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HAProxy - Load balancer
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Willy Tarreau b8e3b0a18d BUG/MEDIUM: stream: make stream_shutdown() async-safe 
The solution found in commit b500e84e24 ("BUG/MINOR: server: shut down
streams under thread isolation") to deal with inter-thread stream
shutdown doesn't work fine because there exists code paths involving
a server lock which can then deadlock on thread_isolate(). A better
solution then consists in deferring the shutdown to the stream itself
and just wake it up for that.

The only thing is that TASK_WOKEN_OTHER is a bit too generic and we
need to pass at least 2 types of events (SF_ERR_DOWN and SF_ERR_KILLED),
so we're now leveraging the new TASK_F_UEVT1 and _UEVT2 flags on the
task's state to convey these info. The caller only needs to wake the
task up with these flags set, and the stream handler will then finish
the job locally using stream_shutdown_self().

This needs to be carefully backported to all branches affected by the
dequeuing issue and containing any of the 5541d4995d ("BUG/MEDIUM:
queue: deal with a rare TOCTOU in assign_server_and_queue()"), and/or
b11495652e ("BUG/MEDIUM: queue: implement a flag to check for the
dequeuing").
2024-09-27 12:15:41 +02:00
.github CI: QUIC Interop: use different artifact names for uploading logs 2024-08-26 11:19:41 +02:00
addons BUG/MEDIUM: promex: Wait to have the request before sending the response 2024-09-16 22:56:28 +02:00
admin CLEANUP: assorted typo fixes in the code and comments 2024-09-03 17:49:21 +02:00
dev DEV: flags/applet: decode appctx flags 2024-09-24 18:26:36 +02:00
doc DOC: config: document proxy "log-steps" keyword 2024-09-26 16:53:07 +02:00
examples MEDIUM: protocol: add MPTCP per address support 2024-08-30 18:53:49 +02:00
include BUG/MEDIUM: stream: make stream_shutdown() async-safe 2024-09-27 12:15:41 +02:00
reg-tests REGTESTS: add a test for proxy "log-steps" 2024-09-26 16:53:07 +02:00
scripts SCRIPTS: create-release: no more need to skip architecture.txt 2024-07-10 15:38:45 +02:00
src BUG/MEDIUM: stream: make stream_shutdown() async-safe 2024-09-27 12:15:41 +02:00
tests MAJOR: import: update mt_list to support exponential back-off (try #2) 2024-07-09 16:46:38 +02:00
.cirrus.yml CI: FreeBSD: upgrade image, packages 2024-06-04 11:19:00 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CONTRIB: Add vi file extensions to .gitignore 2023-06-02 18:14:34 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml CI: travis-ci: temporarily disable arm64 builds 2021-08-07 07:28:15 +02:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.1-dev8 2024-09-18 22:29:08 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL DOC: install: don't reference removed CPU arg 2024-07-16 20:06:06 +02:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile IMPORT: import cebtree (compact elastic binary trees) 2024-09-15 23:44:59 +02:00
README.md DOC: change the link to the FreeBSD CI in README.md 2024-06-03 15:21:29 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.1-dev8 2024-09-18 22:29:08 +02:00
VERSION [RELEASE] Released version 3.1-dev8 2024-09-18 22:29:08 +02:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

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:

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.