Re: [netmod] Module tags

[Martin Bjorklund <[e-mail]>]

Christian Hopps <[e-mail]> wrote:
> 
> Martin Bjorklund <[e-mail]> writes:
> > Christian Hopps <[e-mail]> wrote:
> >> The reason I went with the grouping and in-module list was that I
> >> thought one could then create selecting xpath expressions, e.g.,
> >>
> >>    get foobar-value[../tags="ietf:implements:foobar"]
> >
> > I'm not sure I understand what you're after, but I am pretty sure that
> > if it can be done with a per-module structure that you propose, then
> > it can also be done with a single structure.
> >
> > Is the idea that you want to read a certain leaf in a certain module,
> > but only if that module has been dynamically tagged with a certain
> > tag?
> 
> Close, the idea was that I want to read all "foobar-value"s from all
> modules that have that tag set.

Ok. What is the use case?  It is probably not very common that
multiple modules have the exact same data structure defined.

> >> I'm not sure if netconf supports this use of xpath directly, but one can
> >> imagine other systems or protocols supporting it.
> >
> > NETCONF does support XPath filtering.
> 
> Yes, I'm aware of that, but I'm not sure if it supports the above
> clarified idea which would use non-namespace "foobar-value" to fetch all
> values along with an xpath check to see if a tag leaf-list contained a
> tag value. I thought I read that netconf didn't support the latter at
> least.

If it can be expressed in XPath 1.0, then NETCONF supports it.
Checking that a leaf-list contains a particular value is supported.


/martin