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Add a new qcc member named <nb_hreq>. Its purpose is close to <nb_sc> which represents the number of attached stream connectors. Both are incremented inside qc_attach_sc(). The difference is on the decrement operation. While <nb_cs> is decremented on sedesc detach callback, <nb_hreq> is decremented when the qcs is locally closed. In most cases, <nb_hreq> will be decremented before <nb_cs>. However, it will be the reverse if a stream must be kept alive after detach callback. The main purpose of this field is to implement http-keep-alive timeout. Both <nb_sc> and <nb_hreq> must be null to activate the http-keep-alive timeout.
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)