From owner-freebsd-net  Wed Feb  6 20: 0:16 2002
Delivered-To: freebsd-net@freebsd.org
Received: from InterJet.dellroad.org (adsl-63-194-81-26.dsl.snfc21.pacbell.net [63.194.81.26])
	by hub.freebsd.org (Postfix) with ESMTP id 9B20637B421
	for <freebsd-net@FreeBSD.ORG>; Wed,  6 Feb 2002 20:00:09 -0800 (PST)
Received: from arch20m.dellroad.org (arch20m.dellroad.org [10.1.1.20])
	by InterJet.dellroad.org (8.9.1a/8.9.1) with ESMTP id TAA79540;
	Wed, 6 Feb 2002 19:56:35 -0800 (PST)
Received: (from archie@localhost)
	by arch20m.dellroad.org (8.11.6/8.11.6) id g173uO015959;
	Wed, 6 Feb 2002 19:56:24 -0800 (PST)
	(envelope-from archie)
From: Archie Cobbs <archie@dellroad.org>
Message-Id: <200202070356.g173uO015959@arch20m.dellroad.org>
Subject: Re: ng_dummy - netgraph traffic shaping node
In-Reply-To: <14420000.1013008215@blues.viagenie.qc.ca> "from Florent Parent
 at Feb 6, 2002 10:10:15 am"
To: Florent Parent <Florent.Parent@viagenie.qc.ca>
Date: Wed, 6 Feb 2002 19:56:24 -0800 (PST)
Cc: Marko Zec <zec@tel.fer.hr>, freebsd-net@FreeBSD.ORG
X-Mailer: ELM [version 2.4ME+ PL88 (25)]
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=US-ASCII
Sender: owner-freebsd-net@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-net.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-net>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-net>
X-Loop: FreeBSD.org

Florent Parent writes:
> > Btw, where could I find some examples on parsing setsockopt() calls to
> > selected nodes, if such thing is possible at all?
> >
> 
> Here's how I do it on a ksocket node (patch on ksocket is required unless 
> you're using -CURRENT. Check thread on "netgraph: how to setsockopt on 
> ksocket node ?". )
> 
> struct opts {
>     int level;
>     int name;
>     int value;
> } myopts = { SOL_SOCKET, SO_REUSEADDR, 1 };
> 
> if ( (ret = NgSendMsg(cs, epath, NGM_KSOCKET_COOKIE, NGM_KSOCKET_SETOPT,
>                       (struct ng_ksocket_sockopt *)&myopts, 
> sizeof(myopts))) < 0) {
>     fprintf(stderr, "%s Cannot setopt the ksocket node: %s\n",
>             epath, strerror(errno));
>     return (-1);
> }

Plus, you need 4.5-stable for this to work because of
a bug that was recently fixed.

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-net" in the body of the message