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# Copyright 2017-present Open Networking Foundation
#
# 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.
#
# 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 AeY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import unittest
from nose.tools import *
from nose.twistedtools import reactor, deferred
from twisted.internet import defer
import time
import os, sys
from DHCP import DHCPTest
from CordTestUtils import get_mac, log_test
from OnosCtrl import OnosCtrl
from OltConfig import OltConfig
from CordTestServer import cord_test_onos_restart
from CordTestConfig import setup_module, teardown_module
from CordLogger import CordLogger
from portmaps import g_subscriber_port_map
from CordContainer import Onos
from VolthaCtrl import VolthaCtrl
import threading, random
from threading import current_thread
log_test.setLevel('INFO')
class dhcpl2relay_exchange(CordLogger):
VOLTHA_HOST = None
VOLTHA_REST_PORT = VolthaCtrl.REST_PORT
VOLTHA_ENABLED = bool(int(os.getenv('VOLTHA_ENABLED', 0)))
VOLTHA_OLT_TYPE = 'simulated_olt'
VOLTHA_OLT_MAC = '00:0c:e2:31:12:00'
VOLTHA_UPLINK_VLAN_MAP = { 'of:0000000000000001' : '222' }
app = 'org.opencord.dhcpl2relay'
sadis_app = 'org.opencord.sadis'
app_dhcp = 'org.onosproject.dhcp'
relay_interfaces_last = ()
interface_to_mac_map = {}
host_ip_map = {}
test_path = os.path.dirname(os.path.realpath(__file__))
dhcp_data_dir = os.path.join(test_path, '..', 'setup')
dhcpl2_app_file = os.path.join(test_path, '..', 'apps/dhcpl2relay-1.0.0.oar')
sadis_app_file = os.path.join(test_path, '..', 'apps/sadis-app-1.0.0-SNAPSHOT.oar')
olt_conf_file = os.getenv('OLT_CONFIG_FILE', os.path.join(test_path, '..', 'setup/olt_config_voltha_local.json'))
default_config = { 'default-lease-time' : 600, 'max-lease-time' : 7200, }
default_options = [ ('subnet-mask', '255.255.255.0'),
('broadcast-address', '192.168.1.255'),
('domain-name-servers', '192.168.1.1'),
('domain-name', '"mydomain.cord-tester"'),
]
default_subnet_config = [ ('192.168.1.2',
'''
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.10 192.168.1.100;
}
'''), ]
lock = threading.Condition()
ip_count = 0
failure_count = 0
start_time = 0
diff = 0
transaction_count = 0
transactions = 0
running_time = 0
total_success = 0
total_failure = 0
#just in case we want to reset ONOS to default network cfg after relay tests
onos_restartable = bool(int(os.getenv('ONOS_RESTART', 0)))
configs = {}
@classmethod
def update_apps_version(cls):
version = Onos.getVersion()
major = int(version.split('.')[0])
minor = int(version.split('.')[1])
dhcpl2_app_version = '1.0.0'
sadis_app_version = '1.0.0-SNAPSHOT'
# sadis-app-1.0.0-SNAPSHOT.oar
# if major > 1:
# cordigmp_app_version = '3.0-SNAPSHOT'
# olt_app_version = '2.0-SNAPSHOT'
# elif major == 1:
# if minor > 10:
# cordigmp_app_version = '3.0-SNAPSHOT'
# olt_app_version = '2.0-SNAPSHOT'
# elif minor <= 8:
# olt_app_version = '1.1-SNAPSHOT'
cls.dhcpl2_app_file = os.path.join(cls.test_path, '..', 'apps/dhcpl2relay-{}.oar'.format(dhcpl2_app_version))
cls.sadis_app_file = os.path.join(cls.test_path, '..', 'apps/sadis-app-{}.oar'.format(sadis_app_version))
@classmethod
def setUpClass(cls):
''' Activate the cord dhcpl2relay app'''
cls.update_apps_version()
OnosCtrl(cls.app_dhcp).deactivate()
time.sleep(3)
cls.onos_ctrl = OnosCtrl(cls.app)
status, _ = cls.onos_ctrl.activate()
#assert_equal(status, True)
time.sleep(3)
cls.onos_ctrl = OnosCtrl(cls.sadis_app)
status, _ = cls.onos_ctrl.activate()
#assert_equal(status, True)
time.sleep(3)
cls.dhcp_l2_relay_setup()
cls.cord_sadis_load()
cls.cord_l2_relay_load()
##start dhcpd initially with default config
