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Re: what does the "main" pointor in request struct mean?

May 27, 2010 04:22AM
On Thu, May 27, 2010 at 02:55:57AM -0400, 4everpan wrote:

> I found in Nginx that:
> struct ngx_http_request_s {
> ...
> ngx_http_request_t *main;
> ...
> };
> what does this argument mean?
>
> I also found a similar argument in Apache:
> request_rec* request_rec::main
> //Pointer to the main request if this is a sub-request (see http_request.h)
>
> so,
> Do they have the same meaning?
> and if yes, what dose a main request and a sub-request mean? What's the difference between the 2 http requests?

Yes, this is the same as in Apache.
Subrequests are requests made inside a request, for example, in SSI:

<!--# include virtual="/header.html" -->


--
Igor Sysoev
http://sysoev.ru/en/

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Subject Author Posted

what does the "main" pointor in request struct mean?

4everpan May 27, 2010 02:55AM

Re: what does the "main" pointor in request struct mean?

Igor Sysoev May 27, 2010 04:22AM

Re: what does the "main" pointor in request struct mean?

vesperto May 27, 2010 04:44AM

Re: what does the "main" pointor in request struct mean?

Igor Sysoev May 27, 2010 05:02AM

Re: what does the "main" pointor in request struct mean?

4everpan May 28, 2010 02:19AM

Re: what does the "main" pointor in request struct mean?

agentzh May 28, 2010 04:56AM

Re: what does the "main" pointor in request struct mean?

4everpan May 28, 2010 06:03AM



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