5c8c9fc528
Rework GOAWAY emission handling at the HTTP/3 layer. Previously, h3c member <id_goaway> were updated during the connection on each new streams attach. This ID was finally reused when a GOAWAY was emitted. However, this is unnecessary to keep an updated ID during the connection lifetime. Indeed, <largest_bidi_r> QCC member can be used for the same purpose. Note that this is only useful for the frontend side. For a client connection, GOAWAY contains a PUSH ID, thus 0 can be used for now. Thus, <id_goaway> in h3c is renamed <id_shut_l>. Now it is only sent when the GOAWAY is emitted. This allows to reject any streams with a greater ID. This approach is considered simpler. Note that <largest_bidi_r> is not strictly similar to the obsolete <id_goaway>. Indeed, if an error occurs before the corresponding stream layer allocation, the former would still be incremented. However, this is not a real issue as GOAWAY specification is clear that lower IDs are not guaranteed to being handled well, until either the stream is closed or resetted, or the whole connection is teared down. |
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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.