#cls.dhcpd_start()
def setUp(self):
super(dhcpl2relay_exchange, self).setUp()
def tearDown(self):
super(dhcpl2relay_exchange, self).tearDown()
OnosCtrl.uninstall_app(self.dhcpl2_app_file)
OnosCtrl.uninstall_app(self.sadis_app_file)
@classmethod
def tearDownClass(cls):
'''Deactivate the cord dhcpl2relay app'''
#try:
# os.unlink('{}/dhcpd.conf'.format(cls.dhcp_data_dir))
# os.unlink('{}/dhcpd.leases'.format(cls.dhcp_data_dir))
#except: pass
OnosCtrl.uninstall_app(cls.dhcpl2_app_file)
OnosCtrl.uninstall_app(cls.sadis_app_file)
cls.onos_ctrl.deactivate()
OnosCtrl(cls.app).deactivate()
#cls.dhcpd_stop()
#cls.dhcp_l2_relay_cleanup()
@classmethod
def dhcp_l2_relay_setup(cls):
did = OnosCtrl.get_device_id()
#cls.relay_device_id = did
### Have to change hard coded value in relay device variable on later merges
cls.relay_device_id = 'of:000012b722fd4948'
cls.olt = OltConfig(olt_conf_file = cls.olt_conf_file)
cls.port_map, _ = cls.olt.olt_port_map()
if cls.port_map:
##Per subscriber, we use 1 relay port
try:
relay_port = cls.port_map[cls.port_map['relay_ports'][0]]
except:
relay_port = cls.port_map['uplink']
cls.relay_interface_port = relay_port
cls.relay_interfaces = (cls.port_map[cls.relay_interface_port],)
else:
cls.relay_interface_port = 100
cls.relay_interfaces = (g_subscriber_port_map[cls.relay_interface_port],)
cls.relay_interfaces_last = cls.relay_interfaces
if cls.port_map:
##generate a ip/mac client virtual interface config for onos
interface_list = []
for port in cls.port_map['ports']:
port_num = cls.port_map[port]
if port_num == cls.port_map['uplink']:
continue
ip = cls.get_host_ip(port_num)
mac = cls.get_mac(port)
interface_list.append((port_num, ip, mac))
#configure dhcp server virtual interface on the same subnet as first client interface
relay_ip = cls.get_host_ip(interface_list[0][0])
relay_mac = cls.get_mac(cls.port_map[cls.relay_interface_port])
interface_list.append((cls.relay_interface_port, relay_ip, relay_mac))
#cls.onos_interface_load(interface_list)
@classmethod
def dhcp_l2_relay_cleanup(cls):
##reset the ONOS port configuration back to default
for config in cls.configs.items():
OnosCtrl.delete(config)
# if cls.onos_restartable is True:
# log_test.info('Cleaning up dhcp relay config by restarting ONOS with default network cfg')
# return cord_test_onos_restart(config = {})
@classmethod
def onos_load_config(cls, 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(3)
@classmethod
def onos_interface_load(cls, interface_list):
interface_dict = { 'ports': {} }
for port_num, ip, mac in interface_list:
port_map = interface_dict['ports']
port = '{}/{}'.format(cls.relay_device_id, port_num)
port_map[port] = { 'interfaces': [] }
interface_list = port_map[port]['interfaces']
interface_map = { 'ips' : [ '{}/{}'.format(ip, 24) ],
'mac' : mac,
'name': 'vir-{}'.format(port_num)
}
interface_list.append(interface_map)
cls.onos_load_config(interface_dict)
cls.configs['interface_config'] = interface_dict
@classmethod
def cord_l2_relay_load(cls):
OnosCtrl.uninstall_app(cls.dhcpl2_app_file)
#relay_device_map = '{}/{}'.format(cls.relay_device_id, cls.relay_interface_port)
relay_device_map = "{}/12".format(cls.relay_device_id)
print relay_device_map
dhcp_dict = { "apps" : { "org.opencord.dhcpl2relay" : {"dhcpl2relay" :
{"dhcpserverConnectPoint":[relay_device_map]}
}
}
}
print "---------------------------------------------"
print dhcp_dict
print "---------------------------------------------"
OnosCtrl.uninstall_app(cls.dhcpl2_app_file)
OnosCtrl.install_app(cls.dhcpl2_app_file)
cls.onos_load_config(dhcp_dict)
cls.configs['relay_config'] = dhcp_dict
@classmethod
