handler before proxy-pass
mdounin at mdounin.ru
Thu May 29 12:29:22 UTC 2014
On Thu, May 29, 2014 at 03:05:15PM +0300, Donatas Abraitis wrote:
> I want to add a custom 'handler', which would update ngx_os_argv on
> request. It should be like this:
> root 18601 0.0 0.0 62272 3812 ? Ss 07:00 0:00 nginx:
> master process /opt/nginx/bin/nginx -c /opt/nginx/etc/nginx.conf
> web 18602 0.0 0.0 70372 7904 ? S 07:00 0:00 \_
> 126.96.36.199 [test.domain.com] GET /ok.php HTTP/1.1??Host
> It works if using only nginx for static content, but if having proxy_pass
> in location directive it doesn't work.
This isn't going to work in any case, as there are multiple
requests in a single worker process.
> Code snippet is like this:
> sprintf(title, "%s [%s] %s", r->connection->addr_text.data,
> r->headers_in.server.data, r->request_line.data);
> memcpy(ngx_os_argv, title, MAXBUF);
> return NGX_DECLINED;
> Question is, how to solve this problem to update ngx_os_argv if using
> together with proxy_pass? Seems it bypass my 'handler' if using proxy_pass.
> Maybe there is some kind of sequence of loading modules?
>From what you write it looks like you've installed your code as a
content handler. You should instead use something like postread
phase handler, see e.g. realip module for an example. But, well,
it's not going to work anyway, see above.
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