Hi all:
I have an event group rule where I record every event that occurs into
a context. What I would like to do is prune events that are no longer
in the window from the context. While I can use the:
slide = shift files_$1_accessed %DISCARD
action to remove the oldest entry, sometimes I get two or more lines
recorded in the same second.
Since the slide only triggers once for the two lines, I end up
accumulating extra lines that will be reported if the threshold is
crossed. While I can trim the context to include only "thresh" lines
when reporting it, I would prefer to keep the context trimmed as I go
along so status dumps (generated with a USR1 signal) would show the
events that are currently in play.
Is there some way to get the count of events in a window similar to
how I can get a window position with getwpos? I would expect to use
the (hypothetical) getwevcount similarly to:
slide = getwevcount %lines 0 ;\
getsize %evcount acl_violations ;\
lcall %remove_lines %evcount %lines -> ( sub { $_[0]-$_[1]; } ) ;\
while %remove_lines ( shift acl_violations %discard; \
lcall %remove_lines %remove_lines -> ( sub { $_[0]-1; } ) ; \
) ;
Anybody with an alternate idea on how I could get what I want?
--
-- rouilj
John Rouillard
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