@ntrip/caster
Version:
NTRIP caster
82 lines (81 loc) • 2.95 kB
JavaScript
;
/*
* This file is part of the @ntrip/caster distribution (https://github.com/node-ntrip/caster).
* Copyright (c) 2020 Nebojsa Cvetkovic.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.SingleConnectionTransport = exports.Transport = void 0;
const events = require("events");
class Transport extends events.EventEmitter {
/**
* Constructs a new NTRIP transport
*
* @param caster NTRIP manager that initiated this transport
* @param options Options for subclasses
*/
constructor(caster, options) {
super();
this.caster = caster;
this._connections = new Set();
}
get connections() { return this._connections; }
;
/** Closes any established servers and existing connections */
close() {
this._connections.forEach((connection) => connection.close());
}
error(error) {
this.emit('error', error);
this.close();
}
/**
* Makes a connection to the caster
*
* @param params Caster connection parameters, excluding transport
* @throws TODO
*/
connect(params) {
const connection = this.caster.connect({ ...params, transport: this });
this._connections.add(connection);
connection.once('close', () => this._connections.delete(connection));
return connection;
}
/** Returns a description of a specific connection from this transport for use in logging */
connectionDescription(source) {
return source.toString();
}
}
exports.Transport = Transport;
class SingleConnectionTransport extends Transport {
constructor() {
super(...arguments);
this.closeWrapper = () => this.close();
}
get connection() { return this._connection; }
connect(params) {
const connection = super.connect(params);
connection === null || connection === void 0 ? void 0 : connection.once('close', this.closeWrapper);
this._connection = connection;
return connection;
}
close() {
var _a;
(_a = this._connection) === null || _a === void 0 ? void 0 : _a.off('close', this.closeWrapper);
this._connection = undefined;
super.close();
}
}
exports.SingleConnectionTransport = SingleConnectionTransport;