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21cc5f9132
This is just a small optimization on top of what is there. Add state to Func for tracking if any enabled bodies exist which allows us to propagate it up to the EventHandler::bool() operator. In turn, when all bodies of an event's Func have been runtime disabled, the event itself will not be invoked anymore. Experiments have shown that this allows runtime toggling of new_event() without performance impact when disabled. This could enable use-cases where new_packet() handlers are enabled for a split second once in a while to either dump or sample raw packet data at runtime.
117 lines
2.5 KiB
Text
117 lines
2.5 KiB
Text
# @TEST-DOC: Disabling an unrelated event group caused auto-publish to break because the remote event had no bodies and got disabled. This is a regression test it's not being done again.
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#
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# @TEST-GROUP: broker
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#
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# @TEST-PORT: BROKER_PORT
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#
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# @TEST-EXEC: btest-bg-run recv "zeek -b ../recv.zeek >recv.out"
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# @TEST-EXEC: btest-bg-run send "zeek -b ../send.zeek >send.out"
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#
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# @TEST-EXEC: btest-bg-wait 10
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# @TEST-EXEC: btest-diff recv/recv.out
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# @TEST-EXEC: btest-diff send/send.out
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@TEST-START-FILE send.zeek
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global event_count = 0;
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global ping: event(msg: string, c: count);
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event zeek_init()
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{
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Broker::subscribe("zeek/event/my_topic");
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Broker::auto_publish("zeek/event/my_topic", ping);
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Broker::peer("127.0.0.1", to_port(getenv("BROKER_PORT")));
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}
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function send_event()
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{
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event ping("my-message", ++event_count);
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}
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event Broker::peer_added(endpoint: Broker::EndpointInfo, msg: string)
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{
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print fmt("sender added peer: endpoint=%s msg=%s", endpoint$network$address, msg);
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send_event();
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}
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event Broker::peer_lost(endpoint: Broker::EndpointInfo, msg: string)
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{
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print fmt("sender lost peer: endpoint=%s msg=%s", endpoint$network$address, msg);
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terminate();
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}
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event pong(msg: string, n: count) &is_used
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{
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print fmt("sender got pong: %s, %s", msg, n);
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send_event();
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}
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module TestDumpEvents;
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event pong(msg: string, n: count) &is_used
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{
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print fmt("ERROR: This should not be visible: %s, %s", msg, n);
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}
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event zeek_init()
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{
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disable_module_events("TestDumpEvents");
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}
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@TEST-END-FILE
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@TEST-START-FILE recv.zeek
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redef exit_only_after_terminate = T;
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const events_to_recv = 5;
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global pong: event(msg: string, c: count);
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event zeek_init()
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{
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Broker::subscribe("zeek/event/my_topic");
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Broker::auto_publish("zeek/event/my_topic", pong);
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Broker::listen("127.0.0.1", to_port(getenv("BROKER_PORT")));
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}
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event Broker::peer_added(endpoint: Broker::EndpointInfo, msg: string)
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{
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print fmt("receiver added peer: endpoint=%s msg=%s",
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endpoint$network$address, msg);
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}
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event Broker::peer_lost(endpoint: Broker::EndpointInfo, msg: string)
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{
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print fmt("receiver lost peer: endpoint=%s msg=%s",
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endpoint$network$address, msg);
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}
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event ping(msg: string, n: count) &is_used
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{
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print fmt("receiver got ping: %s, %s", msg, n);
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if ( n == events_to_recv )
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{
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terminate();
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return;
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}
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event pong(msg, n);
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}
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module TestDumpEvents;
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event ping(msg: string, n: count) &is_used
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{
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print fmt("ERROR: This should not be visible: %s, %s", msg, n);
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}
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event zeek_init()
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{
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disable_module_events("TestDumpEvents");
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}
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@TEST-END-FILE
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