def topology(coord):
"Create a network."
net = Mininet_wifi(controller=Controller, accessPoint=OVSKernelAP)
info("*** Creating nodes\n")
h1 = net.addHost('h1', mac='00:00:00:00:00:01', ip='10.0.0.1/8')
sta1 = net.addStation('sta1', mac='00:00:00:00:00:02', ip='10.0.0.2/8')
sta2 = net.addStation('sta2', mac='00:00:00:00:00:03', ip='10.0.0.3/8')
ap1 = net.addAccessPoint('ap1',
ssid='new-ssid',
mode='g',
channel='1',
position='45,40,0')
c1 = net.addController('c1', controller=Controller)
info("*** Configuring wifi nodes\n")
net.configureWifiNodes()
info("*** Associating and Creating links\n")
net.addLink(ap1, h1)
net.plotGraph(max_x=200, max_y=200)
if coord:
sta1.coord = ['40.0,30.0,0.0', '31.0,10.0,0.0', '31.0,30.0,0.0']
sta2.coord = ['40.0,40.0,0.0', '55.0,31.0,0.0', '55.0,81.0,0.0']
net.startMobility(time=0, repetitions=1)
if coord:
net.mobility(sta1, 'start', time=1)
net.mobility(sta2, 'start', time=2)
net.mobility(sta1, 'stop', time=12)
net.mobility(sta2, 'stop', time=22)
else:
net.mobility(sta1, 'start', time=1, position='40.0,30.0,0.0')
net.mobility(sta2, 'start', time=2, position='40.0,40.0,0.0')
net.mobility(sta1, 'stop', time=12, position='31.0,10.0,0.0')
net.mobility(sta2, 'stop', time=22, position='55.0,31.0,0.0')
net.stopMobility(time=23)
info("*** Starting network\n")
net.build()
c1.start()
ap1.start([c1])
info("*** Running CLI\n")
CLI_wifi(net)
info("*** Stopping network\n")
net.stop()
class Topo(object):
def __init__(self):
self.ap_dict = {}
self.sw_dict = {}
self.host_dict = {}
self.sta_dict = {}
self.net = Mininet_wifi(accessPoint=OVSKernelAP)
self.net.propagationModel(model="logDistance", exp=3)
self.c1 = Controller('c1')
self.add_nodes()
def start(self):
log.info("*** Starting network\n")
# self.net.plotGraph(max_x=200, max_y=200)
self.ts_netstart = time()
# trigger attachment
self.net.startMobility(time=0, repetitions=1)
for sta_name, sta_obj in iteritems(self.sta_dict):
self.net.mobility(sta_obj, 'start', time=1, position='0,0,0')
self.net.mobility(sta_obj, 'stop', time=2, position='0,0,0')
self.net.stopMobility(time=3)
self.net.build()
self.c1.start()
for ap_name, ap_obj in iteritems(self.ap_dict):
ap_obj.start([self.c1])
sleep(5) # wait for setup
CLI_wifi(self.net)
# TODO: clean this shit
result = self.exec_cmd('h1', 'ping 10.0.0.13 -c 1')
log.info(result)
result = self.exec_cmd('sta1', 'ping 10.0.0.11 -c 1')
log.info(result)
result = self.exec_cmd('sta2', 'ping 10.0.0.12 -c 1')
log.info(result)
result = self.exec_cmd(
'h1',
'python main.py color_finder 10.0.0.11:18800 10.0.0.13:18800 &')
log.info(result)
result = self.exec_cmd(
'sta1',
'python main.py data_forwarder 172.17.0.2:18800 10.0.0.11:18800 True &'
)
log.info(result)
result = self.exec_cmd(
'sta2',
'python main.py data_forwarder 10.0.0.13:18800 192.168.56.102:18900 False &'
)
log.info(result)
def run_cli(self):
log.info("*** Running CLI\n")
CLI_wifi(self.net)
def stop(self):
log.info("*** Stopping network\n")
self.net.stop()
def exec_cmd(self, node_name, cmd):
if node_name in self.sta_dict:
node = self.sta_dict[node_name]
elif node_name in self.host_dict:
node = self.host_dict[node_name]
else:
assert False, 'no such node {}'.format(node_name)
return node.cmd(cmd)
def move_station(self, sta_name, next_pos=None, speed=None):
assert sta_name in self.sta_dict
sta = self.sta_dict[sta_name]
if 'position' in sta.params:
cur_x, cur_y, cur_z = sta.params['position']
cur_x, cur_y, cur_z = float(cur_x), float(cur_y), float(cur_z)
else:
cur_x, cur_y, cur_z = 0.0, 0.0, 0.0
if not next_pos:
next_x, next_y, next_z = cur_x, cur_y, cur_z
else:
next_x, next_y, next_z = next_pos
if not speed:
duration = 1
else:
duration = int(
sqrt((next_x - cur_x)**2 + (next_y - cur_y)**2 +
(next_z - cur_z)**2) / speed)
log.info('[I] move {} from ({} {} {}) to ({} {} {}), dur={}\n'.format(
sta_name, cur_x, cur_y, cur_z, next_x, next_y, next_z, duration))
sta.setPosition('{}, {}, {}'.format(next_x, next_y, next_z))
if duration > 0:
sleep(duration)
log.info('{} rssi: {}'.format(sta_name, sta.params['rssi']))
def add_nodes(self, mode='containernet'):
"""
add nodes to net.
