Initial commit

app.js

@@ -0,0 +1,41 @@
+const PORT = process.env.PORT || 8080;
+const PREFIX = process.env.PREFIX || '/ws';
+console.log('Socket.io listen on: http://localhost:' + PORT + '' + PREFIX + '/socket.io');
+console.log('Publisher listen on: http://localhost:' + PORT + '' + PREFIX + '/pub/$roomID');
+
+const app = require('express')();
+const server = require('http').createServer(app);
+const io = require('socket.io')(server, {path: PREFIX + '/socket.io'});
+const bodyParser = require('body-parser');
+
+
+var jsonParser = bodyParser.json();
+
+app.get('/test', function (req, res) {
+  //res.send('<script src="/socket.io/socket.io.js"></script><script>  const socket = io("http://localhost");</script>')
+  res.sendFile(__dirname + '/public/index.html')
+});
+
+app.post('/pub/:roomId', jsonParser, function (req,res) {
+    console.log('publish to ' + req.params.roomId + ' data:');
+    console.log(req.body);
+    io.to(req.params.roomId).emit('data',req.body);
+    res.sendStatus(200);
+});
+
+
+io.on('connection',  function(socket) { 
+    console.log('new user ' + socket.id);
+    if (typeof socket.handshake.query.id !== 'undefined') {
+	const room = socket.handshake.query.id;
+	socket.join(room);
+	console.log('user ' + socket.id + ' joined to room ' + room);
+    }
+    socket.on('disconnect', () => {
+    	    console.log('user ' + socket.id + ' disconnected');
+    });
+});
+
+
+
+server.listen(PORT);