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Editing: test_udp.cpython-38.pyc
U ��W[d` � @ s< d Z ddlmZmZ ddlmZ ddlmZ ddlm Z m Z m Z ddl m Z mZmZmZmZmZ ddlmZ G dd � d �ZG d d � d ee j�ZG d d � d ee j�ZG dd� de�ZG dd� de�Z G dd� de j�Z G dd� dej �Z G dd� dej �Z G dd� dej �Z!e�"ed��s$de _#de _#e�$ed��s8d e!_#dS ) zG Tests for implementations of L{IReactorUDP} and L{IReactorMulticast}. � )�division�absolute_import)�unittest)� intToBytes)�Deferred� gatherResults� maybeDeferred)�protocol�reactor�error�defer� interfaces�udp)�runtimec @ s0 e Zd ZdZdZdZdd� Zdd� Zdd� ZdS ) �Mixinr Nc C s g | _ d S �N)�packets��self� r �7/usr/lib/python3/dist-packages/twisted/test/test_udp.py�__init__ s zMixin.__init__c C s, d| _ | jd k r(| jd }| _|�d � d S �N� )�started�startedDeferred�callback�r �dr r r � startProtocol s zMixin.startProtocolc C s d| _ d S r )�stoppedr r r r � stopProtocol# s zMixin.stopProtocol) �__name__� __module__� __qualname__r r r r r r! r r r r r s r c @ s e Zd ZdZdZdd� ZdS )�ServerNr c C s6 | j �||f� | jd k r2| jd }| _|�d � d S r �r �append�packetReceivedr )r �data�addrr r r r �datagramReceived, s zServer.datagramReceived)r" r# r$ r( �refusedr+ r r r r r% ' s r% c @ s, e Zd ZdZdZdd� Zdd� Zdd� ZdS ) �ClientNr c C s2 | j �|� | jd k r.| jd }| _|�d � d S r r& )r r) r r r r r+ 9 s zClient.datagramReceivedc C s, | j d k r"| j d }| _ |�|� || _d S r )r �errback�failure)r r/ r r r r �connectionFailed? s zClient.connectionFailedc C s2 | j d k r(| j d }| _ |�t�d�� d| _d S �NZyupr �r r. r �ConnectionRefusedErrorr, r r r r �connectionRefusedE s zClient.connectionRefused)r" r# r$ r( r, r+ r0 r4 r r r r r- 4 s r- c @ s e Zd Zdd� ZdS )� GoodClientc C s2 | j d k r(| j d }| _ |�t�d�� d| _d S r1 r2 r r r r r4 N s z GoodClient.connectionRefusedN)r" r# r$ r4 r r r r r5 L s r5 c @ s e Zd ZdZdS )�BadClientErrorzf Raised by BadClient at the end of every datagramReceived call to try and screw stuff up. N)r" r# r$ �__doc__r r r r r6 V s r6 c @ s$ e Zd ZdZdZdd� Zdd� ZdS )� BadClientz� A DatagramProtocol which always raises an exception from datagramReceived. Used to test error handling behavior in the reactor for that method. Nc C s || _ dS )ze Set the Deferred which will be called back when datagramReceived is called. N)r r r r r � setDeferrede s zBadClient.setDeferredc C s. | j d k r"| j d }| _ |�|� td��d S )Nz Application code is very buggy!)r r r6 )r �bytesr* r r r r r+ m s zBadClient.datagramReceived)r" r# r$ r7 r r9 r+ r r r r r8 ^ s r8 c @ sT e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dS )�UDPTestsc s< t � }t�� }|_tjd|dd�� � �fdd�}|�|�S )zu The C{type} of the host address of a listening L{DatagramProtocol}'s transport is C{"UDP"}. r � 127.0.0.1�Z interfacec s � � � }��|jd� � �� S )NZUDP)�getHost� assertEqual�type� stopListening)�ignoredr* ��pr r r � cbStarted s z+UDPTests.test_oldAddress.