def runTest(self):
logging = get_logger()
logging.info("Running TestNo50 No Common Version Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
logging.info(
"Changing hello message version to 0 and sending it to control plane"
)
request.header.version = 0
rv = self.controller.message_send(request)
logging.info("Expecting OFPT_ERROR message")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is not None,
'Switch did not reply with error message')
logging.info("Error message received")
if response.type == ofp.OFPET_BAD_REQUEST:
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response.type == ofp.OFPET_HELLO_FAILED,
'Message field type is not HELLO_FAILED')
logging.info("Received message is of type HELLO_FAILED")
self.assertTrue(response.code == ofp.OFPHFC_INCOMPATIBLE,
'Message field code is not OFPHFC_INCOMPATIBLE')
def runTest(self):
logging = get_logger()
logging.info("Running TestNo50 No Common Version Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
logging.info("Changing hello message version to 0 and sending it to control plane")
request.header.version=0
rv = self.controller.message_send(request)
logging.info("Expecting OFPT_ERROR message")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is not None,
'Switch did not reply with error message')
logging.info("Error message received")
if response.type == ofp.OFPET_BAD_REQUEST:
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response.type==ofp.OFPET_HELLO_FAILED,
'Message field type is not HELLO_FAILED')
logging.info("Received message is of type HELLO_FAILED")
self.assertTrue(response.code==ofp.OFPHFC_INCOMPATIBLE,
'Message field code is not OFPHFC_INCOMPATIBLE')
def setUp(self):
logging = get_logger()
#This is almost same as setUp in SimpleProtocol except that intial hello is set to false
self.controller = controller.Controller(
host=config["controller_host"],
port=config["controller_port"])
time_out = config["controller_timeout"]
# clean_shutdown should be set to False to force quit app
self.clean_shutdown = True
#set initial hello to False
self.controller.initial_hello=False
self.controller.start()
self.controller.connect(timeout=time_out)
# By default, respond to echo requests
self.controller.keep_alive = True
if not self.controller.active:
raise Exception("Controller startup failed")
if self.controller.switch_addr is None:
raise Exception("Controller startup failed (no switch addr)")
logging.info("Connected " + str(self.controller.switch_addr))
logging.info("Sending Hello message with incorrect version..")
request = message.hello()
logging.info("Change hello message version to 0 and send it to control plane")
request.header.version=0
rv = self.controller.message_send(request)
def _send_hand_shake(self):
"""
This is send only; All of the negotiation happens elsewhere, e.g.,
if the remote side speaks a different protocol version
"""
self.logger.debug("Sending initial HELLO")
ret = self.message_send(message.hello())
if ret != 0:
self.logger.error("Got %d when sending initial HELL0" % (ret))
def _send_hand_shake(self):
"""
This is send only; All of the negotiation happens elsewhere, e.g.,
if the remote side speaks a different protocol version
"""
self.logger.debug("Sending initial HELLO")
ret = self.message_send(message.hello())
if ret != 0 :
self.logger.error("Got %d when sending initial HELL0" % (ret))
def runTest(self):
self.num_controllers = test_param_get('num_controllers', default=1)
self.controller_timeout = test_param_get('controller_timeout',
default=-1)
for i in range(self.num_controllers):
self.controllerSetup(config["controller_host"],
config["controller_port"] + i)
for i in range(self.num_controllers):
self.controllers[i].handshake_done = False
# try to maintain switch connections for specified timeout
# -1 means forever
while True:
for con in self.controllers:
if con.switch_socket and con.handshake_done:
if (self.controller_timeout < 0
or con.count < self.controller_timeout):
logging.info(con.host + ":" + str(con.port) +
": maintaining connection to " +
str(con.switch_addr))
con.count = con.count + 1
else:
logging.info(con.host + ":" + str(con.port) +
": disconnecting from " +
str(con.switch_addr))
con.disconnect()
con.handshake_done = False
con.count = 0
time.sleep(1)
else:
