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� d| _| js�| �� | js�| �� | �� | �� dS )zx Open port with current settings. This may throw a SerialException
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Nz.Port must be configured before it can be used.zPort is already open.)�timeoutzCould not open port {}: {}FT)�loggerZ_portr �is_open�socketZcreate_connection�from_urlZportstr� POLL_TIMEOUT�_socket� Exception�formatZ setblocking�_reconfigure_portZ_dsrdtr�_update_dtr_stateZ_rtscts�_update_rts_state�reset_input_buffer�reset_output_buffer)�self�msg� r# �E/usr/lib/python3.9/site-packages/serial/urlhandler/protocol_socket.py�open1 s&
( z Serial.openc C s( | j du rtd��| jr$| j�d� dS )zz Set communication parameters on opened port. For the socket://
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Nz Can only operate on open portsz!ignored port configuration change)r r r r �r! r# r# r$ r O s
zSerial._reconfigure_portc C sP | j rL| jr<z | j�tj� | j�� W n Y n0 d| _d| _ t�d� dS )z
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z(extract host and port from an URL stringr zexpected a string in the form "socket://<host>:<port>[?logging={debug|info|warning|error}]": not starting with socket:// ({!r})T�loggingzpySerial.socketr zenabled loggingzunknown option: {!r}i zport not in range 0...65535z_expected a string in the form "socket://<host>:<port>[?logging={debug|info|warning|error}]": {}N)�urlparse�urlsplit�schemer r �parse_qs�query�itemsr* Z basicConfigZ getLoggerr ZsetLevel�
LOGGER_LEVELSr �
ValueError�port�hostname)r! �url�parts�option�values�er# r# r$ r h s0
�� ��zSerial.from_urlc C s, | j s
t�t�| jgg g d�\}}}t|�S )z9Return the number of bytes currently in the input buffer.r )r r �selectr �len)r! ZlrZlwZlxr# r# r$ �
in_waiting� s zSerial.in_waiting� c
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t�t� }t| j�}t|�|k �r:zVt�| jgg g |�� �\}}}|sRW �q:| j� |t|� �}|srt
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d}~0 0 |�� r�q:qt|�S )z� Read size bytes from the serial port. If a timeout is set it may
return less characters as requested. With no timeout it will block
until the requested number of bytes is read.
zsocket disconnected�read failed: {}Nr )r r � bytearrayr �_timeoutr; r: r � time_left�recvr �extend�OSError�errno�EAGAIN�EALREADY� EWOULDBLOCK� EINPROGRESS�EINTRr r
r �expired�bytes)r! �size�readr �ready�_�bufr9 r# r# r$ rN � s,
""$z Serial.readc
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� r(t �q(|t|� S )z� Output the given byte string over the serial port. Can block if the
connection is blocked. May raise SerialException if the connection is
closed.
r Nzwrite failed (select)zwrite failed: {})r r r r; r Z_write_timeoutr �sendZis_non_blockingZ is_infiniterK r r: rA r rD rE rF rG rH rI rJ r r
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""$z Serial.writec
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|���W Y d}~qd}~0 0 qdS )z9Clear input buffer, discarding all that is in the buffer.Tr i r> N)r r r: r rB rD rE rF rG rH rI rJ r r r
r )r! rO rP r9 r# r# r$ r � s " zSerial.reset_input_bufferc C s | j s
t�| jr | j�d� dS )zs Clear output buffer, aborting the current output and
discarding all that is in the buffer.
zignored reset_output_bufferN�r r r r r& r# r# r$ r s zSerial.reset_output_buffer� �?c C s& | j s
t�| jr"| j�d�|�� dS )za Send break condition. Timed, returns to idle state after given
duration.
zignored send_break({!r})N)r r r r r )r! Zdurationr# r# r$ �
send_break s zSerial.send_breakc C s | j r| j �d�| j�� dS )zJSet break: Controls TXD. When active, to transmitting is
possible.z!ignored _update_break_state({!r})N)r r r Z _break_stater& r# r# r$ �_update_break_state s zSerial._update_break_statec C s | j r| j �d�| j�� dS )z)Set terminal status line: Request To Sendz ignored _update_rts_state({!r})N)r r r Z
_rts_stater& r# r# r$ r " s zSerial._update_rts_statec C s | j r| j �d�| j�� dS )z-Set terminal status line: Data Terminal Readyz ignored _update_dtr_state({!r})N)r r r Z
_dtr_stater& r# r# r$ r ' s zSerial._update_dtr_statec C s | j s
t�| jr | j�d� dS )z(Read terminal status line: Clear To Sendzreturning dummy for ctsTrX r& r# r# r$ �cts, s
z
Serial.ctsc C s | j s
t�| jr | j�d� dS )z)Read terminal status line: Data Set Readyzreturning dummy for dsrTrX r& r# r# r$ �dsr5 s
z
Serial.dsrc C s | j s
t�| jr | j�d� dS )z)Read terminal status line: Ring Indicatorzreturning dummy for riFrX r& r# r# r$ �ri> s
z Serial.ric C s | j s
t�| jr | j�d� dS )z)Read terminal status line: Carrier Detectzreturning dummy for cd)TrX r& r# r# r$ �cdG s
z Serial.cdc C s
| j �� S )z@Get the file handle of the underlying socket for use with select)r �filenor& r# r# r$ r` S s z
Serial.filenoN)r= )rY )�__name__�
__module__� __qualname__�__doc__Z BAUDRATESr% r r' r �propertyr< rN rW r r rZ r[ r r r\ r] r^ r_ r` r# r# r# r$ r + s2
)5
r �__main__zsocket://localhost:7000z{}
z write...
s hello
z read: {}
) rE r* r: r r( r+ � ImportError� urllib.parse�parseZserial.serialutilr r r r r r �DEBUG�INFOZWARNINGZERRORr1 r r ra �sys�s�stdoutrW r �flushrN r' r# r# r# r$ �<module> s6 � 1