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21e0d777b3
* accessing * across * adding * additional * addresses * afterwards * analyzer * ancillary * answer * associated * attempts * because * belonging * buffer * cleanup * committed * connects * database * destination * destroy * distinguished * encoded * entries * entry * hopefully * image * include * incorrect * information * initial * initiate * interval * into * java * negotiation * nodes * nonexistent * ntlm * occasional * omitted * otherwise * ourselves * paragraphs * particular * perform * received * receiver * referring * release * repetitions * request * responded * retrieval * running * search * separate * separator * should * synchronization * target * that * the * threshold * timeout * transaction * transferred * transmission * triggered * vetoes * virtual Signed-off-by: Josh Soref <2119212+jsoref@users.noreply.github.com>
85 lines
2.7 KiB
Text
85 lines
2.7 KiB
Text
##! The controllee portion of the control framework. Load this script if remote
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##! runtime control of the Zeek process is desired.
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##!
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##! A controllee only needs to load the controllee script in addition
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##! to the specific analysis scripts desired. It may also need a node
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##! configured as a controller node in the communications nodes configuration::
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##!
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##! zeek <scripts> frameworks/control/controllee
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@load base/frameworks/control
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@load base/frameworks/broker
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module Control;
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event zeek_init() &priority=-10
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{
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Broker::subscribe(Control::topic_prefix + "/" + Broker::node_id());
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Broker::auto_publish(Control::topic_prefix + "/id_value_response",
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Control::id_value_response);
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Broker::auto_publish(Control::topic_prefix + "/peer_status_response",
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Control::peer_status_response);
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Broker::auto_publish(Control::topic_prefix + "/net_stats_response",
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Control::net_stats_response);
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Broker::auto_publish(Control::topic_prefix + "/configuration_update_response",
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Control::configuration_update_response);
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Broker::auto_publish(Control::topic_prefix + "/shutdown_response",
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Control::shutdown_response);
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if ( Control::controllee_listen )
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Broker::listen();
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}
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event Control::id_value_request(id: string)
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{
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local val = lookup_ID(id);
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event Control::id_value_response(id, fmt("%s", val));
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}
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event Control::peer_status_request()
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{
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local status = "";
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# @todo: need to expose broker::endpoint::peers and broker::peer_status
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local peers = Broker::peers();
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for ( i in peers )
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{
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local bpeer = peers[i];
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status += fmt("%.6f peer=%s host=%s status=%s\n",
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network_time(),
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bpeer$peer$id,
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bpeer$peer$network$address,
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bpeer$status);
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}
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event Control::peer_status_response(status);
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}
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event Control::net_stats_request()
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{
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local ns = get_net_stats();
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local reply = fmt("%.6f recvd=%d dropped=%d link=%d\n", network_time(),
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ns$pkts_recvd, ns$pkts_dropped, ns$pkts_link);
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event Control::net_stats_response(reply);
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}
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event Control::configuration_update_request()
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{
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# Generate the alias event.
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event Control::configuration_update();
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# Don't need to do anything in particular here, it's just indicating that
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# the configuration is going to be updated. This event could be handled
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# by other scripts if they need to do some ancillary processing if
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# redef-able consts are modified at runtime.
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event Control::configuration_update_response();
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}
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event Control::shutdown_request()
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{
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# Send the acknowledgement event.
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event Control::shutdown_response();
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# Schedule the shutdown to let the current event queue flush itself first.
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schedule 1sec { terminate_event() };
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}
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