Willy Tarreau ebab479cdf MINOR: http: add a function to validate characters of :authority ... As discussed here: https://github.com/httpwg/http2-spec/pull/936 https://github.com/haproxy/haproxy/issues/2941 It's important to take care of some special characters in the :authority pseudo header before reassembling a complete URI, because after assembly it's too late (e.g. the '/'). This patch adds a specific function which was checks all such characters and their ranges on an ist, and benefits from modern compilers optimizations that arrange the comparisons into an evaluation tree for faster match. That's the version that gave the most consistent performance across various compilers, though some hand-crafted versions using bitmaps stored in register could be slightly faster but super sensitive to code ordering, suggesting that the results might vary with future compilers. This one takes on average 1.2ns per character at 3 GHz (3.6 cycles per char on avg). The resulting impact on H2 request processing time (small requests) was measured around 0.3%, from 6.60 to 6.618us per request, which is a bit high but remains acceptable given that the test only focused on req rate. The code was made usable both for H2 and H3.		2025-05-12 18:02:47 +02:00
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haproxy	MINOR: http: add a function to validate characters of :authority	2025-05-12 18:02:47 +02:00
import	CLEANUP: assorted typo fixes in the code and comments	2025-04-02 11:12:20 +02:00
make	BUILD: makefile: add a qinfo macro to pass info in quiet mode	2025-01-08 11:26:05 +01:00