def cord_sadis_load(cls):
relay_device_id = '{}'.format(cls.relay_device_id)
sadis_dict = { "apps": {
"org.opencord.sadis": {
"sadis": {
"integration": {
"cache": {
"enabled": "true",
"maxsize": 50,
"ttl": "PT1m"
}
},
"entries": [{
"id": "uni-254",
"cTag": 202,
"sTag": 222,
"nasPortId": "uni-254"
},
{
"id": "67cc7ae085204e3091493db645e8ae63",
"hardwareIdentifier": "00:0c:e2:31:05:00",
"ipAddress": "172.17.0.1",
"nasId": "B100-NASID"
}
]
}
}
}
}
OnosCtrl.uninstall_app(cls.sadis_app_file)
OnosCtrl.install_app(cls.sadis_app_file)
cls.onos_load_config(sadis_dict)
cls.configs['relay_config'] = sadis_dict
@classmethod
def get_host_ip(cls, port):
if cls.host_ip_map.has_key(port):
return cls.host_ip_map[port]
cls.host_ip_map[port] = '192.168.100.{}'.format(port)
return cls.host_ip_map[port]
@classmethod
def host_load(cls, iface):
'''Have ONOS discover the hosts for dhcp-relay responses'''
port = g_subscriber_port_map[iface]
host = '173.17.1.{}'.format(port)
cmds = ( 'ifconfig {} 0'.format(iface),
'ifconfig {0} {1}'.format(iface, host),
'arping -I {0} {1} -c 2'.format(iface, host),
'ifconfig {} 0'.format(iface), )
for c in cmds:
os.system(c)
@classmethod
def get_mac(cls, iface):
if cls.interface_to_mac_map.has_key(iface):
return cls.interface_to_mac_map[iface]
mac = get_mac(iface, pad = 0)
cls.interface_to_mac_map[iface] = mac
return mac
def dhcpl2relay_stats_calc(self, success_rate = False, only_discover = False, iface = 'veth0'):
self.ip_count = 0
self.failure_count = 0
self.start_time = 0
self.diff = 0
self.transaction_count = 0
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '182.17.0.1', iface = iface)
self.start_time = time.time()
while self.diff <= 60:
if only_discover:
cip, sip, mac, _ = self.dhcp.only_discover(multiple = True)
log_test.info('Got dhcp client IP %s from server %s for mac %s' %
(cip, sip, mac))
else:
cip, sip = self.send_recv(mac=mac, update_seed = True, validate = False)
if cip:
self.ip_count +=1
elif cip == None:
self.failure_count += 1
log_test.info('Failed to get ip')
if success_rate and self.ip_count > 0:
break
self.diff = round(time.time() - self.start_time, 0)
self.transaction_count = round((self.ip_count+self.failure_count)/self.diff, 2)
self.transactions += (self.ip_count+self.failure_count)
self.running_time += self.diff
self.total_success += self.ip_count
self.total_failure += self.failure_count
def send_recv(self, mac=None, update_seed = False, validate = True):
cip, sip = self.dhcp.discover(mac = mac, update_seed = update_seed)
if validate:
assert_not_equal(cip, None)
assert_not_equal(sip, None)
log_test.info('Got dhcp client IP %s from server %s for mac %s' %
(cip, sip, self.dhcp.get_mac(cip)[0]))
return cip,sip
def test_dhcpl2relay_with_one_request(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
self.send_recv(mac=mac)
def test_dhcpl2relay_app_install(self):
pass
def test_dhcpl2relay_netcfg(self):
pass
def test_dhcpl2relay_with_array_of_connect_points_for_dhcp_server(self):
pass
def test_dhcpl2relay_with_subscriber_configured_with_ctag_stag_as_per_sadis(self):
pass
def test_dhcpl2relay_app_activation_and_deactivation_multiple_times(self):
pass
def test_dhcpl2relay_without_sadis_app(self):
pass
def test_dhcpl2relay_with_sadis_app(self):
pass
def test_dhcpl2relay_with_option_82(self):
pass
def test_dhcpl2relay_without_option_82(self):
pass
def test_dhcl2relay_for_option82_without_configuring_dhcpserver_to_accept_option82(self):
pass
def test_dhcpl2relay_with_uni_port_entry_sadis_config(self):
pass
def test_dhcpl2relay_with_wrong_ctag_options(self):
pass
def test_dhcpl2relay_with_wrong_stag_options(self):
pass
def test_dhcpl2relay_with_nasportid_option_in_sadis(self):
