[multiple] recognize HTTP QUERY method

x-ref:
https://www.ietf.org/id/draft-ietf-httpbis-safe-method-w-body-02.html

[multiple] __attribute_nonnull__ now takes params

define __attribute_nonnull__(params) with params to match
recent changes in glibc development (targetting glibc 2.35 in Feb 2022)

x-ref:
new __at

[multiple] __attribute_nonnull__ now takes params

define __attribute_nonnull__(params) with params to match
recent changes in glibc development (targetting glibc 2.35 in Feb 2022)

x-ref:
new __attribute_nonnull__(params) conflicts with third-party
https://sourceware.org/bugzilla/show_bug.cgi?id=28425

show more ...

[multiple] http_method_buf()

- http_method_buf() returns (const buffer *)
- comment out unused get_http_status_name()
- inline func for http_append_method()

config processing requires a persistent

[multiple] http_method_buf()

- http_method_buf() returns (const buffer *)
- comment out unused get_http_status_name()
- inline func for http_append_method()

config processing requires a persistent buffer for method on the
off-chance that the config performed a capturing regex match in
$HTTP["method"] condition and used it later (e.g. in mod_rewrite)
(Prior behavior using r->tmp_buf was undefined in this case)

show more ...

[core] mark select http_kv.[ch] funcs attr nonnull

[core] http_kv.[ch] perf tuning

[multiple] add attrs from gcc -Wsuggest-attribute=

[core] connection transition to HTTP/2; incomplete

(experimental)

(basic framework with some stub functions; incomplete)
(subsequently incrementally updated using git rebase)

HTTP/2 via TLS ALPN e

[core] connection transition to HTTP/2; incomplete

(experimental)

(basic framework with some stub functions; incomplete)
(subsequently incrementally updated using git rebase)

HTTP/2 via TLS ALPN extension (TLS)
HTTP/2 via Upgrade: h2c (cleartext)
HTTP/2 via Prior Knowledge (cleartext)

server.feature-flags += ("server.h2proto" => "enable")
to enable HTTP/2
server.feature-flags += ("server.h2c" => "enable")
to enable upgrade to HTTP/2 over cleartext http

show more ...

[core] HTTP_VERSION_2

[core] convenience macros to check req methods

[core] get_http_method_key() match by strlen first

[core] http_method_append()

[core] http_status_append()

[core] remove unused get_http_status_body_name()

[core] http_kv.[ch] method, status, version str

move method, status, version strings from keyvalue.[ch] to http_kv.[ch]