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FilterX: fix invalid LogMessage variables access #333

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merged 7 commits into from
Oct 29, 2024

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@OverOrion OverOrion commented Oct 11, 2024

This PR fixes accessing LogMessage type FilterX variables in case there had been changes between filterx blocks.

@OverOrion OverOrion force-pushed the filterx-context-scope-fix-minimal branch 11 times, most recently from e67d698 to 88b4238 Compare October 17, 2024 11:25
@OverOrion OverOrion marked this pull request as ready for review October 17, 2024 11:25
@OverOrion OverOrion changed the title filterx context scope fix minimal FilterX: fix invalid LogMessage variables access Oct 17, 2024
@MrAnno MrAnno self-requested a review October 17, 2024 11:34
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Nice 👍🏻

lib/filterx/filterx-scope.c Outdated Show resolved Hide resolved
lib/filterx/expr-variable.c Outdated Show resolved Hide resolved
lib/filterx/filterx-scope.c Outdated Show resolved Hide resolved
This is to better indicate the intention of synchronizing FilterX -> LogMessage.

Signed-off-by: Szilard Parrag <[email protected]>
A non-floating (i.e., tied to a LogMessage) FilterX variable is considered invalid if:
- its' generation counter is 0 AND
- the scope is syncable

This is to allow two consecutive FilterX blocks to pass non-floating variables
without calling filterx_scope_sync().
If they would be considered invalid then the changes would be lost in the latter block.
This is because it would fetch it via _pull_variable_from_message() which would
yield the unmodified LogMessageValue.

Signed-off-by: Szilard Parrag <[email protected]>
@OverOrion OverOrion force-pushed the filterx-context-scope-fix-minimal branch from 88b4238 to afd3f19 Compare October 28, 2024 15:43
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Nice :)

@MrAnno MrAnno merged commit 54b96ca into axoflow:main Oct 29, 2024
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2 participants