@remote.it/core/lib/UDPListener.js

Core remote.it JavasScript/TypeScript library

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var debug_1 = __importDefault(require("debug"));
var dgram_1 = __importDefault(require("dgram"));
var events_1 = require("events");
var d = debug_1.default('remoteit:UDPListener');
var UDPListener = /** @class */ (function (_super) {
    __extends(UDPListener, _super);
    function UDPListener(port) {
        var _this = _super.call(this) || this;
        _this.port = port;
        _this.handleError = function (err) {
            _this.emit('error', err);
            d("server error:\n" + err.stack);
            _this.close();
        };
        _this.handleMessage = function (msg, rinfo) {
            d("server got: " + msg + " from " + rinfo.address + ":" + rinfo.port);
            _this.emit('message', msg.toString('utf8'));
        };
        _this.handleListening = function () {
            if (!_this.address || typeof _this.address === 'string')
                return;
            d("server listening " + _this.address.address + ":" + _this.address.port);
        };
        _this.server = dgram_1.default.createSocket('udp4');
        _this.server.on('error', _this.handleError);
        _this.server.on('message', _this.handleMessage);
        _this.server.on('listening', _this.handleListening);
        return _this;
    }
    UDPListener.prototype.listen = function () {
        this.server.bind(this.port);
        this.emit('ready');
    };
    UDPListener.prototype.close = function () {
        this.server.close();
        this.emit('closed');
    };
    Object.defineProperty(UDPListener.prototype, "address", {
        get: function () {
            return this.server.address();
        },
        enumerable: true,
        configurable: true
    });
    return UDPListener;
}(events_1.EventEmitter));
exports.UDPListener = UDPListener;
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