mole-rpc-transport-tcp/client.js

TCP transport for mole-rpc

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TcpTransportClient = void 0;
const net_1 = require("net");
const split2_1 = __importDefault(require("split2"));
class TcpTransportClient {
    constructor(opts) {
        this.opts = opts;
        this.callback = () => undefined;
    }
    connect() {
        if (!this.connecting) {
            this.connecting = new Promise((resolve, reject) => {
                var _a;
                const socket = net_1.createConnection(this.opts);
                const timer = setTimeout(() => {
                    socket.destroy();
                    reject(new Error("timeout"));
                }, (_a = this.opts.connectTimeout) !== null && _a !== void 0 ? _a : 30000);
                socket.once("connect", () => {
                    clearTimeout(timer);
                    resolve(socket);
                });
                socket.on("error", () => undefined);
                socket.on("close", () => this.connecting = undefined);
                socket.pipe(split2_1.default("\n")).on("data", (line) => this.callback(line));
            });
        }
        return this.connecting;
    }
    onData(callback) {
        this.callback = callback;
    }
    async sendData(data) {
        const socket = await this.connect();
        socket.write(`${data}\n`);
    }
    close() {
        if (!this.connecting) {
            return;
        }
        this.connecting
            .then((socket) => socket.destroy())
            .catch(() => undefined);
    }
}
exports.TcpTransportClient = TcpTransportClient;