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API updates for metrics framework.

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- Removed default logging.  Now a function is available for the new
  $period_finished filter field to get the same behavior for logging
  named Metrics::write_log.

- Added index rollups for getting multiple metrics result values
  as the same time.
This commit is contained in:
Seth Hall 2012-12-18 01:08:59 -05:00
parent 69030fdff3
commit 69b7ce12d2
17 changed files with 304 additions and 162 deletions
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15
scripts/policy/frameworks/metrics/http-example.bro
View file

@ -8,15 +8,16 @@
event bro_init()
{
# TODO: these are waiting on a fix with table vals + records before they will work.
#Metrics::add_filter(HTTP_REQUESTS_BY_HOST_HEADER,
# [$pred(index: Metrics::Index) = { return Site::is_local_addr(index$host); },
# $aggregation_mask=24,
# $break_interval=1min]);
Metrics::add_filter("http.request.by_host_header",
[$every=1min, $measure=set(Metrics::SUM),
$pred(index: Metrics::Index, data: Metrics::DataPoint) = { return T; return Site::is_local_addr(index$host); },
$aggregation_mask=24,
$period_finished=Metrics::write_log]);
# Site::local_nets must be defined in order for this to actually do anything.
Metrics::add_filter("http.request.by_status_code", [$aggregation_table=Site::local_nets_table,
$break_interval=1min]);
Metrics::add_filter("http.request.by_status_code", [$every=1min, $measure=set(Metrics::SUM),
$aggregation_table=Site::local_nets_table,
$period_finished=Metrics::write_log]);
}
event HTTP::log_http(rec: HTTP::Info)