基于Python与psutil的服务器端口及系统资源监控脚本

import os
import time
import re
import smtplib
from email.mime.text import MIMEText
from email.header import Header
import socket
import psutil
while True:
 def jianca():
 print('[+]Write a port to a file')
 querys=os.popen('netstat -an').read()
 wsd=open('netstat.txt','w')
 wsd.write(querys)
 wsd.close()
 jianca()
 
 def swsd():
 global usd,ow
 wsd=open('netstat.txt','r')
 swd=wsd.read()
 odf=re.findall('(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d):(3389)',swd)
 usd=odf[0]
 print('[+]Query the IP address of a remote connection')
 df=usd[0],usd[1],usd[1],usd[3]
 wdst=".".join(df)
 ow=wdst+":"+usd[4]
 print(usd[0],'.',usd[1],'.',usd[2],'.',usd[3]+":",usd[4])
 swsd()
 
 def ipdw():
 global wdf,ip,timsd
 s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
 dw=s.connect(('8.8.8.8',80))
 ip=s.getsockname()[0]
 print('[+]loacl IP:',ip)
 wdf=os.popen('tasklist').read()
 timsd=time.strftime('%Y-%m-%d',time.localtime(time.time()))
 ipdw()
 
 def yunwei():
 global cput,cp
 cput=psutil.cpu_times()
 cp=psutil.disk_io_counters()
 yunwei()
 
 def stm():
 serder="搜狐邮箱@sina.cn"
 revw="收件箱@qq.com"
 zhengwen='[+]Query the IP address of a remote connection''{}\n' \
  '[+]loacl IP:{}\n' \
  '[+]A program running in the background:{}\n' \
  '[+]The user / system / idle time of statistical CPU:{}\n' \
  '[+]Disk I/O usage{}\n' \
  '[+]Last send time:{}\n' .format(ow,ip,wdf,cput,cp,timsd)
 msg=MIMEText(zhengwen)
 msg['From']=Header('你的搜狐邮箱@sina.cn')
 msg['TO']=Header('收件箱@qq.com','utf-8')
 sub="实时监控"
 msg['subject']=Header(sub,'utf-8')
 try:
  smtp=smtplib.SMTP()
  smtp.connect('smtp.sina.cn',25)
  smtp.login('搜狐邮箱@sina.cn','登录密码')
  smtp.sendmail(serder,revw,msg.as_string())
  print('[+]发送出')
 except Exception as g:
  print('[-]发送失败，原因:',g)
 stm()
 
 time.sleep(3600)