103 lines
2.6 KiB
JavaScript
103 lines
2.6 KiB
JavaScript
const WebSocket = require("ws");
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const osc = require("osc");
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var pjson = require('./package.json');
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let banner = `
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┏┳┓ ┏┓┏┓┏┓
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┃ ┏┓┏┓┏┓┏ ┃┃┗┓┃
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┻ ┗┛┣┛┗┛┛ ┗┛┗┛┗┛
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┛
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${pjson.version}\n`
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console.log(banner)
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console.log("Listening to: ws://localhost:3000. Open Topos.\n");
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// Listening to WebSocket messages
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const wss = new WebSocket.Server({ port: 3000 });
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// Setting up for message broadcasting
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wss.on("connection", function (ws) {
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console.log("> Client connected");
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ws.on("message", function (data) {
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try {
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const message = JSON.parse(data);
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sendOscMessage(
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formatAndTypeMessage(message),
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message.address,
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message.port
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);
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console.log(`> Message sent to ${message.address}:${message.port}: ${JSON.stringify(message.args)}`)
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} catch (error) {
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console.error("> Error processing message:", error);
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}
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});
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});
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wss.on("error", function (error) {
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console.error("> Server error:", error);
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})
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wss.on("close", function () {
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// Close the websocket server
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wss.close();
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console.log("> Closing websocket server")
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});
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// Setting up for OSC messages
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let udpPort = new osc.UDPPort({
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localAddress: "0.0.0.0",
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localPort: 3000,
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metadata: true,
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remoteAddress: "0.0.0.0",
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remotePort: 57120,
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});
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udpPort.on("error", function (error) {
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console.error("> UDP Port error:", error);
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});
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udpPort.on("ready", function () {
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console.log(`> UDP Port opened on port ${udpPort.options.localPort}`);
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});
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udpPort.open();
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function sendOscMessage(message, address, port) {
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try {
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udpPort.options.remotePort = port
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message.address = address;
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udpPort.send(message);
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} catch (error) {
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console.error("> Error sending OSC message:", error);
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}
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}
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const formatAndTypeMessage = (message) => {
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let newMessage = {};
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delete message.args['address'];
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delete message.args['port'];
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newMessage.address = message.address;
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newMessage.timestamp = osc.timeTag(message.timetag);
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args = [...Object.entries(message.args)].flat().map((arg) => {
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if (typeof arg === 'string')
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return {type: 's', value: arg};
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if (typeof arg === 'number')
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return {type: 'f', value: arg};
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if (typeof arg === 'boolean')
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return value ? {type: 's', value: 1} : {type: 's', value: 0};
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})
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newMessage.args = args
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return newMessage;
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}
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// console.log(formatAndTypeMessage({
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// address: '/baba',
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// port: 2000,
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// args: { s: 'fhardkick', dur: 0.5, port: 2000, address: 'baba' },
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// timetag: 1701696184583
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// }))
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