Python实现快速多线程ping的方法

#!/usr/bin/python#_*_coding:utf-8_*_#'''名称：快速多线程ping程序开发：gyhong gyh9711日期：20:51 2011-04-25'''import pexpectimport datetimefrom threading import Threadhost=["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)