<locals>.cbStarted�r% r r r r � listenUDP� addCallback)r �serverr rE r rC r �test_oldAddressw s zUDPTests.test_oldAddressc sR t � �t�� }�_tjd�dd�� � ��fdd�}��fdd�}|�|��|�S )z� The L{DatagramProtocol}'s C{startProtocol} and C{stopProtocol} methods are called when its transports starts and stops listening, respectively. r r< r= c s$ �� �jd� �� �jd� � �� S )Nr r )r? r r rA �rB ��port1r rI r r rE � s z*UDPTests.test_startStop.<locals>.cbStartedc s � � �jd� d S r )r? r rK )r rI r r � cbStopped� s z*UDPTests.test_startStop.<locals>.cbStoppedrF )r r rE rN r rL r �test_startStop� s zUDPTests.test_startStopc sF t � �t�� }�_tjd�dd�}dd� � � �fdd�}|�� |�S )zr Re-listening with the same L{DatagramProtocol} re-invokes the C{startProtocol} callback. r r< r= c S s |� � S r �rA )rB �portr r r rE � s z'UDPTests.test_rebind.<locals>.cbStartedc s* t �� }�_tjd�dd�}|�� |�S �Nr r< r= )r r r r rG rH )rB r rD �rE rI r r rN � s z'UDPTests.test_rebind.<locals>.cbStoppedrF )r r rD rN r rS r � test_rebind� s zUDPTests.test_rebindc sX t � �t�� }�_tjd�dd�� � ��fdd�}|�|� � fdd�}|�|� |S )z� A L{CannotListenError} exception is raised when attempting to bind a second protocol instance to an already bound port r r< r= c s> �� � �� �j�� � t� }�jtjtj� �� j |dd� d S )Nr< r= ) r? r> � transportr% � assertRaisesr ZCannotListenErrorr rG rQ )rB Zserver2�rQ r rI r r rE � s �z*UDPTests.test_bindError.<locals>.cbStartedc s � � � S r rP rK �rQ r r � cbFinished� s z+UDPTests.test_bindError.<locals>.cbFinishedrF )r r rE rY r rW r �test_bindError� s zUDPTests.test_bindErrorc s� t � �t�� }�_tjd�dd��t� � t�� �� _� ��fdd�}|�|�}� �fdd�}|�|� � ��fdd �}|�|� ��fd d �}|�|� |S ) z� Datagrams can be sent with the transport's C{write} method and received via the C{datagramReceived} callback method. r r< r= c s t jd� dd��_�S rR )r rG �port2rK )�client� 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 ) Nr< � hello)� a)� bN� cc s6 �r2t �� }�_|�� � �jj��d�� |S d S �Nr )r r r( rH rU �write�pop)rB ZnextClientWrite)� cbClientSendr\ � clientWritesrI r r rf � s zHUDPTests.test_sendPackets.<locals>.cbClientStarted.<locals>.cbClientSendT�ZfireOnOneErrback) rU �connectr> rQ r r r( rd �host� DeferredList)rB �cAddr�sAddrZ serverSend)r\ rI )rf rg r �cbClientStarted� s$ � � ��z2UDPTests.test_sendPackets.<locals>.cbClientStartedc s` � j �� }�j �� }��� jd|j|jffg� |j|jf}���jd|fd|fd|fg� d S )Nr_ r` ra rb )rU r> r? r rj rQ )rB rl rm Z clientAddr�r\ r rI r r �cbSendsFinished� s � ��z2UDPTests.test_sendPackets.<locals>.cbSendsFinishedc s$ t jt �� j�t ��jj�gdd�S �NTrh )r rk r rA r[ rK )rM r r r rY s ��z-UDPTests.test_sendPackets.<locals>.cbFinished)r% r r r r rG r5 rH )r � serverStartedr^ r rn rp rY r )r\ r] rM r rI r �test_sendPackets� s zUDPTests.test_sendPacketsc s� t � � t�� }� _tjd� dd��t� �t�� }�_tjd�dd��tj||gdd�}� ��fdd�}|�|� ��fdd �}|�|� |S ) z� 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. r r< r= Trh c sZ t �� }� _� j�dd� td�D ]&}� j�t|�� �j�t|�d� q$��|t j �S )Nr< �P � )r< rt ) r r r rU ri �rangerd r � assertFailurer r3 )rB r4 �iro r r rE " s �z2UDPTests.test_connectionRefused.