: number, startY: number, direction: string, moving: boolean, viewport: ViewportInterface): Promise<RoomJoinedMessageInterface> {
-        const promise = new Promise<RoomJoinedMessageInterface>((resolve, reject) => {
-            this.socket.emit(EventMessage.JOIN_ROOM, {
-                    roomId,
-                    position: {x: startX, y: startY, direction, moving },
-                    viewport,
-                }, (roomJoinedMessage: RoomJoinedMessageInterface) => {
-                    resolve(roomJoinedMessage);
-                });
-        })
-        return promise;
-    }
-
-    public sharePosition(x : number, y : number, direction : string, moving: boolean, viewport: ViewportInterface) : void{
-        if(!this.socket){
-            return;
-        }
-        const point = new Point(x, y, direction, moving);
-        this.socket.emit(EventMessage.USER_POSITION, { position: point, viewport } as UserMovesInterface);
-    }
-
-    public setSilent(silent: boolean): void {
-        this.socket.emit(EventMessage.SET_SILENT, silent);
-    }
-
-    public setViewport(viewport: ViewportInterface): void {
-        this.socket.emit(EventMessage.SET_VIEWPORT, viewport);
-    }
-
-    public onUserJoins(callback: (message: MessageUserJoined) => void): void {
-        this.socket.on(EventMessage.JOIN_ROOM, callback);
-    }
-
-    public onUserMoved(callback: (message: MessageUserMovedInterface) => void): void {
-        this.socket.on(EventMessage.USER_MOVED, callback);
-    }
-
-    public onUserLeft(callback: (userId: string) => void): void {
-        this.socket.on(EventMessage.USER_LEFT, callback);
-    }
-
-    public onGroupUpdatedOrCreated(callback: (groupCreateUpdateMessage: GroupCreatedUpdatedMessageInterface) => void): void {
-        this.socket.on(EventMessage.GROUP_CREATE_UPDATE, callback);
-    }
-
-    public onGroupDeleted(callback: (groupId: string) => void): void {
-        this.socket.on(EventMessage.GROUP_DELETE, callback)
-    }
-
-    public onConnectError(callback: (error: object) => void): void {
-        this.socket.on(EventMessage.CONNECT_ERROR, callback)
-    }
-
-    public sendWebrtcSignal(signal: unknown, receiverId : string) {
-        return this.socket.emit(EventMessage.WEBRTC_SIGNAL, {
-            receiverId: receiverId,
-            signal: signal
-        } as WebRtcSignalSentMessageInterface);
-    }
-
-    public sendWebrtcScreenSharingSignal(signal: unknown, receiverId : string) {
-        return this.socket.emit(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, {
-            receiverId: receiverId,
-            signal: signal
-        } as WebRtcSignalSentMessageInterface);
-    }
-
-    public receiveWebrtcStart(callback: (message: WebRtcStartMessageInterface) => void) {
-        this.socket.on(EventMessage.WEBRTC_START, callback);
-    }
-
-    public receiveWebrtcSignal(callback: (message: WebRtcSignalReceivedMessageInterface) => void) {
-        return this.socket.on(EventMessage.WEBRTC_SIGNAL, callback);
-    }
-
-    public receiveWebrtcScreenSharingSignal(callback: (message: WebRtcSignalReceivedMessageInterface) => void) {
-        return this.socket.on(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, callback);
-    }
-
-    public onServerDisconnected(callback: (reason: string) => void): void {
-        this.socket.on('disconnect', (reason: string) => {
-            if (reason === 'io client disconnect') {
-                // The client asks for disconnect, let's not trigger any event.
-                return;
-            }
-            callback(reason);
-        });
-
-    }
-
-    public getUserId(): string|null {
-        return this.userId;
-    }
-
-    disconnectMessage(callback: (message: WebRtcDisconnectMessageInterface) => void): void {
-        this.socket.on(EventMessage.WEBRTC_DISCONNECT, callback);
-    }
-
-    emitActionableEvent(itemId: number, event: string, state: unknown, parameters: unknown) {
-        return this.socket.emit(EventMessage.ITEM_EVENT, {
-            itemId,
-            event,
-            state,
-            parameters
-        });
-    }
-
-    onActionableEvent(callback: (message: ItemEventMessageInterface) => void): void {
-        this.socket.on(EventMessage.ITEM_EVENT, callback);
-    }
-
-    public receivePlayGlobalMessage(callback: (message: GlobalMessageInterface) => void) {
-        return this.socket.on(EventMessage.PLAY_GLOBAL_MESSAGE, callback);
-    }
-
-    public receiveStopGlobalMessage(callback: (message: GlobalMessageInterface) => void) {
-        return this.socket.on(EventMessage.STOP_GLOBAL_MESSAGE, callback);
-    }
-
-    public emitGlobalMessage(message: GlobalMessageInterface){
-        return this.socket.emit(EventMessage.PLAY_GLOBAL_MESSAGE, message);
-    }
-}
--- a/front/src/Connexion/ConnectionManager.ts
+++ b/front/src/Connexion/ConnectionManager.ts
@ -0,0 +1,69 @@
+import Axios from "axios";
+import {API_URL} from "../Enum/EnvironmentVariable";
+import {RoomConnection} from "./RoomConnection";
+
+interface LoginApiData {
+    authToken: string
+    userUuid: string
+    mapUrlStart: string
+    newUrl: string
+}
+
+class ConnectionManager {
+    private initPromise: Promise<LoginApiData> = Promise.reject();
+    private mapUrlStart: string|null = null;
+
+    private authToken:string|null = null;
+    private userUuid: string|null = null;
+
+    public async init(): Promise<void> {
+        const match = /\/register\/(.+)/.exec(window.location.toString());
+        const organizationMemberToken = match ? match[1] : null;
+        this.initPromise = Axios.post(`${API_URL}/login`, {organizationMemberToken}).then(res => res.data);
+        const data = await this.initPromise
+        this.authToken = data.authToken;
+        this.userUuid = data.userUuid;
+        this.mapUrlStart = data.mapUrlStart;
+        const newUrl = data.newUrl;
+
+        if (newUrl) {
+            history.pushState({}, '', newUrl);
+        }
+    }
+
+    public initBenchmark(): void {
+        this.authToken = 'test';
+    }
+
+    public connectToRoomSocket(): Promise<RoomConnection> {
+        return new Promise<RoomConnection>((resolve, reject) => {
+            const connection = new RoomConnection(this.authToken as string);
+            connection.onConnectError((error: object) => {
+                console.log('An error occurred while connecting to socket server. Retrying');
+                reject(error);
+            });
+            connection.onConnect(() => {
+                resolve(connection);
+            })
+        }).catch((err) => {
+            // Let's retry in 4-6 seconds
+            return new Promise<RoomConnection>((resolve, reject) => {
+                setTimeout(() => {
+                    //todo: allow a way to break recurrsion?
+                    this.connectToRoomSocket().then((connection) => resolve(connection));
+                }, 4000 + Math.floor(Math.random() * 2000) );
+            });
+        });
+    }
+
+    public getMapUrlStart(): Promise<string> {
+        return this.initPromise.then(() => {
+            if (!this.mapUrlStart) {
+                throw new Error('No map url set!');
+            }
+            return this.mapUrlStart;
+        })
+    }
+}
+
+export const connectionManager = new ConnectionManager();
--- a/front/src/Connexion/ConnexionModels.ts
+++ b/front/src/Connexion/ConnexionModels.ts
@ -0,0 +1,126 @@
+import {PlayerAnimationNames} from "../Phaser/Player/Animation";
+import {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
+import {SignalData} from "simple-peer";
+
+export enum EventMessage{
+    WEBRTC_SIGNAL = "webrtc-signal",
+    WEBRTC_SCREEN_SHARING_SIGNAL = "webrtc-screen-sharing-signal",
+    WEBRTC_START = "webrtc-start",
+    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
+    MESSAGE_ERROR = "message-error",
+    WEBRTC_DISCONNECT = "webrtc-disconect",
+    GROUP_CREATE_UPDATE = "group-create-update",
+    GROUP_DELETE = "group-delete",
+    SET_PLAYER_DETAILS = "set-player-details", // Send the name and character to the server (on connect), receive back the id.
+    ITEM_EVENT = 'item-event',
+
+    CONNECT_ERROR = "connect_error",
+    SET_SILENT = "set_silent", // Set or unset the silent mode for this user.
+    SET_VIEWPORT = "set-viewport",
+    BATCH = "batch",
+
+    PLAY_GLOBAL_MESSAGE = "play-global-message",
+    STOP_GLOBAL_MESSAGE = "stop-global-message",
+}
+
+export interface PointInterface {
+    x: number;
+    y: number;
+    direction : string;
+    moving: boolean;
+}
+
+export class Point implements PointInterface{
+    constructor(public x : number, public y : number, public direction : string = PlayerAnimationNames.WalkDown, public moving : boolean = false) {
+        if(x  === null || y === null){
+            throw Error("position x and y cannot be null");
+        }
+    }
+}
+
+export interface MessageUserPositionInterface {
+    userId: number;
+    name: string;
+    characterLayers: string[];
+    position: PointInterface;
+}
+
+export interface MessageUserMovedInterface {
+    userId: number;
+    position: PointInterface;
+}
+
+export interface MessageUserJoined {
+    userId: number;
+    name: string;
+    characterLayers: string[];
+    position: PointInterface
+}
+
+export interface PositionInterface {
+    x: number,
+    y: number
+}
+
+export interface GroupCreatedUpdatedMessageInterface {
+    position: PositionInterface,
+    groupId: number
+}
+
+export interface WebRtcStartMessageInterface {
+    roomId: string,
+    clients: UserSimplePeerInterface[]
+}
+
+export interface WebRtcDisconnectMessageInterface {
+    userId: number
+}
+
+export interface WebRtcSignalSentMessageInterface {
+    receiverId: number,
+    signal: SignalData
+}
+
+export interface WebRtcSignalReceivedMessageInterface {
+    userId: number,
+    signal: SignalData
+}
+
+export interface StartMapInterface {
+    mapUrlStart: string,
+    startInstance: string
+}
+
+export interface ViewportInterface {
+    left: number,
+    top: number,
+    right: number,
+    bottom: number,
+}
+
+export interface BatchedMessageInterface {
+    event: string,
+    payload: unknown
+}
+
+export interface ItemEventMessageInterface {
+    itemId: number,
+    event: string,
+    state: unknown,
+    parameters: unknown
+}
+
+export interface RoomJoinedMessageInterface {
+    users: MessageUserPositionInterface[],
+    groups: GroupCreatedUpdatedMessageInterface[],
+    items: { [itemId: number] : unknown }
+}
+
+export interface PlayGlobalMessageInterface {
+    id: string
+    type: string
+    message: string
+}
--- a/front/src/Connexion/RoomConnection.ts
+++ b/front/src/Connexion/RoomConnection.ts
@ -0,0 +1,476 @@
+import {API_URL} from "../Enum/EnvironmentVariable";
+import Axios from "axios";
+import {
+    BatchMessage,
+    ClientToServerMessage,
+    GroupDeleteMessage,
+    GroupUpdateMessage,
+    ItemEventMessage,
+    JoinRoomMessage, PlayGlobalMessage,
+    PositionMessage,
+    RoomJoinedMessage,
+    ServerToClientMessage,
+    SetPlayerDetailsMessage,
+    SetUserIdMessage,
+    SilentMessage, StopGlobalMessage,
+    UserJoinedMessage,
+    UserLeftMessage,
+    UserMovedMessage,
+    UserMovesMessage,
+    ViewportMessage,
+    WebRtcDisconnectMessage,
+    WebRtcSignalToClientMessage,
+    WebRtcSignalToServerMessage,
+    WebRtcStartMessage
+} from "../Messages/generated/messages_pb"
+
+import {UserSimplePeerInterface} from "../WebRtc/SimplePeer";
+import Direction = PositionMessage.Direction;
+import {ProtobufClientUtils} from "../Network/ProtobufClientUtils";
+import {
+    EventMessage,
+    GroupCreatedUpdatedMessageInterface, ItemEventMessageInterface,
+    MessageUserJoined, PlayGlobalMessageInterface,
+    RoomJoinedMessageInterface,
+    ViewportInterface, WebRtcDisconnectMessageInterface,
+    WebRtcSignalReceivedMessageInterface,
+    WebRtcSignalSentMessageInterface,
+    WebRtcStartMessageInterface
+} from "./ConnexionModels";
+
+export class RoomConnection implements RoomConnection {
+    private readonly socket: WebSocket;
+    private userId: number|null = null;
+    private listeners: Map<string, Function[]> = new Map<string, Function[]>();
+    private static websocketFactory: null|((url: string)=>any) = null; // eslint-disable-line @typescript-eslint/no-explicit-any
+
+    public static setWebsocketFactory(websocketFactory: (url: string)=>any): void { // eslint-disable-line @typescript-eslint/no-explicit-any
+        RoomConnection.websocketFactory = websocketFactory;
+    }
+
+    public constructor(token: string) {
+        let url = API_URL.replace('http://', 'ws://').replace('https://', 'wss://');
+        url += '?token='+token;
+
+        if (RoomConnection.websocketFactory) {
+            this.socket = RoomConnection.websocketFactory(url);
+        } else {
+            this.socket = new WebSocket(url);
+        }
+
+        this.socket.binaryType = 'arraybuffer';
+
+        this.socket.onopen = (ev) => {
+            //console.log('WS connected');
+        };
+
+        this.socket.onmessage = (messageEvent) => {
+            const arrayBuffer: ArrayBuffer = messageEvent.data;
+            const message = ServerToClientMessage.deserializeBinary(new Uint8Array(arrayBuffer));
+
+            if (message.hasBatchmessage()) {
+                for (const subMessage of (message.getBatchmessage() as BatchMessage).getPayloadList()) {
+                    let event: string;
+                    let payload;
+                    if (subMessage.hasUsermovedmessage()) {
+                        event = EventMessage.USER_MOVED;
+                        payload = subMessage.getUsermovedmessage();
+                    } else if (subMessage.hasGroupupdatemessage()) {
+                        event = EventMessage.GROUP_CREATE_UPDATE;
+                        payload = subMessage.getGroupupdatemessage();
+                    } else if (subMessage.hasGroupdeletemessage()) {
+                        event = EventMessage.GROUP_DELETE;
+                        payload = subMessage.getGroupdeletemessage();
+                    } else if (subMessage.hasUserjoinedmessage()) {
+                        event = EventMessage.JOIN_ROOM;
+                        payload = subMessage.getUserjoinedmessage();
+                    } else if (subMessage.hasUserleftmessage()) {
+                        event = EventMessage.USER_LEFT;
+                        payload = subMessage.getUserleftmessage();
+                    } else if (subMessage.hasItemeventmessage()) {
+                        event = EventMessage.ITEM_EVENT;
+                        payload = subMessage.getItemeventmessage();
+                    } else {
+                        throw new Error('Unexpected batch message type');
+                    }
+
+                    this.dispatch(event, payload);
+                }
+            } else if (message.hasRoomjoinedmessage()) {
+                const roomJoinedMessage = message.getRoomjoinedmessage() as RoomJoinedMessage;
+
+                const users: Array<MessageUserJoined> = roomJoinedMessage.getUserList().map(this.toMessageUserJoined.bind(this));
+                const groups: Array<GroupCreatedUpdatedMessageInterface> = roomJoinedMessage.getGroupList().map(this.toGroupCreatedUpdatedMessage.bind(this));
+                const items: { [itemId: number] : unknown } = {};
+                for (const item of roomJoinedMessage.getItemList()) {
+                    items[item.getItemid()] = JSON.parse(item.getStatejson());
+                }
+
+                this.resolveJoinRoom({
+                    users,
+                    groups,
+                    items
+                })
+            } else if (message.hasSetuseridmessage()) {
+                this.userId = (message.getSetuseridmessage() as SetUserIdMessage).getUserid();
+            } else if (message.hasErrormessage()) {
+                console.error(EventMessage.MESSAGE_ERROR, message.getErrormessage()?.getMessage());
+            } else if (message.hasWebrtcsignaltoclientmessage()) {
+                this.dispatch(EventMessage.WEBRTC_SIGNAL, message.getWebrtcsignaltoclientmessage());
+            } else if (message.hasWebrtcscreensharingsignaltoclientmessage()) {
+                this.dispatch(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, message.getWebrtcscreensharingsignaltoclientmessage());
+            } else if (message.hasWebrtcstartmessage()) {
+                this.dispatch(EventMessage.WEBRTC_START, message.getWebrtcstartmessage());
+            } else if (message.hasWebrtcdisconnectmessage()) {
+                this.dispatch(EventMessage.WEBRTC_DISCONNECT, message.getWebrtcdisconnectmessage());
+            } else if (message.hasPlayglobalmessage()) {
+                this.dispatch(EventMessage.PLAY_GLOBAL_MESSAGE, message.getPlayglobalmessage());
+            } else if (message.hasStopglobalmessage()) {
+                this.dispatch(EventMessage.STOP_GLOBAL_MESSAGE, message.getStopglobalmessage());
+            } else {
+                throw new Error('Unknown message received');
+            }
+
+        }
+    }
+
+    private dispatch(event: string, payload: unknown): void {
+        const listeners = this.listeners.get(event);
+        if (listeners === undefined) {
+            return;
+        }
+        for (const listener of listeners) {
+            listener(payload);
+        }
+    }
+
+    public emitPlayerDetailsMessage(userName: string, characterLayersSelected: string[]) {
+        const message = new SetPlayerDetailsMessage();
+        message.setName(userName);
+        message.setCharacterlayersList(characterLayersSelected);
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setSetplayerdetailsmessage(message);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public closeConnection(): void {
+        this.socket?.close();
+    }
+
+    private resolveJoinRoom!: (value?: (RoomJoinedMessageInterface | PromiseLike<RoomJoinedMessageInterface> | undefined)) => void;
+
+    public joinARoom(roomId: string, startX: number, startY: number, direction: string, moving: boolean, viewport: ViewportInterface): Promise<RoomJoinedMessageInterface> {
+        const promise = new Promise<RoomJoinedMessageInterface>((resolve, reject) => {
+            this.resolveJoinRoom = resolve;
+
+            const positionMessage = this.toPositionMessage(startX, startY, direction, moving);
+            const viewportMessage = this.toViewportMessage(viewport);
+
+            const joinRoomMessage = new JoinRoomMessage();
+            joinRoomMessage.setRoomid(roomId);
+            joinRoomMessage.setPosition(positionMessage);
+            joinRoomMessage.setViewport(viewportMessage);
+
+            //console.log('Sending position ', positionMessage.getX(), positionMessage.getY());
+            const clientToServerMessage = new ClientToServerMessage();
+            clientToServerMessage.setJoinroommessage(joinRoomMessage);
+
+            this.socket.send(clientToServerMessage.serializeBinary().buffer);
+        })
+        return promise;
+    }
+
+    private toPositionMessage(x : number, y : number, direction : string, moving: boolean): PositionMessage {
+        const positionMessage = new PositionMessage();
+        positionMessage.setX(Math.floor(x));
+        positionMessage.setY(Math.floor(y));
+        let directionEnum: PositionMessage.DirectionMap[keyof PositionMessage.DirectionMap];
+        switch (direction) {
+            case 'up':
+                directionEnum = Direction.UP;
+                break;
+            case 'down':
+                directionEnum = Direction.DOWN;
+                break;
+            case 'left':
+                directionEnum = Direction.LEFT;
+                break;
+            case 'right':
+                directionEnum = Direction.RIGHT;
+                break;
+            default:
+                throw new Error("Unexpected direction");
+        }
+        positionMessage.setDirection(directionEnum);
+        positionMessage.setMoving(moving);
+
+        return positionMessage;
+    }
+
+    private toViewportMessage(viewport: ViewportInterface): ViewportMessage {
+        const viewportMessage = new ViewportMessage();
+        viewportMessage.setLeft(Math.floor(viewport.left));
+        viewportMessage.setRight(Math.floor(viewport.right));
+        viewportMessage.setTop(Math.floor(viewport.top));
+        viewportMessage.setBottom(Math.floor(viewport.bottom));
+
+        return viewportMessage;
+    }
+
+    public sharePosition(x : number, y : number, direction : string, moving: boolean, viewport: ViewportInterface) : void{
+        if(!this.socket){
+            return;
+        }
+
+        const positionMessage = this.toPositionMessage(x, y, direction, moving);
+
+        const viewportMessage = this.toViewportMessage(viewport);
+
+        const userMovesMessage = new UserMovesMessage();
+        userMovesMessage.setPosition(positionMessage);
+        userMovesMessage.setViewport(viewportMessage);
+
+        //console.log('Sending position ', positionMessage.getX(), positionMessage.getY());
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setUsermovesmessage(userMovesMessage);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public setSilent(silent: boolean): void {
+        const silentMessage = new SilentMessage();
+        silentMessage.setSilent(silent);
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setSilentmessage(silentMessage);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public setViewport(viewport: ViewportInterface): void {
+        const viewportMessage = new ViewportMessage();
+        viewportMessage.setTop(Math.round(viewport.top));
+        viewportMessage.setBottom(Math.round(viewport.bottom));
+        viewportMessage.setLeft(Math.round(viewport.left));
+        viewportMessage.setRight(Math.round(viewport.right));
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setViewportmessage(viewportMessage);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public onUserJoins(callback: (message: MessageUserJoined) => void): void {
+        this.onMessage(EventMessage.JOIN_ROOM, (message: UserJoinedMessage) => {
+            callback(this.toMessageUserJoined(message));
+        });
+    }
+
+    // TODO: move this to protobuf utils
+    private toMessageUserJoined(message: UserJoinedMessage): MessageUserJoined {
+        const position = message.getPosition();
+        if (position === undefined) {
+            throw new Error('Invalid JOIN_ROOM message');
+        }
+        return {
+            userId: message.getUserid(),
+            name: message.getName(),
+            characterLayers: message.getCharacterlayersList(),
+            position: ProtobufClientUtils.toPointInterface(position)
+        }
+    }
+
+    public onUserMoved(callback: (message: UserMovedMessage) => void): void {
+        this.onMessage(EventMessage.USER_MOVED, callback);
+        //this.socket.on(EventMessage.USER_MOVED, callback);
+    }
+
+    /**
+     * Registers a listener on a message that is part of a batch
+     */
+    private onMessage(eventName: string, callback: Function): void {
+        let callbacks = this.listeners.get(eventName);
+        if (callbacks === undefined) {
+            callbacks = new Array<Function>();
+            this.listeners.set(eventName, callbacks);
+        }
+        callbacks.push(callback);
+    }
+
+    public onUserLeft(callback: (userId: number) => void): void {
+        this.onMessage(EventMessage.USER_LEFT, (message: UserLeftMessage) => {
+            callback(message.getUserid());
+        });
+    }
+
+    public onGroupUpdatedOrCreated(callback: (groupCreateUpdateMessage: GroupCreatedUpdatedMessageInterface) => void): void {
+        this.onMessage(EventMessage.GROUP_CREATE_UPDATE, (message: GroupUpdateMessage) => {
+            callback(this.toGroupCreatedUpdatedMessage(message));
+        });
+    }
+
+    private toGroupCreatedUpdatedMessage(message: GroupUpdateMessage): GroupCreatedUpdatedMessageInterface {
+        const position = message.getPosition();
+        if (position === undefined) {
+            throw new Error('Missing position in GROUP_CREATE_UPDATE');
+        }
+
+        return {
+            groupId: message.getGroupid(),
+            position: position.toObject()
+        }
+    }
+
+    public onGroupDeleted(callback: (groupId: number) => void): void {
+        this.onMessage(EventMessage.GROUP_DELETE, (message: GroupDeleteMessage) => {
+            callback(message.getGroupid());
+        });
+    }
+
+    public onConnectError(callback: (error: Event) => void): void {
+        this.socket.addEventListener('error', callback)
+    }
+
+    public onConnect(callback: (event: Event) => void): void {
+        this.socket.addEventListener('open', callback)
+    }
+
+    public sendWebrtcSignal(signal: unknown, receiverId: number) {
+        const webRtcSignal = new WebRtcSignalToServerMessage();
+        webRtcSignal.setReceiverid(receiverId);
+        webRtcSignal.setSignal(JSON.stringify(signal));
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setWebrtcsignaltoservermessage(webRtcSignal);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public sendWebrtcScreenSharingSignal(signal: unknown, receiverId: number) {
+        const webRtcSignal = new WebRtcSignalToServerMessage();
+        webRtcSignal.setReceiverid(receiverId);
+        webRtcSignal.setSignal(JSON.stringify(signal));
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setWebrtcscreensharingsignaltoservermessage(webRtcSignal);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    public receiveWebrtcStart(callback: (message: UserSimplePeerInterface) => void) {
+        this.onMessage(EventMessage.WEBRTC_START, (message: WebRtcStartMessage) => {
+            callback({
+                userId: message.getUserid(),
+                name: message.getName(),
+                initiator: message.getInitiator()
+            });
+        });
+    }
+
+    public receiveWebrtcSignal(callback: (message: WebRtcSignalReceivedMessageInterface) => void) {
+        this.onMessage(EventMessage.WEBRTC_SIGNAL, (message: WebRtcSignalToClientMessage) => {
+            callback({
+                userId: message.getUserid(),
+                signal: JSON.parse(message.getSignal())
+            });
+        });
+    }
+
+    public receiveWebrtcScreenSharingSignal(callback: (message: WebRtcSignalReceivedMessageInterface) => void) {
+        this.onMessage(EventMessage.WEBRTC_SCREEN_SHARING_SIGNAL, (message: WebRtcSignalToClientMessage) => {
+            callback({
+                userId: message.getUserid(),
+                signal: JSON.parse(message.getSignal())
+            });
+        });
+    }
+
+    public onServerDisconnected(callback: (event: CloseEvent) => void): void {
+        this.socket.addEventListener('close', (event) => {
+            console.log('Socket closed with code '+event.code+". Reason: "+event.reason);
+            if (event.code === 1000) {
+                // Normal closure case
+                return;
+            }
+            callback(event);
+        });
+
+    }
+
+    public getUserId(): number|null {
+        return this.userId;
+    }
+
+    disconnectMessage(callback: (message: WebRtcDisconnectMessageInterface) => void): void {
+        this.onMessage(EventMessage.WEBRTC_DISCONNECT, (message: WebRtcDisconnectMessage) => {
+            callback({
+                userId: message.getUserid()
+            });
+        });
+    }
+
+    emitActionableEvent(itemId: number, event: string, state: unknown, parameters: unknown): void {
+        const itemEventMessage = new ItemEventMessage();
+        itemEventMessage.setItemid(itemId);
+        itemEventMessage.setEvent(event);
+        itemEventMessage.setStatejson(JSON.stringify(state));
+        itemEventMessage.setParametersjson(JSON.stringify(parameters));
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setItemeventmessage(itemEventMessage);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+
+    onActionableEvent(callback: (message: ItemEventMessageInterface) => void): void {
+        this.onMessage(EventMessage.ITEM_EVENT, (message: ItemEventMessage) => {
+            callback({
+                itemId: message.getItemid(),
+                event: message.getEvent(),
+                parameters: JSON.parse(message.getParametersjson()),
+                state: JSON.parse(message.getStatejson())
+            });
+        });
+    }
+
+    public uploadAudio(file : FormData){
+        return Axios.post(`${API_URL}/upload-audio-message`, file).then((res: {data:{}}) => {
+            return res.data;
+        }).catch((err) => {
+            console.error(err);
+            throw err;
+        });
+    }
+
+
+    public receivePlayGlobalMessage(callback: (message: PlayGlobalMessageInterface) => void) {
+        return this.onMessage(EventMessage.PLAY_GLOBAL_MESSAGE, (message: PlayGlobalMessage) => {
+            callback({
+                id: message.getId(),
+                type: message.getType(),
+                message: message.getMessage(),
+            });
+        });
+    }
+
+    public receiveStopGlobalMessage(callback: (messageId: string) => void) {
+        return this.onMessage(EventMessage.STOP_GLOBAL_MESSAGE, (message: StopGlobalMessage) => {
+            callback(message.getId());
+        });
+    }
+
+    public emitGlobalMessage(message: PlayGlobalMessageInterface){
+        console.log('emitGlobalMessage', message);
+        const playGlobalMessage = new PlayGlobalMessage();
+        playGlobalMessage.setId(message.id);
+        playGlobalMessage.setType(message.type);
+        playGlobalMessage.setMessage(message.message);
+
+        const clientToServerMessage = new ClientToServerMessage();
+        clientToServerMessage.setPlayglobalmessage(playGlobalMessage);
+
+        this.socket.send(clientToServerMessage.serializeBinary().buffer);
+    }
+}
--- a/front/src/Enum/EnvironmentVariable.ts
+++ b/front/src/Enum/EnvironmentVariable.ts
@ -7,7 +7,7 @@ const JITSI_URL : string|undefined = (process.env.JITSI_URL === '') ? undefined
 const RESOLUTION = 3;
 const ZOOM_LEVEL = 1/*3/4*/;
 const POSITION_DELAY = 200; // Wait 200ms between sending position events
-const MAX_EXTRAPOLATION_TIME = 250; // Extrapolate a maximum of 250ms if no new movement is sent by the player
+const MAX_EXTRAPOLATION_TIME = 100; // Extrapolate a maximum of 250ms if no new movement is sent by the player

