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Previously, statistics were simply defined as a list of name_desc, as for example "stat_cols_px" for proxy stats. No notion of type was fixed for each stat definition. This correspondance was done individually inside stats_fill_*_line() functions. This renders the process to define new statistics tedious. Implement a more expressive stat definition method via a new API. A new type "struct stat_col" for stat column to replace name_desc usage is defined. It contains a field to store the stat nature and format. A <cap> field is also defined to be able to define a proxy stat only for certain type of objects. This new type is also further extended to include counter offsets. This allows to define a method to automatically generate a stat value field from a "struct stat_col". This will be the subject of a future commit. New type "struct stat_col" is fully compatible full name_desc. This allows to gradually convert stats definition. The focus will be first for proxies counters to implement statistics preservation on reload.
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)