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� s z%_ProactorDatagramTransport._set_extrac C s t dd� | jD ��S )Nc s s | ]\}}t |�V qd S rB )r; )�.0rk �_r r r � <genexpr>� s zC_ProactorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr# rD r r r r] � s z0_ProactorDatagramTransport.get_write_buffer_sizec C s | � d � d S rB r� rD r r r r� � s z _ProactorDatagramTransport.abortc C s� t |tttf�s tdt|���|s&d S | jd k rN|d | jfkrNtd| j� ���| jr�| jr�| jt j krpt � d� | jd7 _d S | j �t|�|f� | jd kr�| �� | �� d S )Nz,data argument must be bytes-like object (%r)z!Invalid address: must be None or z!socket.sendto() raised exception.r )rQ r~ r r� r� r� r� � ValueErrorr' r r� r r r# r9 r% r� r� )r- rk �addrr r r �sendto� s& � � z!_ProactorDatagramTransport.sendtoc C s z�| j rW d S d | _|r |�� | jr2| j rN| jrN| jrH| j�| jd � W d S | j� � \}}| jd k r|| jj � | j |�| _n| jj j | j ||d�| _W nZ tk r� } z| j�|� W 5 d }~X Y nD tk r� } z| �|d� W 5 d }~X Y nX | j�| j� | �� d S )N)r� z'Fatal write error on datagram transport)r' r% rr r# r� r( r 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_set_nodelayr, r3 r r r X s z!_ProactorSocketTransport.__init__c C s t | |� d S rB r� rA r r r r ] s z#_ProactorSocketTransport._set_extrac C s dS r� r rD r r r r� ` s z&_ProactorSocketTransport.can_write_eofc C s2 | j s | jrd S d| _| jd kr.| j�tj� d S r� )r( r) r% r rZ r r� rD r r r r� c s z"_ProactorSocketTransport.write_eof)NNN) r8 r^ r_ r Z _SendfileModeZ TRY_NATIVEZ_sendfile_compatibler r r� r� rb r r r3 r r� Q s �r� c s� e Zd Z� fdd�Zd3dd�Zd4dddddd�dd �Zd5d d �Zd6d d �Zd7dd�Zd8dd�Z � fdd�Z dd� Z dd� Z dd� Z dd� Zd d � Zd d � Zd d!� Zd"d#� Zd$d%� Zd9d&d'�Zd(d)� Zd:d+d,�Zd-d.� Zd/d0� Zd1d2� Z� ZS );r c sh t � �� t�d|jj� || _|| _d | _i | _ |� | � | � � t � � t �� krdt�| j�� � d S )NzUsing proactor: %s)r r r rS r4 r8 rs � _selector�_self_reading_future�_accept_futuresZset_loop�_make_self_pipe� threading�current_thread� main_thread�signal� set_wakeup_fd�_csockr: )r- Zproactorr3 r r r m s z BaseProactorEventLoop.__init__Nc C s t | |||||�S rB )r� )r- r r/ r0 r1 r2 r r r �_make_socket_transportz s �z,BaseProactorEventLoop._make_socket_transportF)� server_side�server_hostnamer1 r2 �ssl_handshake_timeoutc C s0 t j| |||||| d�} t| || ||d� | jS )N)r� �r1 r2 )r Z SSLProtocolr� Z_app_transport) r- Zrawsockr/ � sslcontextr0 r� r� r1 r2 r� Z ssl_protocolr r r �_make_ssl_transport s � �z)BaseProactorEventLoop._make_ssl_transportc C s t | |||||�S rB )r� )r- r r/ r� r0 r1 r r r �_make_datagram_transport� s �z.BaseProactorEventLoop._make_datagram_transportc C s t | ||||�S rB )r� �r- r r/ r0 r1 r r r �_make_duplex_pipe_transport� s �z1BaseProactorEventLoop._make_duplex_pipe_transportc C s t | ||||�S rB )rc r� r r r �_make_read_pipe_transport� s z/BaseProactorEventLoop._make_read_pipe_transportc C s t | ||||�S rB )r� r� r r r �_make_write_pipe_transport� s �z0BaseProactorEventLoop._make_write_pipe_transportc sj | � � rtd��| �� r d S t�� t�� kr6t�d� | �� | � � | j � � d | _ d | _ t � � � d S )Nz!Cannot close a running event loop���)Z is_runningr� � is_closedr� r� r� r� r� �_stop_accept_futures�_close_self_pipers rI r� r rD r3 r r rI � s zBaseProactorEventLoop.closec � s | j �||�I d H S rB )rs rt )r- r �nr r r � sock_recv� s z BaseProactorEventLoop.sock_recvc � s | j �||�I d H S rB )rs Z recv_into)r- r