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

   1 const PORT = process.env.JUNCTION_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.entries(io.in(data.url).sockets).forEach(([peerId, peer]) => {
  24             if (peerId !== me) {
  25                 peer.emit(events.types.ADD_PEER, events.addPeer(me, false));
  26                 socket.emit(events.types.ADD_PEER, events.addPeer(peerId, true));
  27             }
  28         });
  29
  30         socket.join(data.url);
  31         console.log(`[CONNECT] Client ${me} added to room ${data.url}`);
  32     });
  33
  34     socket.on('disconnecting', () => {
  35         const rooms = Object.keys(socket.rooms);
  36         rooms.forEach(room => io.to(room).emit(events.types.REMOVE_PEER, events.removePeer(me)));
  37
  38         console.log(`[DISCONNECT] Client ${me} has disconnected and has been removed from all rooms`);
  39     });
  40
  41     socket.on('relayICECandidate', (data) => {
  42         Object.keys(io.in(data.url).sockets).forEach(peer =>
  43             peer.emit(events.types.ICE_CANDIDATE_RECEIVED, events.ICECandidateReceived(me, data.ice_candidate)));
  44
  45         console.log(`[RELAY_ICE_CANDIDATE] ICE candidate for client ${me} has been relayed to all peers`);
  46     });
  47
  48     socket.on('relaySessionDescription', (data) => {
  49         Object.keys(io.in(data.url).sockets).forEach(peer =>
  50             peer.emit(events.types.SESSION_DESCRIPTION_RECEIVED, events.SessionDescriptionReceived(me, data.session_description)));
  51
  52         console.log(`[RELAY_SESSION_DESCRIPTION] Session description for client ${me} has been relayed to all peers`);
  53     });
  54 });