Hi!
Am 03.08.20 um 07:49 schrieb Rafał Miłecki:
> On 31.07.2020 13:02, Andre Valentin wrote:
>> this is really great stuff. It would help me to get forward with my wifi
>> controller.
>> Could it be possible to subsribe to multiple sources to limit the
>> connections to ubus?
>> 2 SSIDs with 2.4 ad 5GHz would me 4 concurrent channels if I understand
>> right.
>
> I'm happy someone finds it useful!
>
> If you mean hostapd.* objects, that's right. That would require you to
> use:
> /ubus/subscribe/hostapd.wlan0
> /ubus/subscribe/hostapd.wlan0-1
> /ubus/subscribe/hostapd.wlan1
> /ubus/subscribe/hostapd.wlan1-1
>
> For subscribing to multiple objects we would need to:
> 1. Stick to GET due to the way EventSource works
> 2. Pick some more generic URL
> 3. Adjust output format ("event" and "data" fields)
>
> So my guess would be something like:
>
> $ curl http://192.168.1.1/ubus/subscribe?path=hostapd.wlan0&path=hostapd.wlan1
Good idea!
> event: hostapd.wlan1 status
> data: {"count":5}
>
> event: hostapd.wlan0-1 status
> data: {"count":5}
>
> event: hostapd.wlan1 status
> data: {"count":7}
>
>
> Regarding parsing events stream, event names with spaces seem to be OK:
> https://html.spec.whatwg.org/multipage/server-sent-events.html#parsing-an-event-stream
> field value can use any scalar value other than line break char.
Why do you need the status there, is it part of the standard?
> We should use some special character as separator of object name and
> notification name. It must be something that ubus doesn't use in any of
> them. Should space be OK? Or should we use some more fancy char? I
> quickly tested space and it seems to work well in Firefox and Chromium.
Oh, I'm nut sure. But I think space is fine.
Did you use a special uhttpd version. I couldn't apply your patch to the uhttpd
in openwrt master.
Kind regards,
André
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