 export {
    DEBUG_MODE,
--- a/front/src/Messages/.gitignore
+++ b/front/src/Messages/.gitignore
@ -0,0 +1 @@
+/generated/
--- a/front/src/Messages/SetPlayerDetailsMessage.ts
+++ b/front/src/Messages/SetPlayerDetailsMessage.ts
@ -1,4 +0,0 @@
-export interface SetPlayerDetailsMessage {
-    name: string,
-    characterLayers: string[]
-}
--- a/front/src/Network/ProtobufClientUtils.ts
+++ b/front/src/Network/ProtobufClientUtils.ts
@ -0,0 +1,34 @@
+import {PositionMessage} from "../Messages/generated/messages_pb";
+import Direction = PositionMessage.Direction;
+import {PointInterface} from "../Connexion/ConnexionModels";
+
+export class ProtobufClientUtils {
+
+    public static toPointInterface(position: PositionMessage): PointInterface {
+        let direction: string;
+        switch (position.getDirection()) {
+            case Direction.UP:
+                direction = 'up';
+                break;
+            case Direction.DOWN:
+                direction = 'down';
+                break;
+            case Direction.LEFT:
+                direction = 'left';
+                break;
+            case Direction.RIGHT:
+                direction = 'right';
+                break;
+            default:
+                throw new Error("Unexpected direction");
+        }
+
+        // sending to all clients in room except sender
+        return {
+            x: position.getX(),
+            y: position.getY(),
+            direction,
+            moving: position.getMoving(),
+        };
+    }
+}
--- a/front/src/Phaser/Entity/RemotePlayer.ts
+++ b/front/src/Phaser/Entity/RemotePlayer.ts
@ -1,15 +1,15 @@
 import {GameScene} from "../Game/GameScene";
-import {PointInterface} from "../../Connection";
+import {PointInterface} from "../../Connexion/ConnexionModels";
 import {Character} from "../Entity/Character";

