def all_stats_get(parent):
"""
Get the aggregate stats for all flows in the table
@param parent Test instance with controller connection and assert
@returns dict with keys flows, packets, bytes, active (flows),
lookups, matched
"""
stat_req = message.aggregate_stats_request()
stat_req.match = ofp.ofp_match()
stat_req.match.wildcards = ofp.OFPFW_ALL
stat_req.table_id = 0xff
stat_req.out_port = ofp.OFPP_NONE
rv = {}
(reply, pkt) = parent.controller.transact(stat_req)
parent.assertTrue(
len(reply.stats) == 1, "Did not receive flow stats reply")
for obj in reply.stats:
(rv["flows"], rv["packets"],
rv["bytes"]) = (obj.flow_count, obj.packet_count, obj.byte_count)
break
request = message.table_stats_request()
(reply, pkt) = parent.controller.transact(request)
(rv["active"], rv["lookups"], rv["matched"]) = (0, 0, 0)
for obj in reply.stats:
rv["active"] += obj.active_count
rv["lookups"] += obj.lookup_count
rv["matched"] += obj.matched_count
return rv
def runTest(self):
basic_logger.info("Running TableStats")
testutils.delete_all_flows(self.controller, self.logger)
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
# delete everything, so there should be no entries
self.assertEqual(self.get_first_table_active_entries(response), 0)
# add two entries to first table
m1 = testutils.match_all_generate()
m1.dl_type = 0x800
m1.wildcards ^= ofp.OFPFW_DL_TYPE
fm1 = testutils.flow_msg_create(self, None, match=m1, egr_port=2)
rv = self.controller.message_send(fm1)
self.assertEqual(rv, 0)
m2 = testutils.match_all_generate()
m2.dl_type = 0x806
m2.wildcards ^= ofp.OFPFW_DL_TYPE
fm2 = testutils.flow_msg_create(self, None, match=m2, egr_port=2)
rv = self.controller.message_send(fm2)
self.assertEqual(rv, 0)
testutils.do_barrier(self.controller)
response, _ = self.controller.transact(request, timeout=2)
self.assertEqual(self.get_first_table_active_entries(response), 2)
def runTest(self):
basic_logger.info("Running TableStats")
testutils.delete_all_flows(self.controller, self.logger)
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
# delete everything, so there should be no entries
self.assertEqual(self.get_first_table_active_entries(response), 0)
# add two entries to first table
m1 = testutils.match_all_generate()
m1.dl_type = 0x800
m1.wildcards ^= ofp.OFPFW_DL_TYPE
fm1 = testutils.flow_msg_create(self, None, match=m1, egr_port=2)
rv = self.controller.message_send(fm1)
self.assertEqual(rv, 0)
m2 = testutils.match_all_generate()
m2.dl_type = 0x806
m2.wildcards ^= ofp.OFPFW_DL_TYPE
fm2 = testutils.flow_msg_create(self, None, match=m2, egr_port=2)
rv = self.controller.message_send(fm2)
self.assertEqual(rv, 0)
testutils.do_barrier(self.controller)
response, _ = self.controller.transact(request, timeout=2)
self.assertEqual(self.get_first_table_active_entries(response), 2)
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
self.assertTrue(response is not None, "Did not get response")
basic_logger.debug(response.show())
def runTest(self):
msg, pkt = self.controller.transact(message.table_stats_request())
num_flows = msg.stats[0].max_entries
requests = []
for i in range(num_flows):
match = ofp.ofp_match()
match.wildcards = ofp.OFPFW_ALL & ~ofp.OFPFW_DL_VLAN & ~ofp.OFPFW_DL_DST
match.dl_vlan = ofp.OFP_VLAN_NONE
match.dl_dst = [0, 1, 2, 3, i / 256, i % 256]
act = action.action_output()
act.port = ofp.OFPP_CONTROLLER
request = message.flow_mod()
request.command = ofp.OFPFC_ADD
request.buffer_id = 0xffffffff
request.priority = num_flows - i
request.out_port = ofp.OFPP_NONE
request.match = match
request.actions.add(act)
requests.append(request)
for i in range(5):
logging.info("Iteration %d: delete all flows" % i)
self.assertEqual(delete_all_flows(self.controller), 0,
"Failed to delete all flows")
self.checkBarrier()
logging.info("Iteration %d: add %s flows" % (i, num_flows))
for request in requests:
self.assertNotEqual(self.controller.message_send(request), -1,
"Error installing flow mod")
self.checkBarrier()
