def __init__(self, switch_socket, controller_host, controller_port):
super(MessageWatcherAgentThread, self).__init__()
self.controller_socket = socket.socket()
self.controller_socket.connect((controller_host, controller_port))
self.controller_socket.setblocking(0)
self.controller_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
self.switch_socket = switch_socket
self.switch_socket.setblocking(0)
self.switch_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
self.is_alive = True
self.datapath = ofproto_protocol.ProtocolDesc(version=0x01)
self.id = None
self.downstream_buf = bytearray()
self.upstream_buf = bytearray()
self.timeloop = time.time()
# Connect to database
# client = MongoClient('localhost', 27017)
# self.db = client['netspec']
# Connect to database
# client = MongoClient('sd-lemon.naist.jp', 9999)
client = MongoClient('127.0.0.1', 27017)
# client = MongoClient('mongodb://*****:*****@opimon.documents.azure.com:10250/?ssl=true&ssl_cert_reqs=CERT_NONE')
self.db = client.opimon
def test_record_removal():
"""
Test the recording of an idle-timeout flow removal message
sent by a switch into the flow_rems database collection
Synthesise flow removal messages to test with.
"""
#*** Supports OpenFlow version 1.3:
OFP_VERSION = ofproto_v1_3.OFP_VERSION
#*** Instantiate Flow class:
flow = flows_module.Flow(config)
#*** Load JSON representations of flow removed messages:
with open('OFPMsgs/OFPFlowRemoved_1.json', 'r') as json_file:
json_str_tx = json_file.read()
json_dict_tx = json.loads(json_str_tx)
with open('OFPMsgs/OFPFlowRemoved_2.json', 'r') as json_file:
json_str_rx = json_file.read()
json_dict_rx = json.loads(json_str_rx)
#*** Set up fake datapath and synthesise messages:
datapath = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath.id = 1
msg_tx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_tx)
msg_rx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_rx)
logger.debug("msg_tx=%s", msg_tx)
#*** Call our method that we're testing with the synthesised flow rems:
flow.record_removal(msg_tx)
flow.record_removal(msg_rx)
#*** Check that messages recorded correctly in database collection:
db_data_tx = {'ip_A': '10.1.0.1', 'tp_B': 80}
result = flow.flow_rems.find(db_data_tx).sort('$natural', -1).limit(1)
result_tx = list(result)[0]
logger.debug("result=%s", result_tx)
assert result_tx['table_id'] == 1
assert result_tx['ip_B'] == '10.1.0.2'
assert result_tx['tp_A'] == 43297
assert result_tx['packet_count'] == 10
assert result_tx['flow_hash'] == nethash.hash_flow(
('10.1.0.1', '10.1.0.2', 43297, 80, 6))
assert result_tx['cookie'] == 23
assert result_tx['direction'] == 'forward'
#*** Return leg of flow:
db_data_tx = {'ip_B': '10.1.0.1', 'tp_A': 80}
result = flow.flow_rems.find(db_data_tx).sort('$natural', -1).limit(1)
result_tx = list(result)[0]
logger.debug("result=%s", result_tx)
assert result_tx['table_id'] == 1
assert result_tx['ip_A'] == '10.1.0.2'
assert result_tx['tp_B'] == 43297
assert result_tx['packet_count'] == 9
assert result_tx['flow_hash'] == nethash.hash_flow(
('10.1.0.2', '10.1.0.1', 80, 43297, 6))
assert result_tx['cookie'] == 1000000023
assert result_tx['direction'] == 'reverse'
def handle(self):
desc = ofproto_protocol.ProtocolDesc()
residue = b''
while True:
if residue:
data = residue
residue = b''
else:
data = self.request.recv(1024)
if data == b'':
break
if self.verbose:
print(data)
h = ofproto_parser.header(data)
if self.verbose:
print(h)
version, msg_type, msg_len, xid = h
residue = data[msg_len:]
desc.set_version(version=version)
if msg_type == desc.ofproto.OFPT_HELLO:
hello = desc.ofproto_parser.OFPHello(desc)
hello.serialize()
self.request.send(hello.buf)
elif msg_type == desc.ofproto.OFPT_FLOW_MOD:
# HACK: Clear xid into zero
buf.append(data[:4] + b'\x00\x00\x00\x00' + data[8:msg_len])
elif msg_type == desc.ofproto.OFPT_BARRIER_REQUEST:
brep = desc.ofproto_parser.OFPBarrierReply(desc)
brep.xid = xid
brep.serialize()
self.request.send(brep.buf)
break
def test_flows_removed_stats_count():
"""
Test the flows_removed API stats count by ingesting flow removal messages
then checking that the API response correctly specifies message count
"""
#*** Start api_external as separate process:
logger.info("Starting api_external")
api_ps = multiprocessing.Process(target=api.run, args=())
api_ps.start()
#*** Supports OpenFlow version 1.3:
OFP_VERSION = ofproto_v1_3.OFP_VERSION
#*** Instantiate Flow class:
flow = flows_module.Flow(config)
#*** Load JSON representations of flow removed messages:
with open('OFPMsgs/OFPFlowRemoved_1.json', 'r') as json_file:
json_str_tx = json_file.read()
json_dict_tx = json.loads(json_str_tx)
with open('OFPMsgs/OFPFlowRemoved_2.json', 'r') as json_file:
json_str_rx = json_file.read()
json_dict_rx = json.loads(json_str_rx)
#*** Set up fake datapath and synthesise messages:
datapath = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath.id = 1
msg_tx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_tx)
msg_rx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_rx)
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_STATS_COUNT)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['flows_removed'] == 0
#*** Record flow removal to flow_rems database collection:
flow.record_removal(msg_tx)
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_STATS_COUNT)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['flows_removed'] == 1
#*** Record flow removal to flow_rems database collection:
flow.record_removal(msg_rx)
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_STATS_COUNT)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['flows_removed'] == 2
#*** Stop api_external sub-process:
api_ps.terminate()
def test_get_flow_data_xfer():
"""
Test the get_flow_data_xfer method.
Synthesise flow removal messages to test with.
