查看linux网络流量小程序: netiostat

#!/usr/bin/python#coding=utf-8#file : netiostat#author : flynetcnfrom __future__ import divisionimport sysimport osimport timeimport signalnetcmd = '/sbin/ifconfig eth0 | grep bytes'def getnetio(line):s1 = line.find('RX bytes:')+9e1 = line.find(' ', s1)neti = line[s1:e1]s2 = line.find('TX bytes:')+9e2 = line.find(' ', s2)neto = line[s2:e2]return (int(neti), int(neto))def int_handler(signum, frame):print ""sys.exit()signal.signal(signal.SIGINT, int_handler)line = os.popen(netcmd).readline().strip()netio = getnetio(line)neti_start = netio[0]neto_start = netio[1]time_start = time.time()count = 60while (count > 0):count -= 1time.sleep(1);info = []line = os.popen(netcmd).readline().strip()netio = getnetio(line)info.append("网络流入总量:%.4fm, 网络流出总量:%.4fm" % (netio[0]/1024/1024, netio[1]/1024/1024))time_curr = time.time()neti_total = netio[0]-neti_startneto_total = netio[1]-neto_startsec_total = time_curr-time_startneti_start = netio[0]neto_start = netio[1]time_start = time_currinfo.append("当前网络流入速度:%.4fk/s" % (neti_total/sec_total/1024))info.append("当前网络流出速度:%.4fk/s" % (neto_total/sec_total/1024))show = ", ".join(info)sys.stdout.write(show+"/r")sys.stdout.flush()print ""