blob: ea0ff47251f2d48b46cf1cdfcf067f361fc420ac [file] [log] [blame]
#
# 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.
#
import unittest
from nose.tools import *
from nose.twistedtools import reactor, deferred
from twisted.internet import defer
from scapy.all import *
import time
import os, sys
from DHCP import DHCPTest
from OnosCtrl import OnosCtrl, get_mac
from OltConfig import OltConfig
from CordTestServer import cord_test_onos_restart
from CordLogger import CordLogger
from portmaps import g_subscriber_port_map
import threading, random
from threading import current_thread
log.setLevel('INFO')
class dhcprelay_exchange(CordLogger):
app = 'org.onosproject.dhcprelay'
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')
olt_conf_file = os.path.join(test_path, '..', 'setup/olt_config.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"'),
]
##specify the IP for the dhcp interface matching the subnet and subnet config
##this is done for each interface dhcpd server would be listening on
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)))
@classmethod
def setUpClass(cls):
''' Activate the dhcprelay app'''
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.dhcp_relay_setup()
##start dhcpd initially with default config
cls.dhcpd_start()
@classmethod
def tearDownClass(cls):
'''Deactivate the dhcp relay app'''
try:
os.unlink('{}/dhcpd.conf'.format(cls.dhcp_data_dir))
os.unlink('{}/dhcpd.leases'.format(cls.dhcp_data_dir))
except: pass
cls.onos_ctrl.deactivate()
cls.dhcpd_stop()
cls.dhcp_relay_cleanup()
@classmethod
def dhcp_relay_setup(cls):
did = OnosCtrl.get_device_id()
cls.relay_device_id = did
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_relay_cleanup(cls):
##reset the ONOS port configuration back to default
if cls.onos_restartable is True:
log.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.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)
@classmethod
def onos_dhcp_relay_load(cls, server_ip, server_mac):
relay_device_map = '{}/{}'.format(cls.relay_device_id, cls.relay_interface_port)
dhcp_dict = {'apps':{'org.onosproject.dhcp-relay':{'dhcprelay':
{'dhcpserverConnectPoint':relay_device_map,
'serverip':server_ip,
'servermac':server_mac
}
}
}
}
cls.onos_load_config(dhcp_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] = '192.168.1.{}'.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 dhcpd_conf_generate(cls, config = default_config, options = default_options,
subnet = default_subnet_config):
conf = ''
for k, v in config.items():
conf += '{} {};\n'.format(k, v)
opts = ''
for k, v in options:
opts += 'option {} {};\n'.format(k, v)
subnet_config = ''
for _, v in subnet:
subnet_config += '{}\n'.format(v)
return '{}{}{}'.format(conf, opts, subnet_config)
@classmethod
def dhcpd_start(cls, intf_list = None,
config = default_config, options = default_options,
subnet = default_subnet_config):
'''Start the dhcpd server by generating the conf file'''
if intf_list is None:
intf_list = cls.relay_interfaces
##stop dhcpd if already running
cls.dhcpd_stop()
dhcp_conf = cls.dhcpd_conf_generate(config = config, options = options,
subnet = subnet)
##first touch dhcpd.leases if it doesn't exist
lease_file = '{}/dhcpd.leases'.format(cls.dhcp_data_dir)
if os.access(lease_file, os.F_OK) is False:
with open(lease_file, 'w') as fd: pass
conf_file = '{}/dhcpd.conf'.format(cls.dhcp_data_dir)
with open(conf_file, 'w') as fd:
fd.write(dhcp_conf)
#now configure the dhcpd interfaces for various subnets
index = 0
intf_info = []
for ip,_ in subnet:
intf = intf_list[index]
mac = cls.get_mac(intf)
intf_info.append((ip, mac))
index += 1
os.system('ifconfig {} {}'.format(intf, ip))
intf_str = ','.join(intf_list)
dhcpd_cmd = '/usr/sbin/dhcpd -4 --no-pid -cf {0} -lf {1} {2}'.format(conf_file, lease_file, intf_str)
log.info('Starting DHCPD server with command: %s' %dhcpd_cmd)
ret = os.system(dhcpd_cmd)
assert_equal(ret, 0)
time.sleep(3)
