bf76275fff
Prior to this patch, shut stream callback only handles write channel closure. In case of an early closure, a RESET_STREAM would be emitted. On the frontend side in most cases this is sufficient as read channel is already closed, as HTTP/3 GET requests has been fully received. However, this may not be the case for POST requests. Also, on the backend side, haproxy acts a client. In this case, a stream early closure will typically happen before receiving the full response. Nothing will be emitted (RESET_STREAM is unnecessary as write channel is already closed), thus the server peer will continue to emit. To fix this situation, the current patch implement read channel closure on shut if SE_SHR_RESET is set. Callback lclose from app_ops is called with a new dedicated mode for read channel closure, which will result in a STOP_SENDING frame generated by H3 and hq transcoders. This will instruct the peer to stop emission. This should be backported up to 3.3. Note that this depends on the following patch : dde3ee06c30f20091443bdafdda0e0294f7ac26b MINOR: mux_quic: use separate error code for STOP_SENDING |
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
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)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.