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iosim.cpython-312.pyc
� Ϫ�f�I � � � d Z ddlZ ddlmZ ddlmZmZ ddl m Z m Z ddl m Z mZ ddlmZ ddlmZmZ dd lmZ dd lmZ G d � d � Z ee j2 � G d � d� � Z ee j6 e j8 � G d� d� � Z d� Z d� Z G d� d� Z d d�Z!e e dddfd�Z"d� Z# G d� d� Z$d d �Z%y# e$ r Y ��w xY w) z0 Utilities and helpers for simulating a network � N)�Error)�directlyProvides� implementer)�error� interfaces)�TCP4ClientEndpoint�TCP4ServerEndpoint)�ConnectionRefusedError)�Factory�Protocol)�MemoryReactorClock)�Failurec �$ � e Zd Zd� Zdefd�Zd� Zy)�TLSNegotiationc �< � || _ || _ d| _ || _ y )NF)�obj� connectState�sent� readyToSend)�selfr r s �4/usr/lib/python3/dist-packages/twisted/test/iosim.py�__init__zTLSNegotiation.__init__ s � ���� (����� �'��� �returnc �" � d| j �d�S )NzTLSNegotiation(�))r �r s r �__repr__zTLSNegotiation.__repr__! s � � ���� �A�.�.r c � � | j j |j � s t � |_ |j � y y �N)r � iosimVerify�NativeOpenSSLError�disconnectReason�loseConnection)r �other�tpts r �pretendToVerifyz TLSNegotiation.pretendToVerify$ s6 � � �x�x�#�#�E�I�I�.�#5�#7�C� � � � � � /r N)�__name__� __module__� __qualname__r �strr r' � r r r r s � �(� /�#� /�!r r c � � e Zd ZdZy)� FakeAddressz] The default address type for the host and peer of L{FakeTransport} connections. N)r( r) r* �__doc__r, r r r. r. - s � �r r. c � � e Zd ZdZ e ej � fd�� ZdZdZ dZ e j d� Z dZdZdZd d�Zdefd�Zd � Zd � Zd � Zd � Zd � Zd� Zd� Zd� Zd� Z d� Z d� Z d� Z d� Z d� Z!d� Z"d!d�Z#d� Z$d� Z%d� Z&d � Z'd � Z(d � Z)d � Z*y)"� FakeTransportz� A wrapper around a file-like object to make it behave as a Transport. This doesn't actually stream the file to the attached protocol, and is thus useful mainly as a utility for debugging protocols. c �* � t t | � � S r )�int�next)�counters r �<lambda>zFakeTransport.<lambda>> s � ��T�'�]�AS� r r zConnection doneNc � � || _ || _ g | _ | j � | _ |� t � }|| _ |� t � }|| _ y)a� @param protocol: This transport will deliver bytes to this protocol. @type protocol: L{IProtocol} provider @param isServer: C{True} if this is the accepting side of the connection, C{False} if it is the connecting side. @type isServer: L{bool} @param hostAddress: The value to return from C{getHost}. L{None} results in a new L{FakeAddress} being created to use as the value. @type hostAddress: L{IAddress} provider or L{None} @param peerAddress: The value to return from C{getPeer}. L{None} results in a new L{FakeAddress} being created to use as the value. @type peerAddress: L{IAddress} provider or L{None} N)�protocol�isServer�stream� _nextserial�serialr. � hostAddress� peerAddress)r r8 r9 r= r> s r r zFakeTransport.__init__G sS � �" !�� � �� ��� ��&�&�(�� � � �%�-�K�&��� � �%�-�K�&��r r c � � dj | j xr dxs d| j | j j j � S )NzFakeTransport<{},{},{}>�S�C)�formatr9 r< r8 � __class__r( r s r r zFakeTransport.__repr__c s@ � �(�/�/� �M�M� !�c� (�S� �K�K� �M�M� #� #� ,� ,� � r c � � | j ry | j � | j j |� y | j j |� y r )� disconnecting�tls�tlsbuf�appendr: )r �datas r �writezFakeTransport.writej s< � � � � � � �8�8� � �K�K� � �t� $� �K�K� � �t� $r c �l � | j r(| j s| j j � y y y r ��producer�streamingProducer�resumeProducingr s r �_checkProducerz FakeTransport._checkProducert s* � � �=�=��!7�!7� �M�M� )� )� +� "8�=r c �F � || _ || _ |s|j � yy)z. From abstract.FileDescriptor NrL )r rM � streamings r �registerProducerz FakeTransport.registerProducerz s' � � !�� �!*�� �� � $� $� &� r c � � d | _ y r )rM r s r �unregisterProducerz FakeTransport.unregisterProducer� s � � �� r c �D � | j � | j � y r )rU r$ r s r � stopConsumingzFakeTransport.stopConsuming� s � � � � �!� ��� r c �D � | j dj |� � y )Nr )rJ �join)r �iovecs r � writeSequencezFakeTransport.writeSequence� s � � � � �3�8�8�E�?