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 \��@sRdZddddgZGdd�d�ZGdd�de�ZGdd�de�ZGdd�de�Zd	S)
zAbstract Protocol class.�BaseProtocol�Protocol�DatagramProtocol�SubprocessProtocolc@s0eZdZdZdd�Zdd�Zdd�Zdd	�Zd
S)raCommon base class for protocol interfaces.

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    cCsdS)z�Called when a connection is made.

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        N�)�selfZ	transportrr�)/usr/lib64/python3.6/asyncio/protocols.py�connection_madeszBaseProtocol.connection_madecCsdS)z�Called when the connection is lost or closed.

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        Nr)r�excrrr�connection_lostszBaseProtocol.connection_lostcCsdS)aCalled when the transport's buffer goes over the high-water mark.

        Pause and resume calls are paired -- pause_writing() is called
        once when the buffer goes strictly over the high-water mark
        (even if subsequent writes increases the buffer size even
        more), and eventually resume_writing() is called once when the
        buffer size reaches the low-water mark.

        Note that if the buffer size equals the high-water mark,
        pause_writing() is not called -- it must go strictly over.
        Conversely, resume_writing() is called when the buffer size is
        equal or lower than the low-water mark.  These end conditions
        are important to ensure that things go as expected when either
        mark is zero.

        NOTE: This is the only Protocol callback that is not called
        through EventLoop.call_soon() -- if it were, it would have no
        effect when it's most needed (when the app keeps writing
        without yielding until pause_writing() is called).
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pause_writing!szBaseProtocol.pause_writingcCsdS)zvCalled when the transport's buffer drains below the low-water mark.

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        Nr)rrrr�resume_writing7szBaseProtocol.resume_writingN)�__name__�
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c@s eZdZdZdd�Zdd�ZdS)ranInterface for stream protocol.

    The user should implement this interface.  They can inherit from
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    nothing (they don't raise exceptions).

    When the user wants to requests a transport, they pass a protocol
    factory to a utility function (e.g., EventLoop.create_connection()).

    When the connection is made successfully, connection_made() is
    called with a suitable transport object.  Then data_received()
    will be called 0 or more times with data (bytes) received from the
    transport; finally, connection_lost() will be called exactly once
    with either an exception object or None as an argument.

    State machine of calls:

      start -> CM [-> DR*] [-> ER?] -> CL -> end

    * CM: connection_made()
    * DR: data_received()
    * ER: eof_received()
    * CL: connection_lost()
    cCsdS)zTCalled when some data is received.

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        Nr)r�datarrr�
data_receivedXszProtocol.data_receivedcCsdS)z�Called when the other end calls write_eof() or equivalent.

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        Nr)rrrr�eof_received^szProtocol.eof_receivedN)r
rrrrrrrrrr>sc@s eZdZdZdd�Zdd�ZdS)rz Interface for datagram protocol.cCsdS)z&Called when some datagram is received.Nr)rrZaddrrrr�datagram_receivedjsz"DatagramProtocol.datagram_receivedcCsdS)z~Called when a send or receive operation raises an OSError.

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        Nr)rr	rrr�error_receivedmszDatagramProtocol.error_receivedN)r
rrrrrrrrrrgsc@s(eZdZdZdd�Zdd�Zdd�ZdS)	rz,Interface for protocol for subprocess calls.cCsdS)z�Called when the subprocess writes data into stdout/stderr pipe.

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        Nr)r�fdrrrr�pipe_data_receivedwsz%SubprocessProtocol.pipe_data_receivedcCsdS)z�Called when a file descriptor associated with the child process is
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        Nr)rrr	rrr�pipe_connection_lost~sz'SubprocessProtocol.pipe_connection_lostcCsdS)z"Called when subprocess has exited.Nr)rrrr�process_exited�sz!SubprocessProtocol.process_exitedN)r
rrrrrrrrrrrtsN)r�__all__rrrrrrrr�<module>s7)