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f1ea47d896
A workaround for some difficulties encountered to anticipate end of
messages was addressed by commit 810df0614 ("MEDIUM: htx: Add a flag on
a HTX message when no more data are expected"), but there were 3 issues
in it (with minor impact):
- the flag was mistakenly set before an EOH in Lua, which would only
cause incomplete packets to be emitted for now but could cause
truncated responses in the future. It's not needed to add it on
the next EOM block as http_forward_proxy_resp() already does it.
- one was still missing in hlua_applet_http_fct(), possibly causing
delays on Lua services
- one was missing in the Prometheus exporter.
All this simply shows that this mechanism is still quite fragile and
not trivial to use, especially in order to deal with the impossibility
to append the EOM, so we'll need to improve the solution in the future
and future backports should not be completely ruled out.
This fix must be backported where the patch above is backported,
typically 2.1 and later as it was required for a set of fixes.
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)