Matteo Scandolo | 48d3d2d | 2017-08-08 13:05:27 -0700 | [diff] [blame] | 1 | |
| 2 | # Copyright 2017-present Open Networking Foundation |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | |
| 16 | |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 17 | # |
| 18 | # Copyright 2016-present Ciena Corporation |
| 19 | # |
| 20 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 21 | # you may not use this file except in compliance with the License. |
| 22 | # You may obtain a copy of the License at |
| 23 | # |
| 24 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 25 | # |
| 26 | # Unless required by applicable law or agreed to in writing, software |
| 27 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 28 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 29 | # See the License for the specific language governing permissions and |
| 30 | # limitations under the License. |
| 31 | # |
| 32 | from twisted.internet import defer |
| 33 | from nose.tools import * |
| 34 | from nose.twistedtools import reactor, deferred |
| 35 | from scapy.all import * |
| 36 | from select import select as socket_select |
| 37 | import time, monotonic |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 38 | import requests |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 39 | import os |
| 40 | import random |
| 41 | import threading |
| 42 | from IGMP import * |
| 43 | from McastTraffic import * |
| 44 | from Stats import Stats |
| 45 | from OnosCtrl import OnosCtrl |
| 46 | from OltConfig import OltConfig |
| 47 | from Channels import IgmpChannel |
| 48 | from CordLogger import CordLogger |
| 49 | from CordTestConfig import setup_module, teardown_module |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 50 | from onosclidriver import OnosCliDriver |
| 51 | from CordTestUtils import get_mac, get_controller |
| 52 | from portmaps import g_subscriber_port_map |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 53 | from CordTestUtils import log_test |
| 54 | log_test.setLevel('INFO') |
| 55 | |
| 56 | class IGMPProxyTestState: |
| 57 | |
| 58 | def __init__(self, groups = [], df = None, state = 0): |
| 59 | self.df = df |
| 60 | self.state = state |
| 61 | self.counter = 0 |
| 62 | self.groups = groups |
| 63 | self.group_map = {} ##create a send/recv count map |
| 64 | for g in groups: |
| 65 | self.group_map[g] = (Stats(), Stats()) |
| 66 | |
| 67 | def update(self, group, tx = 0, rx = 0, t = 0): |
| 68 | self.counter += 1 |
| 69 | index = 0 if rx == 0 else 1 |
| 70 | v = tx if rx == 0 else rx |
| 71 | if self.group_map.has_key(group): |
| 72 | self.group_map[group][index].update(packets = v, t = t) |
| 73 | |
| 74 | def update_state(self): |
| 75 | self.state = self.state ^ 1 |
| 76 | |
| 77 | class igmpproxy_exchange(CordLogger): |
| 78 | |
| 79 | V_INF1 = 'veth0' |
| 80 | MGROUP1 = '239.1.2.3' |
| 81 | MGROUP2 = '239.2.2.3' |
| 82 | MINVALIDGROUP1 = '255.255.255.255' |
| 83 | MINVALIDGROUP2 = '239.255.255.255' |
| 84 | MMACGROUP1 = "01:00:5e:01:02:03" |
| 85 | MMACGROUP2 = "01:00:5e:02:02:03" |
| 86 | IGMP_DST_MAC = "01:00:5e:00:00:16" |
| 87 | IGMP_SRC_MAC = "5a:e1:ac:ec:4d:a1" |
| 88 | IP_SRC = '1.2.3.4' |
| 89 | IP_DST = '224.0.0.22' |
| 90 | NEGATIVE_TRAFFIC_STATUS = 1 |
| 91 | igmp_eth = Ether(dst = IGMP_DST_MAC, type = ETH_P_IP) |
| 92 | igmp_ip = IP(dst = IP_DST) |
| 93 | IGMP_TEST_TIMEOUT = 5 |
| 94 | IGMP_QUERY_TIMEOUT = 60 |
| 95 | MCAST_TRAFFIC_TIMEOUT = 20 |
| 96 | PORT_TX_DEFAULT = 2 |
| 97 | PORT_RX_DEFAULT = 1 |
| 98 | max_packets = 100 |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 99 | MAX_PORTS = 100 |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 100 | app = 'org.opencord.igmpproxy' |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 101 | cord_config_app = 'org.opencord.config' |
| 102 | test_path = os.path.dirname(os.path.realpath(__file__)) |
| 103 | proxy_device_id = OnosCtrl.get_device_id() |
| 104 | controller = get_controller() |
| 105 | app_files = [os.path.join(test_path, '..', 'apps/cord-config-3.0-SNAPSHOT.oar'), os.path.join(test_path, '..', 'apps/olt-app-3.0-SNAPSHOT.oar'), os.path.join(test_path, '..', 'apps/mcast-1.3.0-SNAPSHOT.oar'), os.path.join(test_path, '..', 'apps/onos-app-igmpproxy-1.1.0-SNAPSHOT.oar')] |
| 106 | proxy_config_file = os.path.join(test_path, '..', 'igmpproxy/igmpproxyconfig.json') |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 107 | olt_conf_file = os.getenv('OLT_CONFIG_FILE', os.path.join(os.path.dirname(os.path.realpath(__file__)), '../setup/olt_config.json')) |