"""
#*** Supports OpenFlow version 1.3:
OFP_VERSION = ofproto_v1_3.OFP_VERSION
#*** Instantiate Flow class:
flow = flows_module.Flow(config)
flow.ingest_packet(DPID1, INPORT1, pkts.RAW[0], datetime.datetime.now())
flow.ingest_packet(DPID1, INPORT2, pkts.RAW[1], datetime.datetime.now())
#*** Load JSON representations of flow removed messages:
with open('OFPMsgs/OFPFlowRemoved_1.json', 'r') as json_file:
json_str_tx = json_file.read()
json_dict_tx = json.loads(json_str_tx)
with open('OFPMsgs/OFPFlowRemoved_2.json', 'r') as json_file:
json_str_rx = json_file.read()
json_dict_rx = json.loads(json_str_rx)
#*** Set up fake datapath and synthesise messages:
datapath = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath.id = 1
msg_tx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_tx)
msg_rx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_rx)
logger.debug("msg_tx=%s", msg_tx)
#*** Record flow removals to flow_rems database collection:
flow.record_removal(msg_tx)
flow.record_removal(msg_rx)
#*** Now, test the get_flow_data_xfer method:
record = {
'ip_src': '10.1.0.1',
'ip_dst': '10.1.0.2',
'tp_src': 43297,
'tp_dst': 80,
'proto': 6,
'flow_hash': '9822b2867652ee0957892482b9f004c3'
}
xfer = api.get_flow_data_xfer(record)
logger.debug("xfer=%s", xfer)
assert xfer['tx_found'] == 1
assert xfer['tx_bytes'] == 744
assert xfer['tx_pkts'] == 10
assert xfer['rx_found'] == 1
assert xfer['rx_bytes'] == 6644
assert xfer['rx_pkts'] == 9
def test_to_actions_pop_mpls(self):
dp = ofproto_protocol.ProtocolDesc(version=ofproto_v1_3.OFP_VERSION)
acts = [
{
'type': 'POP_MPLS',
'ethertype': 0x0800
}
]
result = ofctl_v1_3.to_actions(dp, acts)
insts = result[0]
act = insts.actions[0]
ok_(isinstance(act, OFPActionPopMpls))
eq_(act.ethertype, 0x0800)
def _test_msg(self, name, wire_msg, json_str):
json_dict = json.loads(json_str)
# on-wire -> OFPxxx -> json
(version, msg_type, msg_len, xid) = ofproto_parser.header(wire_msg)
try:
has_parser, has_serializer = implemented[version][msg_type]
except KeyError:
has_parser = True
has_serializer = True
dp = ofproto_protocol.ProtocolDesc(version=version)
if has_parser:
msg = ofproto_parser.msg(dp, version, msg_type, msg_len, xid,
wire_msg)
json_dict2 = self._msg_to_jsondict(msg)
# XXXdebug code
open(('/tmp/%s.json' % name), 'wb').write(json.dumps(json_dict2))
eq_(json_dict, json_dict2)
# json -> OFPxxx -> json
msg2 = self._jsondict_to_msg(dp, json_dict)
if has_serializer:
msg2.serialize()
eq_(self._msg_to_jsondict(msg2), json_dict)
eq_(wire_msg, msg2.buf)
# check if "len" "length" fields can be omitted
def _remove(d, names):
f = lambda x: _remove(x, names)
if isinstance(d, list):
return map(f, d)
if isinstance(d, dict):
d2 = {}
for k, v in d.iteritems():
if k in names:
continue
d2[k] = f(v)
return d2
return d
json_dict3 = _remove(json_dict, ['len', 'length'])
msg3 = self._jsondict_to_msg(dp, json_dict3)
msg3.serialize()
eq_(wire_msg, msg3.buf)
msg2.serialize()
eq_(wire_msg, msg2.buf)
def _test_match(self, attrs, test):
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
# str -> match
match = test.to_match(dp, attrs)
for key, value in attrs.items():
key = self._conv_key(test, key, attrs)
self._equal_str_to_match(key, value, match, test)
# match -> str
match_str = test.match_to_str(match)
for key, value in attrs.items():
if key in conv_of12_to_of10_dict:
key_old = conv_of12_to_of10_dict[key]
else:
key_old = key
self._equal_match_to_str(key_old, value, match_str, test)
def handle(self):
desc = ofproto_protocol.ProtocolDesc()
residue = b''
while True:
if residue:
data = residue
residue = b''
else:
data = self.request.recv(1024)
if data == b'':
break
if self.verbose:
print(data)
h = ofproto_parser.header(data)
if self.verbose:
print(h)
version, msg_type, msg_len, xid = h
residue = data[msg_len:]
desc.set_version(version=version)
if msg_type == desc.ofproto.OFPT_HELLO:
hello = desc.ofproto_parser.OFPHello(desc)
hello.serialize()
self.request.send(hello.buf)
elif msg_type == desc.ofproto.OFPT_FLOW_MOD:
self._add_msg_to_buf(data, msg_len)
elif version == 4 and msg_type == desc.ofproto.OFPT_EXPERIMENTER:
# This is for OF13 Ext-230 bundle
# TODO: support bundle for OF>1.3
exp = desc.ofproto_parser.OFPExperimenter.parser(
object(), version, msg_type, msg_len, xid, data)
self._add_msg_to_buf(data, msg_len)
if isinstance(exp, desc.ofproto_parser.ONFBundleCtrlMsg):
ctrlrep = desc.ofproto_parser.ONFBundleCtrlMsg(
desc, exp.bundle_id, exp.type + 1, 0, [])
ctrlrep.xid = xid
ctrlrep.serialize()
self.request.send(ctrlrep.buf)
elif msg_type == desc.ofproto.OFPT_BARRIER_REQUEST:
brep = desc.ofproto_parser.OFPBarrierReply(desc)
brep.xid = xid
brep.serialize()
self.request.send(brep.buf)
def _test_actions(self, act, test):
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
act_type = act["type"]
# str -> action
insts = test.to_actions(dp, [act])
if test.ver == ofproto_v1_0.OFP_VERSION:
action = insts[0]
self._equal_str_to_act(action, act, act_type, test)
else:
inst = insts[0]
self._equal_str_to_inst(inst, act, act_type, test)
# action -> str
inst_str = test.actions_to_str(insts)
if test.ver == ofproto_v1_0.OFP_VERSION:
act_str = inst_str
