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Give Cluster::rr_topic "key" argument a default value

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This commit is contained in:
Jon Siwek 2018-09-07 09:57:52 -05:00
parent c73bb8fdc4
commit 73c8cf733a
4 changed files with 13 additions and 5 deletions
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10
scripts/base/frameworks/cluster/pools.bro
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@ -108,12 +108,16 @@ export {
## pool: the pool of nodes to consider.
##
## key: an arbitrary string to identify the purpose for which you're
## requesting the topic. e.g. consider using namespacing of your script
## like "Intel::cluster_rr_key".
## requesting the topic. e.g. consider using a name-spaced key
## like "Intel::cluster_rr_key" if you need to guarantee that
## a group of messages get distributed in a well-defined pattern
## without other messages being interleaved within the round-robin.
## Usually sharing the default key is fine for load-balancing
## purposes.
##
## Returns: a topic string associated with a cluster node that is alive,
## or an empty string if nothing is alive.
global rr_topic: function(pool: Pool, key: string): string;
global rr_topic: function(pool: Pool, key: string &default=""): string;
## Distributes log message topics among logger nodes via round-robin.
## This will be automatically assigned to :bro:see:`Broker::log_topic`