feat(client): Expose http2::builder::max_header_list_size in the client builder
#154
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seanmonstar
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Oct 25, 2024
Co-authored-by: Sean McArthur <sean@seanmonstar.com>
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…quests (#2292) After enabling h/2 with outcalls we had a regression where responses to https outcalls with headers greated than 16KB would fail. In hyperium/hyper-util#154 (comment) hyper-util exposes a method to increase the header response limit. This PR increases the limit to 52KiB, above 48KiB in the spec, to not block this weeks release in case the spec-compliance tests have any headers hardcoded that can break the test. We can reduce this limit closer to 48KiB in the future.
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Currently the max size of received header frames for HTTP2 responses defaults to the 16KB when creating a hyper client. The 16KB default is defined in hyper::proto::h2::DEFAULT_MAX_HEADER_LIST_SIZE.
This PR adds support to override this default value, to allow for custom limits of the maximum header sizes being received in HTTP/2 responses.
Adjusting the limit is already supported for incoming requests with hyper_util::server::conn::auto::Http2Builder::max_header_list_size.