Args:
mode (str): miminet or containernet
Returns:
ap_dict, sw_dict, host_dict, sta_dict
"""
log.info("*** Creating nodes\n")
if mode == 'mininet':
h1 = self.net.addHost('h1',
cls=Node,
mac='00:00:00:00:00:01',
ip='10.0.0.11/8')
sta1 = self.net.addStation('sta1',
cls=Station,
mac='00:00:00:00:00:02',
ip='10.0.0.12/8')
sta2 = self.net.addStation('sta2',
cls=Station,
mac='00:00:00:00:00:03',
ip='10.0.0.13/8')
else:
dimage_name = 'kumokay/ubuntu_wifi:v4'
h1 = self.net.addHost('h1',
cls=Docker,
dimage=dimage_name,
mac='00:00:00:00:00:01',
ip='10.0.0.11/8')
sta1 = self.net.addStation('sta1',
cls=DockerStation,
dimage=dimage_name,
mac='00:00:00:00:00:02',
ip='10.0.0.12/8')
sta2 = self.net.addStation('sta2',
cls=DockerStation,
dimage=dimage_name,
mac='00:00:00:00:00:03',
ip='10.0.0.13/8')
ap1 = self.net.addAccessPoint('ap1',
ssid='new-ssid',
mode='g',
channel='1',
position='0,0,0',
range=100)
ap2 = self.net.addAccessPoint('ap2',
ssid='new-ssid',
mode='g',
channel='1',
position='-100,0,0',
range=60)
ap3 = self.net.addAccessPoint('ap3',
ssid='new-ssid',
mode='g',
channel='1',
position='-150,0,0',
range=100)
self.net.addController(self.c1)
# add all nodes to dict
self.ap_dict['ap1'] = ap1
self.ap_dict['ap2'] = ap2
self.ap_dict['ap3'] = ap3
self.host_dict['h1'] = h1
self.sta_dict['sta1'] = sta1
self.sta_dict['sta2'] = sta2
log.info("*** Configuring wifi nodes\n")
self.net.configureWifiNodes()
log.info("*** Associating and Creating links\n")
self.net.addLink(ap1, h1, delay='5ms')
self.net.addLink(ap1, ap2, delay='10ms')
self.net.addLink(ap2, ap3, delay='10ms')
def topology():
"Create a network."
c1 = RemoteController('c1', ip='172.17.20.11', port=6633)
net = Mininet_wifi(accessPoint=OVSKernelAP)
net.propagationModel(model="logDistance", exp=3)
info("*** Creating nodes\n")
#mode = 'mininet'
mode = 'containernet'
if mode == 'mininet':
h1 = net.addHost('h1',
cls=Node,
mac='00:00:00:00:00:01',
ip='10.0.0.11/8')
sta1 = net.addStation('sta1',
cls=Station,
mac='00:00:00:00:00:02',
ip='10.0.0.12/8')
sta2 = net.addStation('sta2',
cls=Station,
mac='00:00:00:00:00:03',
ip='10.0.0.13/8')
else:
dimage_name = 'kumokay/ubuntu14_wifi:latest'
h1 = net.addHost('h1',
cls=Docker,
dimage=dimage_name,
mac='00:00:00:00:00:01',
ip='10.0.0.11/8')
sta1 = net.addStation('sta1',
cls=DockerStation,
dimage=dimage_name,
mac='00:00:00:00:00:02',
ip='10.0.0.12/8')
sta2 = net.addStation('sta2',
cls=DockerStation,
dimage=dimage_name,
mac='00:00:00:00:00:03',
ip='10.0.0.13/8')
ap1 = net.addAccessPoint('ap1',
ssid='new-ssid',
mode='g',
channel='1',
position='0,0,0')
net.addController(c1)
info("*** Configuring wifi nodes\n")
net.configureWifiNodes()
info("*** Associating and Creating links\n")
net.addLink(ap1, h1)
# net.plotGraph(max_x=200, max_y=200)
net.startMobility(time=0, repetitions=1)
net.mobility(sta1, 'start', time=1, position='0.0,0.0,0.0')
net.mobility(sta2, 'start', time=1, position='0.0,0.0,0.0')
net.mobility(sta1, 'stop', time=22, position='40.0,40.0,0.0')
net.mobility(sta2, 'stop', time=22, position='20.0,20.0,0.0')
net.stopMobility(time=23)
info("*** Starting network\n")
net.build()
c1.start()
ap1.start([c1])
info("*** Running CLI\n")
CLI_wifi(net)
info("*** Stopping network\n")
net.stop()
class MininetServer(object):