self._equal_act_to_str(act_str, act, act_type, test)
else:
self._equal_inst_to_str(inst_str, act, act_type, test)
def parser(cls, buf):
from ryu.ofproto import ofproto_parser
from ryu.ofproto import ofproto_protocol
(version, msg_type, msg_len, xid) = ofproto_parser.header(buf)
msg_parser = ofproto_parser._MSG_PARSERS.get(version)
if msg_parser is None:
msg = OFPUnparseableMsg(None, version, msg_type, msg_len, xid,
buf[cls._MIN_LEN:msg_len])
return cls(msg), cls, buf[msg_len:]
datapath = ofproto_protocol.ProtocolDesc(version=version)
try:
msg = msg_parser(datapath, version, msg_type, msg_len, xid,
buf[:msg_len])
except:
msg = OFPUnparseableMsg(
datapath, version, msg_type, msg_len, xid,
buf[datapath.ofproto.OFP_HEADER_SIZE:msg_len])
return cls(msg), cls, buf[msg_len:]
def test_flows_removed():
"""
Test the flows_removed API by ingesting flow removal messages
then checking that the API response correctly lists them
"""
#*** Start api_external as separate process:
logger.info("Starting api_external")
api_ps = multiprocessing.Process(target=api.run, args=())
api_ps.start()
#*** Supports OpenFlow version 1.3:
OFP_VERSION = ofproto_v1_3.OFP_VERSION
#*** Instantiate Flow class:
flow = flows_module.Flow(config)
#*** Load JSON representations of flow removed messages:
with open('OFPMsgs/OFPFlowRemoved_1.json', 'r') as json_file:
json_str_tx = json_file.read()
json_dict_tx = json.loads(json_str_tx)
with open('OFPMsgs/OFPFlowRemoved_2.json', 'r') as json_file:
json_str_rx = json_file.read()
json_dict_rx = json.loads(json_str_rx)
#*** Set up fake datapath and synthesise messages:
datapath = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath.id = 1
msg_tx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_tx)
msg_rx = ofproto_parser.ofp_msg_from_jsondict(datapath, json_dict_rx)
#*** Record flow removals to flow_rems database collection:
flow.record_removal(msg_tx)
flow.record_removal(msg_rx)
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['_items'][0]['dpid'] == 1
#*** Note: can't easily test 'removal_time' as is dynamic, so skipping...
assert api_result['_items'][0]['cookie'] == 23
assert api_result['_items'][0]['priority'] == 1
assert api_result['_items'][0]['reason'] == 0
assert api_result['_items'][0]['table_id'] == 1
assert api_result['_items'][0]['duration_sec'] == 5
assert api_result['_items'][0]['idle_timeout'] == 5
assert api_result['_items'][0]['hard_timeout'] == 0
assert api_result['_items'][0]['packet_count'] == 10
assert api_result['_items'][0]['byte_count'] == 744
assert api_result['_items'][0]['eth_A'] == ''
assert api_result['_items'][0]['eth_B'] == ''
assert api_result['_items'][0]['eth_type'] == 2048
assert api_result['_items'][0]['ip_A'] == '10.1.0.1'
assert api_result['_items'][0]['ip_B'] == '10.1.0.2'
assert api_result['_items'][0]['ip_proto'] == 6
assert api_result['_items'][0]['tp_A'] == 43297
assert api_result['_items'][0]['tp_B'] == 80
assert api_result['_items'][0][
'flow_hash'] == '9822b2867652ee0957892482b9f004c3'
assert api_result['_items'][0]['direction'] == 'forward'
#*** Validate API Response parameters for second flow removal:
assert api_result['_items'][1]['dpid'] == 1
#*** Note: can't easily test 'removal_time' as is dynamic, so skipping...
assert api_result['_items'][1]['cookie'] == 1000000023
assert api_result['_items'][1]['priority'] == 1
assert api_result['_items'][1]['reason'] == 0
assert api_result['_items'][1]['table_id'] == 1
assert api_result['_items'][1]['duration_sec'] == 5
assert api_result['_items'][1]['idle_timeout'] == 5
assert api_result['_items'][1]['hard_timeout'] == 0
assert api_result['_items'][1]['packet_count'] == 9
assert api_result['_items'][1]['byte_count'] == 6644
assert api_result['_items'][1]['eth_A'] == ''
assert api_result['_items'][1]['eth_B'] == ''
assert api_result['_items'][1]['eth_type'] == 2048
assert api_result['_items'][1]['ip_A'] == '10.1.0.2'
assert api_result['_items'][1]['ip_B'] == '10.1.0.1'
assert api_result['_items'][1]['ip_proto'] == 6
assert api_result['_items'][1]['tp_A'] == 80
assert api_result['_items'][1]['tp_B'] == 43297
assert api_result['_items'][1][
'flow_hash'] == '9822b2867652ee0957892482b9f004c3'
assert api_result['_items'][1]['direction'] == 'reverse'
#*** Stop api_external sub-process:
api_ps.terminate()
def _test_actions(self, act, test):
act_type = act["type"]
to_actions = test.to_actions
actions_to_str = test.actions_to_str
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
act_list = []
act_list.append(act)
# str -> action
result = to_actions(dp, act_list)
insts = result[0]
if act_type in test.supported_action:
cls = test.supported_action[act_type]
else:
cls = None
if act_type == 'GOTO_TABLE':
ok_(isinstance(insts, cls))
eq_(insts.table_id, act["table_id"])
elif act_type == 'WRITE_METADATA':
ok_(isinstance(insts, cls))
eq_(insts.metadata, act["metadata"])
eq_(insts.metadata_mask, act["metadata_mask"])
elif act_type == 'METER':
ok_(isinstance(insts, cls))
eq_(insts.meter_id, act["meter_id"])
else:
if test.ver == ofproto_v1_0.OFP_VERSION:
action = insts
else:
action = insts.actions[0]
ok_(isinstance(action, cls))
if act_type == 'OUTPUT':
eq_(action.port, act["port"])
elif act_type == 'SET_VLAN_VID':
