本文实例讲述了Python基于多线程实现ping扫描功能。分享给大家供大家参考，具体如下：
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# -*- coding:utf-8 -*-#! python2import subprocessfrom Queue import Queueimport threadingclass Pinger(object): def __init__(self, ip_list, thread_num=2): self._ip_list = ip_list self._thread_num = thread_num self._queue = Queue(len(ip_list)) def ping(self, thread_id): while True: if self._queue.empty(): break addr = self._queue.get() print 'Thread %s: Ping %s' % (thread_id, addr) ret = subprocess.call('ping -c 1 %s' % (addr), shell=True, stdout=open("/dev/null", 'w'), stderr=subprocess.STDOUT) if ret == 0: print '%s: is still alive' % addr else: print '%s: did not respond ' % addr self._queue.task_done() #unfinished tasks -= 1 def run(self): for ip in self._ip_list: self._queue.put(ip) #unfinished_tasks += 1 print '---------------------task begin------------------' for i in range(self._thread_num): thrd = threading.Thread(target=self.ping, args=(i + 1,)) #thrd.setDaemon(True) thrd.start() self._queue.join() # 主线程一直阻塞，一直等到Queue.unfiinshed_tasks == 0 print '---------------------task done-------------------' |
希望本文所述对大家Python程序设计有所帮助。
原文链接：http://www.cnblogs.com/hupeng1234/p/6729810.html