pass
def test_dhcpl2relay_with_nasportid_different_from_id(self):
pass
def test_dhcpl2relay_with_serial_id_of_olt(self):
pass
def test_dhcpl2relay_with_wrong_serial_id_of_olt(self):
pass
def test_dhcpl2relay_for_one_request_with_invalid_source_mac_broadcast(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(mac='ff:ff:ff:ff:ff:ff')
assert_equal(cip,None)
log_test.info('Dhcp server rejected client discover with invalid source mac, as expected')
def test_dhcpl2relay_for_one_request_with_invalid_source_mac_multicast(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(mac='01:80:c2:01:98:05')
assert_equal(cip,None)
log_test.info('Dhcp server rejected client discover with invalid source mac, as expected')
def test_dhcpl2relay_for_one_request_with_invalid_source_mac_zero(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(mac='00:00:00:00:00:00')
assert_equal(cip,None)
log_test.info('dhcp server rejected client discover with invalid source mac, as expected')
def test_dhcpl2relay_with_N_requests(self, iface = 'veth0',requests=10):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '192.169.100.1', iface = iface)
ip_map = {}
for i in range(requests):
#mac = RandMAC()._fix()
#log_test.info('mac is %s'%mac)
cip, sip = self.send_recv(update_seed = True)
if ip_map.has_key(cip):
log_test.info('IP %s given out multiple times' %cip)
assert_equal(False, ip_map.has_key(cip))
ip_map[cip] = sip
time.sleep(1)
def test_dhcpl2relay_with_one_release(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.100.10', iface = iface)
cip, sip = self.send_recv(mac=mac)
log_test.info('Releasing ip %s to server %s' %(cip, sip))
assert_equal(self.dhcp.release(cip), True)
log_test.info('Triggering DHCP discover again after release')
cip2, sip2 = self.send_recv(mac=mac)
log_test.info('Verifying released IP was given back on rediscover')
assert_equal(cip, cip2)
log_test.info('Test done. Releasing ip %s to server %s' %(cip2, sip2))
assert_equal(self.dhcp.release(cip2), True)
def test_dhcpl2relay_with_Nreleases(self, iface = 'veth0'):
mac = None
self.dhcp = DHCPTest(seed_ip = '192.170.1.10', iface = iface)
ip_map = {}
for i in range(10):
cip, sip = self.send_recv(mac=mac, update_seed = True)
if ip_map.has_key(cip):
log_test.info('IP %s given out multiple times' %cip)
assert_equal(False, ip_map.has_key(cip))
ip_map[cip] = sip
for ip in ip_map.keys():
log_test.info('Releasing IP %s' %ip)
assert_equal(self.dhcp.release(ip), True)
ip_map2 = {}
log_test.info('Triggering DHCP discover again after release')
self.dhcp = DHCPTest(seed_ip = '192.170.1.10', iface = iface)
for i in range(len(ip_map.keys())):
cip, sip = self.send_recv(mac=mac, update_seed = True)
ip_map2[cip] = sip
log_test.info('Verifying released IPs were given back on rediscover')
if ip_map != ip_map2:
log_test.info('Map before release %s' %ip_map)
log_test.info('Map after release %s' %ip_map2)
assert_equal(ip_map, ip_map2)
def test_dhcpl2relay_starvation(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '182.17.0.1', iface = iface)
log_test.info('Verifying 1 ')
count = 0
while True:
#mac = RandMAC()._fix()
cip, sip = self.send_recv(update_seed = True,validate = False)
if cip is None:
break
else:
count += 1
assert_equal(count,91)
log_test.info('Verifying 2 ')
cip, sip = self.send_recv(mac=mac, update_seed = True, validate = False)
assert_equal(cip, None)
assert_equal(sip, None)
def test_dhcpl2relay_with_same_client_and_multiple_discovers(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s . Not going to send DHCPREQUEST.' %
(cip, sip, mac) )
assert_not_equal(cip, None)
log_test.info('Triggering DHCP discover again.')
