pluknet

Inspired mostly by a bogus requirement to enable ngx_http_v2_module in order to configure "proxy_http_version 2;". This becomes noticeable with a generic HTTP/2 upstream support, which unlike gRPC is not bound...

Multipath TCP support

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this adds a preparatory change to reduce diff, where appropriate, and therefore deduplicate the main change

Empty request body buffering is specially handled to avoid extra write+seek syscalls as initially introduced in 4c7f51136 (0.4.4). This was later broken in chunked body filter in 5fc85439d (1.3.9) where...

HTTP/3: fixed misaligned access with Huffman encoding.

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The function expects to operate on aligned memory allocation. The fix is store encoded output in an aligned buffer passed via HTTP/3 encoder functions, similar to ngx_http_v2_filter_module.c. Tested with UndefinedBehaviorSanitizer.