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cluster: Add Cluster scoped bifs

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... and a broker based test using Cluster::publish() and
Cluster::subscribe().
This commit is contained in:
Arne Welzel 2024-11-13 16:22:15 +01:00
parent 27e6d87331
commit ef04a199c8
17 changed files with 591 additions and 1 deletions
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42
scripts/base/frameworks/cluster/main.zeek
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@ -281,7 +281,30 @@ export {
## a given cluster node.
global nodeid_topic: function(id: string): string;
## Initialize the cluster backend.
##
## Cluster backends usually invoke this from a :zeek:see:`zeek_init` handler.
##
## Returns: T on success, else F.
global init: function(): bool;
## Subscribe to the given topic.
##
## topic: The topic to subscribe to.
##
## Returns: T on success, else F.
global subscribe: function(topic: string): bool;
## Unsubscribe from the given topic.
##
## topic: The topic to unsubscribe from.
##
## Returns: T on success, else F.
global unsubscribe: function(topic: string): bool;
## An event instance for cluster pub/sub.
##
## See :zeek:see:`Cluster::publish` and :zeek:see:`Cluster::make_event`.
type Event: record {
## The event handler to be invoked on the remote node.
ev: any;
@ -290,6 +313,10 @@ export {
};
}
# Needs declaration of Cluster::Event type.
@load base/bif/cluster.bif
# Track active nodes per type.
global active_node_ids: table[NodeType] of set[string];
@ -528,3 +555,18 @@ function log(msg: string)
{
Log::write(Cluster::LOG, [$ts = network_time(), $node = node, $message = msg]);
}
function init(): bool
{
return Cluster::Backend::__init();
}
function subscribe(topic: string): bool
{
return Cluster::__subscribe(topic);
}
function unsubscribe(topic: string): bool
{
return Cluster::__unsubscribe(topic);
}