bc4c3c7969
An optional timeout was added to AppletTCP.receive() to interrupt calls after a delay. It was mandatory to be able to implement interactive applets (like trisdemo). However, this broke the API and it made impossible to differentiate the shutdowns from the delays expirations. Indeed, in both cases, an empty string was returned. Because historically an empty string was used to notify a connection shutdown, it should not be changed. So now, 'nil' value is returned when no data was available before the delay expiration. The new AppletTCP:try_receive() function was also affected. To fix it, instead of stating there is no delay when a receive is tried, an expired delay is set. Concretely TICK_ETERNITY was replaced by now_ms. Finally, AppletTCP:getline() function is not concerned for now because there is no way to interrupt it after some delay. The documentation and trisdemo lua script were updated accordingly. This patch depends on "BUG/MEDIUM: hlua: Properly detect shudowns for TCP applets based on the new API". However, it is a 3.2-specific issue, so no backport is needed. |
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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.