cls.relay_interfaces_last = cls.relay_interfaces
cls.relay_interfaces = intf_list
cls.onos_dhcp_relay_load(*intf_info[0])
@classmethod
def dhcpd_stop(cls):
os.system('pkill -9 dhcpd')
for intf in cls.relay_interfaces:
os.system('ifconfig {} 0'.format(intf))
cls.relay_interfaces = cls.relay_interfaces_last
@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 stats(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.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.info('Got dhcp client IP %s from server %s for mac %s' %
(cip, sip, mac))
else:
cip, sip = self.send_recv(mac, update_seed = True, validate = False)
if cip:
self.ip_count +=1
elif cip == None:
self.failure_count += 1
log.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, 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.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_dhcpRelay_1request(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
self.send_recv(mac)
def test_dhcpRelay_Nrequest(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '192.169.1.1', iface = iface)
ip_map = {}
for i in range(10):
mac = RandMAC()._fix()
cip, sip = self.send_recv(mac, update_seed = True)
if ip_map.has_key(cip):
log.info('IP %s given out multiple times' %cip)
assert_equal(False, ip_map.has_key(cip))
ip_map[cip] = sip
def test_dhcpRelay_1release(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '10.10.100.10', iface = iface)
cip, sip = self.send_recv(mac)
log.info('Releasing ip %s to server %s' %(cip, sip))
assert_equal(self.dhcp.release(cip), True)
log.info('Triggering DHCP discover again after release')
cip2, sip2 = self.send_recv(mac)
log.info('Verifying released IP was given back on rediscover')
assert_equal(cip, cip2)
log.info('Test done. Releasing ip %s to server %s' %(cip2, sip2))
assert_equal(self.dhcp.release(cip2), True)
def test_dhcpRelay_Nrelease(self, iface = 'veth0'):
mac = None
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '192.170.1.10', iface = iface)
ip_map = {}
for i in range(10):
cip, sip = self.send_recv(mac, update_seed = True)
if ip_map.has_key(cip):
log.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.info('Releasing IP %s' %ip)
assert_equal(self.dhcp.release(ip), True)
ip_map2 = {}
log.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, update_seed = True)
ip_map2[cip] = sip
log.info('Verifying released IPs were given back on rediscover')
if ip_map != ip_map2:
log.info('Map before release %s' %ip_map)
log.info('Map after release %s' %ip_map2)
assert_equal(ip_map, ip_map2)
def test_dhcpRelay_starvation(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '182.17.0.1', iface = iface)
log.info('Verifying 1 ')
while True:
mac = RandMAC()._fix()
cip, sip = self.send_recv(mac = mac, validate = False)
if cip is None:
break
log.info('Verifying 2 ')
cip, sip = self.send_recv(mac, update_seed = True, validate = False)
assert_equal(cip, None)
assert_equal(sip, None)
def test_dhcpRelay_same_client_multiple_discover(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s . Not going to send DHCPREQUEST.' %
(cip, sip, mac) )
log.info('Triggering DHCP discover again.')
new_cip, new_sip, new_mac, _ = self.dhcp.only_discover()
if cip == new_cip:
log.info('Got same ip for 2nd DHCP discover for client IP %s from server %s for mac %s. Triggering DHCP Request. '
% (new_cip, new_sip, new_mac) )
elif cip != new_cip:
log.info('Ip after 1st discover %s' %cip)
log.info('Map after 2nd discover %s' %new_cip)
assert_equal(cip, new_cip)
def test_dhcpRelay_same_client_multiple_request(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
log.info('Sending DHCP discover and DHCP request.')
cip, sip = self.send_recv(mac)
mac = self.dhcp.get_mac(cip)[0]
log.info("Sending DHCP request again.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if (new_cip,new_sip) == (cip,sip):
log.info('Got same ip for 2nd DHCP Request for client IP %s from server %s for mac %s.'
