def __init__(self):
"Create custom topo."
# Initialize topology
Topo_WiFi.__init__(self)
# Add hosts and switches
leftStation = self.addStation('sta1')
rightStation = self.addStation('sta2')
leftAP = self.addAccessPoint('ap3')
rightAP = self.addAccessPoint('ap4')
# Add links
self.addLink(leftStation, leftAP)
self.addLink(leftAP, rightAP)
self.addLink(rightAP, rightStation)
def __init__( self ):
"Create custom topo."
# Initialize topology
Topo_WiFi.__init__( self )
# Add hosts and switches
leftStation = self.addStation( 'sta1' )
rightStation = self.addStation( 'sta2' )
leftAP = self.addAccessPoint( 'ap3' )
rightAP = self.addAccessPoint( 'ap4' )
# Add links
self.addLink( leftStation, leftAP )
self.addLink( leftAP, rightAP )
self.addLink( rightAP, rightStation )
def testActualDpidAssignment(self):
"""Verify that AP dpid is the actual dpid assigned if dpid is
passed in ap creation."""
dpid = self.dpidFrom(0xABCD)
ap = Mininet_wifi(topo=Topo_WiFi(), accessPoint=self.accessPointClass,
station=Station, controller=Controller,
).addAccessPoint('ap1', dpid=dpid)
self.assertEqual(ap.dpid[1:], dpid)
def testDefaultDpid(self):
"""Verify that the default dpid is assigned using a valid provided
canonical apname if no dpid is passed in ap creation."""
ap = Mininet_wifi(topo=Topo_WiFi(),
accessPoint=self.accessPointClass,
station=Station, controller=Controller,
).addAccessPoint('ap1')
self.assertEqual(ap.defaultDpid(), ap.dpid)
def testDefaultDpidLen(self):
"""Verify that Default dpid length is 16 characters consisting of
16 - len(hex of first string of contiguous digits passed in ap
name) 0's followed by hex of first string of contiguous digits passed
in ap name."""
ap = Mininet_wifi(topo=Topo_WiFi(), accessPoint=self.accessPointClass,
station=Station, controller=Controller,
).addAccessPoint('ap123')
self.assertEqual(ap.dpid, self.dpidFrom(123))
def __init__(self, stations, aps, hosts, switches, links, log_dir,
bmv2_exe, pcap_dir, **opts):
Topo_WiFi.__init__(self, **opts)
sta_links = []
ap_links = []
# assumes station always comes first for station<-->ap links
for link in links:
if (link['node2'][0] == 's' and link['node2'][1] == 't') \
or link['node1'][0] == 'h':
sta_links.append(link)
else:
ap_links.append(link)
if switches:
for switch, params in switches.iteritems():
if "program" in params:
switchClass = configureP4Switch(
sw_path=bmv2_exe,
json_path=params["program"],
log_console=True,
pcap_dump=pcap_dir)
else:
# add default ap
switchClass = None
if 'device_id' in params:
device_id = params['device_id']
else:
device_id = None
if 'grpc_port' in params:
grpc_port = params['grpc_port']
else:
grpc_port = None
if 'thrift-port' in params:
thrift_port = params['thrift-port']
else:
thrift_port = None
self.addSwitch(switch,
log_file="%s/%s.log" % (log_dir, switch),
grpc_port=grpc_port,
device_id=device_id,
thrift_port=thrift_port,
cls=switchClass)
if aps:
for ap, params in aps.iteritems():
if "program" in params:
apClass = configureP4AP(sw_path=bmv2_exe,
json_path=params["program"],
log_console=True,
pcap_dump=pcap_dir)
else:
# add default ap
apClass = None
if int(ap[2:]) == 1:
x, y = 100, 300
elif int(ap[2:]) == 2:
x, y = 500, 300
if 'device_id' in params:
device_id = params['device_id']
else:
device_id = None
if 'grpc_port' in params:
grpc_port = params['grpc_port']
else:
grpc_port = None
if 'thrift-port' in params:
thrift_port = params['thrift-port']
else:
thrift_port = None
self.addAccessPoint(ap,
