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#
# Copyright 2016-present Ciena Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from twisted.internet import defer
from nose.tools import *
from nose.twistedtools import reactor, deferred
from scapy.all import *
from select import select as socket_select
import time, monotonic
import os
import random
import threading
from IGMP import *
from McastTraffic import *
from Stats import Stats
from OnosCtrl import OnosCtrl
from OltConfig import OltConfig
from Channels import IgmpChannel
from CordLogger import CordLogger
from CordTestConfig import setup_module, teardown_module
from CordTestUtils import log_test
log_test.setLevel('INFO')
class IGMPProxyTestState:
def __init__(self, groups = [], df = None, state = 0):
self.df = df
self.state = state
self.counter = 0
self.groups = groups
self.group_map = {} ##create a send/recv count map
for g in groups:
self.group_map[g] = (Stats(), Stats())
def update(self, group, tx = 0, rx = 0, t = 0):
self.counter += 1
index = 0 if rx == 0 else 1
v = tx if rx == 0 else rx
if self.group_map.has_key(group):
self.group_map[group][index].update(packets = v, t = t)
def update_state(self):
self.state = self.state ^ 1
class igmpproxy_exchange(CordLogger):
V_INF1 = 'veth0'
MGROUP1 = '239.1.2.3'
MGROUP2 = '239.2.2.3'
MINVALIDGROUP1 = '255.255.255.255'
MINVALIDGROUP2 = '239.255.255.255'
MMACGROUP1 = "01:00:5e:01:02:03"
MMACGROUP2 = "01:00:5e:02:02:03"
IGMP_DST_MAC = "01:00:5e:00:00:16"
IGMP_SRC_MAC = "5a:e1:ac:ec:4d:a1"
IP_SRC = '1.2.3.4'
IP_DST = '224.0.0.22'
NEGATIVE_TRAFFIC_STATUS = 1
igmp_eth = Ether(dst = IGMP_DST_MAC, type = ETH_P_IP)
igmp_ip = IP(dst = IP_DST)
IGMP_TEST_TIMEOUT = 5
IGMP_QUERY_TIMEOUT = 60
MCAST_TRAFFIC_TIMEOUT = 20
PORT_TX_DEFAULT = 2
PORT_RX_DEFAULT = 1
max_packets = 100
app = 'org.opencord.igmpproxy'
olt_conf_file = os.getenv('OLT_CONFIG_FILE', os.path.join(os.path.dirname(os.path.realpath(__file__)), '../setup/olt_config.json'))
ROVER_TEST_TIMEOUT = 300 #3600*86
ROVER_TIMEOUT = (ROVER_TEST_TIMEOUT - 100)
ROVER_JOIN_TIMEOUT = 60
VOLTHA_ENABLED = bool(int(os.getenv('VOLTHA_ENABLED', 0)))
@classmethod
def setUpClass(cls):
cls.olt = OltConfig(olt_conf_file = cls.olt_conf_file)
cls.port_map, _ = cls.olt.olt_port_map()
if cls.VOLTHA_ENABLED is False:
OnosCtrl.config_device_driver()
OnosCtrl.cord_olt_config(cls.olt)
time.sleep(2)
@classmethod
def tearDownClass(cls):
if cls.VOLTHA_ENABLED is False:
OnosCtrl.config_device_driver(driver = 'ovs')
def setUp(self):
''' Activate the igmp proxy app'''
super(igmp_exchange, self).setUp()
self.onos_ctrl = OnosCtrl(self.app)
self.onos_ctrl.activate()
self.igmp_channel = IgmpChannel()
def tearDown(self):
super(igmp_exchange, self).tearDown()
def onos_load_config(self, config):
log_test.info('onos load config is %s'%config)
status, code = OnosCtrl.config(config)
if status is False:
log_test.info('JSON request returned status %d' %code)
assert_equal(status, True)
time.sleep(2)
def onos_ssm_table_load(self, groups, src_list = ['1.2.3.4'],flag = False):
return
ssm_dict = {'apps' : { 'org.opencord.igmpproxy' : { 'ssmTranslate' : [] } } }
ssm_xlate_list = ssm_dict['apps']['org.opencord.igmpproxy']['ssmTranslate']
if flag: #to maintain seperate group-source pair.
