def rssi(self, mininet, propagationModel='', n=0):
#if mobility.DRAW:
# instantiateGraph(mininet)
currentTime = time.time()
staList = mininet.stations
ang = {}
for sta in staList:
ang[sta] = random.uniform(0, 360)
sta.params['frequency'][0] = setChannelParams.frequency(sta, 0)
while True:
if len(staList) == 0:
break
time_ = time.time() - currentTime
for sta in staList:
if hasattr(sta, 'time'):
if time_ >= sta.time[0]:
ap = sta.params['associatedTo'][0] # get AP
sta.params['rssi'][0] = sta.rssi[0]
if ap != '':
rssi = sta.rssi[0]
dist = int('%d' % self.calculateDistance(sta, ap, rssi, propagationModel, n))
self.moveNodeTo(sta, ap, dist, ang[sta])
setChannelParams(sta, ap, 0, dist)
del sta.rssi[0]
del sta.time[0]
if len(sta.time) == 0:
staList.remove(sta)
time.sleep(0.01)
def mesh(self, sta, stations):
wlan = sta.ifaceToAssociate
sta.params['rssi'][wlan] = -62
sta.params['snr'][wlan] = -62 - (-90.0)
if sta.params['mac'][wlan] != '':
sta.cmd('iw dev %s interface add %s-mp%s type mp' %
(sta.params['wlan'][wlan], sta, wlan))
sta.cmd('ifconfig %s-mp%s down' % (sta, wlan))
sta.cmd('ip link set %s-mp%s address %s' %
(sta, wlan, sta.params['mac'][wlan]))
sta.cmd('ifconfig %s down' % sta.params['wlan'][wlan])
iface = '%s-mp%s' % (sta, wlan)
sta.params['wlan'][wlan] = iface
sta.params['frequency'][wlan] = setChannelParams.frequency(sta, wlan)
self.getMacAddress(sta, iface, wlan)
sta.intfs[wlan] = sta.params['wlan'][wlan]
cls = TCLinkWireless
cls(sta, port1=wlan, intfName1=sta.params['wlan'][wlan])
sta.cmd('ifconfig %s %s up' %
(sta.params['wlan'][wlan], sta.params['ip'][wlan]))
if 'position' not in sta.params:
self.meshAssociation(sta, wlan)
def behavior(self, mininet):
seconds = 5
info('Replaying process starting in %s seconds\n' % seconds)
time.sleep(seconds)
info('Replaying process has been started\n')
currentTime = time.time()
stations = mininet.stations
for sta in stations:
sta.params['frequency'][0] = setChannelParams.frequency(sta, 0)
while True:
if len(stations) == 0:
break
time_ = time.time() - currentTime
for sta in stations:
if hasattr(sta, 'time'):
if time_ >= sta.time[0]:
if sta.params['associatedTo'][0] != '':
bw = sta.bw[0]
loss = sta.loss[0]
delay = sta.delay[0]
latency = sta.latency[0]
setChannelParams.tc(sta, 0, bw, loss, latency, delay)
del sta.bw[0]
del sta.loss[0]
del sta.delay[0]
del sta.latency[0]
del sta.time[0]
if len(sta.time) == 0:
stations.remove(sta)
time.sleep(0.001)
info('Replaying process has finished!')
