@mesh-tech/mesh-cli/dist/src/utils/reachability.js

CLI for Mesh platform development utilities

import { createConnection } from "node:net";
export function probeTcpReachable(host, port, timeoutMs = 1500) {
    return new Promise((resolve) => {
        let settled = false;
        const socket = createConnection({ host, port });
        const finish = (ok) => {
            if (settled)
                return;
            settled = true;
            socket.destroy();
            resolve(ok);
        };
        socket.setTimeout(timeoutMs);
        socket.once("connect", () => finish(true));
        socket.once("timeout", () => finish(false));
        socket.once("error", () => finish(false));
    });
}
export function probeConnectionHolds(host, port, timeoutMs = 800, holdMs = 25) {
    return new Promise((resolve) => {
        let settled = false;
        let holdTimer;
        const socket = createConnection({ host, port });
        const finish = (ok) => {
            if (settled)
                return;
            settled = true;
            if (holdTimer)
                clearTimeout(holdTimer);
            socket.destroy();
            resolve(ok);
        };
        socket.setTimeout(timeoutMs);
        socket.once("connect", () => {
            holdTimer = setTimeout(() => finish(true), holdMs);
        });
        socket.once("close", () => finish(false));
        socket.once("timeout", () => finish(false));
        socket.once("error", () => finish(false));
    });
}