Commit bfc7e01
http2: refactor outgoing write mechanism
- Only finish outgoing `WriteWrap`s once data has actually been
passed to the underlying socket.
- This makes HTTP2 streams respect backpressure
- Use `DoTryWrite` as a shortcut for sending out as much of
the data synchronously without blocking as possible
- Use `NGHTTP2_DATA_FLAG_NO_COPY` to avoid copying DATA frame
contents into nghttp2’s buffers before sending them out.
Backport-PR-URL: #18050
PR-URL: #17718
Reviewed-By: James M Snell <[email protected]>1 parent 9592691 commit bfc7e01
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