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cluster/websocket: Make websocket dispatcher queue size configurable

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Limit the number WebSocket events queued from external clients to
dispatcher instances to produce back pressure to the clients if
Zeek's IO loop is overloaded.
This commit is contained in:
Arne Welzel 2025-04-16 16:59:05 +02:00
parent 6bd624d9b2
commit 011029addc
9 changed files with 45 additions and 10 deletions
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7
testing/btest/cluster/websocket/listen-idempotent.zeek
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@ -46,5 +46,12 @@ event zeek_init()
assert Cluster::listen_websocket(ws_tls_opts_copy);
assert ! Cluster::listen_websocket(ws_opts_wss_port);
# Using a different max_event_queue_size fails, but using the default should work.
local ws_opts_qs = copy(ws_opts);
ws_opts_qs$max_event_queue_size = 42;
assert ! Cluster::listen_websocket(ws_opts_qs);
ws_opts_qs$max_event_queue_size = Cluster::default_websocket_max_event_queue_size;
assert Cluster::listen_websocket(ws_opts_qs);
terminate();
}