#!/usr/bin/python  #_*_coding:utf-8_*_  #  '''  名称：快速多线程ping程序  '''     import pexpect  import datetime  from threading import Thread     host=["192.168.1.1","192.168.1.123","192.168.2.1",  "192.168.1.1","192.168.1.123","192.168.2.1",  "192.168.1.1","192.168.1.123","192.168.2.1",  "192.168.1.1","192.168.1.123","192.168.2.1",  "192.168.1.1"]     report_ok=[]  report_error=[]  class PING(Thread):      def __init__(self,ip):          Thread.__init__(self)          self.ip=ip      def run(self):          Curtime = datetime.datetime.now()            #Scrtime = Curtime + datetime.timedelta(0,minute,0)          #print("[%s]主机[%s]" % (Curtime,self.ip))          ping=pexpect.spawn("ping -c1 %s" % (self.ip))          check=ping.expect([pexpect.TIMEOUT,"1 packets transmitted, 1 received, 0% packet loss"],2)          if check == 0:              print("[%s] 超时 %s" % (Curtime,self.ip))             elif check == 1:              print ("[%s] %s 可达" % (Curtime,self.ip))             else:              print("[%s] 主机%s 不可达" % (Curtime,self.ip))        #多线程同时执行  T_thread=[]  for i in host:      t=PING(i)      T_thread.append(t)  for i in range(len(T_thread)):      T_thread[i].start()  #  #print ("\n=========问题主机情况如下==========\n")  #output(report_error)  #print ("\n=========正常主机情况如下==========\n")  #output(report_ok)        执行结果：  administrator@nagios:/win/pexpect$ ./ping.py  [2014-04-25 21:30:22.126981] 192.168.1.1 可达  [2014-04-25 21:30:22.148376] 192.168.1.1 可达  [2014-04-25 21:30:22.179846] 192.168.1.1 可达  [2014-04-25 21:30:22.203691] 192.168.1.1 可达  [2014-04-25 21:30:22.227696] 192.168.2.1 可达  [2014-04-25 21:30:22.134049] 超时 192.168.1.123  [2014-04-25 21:30:22.145610] 超时 192.168.2.1  [2014-04-25 21:30:22.157558] 超时 192.168.1.123  [2014-04-25 21:30:22.167898] 超时 192.168.2.1  [2014-04-25 21:30:22.197572] 超时 192.168.1.123  [2014-04-25 21:30:22.202430] 超时 192.168.2.1  [2014-04-25 21:30:22.215561] 超时 192.168.1.123  [2014-04-25 21:30:22.229952] 超时 192.168.1.1