Use cases for dynamically loading/unloading plugins?

[Johan Hedberg <johan.hedberg@xxxxxxxxx>]

Hi,

As you may know recent BlueZ versions (since 3.30) and the upcoming  
4.x branch will use plugins for several different purposes, including  
local bluetooth services (e.g. audio, input, network, etc) which were  
previously implemented as separate processes. For the separate process  
case we had an API for starting and stopping services but currently  
there is no D-Bus methods planned to allow loading or unloading of  
plugins at runtime. Instead, there only is a configuration file (/etc/ 
bluetooth/main.conf added in 3.32) which can be used to specify which  
plugins should not be loaded when hcid starts.

We were today debating with the developers whether it would be useful  
to have a D-Bus API for dynamically loading and unloading of installed  
plugins but couldn't really reach a consensus. Personally I have a  
"gut" feeling that these would be good to have but don't really have a  
really good use case for it. Marcel otoh doesn't feel a need for it  
and won't add the API without good use cases. So, we would like to  
hear any needs (with use cases) that people on this list might have  
for this feature.

Johan

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