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
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
'''

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