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69 lines
2.1 KiB
Text
69 lines
2.1 KiB
Text
##! The controllee portion of the control framework. Load this script if remote
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##! runtime control of the Bro 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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##! bro <scripts> frameworks/control/controllee
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@load base/frameworks/control
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# If an instance is a controllee, it implicitly needs to listen for remote
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# connections.
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@load frameworks/communication/listen
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module Control;
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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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for ( p in Communication::nodes )
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{
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local peer = Communication::nodes[p];
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if ( ! peer$connected )
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next;
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local res = resource_usage();
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status += fmt("%.6f peer=%s host=%s events_in=%s events_out=%s ops_in=%s ops_out=%s bytes_in=? bytes_out=?\n",
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network_time(),
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peer$peer$descr, peer$host,
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res$num_events_queued, res$num_events_dispatched,
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res$blocking_input, res$blocking_output);
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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 = 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 ancilliary 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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event terminate_event();
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}
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