[Bro-Dev] [JIRA] (BIT-1377) Please merge topic/johanna/conn-threshold

[Johanna Amann (JIRA)]

Johanna Amann created BIT-1377:
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             Summary: Please merge topic/johanna/conn-threshold
                 Key: BIT-1377
                 URL: https://bro-tracker.atlassian.net/browse/BIT-1377
             Project: Bro Issue Tracker
          Issue Type: Improvement
          Components: Bro
    Affects Versions: git/master
            Reporter: Johanna Amann
             Fix For: 2.4


Please merge topic/johanna/conn-threshold. This branch adds a high-level and a low-level API for connection thresholding (packets or bytes).

The functions that are exposed to users are:
{code}
ConnThreshold::set_bytes_threshold(c, [bytes], [direction]);
ConnThreshold::set_packets_threshold(c, [packets], [direction]);
{code}

as well as ConnThreshold::delete_bytes_threshold and ConnThreshold::delete_packets_threshold to delete thresholds. Several thresholds can be added for a single connection; all of them will be raised.

The following two events trigger with the thresholds:

{code}
event ConnThreshold::bytes_threshold_crossed(c: connection, threshold: count, is_orig: bool)
event ConnThreshold::packets_threshold_crossed(c: connection, threshold: count, is_orig: bool)
{code}



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