zeek/policy/frameworks/control/controllee.bro
Seth Hall d9f0612546 Lots of cleanup, tests, and the new Control framework.
- Control framework is for runtime control of Bro instances.
  It was extracted from BroControl and made more generic.

- Tests for cluster frameworks and control framework.

- Small fix for btest.cfg

- Fixed a bug in the cluster framework that was causing things to break.
2011-07-13 17:09:20 -04:00

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@load frameworks/control
# If an instance is a controllee, it implicitly needs to listen for remote
# connections.
@load frameworks/communication/listen-clear
module Control;
event Control::id_value_request(id: string)
{
local val = lookup_ID(id);
event Control::id_value_response(id, fmt("%s", val));
}
event Control::peer_status_request()
{
local status = "";
for ( p in Communication::nodes )
{
local peer = Communication::nodes[p];
if ( ! peer$connected )
next;
status += fmt("peer=%s host=%s events_in=? events_out=? ops_in=? ops_out=? bytes_in=? bytes_out=?\n",
peer$peer$descr, peer$host);
}
event Control::peer_status_response(status);
}
event Control::net_stats_request()
{
local ns = net_stats();
local reply = fmt("%.6f recvd=%d dropped=%d link=%d\n", network_time(),
ns$pkts_recvd, ns$pkts_dropped, ns$pkts_link);
event Control::net_stats_response(reply);
}
event Control::configuration_update_request()
{
# Generate the alias event.
event Control::configuration_update();
# Don't need to do anything in particular here, it's just indicating that
# the configuration is going to be updated. This event could be handled
# by other scripts if they need to do some ancilliary processing if
# redef-able consts are modified at runtime.
event Control::configuration_update_response();
}
event Control::shutdown_request()
{
# Send the acknowledgement event.
event Control::shutdown_response();
# Schedule the shutdown to let the current event queue flush itself first.
event terminate_event();
}