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add broker output plugin for openflow (at the moment we more or less

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just send the flow_mod event along - there still is no feedback) and add
a testcase for it.

Also fix a few other small problems.
This commit is contained in:
Johanna Amann 2015-04-20 16:05:27 -07:00
parent 1fb7f5121e
commit a403dbd83e
9 changed files with 195 additions and 15 deletions
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106
testing/btest/scripts/base/frameworks/openflow/broker-basic.bro Normal file
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# @TEST-SERIALIZE: brokercomm
# @TEST-REQUIRES: grep -q ENABLE_BROKER $BUILD/CMakeCache.txt
# @TEST-EXEC: btest-bg-run recv "bro -b ../recv.bro broker_port=$BROKER_PORT >recv.out"
# @TEST-EXEC: btest-bg-run send "bro -b -r $TRACES/smtp.trace --pseudo-realtime ../send.bro broker_port=$BROKER_PORT >send.out"
# @TEST-EXEC: btest-bg-wait 20
# @TEST-EXEC: btest-diff recv/recv.out
# @TEST-EXEC: btest-diff send/send.out
@TEST-START-FILE send.bro
@load base/protocols/conn
@load base/frameworks/openflow
const broker_port: port &redef;
redef exit_only_after_terminate = T;
global of_controller: OpenFlow::Controller;
event bro_init()
{
suspend_processing();
of_controller = OpenFlow::broker_new(127.0.0.1, broker_port, 42);
}
event BrokerComm::outgoing_connection_established(peer_address: string,
peer_port: port,
peer_name: string)
{
print "BrokerComm::outgoing_connection_established", peer_address, peer_port;
continue_processing();
OpenFlow::flow_clear(of_controller);
OpenFlow::flow_mod(of_controller, [], [$cookie=1, $command=OpenFlow::OFPFC_ADD, $out_ports=vector(3, 7)]);
}
event BrokerComm::outgoing_connection_broken(peer_address: string,
peer_port: port)
{
terminate();
}
event connection_established(c: connection)
{
print "connection established";
local match = OpenFlow::match_conn(c$id);
local match_rev = OpenFlow::match_conn(c$id, T);
local flow_mod: OpenFlow::ofp_flow_mod = [
$cookie=42,
$command=OpenFlow::OFPFC_ADD,
$idle_timeout=30,
$priority=5
];
OpenFlow::flow_mod(of_controller, match, flow_mod);
OpenFlow::flow_mod(of_controller, match_rev, flow_mod);
}
@TEST-END-FILE
@TEST-START-FILE recv.bro
@load base/frameworks/openflow
const broker_port: port &redef;
redef exit_only_after_terminate = T;
global msg_count: count = 0;
event bro_init()
{
BrokerComm::enable();
BrokerComm::subscribe_to_events("bro/event/openflow");
BrokerComm::subscribe_to_events("bro/event/test_event");
BrokerComm::listen(broker_port, "127.0.0.1");
}
event BrokerComm::incoming_connection_established(peer_name: string)
{
print "BrokerComm::incoming_connection_established";
}
function got_message()
{
++msg_count;
if ( msg_count >= 4 )
terminate();
}
event OpenFlow::broker_flow_mod(dpid: count, match: OpenFlow::ofp_match, flow_mod: OpenFlow::ofp_flow_mod)
{
print "got flow_mod", dpid, match, flow_mod;
got_message();
}
event OpenFlow::broker_flow_clear(dpid: count)
{
print "flow_clear", dpid;
got_message();
}
@TEST-END-FILE