| 108 | ROVER_TEST_TIMEOUT = 300 #3600*86 |
| 109 | ROVER_TIMEOUT = (ROVER_TEST_TIMEOUT - 100) |
| 110 | ROVER_JOIN_TIMEOUT = 60 |
| 111 | VOLTHA_ENABLED = bool(int(os.getenv('VOLTHA_ENABLED', 0))) |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 112 | configs = {} |
| 113 | proxy_interfaces_last = () |
| 114 | interface_to_mac_map = {} |
| 115 | host_ip_map = {} |
| 116 | MAX_PORTS = 100 |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 117 | |
| 118 | @classmethod |
| 119 | def setUpClass(cls): |
| 120 | cls.olt = OltConfig(olt_conf_file = cls.olt_conf_file) |
| 121 | cls.port_map, _ = cls.olt.olt_port_map() |
| 122 | if cls.VOLTHA_ENABLED is False: |
| 123 | OnosCtrl.config_device_driver() |
| 124 | OnosCtrl.cord_olt_config(cls.olt) |
| 125 | time.sleep(2) |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 126 | cls.uninstall_cord_config_app() |
| 127 | cls.install_igmpproxy() |
| 128 | cls.igmp_proxy_setup() |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 129 | |
| 130 | @classmethod |
| 131 | def tearDownClass(cls): |
| 132 | if cls.VOLTHA_ENABLED is False: |
| 133 | OnosCtrl.config_device_driver(driver = 'ovs') |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 134 | #cls.igmp_proxy_cleanup() |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 135 | |
| 136 | def setUp(self): |
| 137 | ''' Activate the igmp proxy app''' |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 138 | super(igmpproxy_exchange, self).setUp() |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 139 | self.igmp_channel = IgmpChannel() |
| 140 | |
| 141 | def tearDown(self): |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 142 | super(igmpproxy_exchange, self).tearDown() |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 143 | |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 144 | @classmethod |
| 145 | def uninstall_cord_config_app(cls): |
| 146 | log_test.info('Uninstalling org.opencord.config 1.2 version app') |
| 147 | OnosCtrl(cls.cord_config_app).deactivate() |
| 148 | OnosCtrl.uninstall_app(cls.cord_config_app, onos_ip = cls.controller) |
| 149 | |
| 150 | @classmethod |
| 151 | def install_igmpproxy(cls): |
| 152 | for app in cls.app_files: |
| 153 | OnosCtrl.install_app(app, onos_ip = cls.controller) |
| 154 | OnosCtrl(app).activate() |
| 155 | |
| 156 | @classmethod |
| 157 | def igmp_proxy_setup(cls): |
| 158 | did = OnosCtrl.get_device_id() |
| 159 | cls.proxy_device_id = did |
| 160 | cls.olt = OltConfig(olt_conf_file = cls.olt_conf_file) |
| 161 | cls.port_map, _ = cls.olt.olt_port_map() |
| 162 | log_test.info('port map is %s'%cls.port_map) |
| 163 | if cls.port_map: |
| 164 | ##Per subscriber, we use 1 relay port |
| 165 | try: |
| 166 | proxy_port = cls.port_map[cls.port_map['relay_ports'][0]] |
| 167 | except: |
| 168 | proxy_port = cls.port_map['uplink'] |
| 169 | cls.proxy_interface_port = proxy_port |
| 170 | cls.proxy_interfaces = (cls.port_map[cls.proxy_interface_port],) |
| 171 | else: |
| 172 | cls.proxy_interface_port = 100 |
| 173 | cls.proxy_interfaces = (g_subscriber_port_map[cls.proxy_interface_port],) |
| 174 | cls.proxy_interfaces_last = cls.proxy_interfaces |
| 175 | if cls.port_map: |
| 176 | ##generate a ip/mac client virtual interface config for onos |
| 177 | interface_list = [] |
| 178 | for port in cls.port_map['ports']: |
| 179 | port_num = cls.port_map[port] |
| 180 | if port_num == cls.port_map['uplink']: |
| 181 | continue |
| 182 | ip = cls.get_host_ip(port_num) |
| 183 | mac = cls.get_mac(port) |
| 184 | interface_list.append((port_num, ip, mac)) |
| 185 | |
| 186 | #configure igmp proxy virtual interface |
| 187 | proxy_ip = cls.get_host_ip(interface_list[0][0]) |
| 188 | proxy_mac = cls.get_mac(cls.port_map[cls.proxy_interface_port]) |
| 189 | interface_list.append((cls.proxy_interface_port, proxy_ip, proxy_mac)) |
| 190 | cls.onos_interface_load(interface_list) |
| 191 | |
| 192 | @classmethod |
| 193 | def igmp_proxy_cleanup(cls): |
| 194 | #reset the ONOS port configuration back to default |
| 195 | for config in cls.configs.items(): |
| 196 | OnosCtrl.delete(config) |
| 197 | # if cls.onos_restartable is True: |
| 198 | # log_test.info('Cleaning up dhcp relay config by restarting ONOS with default network cfg') |
| 199 | # return cord_test_onos_restart(config = {}) |
| 200 | |
| 201 | @classmethod |
| 202 | def onos_load_config(cls, config,json_file=False): |
| 203 | log_test.info('onos load config is %s'%config) |
| 204 | status, code = OnosCtrl.config(config,json_file=json_file) |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 205 | if status is False: |
