o
    ACe=                  	   @  s8  U d dl mZ d dlZd dlmZ d dlmZmZ d dlm	Z	m
Z
 d dlZddlmZ ddlmZmZ dd	lmZmZ e	rId d
lmZ ddlmZ dZejejhZedddZeG dd deZg dZe  Z!de"d< eD ]Z#ee$ e!%e&ee# W d   n1 sw   Y  qoeG dd dee Z'dS )    )annotationsN)	Generator)contextmanagersuppress)TYPE_CHECKINGoverload   )socket)ConflictDetectorfinal)HalfCloseableStreamListener)Buffer)
SocketTypei   returnGenerator[None, None, None]c               
   c  sP    zd V  W d S  t y' }  z| jtv rtdd td|  | d } ~ ww )Nzthis socket was already closedzsocket connection broken: )OSErrorerrno_closed_stream_errnostrioClosedResourceErrorZBrokenResourceError)exc r   :usr/lib/python3.10/site-packages/trio/_highlevel_socket.py)_translate_socket_errors_to_stream_errors"   s   
r   c                   @  s   e Zd ZdZd*ddZd+d
dZd,ddZd,ddZd-d.ddZd,ddZ	e
d/ddZe
d0d dZ	d-d1d"dZe
d2d#d$Ze
d3d&d$Zd4d5d)d$ZdS )6SocketStreamuf  An implementation of the :class:`trio.abc.HalfCloseableStream`
    interface based on a raw network socket.

    Args:
      socket: The Trio socket object to wrap. Must have type ``SOCK_STREAM``,
          and be connected.

    By default for TCP sockets, :class:`SocketStream` enables ``TCP_NODELAY``,
    and (on platforms where it's supported) enables ``TCP_NOTSENT_LOWAT`` with
    a reasonable buffer size (currently 16 KiB) – see `issue #72
    <https://github.com/python-trio/trio/issues/72>`__ for discussion. You can
    of course override these defaults by calling :meth:`setsockopt`.

    Once a :class:`SocketStream` object is constructed, it implements the full
    :class:`trio.abc.HalfCloseableStream` interface. In addition, it provides
    a few extra features:

    .. attribute:: socket

       The Trio socket object that this stream wraps.

    r	   r   c                 C  s   t |tjs
td|jtjkrtd|| _td| _	t
t | tjtjd W d    n1 s4w   Y  ttdr^t
t | tjtjd W d    d S 1 sWw   Y  d S d S )Nz*SocketStream requires a Trio socket objectz*SocketStream requires a SOCK_STREAM socketz;another task is currently sending data on this SocketStreamTTCP_NOTSENT_LOWATi @  )
isinstancetsocketr   	TypeErrortypeSOCK_STREAM
ValueErrorr	   r
   _send_conflict_detectorr   r   
setsockoptIPPROTO_TCPTCP_NODELAYhasattrr   )selfr	   r   r   r   __init__F   s    



"zSocketStream.__init__databytes | bytearray | memoryviewr   Nonec                   sV  | j jr
td| j t x t|d}|sB| j  dkr%tdtj	 I d H  	 W d    W d    W d    d S d}|t
|k rs||d  }| j |I d H }W d    n1 sdw   Y  ||7 }|t
|k sJW d    n1 s}w   Y  W d    n1 sw   Y  W d    d S W d    d S 1 sw   Y  d S )Nz!can't send data after sending EOFzsocket was already closedr   )r	   did_shutdown_SHUT_WRr   r   r#   r   
memoryviewfilenolowlevel
checkpointlensend)r(   r*   
total_sent	remainingsentr   r   r   send_alld   s8   


"zSocketStream.send_allc              	     s   | j 6 | j dkrtjt  | j I d H  W d    n1 s%w   Y  W d    d S W d    d S 1 s=w   Y  d S )Nr-   )r#   r	   r0   r   r   r   Zwait_writabler(   r   r   r   wait_send_all_might_not_blocku   s   "z*SocketStream.wait_send_all_might_not_blockc              	     s   | j @ tj I d H  | jjr	 W d    d S t  | jtj	 W d    n1 s/w   Y  W d    d S W d    d S 1 sGw   Y  d S N)
r#   r   r1   r2   r	   r.   r   shutdownr   SHUT_WRr9   r   r   r   send_eof|   s   "zSocketStream.send_eofN	max_bytes
int | Nonebytesc                   sZ   |d u rt }|dk rtdt  | j|I d H W  d    S 1 s&w   Y  d S )Nr   zmax_bytes must be >= 1)DEFAULT_RECEIVE_SIZEr"   r   r	   recv)r(   r?   r   r   r   receive_some   s   $zSocketStream.receive_somec                   s    | j   tj I d H  d S r;   r	   closer   r1   r2   r9   r   r   r   aclose   s   
zSocketStream.acloselevelintoptionvalueint | Bufferc                 C     d S r;   r   )r(   rH   rJ   rK   r   r   r   r$         zSocketStream.setsockoptlengthc                 C  rM   r;   r   r(   rH   rJ   rK   rO   r   r   r   r$      rN   int | Buffer | Nonec                 C  sR   |du r|du rt d| j|||S |dur t d|d| j||||S )zlSet an option on the underlying socket.