eq_(action.vlan_vid, act["vlan_vid"])
elif act_type == 'SET_VLAN_PCP':
eq_(action.vlan_pcp, act["vlan_pcp"])
elif act_type == 'SET_DL_SRC':
eq_(addrconv.mac.bin_to_text(action.dl_addr),
act["dl_src"])
elif act_type == 'SET_DL_DST':
eq_(addrconv.mac.bin_to_text(action.dl_addr),
act["dl_dst"])
elif act_type == 'SET_NW_SRC':
ip = netaddr.ip.IPAddress(action.nw_addr)
eq_(str(ip), act["nw_src"])
elif act_type == 'SET_NW_DST':
ip = netaddr.ip.IPAddress(action.nw_addr)
eq_(str(ip), act["nw_dst"])
elif act_type == 'SET_NW_TOS':
eq_(action.tos, act["nw_tos"])
elif act_type == 'SET_TP_SRC':
eq_(action.tp, act["tp_src"])
elif act_type == 'SET_TP_DST':
eq_(action.tp, act["tp_dst"])
elif act_type == 'ENQUEUE':
eq_(action.queue_id, act["queue_id"])
eq_(action.port, act["port"])
elif act_type == 'SET_MPLS_TTL':
eq_(action.mpls_ttl, act["mpls_ttl"])
elif act_type in ['PUSH_VLAN', 'PUSH_MPLS',
'POP_MPLS', 'PUSH_PBB']:
eq_(action.ethertype, act["ethertype"])
elif act_type == 'SET_QUEUE':
eq_(action.queue_id, act["queue_id"])
elif act_type == 'GROUP':
eq_(action.group_id, act["group_id"])
elif act_type == 'SET_NW_TTL':
eq_(action.nw_ttl, act["nw_ttl"])
elif act_type in ['STRIP_VLAN', 'COPY_TTL_OUT',
'COPY_TTL_IN', 'DEC_MPLS_TTL',
'POP_VLAN', 'DEC_NW_TTL', 'POP_PBB']:
pass
else:
assert False
# action -> str
action_str = actions_to_str(result)
action_str_list = action_str[0].split(':', 1)
eq_(action_str_list[0], act_type)
if act_type == 'GOTO_TABLE':
eq_(int(action_str_list[1]), act["table_id"])
elif act_type == 'WRITE_METADATA':
met = action_str_list[1].split('/')
eq_(int(met[0], 16), act["metadata"])
eq_(int(met[1], 16), act["metadata_mask"])
elif act_type == 'METER':
eq_(int(action_str_list[1]), act["meter_id"])
else:
if act_type == 'OUTPUT':
eq_(int(action_str_list[1]), act["port"])
elif act_type == 'SET_VLAN_VID':
eq_(int(action_str_list[1]), act["vlan_vid"])
elif act_type == 'SET_VLAN_PCP':
eq_(int(action_str_list[1]), act["vlan_pcp"])
elif act_type == 'SET_DL_SRC':
eq_(action_str_list[1], act["dl_src"])
elif act_type == 'SET_DL_DST':
eq_(action_str_list[1], act["dl_dst"])
elif act_type == 'SET_NW_SRC':
eq_(action_str_list[1], act["nw_src"])
elif act_type == 'SET_NW_DST':
eq_(action_str_list[1], act["nw_dst"])
elif act_type == 'SET_NW_TOS':
eq_(int(action_str_list[1]), act["nw_tos"])
elif act_type == 'SET_TP_SRC':
eq_(int(action_str_list[1]), act["tp_src"])
elif act_type == 'SET_TP_DST':
eq_(int(action_str_list[1]), act["tp_dst"])
elif act_type == 'ENQUEUE':
enq = action_str_list[1].split(':')
eq_(int(enq[0], 10), act["port"])
eq_(int(enq[1], 10), act["queue_id"])
elif act_type == 'SET_MPLS_TTL':
eq_(int(action_str_list[1]), act["mpls_ttl"])
elif act_type == 'PUSH_VLAN':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'PUSH_MPLS':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'POP_MPLS':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'SET_QUEUE':
eq_(int(action_str_list[1]), act["queue_id"])
elif act_type == 'GROUP':
eq_(int(action_str_list[1]), act["group_id"])
elif act_type == 'SET_NW_TTL':
eq_(int(action_str_list[1]), act["nw_ttl"])
elif act_type == 'SET_FIELD':
eq_(action_str_list[1].strip(' {'), act["field"])
eq_(action_str_list[2].strip('} '), act["value"])
elif act_type == 'PUSH_PBB':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type in ['STRIP_VLAN', 'COPY_TTL_OUT',
'COPY_TTL_IN', 'DEC_MPLS_TTL',
'POP_VLAN', 'DEC_NW_TTL', 'POP_PBB']:
pass
else:
assert False
import socket
from struct import *
from nose.tools import *
from nose.plugins.skip import Skip, SkipTest
from ryu.ofproto.ofproto_v1_3_parser import *
from ryu.ofproto import ofproto_v1_3_parser
from ryu.ofproto import ofproto_v1_3
from ryu.ofproto import ofproto_protocol
from ryu.ofproto import ether
from ryu.ofproto.ofproto_parser import MsgBase
from ryu import utils
from ryu.lib import addrconv
LOG = logging.getLogger('test_ofproto_v13')
_Datapath = ofproto_protocol.ProtocolDesc(version=ofproto_v1_3.OFP_VERSION)
class TestOFPMatch(unittest.TestCase):
""" Test case for ofproto_v1_3_parser.OFPMatch
"""
def test_init(self):
res = OFPMatch()
# wc check
eq_(res._wc.vlan_vid_mask, 0)
# flow check
eq_(res._flow.vlan_vid, 0)
def _test_serialize_and_parser(self, match, header, value, mask=None):
def _test_msg(self, name, wire_msg, json_str):
def bytes_eq(buf1, buf2):
if buf1 != buf2:
msg = 'EOF in either data'
for i in range(0, min(len(buf1), len(buf2))):
c1 = six.indexbytes(six.binary_type(buf1), i)
c2 = six.indexbytes(six.binary_type(buf2), i)
if c1 != c2:
msg = 'differs at chr %d, %d != %d' % (i, c1, c2)
break
assert buf1 == buf2, "%r != %r, %s" % (buf1, buf2, msg)
json_dict = json.loads(json_str)
# on-wire -> OFPxxx -> json
(version, msg_type, msg_len, xid) = ofproto_parser.header(wire_msg)
try:
has_parser, has_serializer = implemented[version][msg_type]
except KeyError:
has_parser = True
has_serializer = True
dp = ofproto_protocol.ProtocolDesc(version=version)
if has_parser:
try:
msg = ofproto_parser.msg(dp, version, msg_type, msg_len, xid,
wire_msg)
json_dict2 = self._msg_to_jsondict(msg)
except exception.OFPTruncatedMessage as e:
json_dict2 = {
'OFPTruncatedMessage': self._msg_to_jsondict(e.ofpmsg)