#@todo Add an option to wait for a pkt transaction to
# ensure version compatibilty?
con.connect(self.default_timeout)
if not con.switch_socket:
logging.info("Did not connect to switch")
continue
logging.info("TCP Connected " + str(con.switch_addr))
logging.info("Sending hello")
con.message_send(message.hello())
request = message.features_request()
reply, pkt = con.transact(request,
timeout=self.default_timeout)
if reply:
logging.info("Handshake complete with " +
str(con.switch_addr))
con.handshake_done = True
con.keep_alive = True
con.count = 0
else:
logging.info("Did not complete features_request " +
"for handshake")
con.disconnect()
con.handshake_done = False
con.count = 0
def runTest(self):
self.num_controllers = test_param_get('num_controllers', default=1)
self.controller_timeout = test_param_get('controller_timeout',
default=-1)
for i in range(self.num_controllers):
self.controllerSetup(config["controller_host"],
config["controller_port"]+i)
for i in range(self.num_controllers):
self.controllers[i].handshake_done = False
# try to maintain switch connections for specified timeout
# -1 means forever
while True:
for con in self.controllers:
if con.switch_socket and con.handshake_done:
if (self.controller_timeout < 0 or
con.count < self.controller_timeout):
logging.info(con.host + ":" + str(con.port) +
": maintaining connection to " +
str(con.switch_addr))
con.count = con.count + 1
else:
logging.info(con.host + ":" + str(con.port) +
": disconnecting from " +
str(con.switch_addr))
con.disconnect()
con.handshake_done = False
con.count = 0
time.sleep(1)
else:
#@todo Add an option to wait for a pkt transaction to
# ensure version compatibilty?
con.connect(self.default_timeout)
if not con.switch_socket:
logging.info("Did not connect to switch")
continue
logging.info("TCP Connected " + str(con.switch_addr))
logging.info("Sending hello")
con.message_send(message.hello())
request = message.features_request()
reply, pkt = con.transact(request,
timeout=self.default_timeout)
if reply:
logging.info("Handshake complete with " +
str(con.switch_addr))
con.handshake_done = True
con.keep_alive = True
con.count = 0
else:
logging.info("Did not complete features_request " +
"for handshake")
con.disconnect()
con.handshake_done = False
con.count = 0
def runTest(self):
logging.info("Running Grp20No100 Hello test")
logging.info("Sending Hello")
logging.info("Expecting a Hello on the control plane with version--1.0.0")
# Send Hello message
request = message.hello()
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO, timeout=1)
self.assertTrue(response is not None, "Switch did not exchange hello message in return")
self.assertTrue(response.header.version == 0x01, "switch openflow-version field is not 1.0.0")
def runTest(self):
logging.info("Running TestNo60 Version Announcement test")
of_version = test_param_get('version',default = 0x01)
request = message.hello()
rv = self.controller.message_send(request)
self.assertTrue(rv != -1, "Error sending Hello message")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
self.assertTrue(response is not None,
'Switch did not exchange hello message in return')
self.assertTrue(response.header.version == of_version, 'switch openflow-version field is not 1.0.0')
def runTest(self):
logging = get_logger()
logging.info("Running Grp80No10 HelloWithoutBody Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
rv = self.controller.message_send(request)
logging.info("Verify switch does not generate an error")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch generated ERROR in response to our Hello message')
def runTest(self):
self.controllerSetup(config["controller_host"],
config["controller_port"])
self.controllers[0].connect(self.default_timeout)
logging.info("TCP Connected " + str(self.controllers[0].switch_addr))
logging.info("Sending hello")
self.controllers[0].message_send(message.hello())
logging.info("Features request not sent, waiting for timeout")
# wait for controller to die
self.assertTrue(self.controllers[0].wait_disconnected(timeout=10),
"Not notified of controller disconnect")
def runTest(self):
logging = get_logger()
logging.info("Running Grp80No10 HelloWithoutBody Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
rv = self.controller.message_send(request)
logging.info("Verify switch does not generate an error")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(
response is None,
'Switch generated ERROR in response to our Hello message')
def runTest(self):
logging = get_logger()
logging.info("Running Grp80No20 HelloWithBody Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
request.data = "Openflow rules the world"
rv = self.controller.message_send(request)
