digitwin/app.js.save

var http = require('http');
var php = require('php');
var fs = require('fs');
var phpExpress = require('php-express')({
    binPath: 'php'
});
var express = require('express');
var app = express();
var path = require('path');
var server = http.createServer(app);
//var server = http.createServer(php);
//var port = 8000;
var osc = require('osc');
var activeUsers = new Set(); // Active users Set


/////////////////////////////////////////////////////// php
var router = express.Router();
var bodyParser = require('body-parser');

app.use(bodyParser.json());

app.set('port', (process.env.PORT || 8000));

//app.get('/',function(req,res){
//  res.sendFile(path.join(__dirname, 'public', 'index.php'));
//});

app.use('/', express.static(__dirname));
app.set('public', path.join(__dirname, '/public'));
app.engine('php', phpExpress.engine);
app.set('view engine', 'php');

app.all(/.+\.php$/, phpExpress.router);

app.use(function (req, res, next) {
    res.status(404).send("Sorry can't find that!")
});

app.listen(app.get('port'), function() {
    console.log('Node app is running on port', app.get('port'));
});



//server.listen(port, () => {
//  console.log("Server is listening at port %d", port);
//});

//app.use(express.static(path.join(__dirname, "public")));
//app.use(express.static('public'));


//var server = app.listen(8000, function() {
//    console.log('listening on requests on port 8000');
//});
//
//app.get('/',function(req,res){
//  res.sendFile(path.join(__dirname, 'public', 'index.php'));
//});

//app.set('views', __dirname+'public');
//app.engine('php', phpExpress.engine);

//app.all('/index.php', function(req, res) {
//   res.render('phpinfo');
//})
//app.all(/.+\.php$/, phpExpress.router);

//Static files
//app.use(express.static('public'));

////////////////////////////////////////////////////////////


var udpPort = new osc.UDPPort({
  // This is the port we're listening on.
  localAddress: "0.0.0.0",
  localPort: 57121,

  // This is where sclang is listening for OSC messages.
  remoteAddress: "192.168.2.15", //this is the hamsters ip
  remotePort: 8080, //this is the hamsters port :*s
  metadata: true
});

// Open the socket.
udpPort.open();

const { SerialPort } = require('serialport')
const { ReadlineParser } = require('@serialport/parser-readline')
const sport = new SerialPort({ path: '/dev/ttyACM0', baudRate: 115200 })

const parser = sport.pipe(new ReadlineParser({ delimiter: '\r\n' }))

//server.listen(port, () => {
//  console.log("Server is listening at port %d", port);
//});

//app.use(express.static(path.join(__dirname, "public")));
//app.use(express.static('public'));


var io = require('socket.io')(server);

io.on('connection', function(socket) {
  console.log("new user online!");

  // Add the new socket ID to the activeUsers Set
  activeUsers.add(socket.id);

  // Emit the updated activeUsers Set to all connected clients
  io.emit('activeUsers', Array.from(activeUsers));

  parser.on('data', function(data) {
    const msg = data.split(' ');
    console.log(msg[0], msg[1]);
    io.emit('node-data', data);
  });

  socket.on("blink", () => {
    console.log("Blink event received!");
    io.emit("blink"); // Emit the "blink" event to all connected clients
  });

  socket.on('chat message', (msg) => {
    console.log('[user][' + socket.id + '][' + msg + ']');
    socket.broadcast.emit('chat message', msg);

    var oscmsg = {
      address: "/silentserver",
      args: [
           {
               type: "s",
               value: socket.id
           },
          {
              type: "s",
              value: msg
          }
        ]
    };

    udpPort.send(oscmsg);
  });

  socket.on('userposition', (msg) => {
    console.log('[user][' + socket.id + '][position: ' + msg[0] + ',' + msg[1] + ']');
    socket.to('expo').emit(socket.id, msg);
  });

  // Handle disconnection event
  socket.on('disconnect', () => {
    console.log("new user online:", socket.id);

    // Remove the disconnected socket ID from the activeUsers Set
    activeUsers.delete(socket.id);

    // Emit the updated activeUsers Set to all connected clients
    io.emit('activeUsers', Array.from(activeUsers));
  });
});