Thanks Maxim for your reply. Since I am newbie, please excuse my questions. I am still unable to retrieve the variable.
All I have in the handler routine is: ngx_http_request_t *r I can see that r->headers_in.headers is a list, but then when you say $http_operation, it is confusing me. Could you please explain Maxim Dounin wrote in post #1141328: > Hello! > > On Fri, Mar 28, 2014 at 01:06:00AM +0100, Mapper Uno wrote: > >> indicates that these are not "custom" headers. With reference to my >> above example, how can I access my custom header "OPERATION" in module >> handler ? > > Please make sure to read not only the first sentence. Note the > "Also there are other variables" in the same paragraph. The > $http_* variables provide access to all headers, including any > custom ones. And it is documented as: > > $http_name > arbitrary request header field; the last part of a variable name > is the field name converted to lower case with dashes replaced by > underscores > > Therefore, you may either use the $http_operation variable to > access the header you are looking for. Or you may take a look at > the source code to find out how it's implemented. Take a look at > the src/http/ngx_http_variables.c, functions > ngx_http_variable_unknown_header_in() and > ngx_http_variable_unknown_header() (first one says the header > should be searched in r->headers_in.headers list, second one does > actual search). > > -- > Maxim Dounin > http://nginx.org/ -- Posted via http://www.ruby-forum.com/. _______________________________________________ nginx mailing list [email protected] http://mailman.nginx.org/mailman/listinfo/nginx