| 206 | log_test.info('JSON request returned status %d' %code) |
| 207 | assert_equal(status, True) |
| 208 | time.sleep(2) |
| 209 | |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 210 | @classmethod |
| 211 | def onos_interface_load(cls, interface_list): |
| 212 | interface_dict = { 'ports': {} } |
| 213 | for port_num, ip, mac in interface_list: |
| 214 | port_map = interface_dict['ports'] |
| 215 | port = '{}/{}'.format(cls.proxy_device_id, port_num) |
| 216 | port_map[port] = { 'interfaces': [] } |
| 217 | interface_list = port_map[port]['interfaces'] |
| 218 | interface_map = { 'ips' : [ '{}/{}'.format(ip, 24) ], |
| 219 | 'mac' : mac, |
| 220 | 'name': 'vir-{}'.format(port_num) |
| 221 | } |
| 222 | interface_list.append(interface_map) |
| 223 | |
| 224 | #cls.onos_load_config(interface_dict) |
| 225 | cls.configs['interface_config'] = interface_dict |
| 226 | |
| 227 | @classmethod |
| 228 | def onos_igmp_proxy_config_load(cls): |
| 229 | proxy_connect_point = '{}/{}'.format(cls.proxy_device_id, cls.proxy_interface_port) |
| 230 | #log_test.info('\nrelay interface port is %s'%cls.proxy_interface_port) |
| 231 | #log_test.info('\nrelay interface is %s'%cls.port_map[cls.proxy_interface_port]) |
| 232 | #log_test.info('\nconnect point is %s'%proxy_connect_point) |
| 233 | #cls.onos_load_config(cls.proxy_config_file,json_file=True) |
| 234 | igmpproxy_dict = {'apps':{ |
| 235 | 'org.opencord.igmpproxy':{ |
| 236 | 'igmpproxy': |
| 237 | {'globalConnectPointMode': 'true', |
| 238 | 'globalConnectPoint': proxy_connect_point, |
| 239 | 'UnsolicitedTimeOut': '2', |
| 240 | 'MaxResp': '10', |
| 241 | 'KeepAliveInterval': '120', |
| 242 | 'KeepAliveCount': '3', |
| 243 | 'LastQueryInterval': '2', |
| 244 | 'LastQueryCount': '2', |
| 245 | 'FastLeave': 'false', |
| 246 | 'PeriodicQuery': 'true', |
| 247 | 'IgmpCos': '7', |
| 248 | 'withRAUpLink': 'true', |
| 249 | 'withRADownLink': 'true' |
| 250 | } |
| 251 | }, |
| 252 | 'org.opencord.mcast':{ |
| 253 | 'ingressVlan': '222', |
| 254 | 'egressVlan': '17' |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | device_dict = {'devices':{ |
| 259 | cls.proxy_device_id: { |
| 260 | 'basic': { |
| 261 | 'driver': 'default' |
| 262 | }, |
| 263 | 'accessDevice': { |
| 264 | 'uplink': '2', |
| 265 | 'vlan': '222', |
| 266 | 'defaultVlan': '1' |
| 267 | } |
| 268 | } |
| 269 | } |
| 270 | } |
| 271 | log_test.info('igmp proxy dict is %s'%igmpproxy_dict) |
| 272 | cls.onos_load_config(igmpproxy_dict) |
| 273 | cls.onos_load_config(device_dict) |
| 274 | cls.configs['relay_config'] = igmpproxy_dict |
| 275 | cls.configs['device_config'] = device_dict |
| 276 | |
| 277 | @classmethod |
| 278 | def get_host_ip(cls, port): |
| 279 | if cls.host_ip_map.has_key(port): |
| 280 | return cls.host_ip_map[port] |
| 281 | cls.host_ip_map[port] = '192.168.1.{}'.format(port) |
| 282 | return cls.host_ip_map[port] |
| 283 | |
| 284 | @classmethod |
| 285 | def host_load(cls, iface): |
| 286 | '''Have ONOS discover the hosts for dhcp-relay responses''' |
| 287 | port = g_subscriber_port_map[iface] |
| 288 | host = '173.17.1.{}'.format(port) |
| 289 | cmds = ( 'ifconfig {} 0'.format(iface), |
| 290 | 'ifconfig {0} {1}'.format(iface, host), |
| 291 | 'arping -I {0} {1} -c 2'.format(iface, host),) |
| 292 | #'ifconfig {} 0'.format(iface), ) |
| 293 | for c in cmds: |
| 294 | log_test.info('host load config command %s'%c) |
| 295 | os.system(c) |
| 296 | |
| 297 | @classmethod |
| 298 | def host_config_load(cls, host_config = None): |
| 299 | for host in host_config: |
| 300 | status, code = OnosCtrl.host_config(host) |
| 301 | if status is False: |
| 302 | log_test.info('JSON request returned status %d' %code) |
| 303 | assert_equal(status, True) |
| 304 | |
| 305 | @classmethod |
| 306 | def generate_host_config(cls,ip,mac): |
| 307 | num = 0 |
| 308 | hosts_dict = {} |
| 309 | hosts_list = [(ip,mac),] |
| 310 | for host, mac in hosts_list: |
| 311 | port = num + 1 if num < cls.MAX_PORTS - 1 else cls.MAX_PORTS - 1 |
| 312 | hosts_dict[host] = {'mac':mac, 'vlan':'none', 'ipAddresses':[host], 'location':{ 'elementId' : '{}'.format(cls.proxy_device_id), 'port': port}} |
| 313 | num += 1 |
| 314 | return hosts_dict.values() |
| 315 | |
| 316 | |
| 317 | @classmethod |
| 318 | def get_mac(cls, iface): |
| 319 | if cls.interface_to_mac_map.has_key(iface): |
| 320 | return cls.interface_to_mac_map[iface] |
| 321 | mac = get_mac(iface, pad = 0) |
| 322 | cls.interface_to_mac_map[iface] = mac |