<locals>.cbStartedc s" t jt �� j�t ��j�gdd�S rq )r rk r rA rK )rQ r[ r r rY 0 s ��z3UDPTests.test_connectionRefused.<locals>.cbFinished) r5 r r r r rG r% rk rH )r r] rr r rE rY r )r\ rQ r[ r rI r �test_connectionRefused s � z UDPTests.test_connectionRefusedc C sV t � }tjd|dd�}| �tj|jjdd� |j�dd� | �t|jjdd� |� � S )a 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. r r< r= Z localhostrt ) r5 r rG rV r ZInvalidAddressErrorrU ri � RuntimeErrorrA )r r\ rQ r r r �test_badConnect: s � �zUDPTests.test_badConnectc s� t �� ��fdd�}��|� t� �tjd�dd���fdd�}��|� ��� � tt d���g �� ������fd d ���� �S ) zr When datagramReceived raises an exception it is logged but the port is not disconnected. c s* � � t�}� �t|�ddt|�f � dS )z� Flush the exceptions which the reactor should have logged and make sure they're actually there. � z'Incorrectly found %d errors, expected 2N)�flushLoggedErrorsr6 r? �len)�ignZerrsr r r � cbCompletedU s z8UDPTests.test_datagramReceivedError.<locals>.cbCompletedr r< r= c s t ��j��� fdd��S )z� Disconnect the port we started and pass on whatever was given to us in case it was a Failure. c s � S r r �r ��resultr r �<lambda>f � zHUDPTests.test_datagramReceivedError.<locals>.cbCleanup.<locals>.<lambda>)r r rA �addBothr� rX r� r � cbCleanupa s z6UDPTests.test_datagramReceivedError.<locals>.cbCleanup�< c s� �s(z�� d� W n ��� Y nX ���jdd� t��d��} t�� }��|� �j� | �j �j f� ���� fdd�}�fdd�}|� ||� |� �j� t�d |jt�d ��� dS ) a6 Send one packet to the listening BadClient. Set up a 0.1 second timeout to do re-transmits in case the packet is dropped. When two packets have been received by the BadClient, stop sending and let the finalDeferred's callbacks do some assertions. zNot enough packets receivedNz UDP Protocol lost its transportr c s: �� � ��| � t��dkr0t�d� jd� n�� dS )z� A packet arrived. Cancel the timeout for it, record it, and maybe finish the test. r| r N)Zcancelr' r~ r � callLaterr )�packet)� finalDeferred� makeAttempt�succeededAttempts� timeoutCallr r �cbPacketReceived� s zRUDPTests.test_datagramReceivedError.<locals>.makeAttempt.<locals>.cbPacketReceivedc s � � dS )a� The packet wasn't received quickly enough. Try sending another 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 datagramReceived callbacks, so it won't be on this Deferred, so it won't raise an AlreadyCalledError. Nr )�err)r� r r �ebPacketTimeout� s zQUDPTests.test_datagramReceivedError.<locals>.makeAttempt.<locals>.ebPacketTimeoutg�������?z&Timed out in testDatagramReceivedError)Zfailr. ZfailIfIdenticalrU r re r r r9 rd rj rQ Z addCallbacksZ addErrbackr r� r � TimeoutError)r� ZpacketDeferredr� r� )r* �attemptsr\ r� r� r r� )r� r r� v s* ��z8UDPTests.test_datagramReceivedError.