 /**
 * Class representing the sprite of a remote player (a player that plays on another computer)
 */
 export class RemotePlayer extends Character {
-    userId: string;
+    userId: number;

    constructor(
-        userId: string,
+        userId: number,
        Scene: GameScene,
        x: number,
        y: number,
--- a/front/src/Phaser/Game/AddPlayerInterface.ts
+++ b/front/src/Phaser/Game/AddPlayerInterface.ts
@ -1,7 +1,7 @@
-import {PointInterface} from "../../Connection";
+import {PointInterface} from "../../Connexion/ConnexionModels";

 export interface AddPlayerInterface {
-    userId: string;
+    userId: number;
    name: string;
    characterLayers: string[];
    position: PointInterface;
--- a/front/src/Phaser/Game/GameManager.ts
+++ b/front/src/Phaser/Game/GameManager.ts
@ -1,9 +1,10 @@
 import {GameScene} from "./GameScene";
 import {
    StartMapInterface
-} from "../../Connection";
+} from "../../Connexion/ConnexionModels";
 import Axios from "axios";
 import {API_URL} from "../../Enum/EnvironmentVariable";
+import {connectionManager} from "../../Connexion/ConnectionManager";

 export interface HasMovedEvent {
    direction: string;
@ -29,12 +30,11 @@ export class GameManager {
    }

    loadStartMap() : Promise<StartMapInterface> {
-        return Axios.get(`${API_URL}/start-map`)
-            .then((res) => {
-                return res.data;
-            }).catch((err) => {
-                console.error(err);
-                throw err;
+        return connectionManager.getMapUrlStart().then(mapUrlStart => {
+            return {
+                mapUrlStart: mapUrlStart,
+                startInstance: "global", //todo: is this property still usefull?
+            }
        });
    }

--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@ -1,6 +1,5 @@
 import {GameManager, gameManager, HasMovedEvent} from "./GameManager";
 import {
-    Connection,
    GroupCreatedUpdatedMessageInterface,
    MessageUserJoined,
    MessageUserMovedInterface,
@ -8,7 +7,7 @@ import {
    PointInterface,
    PositionInterface,
    RoomJoinedMessageInterface
-} from "../../Connection";
+} from "../../Connexion/ConnexionModels";
 import {CurrentGamerInterface, hasMovedEventName, Player} from "../Player/Player";
 import {DEBUG_MODE, JITSI_URL, POSITION_DELAY, RESOLUTION, ZOOM_LEVEL} from "../../Enum/EnvironmentVariable";
 import {
@ -40,6 +39,10 @@ import {FourOFourSceneName} from "../Reconnecting/FourOFourScene";
 import {ItemFactoryInterface} from "../Items/ItemFactoryInterface";
 import {ActionableItem} from "../Items/ActionableItem";
 import {UserInputManager} from "../UserInput/UserInputManager";
+import {UserMovedMessage} from "../../Messages/generated/messages_pb";
+import {ProtobufClientUtils} from "../../Network/ProtobufClientUtils";
+import {connectionManager} from "../../Connexion/ConnectionManager";
+import {RoomConnection} from "../../Connexion/RoomConnection";
 import {GlobalMessageManager} from "../../Administration/GlobalMessageManager";
 import {ConsoleGlobalMessageManager} from "../../Administration/ConsoleGlobalMessageManager";

@ -65,7 +68,7 @@ interface AddPlayerEventInterface {

 interface RemovePlayerEventInterface {
    type: 'RemovePlayerEvent'
-    userId: string
+    userId: number
 }

 interface UserMovedEventInterface {
@ -80,7 +83,7 @@ interface GroupCreatedUpdatedEventInterface {

 interface DeleteGroupEventInterface {
    type: 'DeleteGroupEvent'
-    groupId: string
+    groupId: number
 }

 export class GameScene extends Phaser.Scene implements CenterListener {
@ -88,23 +91,23 @@ export class GameScene extends Phaser.Scene implements CenterListener {
    Terrains : Array<Phaser.Tilemaps.Tileset>;
    CurrentPlayer!: CurrentGamerInterface;
    MapPlayers!: Phaser.Physics.Arcade.Group;
-    MapPlayersByKey : Map<string, RemotePlayer> = new Map<string, RemotePlayer>();
+    MapPlayersByKey : Map<number, RemotePlayer> = new Map<number, RemotePlayer>();
    Map!: Phaser.Tilemaps.Tilemap;
    Layers!: Array<Phaser.Tilemaps.StaticTilemapLayer>;
    Objects!: Array<Phaser.Physics.Arcade.Sprite>;
    mapFile!: ITiledMap;
-    groups: Map<string, Sprite>;
+    groups: Map<number, Sprite>;
    startX!: number;
    startY!: number;
    circleTexture!: CanvasTexture;
    pendingEvents: Queue<InitUserPositionEventInterface|AddPlayerEventInterface|RemovePlayerEventInterface|UserMovedEventInterface|GroupCreatedUpdatedEventInterface|DeleteGroupEventInterface> = new Queue<InitUserPositionEventInterface|AddPlayerEventInterface|RemovePlayerEventInterface|UserMovedEventInterface|GroupCreatedUpdatedEventInterface|DeleteGroupEventInterface>();
    private initPosition: PositionInterface|null = null;
    private playersPositionInterpolator = new PlayersPositionInterpolator();
-    private connection!: Connection;
+    private connection!: RoomConnection;
    private simplePeer!: SimplePeer;
    private GlobalMessageManager!: GlobalMessageManager;
    private ConsoleGlobalMessageManager!: ConsoleGlobalMessageManager;
-    private connectionPromise!: Promise<Connection>
+    private connectionPromise!: Promise<RoomConnection>
    private connectionAnswerPromise: Promise<RoomJoinedMessageInterface>;
    private connectionAnswerPromiseResolve!: (value?: RoomJoinedMessageInterface | PromiseLike<RoomJoinedMessageInterface>) => void;
    // A promise that will resolve when the "create" method is called (signaling loading is ended)
@ -151,7 +154,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {

        this.GameManager = gameManager;
        this.Terrains = [];
-        this.groups = new Map<string, Sprite>();
+        this.groups = new Map<number, Sprite>();
        this.instance = instance;

        this.MapKey = MapKey;
@ -204,9 +207,11 @@ export class GameScene extends Phaser.Scene implements CenterListener {

        this.load.bitmapFont('main_font', 'resources/fonts/arcade.png', 'resources/fonts/arcade.xml');

