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Tests for implementations of L{IReactorUDP} and L{IReactorMulticast}.
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Raised by BadClient at the end of every datagramReceived call to try and
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A DatagramProtocol which always raises an exception from datagramReceived.
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Set the Deferred which will be called back when datagramReceived is
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The C{type} of the host address of a listening L{DatagramProtocol}'s
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The L{DatagramProtocol}'s C{startProtocol} and C{stopProtocol}
methods are called when its transports starts and stops listening,
respectively.
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Re-listening with the same L{DatagramProtocol} re-invokes the
C{startProtocol} callback.
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A L{CannotListenError} exception is raised when attempting to bind a
second protocol instance to an already bound port
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Datagrams can be sent with the transport's C{write} method and
received via the C{datagramReceived} callback method.
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clientStartedr r r �cbServerStarted� s z2UDPTests.test_sendPackets.<locals>.cbServerStartedc s� �j �d�j �� j� �j �� }�j �� }t�� }�_�j �d|j|jf� ddd|j|jffg�� ���fdd�� tj � d �|gdd �S )
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�z2UDPTests.test_sendPackets.<locals>.cbSendsFinishedc s$ t jt �� j�t ��jj�gdd�S �NTrs )r rw r rH re rR )rT r r r rc � s
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A L{ConnectionRefusedError} exception is raised when a connection
attempt is actively refused by the other end.
Note: This test assumes no one is listening on port 80 UDP.
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assertFailurer r4 )rI r5 �ir} r r rL s z2UDPTests.test_connectionRefused.<locals>.cbStartedc s" t jt �� j�t ��j�gdd�S r )r rw r rH rR )rX re r r rc ) s
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A call to the transport's connect method fails with an
L{InvalidAddressError} when a non-IP address is passed as the host
value.
A call to a transport's connect method fails with a L{RuntimeError}
when the transport is already connected.
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r8 r rN r^ r �InvalidAddressErrorr] ru � RuntimeErrorrH )r rf rX r r r �test_badConnect5 s �zUDPTests.test_badConnectc s� t �� ��fdd�}��|� t� �tjd�dd���fdd�}��|� ��� � tt d���g �� ������fd d
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When datagramReceived raises an exception it is logged but the port
is not disconnected.
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Send one packet to the listening BadClient. Set up a 0.1 second
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packets have been received by the BadClient, stop sending and let
the finalDeferred's callbacks do some assertions.
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maybe finish the test.
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one. It doesn't matter if the packet for which this was the
timeout eventually arrives: makeAttempt throws away the
Deferred on which this function is the errback, so when
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it won't raise an AlreadyCalledError.
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C{'<broadcast>'} is an alternative way to say C{'255.255.255.255'}
({socket.gethostbyname("<broadcast>")} returns C{'255.255.255.255'}),
so because it becomes a valid IP address, no deprecation warning about
passing hostnames to L{twisted.internet.udp.Port.write} needs to be
emitted by C{write()} in this case.
c @ r7 )z6UDPTests.test_NoWarningOnBroadcast.<locals>.fakeSocketc S s d S r r )r �foo�barr r r �sendto� s z=UDPTests.test_NoWarningOnBroadcast.<locals>.fakeSocket.sendtoN)r! r" r# r� r r r r �
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flushWarnings�test_NoWarningOnBroadcastrF r� )r r� rK �warningsr r r r� � s z"UDPTests.test_NoWarningOnBroadcastN)r! r" r# rQ rV r\ rd r� r �os�environ�getr� r� r� r� r r r r r@ o s D�
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� ReactorShutdownInteractionTestsz!Test reactor shutdown interactionNr? c C s t � | _tjd| jdd�| _dS )zStart a UDP portr rA rB N)r$ rP r rN rX r r r r �setUp� s z%ReactorShutdownInteractionTests.setUpc C s
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z(ReactorShutdownInteractionTests.tearDownc sh t �� � t �� }�j_� �fdd�}|�|� �fdd�}� �|� �jj�dd�jj�� jf� � S )z0Test reactor shutdown while in a recvfrom() loopc s �j j�� t�d� jd � d S rm )rP r] �connectionLostr r� r rR ��finishedr r r �pktRece� s zQReactorShutdownInteractionTests.testShutdownFromDatagramReceived.<locals>.pktRecec s � � � d S r )r� rR r r r � flushErrors� s zUReactorShutdownInteractionTests.testShutdownFromDatagramReceived.<locals>.flushErrorss@ rA ) r r rP r' rO r] rn rE rX )r �prr� r� r r� r � testShutdownFromDatagramReceived� s
�z@ReactorShutdownInteractionTests.testShutdownFromDatagramReceived) r! r" r# r; r � IReactorUDPr �skipr� r� r� r r r r r� � s r� �'This reactor does not support multicastc @ s� e Zd Zej�d�dkrej�� rdZ e
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zMulticastTests.setUpc C s t t| jj�t| jj�g�S r )r
r rT rH re r r r r r� s
��zMulticastTests.tearDownc C sF | j | jfD ]}| �|j�� d� |j�d� | �|j�� d� qd S )Nr r� )rf rP rF r] �getTTL�setTTL)r �or r r �testTTL s
�zMulticastTests.testTTLc sx �� �jj�� d� �jj�� � �jj�d�}� �fdd�}|�|� � �fdd�}|�|� �fdd�}|�|� |S ) zv
Test that after loopback mode has been set, multicast packets are
delivered to their sender.
