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Re: Feature request about curlinfo option returning resolver status/error code

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From: Daniel Gustafsson via curl-library <curl-library_at_lists.haxx.se>
Date: Tue, 19 Apr 2022 20:49:12 +0200

> On 19 Apr 2022, at 19:35, Dmitry Karpov via curl-library <curl-library_at_lists.haxx.se> wrote:
>
> It would return a status code the resolver returns when it performs a DNS query.
>
> For instance, c-ares passes its status code in resolution callbacks, so this status code would be returned in the CURLINFO_RESOLVER_CODE.
> So, if something goes wrong with host name resolution, this code will give a hint why the resolver failed.

If we are returning a code it should be an abstracted/translated code which
doesn't rely on a specific resolver (ie the set of returncodes should not
change depending on the resolver).

This is clearly not hard to do, but we need to figure out a good mapping.

--
Daniel Gustafsson		https://vmware.com/
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Received on 2022-04-19

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