for i in range(len(groups)):
d = {}
d['source'] = src_list[i] or '0.0.0.0'
d['group'] = groups[i]
ssm_xlate_list.append(d)
else:
for g in groups:
for s in src_list:
d = {}
d['source'] = s or '0.0.0.0'
d['group'] = g
ssm_xlate_list.append(d)
self.onos_load_config(ssm_dict)
cord_port_map = {}
for g in groups:
cord_port_map[g] = (self.PORT_TX_DEFAULT, self.PORT_RX_DEFAULT)
self.igmp_channel.cord_port_table_load(cord_port_map)
time.sleep(2)
def get_igmp_intf(self):
inst = os.getenv('TEST_INSTANCE', None)
if not inst:
return 'veth0'
inst = int(inst) + 1
if inst >= self.port_map['uplink']:
inst += 1
if self.port_map.has_key(inst):
return self.port_map[inst]
return 'veth0'
def igmp_verify_join(self, igmpStateList):
sendState, recvState = igmpStateList
## check if the send is received for the groups
for g in sendState.groups:
tx_stats = sendState.group_map[g][0]
tx = tx_stats.count
assert_greater(tx, 0)
rx_stats = recvState.group_map[g][1]
rx = rx_stats.count
assert_greater(rx, 0)
log_test.info('Receive stats %s for group %s' %(rx_stats, g))
log_test.info('IGMP test verification success')
def igmp_verify_leave(self, igmpStateList, leave_groups):
sendState, recvState = igmpStateList[0], igmpStateList[1]
## check if the send is received for the groups
for g in sendState.groups:
tx_stats = sendState.group_map[g][0]
rx_stats = recvState.group_map[g][1]
tx = tx_stats.count
rx = rx_stats.count
assert_greater(tx, 0)
if g not in leave_groups:
log_test.info('Received %d packets for group %s' %(rx, g))
for g in leave_groups:
rx = recvState.group_map[g][1].count
assert_equal(rx, 0)
log_test.info('IGMP test verification success')
def mcast_traffic_timer(self):
log_test.info('MCAST traffic timer expiry')
self.mcastTraffic.stopReceives()
def send_mcast_cb(self, send_state):
for g in send_state.groups:
send_state.update(g, tx = 1)
return 0
##Runs in the context of twisted reactor thread
def igmp_recv(self, igmpState):
s = socket_select([self.recv_socket], [], [], 1.0)
if self.recv_socket in s[0]:
p = self.recv_socket.recv()
try:
send_time = float(p.payload.load)
recv_time = monotonic.monotonic()
except:
log_test.info('Unexpected Payload received: %s' %p.payload.load)
return 0
#log_test.info( 'Recv in %.6f secs' %(recv_time - send_time))
igmpState.update(p.dst, rx = 1, t = recv_time - send_time)
return 0
def send_igmp_join(self, groups, src_list = ['1.2.3.4'], record_type=IGMP_V3_GR_TYPE_INCLUDE,
ip_pkt = None, iface = 'veth0', ssm_load = False, delay = 1):
if ssm_load is True:
self.onos_ssm_table_load(groups, src_list)
igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30,
gaddr=self.IP_DST)
for g in groups:
gr = IGMPv3gr(rtype= record_type, mcaddr=g)
gr.sources = src_list
igmp.grps.append(gr)
if ip_pkt is None:
ip_pkt = self.igmp_eth/self.igmp_ip
pkt = ip_pkt/igmp
IGMPv3.fixup(pkt)
sendp(pkt, iface=iface)
if delay != 0:
time.sleep(delay)
def send_igmp_join_recvQuery(self, groups, rec_queryCount = None, src_list = ['1.2.3.4'], ip_pkt = None, iface = 'veth0', delay = 2):
self.onos_ssm_table_load(groups, src_list)
igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30,
gaddr=self.IP_DST)
for g in groups:
gr = IGMPv3gr(rtype=IGMP_V3_GR_TYPE_INCLUDE, mcaddr=g)
gr.sources = src_list
gr.sources = src_list
igmp.grps.append(gr)
if ip_pkt is None:
ip_pkt = self.igmp_eth/self.igmp_ip
pkt = ip_pkt/igmp
IGMPv3.fixup(pkt)