logging.info("Verify switch does not generate an error")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch did not ignore the body of the Hello message')
def runTest(self):
logging = get_logger()
logging.info("Running Grp80No20 HelloWithBody Test")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
request.data = "Openflow rules the world"
rv = self.controller.message_send(request)
logging.info("Verify switch does not generate an error")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch did not ignore the body of the Hello message')
def runTest(self):
self.controllerSetup(cxn_config["controller_host"], cxn_config["controller_port"])
cxn_logger.info("TCP Connected " + str(self.controller.switch_addr))
cxn_logger.info("Sending hello")
self.controller.message_send(message.hello())
cxn_logger.info("Features request not sent, waiting for timeout")
# wait for controller to die
count = 0
while self.controller.active and count < self.test_timeout:
time.sleep(1)
count = count + 1
self.assertTrue(not self.controller.active, "Expected controller disconnect, but still active")
def runTest(self):
self.controllerSetup(config["controller_host"],
config["controller_port"])
self.controllers[0].connect(self.default_timeout)
logging.info("TCP Connected " +
str(self.controllers[0].switch_addr))
logging.info("Sending hello")
self.controllers[0].message_send(message.hello())
logging.info("Features request not sent, waiting for timeout")
# wait for controller to die
self.assertTrue(self.controllers[0].wait_disconnected(timeout=10),
"Not notified of controller disconnect")
def runTest(self):
of_logger.info("Running Hello test")
of_logger.info("Sending Hello")
of_logger.info(
"Expecting a Hello on the control plane with version--1.0.0")
#Send Hello message
request = message.hello()
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=1)
self.assertTrue(response is not None,
'Switch did not exchange hello message in return')
self.assertTrue(response.header.version == 0x01,
'switch openflow-version field is not 1.0.0')
def runTest(self):
logging.info("Running TestNo90 EchoTimeout ")
request = message.hello()
timeout = test_param_get('timeout',default = 60)
rv = self.controller.message_send(request)
self.assertTrue(rv == 0, "Error sending out message")
for i in range(timeout):
if not self.controller.active:
raise Exception("Test Passed")
sleep(1)
connection_lost = False
self.assertTrue(connection_lost != False, "Connection did not drop due to echo-timeout")
def runTest(self):
logging.info("Running Grp100No10 HelloFailed Test")
# Send a hello message with incorrect version
logging.info("Sending Hello message with incorrect version..")
request = message.hello()
logging.info("Change hello message version to 0 and send it to control plane")
request.header.version = 0
rv = self.controller.message_send(request)
logging.info("Waiting for OFPT_ERROR message..")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR, timeout=5)
self.assertTrue(response is not None, "Switch did not reply with error message")
self.assertTrue(response.type == ofp.OFPET_HELLO_FAILED, "Error type is not HELLO_FAILED")
self.assertTrue(response.code == ofp.OFPHFC_INCOMPATIBLE, "Error code is not OFPHFC_INCOMPATIBLE")
def runTest(self):
logging = get_logger()
logging.info("Running TestNo40 VersionNegotiation Test")
of_version = test_param_get('version',default = 0x01)
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
request.header.version=2
rv = self.controller.message_send(request)
logging.info("Verifying switch does not generate an error message for a hello message with different version type")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch did not negotiate on the version')
def runTest(self):
self.controllerSetup(config["controller_host"],
config["controller_port"])
logging.info("TCP Connected " + str(self.controller.switch_addr))
logging.info("Sending hello")
self.controller.message_send(message.hello())
logging.info("Features request not sent, waiting for timeout")
# wait for controller to die
count = 0
while self.controller.active and count < self.test_timeout:
time.sleep(1)
count = count + 1
self.assertTrue(not self.controller.active,
"Expected controller disconnect, but still active")
def runTest(self):
logging.info("Running TestNo70 VersionNegotiation Test")
of_version = test_param_get('version',default = 0x01)
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
logging.info("Change hello message version to 2 and send it to control plane")
request.header.version=2
rv = self.controller.message_send(request)
logging.info("Verify switch does not generate an error")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch did not negotiate on the version')
def runTest(self):
logging.info("Running Hello test")
#Send Hello message
logging.info("Sending Hello...")
