[quicwg/base-drafts] Replace HTTP_MALFORMED_FRAME error code (#2662)

Lucas Pardue <notifications@github.com> Wed, 01 May 2019 10:16 UTC

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Subject: [quicwg/base-drafts] Replace HTTP_MALFORMED_FRAME error code (#2662)
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This fixes #2551.

Several changes here that all go toward replacing the generic HTTP_MALFORMED_FRAME error. It adds 4 new error codes that cover specific error cases already highlighted. Chiefly, it restores the HTTP_FRAME_SIZE_ERROR capability we dropped from HTTP/2, just under a different name.

This PR may trigger the Yet-another-error-code early warning system. However, in practical terms this change reduces the error code space by ~250, based on the fact that en endpoint would do frame length validation of unknown frame types and send an error in such a case.  It also avoids the future complexity required to signal errors on extension frames types above the limit aka the `0xff` problem punt.
You can view, comment on, or merge this pull request online at:

  https://github.com/quicwg/base-drafts/pull/2662

-- Commit Summary --

  * replace HTTP_MALFORMED_FRAME error code.

-- File Changes --

    M draft-ietf-quic-http.md (64)

-- Patch Links --

https://github.com/quicwg/base-drafts/pull/2662.patch
https://github.com/quicwg/base-drafts/pull/2662.diff

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