[patch] SLP support (+ question)
bhards at bigpond.net.au
Sun Sep 22 14:45:00 EST 2002
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The attached patch adds "first draft" support for service location protocol,
using OpenSLP (http://www.openslp.org). This allows you to automagically
discover all the rsync servers on your network (which is defined in terms of
your SLP configuration - typically equal to multicast scope, but you can
change it around with Directory agents).
Here is an example:
bradh at squirt rsync-2.5.5 $ slptool findsrvs service:rsync
[OK, so these are really all the same server, but there is no reason why a
real network wouldn't have a selection]
It has at least one major problem - Doesn't report name and comment
attributes. I don't think I understand when the config file is being read.
AFAICT, lp_numservices should be set up when I'm running the SLP routines in
clientserver.c (see patch, with // style comment lines), but it isn't. If
anyone can find a better spot to do the service registration, please hack
away, or let me know.
Other known problems:
* shouldn't hardwire the portnum, instead should read from rsync_port.
* needs to have a standard set of attributes defined. I'll chase this up with
* Needs to do smarter things if hostname or domainname are broken.
* Probably needs to do smarter things for multi-homed hosts.
If anyone was in doubt after all that: DON"T APPLY THIS TO A PRODUCTION BOX.
Any comments - let me know.
http://conf.linux.org.au. 22-25Jan2003. Perth, Australia. Birds in Black.
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