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__init__.cpython-310.pyc
744
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2025-02-22 06:16
__main__.cpython-310.pyc
3.1
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base_events.cpython-310.pyc
50.64
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base_futures.cpython-310.pyc
1.87
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base_subprocess.cpython-310.pyc
9.17
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base_tasks.cpython-310.pyc
1.93
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constants.cpython-310.pyc
586
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coroutines.cpython-310.pyc
6.47
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events.cpython-310.pyc
27.64
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exceptions.cpython-310.pyc
2.41
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format_helpers.cpython-310.pyc
2.28
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futures.cpython-310.pyc
11.61
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locks.cpython-310.pyc
13.84
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log.cpython-310.pyc
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mixins.cpython-310.pyc
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proactor_events.cpython-310.pyc
24.12
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protocols.cpython-310.pyc
8.1
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queues.cpython-310.pyc
8.11
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runners.cpython-310.pyc
2.04
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selector_events.cpython-310.pyc
28.88
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sslproto.cpython-310.pyc
21.44
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staggered.cpython-310.pyc
4.08
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streams.cpython-310.pyc
19.91
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subprocess.cpython-310.pyc
6.9
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tasks.cpython-310.pyc
23.41
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threads.cpython-310.pyc
985
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transports.cpython-310.pyc
12.04
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trsock.cpython-310.pyc
7.66
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unix_events.cpython-310.pyc
40.71
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windows_events.cpython-310.pyc
23.58
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windows_utils.cpython-310.pyc
4.39
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For a subclass which also includes support for signal handling, see the unix_events sub-module. )�BaseSelectorEventLoop� N� )� base_events)� constants)�events)�futures)� protocols)�sslproto)� transports)�trsock)�loggerc C s2 z| � |�}W n ty Y dS w t|j|@ �S �NF)�get_key�KeyError�boolr )�selector�fd�event�key� r �./usr/lib/python3.10/asyncio/selector_events.py�_test_selector_event s �r c s� e Zd ZdZdS� fdd� ZdSddd�dd�Z dSddddejd �d d �Z dTd d �Z � fdd�Z dd� Z dd� Z dd� Z dd� Zdd� Zdddejfdd �Zdddejfd d �Zddejfd d �Zd!d"� Zd#d$� Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� Zd/d0� Zd1d2� Zd3d4� Z dSd5d6�Z d7d8� Z d9d:� Z d;d<� Z d=d>� Z!d?d@� Z"dAdB� Z#dCdD� Z$dSdEdF�Z%dGdH� Z&dIdJ� Z'dKdL� Z(dMdN� Z)dOdP� Z*dQdR� Z+� Z,S )Ur zJSelector event loop. See events.EventLoop for API specification. 