快速多线程ping

http://www.oschina.net/code/snippet_47318_4046

2011

python pexpect包应用一例
快速多线程ping

 

1. [代码][Python]代码      

#!/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