Inject script only once

[rbdr/junction] / server / index.js

diff --git a/server/index.js b/server/index.js
index 0cfef25c7346f741e20ac2a6b50c814256469719..e60795f8543e470edef67051d90d25e3484876f6 100644 (file)
--- a/server/index.js
+++ b/server/index.js
@@ -1,49 +1,56 @@
-const PORT = 8000;
+import { Server } from "socket.io";
+import { port } from "./config.js";
+import * as events from "./events.js";
 
-const express = require('express');
-const http = require('http');
-const main = express();
-const server = http.createServer(main);
-const io  = require('socket.io').listen(server);
-const events = require('./events');
+const server = new Server(port);
+console.debug(`Listening on port ${port}`);
 
-server.listen(PORT, null, function() {
-    console.log("Listening on port " + PORT);
-});
-
-const sockets = {};
-
-io.sockets.on('connection', (socket) => {
-    sockets[socket.id] = socket;
-    const me = socket.id;
-
-    console.log(`[CONNECT] New client connected with ID ${me}`);
-
-    socket.on('join', (data) => {
-        socket.join(data.url);
-        Object.keys(io.in(data.url).sockets).forEach(peer => peer.emit(events.types.ADD_PEER, events.addPeer(me, peer.id === me)));
+const rooms = {};
 
-        console.log(`[CONNECT] Client ${me} added to room ${data.url}`);
-    });
+server.on(events.types.CONNECTION, (socket) => {
+  const me = socket.id;
 
-    socket.on('disconnecting', () => {
-        const rooms = Object.keys(socket.rooms);
-        rooms.forEach(room => io.to(room).emit(events.types.REMOVE_PEER, events.removePeer(me)));
+  console.debug(`[CONNECT] New client connected with ID ${me}`);
 
-        console.log(`[DISCONNECT] Client ${me} has disconnected and has been removed from all rooms`);
-    });
+  socket.on(events.types.JOIN, async ({ room }) => {
+    socket.join(room);
 
-    socket.on('relayICECandidate', (data) => {
-        Object.keys(io.in(data.url).sockets).forEach(peer =>
-            peer.emit(events.types.ICE_CANDIDATE_RECEIVED, events.ICECandidateReceived(me, data.ice_candidate)));
+    if (!rooms[room]) {
+      rooms[room] = [];
+    }
 
-        console.log(`[RELAY_ICE_CANDIDATE] ICE candidate for client ${me} has been relayed to all peers`);
-    });
+    rooms[room].push(socket.id);
 
-    socket.on('relaySessionDescription', (data) => {
-        Object.keys(io.in(data.url).sockets).forEach(peer =>
-            peer.emit(events.types.SESSION_DESCRIPTION_RECEIVED, events.SessionDescriptionReceived(me, data.session_description)));
-
-        console.log(`[RELAY_SESSION_DESCRIPTION] Session description for client ${me} has been relayed to all peers`);
+    const sockets = await server.in(room).fetchSockets();
+    sockets.forEach((peer) => {
+      if (peer.id !== me) {
+        events.addPeer(me, false)(peer);
+        events.addPeer(peer.id, true)(socket);
+      }
     });
-});
\ No newline at end of file
+  });
+
+  socket.on(events.types.DISCONNECTING, () => {
+    for (const room in rooms) {
+      if (rooms[room].includes(me)) {
+        rooms[room] = rooms[room].filter((id) => id !== me);
+        events.removePeer(me)(socket.to(room));
+        if (rooms[room].length === 0) {
+          delete rooms[room];
+        }
+      }
+    }
+  });
+
+  socket.on(events.types.RELAY_ICE_CANDIDATE, async ({ candidate, peerId }) => {
+    events.ICECandidateReceived(me, candidate)(socket.to(peerId));
+  });
+
+  socket.on(events.types.RELAY_OFFER, async ({ offer, peerId }) => {
+    events.offerReceived(me, offer)(socket.to(peerId));
+  });
+
+  socket.on(events.types.RELAY_ANSWER, async ({ answer, peerId }) => {
+    events.answerReceived(me, answer)(socket.to(peerId));
+  });
+});