<locals>.makeAttempt) r r rH r8 r rG r� r> �listrv )r r� r� r )r* r� r\ r� r� rQ r r� r �test_datagramReceivedErrorN s 7z#UDPTests.test_datagramReceivedErrorc C sR G dd� d�}t �dt� �}|� |_|�dd� | �| jg�}| �t|�d� dS )ai 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 @ s e Zd Zdd� ZdS )z6UDPTests.test_NoWarningOnBroadcast.<locals>.fakeSocketc S s d S r r )r ZfooZbarr r r �sendto� s z=UDPTests.test_NoWarningOnBroadcast.<locals>.fakeSocket.sendtoN)r" r# r$ r� r r r r � fakeSocket� s r� r s test)z <broadcast>i� N) r ZPortr% Zsocketrd Z flushWarnings�test_NoWarningOnBroadcastr? r~ )r r� rD �warningsr r r r� � s z"UDPTests.test_NoWarningOnBroadcastN) r" r# r$ rJ rO rT rZ rs ry r{ r� r� r r r r r; u s K+cr; c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) � ReactorShutdownInteractionTestsz!Test reactor shutdown interactionc C s t � | _tjd| jdd�| _dS )zStart a UDP portr r< r= N)r% rI r rG rQ r r r r �setUp� s z%ReactorShutdownInteractionTests.setUpc C s | j �� S )zStop the UDP port)rQ rA r r r r �tearDown� s 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 rc )rI rU ZconnectionLostr r� r rK �Zfinishedr r r �pktRece� s zQReactorShutdownInteractionTests.testShutdownFromDatagramReceived.<locals>.pktRecec s � � � d S r )r} rK r r r � flushErrors� s zUReactorShutdownInteractionTests.testShutdownFromDatagramReceived.<locals>.flushErrorss@ r< ) r r rI r( rH rU rd r> rQ )r �prr� r� r r� r � testShutdownFromDatagramReceived� s �z@ReactorShutdownInteractionTests.testShutdownFromDatagramReceivedN)r" r# r$ r7 r� r� r� r r r r r� � s r� c @ s~ e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z e j � � rZe j � � sZde _dd� Zdd� Ze j � � rzde_dS )�MulticastTestsc C sN t � | _t� | _t�d| j�| _t�d| j�| _| jj� d| jj� � j � d S )Nr r< ) r% rI r- r\ r �listenMulticastrM r[ rU ri r> rQ r r r r r� � s �zMulticastTests.setUpc C s t t| jj�t| jj�g�S r )r r rM rA r[ r r r r r� s �zMulticastTests.tearDownc C sF | j | jfD ]4}| �|j�� d� |j�d� | �|j�� d� q d S )Nr r| )r\ rI r? rU ZgetTTLZsetTTL)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 )Nr_ r� �r rI r( rU rd rQ �rB 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 � d|j d � |S )Nr r r_ r� ) r? r~ rI r rU ZsetLoopbackMode�getLoopbackModerd rQ r r r� r r� r� r r �cbPacket s z.MulticastTests.test_loopback.<locals>.cbPacketc s � � t� jj�d� d S r )r? r~ rI r rK r r r � cbNoPacket+ s z0MulticastTests.test_loopback.<locals>.cbNoPacket)r? rI rU r� r> � joinGrouprH )r �joinedr� r� r� r r� r � test_loopback s z MulticastTests.test_loopbackc sj � � � jj�� d� � � � jj�� d� � jj�d�}� jj�d�}t||g�}� fdd�}|�|� |S )zK Test C{getOutgoingInterface} and C{setOutgoingInterface}. z0.0.0.0r< c s, � � � jj�� d� � � � jj�� d� d S )Nr< )r? r\ rU �getOutgoingInterfacerI rK r r r � cbInterfaces? s � �z3MulticastTests.test_interface.