| 323 | return mac |
| 324 | |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 325 | def onos_ssm_table_load(self, groups, src_list = ['1.2.3.4'],flag = False): |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 326 | ssm_dict = {'apps' : { 'org.opencord.igmpproxy' : { 'ssmTranslate' : [] } } } |
| 327 | ssm_xlate_list = ssm_dict['apps']['org.opencord.igmpproxy']['ssmTranslate'] |
| 328 | if flag: #to maintain seperate group-source pair. |
| 329 | for i in range(len(groups)): |
| 330 | d = {} |
| 331 | d['source'] = src_list[i] or '0.0.0.0' |
| 332 | d['group'] = groups[i] |
| 333 | ssm_xlate_list.append(d) |
| 334 | else: |
| 335 | for g in groups: |
| 336 | for s in src_list: |
| 337 | d = {} |
| 338 | d['source'] = s or '0.0.0.0' |
| 339 | d['group'] = g |
| 340 | ssm_xlate_list.append(d) |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 341 | log_test.info('onos ssm table config dictionary is %s'%ssm_dict) |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 342 | self.onos_load_config(ssm_dict) |
| 343 | cord_port_map = {} |
| 344 | for g in groups: |
| 345 | cord_port_map[g] = (self.PORT_TX_DEFAULT, self.PORT_RX_DEFAULT) |
| 346 | self.igmp_channel.cord_port_table_load(cord_port_map) |
| 347 | time.sleep(2) |
| 348 | |
| 349 | def get_igmp_intf(self): |
| 350 | inst = os.getenv('TEST_INSTANCE', None) |
| 351 | if not inst: |
| 352 | return 'veth0' |
| 353 | inst = int(inst) + 1 |
| 354 | if inst >= self.port_map['uplink']: |
| 355 | inst += 1 |
| 356 | if self.port_map.has_key(inst): |
| 357 | return self.port_map[inst] |
| 358 | return 'veth0' |
| 359 | |
| 360 | def igmp_verify_join(self, igmpStateList): |
| 361 | sendState, recvState = igmpStateList |
| 362 | ## check if the send is received for the groups |
| 363 | for g in sendState.groups: |
| 364 | tx_stats = sendState.group_map[g][0] |
| 365 | tx = tx_stats.count |
| 366 | assert_greater(tx, 0) |
| 367 | rx_stats = recvState.group_map[g][1] |
| 368 | rx = rx_stats.count |
| 369 | assert_greater(rx, 0) |
| 370 | log_test.info('Receive stats %s for group %s' %(rx_stats, g)) |
| 371 | |
| 372 | log_test.info('IGMP test verification success') |
| 373 | |
| 374 | def igmp_verify_leave(self, igmpStateList, leave_groups): |
| 375 | sendState, recvState = igmpStateList[0], igmpStateList[1] |
| 376 | ## check if the send is received for the groups |
| 377 | for g in sendState.groups: |
| 378 | tx_stats = sendState.group_map[g][0] |
| 379 | rx_stats = recvState.group_map[g][1] |
| 380 | tx = tx_stats.count |
| 381 | rx = rx_stats.count |
| 382 | assert_greater(tx, 0) |
| 383 | if g not in leave_groups: |
| 384 | log_test.info('Received %d packets for group %s' %(rx, g)) |
| 385 | for g in leave_groups: |
| 386 | rx = recvState.group_map[g][1].count |
| 387 | assert_equal(rx, 0) |
| 388 | |
| 389 | log_test.info('IGMP test verification success') |
| 390 | |
| 391 | def mcast_traffic_timer(self): |
| 392 | log_test.info('MCAST traffic timer expiry') |
| 393 | self.mcastTraffic.stopReceives() |
| 394 | |
| 395 | def send_mcast_cb(self, send_state): |
| 396 | for g in send_state.groups: |
| 397 | send_state.update(g, tx = 1) |
| 398 | return 0 |
| 399 | |
| 400 | ##Runs in the context of twisted reactor thread |
| 401 | def igmp_recv(self, igmpState): |
| 402 | s = socket_select([self.recv_socket], [], [], 1.0) |
| 403 | if self.recv_socket in s[0]: |
| 404 | p = self.recv_socket.recv() |
| 405 | try: |
| 406 | send_time = float(p.payload.load) |
| 407 | recv_time = monotonic.monotonic() |
| 408 | except: |
| 409 | log_test.info('Unexpected Payload received: %s' %p.payload.load) |
| 410 | return 0 |
| 411 | #log_test.info( 'Recv in %.6f secs' %(recv_time - send_time)) |
| 412 | igmpState.update(p.dst, rx = 1, t = recv_time - send_time) |
| 413 | return 0 |
| 414 | |
| 415 | def send_igmp_join(self, groups, src_list = ['1.2.3.4'], record_type=IGMP_V3_GR_TYPE_INCLUDE, |
| 416 | ip_pkt = None, iface = 'veth0', ssm_load = False, delay = 1): |
| 417 | if ssm_load is True: |
| 418 | self.onos_ssm_table_load(groups, src_list) |
| 419 | igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30, |
| 420 | gaddr=self.IP_DST) |
| 421 | for g in groups: |
| 422 | gr = IGMPv3gr(rtype= record_type, mcaddr=g) |
| 423 | gr.sources = src_list |
| 424 | igmp.grps.append(gr) |
| 425 | if ip_pkt is None: |
| 426 | ip_pkt = self.igmp_eth/self.igmp_ip |
| 427 | pkt = ip_pkt/igmp |
| 428 | IGMPv3.fixup(pkt) |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 429 | log_test.info('sending igmp join packet %s'%pkt.show()) |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 430 | sendp(pkt, iface=iface) |
