8000 It looks like connections are not being closed · Issue #938 · h2zero/NimBLE-Arduino · GitHub
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rovale opened this issue Apr 20, 2025 · 2 comments
Closed

It looks like connections are not being closed #938

rovale opened this issue Apr 20, 2025 · 2 comments

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@rovale
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rovale commented Apr 20, 2025 •
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Good morning! Thank you so much for this library. It is getting better every time and I really appreciate all the improvements in v2. The support you provide is so helpful, too! :-)

I am using this library to read advertisement data from sensors and to allow my device to be controlled with a mobile app. What I notice, and it is quite hard to reproduce, is that connections are not always closed. Maybe it is better to say cleaned up, because in this case it is about one mobile phone connecting to the device.

This graph shows the result of NimBLEDevice::getServer()->getConnectedCount():
Image

At one point the device runs into the configured limit of 3 of CONFIG_BT_NIMBLE_MAX_CONNECTIONS and as a result the device would not allow new connections.

Did you ever run into this before? Maybe some things for me to check?

Thanks in advance!
@h2zero
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h2zero commented Apr 20, 2025

Hello @rovale this is an issue that has been brought up quite a bit lately, unfortunately I have not found a solution yet. Please see these threads:

#917
h2zero/esp-nimble-cpp#320

@rovale
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rovale commented Apr 20, 2025

Thank you! I didn't realize they are related. I will keep a close eye on it.

@rovale rovale closed this as completed Apr 20, 2025
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