GSOC project: #4334 Replace Mongoose with Civetweb

[Joel Sherrill]

On Sun, Mar 21, 2021, 4:45 AM Christian Mauderer <oss at c-mauderer.de> wrote:

> Hello Ayushman,
>
> On 21/03/2021 04:15, Ayushman Mishra wrote:
> > Ayushman
> > Hello everyone , I am very much interested in taking
> > https://devel.rtems.org/ticket/4334
> > as a GSOC 2021 project. I know some basic networking concepts and would
> like to
> > learn more about it and how its applied to OS like RTEMS , regarding
> > this I have some questions.
>
> Note that the ticket will be more about integrating civetweb into a
> RTEMS Source Builder (RSB) recipe and finding a way to make it
> configurable there. Alternative could be some kind of stand alone repo
> like for littlevgl.
>

Making the civitweb configure options available to RTEMS user is a key
point.

It may make sense to do a repo with waf build system and config.ini that
maps to their settings.


> civetweb builds on RTEMS nearly out of the box. So don't expect too much
> C-Code.
>

I set it up recently on Linux for embedding in their application. As you
turned on options, it had more dependencies. This would have to be managed
with RTEMS.


> I'm not yet sure how much work will be on that ticket. If it is too few
> for a whole GSoC, you might want to think about reviving the discussion
> about some useful civetweb parameters (for an embedded system) here:
>
>      https://github.com/civetweb/civetweb/pull/297


+1

How to present the options to the user and manage their dependencies would
be a key part of this.

>
>
>
> >
> > 1. After building a simple hello world application how and where should
> i write
> > configurations of
> >
> https://docs.rtems.org/branches/master/networking/using_networking_rtems_app.html
> > OR
> https://docs.rtems.org/branches/master/user/migration/v4_11-to-v5.html#networking
> > to start using networking stack in RTEMS .
>
> The documentation is currently mostly for the legacy stack. Please
> ignore most of that. You should focus on a BSP that uses libbsd. The
> legacy stack and it's documentation will be removed from the main repos
> soon.
>
> > Also I think a simple shell has to be spawned to use networking modules
> in RTEMS
> > and for getting it this
> >
> https://docs.rtems.org/branches/master/shell/configuration_and_init.html#attached-to-a-serial-port
> > I think could be a simple method and for doing so ( like executing
> > rtems_shell_init with parameters )
> > do i have to run the specific test in testsuite or re-run the application
>
> There is a "mghttpd01" test in rtems-libbsd which is used for the
> current fixed version of mongoose that is integrated in RTEMS. I would
> suggest to use that as a starting point.
>
> >
> > 2. Is there any specific device or bsp needed for running networking
> > or shell configurations
> > with file-system in RTEMS
>
> Basically you can use every BSP that has network support. A good
> simulation BSP where you don't need any hardware is xilinx_zynq_a9_qemu:
>
>
> https://docs.rtems.org/branches/master/user/bsps/bsps-arm.html#debugging-with-xilinx-zynq-a9-qemu
>
> Best Regards
>
> Christian
>
> > I would be very thankful if someone can please clarify my doubts and
> > guide me further
> > with this project as I am getting lost and don't know how to proceed
> > after building a simple application.
> > Thank-you
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> >
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