�#r c � � d| _ y �NT�rE r s r r$ z FakeTransport.loseConnection� s � � !��r c � � d| _ y)zp For the time being, this is the same as loseConnection; no buffered data will be lost. TNr^ r s r �abortConnectionz FakeTransport.abortConnection� s � � "��r c � � | j � t � }n | j }| j j t |� � y r )rF r" r# r8 �connectionLostr )r �errs r �reportDisconnectz FakeTransport.reportDisconnect� s7 � � �8�8� � %�&�C��'�'�C� � � �$�$�W�S�\�2r c � � y)zM Identify this transport/event source to the logging system. �iosimr, r s r � logPrefixzFakeTransport.logPrefix� s � � r c � � | j S r )r> r s r �getPeerzFakeTransport.getPeer� � � �� � � r c � � | j S r )r= r s r �getHostzFakeTransport.getHost� rj r c � � y r r, r s r rO z FakeTransport.resumeProducing� � � � r c � � y r r, r s r �pauseProducingz FakeTransport.pauseProducing� rn r c �$ � | j � y r )r$ r s r � stopProducingzFakeTransport.stopProducing� s � � ��� r c �R � | j |z }t ||� | _ g | _ y r )r9 r rF rG )r �contextFactory�beNormalr s r �startTLSzFakeTransport.startTLS� s' � � �}�}�x�/� �!�.�,�?����� r c �� � | j }|rg | _ dj |� S | j �4| j j r d| j _ | j S yy)z� Get the pending writes from this transport, clearing them from the pending buffer. @return: the bytes written with C{transport.write} @rtype: L{bytes} r NT)r: rY rF r r )r r@ s r � getOutBufferzFakeTransport.getOutBuffer� sV � � �K�K�� � �D�K��8�8�A�;� � �X�X� !��x�x�#�#� $���� ��x�x���r c � � t |t � r�| j �J �| j j rc| j j || � d | _ | j d c}| _ | j |� t | t j � y d| j _ y | j j |� y r] ) � isinstancer rF r r' rG r[ r r � ISSLTransportr r8 � dataReceived)r �buf�bs r �bufferReceivedz FakeTransport.bufferReceived� s� � � �c�>� *��8�8�'� '�'� �x�x�}�}����(�(��d�3� ��� "&���d���4�;��"�"�1�%� ��z�'?�'?�@� (,����$� �M�M� &� &�s� +r c � � y r r, r s r �getTcpKeepAlivez FakeTransport.getTcpKeepAlive� rn r c � � y r r, r s r � getTcpNoDelayzFakeTransport.getTcpNoDelay� rn r c � � y r r, r s r �loseWriteConnectionz!FakeTransport.loseWriteConnection� rn r c � � y r r, �r �enableds r �setTcpKeepAlivez FakeTransport.setTcpKeepAlive� rn r c � � y r r, r� s r � setTcpNoDelayzFakeTransport.setTcpNoDelay� rn r )NN)T)+r( r) r* r/ � staticmethod� itertools�countr; �closedrE � disconnectedr �ConnectionDoner# rM rN rF r r+ r rJ rP rS rU rW r[ r$ r` rd rg ri rl rO rp rr rv rx r r� r� r� r� r� r, r r r1 r1 5 s� � �� �o�i�o�o�.?� S�T�K� �F��M��L�+�u�+�+�,=�>���H��� �C�'�8 �#� �%�,� '� � �$�"�"�3�� � � � � ���,,�& � � � � r r1 c � � t | d�� S )z� Create and return a new in-memory transport hooked up to the given protocol. @param clientProtocol: The client protocol to use. @type clientProtocol: L{IProtocol} provider @return: The transport. @rtype: L{FakeTransport} F�r9 �r1 )�clientProtocols r �makeFakeClientr� � s � � � �%� 8�8r c � � t | d�� S )z� Create and return a new in-memory transport hooked up to the given protocol. @param serverProtocol: The server protocol to use. @type serverProtocol: L{IProtocol} provider @return: The transport. @rtype: L{FakeTransport} Tr� r� )�serverProtocols r �makeFakeServerr� s � � � �$� 7�7r c �( � e Zd ZdZdd�Zdd�Zdd�Zy)�IOPumpz� Utility to pump data between clients and servers for protocol testing. Perhaps this is a utility worthy of being in protocol.py? Nc �p � || _ || _ || _ || _ || _ |� t � }|| _ y r )�client�server�clientIO�serverIO�debugr �clock)r r� r� r� r� r� r� s r r zIOPump.__init__ s9 � � �� � �� � �� � �� ��� � �=�&�(�E��� r c �b � d}t d� D ] }| j ||� rd}� |S J d� �)zk Pump until there is no more input or output. Returns whether any data was moved. Fi� TzToo long)�range�pump)r r� � advanceClock�result�_s r �flushz IOPump.flush( sE � � ���t�� !�A��y�y�� �-� ��� � � !� !