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Python version of Linux traffic monitoring, directly on the code, passing parameters to use OptionParser
from __future__ import division
import re
import time
from optparse import OptionParser
def getbandwidth (eth = 'eth0', intevel = 1):
a = open ( '/ proc / net / dev')
data = a.read ()
patten = eth + '. *'
if not re.search (patten, data):
print "The ETHname not have"
exit (1)
. Rev_old = re.search (patten, data) .group () replace ( ':', '') .split () [1]
. Send_old = re.search (patten, data) .group () replace ( ':', '') .split () [9]
a.close ()
while True:
#print intevel
time.sleep (int (intevel))
a = open ( '/ proc / net / dev')
data = a.read ()
. Rev = re.search (patten, data) .group () replace ( ':', '') .split () [1]
. Send = re.search (patten, data) .group () replace ( ':', '') .split () [9]
diff_Rev = int (Rev) -int (Rev_old)
diff_Sen = int (Send) -int (Send_old)
diff_M = diff_Rev * 8/1024/1024 / int (intevel)
diff_S = diff_Sen * 8/1024/1024 / int (intevel)
print time.strftime ( "% Y% m% d% H:% M:% S") + 'The Recevie is% 6.2f Mbps (byte is% d)'% (diff_M, diff_Rev) + 'The Send is% 6.2f Mbps (byte is% d) '% (diff_S, diff_Sen)
Rev_old = Rev
Send_old = Send
a.close ()
if __name __ == '__ main__':
import sys
usage = '' '% prog [-i ethname] [-t interveltime]
Example:% prog -i eth0 -t 1 '' '
parser = OptionParser (usage = usage, version = '2.0_20150602')
parser.add_option ( '- i', '- interface', dest = 'interface', default = 'eth0', help = 'Wann to interface')
parser.add_option ( '- t', '- time', dest = 'intevel', type = 'int', default = '1', help = 'The intevel time')
(Options, args) = parser.parse_args ()
print "The interafce is% s and the intevel time is% d"% (options.interface, options.intevel)
getbandwidth (options.interface, options.intevel)
Instructions:
'' '% Prog [-i ethname] [-t interveltime]
Example:% prog -i eth0 -t 1 '' '
The default is eth0, the interval is 1 |
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