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Various asynchronous UDP classes.

Please do not use this module directly.

Maintainer: Itamar Shtull-Trauring
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implements(tplatformTypetwin32(tWSAEWOULDBLOCK(tWSAEINTR(tWSAEMSGSIZE(tWSAECONNREFUSED(t
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interfacestPortcBs�eZdZeejejej�ej	Z
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    UDP port, listening for packets.
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        Initialize with a numeric port to listen on.
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<%s on %s>s<%s not connected>(t_realPortNumberRRt	__class__(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt__repr__BscCs|jS(s)
        Return a socket object.
        (tsocket(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt	getHandleHscCs|j�|j�dS(s�
        Create and bind my socket, and begin listening on it.

        This is called on unserialization, and must be called after creating a
        server to begin listening on the specified port.
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_getLogPrefixRt	connectedtfileno(R tskttle((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR(Xs			cCs|jj|�|j�dS(N(RtmakeConnectiontstartReading(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR)jscCs�d}x�||jkr�y|jj|j�\}}Wntjk
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        Called when my socket is ready for reading.
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        Write a datagram.

        @type datagram: C{str}
        @param datagram: The datagram to be sent.

        @type addr: C{tuple} containing C{str} as first element and C{int} as
            second element, or C{None}
        @param addr: A tuple of (I{stringified dotted-quad IP address},
            I{integer port number}); can be C{None} in connected mode.
        ismessage too longt.Rs<broadcast>s.Please only pass IPs to write(), not hostnamest
stackleveliN(RRtAssertionErrorR&tsendRR9R	twriteR
tMessageLengthErrorRRR:treplacetisdigittwarningstwarntDeprecationWarningtsendto(R tdatagramR@RARB((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyRH�s8	


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        'Connect' to remote server.
        s\already connected, reconnecting is not currently supported (talk to itamar if you want this)s/please pass only IP addresses, not domain namesN(RtRuntimeErrorRtisIPAddresst
ValueErrorR&tconnect(R thostR((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyRW�s	cCs0|j�|jr,|jjd|j�ndS(Ni(tstopReadingR1R"t	callLatertconnectionLost(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt_loseConnection�s
	cCs3|jrtj�}|_nd}|j�|S(N(R1RtDeferredtdRR\(R tresult((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt
stopListening�s
	
cCs$tjdtdd�|j�dS(Ns-Please use stopListening() to disconnect portREi(RLRMRNR`(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytloseConnection�scCs�tjd|j�d|_tjj||�|jj�|j	j
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        Cleans up my socket.
        s(UDP Port %s Closed)R^N(RR/R#RR
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        Initialize the C{logstr} attribute to be used by C{logPrefix}.
        s%s (UDP)N(R0Rtlogstr(R t	logPrefix((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR�scCs|jS(s0
        Return the prefix to log with.
        (Rg(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyRh�scCstjd|jj��S(si
        Returns an IPv4Address.

        This indicates the address from which I am connecting.
        tUDP(RtIPv4AddressR&R.(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytgetHost�siN(!t__name__t
__module__t__doc__RRtIListeningPortt
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    Implement multicast functionality.
    cCs4|jjtjtj�}tjtjd|��S(Ns@i(R&t
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setsockoptRxRy(R R@R}((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR�scCs|jjtjtj�S(N(R&RwRxtIP_MULTICAST_LOOP(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytgetLoopbackModescCs;tjdtj|��}|jjtjtj|�dS(Ntb(R{R|toperatorttruthR&R�RxR�(R tmode((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytsetLoopbackModescCs|jjtjtj�S(N(R&RwRxtIP_MULTICAST_TTL(R ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytgetTTLscCs2tjd|�}|jjtjtj|�dS(NtB(R{R|R&R�RxR�(R tttl((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pytsetTTLsRcCs"|jj|�j|j|d�S(s4Join a multicast group. Returns Deferred of success.i(R"RR�t
_joinAddr1(R R@R((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt	joinGroupscCs"|jj|�j|j||�S(N(R"RR�t
_joinAddr2(R R@RRQ((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR�#scCs�tj|�}tj|�}|r0tj}n	tj}y!|jjtj|||�Wn2tjk
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��SXdS(N(R&R�tIP_ADD_MEMBERSHIPtIP_DROP_MEMBERSHIPR�RxRRtFailuretMulticastJoinErrorR9(R RR@RQtcmdte((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR�&s	!cCs"|jj|�j|j|d�S(s2Leave multicast group, return Deferred of success.i(R"RR�R�(R R@R((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyt
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MulticastPortcBs9eZdZeej�ddded�Zd�Z	RS(s.
    UDP Port that supports multicasting.
    Ri cCs)tj||||||�||_dS(sX
        @see: L{twisted.internet.interfaces.IReactorMulticast.listenMulticast}
        N(RRtlistenMultiple(R RR!RRR"R�((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR>scCsctj|�}|jr_|jtjtjd�ttd�r_|jtjtjd�q_n|S(NitSO_REUSEPORT(	RR+R�R�R&t
SOL_SOCKETtSO_REUSEADDRRdR�(R R3((s8/usr/lib/python2.7/dist-packages/twisted/internet/udp.pyR+Es	N(
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