new_cip, new_sip, new_mac, _ = self.dhcp.only_discover()
assert_equal(new_cip, cip)
log_test.info('got same ip to smae the client when sent discover again, as expected')
def test_dhcpl2relay_with_same_client_and_multiple_requests(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
log_test.info('Sending DHCP discover and DHCP request.')
cip, sip = self.send_recv(mac=mac)
mac = self.dhcp.get_mac(cip)[0]
log_test.info("Sending DHCP request again.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info('got same ip to smae the client when sent request again, as expected')
def test_dhcpl2relay_with_clients_desired_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '192.168.1.31', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(desired = True)
assert_equal(cip,self.dhcp.seed_ip)
log_test.info('Got dhcp client desired IP %s from server %s for mac %s as expected' %
(cip, sip, mac) )
def test_dhcpl2relay_with_clients_desired_address_in_out_of_pool(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.35', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(desired = True)
assert_not_equal(cip,None)
assert_not_equal(cip,self.dhcp.seed_ip)
log_test.info('server offered IP from its pool when requested out of pool IP, as expected')
def test_dhcpl2relay_nak_packet(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip, None)
new_cip, new_sip = self.dhcp.only_request('20.20.20.31', mac)
assert_equal(new_cip, None)
log_test.info('server sent NAK packet when requested other IP than that server offered')
def test_dhcpl2relay_with_client_requests_with_specific_lease_time_in_discover_message(self, iface = 'veth0',lease_time=700):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.70', iface = iface)
self.dhcp.return_option = 'lease'
cip, sip, mac, lval = self.dhcp.only_discover(lease_time=True,lease_value=lease_time)
assert_equal(lval, lease_time)
log_test.info('dhcp server offered IP address with client requested lease time')
def test_dhcpl2relay_with_client_request_after_reboot(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip, None)
new_cip, new_sip = self.dhcp.only_request(cip, mac)
log_test.info('client rebooting...')
os.system('ifconfig '+iface+' down')
time.sleep(5)
os.system('ifconfig '+iface+' up')
new_cip2, new_sip = self.dhcp.only_request(cip, mac, cl_reboot = True)
assert_equal(new_cip2, cip)
log_test.info('client got same IP after reboot, as expected')
def test_dhcpl2relay_after_server_reboot(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip, None)
new_cip, new_sip = self.dhcp.only_request(cip, mac)
log_test.info('server rebooting...')
self.tearDownClass()
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip,None)
self.setUpClass()
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info('client got same IP after server rebooted, as expected')
def test_dhcpl2relay_specific_lease_time_only_in_discover_but_not_in_request_packet(self, iface = 'veth0',lease_time=700):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
self.dhcp.return_option = 'lease'
log_test.info('Sending DHCP discover with lease time of 700')
cip, sip, mac, lval = self.dhcp.only_discover(lease_time = True, lease_value=lease_time)
assert_equal(lval,lease_time)
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, lease_time = True)
assert_equal(new_cip,cip)
assert_not_equal(lval, lease_time) #Negative Test Case
log_test.info('client requested lease time in discover packer is not seen in server ACK packet as expected')
def test_dhcpl2relay_specific_lease_time_only_in_request_but_not_in_discover_packet(self, iface = 'veth0',lease_time=800):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, lease_time = True,lease_value=lease_time)
assert_equal(new_cip,cip)
assert_equal(lval, lease_time)
log_test.info('client requested lease time in request packet seen in servre replied ACK packet as expected')
def test_dhcpl2relay_with_client_renew_time(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, renew_time = True)
log_test.info('waiting for renew time..')
