Python实现快速多线程ping的方法

本文实例讲述了Python实现快速多线程ping的方法。分享给大家供大家参考。具体如下：

#!/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 ("\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
[2011-04-25 21:30:22.126981] 192.168.1.1 可达
[2011-04-25 21:30:22.148376] 192.168.1.1 可达
[2011-04-25 21:30:22.179846] 192.168.1.1 可达
[2011-04-25 21:30:22.203691] 192.168.1.1 可达
[2011-04-25 21:30:22.227696] 192.168.2.1 可达
[2011-04-25 21:30:22.134049] 超时 192.168.1.123
[2011-04-25 21:30:22.145610] 超时 192.168.2.1
[2011-04-25 21:30:22.157558] 超时 192.168.1.123
[2011-04-25 21:30:22.167898] 超时 192.168.2.1
[2011-04-25 21:30:22.197572] 超时 192.168.1.123
[2011-04-25 21:30:22.202430] 超时 192.168.2.1
[2011-04-25 21:30:22.215561] 超时 192.168.1.123
[2011-04-25 21:30:22.229952] 超时 192.168.1.1

希望本文所述对大家的Python程序设计有所帮助。