Re: [mosquitto-dev] Moving away from libwebsockets

[Kurt Van Dijck <dev.kurt@xxxxxxxxxxxxxxxxxxxxxx>]

On Wed, 03 Feb 2021 18:48:27 +0000, Roger Light wrote:
> On Wed, 3 Feb 2021 at 18:13, Greg Troxel <gdt@xxxxxxxxxx> wrote:
> 
> > A library with no releases is a bit concerning; that's a sign about
> > software engineering attitudes that does not engender confidence in the
> > future.  But if it's small, and you add it to the sources and track it
> > manually, that still seems better than rewriting it.
> 
> There are two libraries in question here: picohttpparser and wslay.
> 
> picohttpparser hasn't had its own release, is tiny and I don't think
> there's any need to change it, modulo possibly needing http2 support.
> It is part of the h2o web server. I don't think it has a separate
> release, but is part of the bigger project release. I think it is kept
> as a separate repo to make it easier for others to use.
> 
> wslay has had releases and is fairly widely packaged. It has some
> points I don't like about it, and I'm not sure where it will be in
> five years, but it's good for right now.
> 
> > (And, a library needed by other things isn't as big as it seems, but
> > mosquitto tends to be run on servers that are not doing desktop things.)
> 
> I do have in mind openwrt/yocto installations on tiny devices where
> switching from libwebsockets to picohttpparser+wslay might mean it is
> possible to provide websockets support on systems where is was not
> previously possible, given the reduction in object size.

Having websockets integrated in mosquitto makes adding operator control
in browser really simple.

My smallest 'thing' runs mosquitto+websockets from a 16MB NOR flash.
Size is an argument there.

I see no need for mosquitto to serve static content. busybox httpd
fullfills the need.

Kind regards,
Kurt