python每日一练之20170611

#!/usr/local/bin/python
#-*- coding: UTF-8 -*-

#端口扫描器
import socket
import thread
import time
socket.setdefaulttimeout(3)  #设置了全局默认超时时间

def socket_port(ip,PORT):  #扫描开放端口
    try:
        if PORT>=65535:
            print u"端口扫描结束0-65535"
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        #s.settimeout(float(1))  #延时5S
        #s.connect((ip,PORT))
        result=s.connect_ex((ip,PORT))
        if(result==0):
            print ip,u":",PORT,u"端口开放"
        s.close()
    except:
        print u"扫描端口异常2"

def IP__port(data): #扫描端口
    try:
        #data="127.0.0.1"
        t=time.time()
        for i in range(0,1000 + 1):   #65535
            thread.start_new_thread(socket_port,(data,int(i)))
            time.sleep(0.003) #确保先运行Seeker中的方法
        print u‘扫描端口完成用时 time:%f‘ % (time.time()-t)
    except:
        print u"扫描端口异常1"

if __name__==‘__main__‘:
    #socket_port("127.0.0.1",21)  #扫描开放端口
    IP__port("127.0.0.1") #多线程