if rec_queryCount == None:
log_test.info('Sending IGMP join for group %s and waiting for one query packet and printing the packet' %groups)
resp = srp1(pkt, iface=iface)
else:
log_test.info('Sending IGMP join for group %s and waiting for periodic query packets and printing one packet' %groups)
resp = srp1(pkt, iface=iface)
# resp = srp1(pkt, iface=iface) if rec_queryCount else srp3(pkt, iface=iface)
resp[0].summary()
log_test.info('Sent IGMP join for group %s and received a query packet and printing packet' %groups)
if delay != 0:
time.sleep(delay)
def send_igmp_leave(self, groups, src_list = ['1.2.3.4'], ip_pkt = None, iface = 'veth0', delay = 2):
log_test.info('entering into igmp leave function')
igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30,
gaddr=self.IP_DST)
for g in groups:
gr = IGMPv3gr(rtype=IGMP_V3_GR_TYPE_EXCLUDE, mcaddr=g)
gr.sources = src_list
igmp.grps.append(gr)
if ip_pkt is None:
ip_pkt = self.igmp_eth/self.igmp_ip
pkt = ip_pkt/igmp
IGMPv3.fixup(pkt)
sendp(pkt, iface = iface)
if delay != 0:
time.sleep(delay)
@deferred(timeout=MCAST_TRAFFIC_TIMEOUT+10)
def test_igmpproxy_with_join_and_verify_traffic(self):
groups = [self.MGROUP1, self.MGROUP1]
self.onos_ssm_table_load(groups)
df = defer.Deferred()
igmpState = IGMPProxyTestState(groups = groups, df = df)
igmpStateRecv = IGMPProxyTestState(groups = groups, df = df)
igmpStateList = (igmpState, igmpStateRecv)
tx_intf = self.port_map[self.PORT_TX_DEFAULT]
rx_intf = self.port_map[self.PORT_RX_DEFAULT]
mcastTraffic = McastTraffic(groups, iface= tx_intf, cb = self.send_mcast_cb, arg = igmpState)
self.df = df
self.mcastTraffic = mcastTraffic
self.recv_socket = L3PacketSocket(iface = rx_intf, type = ETH_P_IP)
def igmp_srp_task(stateList):
igmpSendState, igmpRecvState = stateList
if not mcastTraffic.isRecvStopped():
self.igmp_recv(igmpRecvState)
reactor.callLater(0, igmp_srp_task, stateList)
else:
self.mcastTraffic.stop()
#log_test.info('Sending IGMP leave for groups: %s' %groups)
self.send_igmp_leave(groups, iface = rx_intf, delay = 2)
self.recv_socket.close()
self.igmp_verify_join(stateList)
self.df.callback(0)
self.send_igmp_join(groups, iface = rx_intf)
mcastTraffic.start()
self.test_timer = reactor.callLater(self.MCAST_TRAFFIC_TIMEOUT, self.mcast_traffic_timer)
reactor.callLater(0, igmp_srp_task, igmpStateList)
return df
@deferred(timeout=MCAST_TRAFFIC_TIMEOUT+40)
def test_igmpproxy_with_leave_and_verify_traffic(self):
groups = [self.MGROUP1]
leave_groups = [self.MGROUP1]
self.onos_ssm_table_load(groups)
df = defer.Deferred()
igmpState = IGMPProxyTestState(groups = groups, df = df)
IGMPProxyTestState(groups = groups, df = df)
tx_intf = self.port_map[self.PORT_TX_DEFAULT]
rx_intf = self.port_map[self.PORT_RX_DEFAULT]
mcastTraffic = McastTraffic(groups, iface= tx_intf, cb = self.send_mcast_cb,
arg = igmpState)
self.df = df
self.mcastTraffic = mcastTraffic
self.recv_socket = L3PacketSocket(iface = rx_intf, type = ETH_P_IP)
mcastTraffic.start()
self.send_igmp_join(groups, iface = rx_intf)
time.sleep(5)
self.send_igmp_leave(leave_groups, delay = 3, iface = rx_intf)
time.sleep(10)
join_state = IGMPProxyTestState(groups = leave_groups)
status = self.igmp_not_recv_task(rx_intf, leave_groups, join_state)
log_test.info('verified status for igmp recv task %s'%status)
assert status == 1 , 'EXPECTED RESULT'
self.df.callback(0)
