# -*- coding: cp936 -*- import socket from threading import Thread,activeCount,Lock from time import ctime mutex = Lock() class Loop(Thread):     def __init__(self,ip,port,que):         Thread.__init__(self)         self.ip     = ip         self.port   = port         self.que    = que     def run(self):         global mutex         try:             client = socket.socket()             indicator = client.connect_ex((self.ip,self.port))             if mutex.acquire(1):                 if indicator == 0:                     que.append(self.ip+'\t'+str(self.port))                 else:                     print self.ip,'\t',str(self.port),'不可达'                 mutex.release()         except:             if mutex.acquire(1):                 print self.ip,'\t',str(self.port),'不可达'                 mutex.release() class Main(Thread):     def __init__(self,ip,que):         Thread.__init__(self)         self.ip  = ip         self.que = que     def run(self):         i = 0         while i < 65536:             if activeCount() <= 200:                 Loop(ip=self.ip,port=i,que=self.que).start()                 i = i + 1 if __name__ == '__main__':     que = []     ip = raw_input('IP=')     main = Main(ip = ip,que = que)     main.start()     while True:         if activeCount() <= 1 and main.isAlive() == False:             break     print ''     f = open('portOpen.py','a')     f.write("'''")     f.write(ctime()+'\n')     f.flush()     for i in range(0,len(que)):         print que[i]         f.write('\t'+que[i]+'\n')         f.flush()     f.write("'''")     f.close()     raw_input() '''Mon Jan 13 07:12:53 2014  localhost 135  localhost 1028  localhost 8048  localhost 8080  localhost 8181  localhost 8730  localhost 12040  localhost 12897  localhost 18040  localhost 18611 ''''''Tue Jan 14 10:04:58 2014  localhost 135  localhost 1028  localhost 8048  localhost 8080  localhost 8181  localhost 12897  localhost 18040  localhost 18611 '''