Files
topos/ToposServer/ToposToOSC.js
2023-12-04 18:35:36 +01:00

84 lines
2.1 KiB
JavaScript

const WebSocket = require("ws");
const osc = require("osc");
// Listening to WebSocket messages
const wss = new WebSocket.Server({ port: 3000 });
// Setting up for message broadcasting
wss.on("connection", function (ws) {
console.log("> Client connected");
ws.on("message", function (data) {
try {
const message = JSON.parse(data);
sendOscMessage(
formatAndTypeMessage(message),
message.address,
message.port,
);
console.log(
`> Message sent to ${message.address}:${message.port}: ${JSON.stringify(
message.args,
)}`,
);
} catch (error) {
console.error("> Error processing message:", error);
}
});
});
wss.on("error", function (error) {
console.error("> Server error:", error);
});
wss.on("close", function () {
// Close the websocket server
wss.close();
console.log("> Closing websocket server");
});
let udpPort = new osc.UDPPort({
localAddress: "0.0.0.0",
localPort: 3000,
metadata: true,
remoteAddress: "0.0.0.0",
remotePort: 57120,
});
udpPort.on("error", function (error) {
console.error("> UDP Port error:", error);
});
udpPort.on("ready", function () {
//console.log(`> UDP Receive: ${udpPort.options.localPort}`);
console.log("> WebSocket server: 127.0.0.1:3000");
});
udpPort.open();
function sendOscMessage(message, address, port) {
try {
udpPort.options.remotePort = port;
message.address = address;
udpPort.send(message);
} catch (error) {
console.error("> Error sending OSC message:", error);
}
}
const formatAndTypeMessage = (message) => {
let newMessage = {};
delete message.args["address"];
delete message.args["port"];
newMessage.address = message.address;
newMessage.timestamp = osc.timeTag(message.timetag);
args = [...Object.entries(message.args)].flat().map((arg) => {
if (typeof arg === "string") return { type: "s", value: arg };
if (typeof arg === "number") return { type: "f", value: arg };
if (typeof arg === "boolean")
return value ? { type: "s", value: 1 } : { type: "s", value: 0 };
});
newMessage.args = args;
return newMessage;
};