zeek/scripts/base/frameworks/cluster/setup-connections.bro
Seth Hall 597a4d6704 Hopefully the last major script reorganization.
- policy/ renamed to scripts/

- By default BROPATH now contains:
	- scripts/
	- scripts/policy
	- scripts/site

- *Nearly* all tests pass.

- All of scripts/base/ is loaded by main.cc
	- Can be disabled by setting $BRO_NO_BASE_SCRIPTS
	- Scripts in scripts/base/ don't use relative path loading to ease use of BRO_NO_BASE_SCRIPTS (to copy and paste that script).

- The scripts in scripts/base/protocols/ only (or soon will only) do logging and state building.

- The scripts in scripts/base/frameworks/ add functionality without causing any additional overhead.

- All "detection" activity happens through scripts in scripts/policy/.

- Communications framework modified temporarily to need an environment variable to actually enable (ENABLE_COMMUNICATION=1)
	- This is so the communications framework can be loaded as part
	  of the base without causing trouble when it's not needed.
	- This will be removed once a resolution to ticket #540 is reached.
2011-08-05 23:09:53 -04:00

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module Cluster;
event bro_init() &priority=9
{
local me = nodes[node];
for ( i in Cluster::nodes )
{
local n = nodes[i];
# Connections from the control node for runtime control and update events.
# Every node in a cluster is eligible for control from this host.
if ( n$node_type == CONTROL )
Communication::nodes["control"] = [$host=n$ip, $connect=F,
$class="control", $events=control_events];
if ( me$node_type == MANAGER )
{
if ( n$node_type == WORKER && n$manager == node )
Communication::nodes[i] =
[$host=n$ip, $connect=F,
$class=i, $events=worker_events, $request_logs=T];
if ( n$node_type == PROXY && n$manager == node )
Communication::nodes[i] =
[$host=n$ip, $connect=F,
$class=i, $events=proxy_events, $request_logs=T];
if ( n$node_type == TIME_MACHINE && me?$time_machine && me$time_machine == i )
Communication::nodes["time-machine"] = [$host=nodes[i]$ip, $p=nodes[i]$p,
$connect=T, $retry=1min];
}
else if ( me$node_type == PROXY )
{
if ( n$node_type == WORKER && n$proxy == node )
Communication::nodes[i] =
[$host=n$ip, $connect=F, $class=i, $events=worker_events];
# accepts connections from the previous one.
# (This is not ideal for setups with many proxies)
# FIXME: Once we're using multiple proxies, we should also figure out some $class scheme ...
if ( n$node_type == PROXY )
{
if ( n?$proxy )
Communication::nodes[i]
= [$host=n$ip, $p=n$p,
$connect=T, $auth=F, $sync=T, $retry=1mins];
else if ( me?$proxy && me$proxy == i )
Communication::nodes[me$proxy]
= [$host=nodes[i]$ip, $connect=F, $auth=T, $sync=T];
}
# Finally the manager, to send it status updates.
if ( n$node_type == MANAGER && me$manager == i )
Communication::nodes["manager"] = [$host=nodes[i]$ip, $p=nodes[i]$p,
$connect=T, $retry=1mins,
$class=node];
}
else if ( me$node_type == WORKER )
{
if ( n$node_type == MANAGER && me$manager == i )
Communication::nodes["manager"] = [$host=nodes[i]$ip, $p=nodes[i]$p,
$connect=T, $retry=1mins,
$class=node];
if ( n$node_type == PROXY && me$proxy == i )
Communication::nodes["proxy"] = [$host=nodes[i]$ip, $p=nodes[i]$p,
$connect=T, $retry=1mins,
$class=node];
if ( n$node_type == TIME_MACHINE && me?$time_machine && me$time_machine == i )
Communication::nodes["time-machine"] = [$host=nodes[i]$ip, $p=nodes[i]$p,
$connect=T, $retry=1min];
}
}
}