node-red-contrib-vban/build/lib/Receiver.js

Nodes to interact with vban protocol

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Receiver = void 0;
const Security_1 = require("./Security");
const events_1 = require("events");
class Receiver extends events_1.EventEmitter {
    constructor(server, opts = {}) {
        super();
        this.server = server;
        this.messageHandler = (packet, sender) => {
            try {
                if (this.subProtocolFilter && !this.subProtocolFilter.includes(packet.subProtocol)) {
                    return;
                }
                if (this.security && !this.security.check(sender.address)) {
                    return;
                }
                if (this.streamName && this.streamName != packet.streamName) {
                    return;
                }
                this.emit('message', packet, sender);
            }
            catch (e) {
                this.emit('error', e);
            }
        };
        if (opts.allowedIps) {
            this.security = new Security_1.Security(opts.allowedIps);
        }
        if (opts.subProtocol) {
            this.subProtocolFilter = Array.isArray(opts.subProtocol) ? opts.subProtocol : [opts.subProtocol];
        }
        if (opts.streamName) {
            this.streamName = opts.streamName;
        }
        this.server.on('message', this.messageHandler);
    }
}
exports.Receiver = Receiver;