| 431 | if delay != 0: |
| 432 | time.sleep(delay) |
| 433 | |
| 434 | def send_igmp_join_recvQuery(self, groups, rec_queryCount = None, src_list = ['1.2.3.4'], ip_pkt = None, iface = 'veth0', delay = 2): |
| 435 | self.onos_ssm_table_load(groups, src_list) |
| 436 | igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30, |
| 437 | gaddr=self.IP_DST) |
| 438 | for g in groups: |
| 439 | gr = IGMPv3gr(rtype=IGMP_V3_GR_TYPE_INCLUDE, mcaddr=g) |
| 440 | gr.sources = src_list |
| 441 | gr.sources = src_list |
| 442 | igmp.grps.append(gr) |
| 443 | if ip_pkt is None: |
| 444 | ip_pkt = self.igmp_eth/self.igmp_ip |
| 445 | pkt = ip_pkt/igmp |
| 446 | IGMPv3.fixup(pkt) |
| 447 | if rec_queryCount == None: |
| 448 | log_test.info('Sending IGMP join for group %s and waiting for one query packet and printing the packet' %groups) |
| 449 | resp = srp1(pkt, iface=iface) |
| 450 | else: |
| 451 | log_test.info('Sending IGMP join for group %s and waiting for periodic query packets and printing one packet' %groups) |
| 452 | resp = srp1(pkt, iface=iface) |
| 453 | # resp = srp1(pkt, iface=iface) if rec_queryCount else srp3(pkt, iface=iface) |
| 454 | resp[0].summary() |
| 455 | log_test.info('Sent IGMP join for group %s and received a query packet and printing packet' %groups) |
| 456 | if delay != 0: |
| 457 | time.sleep(delay) |
| 458 | |
| 459 | def send_igmp_leave(self, groups, src_list = ['1.2.3.4'], ip_pkt = None, iface = 'veth0', delay = 2): |
| 460 | log_test.info('entering into igmp leave function') |
| 461 | igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30, |
| 462 | gaddr=self.IP_DST) |
| 463 | for g in groups: |
| 464 | gr = IGMPv3gr(rtype=IGMP_V3_GR_TYPE_EXCLUDE, mcaddr=g) |
| 465 | gr.sources = src_list |
| 466 | igmp.grps.append(gr) |
| 467 | if ip_pkt is None: |
| 468 | ip_pkt = self.igmp_eth/self.igmp_ip |
| 469 | pkt = ip_pkt/igmp |
| 470 | IGMPv3.fixup(pkt) |
| 471 | sendp(pkt, iface = iface) |
| 472 | if delay != 0: |
| 473 | time.sleep(delay) |
| 474 | |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 475 | def test_igmpproxy_app_installation(self): |
| 476 | #self.uninstall_cord_config_app() |
| 477 | #self.install_igmpproxy() |
| 478 | auth = ('karaf','karaf') |
| 479 | url = 'http://{}:8181/onos/v1/applications'.format(self.controller) |
| 480 | for file in self.app_files: |
| 481 | with open(file, 'rb') as payload: |
| 482 | res = requests.post(url,auth=auth,data=payload) |
| 483 | assert_equal(res.ok, True) |
| 484 | |
| 485 | def test_igmpproxy_app_netcfg(self): |
| 486 | auth = ('karaf','karaf') |
| 487 | net_cfg_url = 'http://{}:8181/onos/v1/network/configuration/'.format(self.controller) |
| 488 | with open(self.proxy_config_file, 'rb') as payload: |
| 489 | res = requests.post(net_cfg_url,auth=auth,data=payload) |
| 490 | assert_equal(res.ok, True) |
| 491 | |
| 492 | def test_igmpproxy_for_first_join(self,iface='veth0'): |
| 493 | group = ['224.9.8.7'] |
| 494 | src = ['10.9.8.7'] |
| 495 | self.onos_igmp_proxy_config_load() |
| 496 | self.onos_ssm_table_load(group,src_list=src) |
| 497 | self.success = False |
| 498 | def recv_task(): |
| 499 | def igmp_recv_cb(pkt): |
| 500 | log_test.info('igmp packet received on proxy interface') |
| 501 | self.success = True |
| 502 | sniff(prn = igmp_recv_cb,lfilter = lambda p: IP in p and p[IP].proto == 2 and p[IP].dst==self.IP_DST, count=1,timeout = 5, iface=self.proxy_interfaces[0]) |
| 503 | t = threading.Thread(target = recv_task) |
| 504 | t.start() |
| 505 | self.send_igmp_join(groups = group, src_list = src,record_type = IGMP_V3_GR_TYPE_INCLUDE, |
| 506 | iface = iface) |
| 507 | t.join() |
| 508 | assert_equal(self.success,True) |
| 509 | """ |
| 510 | ############# Traffic Test |
| 511 | def recv_task(): |
| 512 | def igmp_recv_cb(pkt): |
| 513 | log_test.info('igmp data traffic received on proxy interface') |
| 514 | self.success = False |
| 515 | sniff(prn = igmp_recv_cb,count=1,timeout = 5, iface=self.proxy_interfaces[0]) |
| 516 | t = threading.Thread(target = recv_task) |
| 517 | t.start() |
| 518 | data = repr(monotonic.monotonic()) |
| 519 | pkt2 = Ether(dst='01:00:5e:09:08:07')/IP(src='10.9.8.7',dst='224.9.8.7')/data |
| 520 | log_test.info('igmp data traffic packet is %s'%pkt2.show()) |
| 521 | sendp(pkt2,iface='veth2',count=10) |
| 522 | t.join() |
| 523 | assert_equal(self.success,False) |
| 524 | """ |
| 525 | |
| 526 | def test_igmpproxy_for_two_joins(self,iface='veth0'): |
| 527 | groups = ['224.9.8.7','224.9.8.8'] |
