@node-pigpio/core/dist/RequestSocket.js

pigpiod client for node.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createRequestSocket = void 0;
const net_1 = __importDefault(require("net"));
const events_1 = require("events");
const PromiseQueue_1 = require("./utils/PromiseQueue");
const Request_1 = require("./Request");
class SocketImpl {
    constructor() {
        this.requestQueue = new PromiseQueue_1.PromiseQueue();
        this.connected = false;
        this.closeHandler = () => {
            this.connected = false;
        };
        this.sock = new net_1.default.Socket();
    }
    async connect(port, host) {
        const { sock } = this;
        sock.connect(port, host);
        sock.once('close', this.closeHandler);
        await events_1.once(sock, 'connect');
        this.connected = true;
        sock.setNoDelay();
    }
    async request(request, timeout) {
        const { sock } = this;
        const promise = Request_1.requestFactory(sock, request, timeout);
        return this.requestQueue.add(promise);
    }
    // eslint-disable-next-line @typescript-eslint/require-await
    async close() {
        this.sock.off('close', this.closeHandler);
        this.connected = false;
        this.sock.destroy();
    }
}
const createRequestSocket = async (port, host) => {
    const sock = new SocketImpl();
    await sock.connect(port, host);
    return sock;
};
exports.createRequestSocket = createRequestSocket;