6c08eb7173
If quic_connect_server() fails, quic_conn FD will remain unopened as set to -1. Backend connections do not have a fallback socket for future exchange, contrary to frontend one which can use the listener FD. As such, it is better to release these connections early. This patch adjusts such failure by extending quic_close(). This function is called by the upper layer immediately after a connect issue. In this case, release immediately a quic_conn backend instance if the FD is unset, which means that connect has previously failed. Also, quic_conn_release() is extended to ensure that such faulty connections are immediately freed and not converted into a quic_conn_closed instance. Prior to this patch, a backend quic_conn without any FD would remain allocated and possibly active. If its tasklet is executed, this resulted in a crash due to access to an invalid FD. No need to backport. |
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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.