| 528 | src = ['10.9.8.7'] |
| 529 | self.onos_igmp_proxy_config_load() |
| 530 | self.onos_ssm_table_load(groups,src_list=src) |
| 531 | def recv_task(): |
| 532 | def igmp_recv_cb(pkt): |
| 533 | log_test.info('igmp packet received on proxy interface') |
| 534 | self.success = True |
| 535 | sniff(prn = igmp_recv_cb,lfilter = lambda p: IP in p and p[IP].proto == 2 and p[IP].dst==self.IP_DST, count=1,timeout = 5, iface=self.proxy_interfaces[0]) |
| 536 | for group in groups: |
| 537 | self.success = False |
| 538 | t = threading.Thread(target = recv_task) |
| 539 | t.start() |
| 540 | self.send_igmp_join(groups = [group], src_list = src,record_type = IGMP_V3_GR_TYPE_INCLUDE, |
| 541 | iface = iface) |
| 542 | t.join() |
| 543 | assert_equal(self.success,True) |
| 544 | |
| 545 | def test_igmpproxy_for_igmp_joins_on_non_proxy_interface(self,iface='veth0',non_proxy_iface='veth2'): |
| 546 | group = ['224.9.8.7'] |
| 547 | src = ['10.9.8.7'] |
| 548 | self.onos_igmp_proxy_config_load() |
| 549 | self.onos_ssm_table_load(group,src_list=src) |
| 550 | def recv_task(): |
| 551 | def igmp_recv_cb(pkt): |
| 552 | log_test.info('igmp packet received on non-proxy interface') |
| 553 | self.success = True |
| 554 | sniff(prn = igmp_recv_cb,lfilter = lambda p: IP in p and p[IP].proto == 2 and p[IP].dst==self.IP_DST, count=1,timeout = 5, iface=non_proxy_iface) |
| 555 | self.success = False |
| 556 | t = threading.Thread(target = recv_task) |
| 557 | t.start() |
| 558 | self.send_igmp_join(groups = [group], src_list = src,record_type = IGMP_V3_GR_TYPE_INCLUDE, |
| 559 | iface = iface) |
| 560 | t.join() |
| 561 | assert_equal(self.success,False) |
| 562 | |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 563 | @deferred(timeout=MCAST_TRAFFIC_TIMEOUT+10) |
| 564 | def test_igmpproxy_with_join_and_verify_traffic(self): |
Anil Kumar Sanka | e08e4aa | 2017-09-08 22:23:48 +0000 | [diff] [blame] | 565 | #groups = [self.MGROUP1, self.MGROUP1] |
| 566 | groups = ["238.2.3.4"] |
| 567 | self.onos_igmp_proxy_config_load() |
| 568 | #self.onos_ssm_table_load(groups) |
Chetan Gaonker | 26ae67e | 2017-07-18 19:58:30 +0000 | [diff] [blame] | 569 | df = defer.Deferred() |
| 570 | igmpState = IGMPProxyTestState(groups = groups, df = df) |
| 571 | igmpStateRecv = IGMPProxyTestState(groups = groups, df = df) |
| 572 | igmpStateList = (igmpState, igmpStateRecv) |
| 573 | tx_intf = self.port_map[self.PORT_TX_DEFAULT] |
| 574 | rx_intf = self.port_map[self.PORT_RX_DEFAULT] |
| 575 | mcastTraffic = McastTraffic(groups, iface= tx_intf, cb = self.send_mcast_cb, arg = igmpState) |
| 576 | self.df = df |
| 577 | self.mcastTraffic = mcastTraffic |
| 578 | self.recv_socket = L3PacketSocket(iface = rx_intf, type = ETH_P_IP) |
| 579 | |
| 580 | def igmp_srp_task(stateList): |
| 581 | igmpSendState, igmpRecvState = stateList |
| 582 | if not mcastTraffic.isRecvStopped(): |
| 583 | self.igmp_recv(igmpRecvState) |
| 584 | reactor.callLater(0, igmp_srp_task, stateList) |
| 585 | else: |
| 586 | self.mcastTraffic.stop() |
| 587 | #log_test.info('Sending IGMP leave for groups: %s' %groups) |
| 588 | self.send_igmp_leave(groups, iface = rx_intf, delay = 2) |
| 589 | self.recv_socket.close() |
| 590 | self.igmp_verify_join(stateList) |
| 591 | self.df.callback(0) |
| 592 | |
| 593 | self.send_igmp_join(groups, iface = rx_intf) |
| 594 | mcastTraffic.start() |
| 595 | self.test_timer = reactor.callLater(self.MCAST_TRAFFIC_TIMEOUT, self.mcast_traffic_timer) |
| 596 | reactor.callLater(0, igmp_srp_task, igmpStateList) |
| 597 | return df |
| 598 | |
| 599 | @deferred(timeout=MCAST_TRAFFIC_TIMEOUT+40) |
| 600 | def test_igmpproxy_with_leave_and_verify_traffic(self): |
| 601 | groups = [self.MGROUP1] |
| 602 | leave_groups = [self.MGROUP1] |
| 603 | self.onos_ssm_table_load(groups) |
| 604 | df = defer.Deferred() |
| 605 | igmpState = IGMPProxyTestState(groups = groups, df = df) |
| 606 | IGMPProxyTestState(groups = groups, df = df) |
| 607 | tx_intf = self.port_map[self.PORT_TX_DEFAULT] |
| 608 | rx_intf = self.port_map[self.PORT_RX_DEFAULT] |
| 609 | mcastTraffic = McastTraffic(groups, iface= tx_intf, cb = self.send_mcast_cb, |
| 610 | arg = igmpState) |
| 611 | self.df = df |
| 612 | self.mcastTraffic = mcastTraffic |
| 613 | self.recv_socket = L3PacketSocket(iface = rx_intf, type = ETH_P_IP) |
| 614 | |
| 615 | mcastTraffic.start() |
| 616 | self.send_igmp_join(groups, iface = rx_intf) |
| 617 | time.sleep(5) |
| 618 | self.send_igmp_leave(leave_groups, delay = 3, iface = rx_intf) |
| 619 | time.sleep(10) |
