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from collections import namedtuple
Data = namedtuple('Data', ['hostname', 'device', 'entry', 'value'])
temp = {}
def job(device, entry, intervals):
global temp
f = open('/sys/class/net/' + device + '/statistics/' + entry, 'r')
value = f.read()
ivalue = int(value.replace("\n", ""))
f.close()
return_value = []
if entry in temp:
rate = (ivalue - temp[entry]) / intervals # bytes/s
if rate > 0:
# prevent counter overflows
return_value = [Data('laer.2.localnet.cc', device, entry, rate)]
temp[entry] = ivalue
return return_value
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