How do I use mod_perl2 and Apache Bucket Brigades?



I’m writing an application to do proxying and rewriting of webpages on the fly and am pretty settled on using mod_perl2 – there is an existing implementation using mod_perl (v1) that I’m working from. In mod_perl2, there’s this idea of APR::Brigades and APR::Buckets which, from my vague understanding, are an efficient way to do the sort of filtering & rewriting that I want. I can’t, however, find anything but the Perldoc pages for these modules, so I’m really quite unsure how to utilize them.

Can anyone explain mod_perl2 Bucket Brigades to me, point me to a tutorial, or even show me some open-source app that uses mod_perl2 that I could learn from?


Buckets and Brigades are native concept to the Apache Portable Runtime. You’ll find ample examples of the native API, with a HTTP-specific slant, in the source code for Apache HTTP Server modules like mod_proxy, mod_deflate, and mod_substitute.

See the filter info here:

Then take a peek at the previously mentioned Apache HTTP Server modules.

There seems to be a simple perl-specific filter here:

Answered By – covener

This Answer collected from stackoverflow, is licensed under cc by-sa 2.5 , cc by-sa 3.0 and cc by-sa 4.0

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