Kraut.World/server
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David Négrier 2020-05-03 17:47:54 +02:00
commit 9c32c930a0
12 changed files with 374 additions and 343 deletions
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170
back/src/Controller/IoSocketController.ts
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@ -8,26 +8,29 @@ import {SECRET_KEY, MINIMUM_DISTANCE, GROUP_RADIUS} from "../Enum/EnvironmentVar
import {ExtRooms, RefreshUserPositionFunction} from "../Model/Websocket/ExtRoom";
import {ExtRoomsInterface} from "../Model/Websocket/ExtRoomsInterface";
import {World} from "../Model/World";
import { uuid } from 'uuidv4';
import {Group} from "_Model/Group";
enum SockerIoEvent {
CONNECTION = "connection",
DISCONNECTION = "disconnect",
DISCONNECT = "disconnect",
JOIN_ROOM = "join-room",
USER_POSITION = "user-position",
WEBRTC_SIGNAL = "webrtc-signal",
WEBRTC_OFFER = "webrtc-offer",
WEBRTC_START = "webrtc-start",
WEBRTC_DISCONNECT = "webrtc-disconect",
MESSAGE_ERROR = "message-error",
}
export class IoSocketController{
export class IoSocketController {
Io: socketIO.Server;
World: World;
constructor(server : http.Server) {
constructor(server: http.Server) {
this.Io = socketIO(server);
// Authentication with token. it will be decoded and stored in the socket.
this.Io.use( (socket: Socket, next) => {
this.Io.use((socket: Socket, next) => {
if (!socket.handshake.query || !socket.handshake.query.token) {
return next(new Error('Authentication error'));
}
@ -44,15 +47,15 @@ export class IoSocketController{
this.shareUsersPosition();
//don't send only function because the context will be not this
this.World = new World((user1 : string, user2 : string) => {
this.connectedUser(user1, user2);
}, (user1 : string, user2 : string) => {
this.disConnectedUser(user1, user2);
this.World = new World((user1: string, group: Group) => {
this.connectedUser(user1, group);
}, (user1: string, group: Group) => {
this.disConnectedUser(user1, group);
}, MINIMUM_DISTANCE, GROUP_RADIUS);
}
ioConnection() {
this.Io.on(SockerIoEvent.CONNECTION, (socket: Socket) => {
this.Io.on(SockerIoEvent.CONNECTION, (socket: Socket) => {
/*join-rom event permit to join one room.
message :
userId : user identification
@ -61,9 +64,9 @@ export class IoSocketController{
x: user x position on map
y: user y position on map
*/
socket.on(SockerIoEvent.JOIN_ROOM, (message : string) => {
socket.on(SockerIoEvent.JOIN_ROOM, (message: string) => {
let messageUserPosition = this.hydrateMessageReceive(message);
if(messageUserPosition instanceof Error){
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}))
}
@ -77,14 +80,12 @@ export class IoSocketController{
this.saveUserInformation((socket as ExSocketInterface), messageUserPosition);
//add function to refresh position user in real time.
let rooms = (this.Io.sockets.adapter.rooms as ExtRoomsInterface);
rooms.refreshUserPosition = RefreshUserPositionFunction;
rooms.refreshUserPosition(rooms, this.Io);
this.refreshUserPosition();
socket.to(messageUserPosition.roomId).emit(SockerIoEvent.JOIN_ROOM, messageUserPosition.toString());
});
socket.on(SockerIoEvent.USER_POSITION, (message : string) => {
socket.on(SockerIoEvent.USER_POSITION, (message: string) => {
let messageUserPosition = this.hydrateMessageReceive(message);
if (messageUserPosition instanceof Error) {
return socket.emit(SockerIoEvent.MESSAGE_ERROR, JSON.stringify({message: messageUserPosition.message}));
@ -97,30 +98,39 @@ export class IoSocketController{
this.saveUserInformation((socket as ExSocketInterface), messageUserPosition);
//refresh position of all user in all rooms in real time
let rooms = (this.Io.sockets.adapter.rooms as ExtRoomsInterface);
if(!rooms.refreshUserPosition){
rooms.refreshUserPosition = RefreshUserPositionFunction;
}
rooms.refreshUserPosition(rooms, this.Io);
this.refreshUserPosition();
});
socket.on(SockerIoEvent.WEBRTC_SIGNAL, (message : string) => {
let data : any = JSON.parse(message);
socket.on(SockerIoEvent.WEBRTC_SIGNAL, (message: string) => {
let data: any = JSON.parse(message);
//send only at user
let client = this.searchClientById(data.receiverId);
if (!client) {
console.error("client doesn't exist for ", data.receiverId);
return;
}
return client.emit(SockerIoEvent.WEBRTC_SIGNAL, message);
});
socket.on(SockerIoEvent.WEBRTC_OFFER, (message: string) => {
let data: any = JSON.parse(message);
//send only at user
let clients: Array<any> = Object.values(this.Io.sockets.sockets);
for(let i = 0; i < clients.length; i++){
let client : ExSocketInterface = clients[i];
if(client.userId !== data.receiverId){
