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Since the 2.2 and the commit dedd30610 ("MEDIUM: h1: Don't wake the H1 tasklet
if we got the whole request."), we avoid to subscribe for reads if the H1
message is fully received. However, this broke the abortonclose option. To fix
the issue, a CO_RFL flag was added to instruct the mux it should still wait for
read events to properly handle read0. Only the H1 mux was concerned.
But since then, most of time, the option is only handled if it is set on the
frontend proxy because the request is fully received before selecting the
backend. If the backend is selected before the end of the request there is no
issue. But otherwise, because the backend is not known yet, we are unable to
properly handle the option and we miss to subscribe for reads.
Of course the option cannot be set on a frontend proxy. So concretly it means
the option is properly handled if it is enabled in the defaults section (if
common to frontend and backend) or a listen proxy, but it is ignored if it is
set on backend only.
Thanks to previous patches, we can now instruct the mux it should subscribe for
reads if not already done. We use this mechanism in process_stream() when the
connection is set up, ie when backend SC is set to SC_ST_REQ state.
This patch relies on following patches:
* MINOR: connection: Add a CTL flag to notify mux it should wait for reads again
* MEDIUM: mux-h1: Handle MUX_SUBS_RECV flag in h1_ctl() and susbscribe for reads
This patch should be the issue #2344. All the series must be backported as far
as 2.2.
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)