This class is a parameter of virtual methods of the Backend API for users
to implement and also a parameter to the HookPublishEvent() API. Seems it
shouldn't be in detail and instead we should own it.
Alternatively, could mark the cluster APIs as not-stable-yet, but I
think we can move forward and make it non-detail for 8.0.
* origin/topic/awelzel/4431-zeromq-drop-policy-v2:
cluster.bif: Improve Cluster::publish() docstring
btest/cluster/zeromq: Add tests for overload behavior
cluster/zeromq: Metric for msg errors
cluster/zeromq: Drop events when overloaded
cluster/zeromq: Comments and move lookups to InitPostScript()
cluster/zeromq: Rework lambdas to member functions
cluster/zeromq: Support local XPUB/XSUB hwm and buf configurability
cluster/OnLoop: Support DontBlock and Force flags for queueing
cluster/ThreadedBackend: Injectable OnLoopProcess instance
The overload-drop.zeek and overload-no-drop.zeek tests have proxy,
worker-1 and worker-2 publish to the manager topic. For the drop
case, we verify that both, the senders, but also the manager drops
events. For the no-drop test, the HWMs are set such that all events
are buffered.
The overload-worker-proxy-topic*.zeek tests are similar, but instead
of publishing to the manager topic, proxy, worker-1 and worker-2 publish
to the proxy and worker topics to overload each other. This had
previously resulted in lockups and these tests verify that this doesn't
happen anymore.
When either the XPUB socket's hwm is reached, or the onloop queue is
full, drop the events. Users can set ths xpub_sndhwm and
onloop_queue_hwm to 0 to avoid these drops at the risk of unbounded
memory growth.
* origin/topic/timw/lazy-allocate-id-option-handlers:
Move ID::type in structure to fill memory padding
Use sorted forward_list instead of multimap for ID option change handlers
* origin/topic/timw/cpp20-modernization:
Remove intermediate cipher vectors in ssl-analyzer.pac
Reduce the size of Func::Body quite a bit with some extra packing
Switch to using std::ranges algorithms
Enable modernize-std-numbers clang-tidy checker, fix findings
Switch to using c++20 constraints instead of std::enable_if
Not sure it's the best place to put, but we don't have packet analysis stats
bif and also num_packets is already there, so seems reasonable to put the
num_packets_unprocessed into
* origin/topic/awelzel/conn-id-ctx-singleton:
RecordType: Allow field init deferral of deferrable record constructors
Conn: Use conn_id_ctx singleton
Conn: Add InitPostScript() and conn_id_ctx singleton
ID: Add conn_id_ctx
The ctx: conn_id_ctx &default=conn_id_ctx() field was not optimized
as deferrable even though by default its an empty record and so deferring
initialization seems safe. Open-code the special record constructor
expression case in ExprFieldInit so that the ctx field is not default
initialized at record construction anymore. I am wondering a bit if the
same applies to &default=set() and &default=table().