-        this.connectionPromise = Connection.createConnection(gameManager.getPlayerName(), gameManager.getCharacterSelected()).then((connection : Connection) => {
+        this.connectionPromise = connectionManager.connectToRoomSocket().then((connection : RoomConnection) => {
            this.connection = connection;

+            this.connection.emitPlayerDetailsMessage(gameManager.getPlayerName(), gameManager.getCharacterSelected())
+
            connection.onUserJoins((message: MessageUserJoined) => {
                const userMessage: AddPlayerInterface = {
                    userId: message.userId,
@ -217,11 +222,22 @@ export class GameScene extends Phaser.Scene implements CenterListener {
                this.addPlayer(userMessage);
            });

-            connection.onUserMoved((message: MessageUserMovedInterface) => {
-                this.updatePlayerPosition(message);
+            connection.onUserMoved((message: UserMovedMessage) => {
+                const position = message.getPosition();
+                if (position === undefined) {
+                    throw new Error('Position missing from UserMovedMessage');
+                }
+                //console.log('Received position ', position.getX(), position.getY(), "from user", message.getUserid());
+
+                const messageUserMoved: MessageUserMovedInterface = {
+                    userId: message.getUserid(),
+                    position: ProtobufClientUtils.toPointInterface(position)
+                }
+
+                this.updatePlayerPosition(messageUserMoved);
            });

-            connection.onUserLeft((userId: string) => {
+            connection.onUserLeft((userId: number) => {
                this.removePlayer(userId);
            });

@ -229,7 +245,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {
                this.shareGroupPosition(groupPositionMessage);
            })

-            connection.onGroupDeleted((groupId: string) => {
+            connection.onGroupDeleted((groupId: number) => {
                try {
                    this.deleteGroup(groupId);
                } catch (e) {
@ -277,7 +293,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {
                    self.presentationModeSprite.setVisible(true);
                    self.chatModeSprite.setVisible(true);
                },
-                onDisconnect(userId: string) {
+                onDisconnect(userId: number) {
                    if (self.simplePeer.getNbConnections() === 0) {
                        self.presentationModeSprite.setVisible(false);
                        self.chatModeSprite.setVisible(false);
@ -773,7 +789,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {
        this.createCollisionObject();

        //join room
-        this.connectionPromise.then((connection: Connection) => {
+        this.connectionPromise.then((connection: RoomConnection) => {
            const camera = this.cameras.main;
            connection.joinARoom(this.RoomId,
                this.startX,
@ -926,7 +942,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {

        // Let's move all users
        const updatedPlayersPositions = this.playersPositionInterpolator.getUpdatedPositions(time);
-        updatedPlayersPositions.forEach((moveEvent: HasMovedEvent, userId: string) => {
+        updatedPlayersPositions.forEach((moveEvent: HasMovedEvent, userId: number) => {
            const player : RemotePlayer | undefined = this.MapPlayersByKey.get(userId);
            if (player === undefined) {
                throw new Error('Cannot find player with ID "' + userId +'"');
@ -981,7 +997,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {
            player.destroy();
            this.MapPlayers.remove(player);
        });
-        this.MapPlayersByKey = new Map<string, RemotePlayer>();
+        this.MapPlayersByKey = new Map<number, RemotePlayer>();

        // load map
        usersPosition.forEach((userPosition : MessageUserPositionInterface) => {
@ -1038,14 +1054,14 @@ export class GameScene extends Phaser.Scene implements CenterListener {
    /**
     * Called by the connexion when a player is removed from the map
     */
-    public removePlayer(userId: string) {
+    public removePlayer(userId: number) {
        this.pendingEvents.enqueue({
            type: "RemovePlayerEvent",
            userId
        });
    }

-    private doRemovePlayer(userId: string) {
+    private doRemovePlayer(userId: number) {
        const player = this.MapPlayersByKey.get(userId);
        if (player === undefined) {
            console.error('Cannot find user with id ', userId);
@ -1075,6 +1091,7 @@ export class GameScene extends Phaser.Scene implements CenterListener {
        // We do not update the player position directly (because it is sent only every 200ms).
        // Instead we use the PlayersPositionInterpolator that will do a smooth animation over the next 200ms.
        const playerMovement = new PlayerMovement({ x: player.x, y: player.y }, this.currentTick, message.position, this.currentTick + POSITION_DELAY);
+        //console.log('Target position: ', player.x, player.y);
        this.playersPositionInterpolator.updatePlayerPosition(player.userId, playerMovement);
    }

@ -1104,14 +1121,14 @@ export class GameScene extends Phaser.Scene implements CenterListener {
        }
    }

-    deleteGroup(groupId: string): void {
+    deleteGroup(groupId: number): void {
        this.pendingEvents.enqueue({
            type: "DeleteGroupEvent",
            groupId
        });
    }

-    doDeleteGroup(groupId: string): void {
+    doDeleteGroup(groupId: number): void {
        const group = this.groups.get(groupId);
        if(!group){
            return;
--- a/front/src/Phaser/Game/PlayerMovement.ts
+++ b/front/src/Phaser/Game/PlayerMovement.ts
@ -1,6 +1,6 @@
 import {HasMovedEvent} from "./GameManager";
 import {MAX_EXTRAPOLATION_TIME} from "../../Enum/EnvironmentVariable";
-import {PositionInterface} from "../../Connection";
+import {PositionInterface} from "../../Connexion/ConnexionModels";

 export class PlayerMovement {
    public constructor(private startPosition: PositionInterface, private startTick: number, private endPosition: HasMovedEvent, private endTick: number) {
@ -20,12 +20,13 @@ export class PlayerMovement {
    public getPosition(tick: number): HasMovedEvent {
        // Special case: end position reached and end position is not moving
        if (tick >= this.endTick && this.endPosition.moving === false) {
+            //console.log('Movement finished ', this.endPosition)
            return this.endPosition;
        }

        const x = (this.endPosition.x - this.startPosition.x) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.x;
        const y = (this.endPosition.y - this.startPosition.y) * ((tick - this.startTick) / (this.endTick - this.startTick)) + this.startPosition.y;
-
+        //console.log('Computed position ', x, y)
        return {
            x,
            y,
--- a/front/src/Phaser/Game/PlayersPositionInterpolator.ts
+++ b/front/src/Phaser/Game/PlayersPositionInterpolator.ts
@ -6,19 +6,19 @@ import {PlayerMovement} from "./PlayerMovement";
 import {HasMovedEvent} from "./GameManager";

 export class PlayersPositionInterpolator {
-    playerMovements: Map<string, PlayerMovement> = new Map<string, PlayerMovement>();
+    playerMovements: Map<number, PlayerMovement> = new Map<number, PlayerMovement>();

-    updatePlayerPosition(userId: string, playerMovement: PlayerMovement) : void {
+    updatePlayerPosition(userId: number, playerMovement: PlayerMovement) : void {
        this.playerMovements.set(userId, playerMovement);
    }

-    removePlayer(userId: string): void {
+    removePlayer(userId: number): void {
        this.playerMovements.delete(userId);
    }

-    getUpdatedPositions(tick: number) : Map<string, HasMovedEvent> {
-        const positions = new Map<string, HasMovedEvent>();
-        this.playerMovements.forEach((playerMovement: PlayerMovement, userId: string) => {
+    getUpdatedPositions(tick: number) : Map<number, HasMovedEvent> {
+        const positions = new Map<number, HasMovedEvent>();
+        this.playerMovements.forEach((playerMovement: PlayerMovement, userId: number) => {
            if (playerMovement.isOutdated(tick)) {
                //console.log("outdated")
                this.playerMovements.delete(userId);
--- a/front/src/Phaser/Login/EnableCameraScene.ts
+++ b/front/src/Phaser/Login/EnableCameraScene.ts
@ -2,7 +2,7 @@ import {gameManager} from "../Game/GameManager";
 import {TextField} from "../Components/TextField";
 import Image = Phaser.GameObjects.Image;
 import {GameSceneInitInterface} from "../Game/GameScene";
-import {StartMapInterface} from "../../Connection";
+import {StartMapInterface} from "../../Connexion/ConnexionModels";
 import {mediaManager} from "../../WebRtc/MediaManager";
 import {RESOLUTION} from "../../Enum/EnvironmentVariable";
 import {SoundMeter} from "../Components/SoundMeter";
--- a/front/src/Phaser/Login/SelectCharacterScene.ts
+++ b/front/src/Phaser/Login/SelectCharacterScene.ts
@ -3,8 +3,6 @@ import {TextField} from "../Components/TextField";
 import Image = Phaser.GameObjects.Image;
 import Rectangle = Phaser.GameObjects.Rectangle;
 import {PLAYER_RESOURCES, PlayerResourceDescriptionInterface} from "../Entity/Character";
-import {GameSceneInitInterface} from "../Game/GameScene";
-import {StartMapInterface} from "../../Connection";
 import {EnableCameraSceneName} from "./EnableCameraScene";
 import {CustomizeSceneName} from "./CustomizeScene";

--- a/front/src/Phaser/Player/Player.ts
+++ b/front/src/Phaser/Player/Player.ts
@ -1,9 +1,7 @@
 import {PlayerAnimationNames} from "./Animation";
-import {GameScene, Textures} from "../Game/GameScene";
-import {MessageUserPositionInterface, PointInterface} from "../../Connection";
-import {ActiveEventList, UserInputEvent, UserInputManager} from "../UserInput/UserInputManager";
+import {GameScene} from "../Game/GameScene";
+import {UserInputEvent, UserInputManager} from "../UserInput/UserInputManager";
 import {Character} from "../Entity/Character";
-import {OutlinePipeline} from "../Shaders/OutlinePipeline";


 export const hasMovedEventName = "hasMoved";
--- a/front/src/WebRtc/MediaManager.ts
+++ b/front/src/WebRtc/MediaManager.ts
@ -343,7 +343,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    addActiveVideo(userId : string, userName: string = ""){
+    addActiveVideo(userId: string, userName: string = ""){
        this.webrtcInAudio.play();

        userName = userName.toUpperCase();
@ -368,7 +368,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    addScreenSharingActiveVideo(userId : string, divImportance: DivImportance = DivImportance.Important){
+    addScreenSharingActiveVideo(userId: string, divImportance: DivImportance = DivImportance.Important){
        //this.webrtcInAudio.play();

        userId = `screen-sharing-${userId}`;
@ -387,7 +387,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    disabledMicrophoneByUserId(userId: string){
+    disabledMicrophoneByUserId(userId: number){
        const element = document.getElementById(`microphone-${userId}`);
        if(!element){
            return;
@ -399,7 +399,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    enabledMicrophoneByUserId(userId: string){
+    enabledMicrophoneByUserId(userId: number){
        const element = document.getElementById(`microphone-${userId}`);
        if(!element){
            return;
@ -411,7 +411,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    disabledVideoByUserId(userId: string) {
+    disabledVideoByUserId(userId: number) {
        let element = document.getElementById(`${userId}`);
        if (element) {
            element.style.opacity = "0";
@ -426,7 +426,7 @@ export class MediaManager {
     *
     * @param userId
     */
-    enabledVideoByUserId(userId: string){
+    enabledVideoByUserId(userId: number){
        let element = document.getElementById(`${userId}`);
        if(element){
            element.style.opacity = "1";
@ -442,7 +442,7 @@ export class MediaManager {
     * @param userId
     * @param stream
     */
-    addStreamRemoteVideo(userId : string, stream : MediaStream){
+    addStreamRemoteVideo(userId: string, stream : MediaStream){
        const remoteVideo = this.remoteVideo.get(userId);
        if (remoteVideo === undefined) {
            console.error('Unable to find video for ', userId);
@ -450,7 +450,7 @@ export class MediaManager {
        }
        remoteVideo.srcObject = stream;
    }
-    addStreamRemoteScreenSharing(userId : string, stream : MediaStream){
+    addStreamRemoteScreenSharing(userId: string, stream : MediaStream){
        // In the case of screen sharing (going both ways), we may need to create the HTML element if it does not exist yet
        const remoteVideo = this.remoteVideo.get(`screen-sharing-${userId}`);
        if (remoteVideo === undefined) {
@ -464,15 +464,15 @@ export class MediaManager {
     *
     * @param userId
     */
-    removeActiveVideo(userId : string){
+    removeActiveVideo(userId: string){
        layoutManager.remove(userId);
        this.remoteVideo.delete(userId);
    }
-    removeActiveScreenSharingVideo(userId : string) {
+    removeActiveScreenSharingVideo(userId: string) {
        this.removeActiveVideo(`screen-sharing-${userId}`)
    }