�j� �1r c �\ � |r| j j d� | j s|r t d� | j j � }| j j � }| j j � | j j � | j s|r=t d� |rt dt |� z � |rt dt |� z � |r| j j |� |r| j j |� |s|ry| j j rl| j j sV| j s|r t d� d| j _ d| j _ | j j � y| j j rl| j j sV| j s|r t d� d| j _ d| j _ | j j � yy ) z� Move data back and forth, while also triggering any currently pending scheduled calls (i.e. C{callLater(0, f)}). Returns whether any data was moved. r z -- GLUG --�.zC: zS: Tz* Cz* SF) r� �advancer� �printr� rx r� rP �reprr rE r� rd )r r� r� �sData�cDatas r r� z IOPump.pump8 s� � � � �J�J� � �q� !� �:�:�� �,� �� � �*�*�,��� � �*�*�,�� � � �$�$�&� � � �$�$�&� �:�:�� �#�J���e�d�5�k�)�*���e�d�5�k�)�*� � �M�M� (� (�� /� � �M�M� (� (�� /� �E�� �=�=� &� &�t�}�}�/I�/I��z�z�U��e� �)-�D�M�M� &�*.�D�M�M� '� �M�M� *� *� ,�� �=�=� &� &�t�}�}�/I�/I��z�z�U��e� �)-�D�M�M� &�*.�D�M�M� '� �M�M� *� *� ,��r r )FT)r( r) r* r/ r r� r� r, r r r� r� s � �� �� *r r� FTc � � | j |� |j |� t || ||||�� }|r|j � |S )a� Create a new L{IOPump} connecting two protocols. @param serverProtocol: The protocol to use on the accepting side of the connection. @type serverProtocol: L{IProtocol} provider @param serverTransport: The transport to associate with C{serverProtocol}. @type serverTransport: L{FakeTransport} @param clientProtocol: The protocol to use on the initiating side of the connection. @type clientProtocol: L{IProtocol} provider @param clientTransport: The transport to associate with C{clientProtocol}. @type clientTransport: L{FakeTransport} @param debug: A flag indicating whether to log information about what the L{IOPump} is doing. @type debug: L{bool} @param greet: Should the L{IOPump} be L{flushed <IOPump.flush>} once before returning to put the protocols into their post-handshake or post-server-greeting state? @type greet: L{bool} @param clock: An optional L{Clock}. Pumping the resulting L{IOPump} will also increase clock time by a small increment. @return: An L{IOPump} which connects C{serverProtocol} and C{clientProtocol} and delivers bytes between them when it is pumped. @rtype: L{IOPump} �r� )�makeConnectionr� r� )r� �serverTransportr� �clientTransportr� �greetr� r� s r �connectr� e sP � �T �!�!�/�2��!�!�/�2� ����� �� �D� � � � � � �Kr c �h � |� } | � } ||� } ||� } ||t || || |||�� fS )a� Connect a given server and client class to each other. @param ServerClass: a callable that produces the server-side protocol. @type ServerClass: 0-argument callable returning L{IProtocol} provider. @param ClientClass: like C{ServerClass} but for the other side of the connection. @type ClientClass: 0-argument callable returning L{IProtocol} provider. @param clientTransportFactory: a callable that produces the transport which will be attached to the protocol returned from C{ClientClass}. @type clientTransportFactory: callable taking (L{IProtocol}) and returning L{FakeTransport} @param serverTransportFactory: a callable that produces the transport which will be attached to the protocol returned from C{ServerClass}. @type serverTransportFactory: callable taking (L{IProtocol}) and returning L{FakeTransport} @param debug: Should this dump an escaped version of all traffic on this connection to stdout for inspection? @type debug: L{bool} @param greet: Should the L{IOPump} be L{flushed <IOPump.flush>} once before returning to put the protocols into their post-handshake or post-server-greeting state? @type greet: L{bool} @param clock: An optional L{Clock}. Pumping the resulting L{IOPump} will also increase clock time by a small increment. @return: the client protocol, the server protocol, and an L{IOPump} which, when its C{pump} and C{flush} methods are called, will move data between the created client and server protocol instances. @rtype: 3-L{tuple} of L{IProtocol}, L{IProtocol}, L{IOPump} r� )r� ) � ServerClass� ClientClass�clientTransportFactory�serverTransportFactoryr� r� r� �c�s�cio�sios