def all_stats_get(parent):
"""
Get the aggregate stats for all flows in the table
@param parent Test instance with controller connection and assert
@returns dict with keys flows, packets, bytes, active (flows),
lookups, matched
"""
stat_req = message.aggregate_stats_request()
stat_req.match = ofp.ofp_match()
stat_req.match.wildcards = ofp.OFPFW_ALL
stat_req.table_id = 0xff
stat_req.out_port = ofp.OFPP_NONE
rv = {}
(reply, pkt) = parent.controller.transact(stat_req, timeout=2)
parent.assertTrue(len(reply.stats) == 1, "Did not receive flow stats reply")
for obj in reply.stats:
(rv["flows"], rv["packets"], rv["bytes"]) = (obj.flow_count,
obj.packet_count, obj.byte_count)
break
request = message.table_stats_request()
(reply , pkt) = parent.controller.transact(request, timeout=2)
(rv["active"], rv["lookups"], rv["matched"]) = (0,0,0)
for obj in reply.stats:
rv["active"] += obj.active_count
rv["lookups"] += obj.lookup_count
rv["matched"] += obj.matched_count
return rv
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
self.assertTrue(response is not None, "Did not get response")
basic_logger.debug(response.show())
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
self.assertTrue(response is not None, "Did not get response")
self.assertEqual(response.header.type, ofp.OFPT_MULTIPART_REPLY,
'response is not OFPT_MULTIPART_REPLY')
self.assertEqual(response.type, ofp.OFPMP_TABLE,
'response is not OFPMP_TABLE')
basic_logger.debug(response.show())
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
self.assertTrue(response is not None, "Did not get response")
self.assertEqual(response.header.type, ofp.OFPT_MULTIPART_REPLY,
'response is not OFPT_MULTIPART_REPLY')
self.assertEqual(response.type, ofp.OFPMP_TABLE,
'response is not OFPMP_TABLE')
basic_logger.debug(response.show())
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Inserting trial flow")
request = flow_mod_gen(basic_port_map, True)
rv = self.controller.message_send(request)
self.assertTrue(rv != -1, "Failed to insert test flow")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, pkt = self.controller.transact(request)
self.assertTrue(response is not None, "Did not get response")
basic_logger.debug(response.show())
def runTest(self):
logging.info("Running TableStatsGet")
logging.info("Inserting trial flow")
request = flow_mod_gen(config["port_map"], True)
rv = self.controller.message_send(request)
self.assertTrue(rv != -1, "Failed to insert test flow")
logging.info("Sending table stats request")
request = message.table_stats_request()
response, pkt = self.controller.transact(request)
self.assertTrue(response is not None,
"Did not get reply for table stats")
logging.debug(response.show())
def Verify_TableStats(self,active_entries=0):
#Verify Table_Stats
#Send Table_Stats_Request
request = message.table_stats_request()
response, pkt = self.controller.transact(request, timeout=1)
self.assertTrue(response is not None, "Did not get response")
active_count=0
#Verify active_count in the reply
for stat in response.stats:
active_count += stat.active_count
self.assertTrue(active_entries == active_count,"Incorrect no. of flows in Table")
def Verify_TableStats(self,active_entries=0,):
#Verify Table_Stats
#Send Table_Stats_Request
request = message.table_stats_request()
response, pkt = self.controller.transact(request, timeout=1)
self.assertTrue(response is not None, "Did not get response")
active_count=0
#Verify active_count in the reply
for stat in response.stats:
active_count += stat.active_count
self.assertTrue(active_entries == active_count,"Incorrect no. of flows in Table")
def supported_actions_get(parent, use_cache=True):
"""
Get the bitmap of supported actions from the switch
If use_cache is false, the cached value will be updated
"""
global cached_supported_actions
if cached_supported_actions is None or not use_cache:
request = message.table_stats_request()
(reply, _) = parent.controller.transact(request, timeout=2)
