[libvirt] [PATCH] Support the usage of socat instead of netcat

Guido Günther agx at sigxcpu.org
Fri Aug 7 16:29:25 UTC 2009


On Thu, Aug 06, 2009 at 02:37:53PM +0200, Daniel Veillard wrote:
> On Thu, Aug 06, 2009 at 12:39:34PM +0100, Daniel P. Berrange wrote:
> > On Wed, Aug 05, 2009 at 12:58:33PM +0200, Jonas Eriksson wrote:
> > > * src/remote_internal.c: Honour USE_SOCAT by selecting between
> > >   netcat/nc and socat at compile time.
> > 
> > Changing the binary used at compile time is really not a good idea,
> > because libvirt uses netcat on the remote machine, which is not
> > required to be the same distro as the client machine on whihc you
> > built libvirt. So by making socat vs netcat a compile time option
> > you pretty much guarentee incompatibility between libvirt client & 
> > server betweeen distros. It is really better to fix netcat on the
> > distros where -U isn't available.
> 
>   As for other case where we had multiple binary options, isn't
> picking up at runtime a possibility, suppose we can catch that
> 'netcat -U' fails, we could try to fallback to socat.
...and /bin/nc.openbsd on Debian. Having this would be appreciated
(unfortunately I don't have time to work on it).
Cheers,
 -- Guido

>   In any case a compile time switch doesn't sounds right to me but
> being more flexible at runtime is similar to the way we have done
> for dependance on other binaries.
> 
> Daniel
> 
> -- 
> Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
> daniel at veillard.com  | Rpmfind RPM search engine http://rpmfind.net/
> http://veillard.com/ | virtualization library  http://libvirt.org/
> 
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