def apInRange(self, sta, ap, wlan, dist):
"""
When ap is in range
:param sta: station
:param ap: access point
:param wlan: wlan ID
:param dist: distance between source and destination
"""
if self.rec_rssi:
os.system('hwsim_mgmt -k %s %s >/dev/null 2>&1' %
(sta.phyID[wlan], abs(int(sta.params['rssi'][wlan]))))
if ap not in sta.params['apsInRange']:
sta.params['apsInRange'].append(ap)
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
else:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
if ap == sta.params['associatedTo'][wlan]:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
sta.params['rssi'][wlan] = rssi_
snr_ = setChannelParams.setSNR(sta, wlan)
sta.params['snr'][wlan] = snr_
if sta not in ap.params['associatedStations']:
ap.params['associatedStations'].append(sta)
if not WmediumdServerConn.connected and dist >= 0.01:
setChannelParams(sta, ap, wlan, dist)
if WmediumdServerConn.connected and dist >= 0.01:
WmediumdServerConn.send_snr_update(
WmediumdSNRLink(sta.wmediumdIface, ap.wmediumdIface,
sta.params['snr'][wlan]))
setChannelParams.recordParams(sta, ap)
def customAssociationControl(self, sta, ap, wlan, ac):
"""Mechanisms that optimize the use of the APs
llf: Least-loaded-first
ssf: Strongest-signal-first"""
if ac == "llf":
apref = sta.params['associatedTo'][wlan]
if apref != '':
ref_llf = len(apref.params['associatedStations'])
if len(ap.params['associatedStations']) + 2 < ref_llf:
debug('iw dev %s disconnect' % sta.params['wlan'][wlan])
sta.pexec('iw dev %s disconnect' %
sta.params['wlan'][wlan])
self.changeAP = True
else:
self.changeAP = True
elif ac == "ssf":
distance = setChannelParams.getDistance(
sta, sta.params['associatedTo'][wlan])
RSSI = setChannelParams.setRSSI(sta,
sta.params['associatedTo'][wlan],
wlan, distance)
refDistance = setChannelParams.getDistance(sta, ap)
refRSSI = setChannelParams.setRSSI(sta, ap, wlan, refDistance)
if float(refRSSI) > float(RSSI + 0.1):
debug('iw dev %s disconnect' % sta.params['wlan'][wlan])
sta.pexec('iw dev %s disconnect' % sta.params['wlan'][wlan])
self.changeAP = True
return self.changeAP
def getAPsInRange(self, sta):
"""
Gets all APs in range of the station. It's not used when there is no position defined.
It's also useful for setting parameters, such as rssi, snr, among others.
:param sta: station
"""
for ap in self.accessPoints:
rssi = []
dist = setChannelParams.getDistance(sta, ap)
if dist <= ap.params['range']:
for wlan in range(0, len(sta.params['wlan'])):
if sta.params['rssi'][wlan] == 0:
self.updateParams(sta, ap, wlan)
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
rssi.append(rssi_)
if ap == sta.params['associatedTo'][wlan]:
sta.params['rssi'][wlan] = rssi_
snr_ = setChannelParams.setSNR(sta, wlan)
sta.params['snr'][wlan] = snr_
ap.params['associatedStations'][sta] = sta.params['rssi'][wlan]
sta.params['apsInRange'][ap] = rssi
ap.params['stationsInRange'][sta] = rssi
else:
if ap in sta.params['apsInRange']:
sta.params['apsInRange'].pop(ap, None)
ap.params['stationsInRange'].pop(sta, None)
def configureWirelessLink(self, sta, ap, wlan):
"""
Updates RSSI, SNR, and Others...