request = message.hello()
request.data = 'OpenFlow Will Rule The World'
self.controller.message_send(request)
#Verify Hello message in response
logging.info("Waiting for a Hello on the control plane with same xid,version--1.0.0 and data field empty")
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=1)
self.assertTrue(response is not None,
'Switch did not exchange hello message in return')
self.assertEqual(len(response.data), 0, 'Response data field non-empty')
self.assertTrue(response.header.version == 0x01, 'Openflow-version field is not 1.0.0')
def runTest(self):
logging = get_logger()
logging.info("Running TestNo40 VersionNegotiation Test")
of_version = test_param_get('version', default=0x01)
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_HELLO,
timeout=5)
request = message.hello()
request.header.version = 2
rv = self.controller.message_send(request)
logging.info(
"Verifying switch does not generate an error message for a hello message with different version type"
)
(response, pkt) = self.controller.poll(exp_msg=ofp.OFPT_ERROR,
timeout=5)
self.assertTrue(response is None,
'Switch did not negotiate on the version')
def runTest(self):
self.controllerSetup(cxn_config["controller_host"], cxn_config["controller_port"])
cxn_logger.info("TCP Connected " + str(self.controller.switch_addr))
cxn_logger.info("Sending hello")
self.controller.message_send(message.hello())
request = message.features_request()
reply, pkt = self.controller.transact(request, timeout=20)
self.assertTrue(reply is not None, "Did not complete features_request for handshake")
cxn_logger.info("Handshake complete with " + str(self.controller.switch_addr))
self.controller.keep_alive = True
# keep controller up forever
while self.controller.active:
time.sleep(1)
self.assertTrue(not self.controller.active, "Expected controller disconnect, but still active")
def runTest(self):
self.controllerSetup(config["controller_host"],
config["controller_port"])
logging.info("TCP Connected " + str(self.controller.switch_addr))
logging.info("Sending hello")
self.controller.message_send(message.hello())
request = message.features_request()
reply, pkt = self.controller.transact(request, timeout=20)
self.assertTrue(reply is not None,
"Did not complete features_request for handshake")
logging.info("Handshake complete with " +
str(self.controller.switch_addr))
self.controller.keep_alive = True
# keep controller up forever
while self.controller.active:
time.sleep(1)
self.assertTrue(not self.controller.active,
"Expected controller disconnect, but still active")
def runTest(self):
for conspec in self.controller_list:
self.controllerSetup(conspec[0], conspec[1])
for i in range(len(self.controller_list)):
self.controllers[i].cstate = 0
self.controllers[i].keep_alive = self.keep_alive
self.controllers[i].saved_switch_addr = None
tick = 0.1 # time period in seconds at which controllers are handled
disconnected_count = 0
cycle = 0
while True:
states = []
for con in self.controllers:
condesc = con.host + ":" + str(con.port) + ": "
logging.debug("Checking " + condesc)
if con.switch_socket:
if con.switch_addr != con.saved_switch_addr:
con.saved_switch_addr = con.switch_addr
con.cstate = 0
if con.cstate == 0:
logging.info(condesc + "Sending hello to " +
str(con.switch_addr))
con.message_send(message.hello())
con.cstate = 1
con.count = 0
elif con.cstate == 1:
reply, pkt = con.poll(exp_msg=ofp.OFPT_HELLO,
timeout=0)
if reply is not None:
logging.info(condesc +
"Hello received from " +
str(con.switch_addr))
con.cstate = 2
else:
con.count = con.count + 1
# fall back to previous state on timeout
if con.count >= self.hello_timeout/tick:
logging.info(condesc +
"Timeout hello from " +
str(con.switch_addr))
con.cstate = 0
elif con.cstate == 2:
logging.info(condesc + "Sending features request to " +
str(con.switch_addr))
con.message_send(message.features_request())
con.cstate = 3
con.count = 0
elif con.cstate == 3:
reply, pkt = con.poll(exp_msg=ofp.OFPT_FEATURES_REPLY,
timeout=0)
if reply is not None:
logging.info(condesc +
"Features request received from " +
str(con.switch_addr))
con.cstate = 4
con.count = 0
cycle = cycle + 1
logging.info("Cycle " + str(cycle))
else:
con.count = con.count + 1
# fall back to previous state on timeout
if con.count >= self.features_req_timeout/tick:
logging.info(condesc +
"Timeout features request from " +
str(con.switch_addr))
con.cstate = 2
elif con.cstate == 4:
if (self.controller_timeout < 0 or
con.count < self.controller_timeout/tick):
logging.debug(condesc +
"Maintaining connection to " +
str(con.switch_addr))
con.count = con.count + 1
else:
logging.info(condesc +
"Disconnecting from " +
str(con.switch_addr))
con.disconnect()
con.cstate = 0
else:
con.cstate = 0
states.append(con.cstate)
logging.debug("Cycle " + str(cycle) +
", states " + str(states) +
", disconnected_count " + str(disconnected_count))
if 4 in states:
disconnected_count = 0
else:
disconnected_count = disconnected_count + 1
if cycle != 0:
self.assertTrue(disconnected_count < self.disconnected_timeout/tick,
"Timeout expired connecting to controller")
else:
# on first cycle, allow more time for initial connect
self.assertTrue(disconnected_count < 2*self.disconnected_timeout/tick,
"Timeout expired connecting to controller on init")
if cycle > self.cxn_cycles:
break
time.sleep(tick)