parent.assertTrue(reply is not None, "Did not get response to tbl stats req")
cached_supported_actions = reply.stats[0].apply_actions
pa_logger.info("Supported actions: " + hex(cached_supported_actions))
return cached_supported_actions
def runTest(self):
basic_logger.info("Running TableStatsGet")
basic_logger.info("Inserting trial flow")
request = message.flow_mod()
request.match.wildcards = ofp.OFPFW_ALL
request.buffer_id = 0xffffffff
rv = self.controller.message_send(request)
self.assertTrue(rv != -1, "Failed to insert test flow")
basic_logger.info("Sending table stats request")
request = message.table_stats_request()
response, pkt = self.controller.transact(request, timeout=2)
self.assertTrue(response is not None, "Did not get response")
basic_logger.debug(response.show())
def supported_actions_get(parent, use_cache=True):
"""
Get the bitmap of supported actions from the switch
If use_cache is false, the cached value will be updated
"""
global cached_supported_actions
if cached_supported_actions is None or not use_cache:
request = message.table_stats_request()
(reply, _) = parent.controller.transact(request, timeout=2)
parent.assertTrue(reply is not None,
"Did not get response to tbl stats req")
# cached_supported_actions = reply.stats[0].apply_actions
cached_supported_actions = reply.stats[0].write_actions
pa_logger.info("Supported actions: " + hex(cached_supported_actions))
return cached_supported_actions
def get_tablestats(self):
# Send Table_Stats request (retrieve current table counters )
stat_req = message.table_stats_request()
response, pkt = self.controller.transact(stat_req, timeout=5)
self.assertTrue(response is not None, "No response to stats request")
current_lookedup = 0
current_matched = 0
current_active = 0
for obj in response.stats:
current_lookedup += obj.lookup_count
current_matched += obj.matched_count
current_active += obj.active_count
return (current_lookedup, current_matched, current_active)
def get_tablestats(self):
# Send Table_Stats request (retrieve current table counters )
stat_req = message.table_stats_request()
response, pkt = self.controller.transact(stat_req, timeout=5)
self.assertTrue(response is not None, "No response to stats request")
current_lookedup = 0
current_matched = 0
current_active = 0
for obj in response.stats:
current_lookedup += obj.lookup_count
current_matched += obj.matched_count
current_active += obj.active_count
return (current_lookedup, current_matched, current_active)
def verify_tablestats(self,
expect_lookup=None,
expect_match=None,
expect_active=None):
stat_req = message.table_stats_request()
for i in range(0, 60):
logging.info("Sending stats request")
# TODO: move REPLY_MORE handling to controller.transact?
response, pkt = self.controller.transact(stat_req, timeout=5)
self.assertTrue(response is not None, "No response to stats request")
lookedup = 0
matched = 0
active = 0
sleep(1)
for item in response.stats:
lookedup += item.lookup_count
matched += item.matched_count
active += item.active_count
logging.info("Packets Looked up " + str(lookedup) + " packets")
logging.info("Packets matched " + str(matched) + "packets")
logging.info("Active flow entries" + str(active) + "flows")
if expect_lookup != None and expect_lookup != lookedup: continue
if expect_match != None and expect_match != matched: continue
if expect_active != None and expect_active != active: continue
break
if expect_lookup != None:
self.assertEqual(expect_lookup, item.lookup_count,
"lookup counter is not incremented properly")
if expect_match != None:
self.assertEqual(expect_match, item.matched_count,
"matched counter is not incremented properly")
if expect_active != None:
self.assertEqual(expect_active, item.active_count,
"active counter is not incremented properly")
def verify_tablestats(self,expect_lookup=None,expect_match=None,expect_active=None):
stat_req = message.table_stats_request()
for i in range(0,60):
logging.info("Sending stats request")