log_file="%s/%s.log" % (log_dir, ap),
position='%s,%s,0' % (x, y),
grpc_port=grpc_port,
device_id=device_id,
thrift_port=thrift_port,
cls=apClass,
passwd='123456789a',
encrypt='wpa2',
ieee80211r='yes',
mobility_domain='a1b2')
for sta in stations:
sta_num = int(sta[3:])
sta_ip = "10.0.%d.%d" % (sta_num, sta_num)
sta_mac = '08:00:00:00:%02x:%s%s' % (sta_num, sta_num, sta_num)
self.addStation(str(sta),
ip=sta_ip + '/24',
mac=sta_mac,
encrypt='wpa2',
bgscan_threshold=-70,
s_inverval=1,
l_interval=2)
for host in hosts:
host_num = int(host[1:])
host_ip = "10.0.%d.%d" % (host_num, host_num)
host_mac = '08:00:00:00:%02x:%s%s' % (host_num, host_num, host_num)
if host_num == 3:
self.addHost(str(host),
ip=host_ip + '/24',
mac=host_mac,
inNamespace=False)
else:
self.addHost(str(host), ip=host_ip + '/24', mac=host_mac)
for switch in switches:
switch_name = str(switch)
self.addLink(host, str(switch_name))
for link in ap_links:
sw1_name, sw1_port = self.parse_ap_node(link['node1'])
sw2_name, sw2_port = self.parse_ap_node(link['node2'])
self.addLink(sw1_name, sw2_name, port1=sw1_port, port2=sw2_port)
def processTopo(topoFile):
config = configparser.ConfigParser(delimiters=' ')
config.read(topoFile)
topo = Topo_WiFi()
items = config.items('stations')
debug("Stations")
for item in items:
debug(item[0].split(':'))
name = item[0].split(':')[0]
params = {}
for param in item[1].split(' '):
if param == "_":
continue
key = param.split('=')[0]
value = param.split('=')[1]
if key in ['range']:
value = int(value)
params[key] = value
topo.addStation(name, **params)
try:
debug("Switches")
items = config.items('switches')
for item in items:
debug(item[0].split(':'))
name = item[0].split(':')[0]
topo.addSwitch(name)
except configparser.NoSectionError:
debug("Switches are optional")
pass
try:
debug("APs")
items = config.items('accessPoints')
for item in items:
debug(item[0].split(':'))
name = item[0].split(':')[0]
ap_params = {}
for param in item[1].split(' '):
if param == "_":
continue
key = param.split('=')[0]
value = param.split('=')[1]
if key in ['range']:
value = int(value)
ap_params[key] = value
topo.addAccessPoint(name, **ap_params)
except configparser.NoSectionError:
debug("APs are optional")
pass
items = config.items('links')
debug("Links")
for item in items:
link = item[0].split(':')
debug(link)
params = {}
for param in item[1].split(' '):
if param == "_":
continue
key = param.split('=')[0]
value = param.split('=')[1]
if key in ['bw', 'jitter', 'max_queue_size']:
value = int(value)
if key == 'loss':
value = float(value)
params[key] = value
topo.addLink(link[0], link[1], **params)
return topo
def __init__(self, stations, aps, links, log_dir, bmv2_exe, pcap_dir,
**opts):
Topo_WiFi.__init__(self, **opts)
sta_links = []
ap_links = []
# assumes station always comes first for station<-->ap links
for link in links:
if link['node2'][0] == 's':
sta_links.append(link)
else:
ap_links.append(link)
for ap, params in aps.iteritems():
if "program" in params:
apClass = configureP4AP(sw_path=bmv2_exe,
json_path=params["program"],
log_console=True,
pcap_dump=pcap_dir)
else:
# add default ap
apClass = None
if int(ap[2:]) == 1:
x, y = 100, 100
elif int(ap[2:]) == 2:
x, y = 300, 100
elif int(ap[2:]) == 3:
x, y = 100, 300
elif int(ap[2:]) == 4:
x, y = 300, 300
self.addAccessPoint(ap,
log_file="%s/%s.log" % (log_dir, ap),
position='%s,%s,0' % (x, y),
cls=apClass)
for link in sta_links:
sta_name = link['node2']
ap_name, sw_port = self.parse_ap_node(link['node1'])