% (new_cip, new_sip, mac) )
elif (new_cip,new_sip):
log.info('No DHCP ACK')
assert_equal(new_cip, None)
assert_equal(new_sip, None)
else:
log.info('Something went wrong.')
def test_dhcpRelay_client_desired_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '192.168.1.31', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(desired = True)
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
if cip == self.dhcp.seed_ip:
log.info('Got dhcp client IP %s from server %s for mac %s as desired .' %
(cip, sip, mac) )
elif cip != self.dhcp.seed_ip:
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info('The desired ip was: %s .' % self.dhcp.seed_ip)
assert_equal(cip, self.dhcp.seed_ip)
def test_dhcpRelay_client_desired_address_out_of_pool(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.35', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover(desired = True)
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
if cip == self.dhcp.seed_ip:
log.info('Got dhcp client IP %s from server %s for mac %s as desired .' %
(cip, sip, mac) )
assert_equal(cip, self.dhcp.seed_ip) #Negative Test Case
elif cip != self.dhcp.seed_ip:
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info('The desired ip was: %s .' % self.dhcp.seed_ip)
assert_not_equal(cip, self.dhcp.seed_ip)
elif cip == None:
log.info('Got DHCP NAK')
def test_dhcpRelay_nak_packet(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
else:
new_cip, new_sip = self.dhcp.only_request('20.20.20.31', mac)
if new_cip == None:
log.info("Got DHCP server NAK.")
assert_equal(new_cip, None) #Negative Test Case
def test_dhcpRelay_specific_lease_packet(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip != None:
self.dhcp.specific_lease = 800
log.info('Sending DHCP request with specific lease time of %s', self.dhcp.specific_lease)
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP server NAK.")
assert_equal(new_cip, None) #Negative Test Case
assert_equal(lval, self.dhcp.specific_lease)
def test_dhcpRelay_client_request_after_reboot(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
else:
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP server NAK.")
os.system('ifconfig '+iface+' down')
log.info('Client goes down.')
log.info('Delay for 5 seconds.')
time.sleep(5)
os.system('ifconfig '+iface+' up')
log.info('Client is up now.')
new_cip, new_sip = self.dhcp.only_request(cip, mac, cl_reboot = True)
if new_cip == None:
log.info("Got DHCP server NAK.")
assert_not_equal(new_cip, None)
elif new_cip != None:
log.info("Got DHCP ACK.")
os.system('ifconfig '+iface+' up')
def test_dhcpRelay_after_reboot(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
else:
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP server NAK.")
assert_not_equal(new_cip, None)
log.info('Getting DHCP server Down.')
self.tearDownClass()
for i in range(0,4):
log.info("Sending DHCP Request.")
log.info('')
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None and new_sip == None:
log.info('')
log.info("DHCP Request timed out.")
elif new_cip and new_sip:
log.info("Got Reply from DHCP server.")
assert_equal(new_cip,None) #Neagtive Test Case
log.info('Getting DHCP server Up.')
self.setUpClass()
for i in range(0,4):
log.info("Sending DHCP Request after DHCP server is up.")
log.info('')
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None and new_sip == None:
log.info('')
log.info("DHCP Request timed out.")
elif new_cip and new_sip:
log.info("Got Reply from DHCP server.")
assert_equal(new_cip, cip)
def test_dhcpRelay_specific_lease_packet_in_dhcp_discover(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
log.info('Sending DHCP discover with lease time of 700')
cip, sip, mac, _ = self.dhcp.only_discover(lease_time = True)
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
log.info("Triggering DHCP Request.")
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, lease_time = True)
log.info('Getting dhcp client IP %s from server %s for mac %s with lease time %s. That is not 700.' %
(new_cip, new_sip, mac, lval) )
assert_not_equal(lval, 700) #Negative Test Case
def test_dhcpRelay_default_lease_time(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
log.info("Triggering DHCP Request.")