# expect sequence:
# -> create_empty_net
# -> add_nodes
# -> start_network
# -> start_mobility
# -> start_mobility
# -> start_mobility
# ...
# -> stop_network
# variables
c1 = None
net = None
APs = {}
Stations = {}
Hosts = {}
def create_empty_net(self):
logging.info('setup_empty_net')
self.net = Mininet_wifi(accessPoint=OVSKernelAP)
self.net.propagationModel(model="logDistance", exp=3)
self.c1 = RemoteController('c1', ip='172.17.20.12', port=6633)
self.net.addController(self.c1)
return True
def add_nodes(self, dict_AP, dict_Station):
logging.info('add_nodes')
dimage_name = 'kumokay/ubuntu_wifi:v2'
logging.debug('add APs: {}'.format(dict_AP))
for name in dict_AP:
pos = dict_AP[name]
self.APs[name] = self.net.addAccessPoint(name,
ssid='new-ssid',
mode='g',
channel='1',
position=pos)
logging.debug('add Stations: {}'.format(dict_Station))
ip_lastbyte = 10
for name in dict_Station:
pos = dict_Station[name]
self.Stations[name] = self.net.addStation(
name,
cls=DockerStation,
dimage=dimage_name,
mac='00:00:00:00:00:{:x}'.format(ip_lastbyte),
ip='10.0.0.{}/8'.format(ip_lastbyte),
position=pos)
ip_lastbyte += 1
logging.debug('configure wifi nodes')
self.net.configureWifiNodes()
host_per_ap = 1
logging.info('add Hosts: by default, each AP connected to 1 hosts')
ip_lastbyte = 100
for ap_name in self.APs:
for i in range(0, host_per_ap):
host_name = '{}-h{}'.format(ap_name, i)
self.Hosts[host_name] = self.net.addHost(
host_name,
cls=Docker,
dimage=dimage_name,
mac='00:00:00:00:00:{:x}'.format(ip_lastbyte),
ip='10.0.0.{}/8'.format(ip_lastbyte))
ip_lastbyte += 1
self.net.addLink(self.APs[ap_name], self.Hosts[host_name])
return True
def start_network(self):
logging.info('start_network')
self.net.build()
self.c1.start()
for ap_name in self.APs:
self.APs[ap_name].start([self.c1])
return True
def stop_network(self):
logging.info('stop_network')
self.net.stop()
return True
def start_mobility(self, station_name, from_pos, to_pos, velocity):
logging.info('start_mobility')
logging.debug(self.Stations)
if station_name not in self.Stations:
logging.warning('no such station: {}'.format(station_name))
return False
logging.info('{} -> {}'.format(from_pos, to_pos))
v_from = Vector3r().init_from_string(from_pos)
v_to = Vector3r().init_from_string(to_pos)
logging.info('{} -> {}'.format(v_from, v_to))
distance = lib_geo.getDistance(v_to, v_from)
logging.info('{}'.format(distance))
delta_t = int(distance / velocity)
logging.info(
'move {} from {} to {}, velocity={}, dist={}, delta_t={}'.format(
station_name, from_pos, to_pos, velocity, distance, delta_t))
station = self.Stations[station_name]
self.net.startMobility(time=0, repetitions=0)
self.net.mobility(station, 'start', time=1, position=from_pos)
self.net.mobility(station, 'stop', time=delta_t + 1, position=to_pos)
self.net.stopMobility(time=delta_t + 2)
return True
def start_cil(self):
CLI_wifi(self.net)
return True