@litert/televoke/lib/transporters/lwdfx/LwDFX.Transporter.js

A simple RPC service framework.

"use strict";
/**
 * Copyright 2025 Angus.Fenying <fenying@litert.org>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.LwDFXTransporter = void 0;
const Shared = require("../../shared");
const node_events_1 = require("node:events");
const PROPERTY_NAMES = ['remoteAddress', 'remotePort', 'localAddress', 'localPort'];
class LwDFXTransporter extends node_events_1.EventEmitter {
    constructor(protocol, _conn) {
        super();
        this.protocol = protocol;
        this._conn = _conn;
        this._conn
            .on('end', () => this.emit('end'))
            .on('finish', () => this.emit('finish'))
            .on('frame', (data) => this.emit('frame', data))
            .on('error', (e) => this.emit('error', e))
            .on('close', () => this.emit('close'));
    }
    destroy() {
        this._conn.destroy();
    }
    getPropertyNames() {
        return PROPERTY_NAMES;
    }
    getAllProperties() {
        return {
            'remoteAddress': this._conn.remoteAddress,
            'remotePort': this._conn.remotePort,
            'localAddress': this._conn.localAddress,
            'localPort': this._conn.localPort,
        };
    }
    getProperty(name) {
        switch (name) {
            case 'localPort':
            case 'localAddress':
            case 'remotePort':
            case 'remoteAddress':
                return this._conn[name];
            default:
                return undefined;
        }
    }
    get writable() {
        return this._conn.connected;
    }
    write(frame) {
        if (!this._conn.writable) {
            throw new Shared.errors.network_error({ reason: 'conn_lost' });
        }
        this._conn.write(frame);
    }
    end() {
        if (this._conn.writable) {
            this._conn.end();
        }
    }
}
exports.LwDFXTransporter = LwDFXTransporter;
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