-    isConnecting(userId : string): void {
+    isConnecting(userId: string): void {
        const connectingSpinnerDiv = this.getSpinner(userId);
        if (connectingSpinnerDiv === null) {
            return;
@ -480,7 +480,7 @@ export class MediaManager {
        connectingSpinnerDiv.style.display = 'block';
    }

-    isConnected(userId : string): void {
+    isConnected(userId: string): void {
        const connectingSpinnerDiv = this.getSpinner(userId);
        if (connectingSpinnerDiv === null) {
            return;
@ -488,7 +488,7 @@ export class MediaManager {
        connectingSpinnerDiv.style.display = 'none';
    }

-    isError(userId : string): void {
+    isError(userId: string): void {
        console.log("isError", `div-${userId}`);
        const element = document.getElementById(`div-${userId}`);
        if(!element){
@ -500,12 +500,12 @@ export class MediaManager {
        }
        errorDiv.style.display = 'block';
    }
-    isErrorScreenSharing(userId : string): void {
+    isErrorScreenSharing(userId: string): void {
        this.isError(`screen-sharing-${userId}`);
    }


-    private getSpinner(userId : string): HTMLDivElement|null {
+    private getSpinner(userId: string): HTMLDivElement|null {
        const element = document.getElementById(`div-${userId}`);
        if(!element){
            return null;
--- a/front/src/WebRtc/ScreenSharingPeer.ts
+++ b/front/src/WebRtc/ScreenSharingPeer.ts
@ -1,7 +1,7 @@
 import * as SimplePeerNamespace from "simple-peer";
 import {mediaManager} from "./MediaManager";
-import {Connection} from "../Connection";
 import {TURN_SERVER, TURN_USER, TURN_PASSWORD} from "../Enum/EnvironmentVariable";
+import {RoomConnection} from "../Connexion/RoomConnection";

 const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');

@ -14,7 +14,7 @@ export class ScreenSharingPeer extends Peer {
     */
    private isReceivingStream:boolean = false;

-    constructor(private userId: string, initiator: boolean, private connection: Connection) {
+    constructor(private userId: number, initiator: boolean, private connection: RoomConnection) {
        super({
            initiator: initiator ? initiator : false,
            reconnectTimer: 10000,
@ -52,7 +52,7 @@ export class ScreenSharingPeer extends Peer {
            if (message.streamEnded !== true) {
                console.error('Unexpected message on screen sharing peer connection');
            }
-            mediaManager.removeActiveScreenSharingVideo(this.userId);
+            mediaManager.removeActiveScreenSharingVideo("" + this.userId);
        });

        // eslint-disable-next-line @typescript-eslint/no-explicit-any
@ -63,7 +63,7 @@ export class ScreenSharingPeer extends Peer {

        this.on('connect', () => {
            // FIXME: we need to put the loader on the screen sharing connection
-            mediaManager.isConnected(this.userId);
+            mediaManager.isConnected("" + this.userId);
            console.info(`connect => ${this.userId}`);
        });

@ -86,10 +86,10 @@ export class ScreenSharingPeer extends Peer {
        //console.log(`ScreenSharingPeer::stream => ${this.userId}`, stream);
        //console.log(`stream => ${this.userId} => `, stream);
        if(!stream){
-            mediaManager.removeActiveScreenSharingVideo(this.userId);
+            mediaManager.removeActiveScreenSharingVideo("" + this.userId);
            this.isReceivingStream = false;
        } else {
-            mediaManager.addStreamRemoteScreenSharing(this.userId, stream);
+            mediaManager.addStreamRemoteScreenSharing("" + this.userId, stream);
            this.isReceivingStream = true;
        }
    }
@ -100,7 +100,7 @@ export class ScreenSharingPeer extends Peer {

    public destroy(error?: Error): void {
        try {
-            mediaManager.removeActiveScreenSharingVideo(this.userId);
+            mediaManager.removeActiveScreenSharingVideo("" + this.userId);
            // FIXME: I don't understand why "Closing connection with" message is displayed TWICE before "Nb users in peerConnectionArray"
            // I do understand the method closeConnection is called twice, but I don't understand how they manage to run in parallel.
            //console.log('Closing connection with '+userId);
--- a/front/src/WebRtc/SimplePeer.ts
+++ b/front/src/WebRtc/SimplePeer.ts
@ -1,9 +1,8 @@
 import {
-    Connection,
    WebRtcDisconnectMessageInterface,
    WebRtcSignalReceivedMessageInterface,
    WebRtcStartMessageInterface
-} from "../Connection";
+} from "../Connexion/ConnexionModels";
 import {
    mediaManager,
    StartScreenSharingCallback,
@ -12,9 +11,10 @@ import {
 } from "./MediaManager";
 import {ScreenSharingPeer} from "./ScreenSharingPeer";
 import {VideoPeer} from "./VideoPeer";
+import {RoomConnection} from "../Connexion/RoomConnection";

 export interface UserSimplePeerInterface{
-    userId: string;
+    userId: number;
    name?: string;
    initiator?: boolean;
 }
@ -22,25 +22,25 @@ export interface UserSimplePeerInterface{
 export interface PeerConnectionListener {
    onConnect(user: UserSimplePeerInterface): void;

-    onDisconnect(userId: string): void;
+    onDisconnect(userId: number): void;
 }

 /**
 * This class manages connections to all the peers in the same group as me.
 */
 export class SimplePeer {
-    private Connection: Connection;
+    private Connection: RoomConnection;
    private WebRtcRoomId: string;
    private Users: Array<UserSimplePeerInterface> = new Array<UserSimplePeerInterface>();

-    private PeerScreenSharingConnectionArray: Map<string, ScreenSharingPeer> = new Map<string, ScreenSharingPeer>();
-    private PeerConnectionArray: Map<string, VideoPeer> = new Map<string, VideoPeer>();
+    private PeerScreenSharingConnectionArray: Map<number, ScreenSharingPeer> = new Map<number, ScreenSharingPeer>();
+    private PeerConnectionArray: Map<number, VideoPeer> = new Map<number, VideoPeer>();
    private readonly sendLocalVideoStreamCallback: UpdatedLocalStreamCallback;
    private readonly sendLocalScreenSharingStreamCallback: StartScreenSharingCallback;
    private readonly stopLocalScreenSharingStreamCallback: StopScreenSharingCallback;
    private readonly peerConnectionListeners: Array<PeerConnectionListener> = new Array<PeerConnectionListener>();

-    constructor(Connection: Connection, WebRtcRoomId: string = "test-webrtc") {
+    constructor(Connection: RoomConnection, WebRtcRoomId: string = "test-webrtc") {
        this.Connection = Connection;
        this.WebRtcRoomId = WebRtcRoomId;
        // We need to go through this weird bound function pointer in order to be able to "free" this reference later.
@ -80,7 +80,7 @@ export class SimplePeer {
        mediaManager.getCamera().then(() => {

            //receive message start
-            this.Connection.receiveWebrtcStart((message: WebRtcStartMessageInterface) => {
+            this.Connection.receiveWebrtcStart((message: UserSimplePeerInterface) => {
                this.receiveWebrtcStart(message);
            });

@ -93,17 +93,22 @@ export class SimplePeer {
        });
    }

-    private receiveWebrtcStart(data: WebRtcStartMessageInterface) {
-        this.WebRtcRoomId = data.roomId;
-        this.Users = data.clients;
+    private receiveWebrtcStart(user: UserSimplePeerInterface) {
+        //this.WebRtcRoomId = data.roomId;
+        this.Users.push(user);
        // Note: the clients array contain the list of all clients (even the ones we are already connected to in case a user joints a group)
        // So we can receive a request we already had before. (which will abort at the first line of createPeerConnection)
-        // TODO: refactor this to only send a message to connect to one user (rather than several users).
+        // TODO: refactor this to only send a message to connect to one user (rather than several users). => DONE
        // This would be symmetrical to the way we handle disconnection.
        //console.log('Start message', data);

        //start connection
-        this.startWebRtc();
+        //this.startWebRtc();
+        console.log('receiveWebrtcStart. Initiator: ', user.initiator)
+        if(!user.initiator){
+            return;
+        }
+        this.createPeerConnection(user);
    }

    /**
@ -127,6 +132,7 @@ export class SimplePeer {
        if(
            this.PeerConnectionArray.has(user.userId)
        ){
+            console.log('Peer connection already exists to user '+user.userId)
            return null;
        }

@ -138,8 +144,8 @@ export class SimplePeer {
            }
        }

-        mediaManager.removeActiveVideo(user.userId);
-        mediaManager.addActiveVideo(user.userId, name);
+        mediaManager.removeActiveVideo("" + user.userId);
+        mediaManager.addActiveVideo("" + user.userId, name);

        const peer = new VideoPeer(user.userId, user.initiator ? user.initiator : false, this.Connection);
        // When a connection is established to a video stream, and if a screen sharing is taking place,
@ -169,8 +175,8 @@ export class SimplePeer {

        // We should display the screen sharing ONLY if we are not initiator
        if (!user.initiator) {
-            mediaManager.removeActiveScreenSharingVideo(user.userId);
-            mediaManager.addScreenSharingActiveVideo(user.userId);
+            mediaManager.removeActiveScreenSharingVideo("" + user.userId);
+            mediaManager.addScreenSharingActiveVideo("" + user.userId);
        }

        const peer = new ScreenSharingPeer(user.userId, user.initiator ? user.initiator : false, this.Connection);
@ -187,7 +193,7 @@ export class SimplePeer {
     *
     * @param userId
     */
-    private closeConnection(userId : string) {
+    private closeConnection(userId : number) {
        try {
            //mediaManager.removeActiveVideo(userId);
            const peer = this.PeerConnectionArray.get(userId);
@ -215,9 +221,9 @@ export class SimplePeer {
     *
     * @param userId
     */
-    private closeScreenSharingConnection(userId : string) {
+    private closeScreenSharingConnection(userId : number) {
        try {
-            mediaManager.removeActiveScreenSharingVideo(userId);
+            mediaManager.removeActiveScreenSharingVideo("" + userId);
            const peer = this.PeerScreenSharingConnectionArray.get(userId);
            if (peer === undefined) {
                console.warn("Tried to close connection for user "+userId+" but could not find user")
@ -291,7 +297,7 @@ export class SimplePeer {
     *
     * @param userId
     */
-    private pushVideoToRemoteUser(userId : string) {
+    private pushVideoToRemoteUser(userId : number) {
        try {
            const PeerConnection = this.PeerConnectionArray.get(userId);
            if (!PeerConnection) {
@ -312,7 +318,7 @@ export class SimplePeer {
        }
    }