continue
}
client.emit(SockerIoEvent.WEBRTC_SIGNAL, message);
break;
let client = this.searchClientById(data.receiverId);
if (!client) {
console.error("client doesn't exist for ", data.receiverId);
return;
}
client.emit(SockerIoEvent.WEBRTC_OFFER, message);
});
socket.on(SockerIoEvent.DISCONNECTION, (reason : string) => {
socket.on(SockerIoEvent.DISCONNECT, () => {
let Client = (socket as ExSocketInterface);
this.sendDisconnectedEvent(Client);
//refresh position of all user in all rooms in real time
this.refreshUserPosition();
//leave group of user
this.World.leave(Client);
@ -138,13 +148,39 @@ export class IoSocketController{
});
}
/**
*
* @param userId
*/
searchClientById(userId: string): ExSocketInterface | null {
let clients: Array<any> = Object.values(this.Io.sockets.sockets);
for (let i = 0; i < clients.length; i++) {
let client: ExSocketInterface = clients[i];
if (client.userId !== userId) {
continue
}
return client;
}
return null;
}
/**
*
* @param Client: ExSocketInterface
*/
sendDisconnectedEvent(Client: ExSocketInterface) {
Client.broadcast.emit(SockerIoEvent.WEBRTC_DISCONNECT, JSON.stringify({
userId: Client.userId
}));
}
/**
*
* @param socket
* @param roomId
*/
joinWebRtcRoom(socket : ExSocketInterface, roomId : string) {
if(socket.webRtcRoomId === roomId){
joinWebRtcRoom(socket: ExSocketInterface, roomId: string) {
if (socket.webRtcRoomId === roomId) {
return;
}
socket.join(roomId);
@ -175,27 +211,36 @@ export class IoSocketController{
}
//permit to save user position in socket
saveUserInformation(socket : ExSocketInterface, message : MessageUserPosition){
saveUserInformation(socket: ExSocketInterface, message: MessageUserPosition) {
socket.position = message.position;
socket.roomId = message.roomId;
socket.userId = message.userId;
}
refreshUserPosition() {
//refresh position of all user in all rooms in real time
let rooms = (this.Io.sockets.adapter.rooms as ExtRoomsInterface);
if (!rooms.refreshUserPosition) {
rooms.refreshUserPosition = RefreshUserPositionFunction;
}
rooms.refreshUserPosition(rooms, this.Io);
}
//Hydrate and manage error
hydrateMessageReceive(message : string) : MessageUserPosition | Error{
hydrateMessageReceive(message: string): MessageUserPosition | Error {
try {
return new MessageUserPosition(JSON.parse(message));
}catch (err) {
} catch (err) {
//TODO log error
return new Error(err);
}
}
/** permit to share user position
** users position will send in event 'user-position'
** The data sent is an array with information for each user :
[
{
** users position will send in event 'user-position'
** The data sent is an array with information for each user :
[
{
userId: <string>,
roomId: <string>,
position: {
@ -204,25 +249,26 @@ export class IoSocketController{
direction: <string>
}
},
...
]
...
]
**/
seTimeOutInProgress : any = null;
shareUsersPosition(){
if(this.seTimeOutInProgress){
seTimeOutInProgress: any = null;
shareUsersPosition() {
if (this.seTimeOutInProgress) {
clearTimeout(this.seTimeOutInProgress);
}
//send for each room, all data of position user
let arrayMap = (this.Io.sockets.adapter.rooms as ExtRooms).userPositionMapByRoom;
if(!arrayMap){
if (!arrayMap) {
this.seTimeOutInProgress = setTimeout(() => {
this.shareUsersPosition();
}, 10);
return;
}
arrayMap.forEach((value : any) => {
arrayMap.forEach((value: any) => {
let roomId = value[0];
this.Io.in(roomId).emit('user-position', JSON.stringify(arrayMap));
this.Io.in(roomId).emit(SockerIoEvent.USER_POSITION, JSON.stringify(arrayMap));
});
this.seTimeOutInProgress = setTimeout(() => {
this.shareUsersPosition();
@ -230,24 +276,20 @@ export class IoSocketController{
}
//connected user
connectedUser(user1 : string, user2 : string){
/* TODO manager room and group user to enter and leave */
let roomId = uuid();
let clients : Array<any> = Object.values(this.Io.sockets.sockets);
let User1 = clients.find((user : ExSocketInterface) => user.userId === user1);
let User2 = clients.find((user : ExSocketInterface) => user.userId === user2);
if(User1) {
this.joinWebRtcRoom(User1, roomId);
}
if(User2) {
this.joinWebRtcRoom(User2, roomId);
connectedUser(userId: string, group: Group) {
let Client = this.searchClientById(userId);
if (!Client) {
return;
}
this.joinWebRtcRoom(Client, group.getId());
}
//connected user
disConnectedUser(user1 : string, user2 : string){
console.log("disConnectedUser => user1", user1);
console.log("disConnectedUser => user2", user2);
disConnectedUser(userId: string, group: Group) {
let Client = this.searchClientById(userId);
if (!Client) {
return;
}
this.sendDisconnectedEvent(Client)
}
}