:param sta: station
:param ap: access point
:param wlan: wlan ID
"""
dist = setChannelParams.getDistance(sta, ap)
if dist <= ap.params['range']:
for wlan in range(0, len(sta.params['wlan'])):
if sta.params['rssi'][wlan] == 0:
self.updateParams(sta, ap, wlan)
if sta.params['associatedTo'][
wlan] == '' and ap not in sta.params['associatedTo']:
sta.params['associatedTo'][wlan] = ap
cls = Association
cls.associate_infra(sta, ap, wlan)
if dist >= 0.01:
setChannelParams(sta, ap, wlan, dist)
if sta not in ap.params['associatedStations']:
ap.params['associatedStations'].append(sta)
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
sta.params['rssi'][wlan] = rssi_
snr_ = setChannelParams.setSNR(sta, wlan)
sta.params['snr'][wlan] = snr_
if ap not in sta.params['apsInRange']:
sta.params['apsInRange'].append(ap)
ap.params['stationsInRange'][sta] = rssi_
def apInRange(self, sta, ap, wlan, dist):
"""
When ap is in range
:param sta: station
:param ap: access point
:param wlan: wlan ID
:param dist: distance between source and destination
"""
if self.rec_rssi:
os.system('hwsim_mgmt -k %s %s >/dev/null 2>&1' %
(sta.phyID[wlan], abs(int(sta.params['rssi'][wlan]))))
if ap not in sta.params['apsInRange']:
sta.params['apsInRange'].append(ap)
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
else:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
if ap == sta.params['associatedTo'][wlan]:
if not WmediumdServerConn.interference_enabled:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
sta.params['rssi'][wlan] = rssi_
snr_ = setChannelParams.setSNR(sta, wlan)
sta.params['snr'][wlan] = snr_
if sta not in ap.params['associatedStations']:
ap.params['associatedStations'].append(sta)
if dist >= 0.01:
if WmediumdServerConn.connected:
if WmediumdServerConn.interference_enabled:
if sta.lastpos != sta.params['position']:
time.sleep(0.0001)
cls = Association
cls.setPositionWmediumd(sta)
sta.lastpos = sta.params['position']
else:
if sta.lastpos != sta.params['position']:
cls = Association
cls.setSNRWmediumd(sta,
ap,
snr=sta.params['snr'][wlan])
else:
setChannelParams(sta, ap, wlan, dist)
setChannelParams.recordParams(sta, ap)
def apInRange(self, sta, ap, wlan, dist):
"""
When ap is in range
:param sta: station
:param ap: access point
:param wlan: wlan ID
:param dist: distance between source and destination
"""
outevent = False
if self.rec_rssi:
os.system('hwsim_mgmt -k %s %s >/dev/null 2>&1' %
(sta.phyID[wlan], abs(int(sta.params['rssi'][wlan]))))
if ap not in sta.params['apsInRange']:
sta.params['apsInRange'].append(ap)
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
else:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
ap.params['stationsInRange'][sta] = rssi_
if sta in ap.params['associatedStations'] and ap.params[
'stationsInRange'][sta] > -43 and ap.func[0] == 'ap':
sta.params['minswch'] = False
if sta in ap.params['associatedStations'] and ap.params[
'stationsInRange'][sta] > -45.95 and ap.func[0] == 'ap':
sta.params['maxswch'] = False
outevent = True
if ap == sta.params['associatedTo'][wlan]:
rssi_ = setChannelParams.setRSSI(sta, ap, wlan, dist)
sta.params['rssi'][wlan] = rssi_
snr_ = setChannelParams.setSNR(sta, wlan)
sta.params['snr'][wlan] = snr_
if sta not in ap.params['associatedStations']:
ap.params['associatedStations'].append(sta)
if not WmediumdServerConn.connected and dist >= 0.01:
setChannelParams(sta, ap, wlan, dist)
if ap.func[0] == 'ap':
#~ ap.params['out']=False
if ap.params['stationsInRange'][sta] <= -44 and sta.params[
'minswch'] == False:
#~ ap.cmd('echo "%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],ap.params['controller_IP']))
#~ print(sta.params['mac'], ap.params['stationsInRange'][sta],ap.params['controller_IP'],ap.name)
#~ ap.cmd('echo "%s,%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],['ASSO'],ap.params['controller_IP']))
#~ print 'STA ' + str(sta.params['mac']) + 'is ASSOCIATED to '+ ap.name + ' With RSSI ' + str(ap.params['stationsInRange'][sta])
ap.cmdPrint('echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %
(sta.params['mac'][0],
ap.params['stationsInRange'][sta], "ASSO", 1,
ap.params['controller_IP']))
sta.params['minswch'] = True
sta.params['x'] = len(sta.params['apsInRange']) - 1
ap.params['AssoMacRSSI1'][sta.params['mac'][
0]] = ap.params['stationsInRange'][sta]
