python多线程扫描端口示例

# -*- 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
localhost135
localhost1028
localhost8048
localhost8080
localhost8181
localhost8730
localhost12040
localhost12897
localhost18040
localhost18611
''''''Tue Jan 14 10:04:58 2014
localhost135
localhost1028
localhost8048
localhost8080
localhost8181
localhost12897
localhost18040
localhost18611
'''

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