-    private pushScreenSharingToRemoteUser(userId : string) {
+    private pushScreenSharingToRemoteUser(userId : number) {
        const PeerConnection = this.PeerScreenSharingConnectionArray.get(userId);
        if (!PeerConnection) {
            throw new Error('While pushing screen sharing, cannot find user with ID ' + userId);
@ -357,7 +363,7 @@ export class SimplePeer {
        }
    }

-    private sendLocalScreenSharingStreamToUser(userId: string): void {
+    private sendLocalScreenSharingStreamToUser(userId: number): void {
        // If a connection already exists with user (because it is already sharing a screen with us... let's use this connection)
        if (this.PeerScreenSharingConnectionArray.has(userId)) {
            this.pushScreenSharingToRemoteUser(userId);
@ -374,7 +380,7 @@ export class SimplePeer {
        }
    }

-    private stopLocalScreenSharingStreamToUser(userId: string, stream: MediaStream): void {
+    private stopLocalScreenSharingStreamToUser(userId: number, stream: MediaStream): void {
        const PeerConnectionScreenSharing = this.PeerScreenSharingConnectionArray.get(userId);
        if (!PeerConnectionScreenSharing) {
            throw new Error('Weird, screen sharing connection to user ' + userId + 'not found')
--- a/front/src/WebRtc/VideoPeer.ts
+++ b/front/src/WebRtc/VideoPeer.ts
@ -1,7 +1,7 @@
 import * as SimplePeerNamespace from "simple-peer";
 import {mediaManager} from "./MediaManager";
-import {Connection} from "../Connection";
 import {TURN_PASSWORD, TURN_SERVER, TURN_USER} from "../Enum/EnvironmentVariable";
+import {RoomConnection} from "../Connexion/RoomConnection";

 const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');

@ -9,7 +9,7 @@ const Peer: SimplePeerNamespace.SimplePeer = require('simple-peer');
 * A peer connection used to transmit video / audio signals between 2 peers.
 */
 export class VideoPeer extends Peer {
-    constructor(private userId: string, initiator: boolean, private connection: Connection) {
+    constructor(private userId: number, initiator: boolean, private connection: RoomConnection) {
        super({
            initiator: initiator ? initiator : false,
            reconnectTimer: 10000,
@ -63,11 +63,11 @@ export class VideoPeer extends Peer {
        // eslint-disable-next-line @typescript-eslint/no-explicit-any
        this.on('error', (err: any) => {
            console.error(`error => ${this.userId} => ${err.code}`, err);
-            mediaManager.isError(userId);
+            mediaManager.isError("" + userId);
        });

        this.on('connect', () => {
-            mediaManager.isConnected(this.userId);
+            mediaManager.isConnected("" + this.userId);
            console.info(`connect => ${this.userId}`);
        });

@ -108,7 +108,7 @@ export class VideoPeer extends Peer {
            mediaManager.disabledVideoByUserId(this.userId);
            mediaManager.disabledMicrophoneByUserId(this.userId);
        } else {
-            mediaManager.addStreamRemoteVideo(this.userId, stream);
+            mediaManager.addStreamRemoteVideo("" + this.userId, stream);
        }
    }

@ -117,7 +117,7 @@ export class VideoPeer extends Peer {
     */
    public destroy(error?: Error): void {
        try {
-            mediaManager.removeActiveVideo(this.userId);
+            mediaManager.removeActiveVideo("" + this.userId);
            // FIXME: I don't understand why "Closing connection with" message is displayed TWICE before "Nb users in peerConnectionArray"
            // I do understand the method closeConnection is called twice, but I don't understand how they manage to run in parallel.
            //console.log('Closing connection with '+userId);
--- a/front/src/index.ts
+++ b/front/src/index.ts
@ -11,11 +11,10 @@ import WebGLRenderer = Phaser.Renderer.WebGL.WebGLRenderer;
 import {OutlinePipeline} from "./Phaser/Shaders/OutlinePipeline";
 import {CustomizeScene} from "./Phaser/Login/CustomizeScene";
 import {CoWebsiteManager} from "./WebRtc/CoWebsiteManager";
-import {redirectIfToken} from "./register";
+import {connectionManager} from "./Connexion/ConnectionManager";

 //CoWebsiteManager.loadCoWebsite('https://thecodingmachine.com');
-let connectionData //todo: do something with this data
-redirectIfToken().then(res => connectionData = res);
+connectionManager.init();

 // Load Jitsi if the environment variable is set.
 if (JITSI_URL) {
--- a/front/src/register.ts
+++ b/front/src/register.ts
@ -1,29 +0,0 @@
-import Axios from "axios";
-import {API_URL} from "./Enum/EnvironmentVariable";
-declare let history:History;
-
-//todo: better naming
-export interface ConnexionData {
-    organizationSlug: string,
-    worldSlug: string,
-    roomSlug: string,
-}
-
-export async function redirectIfToken(): Promise<ConnexionData | null> {
-    const match = /\/register\/(.+)/.exec(window.location.toString());
-    if (!match) {
-        return null
-    }
-    let res = null;
-    try {
-        res = await Axios.get(`${API_URL}/register/`+match[1])
-    } catch (e) {
-        return null;
-    }
-    const organizationSlug = res.data.organizationSlug;
-    const worldSlug = res.data.worldSlug;
-    const roomSlug = res.data.roomSlug;
-    const connexionUrl = '/@/'+organizationSlug+'/'+worldSlug+'/'+roomSlug;
-    history.pushState({}, '', connexionUrl);
-    return {organizationSlug, worldSlug, roomSlug};
-}
--- a/front/yarn.lock
+++ b/front/yarn.lock
@ -66,6 +66,11 @@
    "@types/minimatch" "*"
    "@types/node" "*"

+"@types/google-protobuf@^3.7.3":
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/@types/google-protobuf/-/google-protobuf-3.7.3.tgz#429512e541bbd777f2c867692e6335ee08d1f6d4"
+  integrity sha512-FRwj40euE2bYkG+0X5w2nEA8yAzgJRcEa7RBd0Gsdkb9/tPM2pctVVAvnOUTbcXo2VmIHPo0Ae94Gl9vRHfKzg==
+
 "@types/html-minifier-terser@^5.0.0":
  version "5.1.0"
  resolved "https://registry.yarnpkg.com/@types/html-minifier-terser/-/html-minifier-terser-5.1.0.tgz#551a4589b6ee2cc9c1dff08056128aec29b94880"
@ -2257,6 +2262,11 @@ globby@^6.1.0:
    pify "^2.0.0"
    pinkie-promise "^2.0.0"

