128 lines
3.3 KiB
JavaScript
Executable file
128 lines
3.3 KiB
JavaScript
Executable file
#!/usr/bin/env node
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const fs = require('fs');
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const http = require('http');
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const body = require('body-parser');
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const express = require('express');
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const socketio = require('socket.io');
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const program = require('commander');
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const DMX = require('./dmx');
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const A = DMX.Animation;
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program
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.version('0.0.1')
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.option('-c, --config <file>', 'Read config from file [/etc/dmx-web.json]', '/etc/dmx-web.json')
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.parse(process.argv);
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const config = JSON.parse(fs.readFileSync(program.config, 'utf8'));
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function DMXWeb() {
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const app = express();
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const server = http.createServer(app);
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const io = socketio.listen(server);
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const dmx = new DMX(config);
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for (const universe in config.universes) {
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dmx.addUniverse(
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universe,
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config.universes[universe].output.driver,
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config.universes[universe].output.device,
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config.universes[universe].output.options
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);
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}
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const listenPort = config.server.listen_port || 8080;
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const listenHost = config.server.listen_host || '::';
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server.listen(listenPort, listenHost, null, () => {
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if (config.server.uid && config.server.gid) {
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try {
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process.setuid(config.server.uid);
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process.setgid(config.server.gid);
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} catch (err) {
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console.log(err);
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process.exit(1);
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}
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}
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});
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app.use(body.json());
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app.get('/', (req, res) => {
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res.sendFile(__dirname + '/index.html');
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});
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app.get('/config', (req, res) => {
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const response = {'devices': dmx.devices, 'universes': {}};
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Object.keys(config.universes).forEach(key => {
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response.universes[key] = config.universes[key].devices;
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});
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res.json(response);
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});
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app.get('/state/:universe', (req, res) => {
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if (!(req.params.universe in dmx.universes)) {
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res.status(404).json({'error': 'universe not found'});
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return;
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}
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res.json({'state': dmx.universeToObject(req.params.universe)});
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});
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app.post('/state/:universe', (req, res) => {
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if (!(req.params.universe in dmx.universes)) {
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res.status(404).json({'error': 'universe not found'});
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return;
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}
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dmx.update(req.params.universe, req.body);
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res.json({'state': dmx.universeToObject(req.params.universe)});
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});
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app.post('/animation/:universe', (req, res) => {
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try {
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const universe = dmx.universes[req.params.universe];
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// preserve old states
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const old = dmx.universeToObject(req.params.universe);
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const animation = new A();
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for (const step in req.body) {
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animation.add(
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req.body[step].to,
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req.body[step].duration || 0,
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req.body[step].options || {}
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);
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}
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animation.add(old, 0);
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animation.run(universe);
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res.json({'success': true});
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} catch (e) {
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console.log(e);
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res.json({'error': String(e)});
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}
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});
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io.sockets.on('connection', socket => {
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socket.emit('init', {'devices': dmx.devices, 'setup': config});
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socket.on('request_refresh', () => {
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for (const universe in config.universes) {
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socket.emit('update', universe, dmx.universeToObject(universe));
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}
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});
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socket.on('update', (universe, update) => {
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dmx.update(universe, update);
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});
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dmx.on('update', (universe, update) => {
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socket.emit('update', universe, update);
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});
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});
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}
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DMXWeb();
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