Thanks so much for your detailed answer. Works like a charm :)

But i see i can't access this from LUA?

> The |ngx.location.capture| and |ngx.location.capture_multi| Lua
methods cannot
> capture locations configured by ngx_echo module's |echo_location|,
|echo_location_async|, |
> echo_subrequest|, or |echo_subrequest_async| directives. This won't
be fixed in the future due to technical problems :)

but is it possible to get

echo_request_body

directly in nginx LUA?

Thanks.

Alexander



On 16.03.2011 03:28, agentzh wrote:
> On Wed, Mar 16, 2011 at 6:15 AM, Alexander Kunz<akunz@ntmedia.de> wrote:
>> Hello,
>>
>> any chance to debug the -f function? I use the debug log, but get no
>> information about the file... /body1
>> shows me "test" but /body2 shows nothing... no error, no body content...
>>
> Because there's no error in your /body2 request, no log is expected to
> be printed ;)
>
>> location /body1 {
>> echo_subrequest POST /sub -b 'test';
>> }
>>
>> location /body2 {
>> echo_subrequest POST /sub -f /tmp/hello.txt;
>> }
>>
>> location /sub {
>> echo "body: $echo_request_body";
>> }
> Why $echo_request_body is empty for /body2? Because "echo_subrequest
> /sub -f /tmp/hello.txt" produces a request body that consists of
> *file* buffers only (such that nginx does not bother reading the whole
> disk file into RAM at once) and $echo_request_body only respects pure
> *memory* buffers.
>
> The following example comes from the ngx_echo's test suite:
>
> location /main {
> echo_subrequest POST /sub -f html/blah.txt;
> }
>
> location /sub {
> echo "sub method: $echo_request_method";
> # we don't need to call echo_read_client_body explicitly here
> echo_request_body;
> }
>
> where html/blah.txt contains the following contents:
>
> Hello, world
>
> Then GET /main gives
>
> sub method: POST
> Hello, world
>
> Cheers,
> -agentzh
>
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