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Re: What's up with ra_pipe?

From: mark benedetto king <bking_at_inquira.com>
Date: 2002-08-13 20:10:18 CEST

On Tue, Aug 13, 2002 at 06:51:42PM +0300, Nuutti Kotivuori wrote:
> Hey, what's up with ra_pipe these days? Has anyone done anything to it
> recently?

I have been working on it on and off for quite some time. Mainly off,

> Apparently nobody has touched it in the repository since revision 2000
> or so.

I don't have commit access.

> This is something I'd personally very much want to see work, but I'm
> afraid my expertise and time available will not probably allow me to
> tackle it on, atleast not alone.

I can share my "svn diff" with you off-list, if you'd like.

> Were there any decisions made on how to make the implementation?

Well, the approach that I taken is to build an ra-layer shim; for
every function FOO in the ra vtable, it exposes FOO, packages
FOO's parameters up and sends them down the wire to the remote
service, which reads them, calls ra_local or ra_dav's foo(), and
then packages up the results, sends them back down the wire to
the client, which unpackages them and returns them.

This is the typical "client stub/server stub" RPC model.
One of the principal drawbacks to this model is that callbacks
are a hassle, and of course, we've got them.

The interface is also fairly wide (the commit editors are
what I'm currently bogged down in).


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Received on Tue Aug 13 23:47:36 2002

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