sta_num = int(sta_name[3:])
sta_ip = "10.0.%d.%d" % (sta_num, sta_num)
sta_mac = '08:00:00:00:%02x:%s%s' % (sta_num, sta_num, sta_num)
if int(ap_name[2:]) == 1 and sta_num == 1:
x, y = 80, 80
elif int(ap_name[2:]) == 1 and sta_num == 2:
x, y = 120, 80
elif int(ap_name[2:]) == 2 and sta_num == 3:
x, y = 280, 80
elif int(ap_name[2:]) == 2 and sta_num == 4:
x, y = 320, 80
self.addStation(sta_name,
ip=sta_ip + '/24',
mac=sta_mac,
position='%s,%s,0' % (x, y))
self.addLink(sta_name,
ap_name,
delay=link['latency'],
bw=link['bandwidth'])
for link in ap_links:
sw1_name, sw1_port = self.parse_ap_node(link['node1'])
sw2_name, sw2_port = self.parse_ap_node(link['node2'])
if int(sw1_name[2:]) == 1 or int(sw1_name[2:]) == 2:
sw1_port -= 1
self.addLink(sw1_name,
sw2_name,
port1=sw1_port,
port2=sw2_port,
delay=link['latency'],
bw=link['bandwidth'])
def __init__(self, stations, aps, hosts, switches, links, log_dir,
bmv2_exe, pcap_dir, **opts):
Topo_WiFi.__init__(self, **opts)
sta_links = []
ap_links = []
# assumes station always comes first for station<-->ap links
for link in links:
if (link['node2'][0] == 's' and link['node2'][1] == 't') \
or link['node1'][0] == 'h':
sta_links.append(link)
else:
ap_links.append(link)
if switches:
for switch, params in switches.iteritems():
if "program" in params:
switchClass = configureP4Switch(
sw_path=bmv2_exe,
json_path=params["program"],
log_console=True,
pcap_dump=pcap_dir)
else:
# add default ap
switchClass = None
if 'device_id' in params:
device_id = params['device_id']
else:
device_id = None
if 'grpc_port' in params:
grpc_port = params['grpc_port']
else:
grpc_port = None
if 'thrift-port' in params:
thrift_port = params['thrift-port']
else:
thrift_port = None
self.addSwitch(switch,
log_file="%s/%s.log" % (log_dir, switch),
grpc_port=grpc_port,
device_id=device_id,
thrift_port=thrift_port,
cls=switchClass)
if aps:
for ap, params in aps.iteritems():
if "program" in params:
apClass = configureP4AP(sw_path=bmv2_exe,
json_path=params["program"],
log_console=True,
pcap_dump=pcap_dir)
else:
# add default ap
apClass = None
if int(ap[2:]) == 1:
x, y = 100, 100
elif int(ap[2:]) == 2:
x, y = 300, 100
if 'device_id' in params:
device_id = params['device_id']
else:
device_id = None
if 'grpc_port' in params:
grpc_port = params['grpc_port']
else:
grpc_port = None
if 'thrift-port' in params:
thrift_port = params['thrift-port']
else:
thrift_port = None
self.addAccessPoint(ap,
log_file="%s/%s.log" % (log_dir, ap),
position='%s,%s,0' % (x, y),
grpc_port=grpc_port,
device_id=device_id,
thrift_port=thrift_port,
cls=apClass)
for link in sta_links:
if link['node1'][0] == 'h':
sta_name = link['node1']
sw = link['node2']
sta_num = int(sta_name[1:])
else:
sta_name = link['node2']
sw = link['node1']
sta_num = int(sta_name[3:])
ap_name, sw_port = self.parse_ap_node(sw)
sta_ip = "10.0.%d.%d" % (sta_num, sta_num)
sta_mac = '08:00:00:00:%02x:%s%s' % (sta_num, sta_num, sta_num)
if link['node1'][0] != 'h':
if int(ap_name[2:]) == 1:
x, y = 100, 80
elif int(ap_name[2:]) == 2:
x, y = 340, 80
if link['node1'][0] == 'h':
self.addHost(sta_name, ip=sta_ip + '/24', mac=sta_mac)
else:
self.addStation(sta_name,
ip=sta_ip + '/24',
mac=sta_mac,
position='%s,%s,0' % (x, y))
self.addLink(sta_name, ap_name)
for link in ap_links:
sw1_name, sw1_port = self.parse_ap_node(link['node1'])
sw2_name, sw2_port = self.parse_ap_node(link['node2'])
self.addLink(sw1_name, sw2_name, port1=sw1_port, port2=sw2_port)