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Ths appctx used by a lua socket was synchronously initialized after the appctx creation. The connect itself is performed later. However it is an issue because the script may be interrupted beteween the two operation. In this case, the stream attached to the appctx is woken up before any destination is set. The stream will try to connect but without destination, it fails. When the lua script is rescheduled and the connect is performed, the connection has already failed and an error is returned. To fix the issue, we must be sure to not woken up the stream before the connect. To do so, we must defer the appctx initilization. It is now perform on connect. This patch relies on the following commits: * MINOR: hlua: Test the hlua struct first when the lua socket is connecting * MINOR: hlua: Save the lua socket's server in its context * MINOR: hlua: Save the lua socket's timeout in its context * MINOR: hlua: Don't preform operations on a not connected socket * MINOR: hlua: Set context's appctx when the lua socket is created All the series must be backported as far as 2.6.
The HAProxy documentation has been split into a number of different files for ease of use. 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)