digitwin/app.js

const http = require('http');
const fs = require('fs');
const express = require('express');
const app = express();
const path = require('path');
const server = http.createServer(app);
const port = 8000;
const osc = require('osc');
const io = require('socket.io')(server);

const udpPort = new osc.UDPPort({
  localAddress: "0.0.0.0",
  localPort: 57121,
  remoteAddress: "192.168.2.5",
  remotePort: 8080,
  metadata: true
});

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

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

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

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

  socket.on('disconnect', () => {
    console.log("User disconnected");
  });

  socket.on('userposition', (msg) => {
    console.log('[user][' + socket.id + '][position: ' + msg[0] + ',' + msg[1] + ']');
    // Assuming you want to emit to all connected clients except the sender
    socket.broadcast.emit('userposition', msg);
  });

  socket.on('name', (msg) => {
    console.log("[name][" + socket.id + "][" + msg + "]");
    // You can handle name storage or broadcasting here
  });
});

// Your POST endpoints
app.post('/hamp-off', (req, res) => {
  console.log('off received');
  var hampctrl = {
    address: "/silentserver",
    args: [{
      type: "s",
      value: "off"
    }]
  };

  udpPort.send(hampctrl);

  // Send a response back to the client
  res.status(200).send("OSC message sent");
});

app.post('/hamp-on', (req, res) => {
  console.log('on received');
  var hampctrl = {
    address: "/silentserver",
    args: [{
      type: "s",
      value: "comp"
    }]
  };

  udpPort.send(hampctrl);

  // Send a response back to the client
  res.status(200).send("OSC message sent");
});

// Assuming you want to handle parser here, uncomment if needed
// 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' }));

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

// Assuming you want to handle OSC message here, uncomment if needed
// udpPort.on("message", function (oscMsg, timeTag, info) {
//   io.emit('osc-data', oscMsg);
// });

// Handle disconnection event if needed
// io.on('disconnect', () => {
//   console.log("User disconnected");
// });