Hi All,
Here’s what I wanted to do:
-
I wanted to write a Nginx location handler for example “/mylocation”
which when invoked should call another program to get the response.
-
The other external program provides a client library where we can
register callbacks.
-
The external program will call the callback when the data is
available.
I wanted to know if I am using an external library and one of the
external
API is asking for registering callback, how i can achieve this in Nginx.
I cannot give any function from my handler, as that is called internally
by
the nginx Core.
Please guide me how I can register a callback inside Nginx which will be
called by the external program.
Thanks,
Raul.
On Thu, Apr 19, 2012 at 4:39 PM, Sammy R. [email protected]
wrote:
I wanted to know if I am using an external library and one of the external
API is asking for registering callback, how i can achieve this in Nginx.
Take a look at the ngx_drizzle module which integrates the external
client library libdrizzle into the Nginx core and generates outputs
for an nginx location:
http://wiki.nginx.org/HttpDrizzleModule
Also take a look at the ngx_postgres module which integrates external
client library libpq into the Nginx core:
https://github.com/FRiCKLE/ngx_postgres
Hope this helps,
-agentzh
Hi,
Thanks for your pointers, but one thing I still not understood from the
links you have provided is that how I can register a callback in my
handler
which will be called by the external library.
In the links you have provided the read write event handler is called
when
any read write happens on the DB. But my case it’s the external program
who
will call the Nginx callback.
So I am not sure how I can pass a callback from Nginx to external
library
API.
Please tell me what I can do in this scenario.
Thanks,
Raul.
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