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, lease_time = True)
if lval == 600:
log.info('Getting dhcp client IP %s from server %s for mac %s with defualt lease time %s.' %
(new_cip, new_sip, mac, lval) )
else:
log.info('Getting dhcp client IP %s from server %s for mac %s with lease time %s.' %
(new_cip, new_sip, mac, lval) )
log.info('The lease time suppossed to be 600 secs or 10 mins.')
assert_equal(lval, 600)
def test_dhcpRelay_client_renew_time(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
new_options = [('dhcp-renewal-time', 300), ('dhcp-rebinding-time', 525)]
options = self.default_options + new_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
log.info("Triggering DHCP Request.")
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, renew_time = True)
if new_cip and new_sip and lval:
log.info("Clinet 's Renewal time is :%s",lval)
log.info("Generating delay till renewal time.")
time.sleep(lval)
log.info("Client Sending Unicast DHCP request.")
latest_cip, latest_sip = self.dhcp.only_request(new_cip, mac, unicast = True)
if latest_cip and latest_sip:
log.info("Got DHCP Ack. Lease Renewed for ip %s and mac %s from server %s." %
(latest_cip, mac, latest_sip) )
elif latest_cip == None:
log.info("Got DHCP NAK. Lease not renewed.")
elif new_cip == None or new_sip == None or lval == None:
log.info("Got DHCP NAK.")
def test_dhcpRelay_client_rebind_time(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
new_options = [('dhcp-renewal-time', 300), ('dhcp-rebinding-time', 525)]
options = self.default_options + new_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
log.info("Triggering DHCP Request.")
new_cip, new_sip, lval = self.dhcp.only_request(cip, mac, rebind_time = True)
if new_cip and new_sip and lval:
log.info("Clinet 's Rebind time is :%s",lval)
log.info("Generating delay till rebind time.")
time.sleep(lval)
log.info("Client Sending broadcast DHCP requests for renewing lease or for getting new ip.")
for i in range(0,4):
latest_cip, latest_sip = self.dhcp.only_request(new_cip, mac)
if latest_cip and latest_sip:
log.info("Got DHCP Ack. Lease Renewed for ip %s and mac %s from server %s." %
(latest_cip, mac, latest_sip) )
break
elif latest_cip == None:
log.info("Got DHCP NAK. Lease not renewed.")
assert_not_equal(latest_cip, None)
elif new_cip == None or new_sip == None or lval == None:
log.info("Got DHCP NAK.Lease not Renewed.")
def test_dhcpRelay_client_expected_subnet_mask(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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_value = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
if expected_subnet == subnet_value:
log.info("Got same subnet as passed in DHCP server configuration.")
elif expected_subnet != subnet_value:
log.info("Not getting same subnet as passed in DHCP server configuration.")
assert_equal(expected_subnet, subnet_value)
def test_dhcpRelay_client_sends_dhcp_request_with_wrong_subnet_mask(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
self.dhcp.send_different_option = 'subnet'
log.info("Sending DHCP Request with wrong subnet mask.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP NAK.")
assert_not_equal(new_cip, None)
elif new_cip and new_sip:
log.info("Got DHCP Ack despite of specifying wrong Subnet Mask in DHCP Request.")
log.info("Getting subnet mask as per server 's configuration.")
def test_dhcpRelay_client_expected_router_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
config = self.default_config
new_options = [('routers', '20.20.20.1')]
options = self.default_options + new_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
if expected_router_address == router_address_value:
log.info("Got same router address as passed in DHCP server configuration.")
elif expected_router_address != router_address_value:
log.info("Not getting same router address as passed in DHCP server configuration.")
assert_equal(expected_router_address, router_address_value)
def test_dhcpRelay_client_sends_dhcp_request_with_wrong_router_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
self.dhcp.send_different_option = 'router'
log.info("Sending DHCP Request with wrong router address.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP NAK.")
