Python快速多线程ping实现详解编程语言

#!/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： 
[email protected]:/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