time.sleep(lval)
latest_cip, latest_sip = self.dhcp.only_request(new_cip, mac, unicast = True)
assert_equal(latest_cip, cip)
log_test.info('server renewed client IP when client sends request after renew time, as expected')
def test_dhcpl2relay_with_client_rebind_time(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, rebind_time = True)
log_test.info('waiting for rebind time..')
time.sleep(lval)
latest_cip, latest_sip = self.dhcp.only_request(new_cip, mac)
assert_equal(latest_cip, cip)
log_test.info('server renewed client IP when client sends request after rebind time, as expected')
def test_dhcpl2relay_with_client_expected_subnet_mask(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
expected_subnet = '255.255.255.0'
self.dhcp.return_option = 'subnet'
cip, sip, mac, subnet_mask = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_equal(subnet_mask,expected_subnet)
log_test.info('subnet mask in server offer packet is same as configured subnet mask in dhcp server')
def test_dhcpl2relay_with_client_sending_dhcp_request_with_wrong_subnet_mask(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
self.dhcp.send_different_option = 'subnet'
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info("Got DHCP Ack despite of specifying wrong Subnet Mask in DHCP Request.")
def test_dhcpl2relay_with_client_expected_router_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
expected_router_address = '20.20.20.1'
self.dhcp.return_option = 'router'
cip, sip, mac, router_address_value = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_equal(expected_router_address, router_address_value)
log_test.info('router address in server offer packet is same as configured router address in dhcp server')
def test_dhcpl2relay_with_client_sends_dhcp_request_with_wrong_router_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
self.dhcp.send_different_option = 'router'
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info("Got DHCP Ack despite of specifying wrong Router Address in DHCP Request.")
def test_dhcpl2relay_with_client_expecting_broadcast_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
expected_broadcast_address = '192.168.1.255'
self.dhcp.return_option = 'broadcast_address'
cip, sip, mac, broadcast_address_value = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_equal(expected_broadcast_address, broadcast_address_value)
log_test.info('broadcast address in server offer packet is same as configured broadcast address in dhcp server')
def test_dhcpl2relay_with_client_sends_dhcp_request_with_wrong_broadcast_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
self.dhcp.send_different_option = 'broadcast_address'
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info("Got DHCP Ack despite of specifying wrong Broadcast Address in DHCP Request.")
def test_dhcpl2relay_with_client_expecting_dns_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
expected_dns_address = '192.168.1.1'
self.dhcp.return_option = 'dns'
cip, sip, mac, dns_address_value = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_equal(expected_dns_address, dns_address_value)
log_test.info('dns address in server offer packet is same as configured dns address in dhcp server')
def test_dhcpl2relay_with_client_sends_request_with_wrong_dns_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
assert_not_equal(cip,None)
self.dhcp.send_different_option = 'dns'
new_cip, new_sip = self.dhcp.only_request(cip, mac)
assert_equal(new_cip, cip)
log_test.info("Got DHCP Ack despite of specifying wrong DNS Address in DHCP Request.")
