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12c40c25a9
Modify rhttp preconnect by instantiating a new session for each connection attempt. Connection is thus linked to a session directly on its instantiation contrary to previously where no session existed until listener_accept(). This patch will allow to extend rhttp usage. Most notably, it will be useful to use various sample fetches on the server line and extend logging capabilities. Changes are minimal, yet consequences are considered not trivial as for the first time a FE connection session is instantiated before listener_accept(). This requires an extra explicit check in session_accept_fd() to not overwrite an existing session. Also, flag SESS_FL_RELEASE_LI is not set immediately as listener counters must note be decremented if connection and its session are freed before reversal is completed, or else listener counters will be invalid. conn_session_free() is used as connection destroy callback to ensure the session will be freed automatically on connection release.
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)