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Re: HTTPS records
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From: Daniel Stenberg via curl-library <curl-library_at_lists.haxx.se>
Date: Thu, 8 Dec 2022 23:27:25 +0100 (CET)
On Thu, 8 Dec 2022, Dmitry Karpov via curl-library wrote:
> It is kind of pity that we are tightly bound to limitations of getaddrinfo()
> and can't use features from libraries that provide TTL, like c-ares.
I totally agree.
> Correct me if I'm wrong, but both c-ares and getaddrinfo()-specific calls
> are placed inside async-ares.c and async-thread.c and
> Curl_resolver_getaddrinfo() is the resulting function for each resolver
> backend.
>
> So, I am wondering if it is possible to extend Curl_addrinfo (which
> Curl_resolver_getaddrinfo() returns) and add TTL information there, but only
> c-ares resolver backend will fill it?
Sure. That should be fairly even even! The "struct ares_addrinfo" contains TTL
data.
Date: Thu, 8 Dec 2022 23:27:25 +0100 (CET)
On Thu, 8 Dec 2022, Dmitry Karpov via curl-library wrote:
> It is kind of pity that we are tightly bound to limitations of getaddrinfo()
> and can't use features from libraries that provide TTL, like c-ares.
I totally agree.
> Correct me if I'm wrong, but both c-ares and getaddrinfo()-specific calls
> are placed inside async-ares.c and async-thread.c and
> Curl_resolver_getaddrinfo() is the resulting function for each resolver
> backend.
>
> So, I am wondering if it is possible to extend Curl_addrinfo (which
> Curl_resolver_getaddrinfo() returns) and add TTL information there, but only
> c-ares resolver backend will fill it?
Sure. That should be fairly even even! The "struct ares_addrinfo" contains TTL
data.
-- / daniel.haxx.se | Commercial curl support up to 24x7 is available! | Private help, bug fixes, support, ports, new features | https://curl.se/support.html -- Unsubscribe: https://lists.haxx.se/listinfo/curl-library Etiquette: https://curl.se/mail/etiquette.htmlReceived on 2022-12-08