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At the moment we're facing difficulties with connection reuse based on the fact that connections may be allocated very early only to set a target address in transparent mode. With the imminent removal of the legacy mode, the connection reuse by a same stream will not exist anymore and all this awful complexity is not justified anymore. However we still need to be able to assign addresses somewhere. Thus instead of allocating a connection, we'll only place addresses where needed in the stream during operations. But this takes quite some room (typically 128 bytes). This is a nice opportunity for cleaning all this up and dynamically allocatating the addresses fields, which will result in actually saving memory from connection structs since most of the time the client's "to" address is not used and the server's "from" is not used either, thus saving ~256 bytes per end-to-end connection. For now these new "src" and "dst" pointers point to addr.from and addr.to. This will allow us to smoothly update the whole code to use these pointers prior to going further and switching them to pools.
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)