Amaury Denoyelle 235e8f1afd MEDIUM: mux-quic: add BUG_ON if sending on locally closed QCS
Previously, if snd_buf operation was conducted despite QCS already
locally closed, the input buffer was silently dropped. This situation
could happen if a RESET_STREAM was emitted butemission not reported to
the stream layer. Resetting silently the buffer ensure QUIC MUX remain
compliant with RFC 9000 which forbid emission after RESET_STREAM.

Since previous commit, it is now ensured that RESET_STREAM sending will
always be reported to stream-layer. Thus, there is no need anymore to
silently reset the buffer. A BUG_ON() statement is added to ensure this
assumption will remain valid.

The new code is deemed cleaner as it does not hide a missing error
notification on the stconn-layer. Previously, if an error was missing,
sending would continue unnecessarily with a false success status
reported for the stream.

Note that the BUG_ON() statement was also added into nego_ff callback.
This is necessary to ensure both sending path remains consistent.

This patch is labelled as MEDIUM as issues were already encountered in
snd_buf/nego_ff implementation and it's not easy to cover all occurences
during test. If the BUG_ON() is triggered without any apparent
stream-layer issue, this commit should be reverted.
2023-12-21 15:42:08 +01:00
2023-12-21 15:42:08 +01:00
2021-09-16 09:14:14 +02:00
2023-12-05 16:19:35 +01:00
2023-12-05 16:15:30 +01:00
2023-12-05 16:19:35 +01:00

The HAProxy documentation has been split into a number of different files for
ease of use.

Please refer to the following files depending on what you're looking for :

  - INSTALL for instructions on how to build and install HAProxy
  - BRANCHES to understand the project's life cycle and what version to use
  - LICENSE for the project's license
  - CONTRIBUTING for the process to follow to submit contributions

The more detailed documentation is located into the doc/ directory :

  - doc/intro.txt for a quick introduction on HAProxy
  - doc/configuration.txt for the configuration's reference manual
  - doc/lua.txt for the Lua's reference manual
  - doc/SPOE.txt for how to use the SPOE engine
  - doc/network-namespaces.txt for how to use network namespaces under Linux
  - doc/management.txt for the management guide
  - doc/regression-testing.txt for how to use the regression testing suite
  - doc/peers.txt for the peers protocol reference
  - doc/coding-style.txt for how to adopt HAProxy's coding style
  - doc/internals for developer-specific documentation (not all up to date)
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