Zbufr r r �sock_recv_into� s z$BaseProactorEventLoop.sock_recv_intoc � s | j �||�I d H S rB )rs r� )r- r rk r r r � sock_sendall� s z"BaseProactorEventLoop.sock_sendallc � s | j �||�I d H S rB )rs Zconnect)r- r r� r r r � sock_connect� s z"BaseProactorEventLoop.sock_connectc � s | j �|�I d H S rB )rs �acceptrA r r r � sock_accept� s z!BaseProactorEventLoop.sock_acceptc � s( z |� � }W n2 ttjfk r> } zt�d��W 5 d }~X Y nX zt�|�j}W n, t k r| } zt�d��W 5 d }~X Y nX |r�|n|}|s�dS t |d�}|r�t || |�n|} t ||�}d} zLt | | |�}|dkr�| W �0S | j � ||||�I d H ||7 }| |7 } q�W 5 | dk�r"|� |� X d S )Nznot a regular filer l �� )r: �AttributeError�io�UnsupportedOperationr ZSendfileNotAvailableError�os�fstat�st_sizerR �min�seekrs �sendfile) r- r �file�offset�countr: �errZfsizeZ blocksizeZend_posZ total_sentr r r �_sock_sendfile_native� s0 z+BaseProactorEventLoop._sock_sendfile_nativec � sZ |� � }|�� |�� I d H z | j|j|||dd�I d H W �S |�� |rT|�� X d S )NF)Zfallback)rg rh r� r� rl Z sock_sendfiler )r- Ztranspr� r� r� rl r r r �_sendfile_native� s �z&BaseProactorEventLoop._sendfile_nativec C sL | j d k r| j �� d | _ | j�� d | _| j�� d | _| jd8 _d S )Nr )r� rH �_ssockrI r� � _internal_fdsrD r r r r� � s z&BaseProactorEventLoop._close_self_pipec C s: t �� \| _| _| j�d� | j�d� | jd7 _d S )NFr )r Z socketpairr� r� Z setblockingr� rD r r r r� � s z%BaseProactorEventLoop._make_self_pipec C s� z4|d k r|� � | j|k r"W d S | j�| jd�}W nb tjk rL Y d S ttfk rd � Y nF t k r� } z| � d|| d�� W 5 d }~X Y nX || _|� | j � d S )Ni z.Error on reading from the event loop self pipe)rN rO r. ) rr r� rs rt r� r rw rm rn ro rT rx �_loop_self_reading)r- r� rU r r r r� � s$ �z(BaseProactorEventLoop._loop_self_readingc C sN | j }|d krd S z|�d� W n( tk rH | jrDtjddd� Y nX d S )N� z3Fail to write a null byte into the self-pipe socketTr )r� r� rR �_debugr rS )r- Zcsockr r r �_write_to_self s �z$BaseProactorEventLoop._write_to_self�d c s( d� ������fdd� � �� � � d S )Nc s, z�| d k rn| � � \}}�jr,t�d�||� �� }�d k rX�j||�dd|i��d� n�j||d|i�d� ��� r|W d S �j���} W n� t k r� } zH�� � dkrʈ� d|t � ��d�� ��� n�jr�tjd �dd � W 5 d }~X Y n8 tjk �r ��� Y nX | �j�� � < | �� � d S ) Nz#%r got a new connection from %r: %rTr )r� r1 r2 r� r� r� zAccept failed on a socket)rN rO r zAccept failed on socket %rr )rr r� r rS r� r� r� rs r� rR r: rT r r rI r rw r� rx )r� Zconnr� r/ rU �r. �protocol_factoryr- r2 r r� r� r r r. / s\ � � � � �z2BaseProactorEventLoop._start_serving.<locals>.loop)N)r* )r- r� r r� r2 Zbacklogr� r r� r �_start_serving+ s %z$BaseProactorEventLoop._start_servingc C s d S rB r )r- Z event_listr r r �_process_eventsV s z%BaseProactorEventLoop._process_eventsc C s& | j �� D ] }|�� q | j �� d S rB )r� �valuesrH �clear)r- �futurer r r r� Z s z*BaseProactorEventLoop._stop_accept_futuresc C s6 | j �|�� d �}|r |�� | j�|� |�� d S rB )r� �popr: rH rs � _stop_servingrI )r- r r� r r r r� _ s z#BaseProactorEventLoop._stop_serving)NNN)N)NNN)NN)NN)NN)N)NNr� N)r8 r^ r_ r r� r� r� r� r� r� rI r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� rb r r r3 r r k s\ � � � � � � � � +r )"�__all__r� r� r r` r� r� r� � r r r r r r r r �logr r Z_FlowControlMixinZ BaseTransportr Z ReadTransportrc ZWriteTransportrz r� r� Z Transportr� r� Z BaseEventLoopr r r r r �<module> sP � � �n � �
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