Function tcpConnect

packages/cli/tests/e2e/cli-linux-e2e.ts:69–81

(host: string, port: number, timeoutMs: number)

}

function tcpConnect(host: string, port: number, timeoutMs: number): Promise<boolean> {
  return new Promise((res) => {
    const sock = connect({ host, port });
    const done = (ok: boolean) => {
      sock.destroy();
      res(ok);
    };
    sock.setTimeout(timeoutMs);
    sock.once('connect', () => done(true));
    sock.once('timeout', () => done(false));
    sock.once('error', () => done(false));
  });
}

async function tcpReachable(port: number, timeoutMs = 2000): Promise<boolean> {
  const [v4, v6] = await Promise.all([