Constant disconnecting inside inside browser.

[zygisjas]

Hi.

I have tried to implement this code, but I have strange behavior, when I connect to the AP via phone, in the browser I get "disconnected" each 3 or fewer seconds, and then it reconnects, in the debug serial I just get:

Websocket connected to: 192.168.2.2:55140

after 3 - 5 seconds:

Websocket connected to: 192.168.2.2:55141

and this cycle repeats again.

Is this a normal behavior, how can I keep it without constant disconecting and reconnecting?

[ocrdu]

I can't reproduce this. I'll have another look. Did you make any changes to the code?

[ocrdu]

Did you use "my" WiFiNINA library version or the original one?

[zygisjas]

Did you use "my" WiFiNINA library version or the original one?

Yes, I updated WiFiNINA library with your changes.

I avoided this constant reconnect behavior after commenting following lines inside HTML file:

      // setTimeout(function() {
      //   if (Date.now() - messageTime > 3000 && !called) {
      //     called = true;
      //     document.getElementById("connection").innerHTML = '<p style="color:#F75535;"><svg fill="none" version="1.1" width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="m12 17.435c-0.9281 0-1.68 0.7548-1.68 1.6811 0 0.9262 0.7519 1.6776 1.68 1.6776 0.9274 0 1.68-0.7514 1.68-1.6776 0-0.9263-0.7526-1.6811-1.68-1.6811zm11.744-7.9502c-2.9324-3.4845-7.2128-5.4847-11.743-5.4847-4.5306 0-8.8119 2.0002-11.744 5.4847-0.38904 0.46375-0.32785 1.1548 0.13607 1.5437 0.20274 0.1716 0.45297 0.2565 0.70228 0.2565 0.31416 0 0.62466-0.1315 0.83836-0.388 2.5151-2.9924 6.1827-4.7078 10.068-4.7078 3.8813 0 7.5516 1.7153 10.067 4.7042 0.2137 0.2601 0.5242 0.3916 0.8384 0.3916 0.2493 0 0.4995-0.0849 0.7032-0.2565 0.463-0.3889 0.5242-1.08 0.1351-1.5437zm-11.743-1.1019c-3.2356 0-6.2932 1.4259-8.3872 3.9154-0.38904 0.4638-0.33151 1.1548 0.13242 1.5437 0.20639 0.1716 0.45662 0.2565 0.70594 0.2565 0.3105 0 0.62101-0.1314 0.83836-0.3879 1.6767-1.9938 4.1206-3.1386 6.7105-3.13
      //86 2.59 0 5.0329 1.1448 6.7096 3.1386 0.2183 0.2565 0.5279 0.3879 0.8384 0.3879 0.2502 0 0.4995-0.0812 0.7068-0.2565 0.464-0.3889 0.5242-1.0799 0.1315-1.5437-2.094-2.4894-5.1507-3.9154-8.3863-3.9154zm0 4.3828c-1.9443 0-3.7781 0.8554-5.0338 2.3498-0.38904 0.4601-0.32785 1.1512 0.13516 1.5401 0.20366 0.1752 0.45297 0.2574 0.7032 0.2574 0.31416 0 0.62375-0.1324 0.84201-0.3889 0.83471-0.9987 2.0584-1.5693 3.3534-1.5693s2.5178 0.5706 3.3525 1.5693c0.2183 0.2565 0.5288 0.3889 0.842 0.3889 0.2503 0 0.4996-0.0822 0.7032-0.2574 0.464-0.3889 0.5242-1.08 0.1352-1.5401-1.2557-1.4944-3.0886-2.3498-5.0329-2.3498z" clip-rule="evenodd" fill="#F75535" fill-rule="evenodd"/></svg> Disconnected</p>';
      //     document.getElementById("switch").disabled = true;
      //     document.getElementById("volume").disabled = true;
      //     document.getElementById("cowbell").disabled = true;
      //     document.getElementById("switches").style.opacity = "0.3";
      //     document.getElementById("sliders").style.opacity = "0.3";
      //     document.getElementById("gvalue").innerHTML = "g";
      //     document.getElementById("tvalue").innerHTML = "&#xb0;C";
      //     document.getElementById("switchlabel").style.cursor = "not-allowed";
      //     document.getElementById("volume").style.cursor = "not-allowed";
      //     document.getElementById("cowbell").style.cursor = "not-allowed";
      //     socket.close();
      //   }
      // }, 4000);

[ocrdu]

Yes the code will try to reconnect when it hasn't received anything from the Arduino for a few seconds, assuming the websocket has disconnected. It may be better to send a heartbeat every second to keep checking if the websocket connection is still up instead of disabling this part of the code.