端口复用，,端口复用及线程操作#co

端口复用，,端口复用及线程操作#co

端口复用及线程操作

#coding=utf-8import socketimport sysimport selectimport threadinghost='192.168.99.100'port=80class Thread(threading.Thread):    def __init__(self,buf,sockfd):        threading.Thread.__init__(self)        self.buf=buf        self.sockfd=sockfd    def run(self):      if len(self.buf)!=0:        if 'GET' in self.buf :    #判断是否是浏览器提交的数据如果是则将提交的数据转发至本地环回地址的80端口          s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)          s2.connect(('127.0.0.1',80))          s2.send(self.buf)          bufer=''          while 1:            recv_data=s2.recv(1024)            bufer+=recv_data            if len(recv_data)==0:              break          print bufer,len(bufer)           if len(bufer)==0:            pass                     self.sockfd.send(bufer)    #将服务器发送的数据发回客户端          s2.close          self.sockfd.close           sys.exit()        else:          'ps:connect to ssh'  #如果数据不是浏览器提交则将其转发至本地的22端口          s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)          s2.connect(('127.0.0.1',22))          s2.send(self.buf)          recv_data=s2.recv(4096)          conn.send(recv_data)          self.sockfd.close          s2.close s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)s.setsockopt( socket.SOL_SOCKET, socket.SO_REUSEADDR, 1 )  #端口复用的关键点s.bind((host,port))s.listen(10)while 1:  infds,outfds,errfds=select.select([s,],[],[],5)  #使用select函数进行非阻塞操作  if len(infds)!=0:    conn,(addr,port)=s.accept()    print 'connected by',addr,port    data=conn.recv(1024)    t=Thread(data,conn)    t.start()s.close