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connection.cpython-38.pyc
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Fc C s || j � d S r rI )r: Z _CloseHandler r r r@ s zPipeConnection._closec C s� t j| j|dd�\}}zHz,|t jkrBt �|jgdt�}|tksBt �W n |� � � Y nX W 5 |�d�\}}X |dks|t �|t |�ks�t �d S )NT�� overlappedFr ) �_winapiZ WriteFiler7 �GetOverlappedResult�ERROR_IO_PENDING�WaitForMultipleObjects�eventr r �AssertionError�cancelrO )r: rQ �ov�errZnwritten�waitresr r r rP s � zPipeConnection._send_bytesNc C s2 | j rd| _ t�� S |d kr dnt|d�}z�tj| j|dd�\}}d zHz,|tj krpt� |jgdt�}|tkspt�W n |�� � Y nX W 5 |�d�\}}|dkr�t�� }|�|� � � |� W S |tj kr�| � ||�� W S X W n: tk �r$ } z|jtjk�rt�n� W 5 d }~X Y nX td��d S )NF� Trv r z.shouldn't get here; expected KeyboardInterrupt)�_got_empty_message�io�BytesIO�minrx �ReadFiler7 ry �writere ZERROR_MORE_DATA�_get_more_datarz r{ r| r r r} r~ rC �winerror�ERROR_BROKEN_PIPE�EOFError� RuntimeError) r: �maxsizeZbsizer r� Znread�fr� �er r r r\ & s> � � zPipeConnection._recv_bytesc C s. | j st�| j�d dkr dS tt| g|��S )Nr T)r� rx � PeekNamedPiper7 �boolr ri r r r rh F s �zPipeConnection._pollc C s� |� � }t�� }|�|� t�| j�d }|dks6t�|d k rVt|�| |krV| � � tj | j|dd�\}}|� d�\}}|dks�t�||ks�t�|�|� � � |S )Nr r Trv ) re r� r� r� rx r� r7 r} rO rH r� ry )r: r r� rQ r� �leftr� Zrbytesr r r r� L s z PipeConnection._get_more_data)N) rq rr rs �__doc__r� rx � CloseHandler@ rP r\ rh r� r r r r ru s ru c @ s| e Zd ZdZer,ejfdd�ZejZ ej Z ne j fdd�Ze jZ e jZ e fdd�Ze fdd�Zd d � Zdd d �Zdd� Zd S )� Connectionzo Connection class based on an arbitrary file descriptor (Unix only), or a socket handle (Windows). c C s || j � d S r rI �r: r@ r r r r@ c s zConnection._closec C s || j � d S r rI r� r r r r@ h s c C s8 t |�}|| j|�}||8 }|dkr&q4||d � }qd S �Nr )rO r7 )r: rQ r� � remainingrU r r r �_sendm s zConnection._sendc C sb t �� }| j}|}|dkr^|||�}t|�}|dkrJ||krBt�ntd��|�|� ||8 }q|S )Nr z got end of file during message)r� r� r7 rO r� rC r� )r: rS �readrQ r; r� �chunkrU r r r �_recvv s zConnection._recvc C s� t |�}|dkrHt�dd�}t�d|�}| �|� | �|� | �|� n8t�d|�}|dkrr| �|� | �|� n| �|| � d S )Ni����!i����!Qi @ )rO �structZpackr� )r: rQ rU Z pre_header�headerr r r rP � s zConnection._send_bytesNc C s^ | � d�}t�d|�� �\}|dkr@| � d�}t�d|�� �\}|d k rT||krTd S | � |�S )N� r� r� � r� )r� r� Zunpackr] )r: r� rQ rS r r r r\ � s zConnection._recv_bytesc C s t | g|�}t|�S r )r r� )r: r �rr r r rh � s zConnection._poll)N)rq rr rs r� rx �_multiprocessingZ closesocketr@ r[ Z_writerf Z_readr! rG r� r� r� r� rP r\ rh r r r r r� \ s r� c @ sR e Zd ZdZddd�Zdd� Zdd � Zed d � �Zed d � �Z dd� Z dd� Z dS )r z� Returns a listener object. 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�nameZ setsockoptZ SOL_SOCKETZ SO_REUSEADDRr� ZbindZlistenZ getsocknamer� rC rG Z_familyr� r r2 �Finalize�unlink�_unlink)r: r3 r' r� r r r r> G s0 � � zSocketListener.__init__c C s& | j �� \}| _|�d� t|�� �S )NT)r� r� r� r� r� r� �r: �sr r r r� ` s zSocketListener.acceptc C s0 z| j�� W 5 | j }|d k r*d | _ |� X d S r )r� r� rG )r: r� r r r rG e s zSocketListener.closeN)r )rq rr rs r� r> r� rG r r r r r� C s r� c C sP t | �}t�tt|���.