@wanderxjtu/homebridge-yeelighter/dist/discovery.js

Yeelight support for Homebridge with particular support of ceiling lights

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Discovery = void 0;
const node_events_1 = require("node:events");
const node_dgram_1 = __importDefault(require("node:dgram"));
const node_url_1 = __importDefault(require("node:url"));
const yeedevice_1 = require("./yeedevice");
const http_headers_1 = __importDefault(require("http-headers"));
const options = {
    port: 1982,
    multicastAddr: "239.255.255.250",
    discoveryMsg: "M-SEARCH * HTTP/1.1\r\nMAN: \"ssdp:discover\"\r\nST: wifi_bulb\r\n",
};
class Discovery extends node_events_1.EventEmitter {
    constructor() {
        super();
        this.onMessage = (response) => {
            const headers = (0, http_headers_1.default)(response, true);
            const device = { ...yeedevice_1.EMPTY_DEVICEINFO };
            for (const header of Object.keys(headers)) {
                const value = headers[header];
                switch (typeof yeedevice_1.EMPTY_DEVICEINFO[header]) {
                    case "number":
                        device[header] = Number(value);
                        break;
                    case "boolean":
                        device[header] = value === "on";
                        break;
                    case "string":
                        device[header] = value;
                        break;
                    default:
                        // device[header] = value;
                        break;
                }
            }
            if (device.id && device.location && device.id !== "") {
                const parsedUrl = node_url_1.default.parse(device.location);
                device.host = parsedUrl.hostname || "";
                device.port = Number(parsedUrl.port);
                this.emit("didDiscoverDevice", device);
            }
        };
        this.socket = node_dgram_1.default.createSocket({ type: "udp4", reuseAddr: true });
    }
    discover() {
        const buffer = Buffer.from(options.discoveryMsg);
        this.socket.send(buffer, 0, buffer.length, options.port, options.multicastAddr);
    }
    listen() {
        this.socket.on("listening", () => {
            this.discover();
            this.emit("started");
        });
        this.socket.on("message", this.onMessage);
        this.socket.bind(options.port, () => {
            this.socket.setBroadcast(true);
            this.socket.setMulticastTTL(128);
            this.socket.addMembership(options.multicastAddr);
        });
    }
}
exports.Discovery = Discovery;
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