return df
@deferred(timeout=100)
def test_igmpproxy_with_leave_and_join_loop(self):
self.groups = ['226.0.1.1', '227.0.0.1', '228.0.0.1', '229.0.0.1', '230.0.0.1' ]
self.src_list = ['3.4.5.6', '7.8.9.10']
self.onos_ssm_table_load(self.groups,src_list=self.src_list)
df = defer.Deferred()
self.df = df
self.iterations = 0
self.num_groups = len(self.groups)
self.MAX_TEST_ITERATIONS = 10
rx_intf = self.port_map[self.PORT_RX_DEFAULT]
def igmp_srp_task(v):
if self.iterations < self.MAX_TEST_ITERATIONS:
if v == 1:
##join test
self.num_groups = random.randint(0, len(self.groups))
self.send_igmp_join(self.groups[:self.num_groups],
src_list = self.src_list,
iface = rx_intf, delay = 0)
else:
self.send_igmp_leave(self.groups[:self.num_groups],
src_list = self.src_list,
iface = rx_intf, delay = 0)
self.iterations += 1
v ^= 1
reactor.callLater(1.0 + 0.5*self.num_groups,
igmp_srp_task, v)
else:
self.df.callback(0)
reactor.callLater(0, igmp_srp_task, 1)
return df
def igmp_join_task(self, intf, groups, state, src_list = ['1.2.3.4']):
#self.onos_ssm_table_load(groups, src_list)
igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30,
gaddr=self.IP_DST)
for g in groups:
gr = IGMPv3gr(rtype = IGMP_V3_GR_TYPE_INCLUDE, mcaddr = g)
gr.sources = src_list
igmp.grps.append(gr)
for g in groups:
state.group_map[g][0].update(1, t = monotonic.monotonic())
pkt = self.igmp_eth/self.igmp_ip/igmp
IGMPv3.fixup(pkt)
sendp(pkt, iface=intf)
log_test.debug('Returning from join task')
def igmp_recv_task(self, intf, groups, join_state):
recv_socket = L3PacketSocket(iface = intf, type = ETH_P_IP)
group_map = {}
for g in groups:
group_map[g] = [0,0]
log_test.info('Verifying join interface should receive multicast data')
while True:
p = recv_socket.recv()
if p.dst in groups and group_map[p.dst][0] == 0:
group_map[p.dst][0] += 1
group_map[p.dst][1] = monotonic.monotonic()
c = 0
for g in groups:
c += group_map[g][0]
if c == len(groups):
break
for g in groups:
join_start = join_state.group_map[g][0].start
recv_time = group_map[g][1] * 1000000
delta = (recv_time - join_start)
log_test.info('Join for group %s received in %.3f usecs' %
(g, delta))
recv_socket.close()
log_test.debug('Returning from recv task')
def igmp_not_recv_task(self, intf, groups, join_state):
log_test.info('Entering igmp not recv task loop')
recv_socket = L2Socket(iface = intf, type = ETH_P_IP)
group_map = {}
for g in groups:
group_map[g] = [0,0]
log_test.info('Verifying join interface, should not receive any multicast data')
self.NEGATIVE_TRAFFIC_STATUS = 1
def igmp_recv_cb(pkt):
log_test.info('Multicast packet %s received for left groups %s' %(pkt[IP].dst, groups))
self.NEGATIVE_TRAFFIC_STATUS = 2
sniff(prn = igmp_recv_cb, count = 1, lfilter = lambda p: IP in p and p[IP].dst in groups,
timeout = 3, opened_socket = recv_socket)
recv_socket.close()
return self.NEGATIVE_TRAFFIC_STATUS
def group_latency_check(self, groups):
tasks = []
self.send_igmp_leave(groups = groups)
join_state = IGMPProxyTestState(groups = groups)
tasks.append(threading.Thread(target=self.igmp_join_task, args = ('veth0', groups, join_state,)))
traffic_state = IGMPProxyTestState(groups = groups)
mcast_traffic = McastTraffic(groups, iface= 'veth2', cb = self.send_mcast_cb,
arg = traffic_state)
mcast_traffic.start()
tasks.append(threading.Thread(target=self.igmp_recv_task, args = ('veth0', groups, join_state)))
