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server.js
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server.js
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import { createServer } from "http";
import next from "next";
import { parse } from "url";
import { Server } from "socket.io";
const dev = process.env.NODE_ENV !== "production";
const app = next({ dev });
const handle = app.getRequestHandler();
const allowedOrigin = process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3000";
app.prepare().then(() => {
const server = createServer((req, res) => {
const parsedUrl = parse(req.url, true);
handle(req, res, parsedUrl);
});
// Configure Socket.io to allow CORS with the environment variable
const io = new Server(server, {
cors: {
origin: process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3000",
methods: ["GET", "POST"],
credentials: true,
allowUpgrades: true,
},
transports: ["websocket", "polling"], // Ensure both websocket and polling are enabled
});
const sessions = {};
io.on("connection", (socket) => {
socket.on("joinSession", (sessionId) => {
socket.join(sessionId);
if (!sessions[sessionId]) {
sessions[sessionId] = new Set();
}
sessions[sessionId].add(socket.id);
});
socket.on("signal", (message) => {
const { sessionId, data } = message;
console.log(`Signal received from client ${socket.id} for session ${sessionId}:`, data);
socket.to(sessionId).emit("signal", data);
console.log(`Signal forwarded to session ${sessionId}`);
});
socket.on("disconnect", () => {
for (const sessionId in sessions) {
sessions[sessionId].delete(socket.id);
if (sessions[sessionId].size === 0) delete sessions[sessionId];
}
});
});
const port = process.env.PORT || 3000;
server.listen(port, (err) => {
if (err) throw err;
console.log(`> Ready on http://localhost:${port}`);
});
});