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HAProxy - Load balancer
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Aurelien DARRAGON d655ed5f14
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BUG/MAJOR: stats-file: ensure shm_stats_file_object struct mapping consistency (2nd attempt) 
This is a second attempt at fixing issues on 32bits systems which would
trigger the following BUG_ON() statement:

 FATAL: bug condition "sizeof(struct shm_stats_file_object) != 544" matched at src/stats-file.c:825 shm_stats_file_object struct size changed, is is part of the exported API: ensure all precautions were taken (ie: shm_stats_file version change) before adjusting this

This is a drop-in replacement for d30b88a6c + 4693ee0ff, as suggested by
Willy.

Indeed, on supported platforms unsigned int can be assumed to be 4 bytes
long, and long can be assumed to be 8 bytes long. As such, the previous
attempt was overkill and added unecessary maintenance complexity which
could result in bugs if not used properly. Moreover, it would only
partially solve the issue, since on little endian vs big endian
architectures, the provisioned memory areas (originating from the same
shm stats file) could be read differently by the host.

Instead we fix the aligments issues, and this alone helps to ensure
struct memory consistency on 64 vs 32bits platforms. It was tested
on both i386 and i586.

last_change and last_sess counters are now stored as unsigned int, as
it helped to fix the alignment issues and they were found to be used
as 32bits integers anyway.

Thanks to Willy for problem analysis and the patch proposal.

No backport needed.
2025-10-24 09:35:38 +02:00
.github CI: github: build halog on the vtest job 2025-09-26 16:29:29 +02:00
addons MINOR: applet: Add a flag to know an applet is using HTX buffers 2025-08-25 11:11:05 +02:00
admin ADMIN: reload: introduce -vv mode 2025-09-29 19:29:10 +02:00
dev DEV: patchbot: use git reset+checkout instead of pull 2025-10-08 04:38:35 +02:00
doc BUG/MINOR: quic: rename and duplicate stream settings 2025-10-23 16:49:20 +02:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include BUG/MAJOR: stats-file: ensure shm_stats_file_object struct mapping consistency (2nd attempt) 2025-10-24 09:35:38 +02:00
reg-tests REGTESTS: remove experimental from quic/retry.vtc 2025-10-17 20:55:43 +02:00
scripts CI: scripts: build curl with ECH support 2025-09-25 17:05:46 +02:00
src BUG/MAJOR: stats-file: ensure shm_stats_file_object struct mapping consistency (2nd attempt) 2025-10-24 09:35:38 +02:00
tests TESTS: quic: add unit-tests for QUIC TX part 2025-09-08 14:49:03 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-3 2025-10-09 14:06:48 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: tevt/dev: Add term_events tool 2025-01-31 10:41:50 +01:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml MEDIUM: mworker: remove USE_SYSTEMD requirement for -Ws 2024-11-20 12:07:38 +01:00
BRANCHES DOC: clarify the experimental status for certain features 2025-10-17 18:41:13 +02:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.3-dev10 2025-10-18 11:24:05 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL BUILD: makefile: bump the default minimum linux version to 4.17 2025-09-05 09:44:56 +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 BUG/MEDIUM: build: limit excessive and counter-productive gcc-15 vectorization 2025-10-23 10:06:52 +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 3.3-dev10 2025-10-18 11:24:05 +02:00
VERSION [RELEASE] Released version 3.3-dev10 2025-10-18 11:24:05 +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.