Re: [MirageOS-devel] hdhcpd working.

["Christiano F. Haesbaert" <haesbaert@xxxxxxxxxxxxx>]

So I got it to work :D, I have a working xen image, the unix version
has been serving my home for the past week.

So basically there is:

https://github.com/haesbaert/charrua-core (core server and dhcp logic)
https://github.com/haesbaert/charrua-mirage (a mirage image skeleton,
like the ones in mirage-skeleton)

It needs a lot of polishing now but it should be releasable by in the weekend.

I have this annoying thing with printing under xen:

C.log c (green "listener got packet with %d len\nTESTELALA\nLEROLERO" len);
produces:
listener got packet with 215 len
                                TESTELALA
                                         LEROLERO

TERM is set to screen, but I've tried others too, for the same avail.
The color has nothing to do with it, the effects are the same.
I assume someone experienced this already ?

On 25 August 2015 at 16:11, Christiano F. Haesbaert
<haesbaert@xxxxxxxxxxxxx> wrote:
>
>
> On Wednesday, August 19, 2015, Christiano F. Haesbaert
> <haesbaert@xxxxxxxxxxxxx> wrote:
>>
>> On 18 August 2015 at 11:15, Magnus Skjegstad <magnus@xxxxx> wrote:
>> > On Tue, 18 Aug 2015, at 08:50, Anil Madhavapeddy wrote:
>> >> > * Pass the configuration to the VM somehow, I think I read on the
>> >> > key/value module that converts the file into an ml file, that would
>> >> > be
>> >> > ok.
>> >>
>> >> I need to look up the latest on this, but the OS.Env module should
>> >> do key/value maps via the unikernel command line.  Thomas/Magnus,
>> >> what did you end up deciding to use in Jitsu for unikernel arg parsing?
>> >
>> > I still use mirage-bootvar-xen [0] to pass parameters via the "extra"
>> > option in libxl (or cmdline in libvirt). Eventually it would be great to
>> > be able to use OS.Env + Cmdliner, but it hasn't been implemented yet for
>> > Xen [1] :-)
>> >
>> >
>> > 0. https://github.com/mirage/mirage-bootvar-xen
>> > 1. https://github.com/mirage/mirage-platform/blob/master/xen/lib/env.ml
>>
>> After converting, I guess there won't be any parameters except
>> verbosity to be passed (not considering the interfaces), but I do need
>> to pass the configuration file somehow.
>> Since I'm still not saving the lease database to disk, which I do
>> intend to do with irmin, the only thing I'd need is passing this
>> configuration file.
>
>
> So I released rawlink on opam and hdhcp should work now.
>
> I had started to convert the code to mirage and I have some questions.
>
> How exactly should the distribution be ? Should I release a package in opam
> that exports a "dhcp server module" ? Should I include something like a
> unikernel config.ml skeleton and friends ? Should it be included inside an
> existing mirage library ?
>
> My idea so far was to release hdhcp as a library, having a Dhcp_server
> module, and another package with a mirage usage of this module as a functor.
> Basically it needs to be specialized on how to send/receive packets and
> read/write to disk.
>
> I'm up for suggestions.

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