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In this patch we add a registration mechanism for modules. To do so, a module must defined the "promex_module" structure. The dump itself will be based on 2 contexts. One for all the dump and another one for each metric time-series. These contexts are used as restart points when the dump is interrupted. Modules must also implement 6 callback functions: * start_metric_dump(): It is an optional callback function. If defined, it is responsible to initialize the dump context use as the first restart point. * stop_metric_dump(): It is an optional callback function. If defined, it is responsible to deinit the dump context. * metric_info(): This one is mandatory. It returns the info about the metric: name, type and flags and descrition. * start_ts(): This one is mandatory, it initializes the context for a time series for a given metric. This context is the second restart point. * next_ts(): This one is mandatory. It interates on time series for a given metrics. It is also responsible to handle end of a time series and deinit the context. * fill_ts(): It fills info on the time series for a given metric : the labels and the value. In addition, a module must set its name and declare the number of metrics is exposed. |
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addons | ||
admin | ||
dev | ||
doc | ||
examples | ||
include | ||
reg-tests | ||
scripts | ||
src | ||
tests | ||
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.mailmap | ||
.travis.yml | ||
BRANCHES | ||
BSDmakefile | ||
CHANGELOG | ||
CONTRIBUTING | ||
INSTALL | ||
LICENSE | ||
MAINTAINERS | ||
Makefile | ||
README | ||
SUBVERS | ||
VERDATE | ||
VERSION |
README
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)