node-red-contrib-sacn-in/sacn-in.js

Streaming ACN DMX Input node for Node-RED

module.exports = function(RED){
    var e131 = require('e131');
    function SacnInNode(config){
	RED.nodes.createNode(this, config);
	if(config.universe < 1){
	    config.universe = 1;
	}
	var server = new e131.Server(parseInt(config.universe))
	var node = this;

	node.on('close', ()=>{
	    server._socket.close();
	})

	let timer = null;
	server.on('packet', (packet)=>{
	    const chans = packet.getSlotsData();
	    if(timer == null){
		timer = setTimeout(()=>{
		    node.send({payload: chans}); 
		    timer = null;
		}, (parseInt(config.interval) || 100))
	    }
	})
    }

    RED.nodes.registerType("sacn_in", SacnInNode);
}