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123123123123
.....................................................................................................................................ó
Afc           @   sQ   d  d l  Z  d  d l Td
 Z d Z d „  Z d „  Z d „  Z d	 „  Z e ƒ  d S(   iÿÿÿÿN(   t   *iPÃ  i   i   c           C   sd   t  t j ƒ d k  r t ƒ  n  t j d d k r< t ƒ  n$ t j d d k rY t ƒ  n t ƒ  d  S(   Ni   i   s   -ss   -c(   t   lent   syst   argvt   usaget   servert   client(    (    (    s,   /usr/lib64/python2.7/Demo/sockets/udpecho.pyt   main   s    


c           C   s'   t  j t  _ d GHd GHt  j d ƒ d  S(   Ns,   Usage: udpecho -s [port]            (server)s,   or:    udpecho -c host [port] <file (client)i   (   R   t   stderrt   stdoutt   exit(    (    (    s,   /usr/lib64/python2.7/Demo/sockets/udpecho.pyR      s    c          C   s—   t  t j ƒ d k r+ t t j d ƒ }  n t }  t t t ƒ } | j d |  f ƒ d GHx8 | j	 t
 ƒ \ } } d | | f GH| j | | ƒ q[ Wd  S(   Ni   t    s   udp echo server readys   server received %r from %r(   R   R   R   t   evalt	   ECHO_PORTt   sockett   AF_INETt
   SOCK_DGRAMt   bindt   recvfromt   BUFSIZEt   sendto(   t   portt   st   datat   addr(    (    s,   /usr/lib64/python2.7/Demo/sockets/udpecho.pyR      s    c          C   sâ   t  t j ƒ d k  r t ƒ  n  t j d }  t  t j ƒ d k rW t t j d ƒ } n t } |  | f } t t t ƒ } | j	 d ƒ d GHxQ t j
 j ƒ  } | s¦ Pn  | j | | ƒ | j t ƒ \ } } d | | f GHq Wd  S(   Ni   i   R   i    s$   udp echo client ready, reading stdins   client received %r from %r(   R   i    (   R   R   R   R   R   R   R   R   R   R   t   stdint   readlineR   R   R   (   t   hostR   R   R   t   lineR   t   fromaddr(    (    s,   /usr/lib64/python2.7/Demo/sockets/udpecho.pyR   +   s"    
iWÃ  (   R   R   R   R   R   R   R   R   (    (    (    s,   /usr/lib64/python2.7/Demo/sockets/udpecho.pyt   <module>   s   
	
			