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The return value is the number of bytes written. r r� r� N)r r� rX r� r � recv_intorR rQ rv rD r� rJ �_sock_recv_intor� r� r� r� )r$ r, �bufr� r r� r r r �sock_recv_into� s" � � � z$BaseSelectorEventLoop.sock_recv_intoc C r� r* ) r� r� rR rQ rx ry rw r� r� )r$ r� r, r� �nbytesrt r r r r� � s ��z%BaseSelectorEventLoop._sock_recv_intoc � s� �t �|� | jr|�� dkrtd��z|�|�}W n ttfy' d}Y nw |t|�kr0dS | � � }|� � }| � |� | � || j ||t|�|g�}|�tj| j||d�� |I dH S )a� Send data to the socket. The socket must be connected to a remote socket. This method continues to send data from data until either all data has been sent or an error occurs. None is returned on success. On error, an exception is raised, and there is no way to determine how much data, if any, was successfully processed by the receiving end of the connection. r r� Nr� )r r� rX r� r rV rR rQ �lenrv rD r� r� � _sock_sendall� memoryviewr� r� r� �_sock_write_done)r$ r, rM r� r� r r� r r r � sock_sendall� s* � � �� z"BaseSelectorEventLoop.sock_sendallc C s� |� � rd S |d }z |�||d � �}W n, ttfy! Y d S ttfy* � tyA } z |�|� W Y d }~d S d }~ww ||7 }|t|�krS|� d � d S ||d< d S )Nr ) r� rV rR rQ rx ry rw r� r� r� )r$ r� r, �view�pos�startr� rt r r r r� � s$ �� z#BaseSelectorEventLoop._sock_sendallc � s� �t �|� | jr|�� dkrtd��|jtjks"t jr;|jtj kr;| j ||j|j |j | d�I dH }|d \}}}}}| � � }| �|||� z|I dH W d}S d}w )zTConnect to a remote socket at address. This method is a coroutine. r r� )�family�type�proto�loopN)r r� rX r� r r� rG �AF_INET� _HAS_IPv6�AF_INET6�_ensure_resolvedr� r� rv � _sock_connect)r$ r, r: �resolvedrq r� r r r � sock_connect� s$ � � � z"BaseSelectorEventLoop.sock_connectc C s� |� � }zaz|�|� W nE ttfy2 | �|� | �|| j|||�}|�tj | j ||d�� Y n* t t fy; � t yQ } z |�|� W Y d }~nd }~ww |�d � W d }d S W d }d S W d }d S d }w )Nr� )rD �connectrR rQ r� r� �_sock_connect_cbr� r� r� r� rx ry rw r� r� )r$ r� r, r: r r� rt r r r r� � s. ���� � �z#BaseSelectorEventLoop._sock_connectc C r� r* )r� r� r� r r r r� r� z&BaseSelectorEventLoop._sock_write_donec C s� |� � rd S zUz|�tjtj�}|dkr t|d|� ���W n* ttfy( Y n* tt fy1 � t yG } z |� |� W Y d }~nd }~ww |� d � W d }d S W d }d S W d }d S d }w )Nr zConnect call failed ) r� � getsockoptrG � SOL_SOCKET�SO_ERRORrW rR rQ rx ry rw r� r� )r$ r� r, r: �errrt r r r r� s* ��� ��z&BaseSelectorEventLoop._sock_connect_cbc � sD �t �|� | jr|�� dkrtd��| �� }| �||� |I dH S )aW Accept a connection. The socket must be bound to an address and listening for connections. The return value is a pair (conn, address) where conn is a new socket object usable to send and receive data on the connection, and address is the address bound to the socket on the other end of the connection. r r� N)r r� rX r� r rv � _sock_accept)r$ r, r� r r r � sock_accept* s � z!BaseSelectorEventLoop.sock_acceptc C s� |� � }z |�� \}}|�d� W nF ttfy7 | �|� | �|| j||�}|�t j | j ||d�� Y d S t t fy@ � tyW } z |�|� W Y d }~d S d }~ww |�||f� d S )NFr� )rD rd rI rR rQ r� rJ r� r� r� r� r� rx ry rw r� r� )r$ r� r, r rr r: r� rt r r r r� 9 s" ���z"BaseSelectorEventLoop._sock_acceptc � s� �| j |j= |�� }|�� |�� I d H z | j|j|||dd�I d H W |�� |r.