        See :meth:`socket.socket.setsockopt` for details.

        NzKinvalid value for argument 'value', must not be None when specifying lengthz$invalid value for argument 'value': z%, must be None when specifying optlen)r   r	   r$   rP   r   r   r   r$      s   
c                 C  rM   r;   r   )r(   rH   rJ   r   r   r   
getsockopt   rN   zSocketStream.getsockopt
buffersizec                 C  rM   r;   r   r(   rH   rJ   rS   r   r   r   rR      rN   r   int | bytesc                 C  s&   |dkr| j ||S | j |||S )zCheck the current value of an option on the underlying socket.

        See :meth:`socket.socket.getsockopt` for details.

        r   )r	   rR   rT   r   r   r   rR      s   	r	   r   )r*   r+   r   r,   r   r,   r;   )r?   r@   r   rA   )rH   rI   rJ   rI   rK   rL   r   r,   )
rH   rI   rJ   rI   rK   r,   rO   rI   r   r,   )
rH   rI   rJ   rI   rK   rQ   rO   r@   r   r,   )rH   rI   rJ   rI   r   rI   )rH   rI   rJ   rI   rS   rI   r   rA   )r   )rH   rI   rJ   rI   rS   rI   r   rU   )__name__
__module____qualname____doc__r)   r8   r:   r>   rD   rG   r   r$   rR   r   r   r   r   r   -   s&    





r   )EPERMZECONNABORTEDZEPROTOZENETDOWNZENOPROTOOPTZ	EHOSTDOWNZENONETZEHOSTUNREACH
EOPNOTSUPPZENETUNREACHZENOSRZESOCKTNOSUPPORTZEPROTONOSUPPORTZ	ETIMEDOUTZ
ECONNRESETzset[int]_ignorable_accept_errnosc                   @  s.   e Zd ZdZdddZddd	ZdddZdS )SocketListenera  A :class:`~trio.abc.Listener` that uses a listening socket to accept
    incoming connections as :class:`SocketStream` objects.

    Args:
      socket: The Trio socket object to wrap. Must have type ``SOCK_STREAM``,
          and be listening.

    Note that the :class:`SocketListener` "takes ownership" of the given
    socket; closing the :class:`SocketListener` will also close the socket.

    .. attribute:: socket

       The Trio socket object that this stream wraps.

    r	   r   c                 C  sf   t |tjs
td|jtjkrtdz
|tjtj	}W n	 t
y'   Y nw |s.td|| _d S )Nz,SocketListener requires a Trio socket objectz,SocketListener requires a SOCK_STREAM socketz*SocketListener requires a listening socket)r   r   r   r   r    r!   r"   rR   
SOL_SOCKETSO_ACCEPTCONNr   r	   )r(   r	   Z	listeningr   r   r   r)   r  s   
zSocketListener.__init__r   r   c              
     sh   	 z| j  I dH \}}W t|S  ty2 } z|jtv r"tjd|jtvr( W Y d}~nd}~ww q)a#  Accept an incoming connection.

        Returns:
          :class:`SocketStream`

        Raises:
          OSError: if the underlying call to ``accept`` raises an unexpected
              error.
          ClosedResourceError: if you already closed the socket.

        This method handles routine errors like ``ECONNABORTED``, but passes
        other errors on to its caller. In particular, it does *not* make any
        special effort to handle resource exhaustion errors like ``EMFILE``,
        ``ENFILE``, ``ENOBUFS``, ``ENOMEM``.

        TN)	r	   acceptr   r   r   r   r   r^   r   )r(   sock_r   r   r   r   rb     s   

zSocketListener.acceptr,   c                   s    | j   tj I dH  dS )z.Close this listener and its underlying socket.NrE   r9   r   r   r   rG     s   
zSocketListener.acloseNrV   )r   r   rW   )rX   rY   rZ   r[   r)   rb   rG   r   r   r   r   r_   `  s
    

r_   )r   r   )(
__future__r   r   collections.abcr   
contextlibr   r   typingr   r   r    r	   r   Z_utilr
   r   abcr   r   typing_extensionsr   _socketr   rB   EBADFENOTSOCKr   r   r   Z_ignorable_accept_errno_namessetr^   __annotations__nameAttributeErroraddgetattrr_   r   r   r   r   <module>   s>   
  
