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import unittest
import time
import uuid
import iperf3
import netifaces
from test.helpers.iw import iwScan
from test.helpers.utils import save_json_to_disk
from test.helpers.utils import station2Port
class Qwifi(unittest.TestCase):
__serverip = None
__numbytestx = None
__bwexpected = None
__port = None
params = None
__bwreal = None
__resultlist = None # resultlist is a python list of python dictionaries
timebetweenattempts = 5
# varlist content: serverip, bwexpected, port
def __init__(self, testname, testfunc, varlist):
self.params = varlist
super(Qwifi, self).__init__(testfunc)
self._testMethodDoc = testname
self.__xmlObj = varlist["xml"]
self.__QwifiName = varlist.get('name', 'qwifi')
self.__loops = varlist.get('loops', self.__xmlObj.getKeyVal(self.__QwifiName, "loops", "1"))
self.__port = varlist.get('port', self.__xmlObj.getKeyVal(self.__QwifiName, "port", "5000"))
self.__bw = varlist.get('bwexpected', self.__xmlObj.getKeyVal(self.__QwifiName, "bwexpected", "5.0"))
self.__serverip = varlist.get('serverip', self.__xmlObj.getKeyVal(self.__QwifiName, "serverip", "localhost"))
self.__duration = varlist.get('duration', self.__xmlObj.getKeyVal(self.__QwifiName, "duration", "10"))
self.__interface = varlist.get('interface', self.__xmlObj.getKeyVal(self.__QwifiName, "interface", "wlan0"))
self.__toPath = varlist.get('to', self.__xmlObj.getKeyVal(self.__QwifiName, "to", "/mnt/station_ramdisk"))
self.__retriesCount = varlist.get('retries', self.__xmlObj.getKeyVal(self.__QwifiName, "retries", "5"))
self.__waitRetryTime = varlist.get('wait_retry', self.__xmlObj.getKeyVal(self.__QwifiName, "wait_retry", "10"))
self.__wifi_res_file = varlist.get('wifi_res_file', self.__xmlObj.getKeyVal(self.__QwifiName, "wifi_res_file", "wifi_test_{}.json"))
self.__wifi_st_file = varlist.get('wifi_st_file', self.__xmlObj.getKeyVal(self.__QwifiName, "wifi_st_file", "wifi_st_{}.json"))
self.__file_uuid = uuid.uuid4()
self.__wifi_res_file = self.__wifi_res_file.format(self.__file_uuid)
self.__wifi_st_file = self.__wifi_st_file.format(self.__file_uuid)
self.__resultlist = []
def checkInterface(self, reqInterface):
ifaces = netifaces.interfaces()
for t in ifaces:
if t == reqInterface:
return True
return False
def execute(self):
self.__resultlist = []
stationList = {}
# check interfaces
if not self.checkInterface(self.__interface):
self.fail('Interface not found: {}'.format(self.__interface))
# scan networks
scanner = iwScan(self.__interface)
if scanner.scan():
stationList = scanner.getStations()
# check if we are connected
if not scanner.findConnected():
self.fail('Not connected to test AP')
else:
strError = scanner.getLastError()
self.fail('qWifi scanner Execution error: {}'.format(strError))
# Start Iperf
client = iperf3.Client()
client.duration = int(self.__duration)
client.server_hostname = self.__serverip
client.port = station2Port(self.__port)
count = int(self.__retriesCount)
while count > 0:
result = client.run()
if result.error == None:
if result.received_Mbps >= float(self.__bw) and result.sent_Mbps >= float(self.__bw):
save_json_to_disk(filePath='{}/{}'.format(self.__toPath, self.__wifi_st_file),
description='wifi scan',
mime='application/json',
json_data=stationList,
result=self.__resultlist)
save_json_to_disk(filePath='{}/{}'.format(self.__toPath, self.__wifi_res_file),
description='wifi {} iperf3'.format(self.__interface),
mime='application/json',
json_data=result.json,
result=self.__resultlist)
return
else:
self.fail('bw fail: rx:{} tx:{}'.format(result.received_Mbps, result.sent_Mbps))
else:
count = count - 1
time.sleep(int(self.__waitRetryTime))
self.fail('qWifi (max tries) Execution error: {}'.format(result.error))
def getresults(self):
return self.__resultlist
def gettextresult(self):
return ""
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