def rssi(self, propagationModel='', n=0):
if mobility.DRAW:
instantiateGraph()
currentTime = time.time()
staList = mobility.stations
ang = {}
for sta in staList:
ang[sta] = random.uniform(0, 360)
sta.params['frequency'][0] = setChannelParams.frequency(sta, 0)
continue_ = True
while continue_:
continue_ = False
time_ = time.time() - currentTime
for sta in staList:
if hasattr(sta, 'time'):
continue_ = True
if time_ >= sta.time[0]:
ap = sta.params['associatedTo'][0] # get AP
sta.params['rssi'][0] = sta.rssi[0]
if ap != '':
dist = self.calculateDistance(
sta, ap, sta.rssi[0], propagationModel, n)
self.moveStationTo(sta, ap, dist, ang[sta])
setChannelParams(sta, ap, dist, 0)
del sta.rssi[0]
del sta.time[0]
if len(sta.time) == 0:
staList.remove(sta)
time.sleep(0.01)
def behavior(self):
info('\nReplaying process starting in 20 seconds')
time.sleep(20)
info('\nReplaying process has been started')
currentTime = time.time()
staList = mobility.stations
for sta in staList:
sta.params['frequency'][0] = setChannelParams.frequency(sta, 0)
continue_ = True
while continue_:
continue_ = False
time_ = time.time() - currentTime
for sta in staList:
if hasattr(sta, 'time'):
continue_ = True
if time_ >= sta.time[0]:
ap = sta.params['associatedTo'][0] # get AP
if ap != '':
bw = sta.bw[0]
loss = sta.loss[0]
delay = sta.delay[0]
latency = sta.latency[0]
setChannelParams.tc(sta, 0, bw, loss, latency,
delay)
del sta.bw[0]
del sta.loss[0]
del sta.delay[0]
del sta.latency[0]
del sta.time[0]
if len(sta.time) == 0:
staList.remove(sta)
time.sleep(0.01)
info('Replaying process has finished!')
def updateParams(self, sta, ap, wlan):
"""
Updates values for frequency and channel
:param sta: station
:param ap: access point
:param wlan: wlan ID
"""
sta.params['frequency'][wlan] = setChannelParams.frequency(ap, 0)
sta.params['channel'][wlan] = ap.params['channel'][0]
def configureAP(self, ap, wlanID=0, aplist=None):
"""Configure AP
:param ap: ap node
:param wlanID: wlan ID
"""
if 'phywlan' in ap.params:
wlanID = 1
for wlan in range(len(ap.params['wlan']) + wlanID):
if wlanID == 1:
wlan = 0
if 'encrypt' in ap.params and 'config' not in ap.params:
if ap.params['encrypt'][wlan] == 'wpa':
ap.auth_algs = 1
ap.wpa = 1
if 'ieee80211r' in ap.params and ap.params[
'ieee80211r'] == 'yes':
ap.wpa_key_mgmt = 'FT-EAP'
else:
ap.wpa_key_mgmt = 'WPA-EAP'
ap.rsn_pairwise = 'TKIP CCMP'
ap.wpa_passphrase = ap.params['passwd'][0]
elif ap.params['encrypt'][wlan] == 'wpa2':
ap.auth_algs = 1
ap.wpa = 2
if 'ieee80211r' in ap.params and ap.params[
'ieee80211r'] == 'yes':
ap.wpa_key_mgmt = 'FT-PSK'
else:
ap.wpa_key_mgmt = 'WPA-PSK'
ap.rsn_pairwise = 'CCMP'
ap.wpa_passphrase = ap.params['passwd'][0]
elif ap.params['encrypt'][wlan] == 'wep':
ap.auth_algs = 2
ap.wep_key0 = ap.params['passwd'][0]
cls = AccessPoint
cls(ap, wlan=wlan, aplist=aplist)
if 'phywlan' not in ap.params:
iface = ap.params['wlan'][wlan]
else:
iface = ap.params['phywlan']
if not self.useWmediumd:
self.setBw(ap, wlan, iface)
if ap.func[0] != 'ap':
ap.params['frequency'][wlan] = setChannelParams.frequency(
ap, 0)
wlanID = 0
setChannelParams.recordParams(None, ap)
if len(ap.params['ssid']) > 1 and wlan == 0:
break
def confirmInfraAssociation(self, sta, ap, wlan):
if self.printCon:
iface = sta.params['wlan'][wlan]