+google-protobuf@^3.13.0:
+  version "3.13.0"
+  resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.13.0.tgz#909c5983d75dd6101ed57c79e0528d000cdc3251"
+  integrity sha512-ZIf3qfLFayVrPvAjeKKxO5FRF1/NwRxt6Dko+fWEMuHwHbZx8/fcaAao9b0wCM6kr8qeg2te8XTpyuvKuD9aKw==
+
 graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2:
  version "4.2.4"
  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
--- a/messages/.gitignore
+++ b/messages/.gitignore
@ -0,0 +1 @@
+/node_modules/
--- a/messages/generated/.gitignore
+++ b/messages/generated/.gitignore
@ -0,0 +1,2 @@
+*
+!.gitignore
--- a/messages/messages.proto
+++ b/messages/messages.proto
@ -0,0 +1,182 @@
+syntax = "proto3";
+
+/*********** PARTIAL MESSAGES **************/
+
+message PositionMessage {
+  int32 x = 1;
+  int32 y = 2;
+  enum Direction {
+    UP = 0;
+    RIGHT = 1;
+    DOWN = 2;
+    LEFT = 3;
+  }
+  Direction direction = 3;
+  bool moving = 4;
+}
+
+message PointMessage {
+  int32 x = 1;
+  int32 y = 2;
+}
+
+message ViewportMessage {
+  int32 left = 1;
+  int32 top = 2;
+  int32 right = 3;
+  int32 bottom = 4;
+}
+
+message SilentMessage {
+  bool silent = 1;
+}
+
+/*********** CLIENT TO SERVER MESSAGES *************/
+
+message SetPlayerDetailsMessage {
+  string name = 1;
+  repeated string characterLayers = 2;
+}
+
+message JoinRoomMessage {
+  string roomId = 1;
+  PositionMessage position = 2;
+  ViewportMessage viewport = 3;
+}
+
+message UserMovesMessage {
+  PositionMessage position = 1;
+  ViewportMessage viewport = 2;
+}
+
+message WebRtcSignalToServerMessage {
+  int32 receiverId = 1;
+  string signal = 2;
+}
+
+message ClientToServerMessage {
+  oneof message {
+    JoinRoomMessage joinRoomMessage = 1;
+    UserMovesMessage userMovesMessage = 2;
+    SilentMessage silentMessage = 3;
+    ViewportMessage viewportMessage = 4;
+    ItemEventMessage itemEventMessage = 5;
+    SetPlayerDetailsMessage setPlayerDetailsMessage = 6;
+    WebRtcSignalToServerMessage webRtcSignalToServerMessage = 7;
+    WebRtcSignalToServerMessage webRtcScreenSharingSignalToServerMessage = 8;
+    PlayGlobalMessage playGlobalMessage = 9;
+    StopGlobalMessage stopGlobalMessage = 10;
+  }
+}
+
+
+/************ BI-DIRECTIONAL MESSAGES **************/
+
+message ItemEventMessage {
+  int32 itemId = 1;
+  string event = 2;
+  string stateJson = 3;
+  string parametersJson = 4;
+}
+
+message PlayGlobalMessage {
+  string id = 1;
+  string type = 2;
+  string message = 3;
+}
+
+message StopGlobalMessage {
+  string id = 1;
+}
+
+/*********** SERVER TO CLIENT MESSAGES *************/
+
+message UserMovedMessage {
+  int32 userId = 1;
+  PositionMessage position = 2;
+}
+
+message SubMessage {
+  oneof message {
+    UserMovedMessage userMovedMessage = 1;
+    GroupUpdateMessage groupUpdateMessage = 2;
+    GroupDeleteMessage groupDeleteMessage = 3;
+    UserJoinedMessage userJoinedMessage = 4;
+    UserLeftMessage userLeftMessage = 5;
+    ItemEventMessage itemEventMessage = 6;
+  }
+}
+
+message BatchMessage {
+  string event = 1;
+  repeated SubMessage payload = 2;
+}
+
+message GroupUpdateMessage {
+  int32 groupId = 1;
+  PointMessage position = 2;
+}
+
+message GroupDeleteMessage {
+  int32 groupId = 1;
+}
+
+message UserJoinedMessage {
+  int32 userId = 1;
+  string name = 2;
+  repeated string characterLayers = 3;
+  PositionMessage position = 4;
+}
+
+message UserLeftMessage {
+  int32 userId = 1;
+}
+
+message ErrorMessage {
+  string message = 1;
+}
+
+message SetUserIdMessage {
+  int32 userId = 1;
+}
+
+message ItemStateMessage {
+  int32 itemId = 1;
+  string stateJson = 2;
+}
+
+message RoomJoinedMessage {
+  repeated UserJoinedMessage user = 1;
+  repeated GroupUpdateMessage group = 2;
+  repeated ItemStateMessage item = 3;
+}
+
+message WebRtcStartMessage {
+  int32 userId = 1;
+  string name = 2;
+  bool initiator = 3;
+}
+
+message WebRtcDisconnectMessage {
+  int32 userId = 1;
+}
+
+message WebRtcSignalToClientMessage {
+  int32 userId = 1;
+  string signal = 2;
+}
+
+message ServerToClientMessage {
+  oneof message {
+    BatchMessage batchMessage = 1;
+    ErrorMessage errorMessage = 2;
+    RoomJoinedMessage roomJoinedMessage = 3;
+    SetUserIdMessage setUserIdMessage = 4; // TODO: merge this with RoomJoinedMessage ?
+    WebRtcStartMessage webRtcStartMessage = 5;
+    WebRtcSignalToClientMessage webRtcSignalToClientMessage = 6;
+    WebRtcSignalToClientMessage webRtcScreenSharingSignalToClientMessage = 7;
+    WebRtcDisconnectMessage webRtcDisconnectMessage = 8;
+    PlayGlobalMessage playGlobalMessage = 9;
+    StopGlobalMessage stopGlobalMessage = 10;
+  }
+}
--- a/messages/package.json
+++ b/messages/package.json
@ -0,0 +1,46 @@
+{
+  "name": "workadventure-messages",
+  "version": "1.0.0",
+  "description": "",
+  "main": "generated/src/proto/messages_pb.js",
+  "scripts": {
+    "proto": "protoc --plugin=\"protoc-gen-ts=./node_modules/.bin/protoc-gen-ts\" --js_out=\"import_style=commonjs,binary:generated\" --ts_out=\"generated\" messages.proto",
+    "copy-to-back": "rm -rf ../back/src/Messages/generated && cp -rf generated/ ../back/src/Messages/generated",
+    "copy-to-front": "rm -rf ../front/src/Messages/generated && cp -rf generated/ ../front/src/Messages/generated",
+    "proto-all": "yarn run proto && yarn run copy-to-back && yarn run copy-to-front",
+    "proto:watch": "yarn run proto-all; inotifywait -q -m -e close_write messages.proto | while read -r filename event; do yarn run proto-all; done"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/thecodingmachine/workadventure.git"
+  },
+  "contributors": [
+    {
+      "name": "Grégoire Parant",
+      "email": "g.parant@thecodingmachine.com"
+    },
+    {
+      "name": "David Négrier",
+      "email": "d.negrier@thecodingmachine.com"
+    },
+    {
+      "name": "Arthmaël Poly",
+      "email": "a.poly@thecodingmachine.com"
+    }
+  ],
+  "license": "SEE LICENSE IN LICENSE.txt",
+  "bugs": {
+    "url": "https://github.com/thecodingmachine/workadventure/issues"
+  },
+  "homepage": "https://github.com/thecodingmachine/workadventure#readme",
+  "dependencies": {
+    "google-protobuf": "^3.13.0",
+    "typescript": "^3.8.3"
+  },
+  "devDependencies": {
+    "ts-node-dev": "^1.0.0-pre.44",
+    "@types/google-protobuf": "^3.7.3",
+    "concurrently": "^5.3.0",
+    "ts-protoc-gen": "^0.13.0"
+  }
+}
--- a/messages/yarn.lock
+++ b/messages/yarn.lock
@ -0,0 +1,889 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+"@types/google-protobuf@^3.7.3":
+  version "3.7.3"
+  resolved "https://registry.yarnpkg.com/@types/google-protobuf/-/google-protobuf-3.7.3.tgz#429512e541bbd777f2c867692e6335ee08d1f6d4"
+  integrity sha512-FRwj40euE2bYkG+0X5w2nEA8yAzgJRcEa7RBd0Gsdkb9/tPM2pctVVAvnOUTbcXo2VmIHPo0Ae94Gl9vRHfKzg==
+
+"@types/strip-bom@^3.0.0":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/@types/strip-bom/-/strip-bom-3.0.0.tgz#14a8ec3956c2e81edb7520790aecf21c290aebd2"
+  integrity sha1-FKjsOVbC6B7bdSB5CuzyHCkK69I=
+
+"@types/strip-json-comments@0.0.30":
+  version "0.0.30"
+  resolved "https://registry.yarnpkg.com/@types/strip-json-comments/-/strip-json-comments-0.0.30.tgz#9aa30c04db212a9a0649d6ae6fd50accc40748a1"
+  integrity sha512-7NQmHra/JILCd1QqpSzl8+mJRc8ZHz3uDm8YV1Ks9IhK0epEiTw8aIErbvH9PI+6XbqhyIQy3462nEsn7UVzjQ==
+
+ansi-regex@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.1.0.tgz#8b9f8f08cf1acb843756a839ca8c7e3168c51997"
+  integrity sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==
+
+ansi-styles@^3.2.0, ansi-styles@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
+  integrity sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==
+  dependencies:
+    color-convert "^1.9.0"
+
+anymatch@~3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.1.1.tgz#c55ecf02185e2469259399310c173ce31233b142"
+  integrity sha512-mM8522psRCqzV+6LhomX5wgp25YVibjh8Wj23I5RPkPppSVSjyKD2A2mBJmWGa+KN7f2D6LNh9jkBCeyLktzjg==
+  dependencies:
+    normalize-path "^3.0.0"
+    picomatch "^2.0.4"
+
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+  integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
+
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+  integrity sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=
+
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
+  integrity sha1-ibTRmasr7kneFk6gK4nORi1xt2c=
+
+binary-extensions@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-2.1.0.tgz#30fa40c9e7fe07dbc895678cd287024dea241dd9"
+  integrity sha512-1Yj8h9Q+QDF5FzhMs/c9+6UntbD5MkRfRwac8DoEm9ZfUBZ7tZ55YcGVAzEe4bXsdQHEk+s9S5wsOKVdZrw0tQ==
+
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
+braces@~3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/braces/-/braces-3.0.2.tgz#3454e1a462ee8d599e236df336cd9ea4f8afe107"
+  integrity sha512-b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==
+  dependencies:
+    fill-range "^7.0.1"
+
+buffer-from@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
+
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  integrity sha1-MIvur/3ygRkFHvodkyITyRuPkuc=
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
+camelcase@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
+  integrity sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=
+
+camelcase@^5.0.0:
+  version "5.3.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
+  integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
+
+chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
+chokidar@^3.4.0:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.4.2.tgz#38dc8e658dec3809741eb3ef7bb0a47fe424232d"
+  integrity sha512-IZHaDeBeI+sZJRX7lGcXsdzgvZqKv6sECqsbErJA4mHWfpRrD8B97kSFN4cQz6nGBGiuFia1MKR4d6c1o8Cv7A==
+  dependencies:
+    anymatch "~3.1.1"
+    braces "~3.0.2"
+    glob-parent "~5.1.0"
+    is-binary-path "~2.1.0"
+    is-glob "~4.0.1"
+    normalize-path "~3.0.0"
+    readdirp "~3.4.0"
+  optionalDependencies:
+    fsevents "~2.1.2"
+
+cliui@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
+  integrity sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==
+  dependencies:
+    string-width "^3.1.0"
+    strip-ansi "^5.2.0"
+    wrap-ansi "^5.1.0"
+
+color-convert@^1.9.0:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-1.9.3.tgz#bb71850690e1f136567de629d2d5471deda4c1e8"
+  integrity sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==
+  dependencies:
+    color-name "1.1.3"
+
+color-name@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
+  integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+  integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
+
+concurrently@^5.3.0:
+  version "5.3.0"
+  resolved "https://registry.yarnpkg.com/concurrently/-/concurrently-5.3.0.tgz#7500de6410d043c912b2da27de3202cb489b1e7b"
+  integrity sha512-8MhqOB6PWlBfA2vJ8a0bSFKATOdWlHiQlk11IfmQBPaHVP8oP2gsh2MObE6UR3hqDHqvaIvLTyceNW6obVuFHQ==
+  dependencies:
+    chalk "^2.4.2"
+    date-fns "^2.0.1"
+    lodash "^4.17.15"
+    read-pkg "^4.0.1"
+    rxjs "^6.5.2"
+    spawn-command "^0.0.2-1"
+    supports-color "^6.1.0"
+    tree-kill "^1.2.2"
+    yargs "^13.3.0"
+
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  integrity sha1-mI3zP+qxke95mmE2nddsF635V+o=
+  dependencies:
+    array-find-index "^1.0.1"
+
+date-fns@^2.0.1:
+  version "2.16.1"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.16.1.tgz#05775792c3f3331da812af253e1a935851d3834b"
+  integrity sha512-sAJVKx/FqrLYHAQeN7VpJrPhagZc9R4ImZIWYRFZaaohR3KzmuK88touwsSwSVT8Qcbd4zoDsnGfX4GFB4imyQ==
+
+dateformat@~1.0.4-1.2.3:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
+  integrity sha1-nxJLZ1lMk3/3BpMuSmQsyo27/uk=
+  dependencies:
+    get-stdin "^4.0.1"
+    meow "^3.3.0"
+
+decamelize@^1.1.2, decamelize@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+  integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
+
+diff@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
+  integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
+
+dynamic-dedupe@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/dynamic-dedupe/-/dynamic-dedupe-0.3.0.tgz#06e44c223f5e4e94d78ef9db23a6515ce2f962a1"
+  integrity sha1-BuRMIj9eTpTXjvnbI6ZRXOL5YqE=
+  dependencies:
+    xtend "^4.0.0"
+
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+  integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
+
+error-ex@^1.2.0, error-ex@^1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.2.tgz#b4ac40648107fdcdcfae242f428bea8a14d4f1bf"
+  integrity sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==
+  dependencies:
+    is-arrayish "^0.2.1"
+
+escape-string-regexp@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
+  integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
+
+fill-range@^7.0.1:
+  version "7.0.1"
+  resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-7.0.1.tgz#1919a6a7c75fe38b2c7c77e5198535da9acdda40"
+  integrity sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==
+  dependencies:
+    to-regex-range "^5.0.1"
+
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  integrity sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+find-up@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
+  integrity sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==
+  dependencies:
+    locate-path "^3.0.0"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+  integrity sha1-FQStJSMVjKpA20onh8sBQRmU6k8=
+
+fsevents@~2.1.2:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.1.3.tgz#fb738703ae8d2f9fe900c33836ddebee8b97f23e"
+  integrity sha512-Auw9a4AxqWpa9GUfj370BMPzzyncfBABW8Mab7BGWBYDj4Isgq+cDKtx0i6u9jcX9pQDnswsaaOTgTmA5pEjuQ==
+
+get-caller-file@^2.0.1:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
+  integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
+
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+  integrity sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=
+
+glob-parent@~5.1.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.1.tgz#b6c1ef417c4e5663ea498f1c45afac6916bbc229"
+  integrity sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==
+  dependencies:
+    is-glob "^4.0.1"
+
+glob@^7.1.3:
+  version "7.1.6"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
+  integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+google-protobuf@^3.13.0, google-protobuf@^3.6.1:
+  version "3.13.0"
+  resolved "https://registry.yarnpkg.com/google-protobuf/-/google-protobuf-3.13.0.tgz#909c5983d75dd6101ed57c79e0528d000cdc3251"
+  integrity sha512-ZIf3qfLFayVrPvAjeKKxO5FRF1/NwRxt6Dko+fWEMuHwHbZx8/fcaAao9b0wCM6kr8qeg2te8XTpyuvKuD9aKw==
+
+graceful-fs@^4.1.2:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
+  integrity sha512-WjKPNJF79dtJAVniUlGGWHYGz2jWxT6VhN/4m1NdkbZ2nOsEF+cI1Edgql5zCRhs/VsQYRvrXctxktVXZUkixw==
+
+has-flag@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
+  integrity sha1-tdRU3CGZriJWmfNGfloH87lVuv0=
+
+hosted-git-info@^2.1.4:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.8.tgz#7539bd4bc1e0e0a895815a2e0262420b12858488"
+  integrity sha512-f/wzC2QaWBs7t9IYqB4T3sR1xviIViXJRJTWBlx2Gf3g0Xi5vI7Yy4koXQ1c9OYDGHN9sBy1DQ2AB8fqZBWhUg==
+
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  integrity sha1-ji1INIdCEhtKghi3oTfppSBJ3IA=
+  dependencies:
