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Date: Thu, 06 Feb 2014 13:42:07 +0100
From: Antonio Quartulli <antonio@meshcoding.com>
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Subject: Re: [B.A.T.M.A.N.] How to send message/execute script on clients
 from server?
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To: The list for a Better Approach To Mobile Ad-hoc Networking <b.a.t.m.a.n@lists.open-mesh.org>, Simon Wunderlich <sw@simonwunderlich.de>

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On 06/02/14 13:06, Le Tran Dat wrote:
> Hi Simon,
>=20
> Thanks for your response. I've read about Alfred, tomorrow I will try
> installing Alfred.
>=20
> I am browsing the source code of batman adv and if I am not wrong I
> can create and send a user-defined message.
> I think I can broadcast something like a "struct sk_buff *skb;" to all
> clients. However I don't think this one is a good way since it may
> impact to the current design of batman adv. How do you think?
>=20
> One more question, why browsing source code, I can not find the
> definition of struct sk_buff; where could I find it?
>=20
> P/S: I forgot to give the detail of my issue is that I do not know the =
IP
> addresses of all clients but I want to be able to send the
> configuration to them.
> Is it possible for Alfred to send those configuration without knowing
> cients' IP address by using mac-address only?

Instead of touching the batman-adv code or using Alfred you could just
open a socket on the bat0 interface and send raw Ethernet frames having
the broadcast address as destination.

This is something you can do with any Ethernet compatible interface (so
also with your normal eth0) and therefore also with batman-adv.

Regards,

--=20
Antonio Quartulli


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