linux 統計網卡流量小腳本

#!/usr/bin/python

#

#       zhaoyun

import re,time,sys,string

file = "/proc/net/dev"

def get_eth(eth):

        ethx = []

        for i in eth.split(','):

                ethx.append(i)

        return ethx

def get_data(ethx):

        f    = open(file,"r").readlines()

        for i in f:

                r =  re.findall(r"%(ethx)s:.*." % vars(),i)

                if r:

                        a =  "".join(r).split()

                        input   =  a[0].split(':')[1:]

                        for input_value in input:

                                input = int(input_value)

                        output  =  int(a[8])

                        return input,output

def get_data_value(eth):

        data = []

        for ethx in eth:

                data1 = get_data(ethx)

                data.append(data1)

        return data

def count_value_input(data,n,l):

        count = 1

        for i in data:

                if count == n:

                        try:

                                for inp in i:

"1.py" 125L, 2227C written                                                                                                                           3,2-8         Top

        for i in range(1,len(dataa)+1):

                inp1 = count_value_input(dataa,i,i)

                inp2 = count_value_input(datab,i,i)

                print_(inp1,inp2,"input",i,eth)

                out1 = count_value_output(dataa,i,i)

                out2 = count_value_output(datab,i,i)

                print_(out1,out2,"output",i,eth)

def get_param(para,number):

        c = 0

        count = 0

        p = []

        try:

                for i in sys.argv:

                        if i == para:

                                p.append(sys.argv[c+1])

                                count+=1

                        c +=1

                        if count == int(number):

                                return string.join(p)

        except Exception:

                return i+' Parameter Error'

def help_():

        print '''

        python %s -T 1 -I eth0,eth1,lo  

        ''' %(sys.argv[0])

eth  = get_param("-I",1)

Time = get_param("-T",1)

if eth and Time:

                Time = int(Time)

                print "Time error"

                sys.exit(2)

        start_(eth,Time)

else:

        help_()

使用方法：

#python 1.py -T 1 -I eth0,eth1

eth0    input   :18854

eth0    output  :1844

eth1    input   :836

eth1    output  :836

本文轉自zhaoyun00 51CTO部落格，原文連結:http://blog.51cto.com/zhaoyun/1232740