From owner-freebsd-net@FreeBSD.ORG Thu Aug 24 22:38:15 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1ED6816A4DA; Thu, 24 Aug 2006 22:38:15 +0000 (UTC) (envelope-from brooks@lor.one-eyed-alien.net) Received: from sccmmhc92.asp.att.net (sccmmhc92.asp.att.net [204.127.203.212]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8037643D46; Thu, 24 Aug 2006 22:38:14 +0000 (GMT) (envelope-from brooks@lor.one-eyed-alien.net) Received: from lor.one-eyed-alien.net ([12.207.12.9]) by sccmmhc92.asp.att.net (sccmmhc92) with ESMTP id <20060824223813m92002sad6e>; Thu, 24 Aug 2006 22:38:13 +0000 Received: from lor.one-eyed-alien.net (localhost [127.0.0.1]) by lor.one-eyed-alien.net (8.13.6/8.13.6) with ESMTP id k7OMc6KH040916; Thu, 24 Aug 2006 17:38:07 -0500 (CDT) (envelope-from brooks@lor.one-eyed-alien.net) Received: (from brooks@localhost) by lor.one-eyed-alien.net (8.13.6/8.13.6/Submit) id k7OMbvfm040915; Thu, 24 Aug 2006 17:37:57 -0500 (CDT) (envelope-from brooks) Date: Thu, 24 Aug 2006 17:37:57 -0500 From: Brooks Davis To: Fredrik Lindberg Message-ID: <20060824223756.GC40213@lor.one-eyed-alien.net> References: <44EE1F7B.5000500@shapeshifter.se> <20060824220314.GB40213@lor.one-eyed-alien.net> <44EE22E7.6000700@shapeshifter.se> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tqI+Z3u+9OQ7kwn0" Content-Disposition: inline In-Reply-To: <44EE22E7.6000700@shapeshifter.se> User-Agent: Mutt/1.5.11 Cc: freebsd-net@freebsd.org, Pat Lashley , Doug Barton Subject: Re: Zeroconfig and Multicast DNS X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Aug 2006 22:38:15 -0000 --tqI+Z3u+9OQ7kwn0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 25, 2006 at 12:06:31AM +0200, Fredrik Lindberg wrote: > Brooks Davis wrote: > > > >It just occured to me that the daemon could handle this without any > >interaction with dhclient or the static interface configuration. In the > >mode where you only want an LLA if there isn't another address it's a > >simple matter of watching the routing socket for messages and a) > >removing the LLA if an IPv4 address other than 0.0.0.0 is configured on > >the interface and b) (re)starting the process of obtaining an LLA when > >all other addresses have been removed. The daemon should be listening > >to the routing socket anyway because it should only run when the > >interface has link which requires it to exit when the link goes down > >similar to dhclient. I really need to go look at the code and see what > >you're doing now. :) >=20 > Well, I'm doing just that...except it's not the routing socket but the > netdev filter of the kqueue system. Could be change to the routing > socket. It looks like you'd need to switch to the routing socket to be able to make decisions based on address changes, but the basic flow should be the same. -- Brooks --tqI+Z3u+9OQ7kwn0 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFE7ipEXY6L6fI4GtQRAvGhAJ4z8edlI4w3Y0DfjjfbzhgbPBPdJACgifJC k481niMwUpd3dGxsNJ7Wi8k= =Xx9t -----END PGP SIGNATURE----- --tqI+Z3u+9OQ7kwn0--