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Re: Subrequest without returning to nginx

Alfred Sawaya
May 04, 2021 11:26AM
Ah, I felt it. I needed to read it from someone that knows better.

So... Big refactor time :)


Thank you Maxim


On 04/05/2021 16:59, Maxim Dounin wrote:
> Hello!
>
> On Tue, May 04, 2021 at 04:11:34PM +0200, Alfred Sawaya wrote:
>
>> I am currently converting an Apache module to Nginx. This module uses
>> subrequests and needs (for now) to execute the subrequest without
>> unwinding the stack (ie without returning to nginx).
>>
>> I tried to call ngx_http_run_posted_requests by hand, but it does not
>> work as the upstream socket needs to get polled some time.
>>
>> So I wonder, is there any way to do this ?
> No. Since nginx is event-driven, you essentially cannot do
> anything without returning control back to nginx to execute the
> event loop.
>
>> Of course I know that I shouldn't do it like this, but the current
>> module is not reentrant and poorly architectured. I will eventually
>> refactor it but later.
> You may want to start with throwing away the module, and writing
> another one for nginx from scratch. "Converting" rarely works
> even for simple and well-written modules.
>

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Subject Author Views Posted

Subrequest without returning to nginx

Alfred Sawaya 57 May 04, 2021 10:12AM

Re: Subrequest without returning to nginx

Dipl. Ing. Sergey Brester 8 May 04, 2021 10:34AM

Re: Subrequest without returning to nginx

Alfred Sawaya 6 May 04, 2021 10:50AM

Re: Subrequest without returning to nginx

Dipl. Ing. Sergey Brester 5 May 04, 2021 11:04AM

Re: Subrequest without returning to nginx

Alfred Sawaya 6 May 04, 2021 11:16AM

Re: Subrequest without returning to nginx

Ranier Vilela 9 May 04, 2021 10:36AM

Re: Subrequest without returning to nginx

Alfred Sawaya 6 May 04, 2021 11:00AM

Re: Subrequest without returning to nginx

Maxim Dounin 6 May 04, 2021 11:00AM

Re: Subrequest without returning to nginx

Alfred Sawaya 14 May 04, 2021 11:26AM



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