assert_not_equal(new_cip, None)
elif new_cip and new_sip:
log.info("Got DHCP Ack despite of specifying wrong Router Address in DHCP Request.")
log.info("Getting Router Address as per server 's configuration.")
def test_dhcpRelay_client_expected_broadcast_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
if expected_broadcast_address == broadcast_address_value:
log.info("Got same router address as passed in DHCP server configuration.")
elif expected_broadcast_address != broadcast_address_value:
log.info("Not getting same router address as passed in DHCP server configuration.")
assert_equal(expected_broadcast_address, broadcast_address_value)
def test_dhcpRelay_client_sends_dhcp_request_with_wrong_broadcast_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
self.dhcp.send_different_option = 'broadcast_address'
log.info("Sending DHCP Request with wrong broadcast address.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP NAK.")
assert_not_equal(new_cip, None)
elif new_cip and new_sip:
log.info("Got DHCP Ack despite of specifying wrong Broadcast Address in DHCP Request.")
log.info("Getting Broadcast Address as per server 's configuration.")
def test_dhcpRelay_client_expected_dns_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
if expected_dns_address == dns_address_value:
log.info("Got same DNS address as passed in DHCP server configuration.")
elif expected_dns_address != dns_address_value:
log.info("Not getting same DNS address as passed in DHCP server configuration.")
assert_equal(expected_dns_address, dns_address_value)
def test_dhcpRelay_client_sends_request_with_wrong_dns_address(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
##we use the defaults for this test that serves as an example for others
##You don't need to restart dhcpd server if retaining default config
config = self.default_config
options = self.default_options
subnet = self.default_subnet_config
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
self.dhcp = DHCPTest(seed_ip = '20.20.20.45', iface = iface)
cip, sip, mac, _ = self.dhcp.only_discover()
log.info('Got dhcp client IP %s from server %s for mac %s .' %
(cip, sip, mac) )
log.info("Verifying Client 's IP and mac in DHCP Offer packet. Those should not be none, which is expected.")
if (cip == None and mac != None):
log.info("Verified that Client 's IP and mac in DHCP Offer packet are none, which is not expected behavior.")
assert_not_equal(cip, None)
elif cip and sip and mac:
self.dhcp.send_different_option = 'dns'
log.info("Sending DHCP Request with wrong DNS address.")
new_cip, new_sip = self.dhcp.only_request(cip, mac)
if new_cip == None:
log.info("Got DHCP NAK.")
assert_not_equal(new_cip, None)
elif new_cip and new_sip:
log.info("Got DHCP Ack despite of specifying wrong DNS Address in DHCP Request.")
log.info("Getting DNS Address as per server 's configuration.")
def test_dhcpRelay_transactions_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.stats()
log.info("Statistics for run %d",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions No. of successes No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions per second in run %d:%f" %(i, self.transaction_count))
log.info("Final Statistics for total transactions")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of transactions per second: %d", round(self.transactions/self.running_time,0))
def test_dhcpRelay_consecutive_successes_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.stats(success_rate = True)
log.info("Statistics for run %d",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of consecutive successful transactions Running Time ")
log.info(" %d %d " %(self.ip_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of successful transactions per second in run %d:%f" %(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total successful transactions")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of consecutive successes Running Time ")
log.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of consecutive successful transactions per second: %d", round(self.total_success/self.running_time,0))
log.info("----------------------------------------------------------------------------------")
def test_dhcpRelay_clients_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.stats(only_discover = True)
log.info("----------------------------------------------------------------------------------")
log.info("Statistics for run %d of sending only DHCP Discover",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions No. of successes No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of clients per second in run %d:%f "
%(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total transactions of sending only DHCP Discover")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of clients per second: %d ",
round(self.transactions/self.running_time,0))
log.info("----------------------------------------------------------------------------------")
def test_dhcpRelay_consecutive_successful_clients_per_second(self, iface = 'veth0'):
for i in range(1,4):
self.stats(success_rate = True, only_discover = True)
log.info("----------------------------------------------------------------------------------")
log.info("Statistics for run %d for sending only DHCP Discover",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of consecutive successful transactions Running Time ")
