Can I modify headers_out's "location" in body filter?

[Weibin Yao]

ckong at 2010-6-17 16:27 wrote:
> Hi all, 
> I'm a newbie in nginx module development. I've a question here, need
> your help.
> I'm trying to develop a filter, which works with memcached, is used for
> request routing.
> for example, the conf here:
> [code]
> location /test {
>             my_rr on;
>             set $memcached_key      $arg_key;
>             memcached_pass  127.0.0.1:11211;
>             default_type    text/html;
> }
> [/code]
>
> ps: my_rr enables my filter.
> In my filter module, I've modify headers_out.status = 302 in my header
> filter, and I want to modify "Location" in my body filter, because the
> value of "Location" depends on the response of memcached.
>
> I do modify headers_out.location in my body filter, but it doesn's work.
>   
No，your modification is useless. Nginx sends the headers first, even 
before receiving all the response body from backends.
>
> Could anybody tell me if I miss something?
>
> Great thanks!
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,99290,99290#msg-99290
>
>
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>   


-- 
Weibin Yao