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Tests for implementations of L{IReactorUDP} and the UDP parts of
L{IReactorSocket}.
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GoodClient�Server)�SkipTestc C sJ d} d}zt � t j�} | �d� d}W n ty Y nw | r#| �� |S )z4Returns True if the system can bind an IPv6 address.NF)�::1r T)�socket�AF_INET6�bind�OSError�close)�sock�has_ipv6� r �@/usr/lib/python3/dist-packages/twisted/internet/test/test_udp.py� _has_ipv6! s
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Mixin defining tests which apply to any port/datagram based transport.
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When a port starts, a message including a description of the associated
protocol is logged.
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When a connection is lost a message is logged containing an
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L{DatagramProtocol.stopProtocol} is called asynchronously (ie, not
re-entrantly) when C{stopListening} is used to stop the datagram
transport.
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Tests for L{IReactorUDP.listenUDP} and
L{IReactorSocket.adoptDatagramPort}.
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L{IReactorUDP.listenUDP} returns an object providing L{IListeningPort}.
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L{IListeningPort.getHost} returns an L{IPv4Address} giving a
dotted-quad of the IPv4 address the port is listening on as well as
the port number.
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L{IListeningPort.getHost} returns an L{IPv6Address} when listening on
an IPv6 interface.
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An L{InvalidAddressError} is raised when trying to listen on an address
that isn't a valid IPv4 or IPv6 address.
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Datagram transports implement L{ILoggingContext.logPrefix} to return a
message reflecting the protocol they are running.
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C{str()} on the listening port object includes the port number.
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C{repr()} on the listening port object includes the port number.
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Writing to an IPv6 UDP socket on the loopback interface succeeds.
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Send a datagram from the client once it's started.
@param ignored: a list of C{[None, None]}, which is ignored
@returns: a deferred which fires when the server has received a
datagram.
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Stop the reactor after a datagram is received.
@param ignored: L{None}, which is ignored
@returns: L{None}
Nr= r? rA r r! �cbServerReceived, s zEUDPPortTestsMixin.test_writeToIPv6Interface.<locals>.cbServerReceivedr r� N�r1 r r r �startedDeferredr2 r rL r3 �
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An IPv6 address can be passed as the C{interface} argument to
L{listenUDP}. The resulting Port accepts IPv6 datagrams.
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Writing to a hostname instead of an IP address will raise an
L{InvalidAddressError}.
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Writing to an IPv6 address on an IPv4 socket will raise an
L{InvalidAddressError}.
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Connecting to a hostname instead of an IP address will raise an
L{InvalidAddressError}.
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L{IListeningPort.setBroadcastAllowed} sets broadcast to be allowed
on the socket.
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Run L{UDPPortTestsMixin} tests using newly created UDP
sockets.
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Get a UDP port from a reactor.
@param reactor: A reactor used to build the returned
L{IListeningPort} provider.
@type reactor: L{twisted.internet.interfaces.IReactorUDP}
@see: L{twisted.internet.IReactorUDP.listenUDP} for other
argument and return types.
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Run L{UDPPortTestsMixin} tests using adopted UDP sockets.
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Get a UDP port from a reactor, wrapping an already-initialized file
descriptor.
@param reactor: A reactor used to build the returned
L{IListeningPort} provider.
@type reactor: L{twisted.internet.interfaces.IReactorSocket}
@param port: A port number to which the adopted socket will be
bound.
@type port: C{int}
@param interface: The local IPv4 or IPv6 address to which the
adopted socket will be bound. defaults to '', ie all IPv4
addresses.
@type interface: C{str}
@see: L{twisted.internet.IReactorSocket.adoptDatagramPort} for other
argument and return types.
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