<locals>.cbInterfaces)r? r\ rU r� rI ZsetOutgoingInterfacer rH )r �d1�d2r� r� r r r �test_interface2 s � � z MulticastTests.test_interfacec sT � j j�d�}� fdd�}|�|� � fdd�}|�|� � fdd�}|�|� |S )zE Test that multicast a group can be joined and left. r� c s � j j�d�S �Nr� )r\ rU � leaveGrouprK r r r � clientJoinedN s z3MulticastTests.test_joinLeave.<locals>.clientJoinedc s � j j�d�S r� )rI rU r� rK r r r � clientLeftR s z1MulticastTests.test_joinLeave.<locals>.clientLeftc s � j j�d�S r� )rI rU r� rK r r r � serverJoinedV s z3MulticastTests.test_joinLeave.<locals>.serverJoined)r\ rU r� rH )r r r� r� r� r r r �test_joinLeaveH s z MulticastTests.test_joinLeavec 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}. r< )rw r\ rU r� r ZMulticastJoinErrorr r r r �test_joinFailure] s �z MulticastTests.test_joinFailurez2Windows' UDP multicast is not yet fully supported.c 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� w s z/MulticastTests.test_multicast.<locals>.cbJoinedc s � � � jjd d d� d S �Nr r� )r? rI r rK r r r r� } s z/MulticastTests.test_multicast.<locals>.cbPacketc s t �j�}|�� fdd�� |S )Nc s � S r r r� �� passthroughr r r� � r� z@MulticastTests.test_multicast.<locals>.cleanup.<locals>.<lambda>)r rA rH �r� r� )rD r� r �cleanup� s z.MulticastTests.test_multicast.<locals>.cleanup)r% r r� rI rU r> r� rH )r r� r� r� r� r )r* r� rD r r �test_multicastl s z MulticastTests.test_multicastc s� t � � tjd� dd����� j�t � �tj��dd��d�t�jj�����������g�}� ���fdd�}|� |� � ��fdd�}|� |� ��fd d �}|� |� |S ) z� Test that multiple sockets can listen on the same multicast port and that they both receive multicast messages directed to that address. r T)ZlistenMultipler� c s6 t � }� _t � }�_� j�d��f� t||g�S )Nr� )r r( rU rd r )rB r� r� )� firstClient�portno� secondClient�theGroupr r r� � s z5MulticastTests.test_multiListen.<locals>.serverJoinedc s0 �� � jd d d� �� �jd d d� d S r� )r? r rK )r� r� r r r � gotPackets� s z3MulticastTests.test_multiListen.<locals>.gotPacketsc s. t t�j�t�j�g�}|�� fdd�� |S )Nc s � S r r r� r� r r r� � r� zBMulticastTests.test_multiListen.<locals>.cleanup.<locals>.<lambda>)r r rA rH r� )� firstPort� secondPortr� r r� � s �z0MulticastTests.test_multiListen.<locals>.cleanup) r% r r� r> rQ r rI rU r� rH r� )r r� r� r� r� r )r� r� r� r� r� r r� r �test_multiListen� s2 � �� z MulticastTests.test_multiListenzjon non-linux platforms it appears multiple processes can listen, but not multiple sockets in same process?N)r" r# r$ r� r� r� r� r� r� r� r �platformZ isWindowsZisVista�skipr� r� r r r r r� � s " � ) r� Nz!This reactor does not support UDPz'This reactor does not support multicast)%r7 Z __future__r r Z twisted.trialr Ztwisted.python.compatr Ztwisted.internet.deferr r r Ztwisted.internetr r r r r r Ztwisted.pythonr r ZDatagramProtocolr% ZConnectedDatagramProtocolr- r5 � Exceptionr6 r8 ZTestCaser; r� r� Z IReactorUDPr� ZIReactorMulticastr r r r �<module> s. 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