}
# XXXdebug code
open(('/tmp/%s.json' % name), 'w').write(json.dumps(json_dict2))
eq_(json_dict, json_dict2)
if 'OFPTruncatedMessage' in json_dict2:
return
# json -> OFPxxx -> json
xid = json_dict[list(json_dict.keys())[0]].pop('xid', None)
msg2 = self._jsondict_to_msg(dp, json_dict)
msg2.set_xid(xid)
if has_serializer:
msg2.serialize()
eq_(self._msg_to_jsondict(msg2), json_dict)
bytes_eq(wire_msg, msg2.buf)
# check if "len" "length" fields can be omitted
def _remove(d, names):
f = lambda x: _remove(x, names)
if isinstance(d, list):
return list(map(f, d))
if isinstance(d, dict):
d2 = {}
for k, v in d.items():
if k in names:
continue
d2[k] = f(v)
return d2
return d
json_dict3 = _remove(json_dict, ['len', 'length'])
msg3 = self._jsondict_to_msg(dp, json_dict3)
msg3.set_xid(xid)
msg3.serialize()
bytes_eq(wire_msg, msg3.buf)
msg2.serialize()
bytes_eq(wire_msg, msg2.buf)
def _test_actions(self, act, test):
act_type = act["type"]
to_actions = test.to_actions
actions_to_str = test.actions_to_str
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
act_list = []
act_list.append(act)
# str -> action
result = to_actions(dp, act_list)
insts = result[0]
if act_type in test.supported_action:
cls = test.supported_action[act_type]
else:
cls = None
if act_type == 'GOTO_TABLE':
ok_(isinstance(insts, cls))
eq_(insts.table_id, act["table_id"])
elif act_type == 'WRITE_METADATA':
ok_(isinstance(insts, cls))
eq_(insts.metadata, act["metadata"])
eq_(insts.metadata_mask, act["metadata_mask"])
elif act_type == 'METER':
ok_(isinstance(insts, cls))
eq_(insts.meter_id, act["meter_id"])
else:
ok_(isinstance(insts.actions[0], cls))
if act_type == 'OUTPUT':
eq_(insts.actions[0].port, act["port"])
elif act_type == 'SET_MPLS_TTL':
eq_(insts.actions[0].mpls_ttl, act["mpls_ttl"])
elif act_type in [
'PUSH_VLAN', 'PUSH_MPLS', 'POP_MPLS', 'PUSH_PBB'
]:
eq_(insts.actions[0].ethertype, act["ethertype"])
elif act_type == 'SET_QUEUE':
eq_(insts.actions[0].queue_id, act["queue_id"])
elif act_type == 'GROUP':
eq_(insts.actions[0].group_id, act["group_id"])
elif act_type == 'SET_NW_TTL':
eq_(insts.actions[0].nw_ttl, act["nw_ttl"])
# action -> str
action_str = actions_to_str(result)
action_str_list = action_str[0].split(':')
eq_(action_str_list[0], act_type)
if act_type == 'GOTO_TABLE':
eq_(int(action_str_list[1]), act["table_id"])
elif act_type == 'WRITE_METADATA':
met = action_str_list[1].split('/')
eq_(int(met[0], 16), act["metadata"])
eq_(int(met[1], 16), act["metadata_mask"])
elif act_type == 'METER':
eq_(int(action_str_list[1]), act["meter_id"])
else:
if act_type == 'OUTPUT':
eq_(int(action_str_list[1]), act["port"])
elif act_type == 'SET_MPLS_TTL':
eq_(int(action_str_list[1]), act["mpls_ttl"])
elif act_type == 'PUSH_VLAN':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'PUSH_MPLS':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'POP_MPLS':
eq_(int(action_str_list[1]), act["ethertype"])
elif act_type == 'SET_QUEUE':
eq_(int(action_str_list[1]), act["queue_id"])
elif act_type == 'GROUP':
eq_(int(action_str_list[1]), act["group_id"])
elif act_type == 'SET_NW_TTL':
eq_(int(action_str_list[1]), act["nw_ttl"])
elif act_type == 'SET_FIELD':
eq_(action_str_list[1].strip(' {'), act["field"])
eq_(action_str_list[2].strip('} '), act["value"])
elif act_type == 'PUSH_PBB':
eq_(int(action_str_list[1]), act["ethertype"])
def _test_to_match(self, attrs, test):
to_match = test.to_match
match_to_str = test.match_to_str
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
ofproto = dp.ofproto
# str -> match
match = to_match(dp, attrs)
def equal_match(key, value, match):
key = self._conv_key(test, key, attrs)
field_value = self._get_field_value(test, key, match)
if key in ['eth_src', 'eth_dst', 'arp_sha', 'arp_tha']:
# MAC address
eth, mask = _to_match_eth(value)
if mask is not None:
# with mask
for i in range(0, len(mask)):
if mask[i] == 'f':
eq_(eth[i], field_value[0][i])
eq_(mask, field_value[1])
else:
# without mask
eq_(eth, field_value)
return
elif key in ['dl_src', 'dl_dst']:
eth, mask = _to_match_eth(value)
field_value = addrconv.mac.bin_to_text(field_value)
eq_(eth, field_value)
return
elif key in ['ipv4_src', 'ipv4_dst', 'arp_spa', 'arp_tpa']:
# IPv4 address
ipv4, mask = _to_match_ip(value)
if mask is not None:
# with mask
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value)
return
elif key in ['nw_src', 'nw_dst']:
# IPv4 address
ipv4, mask = _to_match_ip(value)
field_value = _to_match_ip(field_value)
if mask is not None:
# with mask
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value[0])
return
elif key in ['ipv6_src', 'ipv6_dst']:
# IPv6 address
ipv6, mask = _to_match_ip(value)
if mask is not None:
# with mask
eq_(ipv6, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv6, field_value)
return
elif key == 'vlan_vid':
if test.ver == ofproto_v1_0.OFP_VERSION:
eq_(value, field_value)
else:
eq_(test.expected_value['vlan_vid'][
value]['to_match'], field_value)
return
elif key == 'metadata' or key == 'ipv6_exthdr':
# Metadata or IPv6 Extension Header pseudo-field
value, mask = _to_match_masked_int(value)
if mask is not None:
# with mask
value &= mask
