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� d| _| jsN| �� | jsU| �� | �� | �� 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)�logger�_portr �is_open�socket�create_connection�from_url�portstr� POLL_TIMEOUT�_socket� Exception�format� setblocking�_reconfigure_port�_dsrdtr�_update_dtr_state�_rtscts�_update_rts_state�reset_input_buffer�reset_output_buffer)�self�msg� r+ �C/usr/lib/python3/dist-packages/serial/urlhandler/protocol_socket.py�open3 s*
�� z Serial.openc C s, | j du r td��| jr| j�d� dS 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
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Close portNFg333333�?)r r �shutdownr � SHUT_RDWR�close�time�sleepr. r+ r+ r, r1 [ s �z Serial.closec
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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�itemsr4 � basicConfig� getLoggerr �setLevel�
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ValueError�port�hostname)r) �url�parts�option�values�er+ r+ r, r j s6
� ����� zSerial.from_urlc C s. | j st� �t�| jgg g d�\}}}t|�S )z9Return the number of bytes currently in the input buffer.r )r r �selectr �len)r) �lr�lw�lxr+ r+ r, �
in_waiting� s zSerial.in_waiting� c
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d�|���W Y d}~nd}~ww |�� r� t|�S t|�|k st|�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 �_timeoutrH rG r � time_left�recvr �extend�OSError�errno�EAGAIN�EALREADY� EWOULDBLOCK� EINPROGRESS�EINTRr r r �expired�bytes)r) �size�readr �ready�_�bufrF r+ r+ r, r^ � s<
� �� ��� � z Serial.readc
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� r�t d��|dks|t|� S )z� Output the given byte string over the serial port. Can block if the
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r z
Write timeoutNzwrite failed (select)zwrite failed: {})r r r rH r �_write_timeoutr �send�is_non_blocking� is_infiniter[ r rG rQ r rT rU rV rW rX rY rZ r r )
r) �data�d�tx_len�lengthr �nr` r_ rF r+ r+ r, �write� sP
� �� ���� 'z Serial.writec
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dS dS )z9Clear input buffer, discarding all that is in the buffer.Tr i rN N)r r rG r rR rT rU rV rW rX rY rZ r r r r )r) r_ r` rF r+ r+ r, r' � s* � �� ��� �zSerial.reset_input_bufferc C s& | j st� �| jr| j�d� dS 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
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�zSerial.reset_output_buffer� �?c C s, | j st� �| jr| j�d�|�� dS dS )za Send break condition. Timed, returns to idle state after given
duration.
zignored send_break({!r})N)r r r r
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send_break s
�zSerial.send_breakc C �" | j r| j �d�| j�� dS dS )zJSet break: Controls TXD. When active, to transmitting is
possible.z!ignored _update_break_state({!r})N)r r
r � _break_stater. r+ r+ r, �_update_break_state s �zSerial._update_break_statec C rp )z)Set terminal status line: Request To Sendz ignored _update_rts_state({!r})N)r r
r �
_rts_stater. r+ r+ r, r& % � �zSerial._update_rts_statec C rp )z-Set terminal status line: Data Terminal Readyz ignored _update_dtr_state({!r})N)r r
r �
_dtr_stater. r+ r+ r, r$ * rt zSerial._update_dtr_statec C �" | j st� �| jr| j�d� dS )z(Read terminal status line: Clear To Sendzreturning dummy for ctsTrl r. r+ r+ r, �cts/ �
z
Serial.ctsc C rv )z)Read terminal status line: Data Set Readyzreturning dummy for dsrTrl r. r+ r+ r, �dsr8 rx z
Serial.dsrc C rv )z)Read terminal status line: Ring Indicatorzreturning dummy for riFrl r. r+ r+ r, �riA rx z Serial.ric C rv )z)Read terminal status line: Carrier Detectzreturning dummy for cd)Trl r. r+ r+ r, �cdJ rx 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| V s
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