elif ap.params['stationsInRange'][sta] <= -46 and sta.params[
'maxswch'] == False:
#~ print 'STA ' + str(sta.params['mac']) + 'is ASSOCIATED to '+ ap.name + ' With RSSI ' + str(ap.params['stationsInRange'][sta])
ap.cmdPrint('echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %
(sta.params['mac'][0],
ap.params['stationsInRange'][sta], "ASSO", 2,
ap.params['controller_IP']))
#~ ap.cmd('echo "%s,%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],['ASSO'],ap.params['controller_IP']))
sta.params['maxswch'] = True
sta.params['y'] = len(sta.params['apsInRange']) - 1
ap.params['AssoMacRSSI2'][sta.params['mac'][
0]] = ap.params['stationsInRange'][sta]
#~ if (ap.params['AssoMacRSSI1'] != {}) and (ap.params['AssoMacRSSI2'] != {}):
#~ if (ap.params['AssoMacRSSI1'][sta.params['mac'][0]] != None) and (ap.params['AssoMacRSSI2'][sta.params['mac'][0]] != None):
#~ print (ap.name, 'ASSO', sta.params['mac'], ap.params['AssoMacRSSI2'][sta.params['mac'][0]] - ap.params['AssoMacRSSI1'][sta.params['mac'][0]])
#~ ap.cmd('echo "%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],ap.params['controller_IP']))
#~ Uncomment this one for exact getrssi
#~ ap.cmd('echo "%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['AssoMacRSSI2'][sta.params['mac'][0]] - ap.params['AssoMacRSSI1'][sta.params['mac'][0]],'ASSO',ap.params['controller_IP']))
#~ print 'STA ' + str(sta.params['mac']) + 'is ASSOCIATED to '+ ap.name + ' With RSSI ' + str(ap.params['stationsInRange'][sta])
if WmediumdServerConn.connected and dist >= 0.01:
WmediumdServerConn.send_snr_update(
WmediumdSNRLink(sta.wmediumdIface, ap.wmediumdIface,
sta.params['snr'][wlan]))
elif ap != sta.params['associatedTo'][wlan] and sta.params[
'x'] > 0 and ap.func[0] == 'ap':
#~ ap.params['out'][sta.params['mac'][0]]=True
#~ print 'STA ' + str(sta.params['mac']) + 'is in RANGE of '+ ap.name + ' With RSSI ' + str(ap.params['stationsInRange'][sta])
ap.cmdPrint(
'echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %
(sta.params['mac'][0], ap.params['stationsInRange'][sta],
"RANGE", 1, ap.params['controller_IP']))
#~ ap.cmd('echo "%s,%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],['RANGE'],ap.params['controller_IP']))
sta.params['x'] = sta.params['x'] - 1
ap.params['InRgMacRSSI1'][sta.params['mac']
[0]] = ap.params['stationsInRange'][sta]
ap.params['r1_r2_sentevent'][0] = True
elif ap != sta.params['associatedTo'][wlan] and sta.params[
'y'] > 0 and ap.func[0] == 'ap':
#~ ap.params['out'][sta.params['mac'][0]]=False
#~ print 'STA ' + str(sta.params['mac']) + 'is in RANGE of '+ ap.name + ' With RSSI ' + str(ap.params['stationsInRange'][sta])
ap.cmdPrint(
'echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %
(sta.params['mac'][0], ap.params['stationsInRange'][sta],
"RANGE", 2, ap.params['controller_IP']))
#~ ap.cmdPrint('echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta], "DONE", 2, ap.params['controller_IP']))
#~ ap.cmd('echo "%s,%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta],['RANGE'],ap.params['controller_IP']))
sta.params['y'] = sta.params['y'] - 1
ap.params['InRgMacRSSI2'][sta.params['mac']
[0]] = ap.params['stationsInRange'][sta]
ap.params['r1_r2_sentevent'][1] = True
if ap.params['r1_r2_sentevent'] == [
True, True
] or ap.params['r1_r2_sentevent'] == [False, True]:
ap.params['r1_r2_sentevent'] = [False, False]
#~ if (ap.params['InRgMacRSSI1'] != {}) and (ap.params['InRgMacRSSI2'] != {}):
#~ if (ap.params['InRgMacRSSI1'][sta.params['mac'][0]] != None) and (ap.params['InRgMacRSSI2'][sta.params['mac'][0]] != None):
#~ print (ap.name, 'InRg', sta.params['mac'], ap.params['InRgMacRSSI2'][sta.params['mac'][0]] - ap.params['InRgMacRSSI1'][sta.params['mac'][0]])
#~ ap.cmd('echo "%s,%s,%s" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['InRgMacRSSI2'][sta.params['mac'][0]] - ap.params['InRgMacRSSI1'][sta.params['mac'][0]],'RANGE',ap.params['controller_IP']))
#~ elif ap.func[0]=='ap' and ap != sta.params['associatedTo'][wlan] and float(setChannelParams.getDistance(ap, sta))>=((float(ap.params['range']))-1) and outevent==True:
#~ if sta not in ap.params['associatedStations'] and ap.params['r1_r2_sentevent']==[True,False]:
#~ ap.cmdPrint('echo "%s,%s,%s,%d" > /dev/udp/%s/5005' %(sta.params['mac'][0], ap.params['stationsInRange'][sta], "OUT", 1, ap.params['controller_IP']))
setChannelParams.recordParams(sta, ap)