-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.js
68 lines (56 loc) · 2.14 KB
/
server.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
require('dotenv').config();
const express = require("express");
const cors = require("cors");
const app = express();
const port = process.env.PORT || 8000;
const users = {};
const socketToRoom = {};
app.use(express.json())
app.use(cors())
const server = app.listen(port, () => console.log('server is running on port :'+port));
const io = require("socket.io").listen(server);
io.on('connection', socket => {
socket.on("join room", (roomID,name) => {
if (users[roomID]) {
const length = users[roomID].length;
if (length === 4) {
socket.emit("room full");
return;
}
users[roomID].push({name:name,id:socket.id});
} else {
users[roomID] = [{name:name,id:socket.id}];
}
socketToRoom[socket.id] = roomID;
const usersInThisRoom = users[roomID].filter(user => user.id !== socket.id);
socket.join(roomID);
socket.emit("all users", usersInThisRoom);
console.log("user joined:"+name+" the room:"+roomID)
});
socket.on("sending signal", payload => {
io.to(payload.userToSignal).emit('user joined', { signal: payload.signal, callerID: payload.callerID , name: payload.name});
});
socket.on("returning signal", payload => {
io.to(payload.callerID).emit('receiving returned signal', { signal: payload.signal, id: socket.id ,name: payload.name});
});
socket.on('disconnect', () => {
const roomID = socketToRoom[socket.id];
let roomUsers = users[roomID];
if (roomUsers) {
roomUsers = roomUsers.filter(user => user.id !== socket.id)
users[roomID] = roomUsers
delete socketToRoom[socket.id]
console.log("user left:"+socket.id+" the room:"+roomID)
}
socket.to(roomID).broadcast.emit('user left',socket.id)
socket.leave(roomID)
socket.removeAllListeners();
});
socket.on('message', (payload) => {
const roomID = socketToRoom[socket.id];
socket.to(roomID).emit('createMessage',payload)
});
socket.on('error', function (err) {
console.log(err);
});
});