log.info(" %d %d " %(self.ip_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of consecutive successful clients per second in run %d:%f" %(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total successful transactions")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of consecutive successes Running Time ")
log.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of consecutive successful clients per second: %d", round(self.total_success/self.running_time,0))
log.info("----------------------------------------------------------------------------------")
def test_dhcpRelay_concurrent_transactions_per_second(self, iface = 'veth0'):
config = self.default_config
options = self.default_options
subnet = [ ('192.168.1.2',
'''
subnet 192.168.0.0 netmask 255.255.0.0 {
range 192.168.1.10 192.168.2.100;
}
'''), ]
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.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.info("----------------------------------------------------------------------------------")
log.info("Statistics for run %d",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions No. of successes No. of failures Running Time ")
log.info(" %d %d %d %d"
%(self.ip_count+self.failure_count,self.ip_count, self.failure_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions per second in run %d:%f" %(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total transactions")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of transactions per second: %d", round(self.transactions/self.running_time,0))
log.info("----------------------------------------------------------------------------------")
def test_dhcpRelay_concurrent_consecutive_successes_per_second(self, iface = 'veth0'):
config = self.default_config
options = self.default_options
subnet = [ ('192.168.1.2',
'''
subnet 192.168.0.0 netmask 255.255.0.0 {
range 192.168.1.10 192.168.2.100;
}
'''), ]
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.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.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.info("Statistics for run %d",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of consecutive successful transactions Running Time ")
log.info(" %d %d " %(self.ip_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of successful transactions per second in run %d:%f" %(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total successful transactions")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of consecutive successes Running Time ")
log.info(" %d %d %d " %(self.transactions,
self.total_success, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of consecutive successful transactions per second: %d", round(self.total_success/self.running_time,2))
log.info("----------------------------------------------------------------------------------")
def test_dhcpRelay_concurrent_clients_per_second(self, iface = 'veth0'):
config = self.default_config
options = self.default_options
subnet = [ ('192.168.1.2',
'''
subnet 192.168.0.0 netmask 255.255.0.0 {
range 192.168.1.10 192.168.2.100;
}
'''), ]
dhcpd_interface_list = self.relay_interfaces
self.dhcpd_start(intf_list = dhcpd_interface_list,
config = config,
options = options,
subnet = subnet)
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.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.info("----------------------------------------------------------------------------------")
log.info("Statistics for run %d of sending only DHCP Discover",i)
log.info("----------------------------------------------------------------------------------")
log.info("No. of transactions No. of successes No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.ip_count+self.failure_count, self.ip_count, self.failure_count, self.diff))
log.info("----------------------------------------------------------------------------------")
log.info("No. of clients per second in run %d:%f "
%(i, self.transaction_count))
log.info("----------------------------------------------------------------------------------")
log.info("Final Statistics for total transactions of sending only DHCP Discover")
log.info("----------------------------------------------------------------------------------")
log.info("Total transactions Total No. of successes Total No. of failures Running Time ")
log.info(" %d %d %d %d" %(self.transactions,
self.total_success, self.total_failure, self.running_time))
log.info("----------------------------------------------------------------------------------")
log.info("Average no. of clients per second: %d ",
round(self.transactions/self.running_time,0))
log.info("----------------------------------------------------------------------------------")
@nottest
def test_dhcpRelay_inform_packet(self, iface = 'veth0'):
mac = self.get_mac(iface)
self.host_load(iface)
self.dhcp = DHCPTest(seed_ip = '10.10.10.1', iface = iface)
self.send_recv(mac, inform_packet = True)
def test_dhcpRelay_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.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.info('Got dhcp client IP %s from server %s for mac %s.' %
(new_cip, new_sip, new_mac) )
log.info("IP %s alredy consumed by mac %s." % (new_cip, new_mac))
log.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.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.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)