| 620 | join_state = IGMPProxyTestState(groups = leave_groups) |
| 621 | status = self.igmp_not_recv_task(rx_intf, leave_groups, join_state) |
| 622 | log_test.info('verified status for igmp recv task %s'%status) |
| 623 | assert status == 1 , 'EXPECTED RESULT' |
| 624 | self.df.callback(0) |
| 625 | return df |
| 626 | |
| 627 | @deferred(timeout=100) |
| 628 | def test_igmpproxy_with_leave_and_join_loop(self): |
| 629 | self.groups = ['226.0.1.1', '227.0.0.1', '228.0.0.1', '229.0.0.1', '230.0.0.1' ] |
| 630 | self.src_list = ['3.4.5.6', '7.8.9.10'] |
| 631 | self.onos_ssm_table_load(self.groups,src_list=self.src_list) |
| 632 | df = defer.Deferred() |
| 633 | self.df = df |
| 634 | self.iterations = 0 |
| 635 | self.num_groups = len(self.groups) |
| 636 | self.MAX_TEST_ITERATIONS = 10 |
| 637 | rx_intf = self.port_map[self.PORT_RX_DEFAULT] |
| 638 | |
| 639 | def igmp_srp_task(v): |
| 640 | if self.iterations < self.MAX_TEST_ITERATIONS: |
| 641 | if v == 1: |
| 642 | ##join test |
| 643 | self.num_groups = random.randint(0, len(self.groups)) |
| 644 | self.send_igmp_join(self.groups[:self.num_groups], |
| 645 | src_list = self.src_list, |
| 646 | iface = rx_intf, delay = 0) |
| 647 | else: |
| 648 | self.send_igmp_leave(self.groups[:self.num_groups], |
| 649 | src_list = self.src_list, |
| 650 | iface = rx_intf, delay = 0) |
| 651 | self.iterations += 1 |
| 652 | v ^= 1 |
| 653 | reactor.callLater(1.0 + 0.5*self.num_groups, |
| 654 | igmp_srp_task, v) |
| 655 | else: |
| 656 | self.df.callback(0) |
| 657 | |
| 658 | reactor.callLater(0, igmp_srp_task, 1) |
| 659 | return df |
| 660 | |
| 661 | def igmp_join_task(self, intf, groups, state, src_list = ['1.2.3.4']): |
| 662 | #self.onos_ssm_table_load(groups, src_list) |
| 663 | igmp = IGMPv3(type = IGMP_TYPE_V3_MEMBERSHIP_REPORT, max_resp_code=30, |
| 664 | gaddr=self.IP_DST) |
| 665 | for g in groups: |
| 666 | gr = IGMPv3gr(rtype = IGMP_V3_GR_TYPE_INCLUDE, mcaddr = g) |
| 667 | gr.sources = src_list |
| 668 | igmp.grps.append(gr) |
| 669 | |
| 670 | for g in groups: |
| 671 | state.group_map[g][0].update(1, t = monotonic.monotonic()) |
| 672 | |
| 673 | pkt = self.igmp_eth/self.igmp_ip/igmp |
| 674 | IGMPv3.fixup(pkt) |
| 675 | sendp(pkt, iface=intf) |
| 676 | log_test.debug('Returning from join task') |
| 677 | |
| 678 | def igmp_recv_task(self, intf, groups, join_state): |
| 679 | recv_socket = L3PacketSocket(iface = intf, type = ETH_P_IP) |
| 680 | group_map = {} |
| 681 | for g in groups: |
| 682 | group_map[g] = [0,0] |
| 683 | |
| 684 | log_test.info('Verifying join interface should receive multicast data') |
| 685 | while True: |
| 686 | p = recv_socket.recv() |
| 687 | if p.dst in groups and group_map[p.dst][0] == 0: |
| 688 | group_map[p.dst][0] += 1 |
| 689 | group_map[p.dst][1] = monotonic.monotonic() |
| 690 | c = 0 |
| 691 | for g in groups: |
| 692 | c += group_map[g][0] |
| 693 | if c == len(groups): |
| 694 | break |
| 695 | for g in groups: |
| 696 | join_start = join_state.group_map[g][0].start |
| 697 | recv_time = group_map[g][1] * 1000000 |
| 698 | delta = (recv_time - join_start) |
| 699 | log_test.info('Join for group %s received in %.3f usecs' % |
| 700 | (g, delta)) |
| 701 | |
| 702 | recv_socket.close() |
| 703 | log_test.debug('Returning from recv task') |
| 704 | |
| 705 | def igmp_not_recv_task(self, intf, groups, join_state): |
| 706 | log_test.info('Entering igmp not recv task loop') |
| 707 | recv_socket = L2Socket(iface = intf, type = ETH_P_IP) |
| 708 | group_map = {} |
| 709 | for g in groups: |
| 710 | group_map[g] = [0,0] |
| 711 | |
| 712 | log_test.info('Verifying join interface, should not receive any multicast data') |
| 713 | self.NEGATIVE_TRAFFIC_STATUS = 1 |
| 714 | def igmp_recv_cb(pkt): |
| 715 | log_test.info('Multicast packet %s received for left groups %s' %(pkt[IP].dst, groups)) |
| 716 | self.NEGATIVE_TRAFFIC_STATUS = 2 |
| 717 | sniff(prn = igmp_recv_cb, count = 1, lfilter = lambda p: IP in p and p[IP].dst in groups, |
| 718 | timeout = 3, opened_socket = recv_socket) |
| 719 | recv_socket.close() |
| 720 | return self.NEGATIVE_TRAFFIC_STATUS |
| 721 | |
| 722 | def group_latency_check(self, groups): |
| 723 | tasks = [] |
| 724 | self.send_igmp_leave(groups = groups) |
| 725 | join_state = IGMPProxyTestState(groups = groups) |
| 726 | tasks.append(threading.Thread(target=self.igmp_join_task, args = ('veth0', groups, join_state,))) |
| 727 | traffic_state = IGMPProxyTestState(groups = groups) |
| 728 | mcast_traffic = McastTraffic(groups, iface= 'veth2', cb = self.send_mcast_cb, |