+    repeating "^2.0.0"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  integrity sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+  integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
+
+is-binary-path@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-2.1.0.tgz#ea1f7f3b80f064236e83470f86c09c254fb45b09"
+  integrity sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==
+  dependencies:
+    binary-extensions "^2.0.0"
+
+is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
+is-finite@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.1.0.tgz#904135c77fb42c0641d6aa1bcdbc4daa8da082f3"
+  integrity sha512-cdyMtqX/BOqqNBBiKlIVkytNHm49MtMlYyn1zxzvJKWmFMlGzm+ry5BBfYyeY9YmNKbRSo/o7OX9w9ale0wg3w==
+
+is-fullwidth-code-point@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
+  integrity sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=
+
+is-glob@^4.0.1, is-glob@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
+is-number@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/is-number/-/is-number-7.0.0.tgz#7535345b896734d5f80c4d06c50955527a14f12b"
+  integrity sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+  integrity sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=
+
+json-parse-better-errors@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
+  integrity sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw==
+
+load-json-file@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  integrity sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
+locate-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-3.0.0.tgz#dbec3b3ab759758071b58fe59fc41871af21400e"
+  integrity sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==
+  dependencies:
+    p-locate "^3.0.0"
+    path-exists "^3.0.0"
+
+lodash@^4.17.15:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
+loud-rejection@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  integrity sha1-W0b4AUft7leIcPCG0Eghz5mOVR8=
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
+make-error@^1.1.1:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
+  integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
+
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+  integrity sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0=
+
+meow@^3.3.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  integrity sha1-cstmi0JSKCkKu/qFaJJYcwioAfs=
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
+minimatch@^3.0.4:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
+  integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
+  dependencies:
+    brace-expansion "^1.1.7"
+
+minimist@^1.1.3, minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
+mkdirp@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
+
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
+  integrity sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==
+  dependencies:
+    hosted-git-info "^2.1.4"
+    resolve "^1.10.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
+normalize-path@^3.0.0, normalize-path@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
+object-assign@^4.0.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=
+
+once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  integrity sha1-WDsap3WWHUsROsF9nFC6753Xa9E=
+  dependencies:
+    wrappy "1"
+
+p-limit@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-2.3.0.tgz#3dd33c647a214fdfffd835933eb086da0dc21db1"
+  integrity sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==
+  dependencies:
+    p-try "^2.0.0"
+
+p-locate@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/p-locate/-/p-locate-3.0.0.tgz#322d69a05c0264b25997d9f40cd8a891ab0064a4"
+  integrity sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==
+  dependencies:
+    p-limit "^2.0.0"
+
+p-try@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.2.0.tgz#cb2868540e313d61de58fafbe35ce9004d5540e6"
+  integrity sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==
+
+parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  integrity sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=
+  dependencies:
+    error-ex "^1.2.0"
+
+parse-json@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
+  integrity sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=
+  dependencies:
+    error-ex "^1.3.1"
+    json-parse-better-errors "^1.0.1"
+
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  integrity sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+path-exists@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
+  integrity sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=
+
+path-is-absolute@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
+  integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
+
+path-parse@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
+  integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
+
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  integrity sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+picomatch@^2.0.4, picomatch@^2.2.1:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.2.tgz#21f333e9b6b8eaff02468f5146ea406d345f4dad"
+  integrity sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==
+
+pify@^2.0.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
+  integrity sha1-7RQaasBDqEnqWISY59yosVMw6Qw=
+
+pify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+  integrity sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=
+
+pinkie-promise@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  integrity sha1-ITXW36ejWMBprJsXh3YogihFD/o=
+  dependencies:
+    pinkie "^2.0.0"
+
+pinkie@^2.0.0:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+  integrity sha1-clVrgM+g1IqXToDnckjoDtT3+HA=
+
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  integrity sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  integrity sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
+read-pkg@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-4.0.1.tgz#963625378f3e1c4d48c85872b5a6ec7d5d093237"
+  integrity sha1-ljYlN48+HE1IyFhytabsfV0JMjc=
+  dependencies:
+    normalize-package-data "^2.3.2"
+    parse-json "^4.0.0"
+    pify "^3.0.0"
+
+readdirp@~3.4.0:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-3.4.0.tgz#9fdccdf9e9155805449221ac645e8303ab5b9ada"
+  integrity sha512-0xe001vZBnJEK+uKcj8qOhyAKPzIT+gStxWr3LCB0DwcXR5NZJ3IaC+yGnHCYzB/S7ov3m3EEbZI2zeNvX+hGQ==
+  dependencies:
+    picomatch "^2.2.1"
+
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  integrity sha1-z5Fqsf1fHxbfsggi3W7H9zDCr94=
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
+repeating@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
+  integrity sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=
+  dependencies:
+    is-finite "^1.0.0"
+
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+  integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
+
+require-main-filename@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-2.0.0.tgz#d0b329ecc7cc0f61649f62215be69af54aa8989b"
+  integrity sha512-NKN5kMDylKuldxYLSUfrbo5Tuzh4hd+2E8NPPX02mZtn1VuREQToYe/ZdlJy+J3uCpfaiGF05e7B8W0iXbQHmg==
+
+resolve@^1.0.0, resolve@^1.10.0:
+  version "1.17.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.17.0.tgz#b25941b54968231cc2d1bb76a79cb7f2c0bf8444"
+  integrity sha512-ic+7JYiV8Vi2yzQGFWOkiZD5Z9z7O2Zhm9XMaTxdJExKasieFCr+yXZ/WmXsckHiKl12ar0y6XiXDx3m4RHn1w==
+  dependencies:
+    path-parse "^1.0.6"
+
+rimraf@^2.6.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
+  dependencies:
+    glob "^7.1.3"
+
+rxjs@^6.5.2:
+  version "6.6.3"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.3.tgz#8ca84635c4daa900c0d3967a6ee7ac60271ee552"
+  integrity sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==
+  dependencies:
+    tslib "^1.9.0"
+
+"semver@2 || 3 || 4 || 5":
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
+  integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
+
+set-blocking@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
+  integrity sha1-BF+XgtARrppoA93TgrJDkrPYkPc=
+
+signal-exit@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.3.tgz#a1410c2edd8f077b08b4e253c8eacfcaf057461c"
+  integrity sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==
+
+source-map-support@^0.5.12, source-map-support@^0.5.17:
+  version "0.5.19"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
+  integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
+source-map@^0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
+
+spawn-command@^0.0.2-1:
+  version "0.0.2-1"
+  resolved "https://registry.yarnpkg.com/spawn-command/-/spawn-command-0.0.2-1.tgz#62f5e9466981c1b796dc5929937e11c9c6921bd0"
+  integrity sha1-YvXpRmmBwbeW3Fkpk34RycaSG9A=
+
+spdx-correct@^3.0.0:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-3.1.1.tgz#dece81ac9c1e6713e5f7d1b6f17d468fa53d89a9"
+  integrity sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==
+  dependencies:
+    spdx-expression-parse "^3.0.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-exceptions@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/spdx-exceptions/-/spdx-exceptions-2.3.0.tgz#3f28ce1a77a00372683eade4a433183527a2163d"
+  integrity sha512-/tTrYOC7PPI1nUAgx34hUpqXuyJG+DTHJTnIULG4rDygi4xu/tfgmq1e1cIRwRzwZgo4NLySi+ricLkZkw4i5A==
+
+spdx-expression-parse@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz#cf70f50482eefdc98e3ce0a6833e4a53ceeba679"
+  integrity sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==
+  dependencies:
+    spdx-exceptions "^2.1.0"
+    spdx-license-ids "^3.0.0"
+
+spdx-license-ids@^3.0.0:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-3.0.6.tgz#c80757383c28abf7296744998cbc106ae8b854ce"
+  integrity sha512-+orQK83kyMva3WyPf59k1+Y525csj5JejicWut55zeTWANuN17qSiSLUXWtzHeNWORSvT7GLDJ/E/XiIWoXBTw==
+
+string-width@^3.0.0, string-width@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
+strip-ansi@^5.0.0, strip-ansi@^5.1.0, strip-ansi@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
+  dependencies:
+    ansi-regex "^4.1.0"
+
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  integrity sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
+  dependencies:
+    is-utf8 "^0.2.0"
+
+strip-bom@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
+  integrity sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=
+
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  integrity sha1-DHlipq3vp7vUrDZkYKY4VSrhoKI=
+  dependencies:
+    get-stdin "^4.0.1"
+
+strip-json-comments@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
+  integrity sha1-PFMZQukIwml8DsNEhYwobHygpgo=
+
+supports-color@^5.3.0:
+  version "5.5.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
+  integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
+  dependencies:
+    has-flag "^3.0.0"
+
+supports-color@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-6.1.0.tgz#0764abc69c63d5ac842dd4867e8d025e880df8f3"
+  integrity sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==
+  dependencies:
+    has-flag "^3.0.0"
+
+to-regex-range@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
+  integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
+  dependencies:
+    is-number "^7.0.0"
+
+tree-kill@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
+  integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
+
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+  integrity sha1-WIeWa7WCpFA6QetST301ARgVphM=
+
+ts-node-dev@^1.0.0-pre.44:
+  version "1.0.0-pre.62"
+  resolved "https://registry.yarnpkg.com/ts-node-dev/-/ts-node-dev-1.0.0-pre.62.tgz#835644c43669b659a880379b9d06df86cef665ad"
+  integrity sha512-hfsEuCqUZOVnZ86l7A3icxD1nFt1HEmLVbx4YOHCkrbSHPBNWcw+IczAPZo3zz7YiOm9vs0xG6OENNrkgm89tQ==
+  dependencies:
+    chokidar "^3.4.0"
+    dateformat "~1.0.4-1.2.3"
+    dynamic-dedupe "^0.3.0"
+    minimist "^1.2.5"
+    mkdirp "^1.0.4"
+    resolve "^1.0.0"
+    rimraf "^2.6.1"
+    source-map-support "^0.5.12"
+    tree-kill "^1.2.2"
+    ts-node "^8.10.2"
+    tsconfig "^7.0.0"
+
+ts-node@^8.10.2:
+  version "8.10.2"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-8.10.2.tgz#eee03764633b1234ddd37f8db9ec10b75ec7fb8d"
+  integrity sha512-ISJJGgkIpDdBhWVu3jufsWpK3Rzo7bdiIXJjQc0ynKxVOVcg2oIrf2H2cejminGrptVc6q6/uynAHNCuWGbpVA==
+  dependencies:
+    arg "^4.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
+ts-protoc-gen@^0.13.0:
+  version "0.13.0"
+  resolved "https://registry.yarnpkg.com/ts-protoc-gen/-/ts-protoc-gen-0.13.0.tgz#2763ae4e4a1a7d7001d53d2f3043357c691701ea"
+  integrity sha512-j18X4rkDBbG/ZHUJy88WFeZP6mStGow5uREaohowlHXTu3/N7WcpyPhb7Vh6wN38ERmc/AkT9gqT98+vtlRhJA==
+  dependencies:
+    google-protobuf "^3.6.1"
+
+tsconfig@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/tsconfig/-/tsconfig-7.0.0.tgz#84538875a4dc216e5c4a5432b3a4dec3d54e91b7"
+  integrity sha512-vZXmzPrL+EmC4T/4rVlT2jNVMWCi/O4DIiSj3UHg1OE5kCKbk4mfrXc6dZksLgRM/TZlKnousKH9bbTazUWRRw==
+  dependencies:
+    "@types/strip-bom" "^3.0.0"
+    "@types/strip-json-comments" "0.0.30"
+    strip-bom "^3.0.0"
+    strip-json-comments "^2.0.0"
+
+tslib@^1.9.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
+  integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
+
+typescript@^3.8.3:
+  version "3.9.7"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
+  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+
+validate-npm-package-license@^3.0.1:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz#fc91f6b9c7ba15c857f4cb2c5defeec39d4f410a"
+  integrity sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==
+  dependencies:
+    spdx-correct "^3.0.0"
+    spdx-expression-parse "^3.0.0"
+
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+  integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
+
+wrap-ansi@^5.1.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-5.1.0.tgz#1fd1f67235d5b6d0fee781056001bfb694c03b09"
+  integrity sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==
+  dependencies:
+    ansi-styles "^3.2.0"
+    string-width "^3.0.0"
+    strip-ansi "^5.0.0"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  integrity sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=
+
+xtend@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
+  integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==
+
+y18n@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
+  integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
+
+yargs-parser@^13.1.2:
+  version "13.1.2"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-13.1.2.tgz#130f09702ebaeef2650d54ce6e3e5706f7a4fb38"
+  integrity sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==
+  dependencies:
+    camelcase "^5.0.0"
+    decamelize "^1.2.0"
+
+yargs@^13.3.0:
+  version "13.3.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-13.3.2.tgz#ad7ffefec1aa59565ac915f82dccb38a9c31a2dd"
+  integrity sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==
+  dependencies:
+    cliui "^5.0.0"
+    find-up "^3.0.0"
+    get-caller-file "^2.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^2.0.0"
+    set-blocking "^2.0.0"
+    string-width "^3.0.0"
+    which-module "^2.0.0"
+    y18n "^4.0.0"
+    yargs-parser "^13.1.2"
+
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
+  integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==