# TODO: move REPLY_MORE handling to controller.transact?
response, pkt = self.controller.transact(stat_req,
timeout=5)
self.assertTrue(response is not None,"No response to stats request")
lookedup = 0
matched = 0
active = 0
sleep(1)
for item in response.stats:
lookedup += item.lookup_count
matched += item.matched_count
active += item.active_count
logging.info("Packets Looked up " + str(lookedup) + " packets")
logging.info("Packets matched " + str(matched) + "packets")
logging.info("Active flow entries" + str(active) + "flows")
if expect_lookup != None and expect_lookup != lookedup:continue
if expect_match != None and expect_match != matched:continue
if expect_active != None and expect_active != active:continue
break
if expect_lookup != None :
self.assertEqual(expect_lookup,item.lookup_count,"lookup counter is not incremented properly")
if expect_match != None :
self.assertEqual(expect_match,item.matched_count, "matched counter is not incremented properly")
if expect_active != None :
self.assertEqual(expect_active,item.active_count,"active counter is not incremented properly")
def verify_tablestats(self,expect_lookup=None,expect_match=None,expect_active=None):
stat_req = message.table_stats_request()
for i in range(0,100):
logging.info("Sending stats request")
# TODO: move REPLY_MORE handling to controller.transact?
response, pkt = self.controller.transact(stat_req,
timeout=5)
self.assertTrue(response is not None,"No response to stats request")
lookedup = 0
matched = 0
active = 0
for item in response.stats:
lookedup += item.lookup_count
matched += item.matched_count
active += item.active_count
logging.info("Packets Looked up: %d", lookedup)
logging.info("Packets matched: %d", matched)
logging.info("Active flow entries: %d", active)
if (expect_lookup == None or lookedup >= expect_lookup) and \
(expect_match == None or matched >= expect_match) and \
(expect_active == None or active >= expect_active):
break
sleep(0.1)
if expect_lookup != None :
self.assertEqual(expect_lookup, lookedup, "lookup counter is not incremented properly")
if expect_match != None :
self.assertEqual(expect_match, matched, "matched counter is not incremented properly")
if expect_active != None :
self.assertEqual(expect_active, active ,"active counter is not incremented properly")
def runTest(self):
msg, pkt = self.controller.transact(message.table_stats_request())
# Some switches report an extremely high max_entries that would cause
# us to run out of memory attempting to create all the flow-mods.
num_flows = min(msg.stats[0].max_entries, 32678)
logging.info("Creating %d flow-mods messages", num_flows)
requests = []
for i in range(num_flows):
match = ofp.ofp_match()
match.wildcards = ofp.OFPFW_ALL & ~ofp.OFPFW_DL_VLAN & ~ofp.OFPFW_DL_DST
match.dl_vlan = ofp.OFP_VLAN_NONE
match.dl_dst = [0, 1, 2, 3, i / 256, i % 256]
act = action.action_output()
act.port = ofp.OFPP_CONTROLLER
request = message.flow_mod()
request.command = ofp.OFPFC_ADD
request.buffer_id = 0xffffffff
request.priority = num_flows - i
request.out_port = ofp.OFPP_NONE
request.match = match
request.actions.add(act)
requests.append(request)
for i in range(3):
logging.info("Iteration %d: delete all flows" % i)
delete_all_flows(self.controller)
self.checkBarrier()
logging.info("Iteration %d: add %s flows" % (i, num_flows))
random.shuffle(requests)
for request in requests:
self.assertNotEqual(self.controller.message_send(request), -1,
"Error installing flow mod")
self.checkBarrier()
def flow_caps_common(obj, is_exact=True):
"""
The common function for
@param obj The calling object
@param is_exact If True, checking exact match; else wildcard
"""
global caps_port_map
of_ports = caps_port_map.keys()
of_ports.sort()
rv = delete_all_flows(obj.controller, caps_logger)
obj.assertEqual(rv, 0, "Failed to delete all flows")
pkt = simple_tcp_packet()
match = parse.packet_to_flow_match(pkt)
obj.assertTrue(match is not None, "Could not generate flow match from pkt")
for port in of_ports:
break;
match.in_port = port
match.nw_src = 1
request = message.flow_mod()
count_check = 101 # fixme: better way to determine this.