eq_(value, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(value, field_value)
return
else:
eq_(value, field_value)
return
for key, value in attrs.items():
equal_match(key, value, match)
# match -> str
match_str = match_to_str(match)
def equal_str(key, value, match_str):
field_value = match_str[key]
if key in ['dl_src', 'dl_dst', 'arp_sha', 'arp_tha']:
# MAC address
eth, mask = _to_match_eth(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
for i in range(0, len(mask)):
if mask[i] == 'f':
eq_(eth[i], field_value[0][i])
eq_(mask, field_value[1])
else:
# without mask
eq_(eth, field_value)
return
elif key in['nw_src', 'nw_dst', 'arp_spa', 'arp_tpa']:
# IPv4 address
if test.ver == ofproto_v1_0.OFP_VERSION:
ipv4, mask = _to_match_ip(value)
field_value = _to_match_ip(field_value)
if mask is not None:
# with mask
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value[0])
else:
ipv4, mask = _to_match_ip(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value)
return
elif key in ['ipv6_src', 'ipv6_dst']:
# IPv6 address
ipv6, mask = _to_match_ip(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
eq_(ipv6, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv6, field_value)
return
elif key == 'dl_vlan':
if test.ver == ofproto_v1_0.OFP_VERSION:
eq_(value, field_value)
else:
eq_(test.expected_value['vlan_vid'][
value]['to_str'], field_value)
return
elif key == 'metadata' or key == 'ipv6_exthdr':
# Metadata or IPv6 Extension Header pseudo-field
value, mask = _to_match_masked_int(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
value &= mask
eq_(str(value), field_value[0])
eq_(str(mask), field_value[1])
else:
# without mask
eq_(str(value), field_value)
return
else:
eq_(value, field_value)
return
for key, value in attrs.items():
if key in conv_of12_to_of10_dict:
key_old = conv_of12_to_of10_dict[key]
else:
key_old = key
equal_str(key_old, value, match_str)
def test_response_flows_removed_FLOWDIR_bytes_TXRX():
"""
Test the flows_removed API various flavours of src/dst bytes
sent/received by ingesting flow removal messages then checking
that the API response correctly specifies appropriate
stats for bytes sent, including identity enrichment
"""
#*** Start api_external as separate process:
logger.info("Starting api_external")
api_ps = multiprocessing.Process(target=api.run, args=())
api_ps.start()
#*** Supports OpenFlow version 1.3:
OFP_VERSION = ofproto_v1_3.OFP_VERSION
#*** Instantiate supporting classes:
flow = flows_module.Flow(config)
policy = policy_module.Policy(config)
identities = identities_module.Identities(config, policy)
#*** Client to Server DHCP Request:
flow.ingest_packet(DPID1, INPORT1, pkts_dhcp.RAW[2],
datetime.datetime.now())
identities.harvest(pkts_dhcp.RAW[2], flow.packet)
#*** Server to Client DHCP ACK:
flow.ingest_packet(DPID1, INPORT2, pkts_dhcp.RAW[3],
datetime.datetime.now())
identities.harvest(pkts_dhcp.RAW[3], flow.packet)
#*** Load JSON representations of flow removed messages:
with open('OFPMsgs/OFPFlowRemoved_1.json', 'r') as json_file:
json_str_tx_1 = json_file.read()
json_dict_tx_1 = json.loads(json_str_tx_1)
with open('OFPMsgs/OFPFlowRemoved_2.json', 'r') as json_file:
json_str_rx_1 = json_file.read()
json_dict_rx_1 = json.loads(json_str_rx_1)
with open('OFPMsgs/OFPFlowRemoved_3.json', 'r') as json_file:
json_str_tx_2 = json_file.read()
json_dict_tx_2 = json.loads(json_str_tx_2)
with open('OFPMsgs/OFPFlowRemoved_4.json', 'r') as json_file:
json_str_rx_2 = json_file.read()
json_dict_rx_2 = json.loads(json_str_rx_2)
with open('OFPMsgs/OFPFlowRemoved_5.json', 'r') as json_file:
json_str_tx_3 = json_file.read()
json_dict_tx_3 = json.loads(json_str_tx_3)
with open('OFPMsgs/OFPFlowRemoved_6.json', 'r') as json_file:
json_str_rx_3 = json_file.read()
json_dict_rx_3 = json.loads(json_str_rx_3)
#*** Switch 1:
#*** Set up fake datapaths and synthesise messages:
datapath1 = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath1.id = 1
msg_tx_1_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_tx_1)
msg_rx_1_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_rx_1)
msg_tx_2_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_tx_2)
msg_rx_2_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_rx_2)
msg_tx_3_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_tx_3)
msg_rx_3_sw1 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_rx_3)
#*** Record flow removals to flow_rems database collection:
flow.record_removal(msg_tx_1_sw1)
flow.record_removal(msg_rx_1_sw1)
flow.record_removal(msg_tx_2_sw1)
flow.record_removal(msg_rx_2_sw1)
flow.record_removal(msg_tx_3_sw1)
flow.record_removal(msg_rx_3_sw1)
#*** Switch 2 (same flows to check dedup for multiple switches works):
#*** Set up fake datapaths and synthesise messages:
datapath2 = ofproto_protocol.ProtocolDesc(version=OFP_VERSION)
datapath2.id = 2
msg_tx_1_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath2, json_dict_tx_1)
msg_rx_1_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath2, json_dict_rx_1)
msg_tx_2_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath2, json_dict_tx_2)
msg_rx_2_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath2, json_dict_rx_2)