info("Associating %s to %s\n" % (iface, ap))
if 'encrypt' in ap.params:
associated = ''
currentTime = time()
while (associated == '' or len(associated[0]) == 15):
associated = self.isAssociated(sta, wlan)
if time() >= currentTime + 10:
info("Error during the association process\n")
break
sta.params['frequency'][wlan] = setChannelParams.frequency(ap, 0)
ap.params['associatedStations'][sta] = sta.params['rssi'][wlan]
sta.params['associatedTo'][wlan] = ap
def confirmInfraAssociation(self, sta, ap, wlan):
"""
Confirm association when station associates to AP
:param sta: station
:param ap: access point
:param wlan: wlan ID
"""
if self.printCon:
iface = sta.params['wlan'][wlan]
info("Associating %s to %s\n" % (iface, ap))
if 'encrypt' in ap.params:
associated = ''
currentTime = time()
while (associated == '' or len(associated[0]) == 15):
associated = self.isAssociated(sta, wlan)
if time() >= currentTime + 10:
info("Error during the association process\n")
break
sta.params['frequency'][wlan] = setChannelParams.frequency(ap, 0)
def pairing(self, sta, wlan, stationList):
"""Pairing nodes"""
i = 1
ref_distance = 0
self.dist = 0
alreadyConn = []
for sta_ref in stationList:
if sta_ref != sta:
dist = setChannelParams.getDistance(sta, sta_ref)
if dist != 0.0:
totalRange = min(sta.params['range'],
sta_ref.params['range'])
if dist < totalRange:
ref_distance = ref_distance + dist
i += 1
for wlan_ref in range(len(sta_ref.params['wlan'])):
if sta.params['ssid'][wlan] == sta_ref.params[
'ssid'][wlan_ref]:
if sta.params['cell'][wlan] == '':
alreadyConn.append(sta)
sta.params['associatedTo'][
wlan] = sta.params['ssid'][wlan]
sta.params['cell'][wlan] = (
'02:CA:FF:EE:BA:0%s' % self.ssid_ID)
iface = sta.params['wlan'][wlan]
info("\nassociating %s to %s..." %
(iface, sta.params['ssid'][wlan]))
debug('iwconfig %s essid %s ap 02:CA:FF:EE:BA:0%s' % \
(sta.params['wlan'][wlan], sta.params['associatedTo'][wlan], self.ssid_ID))
sta.pexec('iwconfig %s essid %s ap 02:CA:FF:EE:BA:0%s' % \
(sta.params['wlan'][wlan], sta.params['associatedTo'][wlan], self.ssid_ID))
sta.params['frequency'][
wlan] = setChannelParams.frequency(
sta, wlan)
if sta.params['cell'][wlan] != sta_ref.params[
'cell'][wlan_ref]:
if sta_ref.params['associatedTo'][
wlan_ref] == sta.params['ssid'][
wlan]:
if sta_ref.params['cell'][
wlan_ref] == '' and sta in alreadyConn:
alreadyConn.append(sta_ref)
iface = sta_ref.params['wlan'][
wlan_ref]
sta_ref.params['associatedTo'][
wlan_ref] = sta.params['ssid'][
wlan]
sta_ref.params['cell'][
wlan_ref] = (
'02:CA:FF:EE:BA:0%s' %
self.ssid_ID)
info("\nassociating %s to %s..." %
(iface,
sta.params['ssid'][wlan]))
debug('iwconfig %s essid %s ap 02:CA:FF:EE:BA:0%s' % \
(sta_ref.params['wlan'][wlan_ref], sta_ref.params['associatedTo'][wlan_ref], self.ssid_ID))
sta_ref.pexec('iwconfig %s essid %s ap 02:CA:FF:EE:BA:0%s' % \
(sta_ref.params['wlan'][wlan_ref], sta_ref.params['associatedTo'][wlan_ref], self.ssid_ID))
sta_ref.params['frequency'][
wlan_ref] = setChannelParams.frequency(
sta_ref, wlan_ref)
if alreadyConn != [] and len(alreadyConn) != 1:
for sta_ref in stationList:
if sta_ref not in alreadyConn:
if sta_ref.params['cell'][wlan_ref] == sta.params['cell'][
wlan]:
sta_ref.params['cell'][wlan_ref] = ''
self.ssid_ID += 1
self.dist = ref_distance / i
return self.dist
