@iotize/device-com-socket.node/lib/scanner/network-service-discovery.js

Socket communication protocol to communicate with an iotize

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NetworkServiceDiscovery = void 0;
const bonjour_1 = __importDefault(require("bonjour"));
const rxjs_1 = require("rxjs");
const debug_1 = __importDefault(require("../debug"));
const TAG = 'NetworkServiceDiscovery';
/**
 * Scanner to discover Taps on your Network
 */
class NetworkServiceDiscovery {
    constructor(options = { type: 'tapm2m' }, _bonjour = bonjour_1.default({})) {
        this.options = options;
        this._bonjour = _bonjour;
        this._results = new rxjs_1.Subject();
        this._scanning = new rxjs_1.BehaviorSubject(false);
        this._resultCache = [];
    }
    get scanning() {
        return this._scanning.asObservable();
    }
    get isScanning() {
        return this._scanning.value;
    }
    get results() {
        return this._results.asObservable();
    }
    get currentResults() {
        return this._resultCache;
    }
    get services() {
        return this._results.asObservable();
    }
    async start() {
        if (this.isScanning) {
            debug_1.default(TAG, 'already started');
            return;
        }
        this._scanning.next(true);
        this._results.next([...this._resultCache]);
        if (this._browser) {
            this._browser.stop();
        }
        debug_1.default(TAG, 'starting');
        this._browser = this._bonjour.find({ type: this.options.type }, (service) => {
            debug_1.default(TAG, 'new service detected', service);
            this._resultCache.push(service);
            this._results.next([...this._resultCache]);
        });
        // }
        // else {
        //     debug(TAG, 're-starting');
        // }
        this._browser.start();
        // this._browser.addListener('up', (data) => {
        //     console.info('addListener', 'up', data);
        // })
        // this._browser.addListener('down', (data) => {
        //     console.info('addListener', 'up', data);
        // })
        // this._browser.start();
        // this._browser.update();
        return;
    }
    async stop() {
        var _a;
        debug_1.default(TAG, 'stoping');
        this._scanning.next(false);
        this._resultCache = [];
        (_a = this._browser) === null || _a === void 0 ? void 0 : _a.stop();
        this._browser = undefined;
    }
}
exports.NetworkServiceDiscovery = NetworkServiceDiscovery;
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