msg_tx_3_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_tx_3)
msg_rx_3_sw2 = ofproto_parser.ofp_msg_from_jsondict(
datapath1, json_dict_rx_3)
#*** Record flow removals to flow_rems database collection:
flow.record_removal(msg_tx_1_sw2)
flow.record_removal(msg_rx_1_sw2)
flow.record_removal(msg_tx_2_sw2)
flow.record_removal(msg_rx_2_sw2)
flow.record_removal(msg_tx_3_sw2)
flow.record_removal(msg_rx_3_sw2)
#*** Test flows_removed_src_bytes_sent API:
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_SRC_BYTES_SENT)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['_items'][0]['_id'] == '10.1.0.2'
assert api_result['_items'][0]['total_bytes_sent'] == 12345
assert api_result['_items'][0]['identity'] == '10.1.0.2'
assert api_result['_items'][1]['_id'] == '10.1.0.1'
assert api_result['_items'][1]['total_bytes_sent'] == 5533
assert api_result['_items'][1]['identity'] == 'pc1'
#*** Test flows_removed_src_bytes_received API:
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_SRC_BYTES_RECEIVED)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['_items'][0]['_id'] == '10.1.0.1'
assert api_result['_items'][0]['total_bytes_received'] == 8628
assert api_result['_items'][0]['identity'] == 'pc1'
assert api_result['_items'][1]['_id'] == '10.1.0.2'
assert api_result['_items'][1]['total_bytes_received'] == 543
assert api_result['_items'][1]['identity'] == '10.1.0.2'
#*** Test flows_removed_dst_bytes_sent API:
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_DST_BYTES_SENT)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['_items'][0]['_id'] == '10.1.0.2'
assert api_result['_items'][0]['total_bytes_sent'] == 8628
assert api_result['_items'][0]['identity'] == '10.1.0.2'
assert api_result['_items'][1]['_id'] == '10.1.0.1'
assert api_result['_items'][1]['total_bytes_sent'] == 543
assert api_result['_items'][1]['identity'] == 'pc1'
#*** Test flows_removed_src_bytes_received API:
#*** Call the external API:
api_result = get_api_result(URL_TEST_FLOWS_REMOVED_DST_BYTES_RECEIVED)
logger.debug("api_result=%s", api_result)
#*** Validate API Response parameters:
assert api_result['_items'][0]['_id'] == '10.1.0.1'
assert api_result['_items'][0]['total_bytes_received'] == 12345
assert api_result['_items'][0]['identity'] == 'pc1'
assert api_result['_items'][1]['_id'] == '10.1.0.2'
assert api_result['_items'][1]['total_bytes_received'] == 5533
assert api_result['_items'][1]['identity'] == '10.1.0.2'
#*** Stop api_external sub-process:
api_ps.terminate()
def _test_to_match(self, attrs, test):
to_match = test.to_match
match_to_str = test.match_to_str
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
ofproto = dp.ofproto
vid_present = dp.ofproto.OFPVID_PRESENT
expected_value = {
"vlan_vid": {
0: {
"to_match": 0 | vid_present,
"to_str": "0"
},
3: {
"to_match": 3 | vid_present,
"to_str": "3"
},
4095: {
"to_match": 4095 | vid_present,
"to_str": "4095"
},
"0": {
"to_match": 0 | vid_present,
"to_str": "0"
},
"3": {
"to_match": 3 | vid_present,
"to_str": "3"
},
"4095": {
"to_match": 4095 | vid_present,
"to_str": "4095"
},
"0x0000": {
"to_match": 0x0000,
"to_str": "0x0000"
},
"0x0003": {
"to_match": 0x0003,
"to_str": "0x0003"
},
"0x0fff": {
"to_match": 0x0fff,
"to_str": "0x0fff"
},
"0x1000": {
"to_match": 0x1000,
"to_str": "0"
},
"0x1003": {
"to_match": 0x1003,
"to_str": "3"
},
"0x1fff": {
"to_match": 0x1fff,
"to_str": "4095"
},
"4096/4096": {
"to_match": (4096, 4096),
"to_str": "0x1000/0x1000"
},
"4096/4097": {
"to_match": (4096, 4097),
"to_str": "0x1000/0x1001"
},
"2744/2748": {
"to_match": (2744, 2748),
"to_str": "0x0ab8/0x0abc"
},
"2748/2748": {
"to_match": (2748, 2748),
"to_str": "0x0abc/0x0abc"
},
"2748/2749": {
"to_match": (2748, 2749),
"to_str": "0x0abc/0x0abd"
},
"0x1000/0x1000": {
"to_match": (0x1000, 0x1000),
"to_str": "0x1000/0x1000"
},
"0x1000/0x1001": {
"to_match": (0x1000, 0x1001),
"to_str": "0x1000/0x1001"
},
"0x0ab8/0x0abc": {
"to_match": (0x0ab8, 0x0abc),
"to_str": "0x0ab8/0x0abc"
},
"0x0abc/0x0abc": {
"to_match": (0x0abc, 0x0abc),
"to_str": "0x0abc/0x0abc"
},
"0x0abc/0x0abd": {
"to_match": (0x0abc, 0x0abd),
"to_str": "0x0abc/0x0abd"
}
}
}
# str -> match
match = to_match(dp, attrs)
def equal_match(key, value, match):
field_value = match[key]
if key in ['eth_src', 'eth_dst', 'arp_sha', 'arp_tha']:
# MAC address
eth, mask = _to_match_eth(value)
if mask is not None:
# with mask
for i in range(0, len(mask)):
if mask[i] == 'f':
eq_(eth[i], field_value[0][i])
eq_(mask, field_value[1])
else:
# without mask
eq_(eth, field_value)
return
elif key in ['ipv4_src', 'ipv4_dst', 'arp_spa', 'arp_tpa']:
# IPv4 address
ipv4, mask = _to_match_ip(value)
if mask is not None:
# with mask
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value)
return
elif key in ['ipv6_src', 'ipv6_dst']:
# IPv6 address
ipv6, mask = _to_match_ip(value)
if mask is not None:
# with mask
eq_(ipv6, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv6, field_value)
return
elif key == 'vlan_vid':
eq_(expected_value['vlan_vid'][value]['to_match'], field_value)
return
elif key == 'metadata' or key == 'ipv6_exthdr':
# Metadata or IPv6 Extension Header pseudo-field
value, mask = _to_match_masked_int(value)
if mask is not None:
