On 26/03/11 11:31, Graham Dumpleton wrote: > > Yes and no as nginx also has a X-Sendfile module, again possibly > optional (can't remember).
I didn't know there was an X-Sendfile module for Nginx -- Search results for "nginx xsendfile" point me to X-Accel-Redirect. > In Apache/mod_wsgi when using daemon mode you have CGI style > 200/Location to use as well. > > So, you have a mix of file system path and URL based schemes. In the > case of file system based schemes, because the code processing > X-Sendfile is potentially a different process, then you also have to > deal with issues of that other process not having the required > permissions to access the file even though the original application did. > > For URL based schemes, nginx has an easy way to designate the URLs > which are the target of X-Accel-Redirect are private and only > accessible from a sub request triggered by the header. For Apache when > using 200/Location, you have to use a mod_rewrite rule to effect > private URLs. > > Other proxy/load balancing front ends such a Pound and Squid (???) > also support their own headers for this sort of URL sub requests. > > Add to this wsgi.file_wrapper and you have three different schemes one > can use. For the case of URL mechanism, there also various headers and > consumers of the headers. I think wsgi.file_wrapper is a different beast. I would not try to support it along with X-Sendfile/X-Accel-Redirect/Location. > In short, it is all a mess and trying to provide support for it in one > bit of code is possibly asking a bit much. I agree with you. However, I think trying to offer some kind of common abstraction may still be beneficial. Cheers. -- Gustavo Narea. Software Developer. 2degrees, Ltd. <http://www.2degreesnetwork.com/>. -- You received this message because you are subscribed to the Google Groups "Django developers" group. To post to this group, send email to django-developers@googlegroups.com. To unsubscribe from this group, send email to django-developers+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-developers?hl=en.