}|�d� |�| � t|�� �W 5 Q R � S Q R X dS )zO Return a connection object connected to the socket given by `address` TN)r4 r, r� r� Zconnectr� r� )r3 r' r� r r r r� o s r� c @ s8 e Zd ZdZd dd�Zd dd�Zdd � Zed d � �ZdS )r� z0 Representation of a named pipe Nc C sL || _ | jdd�g| _d | _t�d| j � tj| tj| j| j fdd�| _ d S )NT)�firstz listener created with address=%rr r� ) r� � _new_handle� _handle_queuer� r � sub_debugr� r� �_finalize_pipe_listenerrG )r: r3 r� r r r r> � s �zPipeListener.__init__Fc C sH t jt jB }|r|t jO }t �| j|t jt jB t jB t j t t t j t j �S r ) rx r� r� r� r� r� r� r� r� ZPIPE_UNLIMITED_INSTANCESr� r� r� )r: r� �flagsr r r r� � s � �zPipeListener._new_handlec C s� | j �| �� � | j �d�}ztj|dd�}W n0 tk r^ } z|jtjkrN� W 5 d }~X Y n\X z<zt� |j gdt �}W n |�� t�|� � Y nX W 5 |� d�\}}|dks�t �X t|�S )Nr Trv F)r� �appendr� �poprx r� rC r� Z ERROR_NO_DATAry r} r{ r| r r~ r� ru )r: r; r r� r� r� �resr r r r� � s( � zPipeListener.acceptc C s$ t �d|� | D ]}t�|� qd S )Nz closing listener with address=%r)r r� rx r� )Zqueuer3 r; r r r r� � s z$PipeListener._finalize_pipe_listener)N)F) rq rr rs r� r> r� r� � staticmethodr� r r r r r� s r� c C s� t � }z6t�| d� t�| tjtjB dtjtjtjtj�}W q� t k rz } z |j tj tj fksht |�rj� W 5 d}~X Y qX q�q� t�|tjdd� t|�S )zU Return a connection object connected to the pipe given by `address` �� r N)r rx Z WaitNamedPiper� r� r� r� r� r� rC r� ZERROR_SEM_TIMEOUTZERROR_PIPE_BUSYr r� r� ru )r3 r �hr� r r r r� � s8 ��� �r� � s #CHALLENGE#s #WELCOME#s #FAILURE#c C s� dd l }t|t�s$td�t|����t�t�}| � t | � |� ||d�� � }| � d�}||krl| � t� n| � t� td��d S )Nr � Authkey must be bytes, not {0!s}�md5� zdigest received was wrong)�hmacr� rN r% �formatr. r! �urandom�MESSAGE_LENGTHrV � CHALLENGE�new�digestr^ �WELCOME�FAILUREr �Z connectionr� r� �messager� Zresponser r r r� � s � r� c C s� dd l }t|t�s$td�t|����| �d�}|d tt�� tksNt d| ��|tt�d � }|� ||d�� � }| � |� | �d�}|t kr�td��d S )Nr r� r� z message = %rr� zdigest sent was rejected)r� r� rN r% r� r. r^ rO r� r} r� r� rV r� r r� r r r r� � s � r� c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�ConnectionWrapperc C s6 || _ || _|| _dD ]}t||�}t| ||� qd S )N)rK rG rj r^ rV )�_conn�_dumps�_loadsr� �setattr)r: �connrX rd �attrrZ r r r r> � s zConnectionWrapper.__init__c C s | � |�}| j�|� d S r )r� r� rV )r: rZ r� r r r r[ s zConnectionWrapper.sendc C s | j �� }| �|�S r )r� r^ r r� r r r rf s zConnectionWrapper.recvN)rq rr rs r> r[ rf r r r r r� � s r� c C s t �| fd d d d��d�S )Nr �utf-8)� xmlrpclibrX �encode)rZ r r r � _xml_dumps s r c C s t �| �d��\\}}|S )Nr )r rd �decode)r� rZ �methodr r r � _xml_loads s r c @ s e Zd Zdd� ZdS )� XmlListenerc C s" dd l ma t�| �}t|tt�S r� )� xmlrpc.client�clientr r r� r� r r rY r r r r� s zXmlListener.acceptN)rq rr rs r� r r r r r s r c O s dd l ma tt| |�tt�S r� )r r r r� r r r )r� �kwdsr r r � XmlClient s r c C s� t | �}g }|r�t�|d|�}|tkr*q�n\t| krFtt|� k rTn n |t8 }n2t| krptt|� k r~n n |t8 }ntd��|�|| � ||d d � }d}q |S )NFzShould not get herer r ) �listrx r{ r r rO r r� r� )Zhandlesr �L�readyr� r r r �_exhaustive_wait% s r c s^ |dkrt }n |dk r d}nt|d d �}t| �} i �g }t� � t� }�z@| D �]&}zt|d�} W n tk r� |�|�� < Y qPX zt �| � dd�\}}W n8 tk r� } zd|j }}|tkrƂ W 5 d}~X Y nX |t jkr�|�|� |�|j < qP|�rjt�� dd� d k�rjz|�d �\}}W n* tk �rP } z |j}W 5 d}~X Y nX |�sjt |d��rjd|_� � |� d}qPt��� |�}W 5 |D ]}|�� �q�|D ]�}z|�d�\}}W n6 tk �r� } z|j}|tk�r� W 5 d}~X Y nX |t j k�r��|j }� � |� |dk�r�t |d��r�d|_�q�X � ��fd d �|D �� � fd d�| D �S )�� Wait till an object in object_list is ready/readable. 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