libwebsockets
Lightweight C library for HTML5 websockets
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Older versions of lws don't attract any new work after they are released (see the release policy for details); for a while they will get backported bugfixes but that's it.
All new work and bugfixes happen on main
branch.
Old, old versions may be convenient for you to use for some reason. But unless you pay for support or have contributed work to lws so we feel we owe you some consideration, nobody else has any reason to particularly care about solving issues on ancient versions. Whereas if the problem exists on main
, and can be reproduced by developers, it usually gets attention, often immediately.
If the problem doesn't exist on main
, you can either use main
or check also the -stable branch of the last released version to see if it was already solved there.
As a library, lws is always just a component in a bigger application.
When users have a problem involving lws, what is happening in the bigger application is usually critical to understand what is going on (and where the solution lies). Sometimes access to the remote peer like server or client is also necessary to provoke the symptom. Sometimes, the problem is in lws, but sometimes the problem is not in lws but in these other pieces.
Many users are able to share their sources, but others decide not to, for presumed "commercial advantage" or whatever. (In any event, it can be painful looking through large chunks of someone else's sources for problems when that is not the library author's responsibility.)
This makes answering questions like "what is wrong with my code I am not going to show you?" or even "what is wrong with my code?" very difficult.
Even if it's clear there is a problem somewhere, it cannot be understood or reproduced by anyone else if it needs user code that isn't provided.
The biggest question is, "is this an lws problem actually"? To solve that the best solution is to strip out all or as much user code as possible, and see if the problem is still coming.
The test server and client, and any more specifically relevant minimal example are extremely useful for sanity checks and debugging guidance.