Writing a module to use with http_proxy

[regall]

Hi. I'm new to nginx module development and I'm going to write a module
that must do everything that http_proxy module does except it must do
some checks before request is passed to the upstream. What's the best
way to do that?

Thank you.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,212741,212741#msg-212741