if is_exact:
match.wildcards = 0
else:
match.wildcards |= ofp.OFPFW_DL_SRC
request.match = match
request.buffer_id = 0xffffffff # set to NONE
caps_logger.info(request.show())
tstats = message.table_stats_request()
try: # Determine the table index to check (or "all")
table_idx = caps_config["caps_table_idx"]
except:
table_idx = -1 # Accumulate all table counts
# Make sure we can install at least one flow
caps_logger.info("Inserting initial flow")
rv = obj.controller.message_send(request)
obj.assertTrue(rv != -1, "Error installing flow mod")
obj.assertEqual(do_barrier(obj.controller), 0, "Barrier failed")
flow_count = 1
caps_logger.info("Table idx: " + str(table_idx))
caps_logger.info("Check every " + str(count_check) + " inserts")
while True:
request.match.nw_src += 1
rv = obj.controller.message_send(request)
flow_count += 1
if flow_count % count_check == 0:
obj.assertEqual(do_barrier(obj.controller), 0, "Barrier failed")
response, pkt = obj.controller.transact(tstats)
obj.assertTrue(response is not None, "Get tab stats failed")
caps_logger.info(response.show())
if table_idx == -1: # Accumulate for all tables
active_flows = 0
for stats in response.stats:
active_flows += stats.active_count
else: # Table index to use specified in config
active_flows = response.stats[table_idx].active_count
if active_flows != flow_count:
break
caps_logger.error("RESULT: " + str(flow_count) + " flows inserted")
caps_logger.error("RESULT: " + str(active_flows) + " flows reported")
def flow_caps_common(obj, is_exact=True):
"""
The common function for
@param obj The calling object
@param is_exact If True, checking exact match; else wildcard
"""
global caps_port_map
of_ports = caps_port_map.keys()
of_ports.sort()
rv = delete_all_flows(obj.controller, caps_logger)
obj.assertEqual(rv, 0, "Failed to delete all flows")
pkt = simple_tcp_packet()
match = packet_to_flow_match(obj, pkt)
obj.assertTrue(match is not None, "Could not generate flow match from pkt")
for port in of_ports:
break
match.in_port = port
match.nw_src = 1
request = message.flow_mod()
count_check = 101 # fixme: better way to determine this.
if is_exact:
match.wildcards = 0
else:
match.wildcards |= ofp.OFPFW_DL_SRC
request.match = match
request.buffer_id = 0xffffffff # set to NONE
caps_logger.info(request.show())
tstats = message.table_stats_request()
try: # Determine the table index to check (or "all")
table_idx = caps_config["caps_table_idx"]
except:
table_idx = -1 # Accumulate all table counts
# Make sure we can install at least one flow
caps_logger.info("Inserting initial flow")
rv = obj.controller.message_send(request)
obj.assertTrue(rv != -1, "Error installing flow mod")
obj.assertEqual(do_barrier(obj.controller), 0, "Barrier failed")
flow_count = 1
caps_logger.info("Table idx: " + str(table_idx))
caps_logger.info("Check every " + str(count_check) + " inserts")
while True:
request.match.nw_src += 1
rv = obj.controller.message_send(request)
flow_count += 1
if flow_count % count_check == 0:
obj.assertEqual(do_barrier(obj.controller), 0, "Barrier failed")
response, pkt = obj.controller.transact(tstats)
obj.assertTrue(response is not None, "Get tab stats failed")
caps_logger.info(response.show())
if table_idx == -1: # Accumulate for all tables
active_flows = 0
for stats in response.stats:
active_flows += stats.active_count
else: # Table index to use specified in config
active_flows = response.stats[table_idx].active_count
if active_flows != flow_count:
break
caps_logger.error("RESULT: " + str(flow_count) + " flows inserted")
