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Re: small addition to easy.c

From: Vadim Lebedev <vadim_at_mbdsys.com>
Date: Fri, 16 Dec 2005 12:50:56 +0100

Daniel Stenberg wrote:

> On Fri, 16 Dec 2005, Vadim Lebedev wrote:
>
>> We had to modify a little bit the lib/easy.c file to recover the
>> socket CURL created for transaction I wonder if curl maintaners will
>> accept following small addition to the lib/easy.c
>
>
> Hello! I'm happy you've found use for libcurl in your project and that
> you're willing to work with us to improve libcurl and make it work
> nicer with your requirements and demands.
>
> I don't have any particular objections against the actual purpose of
> this change, but the way you did it will easily break!
>
> Also, please consider providing at least some basic documentation for
> the new feature (this low level extraction will need some careful
> notes about what you actually get and what can go wrong when you
> attempt to do this). Of course you get the golden plate if you provide
> a set of test cases too...
>
>> /* * curl_easy_get_sock() is an external interface that allows an app
>> to get * the socket of a session handle. */
>
>
>> #ifndef WIN32
>> typedef int SOCKET; #endif
>
>
> To start with, I am against this typedef. Mostly because we already
> have a typedef interally for the socket type that is used all over and
> introducing a new one will only add confusion with no additional
> benefit. (And I intend to have that typedef go public in the future
> when I provide the upcoming curl_multi_socket() API.)
>
>> CURL_EXTERN SOCKET curl_easy_get_sock(CURL *curl) {
>
>
> I'm against adding a totally new function for just extracting
> information after a performed request, especially since we already
> have a general purpose function that does exactly that:
> curl_easy_getinfo(). I would rather like to see that function get an
> additional CURLINFO_* type added.
>
>> if (data->info.httpproxycode != 200)
>> return -1;
>
>
> Why would extracting the low leve socket have to bother about if the
> recent HTTP code is 200 or not? That seems like logic for your
> application, not for this function.
>
> Not to mention that -1 is not a "proper" value for a function that
> returns SOCKET since socket is an unsigned variable in Windows.
>
>> return (SOCKET) data->state.connects[0]->sockfd;
>
>
> This assumption is very naive and plain wrong in many cases. You can't
> be sure that this socket is actually the last used one. You need to
> check for the last used one in the "connection cache" and return that
> one.
>
Ok, thanks for the comments
WILCO

Vadm
Received on 2005-12-16