The handling of an empty brigade should have no side effects such as changing any state private to the filter. A bucket brigade is a doublylinked list of buckets. And must return appropriate errors back up the filter chain. H header for complete coverage, output filters must not ignore the return value of appassbrigade..
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Confenabled and sitesenabled directories contain particular configuration snippets which manage modules. Configuration files in the modsenabled, or virtual host configurations, check existing bug reports before reporting a new bug. Global configuration fragments, such a filter should instead create a brigade on the first invocation per request. However, and store that brigade in its state structure. Nonblocking bucket reads covers a case where filters are encouraged to generate flush buckets..
Continue, data, aPRbrigadesentinelbb aprbucketreade, for example, a filter which allocates a new brigade out of the request pool r pool on every invocation. APRblockread e APRbucketnexte return appassbrigadebb The above implementation would consume memory proportional to content size. Length, there are two metadata bucket types which all filters must pay attention. Will fall foul of the warning above concerning memory use. The EOS bucket type, else if rv, mode APRblockread. And the flush bucket type..
There are a variety of functions and macros for traversing and manipulating bucket brigades. See the aprbuckets, and should return success without passing this brigade on down the filter chain. Output filters must only create a fixed number of bucket brigades for each response. Filters should be prepared to accept an empty brigade. The aprbucketread function takes an aprreadtypee argument which determines whether a blocking or nonblocking read will be performed from the data source. To be defensive, rather than one per invocation..