def autoAssociation(cls, stations, aps):
"""
This is useful to make the users' life easier
:param stations: list of stations
:param aps: list of access points
"""
from mininet.node import Car
nodes = stations + aps
for node in nodes:
for wlan in range(0, len(node.params['wlan'])):
if isinstance(node, Car) and wlan == 1:
node = node.params['carsta']
wlan = 0
ap = []
for node in aps:
if 'link' in node.params:
ap.append(node)
nodes = stations + ap
if cls.nroads == 0:
for node in nodes:
if 'position' in node.params and 'link' not in node.params:
mobility.aps = aps
mobility.parameters_(node)
for sta in stations:
for wlan in range(0, len(sta.params['wlan'])):
for ap in aps:
if 'position' in sta.params and 'position' in ap.params:
dist = sta.get_distance_to(ap)
if dist <= ap.params['range'][0]:
mobility.handover(sta, ap, wlan, ap_wlan=0)
def autoAssociation(cls, stations, aps):
"""
This is useful to make the users' life easier
:param stations: list of stations
:param aps: list of access points
"""
nodes = stations + aps
for node in nodes:
for wlan in range(0, len(node.params['wlan'])):
if node.type == 'vehicle' and wlan == 1:
node = node.params['carsta']
wlan = 0
ap = []
for node in aps:
if 'link' in node.params:
ap.append(node)
nodes = stations + ap
if cls.nroads == 0:
for node in nodes:
if 'position' in node.params and 'link' not in node.params:
mobility.aps = aps
mobility.parameters_(node)
for sta in stations:
for wlan in range(0, len(sta.params['wlan'])):
for ap in aps:
if 'position' in sta.params and 'position' in ap.params:
dist = wirelessLink.getDistance(sta, ap)
if dist <= ap.params['range'][0]:
mobility.handover(sta, ap, wlan)
def moveNodeTo(self, sta, ap, dist, ang):
x = float('%.2f' % (dist * cos(ang) + int(ap.params['position'][0])))
y = float('%.2f' % (dist * sin(ang) + int(ap.params['position'][1])))
sta.params['position'] = x, y, 0
mobility.parameters_(sta)
if mininetWiFi.DRAW:
try:
plot2d.graphUpdate(sta)
except:
pass
def autoAssociation(self, stations, accessPoints):
"""
This is useful to make the users' life easier
:param stations: list of stations
:param accessPoints: list of access points
"""
nodes = stations + accessPoints
for node in nodes:
for wlan in range(0, len(node.params['wlan'])):
if node.type == 'vehicle' and wlan == 1:
node = node.params['carsta']
wlan = 0
node.setTxPower_(node.params['wlan'][wlan],
node.params['txpower'][wlan])
node.setAntennaGain_(node.params['wlan'][wlan],
node.params['antennaGain'][wlan])
#node.setAntennaHeight_(node.params['wlan'][wlan], node.params['antennaHeight'][wlan])
ap = []
for node in accessPoints:
if 'link' in node.params:
ap.append(node)
nodes = stations + ap
if self.nroads == 0:
for node in stations:
for wlan in range(0, len(node.params['wlan'])):
if node.func[wlan] == 'mesh':
mobility.meshNodes.append(node)
elif node.func[wlan] == 'adhoc':
mobility.adhocNodes.append(node)
for node in nodes:
if 'position' in node.params and 'link' not in node.params:
mobility.accessPoints = accessPoints
mobility.parameters_(node)
for sta in stations:
for wlan in range(0, len(sta.params['wlan'])):
for ap in accessPoints:
if 'position' in sta.params and 'position' in ap.params:
dist = link.getDistance(sta, ap)
if dist <= ap.params['range']:
mobility.handover(sta, ap, wlan)
def autoAssociation(self, stations, accessPoints):
"""
This is useful to make the users' life easier
:param stations: list of stations
:param accessPoints: list of access points
"""
nodes = stations + accessPoints
for node in nodes:
for wlan in range(0, len(node.params['wlan'])):
node.setTxPower_(node.params['wlan'][wlan],
node.params['txpower'][wlan])
ap = []
for node in accessPoints:
if 'link' in node.params:
ap.append(node)
nodes = stations + ap
if not self.isVanet:
for node in stations:
for wlan in range(0, len(node.params['wlan'])):
if node.func[wlan] == 'mesh':
mobility.meshNodes.append(node)
elif node.func[wlan] == 'adhoc':
mobility.adhocNodes.append(node)
for node in nodes:
if 'position' in node.params and 'link' not in node.params:
mobility.accessPoints = accessPoints
mobility.parameters_(node)
for sta in stations:
for wlan in range(0, len(node.params['wlan'])):
for ap in accessPoints:
if 'position' in sta.params and 'position' in ap.params:
dist = link.getDistance(sta, ap)
if dist <= ap.params['range']:
mobility.handover(sta, ap, wlan, dist)
def mobility(self, mininet):
if mininetWiFi.DRAW:
instantiateGraph(mininet)
currentTime = time.time()
staList = mininet.stations
stations = []
for node in staList:
if 'speed' in node.params:
stations.append(node)
node.currentTime = 1 / node.params['speed']
node.time = float(1.0 / node.params['speed'])
while True:
time_ = time.time() - currentTime
if len(stations) == 0:
break
for node in stations:
while time_ >= node.currentTime and len(node.position) != 0:
node.moveNodeTo(node.position[0])
mobility.parameters_(node)
del node.position[0]
node.currentTime += node.time
if len(node.position) == 0:
stations.remove(node)
def mobility(self, mininet, nodes):
from mininet.node import AP, Station
if nodes == None:
nodes = mininet.stations + mininet.aps
for node in nodes:
if isinstance(node, Station):
if 'position' in node.params and node not in mobility.stations:
mobility.stations.append(node)
if isinstance(node, AP):
if 'position' in node.params and node not in mobility.aps:
mobility.aps.append(node)
if mininetWiFi.DRAW:
instantiateGraph(mininet)
if mininetWiFi.is3d:
plot = plot3d
else:
plot = plot2d
currentTime = time.time()
if nodes is None:
nodes = mininet.stations
for node in nodes:
if 'speed' in node.params:
node.lastpos = 0, 0, 0
node.currentTime = 1 / node.params['speed']
node.timestamp = float(1.0 / node.params['speed'])
node.isStationary = False
if hasattr(node, 'time'):
self.timestamp = True
if self.timestamp:
while True:
time_ = time.time() - currentTime
time.sleep(0.00001)
if len(nodes) == 0:
break
for node in nodes:
if hasattr(node, 'position'):
position_ = (0, 0, 0)
if time_ >= float(node.time[0]):
position_ = node.position[0]
del node.position[0]
del node.time[0]
if position_ != (0, 0, 0):
node.setPosition(position_)
if len(node.position) == 0:
nodes.remove(node)
mobility.parameters_()
plot.graphPause()
else:
while True:
time_ = time.time() - currentTime
time.sleep(0.00001)
if len(nodes) == 0:
break
for node in nodes:
if hasattr(node, 'position'):
position = (0, 0, 0)
while time_ >= node.currentTime and len(
node.position) != 0:
position = node.position[0]
del node.position[0]
node.currentTime += node.timestamp
if position != (0, 0, 0):
node.setPosition(position)
if len(node.position) == 0:
nodes.remove(node)
mobility.parameters_()
plot.graphPause()