def test_dhcpl2relay_transactions_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.dhcpl2relay_stats_calc()
log_test.info("Statistics for run %d",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions No. of successes No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions per second in run %d:%f" %(i, self.transaction_count))
log_test.info("Final Statistics for total transactions")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of transactions per second: %d", round(self.transactions/self.running_time,0))
def test_dhcpl2relay_consecutive_successes_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.dhcpl2relay_stats_calc(success_rate = True)
log_test.info("Statistics for run %d",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of consecutive successful transactions Running Time ")
log_test.info(" %d %d " %(self.ip_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of successful transactions per second in run %d:%f" %(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total successful transactions")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of consecutive successes Running Time ")
log_test.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of consecutive successful transactions per second: %d", round(self.total_success/self.running_time,0))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_with_max_clients_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.dhcpl2relay_stats_calc(only_discover = True)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Statistics for run %d of sending only DHCP Discover",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions No. of successes No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of clients per second in run %d:%f "
%(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total transactions of sending only DHCP Discover")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of clients per second: %d ",
round(self.transactions/self.running_time,0))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_consecutive_successful_clients_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.dhcpl2relay_stats_calc(success_rate = True, only_discover = True)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Statistics for run %d for sending only DHCP Discover",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of consecutive successful transactions Running Time ")
log_test.info(" %d %d " %(self.ip_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of consecutive successful clients per second in run %d:%f" %(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total successful transactions")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of consecutive successes Running Time ")
log_test.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of consecutive successful clients per second: %d", round(self.total_success/self.running_time,0))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_concurrent_transactions_per_second(self, iface = 'veth0'):
for key in (key for key in g_subscriber_port_map if key < 100):
self.host_load(g_subscriber_port_map[key])
def thread_fun(i):
mac = self.get_mac('veth{}'.format(i))
cip, sip = DHCPTest(iface = 'veth{}'.format(i)).discover(mac = mac)
log_test.info('Got dhcp client IP %s from server %s for mac %s'%(cip, sip, mac))
self.lock.acquire()
if cip:
self.ip_count += 1
elif cip is None:
self.failure_count += 1
self.lock.notify_all()
self.lock.release()
for i in range (1,4):
self.ip_count = 0
self.failure_count = 0
self.start_time = 0
self.diff = 0
self.transaction_count = 0
self.start_time = time.time()
while self.diff <= 60:
t = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(0, random.randrange(1,40,1), 1)})
t1 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(42, random.randrange(43,80,1), 1)})
t2 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(82, random.randrange(83,120,1), 1)})
t3 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(122, random.randrange(123,160,1), 1)})
t4 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(162, random.randrange(163,180,1), 1)})
t5 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(182, random.randrange(183,196,1), 1)})
t.start()
t1.start()
t2.start()
t3.start()
t4.start()
t5.start()
t.join()
t1.join()
t2.join()
t3.join()
t4.join()
t5.join()
self.diff = round(time.time() - self.start_time, 0)
self.transaction_count = round((self.ip_count+self.failure_count)/self.diff, 2)
self.transactions += (self.ip_count+self.failure_count)
self.running_time += self.diff
self.total_success += self.ip_count
self.total_failure += self.failure_count
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Statistics for run %d",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions No. of successes No. of failures Running Time ")
log_test.info(" %d %d %d %d"
%(self.ip_count+self.failure_count,self.ip_count, self.failure_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions per second in run %d:%f" %(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total transactions")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of transactions per second: %d", round(self.transactions/self.running_time,0))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_concurrent_consecutive_successes_per_second(self, iface = 'veth0'):
failure_dir = {}
for key in (key for key in g_subscriber_port_map if key != 100):
self.host_load(g_subscriber_port_map[key])
def thread_fun(i, j):
# log_test.info("Thread Name:%s",current_thread().name)
# failure_dir[current_thread().name] = True
while failure_dir.has_key(current_thread().name) is False:
mac = RandMAC()._fix()