r � 225.0.0.250c s( t � }�j_�jj�dd� jf� |S )Nri r� �r rP r' r] rn rX �rI r �r) r r r �cbJoined* s z.MulticastTests.test_loopback.<locals>.cbJoinedc sf �� t�jj�d� �jj�d� �� �jj�� d� �jj�dd� jf� t � }t
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rF r� rP r r] �setLoopbackMode�getLoopbackModern rX r r r� r r� r� r r �cbPacket1 s z.MulticastTests.test_loopback.<locals>.cbPacketc s � � t� jj�d� d S r )rF r� rP r rR r r r �
cbNoPacket> s z0MulticastTests.test_loopback.<locals>.cbNoPacket)rF rP r] r� rE � joinGrouprO )r �joinedr� r� r� r r� r �
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z MulticastTests.test_loopbackc sj � � � jj�� d� � � � jj�� d� � jj�d�}� jj�d�}t||g�}� fdd�}|�|� |S )zK
Test C{getOutgoingInterface} and C{setOutgoingInterface}.
z0.0.0.0rA c s, � � � jj�� d� � � � jj�� d� d S )NrA )rF rf r] �getOutgoingInterfacerP rR r r r � cbInterfacesP s z3MulticastTests.test_interface.<locals>.cbInterfaces)rF rf r] r� rP �setOutgoingInterfacer
rO )r �d1�d2r� r� r r r �test_interfaceE s
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Test that multicast a group can be joined and left.
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leaveGrouprR r r r � clientJoined] � z3MulticastTests.test_joinLeave.<locals>.clientJoinedc r� r� )rP r] r� rR r r r �
clientLeftb r� z1MulticastTests.test_joinLeave.<locals>.clientLeftc r� r� )rP r] r� rR r r r � serverJoinedg r� z3MulticastTests.test_joinLeave.<locals>.serverJoined)rf r] r� rO )r r r� r� r� r r r �test_joinLeaveW s
z MulticastTests.test_joinLeavez2Windows' UDP multicast is not yet fully supported.c C s | � | jj�d�tj�S )z�
Test that an attempt to join an address which is not a multicast
address fails with L{error.MulticastJoinError}.
rA )r� rf r] r� r �MulticastJoinErrorr r r r �test_joinFailureo s
�z MulticastTests.test_joinFailurec sv t � �t�d����jj�� � �jj�d�}� ��fdd�}|�|� �fdd�}|�|� �fdd�}|�|� |S ) zn
Test that a multicast group can be joined and messages sent to and
received from it.
r r� c s& t � }�j_�j�dd� jf� |S )N� hello worldr� r� r� )r) �cr r r r� � s z/MulticastTests.test_multicast.<locals>.cbJoinedc s � � � jjd d d� d S �Nr r� )rF rP r rR r r r r� � s z/MulticastTests.test_multicast.<locals>.cbPacketc s t �j�}|�� fdd�� |S )Nc r� r r r� �� passthroughr r r� � r� z@MulticastTests.test_multicast.<locals>.cleanup.<locals>.<lambda>)r rH rO �r� r� )rK r� r �cleanup� s
z.MulticastTests.test_multicast.<locals>.cleanup)r$ r r� rP r] rE r� rO )r r� r� r� r� r )r) r� rK r r �test_multicast} s
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Test that multiple sockets can listen on the same multicast port and
that they both receive multicast messages directed to that address.
r T)�listenMultipler� c s6 t � }� _t � }�_� j�d��f� t||g�S )Nr� )r r' r] rn r
)rI r� r� )� firstClient�portno� secondClient�theGroupr r r� � s z5MulticastTests.test_multiListen.<locals>.serverJoinedc s0 �� � jd d d� �� �jd d d� d S r� )rF r rR )r� r� r r r �
gotPackets� s z3MulticastTests.test_multiListen.<locals>.gotPacketsc s. t t�j�t�j�g�}|�� fdd�� |S )Nc r� r r r� r� r r r� � r� zBMulticastTests.test_multiListen.<locals>.cleanup.<locals>.<lambda>)r
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secondPortr� r r� � s ��z0MulticastTests.test_multiListen.<locals>.cleanup) r$ r r� rE rX r
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r �twisted.pythonr �twisted.trial.unittestr
r �DatagramProtocolr$ �ConnectedDatagramProtocolr, r8 r� r: r< r� r@ r� r r� r r r r �<module> s0 W6 