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Holger Hans Peter Freyther 688095c6cb res_prometheus: Fix duplicate output of metric and help text ... The prometheus exposition format requires each line to be unique[1]. This is handled by struct prometheus_metric having a list of children that is managed when registering a metric. In case the scrape callback is used, it is the responsibility of the implementation to handle this correctly. Originally the bridge callback didn't handle NULL snapshots, the crash fix lead to NULL metrics, and fixing that lead to duplicates. The original code assumed that snapshots are not NULL and then relied on "if (i > 0)" to establish the parent/children relationship between metrics of the same class. This is not workerable as the first bridge might be invisible/lacks a snapshot. Fix this by keeping a separate array of the first metric by class. Instead of relying on the index of the bridge, check whether the array has an entry. Use that array for the output. Add a test case that verifies that the help text is not duplicated. Resolves: #642 [1] https://prometheus.io/docs/instrumenting/exposition_formats/#grouping-and-sorting		1 year ago
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bridges.c	res_prometheus: Fix duplicate output of metric and help text	1 year ago
channels.c	res: Fix for Doxygen.	3 years ago
cli.c	res_prometheus: Add CLI commands	6 years ago
endpoints.c	res: Fix for Doxygen.	3 years ago
pjsip_outbound_registrations.c	res: Fix for Doxygen.	3 years ago
prometheus_internal.h	progdocs: Avoid 'name' with Doxygen \file.	3 years ago