cip, sip = DHCPTest(iface = 'veth{}'.format(i)).discover(mac = mac)
i += 2
log_test.info('Got dhcp client IP %s from server %s for mac %s'%(cip, sip, mac))
self.lock.acquire()
if cip:
self.ip_count += 1
self.lock.notify_all()
self.lock.release()
elif cip is None:
self.failure_count += 1
failure_dir[current_thread().name] = True
self.lock.notify_all()
self.lock.release()
break
# self.lock.notify_all()
# self.lock.release()
for i in range (1,4):
failure_dir = {}
self.ip_count = 0
self.failure_count = 0
self.start_time = 0
self.diff = 0
self.transaction_count = 0
self.start_time = time.time()
while len(failure_dir) != 6:
t = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t1 = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t2 = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t3 = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t4 = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t5 = threading.Thread(target = thread_fun, kwargs = {'i': 0, 'j': 2})
t.start()
t1.start()
t2.start()
t3.start()
t4.start()
t5.start()
t.join()
t1.join()
t2.join()
t3.join()
t4.join()
t5.join()
self.diff = round(time.time() - self.start_time, 0)
self.transaction_count = round((self.ip_count)/self.diff, 2)
self.transactions += (self.ip_count+self.failure_count)
self.running_time += self.diff
self.total_success += self.ip_count
self.total_failure += self.failure_count
log_test.info("Statistics for run %d",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of consecutive successful transactions Running Time ")
log_test.info(" %d %d " %(self.ip_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of successful transactions per second in run %d:%f" %(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total successful transactions")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of consecutive successes Running Time ")
log_test.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of consecutive successful transactions per second: %d", round(self.total_success/self.running_time,2))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_for_concurrent_clients_per_second(self, iface = 'veth0'):
for key in (key for key in g_subscriber_port_map if key < 100):
self.host_load(g_subscriber_port_map[key])
def thread_fun(i):
# mac = self.get_mac('veth{}'.format(i))
cip, sip, mac, _ = DHCPTest(iface = 'veth{}'.format(i)).only_discover(mac = RandMAC()._fix())
log_test.info('Got dhcp client IP %s from server %s for mac %s'%(cip, sip, mac))
self.lock.acquire()
if cip:
self.ip_count += 1
elif cip is None:
self.failure_count += 1
self.lock.notify_all()
self.lock.release()
for i in range (1,4):
self.ip_count = 0
self.failure_count = 0
self.start_time = 0
self.diff = 0
self.transaction_count = 0
self.start_time = time.time()
while self.diff <= 60:
t = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(0, random.randrange(1,40,1), 1)})
t1 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(42, random.randrange(43,80,1), 1)})
t2 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(82, random.randrange(83,120,1), 1)})
t3 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(122, random.randrange(123,160,1), 1)})
t4 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(162, random.randrange(163,180,1), 1)})
t5 = threading.Thread(target = thread_fun, kwargs = {'i': random.randrange(182, random.randrange(183,196,1), 1)})
t.start()
t1.start()
t2.start()
t3.start()
t4.start()
t5.start()
t.join()
t1.join()
t2.join()
t3.join()
t4.join()
t5.join()
self.diff = round(time.time() - self.start_time, 0)
self.transaction_count = round((self.ip_count+self.failure_count)/self.diff, 2)
self.transactions += (self.ip_count+self.failure_count)
self.running_time += self.diff
self.total_success += self.ip_count
self.total_failure += self.failure_count
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Statistics for run %d of sending only DHCP Discover",i)
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of transactions No. of successes No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("No. of clients per second in run %d:%f "
%(i, self.transaction_count))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Final Statistics for total transactions of sending only DHCP Discover")
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log_test.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log_test.info("----------------------------------------------------------------------------------")
log_test.info("Average no. of clients per second: %d ",
round(self.transactions/self.running_time,0))
log_test.info("----------------------------------------------------------------------------------")
def test_dhcpl2relay_with_client_conflict(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log_test.info('Got dhcp client IP %s from server %s for mac %s.' %
(cip, sip, mac) )
self.dhcp1 = DHCPTest(seed_ip = cip, iface = iface)
new_cip, new_sip, new_mac, _ = self.dhcp1.only_discover(desired = True)
new_cip, new_sip = self.dhcp1.only_request(new_cip, new_mac)
log_test.info('Got dhcp client IP %s from server %s for mac %s.' %
(new_cip, new_sip, new_mac) )
log_test.info("IP %s alredy consumed by mac %s." % (new_cip, new_mac))
log_test.info("Now sending DHCP Request for old DHCP discover.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip is None:
log_test.info('Got dhcp client IP %s from server %s for mac %s.Which is expected behavior.'
%(new_cip, new_sip, new_mac) )
elif new_cip:
log_test.info('Got dhcp client IP %s from server %s for mac %s.Which is not expected behavior as IP %s is already consumed.'
%(new_cip, new_sip, new_mac, new_cip) )
assert_equal(new_cip, None)