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 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 ("
=========问题主机情况如下==========
")
#output(report_error)
#print ("
=========正常主机情况如下==========
")
#output(report_ok)