|�� || j |j< S |�� |r?|�� || j |j< w )NF)�fallback) r# �_sock_fd� is_reading� pause_reading�_make_empty_waiter� sock_sendfile�_sock�_reset_empty_waiter�resume_reading)r$ �transp�file�offset�countr� r r r �_sendfile_nativeJ s" � ��z&BaseSelectorEventLoop._sendfile_nativec C s� |D ];\}}|j |j}\}}|tj@ r&|d ur&|jr!| �|� n| �|� |tj@ r=|d ur=|jr8| �|� q| �|� qd S r* ) �fileobjrM r r� � _cancelledrB � _add_callbackr� r� )r$ � event_listr r� r� r� r� r r r �_process_eventsX s ��z%BaseSelectorEventLoop._process_eventsc C s | � |�� � |�� d S r* )rB rD r@ )r$ r, r r r � _stop_servingf s z#BaseSelectorEventLoop._stop_servingr* �NNN)-r � __module__� __qualname__�__doc__r r/ r �SSL_HANDSHAKE_TIMEOUTr8 r; r@ r? r rN rK rZ r_ r\ ro r� rJ rB r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� r� � __classcell__r r r% r r + sl �� � � � �. �) r c s� e Zd ZdZeZdZd � fdd� Zdd� Zdd� Z d d � Z d d � Z d d� Z dd� Z ejfdd�Zd dd�Zdd� Zdd� Zdd� Zd d � Z� ZS ) �_SelectorTransporti Nc s� t � �||� t�|�| jd< z |�� | jd< W n ty& d | jd< Y nw d| jvrEz |�� | jd< W n tj yD d | jd< Y nw || _ |� � | _ d| _ | �|� || _| �� | _d| _d| _| jd urm| j�� | |j| j < d S )NrG �socknamerb Fr )r r r rl �_extra� getsocknamerW � getpeernamerG �errorr� rD r� �_protocol_connected� set_protocol�_server�_buffer_factory�_buffer� _conn_lost�_closing�_attachr# )r$ r� r, r- r' r( r% r r r w s0 � � z_SelectorTransport.__init__c C s� | j jg}| jd u r|�d� n| jr|�d� |�d| j� �� | jd urc| j�� sct| jj | jt j �}|r=|�d� n|�d� t| jj | jt j �}|rQd}nd}| � � }|�d|� d |� d �� d �d �|��S ) N�closed�closingzfd=z read=pollingz read=idle�polling�idlezwrite=<z , bufsize=�>z<{}>� )r r r� �appendr� r� �_loopr> r r r r� r� �get_write_buffer_size�format�join)r$ �infor� �state�bufsizer r r �__repr__� s. � �z_SelectorTransport.__repr__c C s | � d � d S r* )� _force_closerA r r r �abort� s z_SelectorTransport.abortc C s || _ d| _d S �NT)� _protocolr� �r$ r- r r r r� � s z _SelectorTransport.set_protocolc C � | j S r* )r rA r r r � get_protocol� � z _SelectorTransport.get_protocolc C r r* )r� rA r r r r� � r z _SelectorTransport.is_closingc C sX | j rd S d| _ | j�| j� | js*| jd7 _| j�| j� | j�| jd � d S d S �NTr ) r� r rB r� r� r� r� � call_soon�_call_connection_lostrA r r r r@ � s �z_SelectorTransport.closec C s0 | j d ur|d| ��t| d� | j �� d S d S )Nzunclosed transport )�source)r� �ResourceWarningr@ )r$ �_warnr r r �__del__� s �z_SelectorTransport.__del__�Fatal error on transportc C sN t |t�r| j�� rtjd| |dd� n | j�||| | jd�� | �|� d S )Nz%r: %sTrT )r` ra ru r- ) r{ rW r � get_debugr r rk r r )r$ rt r` r r r � _fatal_error� s ��z _SelectorTransport._fatal_errorc C sd | j rd S | jr| j�� | j�| j� | js!d| _| j�| j� | j d7 _ | j�| j |� d S r ) r� r� �clearr r� r� r� rB r r �r$ rt r r r r � s z _SelectorTransport._force_closec C s� z*| j r | j�|� W | j�� d | _d | _d | _| j}|d ur)|�� d | _d S d S | j�� d | _d | _d | _| j}|d urG|�� d | _w r* )r� r �connection_lostr� r@ r r� �_detach)r$ rt r( r r r r � s* � � �z(_SelectorTransport._call_connection_lostc C s t | j�S r* )r� r� rA r r r r � � z(_SelectorTransport.get_write_buffer_sizec G s$ | j rd S | jj||g|�R � d S r* )r� r rJ r� r r r rJ � s z _SelectorTransport._add_reader)NN)r )r r� r� �max_size� bytearrayr� r� r r r r� r r� r@ �warnings�warnr r r r r rJ r� r r r% r r� k s" r� c s� e Zd ZdZejjZ d#� fdd� Z� fdd�Z dd� Z d d � Z d d � Z d d� Z dd� Zdd� Zdd� Zdd� Zdd� Zdd� Zdd � Z� fd d �Zd d � Zd!d"� Z� ZS )$r+ TNc s� d | _ t� �|||||� d| _d| _d | _t�| j� | j � | j j | � | j � | j | j| j� |d ur?| j � tj|d � d S d S r )�_read_ready_cbr r �_eof�_paused� _empty_waiterr � _set_nodelayr� r r r �connection_maderJ r� � _read_readyr � _set_result_unless_cancelled)r$ r� r, r- r. r' r( r% r r r s � ��z!_SelectorSocketTransport.__init__c s. t |tj�r | j| _n| j| _t� �|� d S r* )r{ r �BufferedProtocol�_read_ready__get_bufferr' �_read_ready__data_receivedr r� r r% r r r� s z%_SelectorSocketTransport.set_protocolc C s | j o| j S r* )r) r� rA r r r r� s z#_SelectorSocketTransport.is_readingc C sB | j s| jrd S d| _| j�| j� | j�� r t�d| � d S d S )NTz%r pauses reading)r� r) r rB r� r r r rA r r r r� " s �z&_SelectorSocketTransport.pause_readingc C sD | j s| jsd S d| _| �| j| j� | j�� r t�d| � d S d S )NFz%r resumes reading) r� r) rJ r� r- r r r r rA r r r r� * s �z'_SelectorSocketTransport.resume_readingc C s | � � d S r* )r' rA r r r r- 2 s z$_SelectorSocketTransport._read_readyc C sD | j rd S z| j�d�}t|�std��W n" ttfy � ty7 } z | �|d� W Y d }~d S d }~ww z| j � |�}W n- t t fyL Y d S ttfyU � tym } z | �|d� W Y d }~d S d }~ww |sv| � � d S z | j�|� W d S ttfy� � ty� } z | �|d� W Y d }~d S d }~ww )N���z%get_buffer() returned an empty bufferz/Fatal error: protocol.get_buffer() call failed.�$Fatal read error on socket transportz3Fatal error: protocol.buffer_updated() call failed.)r� r � get_bufferr� r= rx ry rw r r� r� rR rQ �_read_ready__on_eof�buffer_updated)r$ r� rt r� r r r r0 5 sP ���� �����z0_SelectorSocketTransport._read_ready__get_bufferc C s� | j rd S z | j�| j�}W n- ttfy Y d S ttfy# � ty; } z | � |d� W Y d }~d S d }~ww |sD| � � d S z | j � |� W d S ttfyW � tyo } z | � |d� W Y d }~d S d }~ww )Nr3 z2Fatal error: protocol.data_received() call failed.) r� r� rP r# rR rQ rx ry rw r r5 r � data_received)r$ rM rt r r r r1 Z s4 �����z3_SelectorSocketTransport._read_ready__data_receivedc C s� | j �� r t�d| � z| j�� }W n" ttfy � ty4 } z | � |d� W Y d }~d S d }~ww |r@| j � | j � d S | � � d S )Nz%r received EOFz1Fatal error: protocol.eof_received() call failed.) r r r r r � eof_receivedrx ry rw r rB r� r@ )r$ � keep_openrt r r r r5 s s ��� z,_SelectorSocketTransport._read_ready__on_eofc C s( t |tttf�stdt|�j����| jrtd��| j d ur"td��|s&d S | j r=| j t j kr4t �d� | j d7 _ d S | js�z| j�|�}W n, ttfyS Y n, ttfy\ � tyt } z | �|d� W Y d }~d S d }~ww ||d � }|sd S | j�| j| j� | j� |� | � � d S )N�/data argument must be a bytes-like object, not z%Cannot call write() after write_eof()z(unable to write; sendfile is in progress� socket.send() raised exception.r �%Fatal write error on socket transport) r{ �bytesr$ r� r~ r� r r( r= r* r� r �!LOG_THRESHOLD_FOR_CONNLOST_WRITESr �warningr� r� rV rR rQ rx ry rw r r r� r� � _write_ready�extend�_maybe_pause_protocol)r$ rM r� rt r r r �write� sB � �� z _SelectorSocketTransport.writec C s8 | j sJ d��| jr d S z | j�| j �}W nK ttfy! Y d S ttfy* � ty` } z+| j � | j � | j � � | � |d� | jd urU| j�|� W Y d }~d S W Y d }~d S d }~ww |ri| j d |�= | �� | j s�| j � | j � | jd ur�| j�d � | jr�| �d � d S | jr�| j�tj� d S d S d S )NzData should not be emptyr< )r� r� r� rV rR rQ rx ry rw r r� r� r r r* r� �_maybe_resume_protocolr� r� r r( �shutdownrG �SHUT_WR)r$ r� rt r r r r@ � s> ��� �z%_SelectorSocketTransport._write_readyc C s2 | j s| jrd S d| _| js| j�tj� d S d S r )r� r( r� r� rE rG rF rA r r r � write_eof� s �z"_SelectorSocketTransport.write_eofc C s dS r r rA r r r � can_write_eof� rO z&_SelectorSocketTransport.can_write_eofc s. t � �|� | jd ur| j�td�� d S d S )Nz Connection is closed by peer)r r r* r� �ConnectionErrorr r% r r r � s ��z._SelectorSocketTransport._call_connection_lostc C s6 | j d ur td��| j�� | _ | js| j �d � | j S )NzEmpty waiter is already set)r* r= r rv r� r� rA r r r r� � s z+_SelectorSocketTransport._make_empty_waiterc C s d | _ d S r* )r* rA r r r r� � r" z,_SelectorSocketTransport._reset_empty_waiterr� )r r� r� �_start_tls_compatibler � _SendfileMode� TRY_NATIVE�_sendfile_compatibler r� r� r� r� r- r0 r1 r5 rC r@ rG rH r r� r� r� r r r% r r+ � s* � %' r+ c sJ e Zd ZejZ d � fdd� Zdd� Zdd� Zd dd �Z d d � Z � Z S )r9 Nc sb t � �||||� || _| j�| jj| � | j�| j| j| j � |d ur/| j�t j |d � d S d S r* ) r r �_addressr r r r, rJ r� r- r r. )r$ r� r, r- r: r. r' r% r r r � s � ��z#_SelectorDatagramTransport.__init__c C s t dd� | jD ��S )Nc s s � | ] \}}t |�V qd S r* )r� )�.0rM rq r r r � <genexpr>� s � zC_SelectorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr� rA r r r r � s z0_SelectorDatagramTransport.get_write_buffer_sizec C s� | j rd S z | j�| j�\}}W nE ttfy Y d S ty4 } z | j�|� W Y d }~d S d }~w t t fy= � t yU } z | � |d� W Y d }~d S d }~ww | j� ||� d S )Nz&Fatal read error on datagram transport)r� r� �recvfromr# rR rQ rW r �error_receivedrx ry rw r �datagram_received�r$ rM rs rt r r r r- � s ���z&_SelectorDatagramTransport._read_readyc C s| t |tttf�stdt|�j����|sd S | jr+|d | jfvr(td| j� ���| j}| j rE| jrE| j t j kr<t � d� | j d7 _ d S | js�z| jd rW| j�|� W d S | j�||� W d S ttfyt | j�| j| j� Y n: ty� } z | j�|� W Y d }~d S d }~w t t fy� � t y� } z | � |d� W Y d }~d S d }~ww | j� t|�|f� | �!� d S )Nr: z!Invalid address: must be None or r; r rb �'Fatal write error on datagram transport)"r{ r= r$ r� r~ r� r rN r r� r r> r r? r� r� r� rV �sendtorR rQ r r� r� � _sendto_readyrW r rS rx ry rw r r rB rU r r r rW sR � � � ���� z!_SelectorDatagramTransport.sendtoc C s | j ro| j �� \}}z| jd r| j�|� n| j�||� W nL ttfy2 | j �||f� Y n= t yJ } z | j � |� W Y d }~d S d }~w t t fyS � tyk } z | �|d� W Y d }~d S d }~ww | j s| �� | j s�| j�| j� | jr�| �d � d S d S d S )Nrb rV )r� �popleftr� r� rV rW rR rQ � appendleftrW r rS rx ry rw r rD r r� r� r� r rU r r r rX 8 s> � ������z(_SelectorDatagramTransport._sendto_readyr� r* ) r r� r� � collections�dequer� r r r- rW rX r� r r r% r r9 � s � +r9 ) r� �__all__r[ rf r� r rG r% r! �ssl� ImportError� r r r r r r r r �logr r � BaseEventLoopr �_FlowControlMixin� Transportr� r+ r9 r r r r �<module> sH � D� o