r �connectedServerAndClientr� � sE � �\ � �A�� �A� �� #�C� �� #�C� �a���C��C���U�C� C�Cr c �4 � | \ }}}}}|\ }}} } ||k( r||fS y)a' Should the client and server described by the arguments be connected to each other, i.e. do their port numbers match? @param clientInfo: the args for connectTCP @type clientInfo: L{tuple} @param serverInfo: the args for listenTCP @type serverInfo: L{tuple} @return: If they do match, return factories for the client and server that should connect; otherwise return L{None}, indicating they shouldn't be connected. @rtype: L{None} or 2-L{tuple} of (L{ClientFactory}, L{IProtocolFactory}) Nr, ) � clientInfo� serverInfo� clientHost� clientPort� clientFactory� clientTimeout�clientBindAddress� serverPort� serverFactory� serverBacklog�serverInterfaces r �_factoriesShouldConnectr� � s? � �. � ������BL�?�Z� � ���Z� � �m�+�+�r c �> � e Zd ZdZd� Zdd�Z e e� � fd�Zy)�ConnectionCompleterz� A L{ConnectionCompleter} can cause synthetic TCP connections established by L{MemoryReactor.connectTCP} and L{MemoryReactor.listenTCP} to succeed or fail. c � � || _ y)z� Create a L{ConnectionCompleter} from a L{MemoryReactor}. @param memoryReactor: The reactor to attach to. @type memoryReactor: L{MemoryReactor} N)�_reactor)r � memoryReactors r r z ConnectionCompleter.__init__� s � � &�� r c � � | j }t |j � D ]� \ }}|j D ]� }t ||� }|s�|j j |� |j j |� |\ }}|j d� } |j d� } t | � } t | � } t | | | | |� c c S �� y)a� Complete a single TCP connection established on this L{ConnectionCompleter}'s L{MemoryReactor}. @param debug: A flag; whether to dump output from the established connection to stdout. @type debug: L{bool} @return: a pump for the connection, or L{None} if no connection could be established. @rtype: L{IOPump} or L{None} N) r� � enumerate� tcpClients� tcpServersr� �remove� connectors�pop� buildProtocolr� r� r� ) r r� r� � clientIdxr� r� � factoriesr� r� r� r� r� r� s r � succeedOncez ConnectionCompleter.succeedOnce s� � � � � � �%.�}�/G�/G�%H� � !�I�z� +� 6� 6� � � 3�J� � K� � �!�,�,�3�3�J�?�!�,�,�0�0��;�3<�0�M�=�%2�%@�%@��%F�N�%2�%@�%@��%F�N�&4�^�&D�O�&4�^�&D�O�"�&�'�&�'� � � � � r c � � | j j j d� d j | j j j d� |� y)z� Fail a single TCP connection established on this L{ConnectionCompleter}'s L{MemoryReactor}. @param reason: the reason to provide that the connection failed. @type reason: L{Failure} r � N)r� r� r� �clientConnectionFailedr� )r �reasons r �failOncez ConnectionCompleter.failOnce$ sF � � � � � � �$�$�Q�'��*�A�A� �M�M� $� $� (� (�� +�V� r N�F) r( r) r* r/ r r� r r r� r, r r r� r� � s% � �� &� �B &�&<�&>� ?� r r� c � � t � }t |dd� }t |d� }|j t j t � � |t |� fS )a� Create an endpoint that can be fired on demand. @param debug: A flag; whether to dump output from the established connection to stdout. @type debug: L{bool} @return: A client endpoint, and an object that will cause one of the L{Deferred}s returned by that client endpoint. @rtype: 2-L{tuple} of (L{IStreamClientEndpoint}, L{ConnectionCompleter}) z0.0.0.0i� )r r r �listenr � forProtocolr r� )r� �reactor�clientEndpoint�serverEndpoints r �connectableEndpointr� 1 sP � � !�"�G�'���D�A�N�'���6�N����'�-�-�h�7�8� �.�w�7� 7�7r )FTNr� )&r/ r� � OpenSSL.SSLr r" � ImportError�zope.interfacer r �twisted.internetr r �twisted.internet.endpointsr r �twisted.internet.errorr �twisted.internet.protocolr r �twisted.internet.testingr �twisted.python.failurer r �IAddressr. � ITransport� ITLSTransportr1 r� r� r� r� r� r� r� r� r, r r �<module>r� s� �� � � �7� 9� .� M� 9� 7� 7� *�!� !�& �Z� � �!�� � "�� �Z� "� "�J�$<�$<�=�D � D � >�D �N 9� 8�K� K�f � � �7�z *�)� � � �2D�j �>; � ; �|8��I � �� �s �C �C � C
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