| 729 | arg = traffic_state) |
| 730 | mcast_traffic.start() |
| 731 | tasks.append(threading.Thread(target=self.igmp_recv_task, args = ('veth0', groups, join_state))) |
| 732 | for t in tasks: |
| 733 | t.start() |
| 734 | for t in tasks: |
| 735 | t.join() |
| 736 | |
| 737 | mcast_traffic.stop() |
| 738 | self.send_igmp_leave(groups = groups) |
| 739 | return |
| 740 | |
| 741 | @deferred(timeout=IGMP_QUERY_TIMEOUT + 10) |
| 742 | def test_igmpproxy_with_1group_join_latency(self): |
| 743 | groups = ['239.0.1.1'] |
| 744 | df = defer.Deferred() |
| 745 | def igmp_1group_join_latency(): |
| 746 | self.group_latency_check(groups) |
| 747 | df.callback(0) |
| 748 | reactor.callLater(0, igmp_1group_join_latency) |
| 749 | return df |
| 750 | |
| 751 | @deferred(timeout=IGMP_QUERY_TIMEOUT + 10) |
| 752 | def test_igmpproxy_with_2group_join_latency(self): |
| 753 | groups = [self.MGROUP1, self.MGROUP1] |
| 754 | df = defer.Deferred() |
| 755 | def igmp_2group_join_latency(): |
| 756 | self.group_latency_check(groups) |
| 757 | df.callback(0) |
| 758 | reactor.callLater(0, igmp_2group_join_latency) |
| 759 | return df |
| 760 | |
| 761 | @deferred(timeout=IGMP_QUERY_TIMEOUT + 10) |
| 762 | def test_igmpproxy_with_Ngroup_join_latency(self): |
| 763 | groups = ['239.0.1.1', '240.0.1.1', '241.0.1.1', '242.0.1.1'] |
| 764 | df = defer.Deferred() |
| 765 | def igmp_Ngroup_join_latency(): |
| 766 | self.group_latency_check(groups) |
| 767 | df.callback(0) |
| 768 | reactor.callLater(0, igmp_Ngroup_join_latency) |
| 769 | return df |
| 770 | |
| 771 | def test_igmpproxy_with_join_rover_all(self): |
| 772 | s = (224 << 24) | 1 |
| 773 | #e = (225 << 24) | (255 << 16) | (255 << 16) | 255 |
| 774 | e = (224 << 24) | 10 |
| 775 | for i in xrange(s, e+1): |
| 776 | if i&0xff: |
| 777 | ip = '%d.%d.%d.%d'%((i>>24)&0xff, (i>>16)&0xff, (i>>8)&0xff, i&0xff) |
| 778 | self.send_igmp_join([ip], delay = 0) |
| 779 | |
| 780 | @deferred(timeout=ROVER_TEST_TIMEOUT) |
| 781 | def test_igmpproxy_with_join_rover(self): |
| 782 | df = defer.Deferred() |
| 783 | iface = self.get_igmp_intf() |
| 784 | self.df = df |
| 785 | self.count = 0 |
| 786 | self.timeout = 0 |
| 787 | self.complete = False |
| 788 | def igmp_join_timer(): |
| 789 | self.timeout += self.ROVER_JOIN_TIMEOUT |
| 790 | log_test.info('IGMP joins sent: %d' %self.count) |
| 791 | if self.timeout >= self.ROVER_TIMEOUT: |
| 792 | self.complete = True |
| 793 | reactor.callLater(self.ROVER_JOIN_TIMEOUT, igmp_join_timer) |
| 794 | |
| 795 | reactor.callLater(self.ROVER_JOIN_TIMEOUT, igmp_join_timer) |
| 796 | self.start_channel = (224 << 24) | 1 |
| 797 | self.end_channel = (224 << 24) | 200 #(225 << 24) | (255 << 16) | (255 << 16) | 255 |
| 798 | self.current_channel = self.start_channel |
| 799 | def igmp_join_rover(self): |
| 800 | #e = (224 << 24) | 10 |
| 801 | chan = self.current_channel |
| 802 | self.current_channel += 1 |
| 803 | if self.current_channel >= self.end_channel: |
| 804 | chan = self.current_channel = self.start_channel |
| 805 | if chan&0xff: |
| 806 | ip = '%d.%d.%d.%d'%((chan>>24)&0xff, (chan>>16)&0xff, (chan>>8)&0xff, chan&0xff) |
| 807 | self.send_igmp_join([ip], delay = 0, ssm_load = False, iface = iface) |
| 808 | self.count += 1 |
| 809 | if self.complete == True: |
| 810 | log_test.info('%d IGMP joins sent in %d seconds over %s' %(self.count, self.timeout, iface)) |
| 811 | self.df.callback(0) |
| 812 | else: |
| 813 | reactor.callLater(0, igmp_join_rover, self) |
| 814 | reactor.callLater(0, igmp_join_rover, self) |
| 815 | return df |
| 816 | |
| 817 | @deferred(timeout=IGMP_QUERY_TIMEOUT + 10) |
| 818 | def test_igmpproxy_with_query(self): |
| 819 | groups = ['224.0.0.1'] ##igmp query group |
| 820 | self.onos_ssm_table_load(groups) |
| 821 | df = defer.Deferred() |
| 822 | self.df = df |
| 823 | self.recv_socket = L2Socket(iface = 'veth0', type = ETH_P_IP) |
| 824 | |
| 825 | def igmp_query_timeout(): |
| 826 | def igmp_query_cb(pkt): |
| 827 | log_test.info('received igmp query packet is %s'%pkt.show()) |
| 828 | log_test.info('Got IGMP query packet from %s for %s' %(pkt[IP].src, pkt[IP].dst)) |
| 829 | assert_equal(pkt[IP].dst, '224.0.0.1') |
| 830 | sniff(prn = igmp_query_cb, count=1, lfilter = lambda p: IP in p and p[IP].dst in groups, |
| 831 | opened_socket = self.recv_socket) |
| 832 | self.recv_socket.close() |
| 833 | self.df.callback(0) |
| 834 | |
| 835 | #self.send_igmp_join(groups) |
| 836 | self.test_timer = reactor.callLater(self.IGMP_QUERY_TIMEOUT, igmp_query_timeout) |
| 837 | return df |