caps_logger.error("RESULT: " + str(active_flows) + " flows reported")
def runTest(self):
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
#print(response.show())
self.logger.info(response.show())
def flow_caps_common(obj, is_exact=True):
"""
The common function for
@param obj The calling object
@param is_exact If True, checking exact match; else wildcard
"""
obj.logger = caps_logger
obj.config = caps_config
global caps_port_map
of_ports = caps_port_map.keys()
of_ports.sort()
#rv = delete_all_flows(obj.controller, caps_logger)
#obj.assertEqual(rv, 0, "Failed to delete all flows")
pkt = simple_tcp_packet(ip_src='0.0.0.0',
vlan_tags=[{'type': ETHERTYPE_VLAN, 'vid': 2, 'pcp': 7}])
pkt_metadata = {'metadata_val':0x0000000000000000, 'metadata_msk':None}
for ing_port in of_ports:
break
if is_exact:
table_list = [EX_VLAN_TABLE]#, EX_L2_TABLE, EX_VLAN_TABLE, EX_MPLS_TABLE, EX_L3_TABLE, EX_ICMP_TABLE]
max_entry = MAX_ENTRY_EX_TABLE
else:
table_list = [WC_ACL_TABLE]#, WC_SERV_TABLE, WC_L3_TABLE, WC_ALL_TABLE]
max_entry = MAX_ENTRY_WC_TABLE
for table_idx in table_list:
#tfeature = message.table_feature_request()
#response,_ = obj.controller.transact(tfeature, timeout=1)
#obj.assertTrue(response is not None, "Get tab feature failed")
#print response.show()
#for feature in table_features:
# if feature.table_id = table_idx:
# max_entries = feature.max_entries
# break
#max_entry = response.table_features[table_idx].max_entries
#print str(max_entry)
request = flow_msg_create(obj,pkt,pkt_metadata,ing_port,egr_port=ofp.OFPP_IN_PORT,table_id=table_idx)
#print(request.show())
count_check = max_entry/10 + 1
#print(str(count_check))
tstats = message.table_stats_request()
#response, pkt = obj.controller.transact(tstats, timeout=2)
#print(response.show())
#Make sure we can install at least one flow
flow_msg_install(obj, request, True)
flow_count = 1
caps_logger.info("Table idx: " + str(table_idx))
caps_logger.info("Check every " + str(count_check) + " inserts")
while True:
for member in request.match_fields.tlvs:
if member.field == ofp.OFPXMT_OFB_IPV4_SRC:
if member.value < 1<<32:
member.value += 1
if member.field == ofp.OFPXMT_OFB_VLAN_VID:
if member.value < 0x1000:
member.value += 1
if member.field == ofp.OFPXMT_OFB_MPLS_LABEL:
if member.value < 0x100000:
member.value += 1
if member.field == ofp.OFPXMT_OFB_METADATA:
member.value += 1
flow_msg_install(obj, request, False)
flow_count += 1
#print(flow_count)
if flow_count % count_check == 0:
response, pkt = obj.controller.transact(tstats, timeout=2)
obj.assertTrue(response is not None, "Get tab stats failed")
#caps_logger.info(response.show())
#print(response.stats[table_idx].show())
if table_idx == -1: # Accumulate for all tables
active_flows = 0
for stats in response.stats:
active_flows += stats.active_count
else: # Table index to use specified in config
active_flows = response.stats[table_idx].active_count
if active_flows != flow_count:
break
#if active_flows != max_entry:
if active_flows < max_entry:
caps_logger.error("RESULT: " + str(max_entry) + " support")
caps_logger.error("RESULT: " + str(active_flows) + " flows reported")
error_verify(obj, ofp.OFPET_FLOW_MOD_FAILED, ofp.OFPFMFC_TABLE_FULL)
#obj.assertTrue(active_flows == max_entry, "active_flows is not full filled")
obj.assertTrue(active_flows >= max_entry, "active_flows is not fullfill max entry requirement")
def runTest(self):
request = message.table_stats_request()
response, _ = self.controller.transact(request, timeout=2)
#print(response.show())
self.logger.info(response.show())
