bo access from VFP

[Guillaume Quintard]

Small follow-up on that one: it would be nice for VFP to be able to disable
streaming (bo->do_stream), so that's an extra argument to be able to access
the busyobj

-- 
Guillaume Quintard


On Sun, Dec 26, 2021 at 6:11 PM Guillaume Quintard <
guillaume.quintard at gmail.com> wrote:

> Happy holidays to everyone,
>
> Unless I'm mistaken, there's no way for a VFP to access the busyobj, and
> was wondering if that could change as I need it to retrieve a vmod_priv.
>
> For some context, I stumbled on this while working on this vmod:
> https://github.com/gquintard/vmod_rers/tree/v0.0.2
> (It's in rust, and I'm using it to explore what kind of bindings we need.
> I already have a couple of examples for VDP[1] and VFP[2] in the crate[3]
> repo, but of course they don't need as much as a real vmod.)
>
> With vmod_rers, the user is able to add regex/sub pairs on a per-request
> basis [4], and they will be acted upon by the VDP. To store and retrieve
> the pairs I use the regular "fake vrt_ctx trick"[4], since the VDP has
> access to the req struct, it's very easy to build.
> However, I'm unable to do the same thing on the VFP side since I have
> neither a req (fair) nor a bo.
>
> Is there a big reason for not having access to it, or is it just that
> nobody asked for it until now?
>
> Happy new year!
>
> [1]: https://github.com/gquintard/varnish-rs/tree/main/examples/vmod_vdp
> [2]: https://github.com/gquintard/varnish-rs/tree/main/examples/vmod_vfp
> [3]: https://crates.io/crates/varnish
> [4]: https://github.com/gquintard/vmod_rers/blob/v0.0.2/vmod.vcc#L47
> [5]: https://github.com/gquintard/vmod_rers/blob/v0.0.2/src/lib.rs#L221
> --
> Guillaume Quintard
>
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