git.r.bdr.sh - rbdr/junction/blob - server/index.js

   1 const PORT = 8000;
   2
   3 const express = require('express');
   4 const http = require('http');
   5 const main = express();
   6 const server = http.createServer(main);
   7 const io  = require('socket.io').listen(server);
   8 const events = require('./events');
   9
  10 server.listen(PORT, null, function() {
  11     console.log("Listening on port " + PORT);
  12 });
  13
  14 const sockets = {};
  15
  16 io.sockets.on('connection', (socket) => {
  17     sockets[socket.id] = socket;
  18     const me = socket.id;
  19
  20     console.log(`[CONNECT] New client connected with ID ${me}`);
  21
  22     socket.on('join', (data) => {
  23         Object.keys(io.in(data.url).sockets).forEach(peer => {
  24             peer.emit(events.types.ADD_PEER, events.addPeer(me, false));
  25             socket.emit(events.types.ADD_PEER, events.addPeer(peer, true));
  26         });
  27
  28         socket.join(data.url);
  29         console.log(`[CONNECT] Client ${me} added to room ${data.url}`);
  30     });
  31
  32     socket.on('disconnecting', () => {
  33         const rooms = Object.keys(socket.rooms);
  34         rooms.forEach(room => io.to(room).emit(events.types.REMOVE_PEER, events.removePeer(me)));
  35
  36         console.log(`[DISCONNECT] Client ${me} has disconnected and has been removed from all rooms`);
  37     });
  38
  39     socket.on('relayICECandidate', (data) => {
  40         Object.keys(io.in(data.url).sockets).forEach(peer =>
  41             peer.emit(events.types.ICE_CANDIDATE_RECEIVED, events.ICECandidateReceived(me, data.ice_candidate)));
  42
  43         console.log(`[RELAY_ICE_CANDIDATE] ICE candidate for client ${me} has been relayed to all peers`);
  44     });
  45
  46     socket.on('relaySessionDescription', (data) => {
  47         Object.keys(io.in(data.url).sockets).forEach(peer =>
  48             peer.emit(events.types.SESSION_DESCRIPTION_RECEIVED, events.SessionDescriptionReceived(me, data.session_description)));
  49
  50         console.log(`[RELAY_SESSION_DESCRIPTION] Session description for client ${me} has been relayed to all peers`);
  51     });
  52 });