Method isPortInUseEx

src/remote/src/tcpportscanner.ts:97–112

* Checks to see if the port is in use by creating a server on that port if a localhost or alias * or try to connect to an existing server. * * If we think it is a localhost, It tries to make sure it and its aliases are all free. For * instance 0.0.0.0, 127.0.0.1, ::1 are true al

(port: number, _host: string)

     * @param host host ip address to use. Ignored. All loopback addresses are checked
     */
    public static isPortInUseEx(port: number, _host: string): Promise<boolean> {
        const tries = TcpPortScanner.getLocalHostAliases();
        const promises = tries.map((host) => TcpPortScanner.isPortInUse(port, host));

        return new Promise(async (resolve, reject) => {
            const results = await Promise.all(promises.map(p => p.then(x => x).catch(e => e)));
            ConsoleLog(`isPortInUseEx: Results ${results}`);
            for (const r of results) {
                if (r !== false) {
                    resolve(true);
                    return;
                }
                resolve(false);
            }
        });
    }

    /**
     * Scan for free ports (no one listening) on the specified host.