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Re: Help, I need write a nginx module

September 25, 2009 04:56AM
On Fri, Sep 25, 2009 at 02:35:37AM -0400, fuji246 wrote:

> I need to write a nginx module to enhance the performance of our service.The following is what our service doing,
>
> 1. When getting the http request from the client, our service send http request to another server to validate the identification of the client.
>
> 2. If the validation passed, then send http request to another server to get the metainfo of the file requested by the client.
>
> 3. If the metainfo is retrieved, use the metainfo to pull file data from backend stroage using http GET.
>
> I've read the guide of nginx module developement, but that's not enough, these days, I've been reading the code of nginx. It's a hard job, i confess.
> I think, I should write a handler module, and using upstream to interact with other services, as far as i know , upstream send the response directly to the client, the only thing I can do is defining an "input_filter" of upstream, I'm wondering whether "input_filter" can be used to initiate another upstream request.

It's not easy task.
However, you may try to use X-Accel-Redirect:

location / {
proxy_pass http://auth;
# it returns "X-Accel-Redirect: /meta/..." for valid users
}

location /meta/ {
proxy_pass http://meta;
# it returns "X-Accel-Redirect: /storage/..."
}

location /storage/ {
proxy_pass http://storage;
}


--
Igor Sysoev
http://sysoev.ru/en/
Subject Author Posted

Help, I need write a nginx module

fuji246 September 25, 2009 02:35AM

Re: Help, I need write a nginx module

Gabriel Ramuglia September 25, 2009 04:00AM

Re: Help, I need write a nginx module

fuji246 September 25, 2009 04:49AM

Re: Help, I need write a nginx module

fuji246 September 25, 2009 05:20AM

Re: Help, I need write a nginx module

Igor Sysoev September 25, 2009 04:56AM

Re: Help, I need write a nginx module

Igor Sysoev September 25, 2009 05:12AM

Re: Help, I need write a nginx module

Gabriel Ramuglia September 25, 2009 11:10AM



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