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2024-01-04Rework and improve the decompress stream handlerLoïc Hoguin
The read buffer was changed into an iovec to avoid doing too many binary concatenations and allocations. Decompression happens transparently: when decoding gzip, the content-encoding header is removed (we only decode when "gzip" is the only encoding so nothing remains). We always add a content_decoded key to the Req object. This key contains a list of codings that were decoded, in the reverse order in which they were. Currently it can only be empty or contain <<"gzip">> but future improvements or user handlers may see it contain more values. The option to disable decompression was renamed to decompress_enabled and defaults to true. It is no longer possible to enable/disable decompression in the middle of reading the body: this ensures that the data we pass forward is always valid. Various smaller improvements were made to the code, tests and manual pages.
2023-12-21Add cowboy_decompress_h stream handlerjdamanalo