The application blocks after starting without internet connection

[mendrugory]

I uses Ubuntu 14.04 and ScudCloud always blocks if there is no internet connection at the app's startup time.

[raelgc]

Hi @mendrugory and sorry for the long time to answer you.

This is how the qwebview component works: if no connection, it'll just fail to load the URL after a timeout.

So, an improvement will be required to check when: Slack is not loaded and when the Internet connection changes.

This is a low priority for me now (any help appreciated) and I'll mark it as an improvement.

[rsyring]

I recently had to make some program activity dependent on whether or not the internet was up. I used the following snippet:

def internet_up(host="8.8.8.8", port=53):
    """
        Host: 8.8.8.8 (google-public-dns-a.google.com)
        OpenPort: 53/tcp
        Service: domain (DNS/TCP)
    """
    try:
        with socket.create_connection((host, port), 1):
            return True
    except Exception:
        pass
    return False

Would it be sufficient to put a test like this looped in addWrapper()?

https://github.com/raelgc/scudcloud/blob/a319c48232ea607bc34b0bb85db9b854cea1cea9/scudcloud/scudcloud.py#L112

def addWrapper(url):
    while not internet_up(...):
        time.sleep(20)

[dcheslow]

I have a similar (but different) problem. I sometimes forget to turn my wifi on in the morning. ScudCloud starts up and displays a blank window - this is expected behaviour. I then realize what I have done, shut down ScudCloud and turn the wifi on. Unfortunately, Scudcloud has left an orphaned process that is still blocked and wont restart. If I kill the process ($ sudo pkill scudcloud ) and restart ScudCloud, it works again.