for t in tasks:
t.start()
for t in tasks:
t.join()
mcast_traffic.stop()
self.send_igmp_leave(groups = groups)
return
@deferred(timeout=IGMP_QUERY_TIMEOUT + 10)
def test_igmpproxy_with_1group_join_latency(self):
groups = ['239.0.1.1']
df = defer.Deferred()
def igmp_1group_join_latency():
self.group_latency_check(groups)
df.callback(0)
reactor.callLater(0, igmp_1group_join_latency)
return df
@deferred(timeout=IGMP_QUERY_TIMEOUT + 10)
def test_igmpproxy_with_2group_join_latency(self):
groups = [self.MGROUP1, self.MGROUP1]
df = defer.Deferred()
def igmp_2group_join_latency():
self.group_latency_check(groups)
df.callback(0)
reactor.callLater(0, igmp_2group_join_latency)
return df
@deferred(timeout=IGMP_QUERY_TIMEOUT + 10)
def test_igmpproxy_with_Ngroup_join_latency(self):
groups = ['239.0.1.1', '240.0.1.1', '241.0.1.1', '242.0.1.1']
df = defer.Deferred()
def igmp_Ngroup_join_latency():
self.group_latency_check(groups)
df.callback(0)
reactor.callLater(0, igmp_Ngroup_join_latency)
return df
def test_igmpproxy_with_join_rover_all(self):
s = (224 << 24) | 1
#e = (225 << 24) | (255 << 16) | (255 << 16) | 255
e = (224 << 24) | 10
for i in xrange(s, e+1):
if i&0xff:
ip = '%d.%d.%d.%d'%((i>>24)&0xff, (i>>16)&0xff, (i>>8)&0xff, i&0xff)
self.send_igmp_join([ip], delay = 0)
@deferred(timeout=ROVER_TEST_TIMEOUT)
def test_igmpproxy_with_join_rover(self):
df = defer.Deferred()
iface = self.get_igmp_intf()
self.df = df
self.count = 0
self.timeout = 0
self.complete = False
def igmp_join_timer():
self.timeout += self.ROVER_JOIN_TIMEOUT
log_test.info('IGMP joins sent: %d' %self.count)
if self.timeout >= self.ROVER_TIMEOUT:
self.complete = True
reactor.callLater(self.ROVER_JOIN_TIMEOUT, igmp_join_timer)
reactor.callLater(self.ROVER_JOIN_TIMEOUT, igmp_join_timer)
self.start_channel = (224 << 24) | 1
self.end_channel = (224 << 24) | 200 #(225 << 24) | (255 << 16) | (255 << 16) | 255
self.current_channel = self.start_channel
def igmp_join_rover(self):
#e = (224 << 24) | 10
chan = self.current_channel
self.current_channel += 1
if self.current_channel >= self.end_channel:
chan = self.current_channel = self.start_channel
if chan&0xff:
ip = '%d.%d.%d.%d'%((chan>>24)&0xff, (chan>>16)&0xff, (chan>>8)&0xff, chan&0xff)
self.send_igmp_join([ip], delay = 0, ssm_load = False, iface = iface)
self.count += 1
if self.complete == True:
log_test.info('%d IGMP joins sent in %d seconds over %s' %(self.count, self.timeout, iface))
self.df.callback(0)
else:
reactor.callLater(0, igmp_join_rover, self)
reactor.callLater(0, igmp_join_rover, self)
return df
@deferred(timeout=IGMP_QUERY_TIMEOUT + 10)
def test_igmpproxy_with_query(self):
groups = ['224.0.0.1'] ##igmp query group
self.onos_ssm_table_load(groups)
df = defer.Deferred()
self.df = df
self.recv_socket = L2Socket(iface = 'veth0', type = ETH_P_IP)
def igmp_query_timeout():
def igmp_query_cb(pkt):
log_test.info('received igmp query packet is %s'%pkt.show())
log_test.info('Got IGMP query packet from %s for %s' %(pkt[IP].src, pkt[IP].dst))
assert_equal(pkt[IP].dst, '224.0.0.1')
sniff(prn = igmp_query_cb, count=1, lfilter = lambda p: IP in p and p[IP].dst in groups,
opened_socket = self.recv_socket)
self.recv_socket.close()
self.df.callback(0)
#self.send_igmp_join(groups)
self.test_timer = reactor.callLater(self.IGMP_QUERY_TIMEOUT, igmp_query_timeout)
return df