67 lines
1.8 KiB
JavaScript
67 lines
1.8 KiB
JavaScript
const express = require('express');
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const app = express();
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const PORT = 5000;
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const http = require('http').Server(app);
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const cors = require('cors');
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const io = require('socket.io')(http, {
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cors: {
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origin: "http://localhost:3000"
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}
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});
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app.use(cors());
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let users = []
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io.on('connection', (socket) => {
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console.log(`🚀: ${socket.id} user just connected!`);
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socket.on("callUser", ({ userToCall, signalData, from }) => {
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console.log("user to call:",userToCall)
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let index = users.findIndex(x =>{
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return x.name === userToCall
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})
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console.log(index)
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if (index >= 0){
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console.log("calling user named "+ users[index].name+" and id "+users[index].id)
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io.to(users[index].id).emit("callUser", { signal: signalData, from });
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}else{
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console.log("There is no user named "+userToCall+" or he/she is offline")
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}
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});
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socket.on("answerCall", (data) => {
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io.to(data.to).emit("callAccepted", data.signal);
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});
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socket.on("newuser", (data) => {
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let index = users.findIndex(x =>{ x.name === data.name})
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if (index >=0){
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console.log("user already exists, but got connected with other id")
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}else{
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users.push(data)
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}
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console.log(data)
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console.log("total users: ", users)
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io.emit('users', users)
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})
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socket.on('disconnect', () => {
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console.log('🔥: A user disconnected');
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let index = users.findIndex(x => x.id === socket.id)
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if (index >= 0){
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let deletedEl = users.splice(index, 1)
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console.log("users deleted", deletedEl)
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console.log("users after disconection: ", users)
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io.emit('users', users)
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}else{
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console.log("couldn't find user with socket id:", socket.id)
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}
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});
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});
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http.listen(PORT, () => {
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console.log(`Server listening on ${PORT}`);
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}); |