# with mask
value &= mask
eq_(value, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(value, field_value)
return
else:
eq_(value, field_value)
return
for key, value in attrs.items():
if key in conv_of10_to_of12_dict:
# For old field name
key_new = conv_of10_to_of12_dict[key]
elif key == 'tp_src' or key == 'tp_dst':
# TCP/UDP port
conv = {
inet.IPPROTO_TCP: {
'tp_src': 'tcp_src',
'tp_dst': 'tcp_dst'
},
inet.IPPROTO_UDP: {
'tp_src': 'udp_src',
'tp_dst': 'udp_dst'
}
}
ip_proto = attrs.get('nw_proto', attrs.get('ip_proto', 0))
key_new = conv[ip_proto][key]
else:
key_new = key
equal_match(key_new, value, match)
# match -> str
match_str = match_to_str(match)
def equal_str(key, value, match_str):
field_value = match_str[key]
if key in ['dl_src', 'dl_dst', 'arp_sha', 'arp_tha']:
# MAC address
eth, mask = _to_match_eth(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
for i in range(0, len(mask)):
if mask[i] == 'f':
eq_(eth[i], field_value[0][i])
eq_(mask, field_value[1])
else:
# without mask
eq_(eth, field_value)
return
elif key in ['nw_src', 'nw_dst', 'arp_spa', 'arp_tpa']:
# IPv4 address
ipv4, mask = _to_match_ip(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
eq_(ipv4, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv4, field_value)
return
elif key in ['ipv6_src', 'ipv6_dst']:
# IPv6 address
ipv6, mask = _to_match_ip(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
eq_(ipv6, field_value[0])
eq_(mask, field_value[1])
else:
# without mask
eq_(ipv6, field_value)
return
elif key == 'dl_vlan':
eq_(expected_value['vlan_vid'][value]['to_str'], field_value)
return
elif key == 'metadata' or key == 'ipv6_exthdr':
# Metadata or IPv6 Extension Header pseudo-field
value, mask = _to_match_masked_int(value)
if mask is not None:
# with mask
field_value = field_value.split('/')
value &= mask
eq_(str(value), field_value[0])
eq_(str(mask), field_value[1])
else:
# without mask
eq_(str(value), field_value)
return
else:
eq_(value, field_value)
return
for key, value in attrs.items():
if key in conv_of12_to_of10_dict:
key_old = conv_of12_to_of10_dict[key]
else:
key_old = key
equal_str(key_old, value, match_str)
def _test_to_match(self, attrs, test):
to_match = test.to_match
match_to_str = test.match_to_str
dp = ofproto_protocol.ProtocolDesc(version=test.ver)
# str -> match
match = to_match(dp, attrs)
buf = bytearray()
match.serialize(buf, 0)
match = match.__class__.parser(str(buf), 0)
def equal_match(key, value, cls_name, fields):
for field in fields:
if cls_name in str(field):
if key in ['dl_src', 'dl_dst', 'arp_sha', 'arp_tha',
'eth_src', 'eth_dst']:
eth, mask = _to_match_eth(value)
str_eth = mac.haddr_to_str(eth)
str_mask = mac.haddr_to_str(mask)
str_value = mac.haddr_to_str(field.value)
for i in range(0, 17):
if str_mask[i] == 'f':
eq_(str_eth[i], str_value[i])
else:
continue
eq_(mask, field.mask)
return
elif key in ['nw_src', 'nw_dst', 'ipv4_src', 'ipv4_dst',
'arp_spa', 'arp_tpa']:
ipv4, mask = _to_match_ip(value)
eq_(ipv4, field.value)
eq_(mask, field.mask)
return
elif key in ['ipv6_src', 'ipv6_dst']:
ipv6, mask = _to_match_ipv6(value)
for i in range(0, 8):
if mask[i] == 65535:
eq_(ipv6[i], field.value[i])
else:
continue
eq_(list(mask), field.mask)
return
elif key == 'ipv6_nd_target':
ipv6, mask = _to_match_ipv6(value)
for i in range(0, 8):
if mask[i] == 65535:
eq_(ipv6[i], field.value[i])
else:
continue
return
elif key == 'ipv6_nd_sll' or key == 'ipv6_nd_tll':
eq_(mac.haddr_to_bin(value), field.value)
return
elif key == 'metadata':
eq_(int(value, 16), field.value)
return
else:
eq_(value, field.value)
return
assert False
for key, value in attrs.items():
if key.startswith('tp_'):
cls = test.supported_match[key][attrs["ip_proto"]]
elif key in test.supported_match:
cls = test.supported_match[key]
else:
cls = None
equal_match(key, value, cls.__name__, match.fields)
# match -> str
match_str = match_to_str(match)
def equal_str(key, value, match_str):
if key in ['dl_src', 'dl_dst', 'arp_sha', 'arp_tha']:
eth_1, mask_1 = _to_match_eth(value)
eth_2, mask_2 = _to_match_eth(match_str[key])
str_eth_1 = mac.haddr_to_str(eth_1)
str_mask_1 = mac.haddr_to_str(mask_1)
str_eth_2 = mac.haddr_to_str(eth_2)
for i in range(0, 17):
if str_mask_1[i] == 'f':
eq_(str_eth_1[i], str_eth_2[i])
else:
continue
eq_(mask_1, mask_2)
return
elif key in['nw_src', 'nw_dst', 'arp_spa', 'arp_tpa']:
ipv4_1, ip_mask_1 = _to_match_ip(value)
ipv4_2, ip_mask_2 = _to_match_ip(match_str[key])
eq_(ipv4_1, ipv4_2)
eq_(ip_mask_1, ip_mask_2)
return
elif key in ['ipv6_src', 'ipv6_dst']:
ipv6_1, netmask_1 = _to_match_ipv6(value)
ipv6_2, netmask_2 = _to_match_ipv6(match_str[key])
for i in range(0, 8):
if netmask_1[i] == 65535:
eq_(ipv6_1[i], ipv6_2[i])
else:
continue
eq_(netmask_1, netmask_2)
return
elif key == 'ipv6_nd_target':
ipv6_1, netmask_1 = _to_match_ipv6(value)
ipv6_2, netmask_2 = _to_match_ipv6(match_str[key])
for i in range(0, 8):
if netmask_1[i] == 65535:
eq_(ipv6_1[i], ipv6_2[i])
else:
continue
return
elif key == 'metadata':
eq_(str(int(value, 16)), match_str[key])
return
eq_(value, match_str[key])
for key, value in attrs.items():
if key in conv_dict:
key = conv_dict[key]
equal_str(key, value, match_str)