python实现linux下抓包并存库功能

from apscheduler.scheduler import Scheduler
import os
import sys
import time
import MySQLdb
import ConfigParser
import Logger

def main():

  logger = Logger.Logger(logname='flowstat.log', loglevel=1, logger='flowstat').getlog()

  try:
    cf = ConfigParser.ConfigParser()
    cf.read('./flowstat.conf')

    filterNet1 = cf.get('packet', 'filterNet1')
    filterNet2 = cf.get('packet', 'filterNet2')
    packetFile = cf.get('packet', 'packetFile')

    db_host = cf.get('db', 'host')
    db_user = cf.get('db', 'user')
    db_passwd = cf.get('db', 'passwd')
    db_dbname = cf.get('db', 'dbname')

    conn = MySQLdb.connect(host=db_host, user=db_user, passwd=db_passwd, db=db_dbname, port=3306)

    os.system('nohup ./capturePacket.sh ' + filterNet1 + ' ' + filterNet2 + ' ' + packetFile + ' &')
  except Exception, e:
    logger.error(e)
    sys.exit(1)


  sched = Scheduler(daemonic = False)
  @sched.cron_schedule(day_of_week='0-4', hour='*', minute='0-59', second='*/60')
  def packagestat_job():
    logger.debug('stat package' + ' ' + time.strftime("%Y-%m-%d %H:%M:%S"))
    try:
      fos = open(packetFile, 'r+')
      lines = fos.readlines()
      values = []
      for line in lines:
        arr = line.split(',')
        if len(arr) > 4:
          values.append((arr[0].strip(), arr[2].strip(), arr[3].strip(), arr[4].strip()))

      if len(values) > 0:
        cur = conn.cursor()
        cur.executemany('insert into tbpk_packet(TimesMacs, LengthIps, Seq, Ack) values(%s,%s,%s,%s)', values)
        conn.commit()
        cur.close()

      fos.truncate(0)
      fos.close()
    except Exception, e3:
      Logger.error(e3)


  sched.start()

  while 1:
    time.sleep(60)

  conn.close()

if __name__ == '__main__':
  main()

shell脚本
#!/bin/sh
tcpdump -i eth0 -l >> *.txt