POST/GET/Cookie parse

To parse the POST/GET request and Cookie header 

For example, how to set the response header from the POST key of hoge.

import parsereq;

vcl_recv{
  //please write "parsereq.init();" to 1st line in vcl_recv.
  parsereq.init();
}
vcl_deliver{
  set resp.http.hoge = parsereq.post_header("hoge");
}
Status: 
In development
Licence: 
Varnish version supported: 
Commercial support: 
No