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� � � � � � � �@ � � � � � � � � c c s | ]\}}||fV qd S )N� )�.0�k�vrH rH �2/tmp/pip-build-8nxjc3nm/pyserial/serial/rfc2217.py� <genexpr>� s rM c c s | ]\}}||fV qd S )NrH )rI rJ rK rH rH rL rM � s � REQUESTED�ACTIVE�INACTIVE�REALLY_INACTIVEc @ s* e Zd ZdZd dd�Zdd� Zdd� ZdS )
� TelnetOptionz@Manage a single telnet option, keeps track of DO/DONT WILL/WONT.Nc
C s@ || _ || _|| _|| _|| _|| _|| _|| _d| _| | _ dS )a; Initialize option.
:param connection: connection used to transmit answers
:param name: a readable name for debug outputs
:param send_yes: what to send when option is to be enabled.
:param send_no: what to send when option is to be disabled.
:param ack_yes: what to expect when remote agrees on option.
:param ack_no: what to expect when remote disagrees on option.
:param initial_state: options initialized with REQUESTED are tried to
be enabled on startup. use INACTIVE for all others.
FN)
�
connection�name�option�send_yes�send_no�ack_yes�ack_no�state�active�activation_callback)
�selfrS rT rU rV rW rX rY Z
initial_stater\ rH rH rL �__init__� s
zTelnetOption.__init__c C s dj | d�S )zString for debug outputsz {o.name}:{o.active}({o.state}))�o)�format)r] rH rH rL �__repr__ s zTelnetOption.__repr__c C s& || j kr�| jtkr4t| _d| _| jdk r�| j� nt| jtkr@nh| jtkr|t| _| jj| j | j
� d| _| jdk r�| j� n,| jt kr�| jj| j | j
� nt
dj| ���nx|| jk�r"| jtkr�t| _d| _nT| jtkr�t| _| jj| j | j
� d| _n*| jtk�rn | jt k�rnt
dj| ���dS )zo A DO/DONT/WILL/WONT was received for this option, update state and
answer when needed.
TNz option in illegal state {!r}F)rX rZ rN rO r[ r\ rP rS �telnet_send_optionrV rU rQ rW �
ValueErrorr` rY )r] �commandrH rH rL �process_incoming s<
z TelnetOption.process_incoming)N)�__name__�
__module__� __qualname__�__doc__r^ ra re rH rH rH rL rR � s
rR c @ sL e Zd ZdZddd�Zdd� Zdd� Zd d
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�Z
dd� Z dS )�TelnetSubnegotiationz� A object to handle subnegotiation of options. In this case actually
sub-sub options for RFC 2217. It is used to track com port options.
Nc C s4 |d kr |}|| _ || _|| _d | _|| _t| _d S )N)rS rT rU �value�
ack_optionrP rZ )r] rS rT rU rl rH rH rL r^ 9 s z TelnetSubnegotiation.__init__c C s dj | d�S )zString for debug outputs.z{sn.name}:{sn.state})Zsn)r` )r] rH rH rL ra C s z TelnetSubnegotiation.__repr__c C sD || _ t| _| jj| j| j � | jjr@| jjjdj| j | j �� dS )z� Request a change of the value. a request is sent to the server. if
the client needs to know if the change is performed he has to check the
state of this object.
zSB Requesting {} -> {!r}N)
rk rN rZ rS �rfc2217_send_subnegotiationrU �loggerr r` rT )r] rk rH rH rL �setG s
zTelnetSubnegotiation.setc C s$ | j tkrtdj| j���| j tkS )z{ Check if answer from server has been received. when server rejects
the change, raise a ValueError.
z%remote rejected value for option {!r})rZ rQ rc r` rT rO )r] rH rH rL �is_readyS s
z TelnetSubnegotiation.is_readyrF c C s> t |�}x0|j� s(tjd� | j� r
P q
W tdj| j���dS )z� Wait until the subnegotiation has been acknowledged or timeout. It
can also throw a value error when the answer from the server does not
match the value sent.
g�������?z%timeout while waiting for option {!r}N)r �expired�time�sleeprp r r` rT )r] �timeoutZ
timeout_timerrH rH rL �wait^ s
zTelnetSubnegotiation.waitc C sN | j |dt| j �� kr t| _nt| _| jjrJ| jjjdj| j || j�� dS )z� Check an incoming subnegotiation block. The parameter already has
cut off the header like sub option number and com port option value.
NzSB Answer {} -> {!r} -> {})
rk �lenrO rZ rQ rS rn r r` rT )r] � suboptionrH rH rL � check_answerl s
z!TelnetSubnegotiation.check_answer)N)rF ) rf rg rh ri r^ ra ro rp �propertyr[ ru rx rH rH rH rL rj 3 s
rj c s e Zd ZdZdMZ� fdd�Zdd� Zdd� Zdd� Zdd � Z e
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d4d5� �Zd6d7� Zd8d9� Zd:d;� Zd<d=� Zd>d?� Zd@dA� Z dOdCdD�Z dEdF� Z dGdH� Z dIdJ� Z dKdL� Z!� Z"S )P�Serialz<Serial port implementation for RFC 2217 remote serial ports.�2 �K �n � � �� �, �X � � �` � �% � K � � � � � � c st d | _ d | _d| _d | _td�| _d| _d | _d | _d| _ d| _
d| _ d | _ d | _
d | _d | _tt| �j||� d S )Nr rE FrF ���)�_thread�_socket�
_linestate� _modemstater �_modemstate_timeout�_remote_suspend_flow� _write_lockrn �_ignore_set_control_answer�_poll_modem_state�_network_timeout�_telnet_options�_rfc2217_port_settings�_rfc2217_options� _read_buffer�superrz r^ )r] �args�kwargs)� __class__rH rL r^ � s
zSerial.__init__c C s d| _ d| _d| _d| _| jdkr*td��| jr8td��y0tj| j | j
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t ttttt �t| dt ttttt �t| dtttttt �t| dt ttttt �g| | _!t"| dt#t$�t"| dt%t&�t"| dt't(�t"| dt)t*�d�| _+t"| dt,t-�t"| dt.t/�d�| _0| j0j1| j+� d| _2d| _3t4d#�| _5d| _6d| _tj7| j8d�| _9| j9j:d� | j9j;d j| j�� | j9j<� y�x,| j!D ]"}|j=t k�r | j>|j?|j@� �q W t4| j�}xP|jA� �s�tBjCd � tDd d � |D ��tDd d � |D ��k�rPP �qPW td!j|���| j �r�| j jEd"j| j!�� | jF� | jG�s�| jH� | jI�s�| jJ� | jK� | jL� W n | jM� � Y nX dS )$zx Open port with current settings. This may throw a SerialException
if the port cannot be opened.
NFrF z.Port must be configured before it can be used.zPort is already open.rG )rt rE zCould not open port {}: {}z we-BINARYz
we-RFC2217�ECHOzwe-SGAzthey-SGAz they-BINARYz they-RFC2217�baudrate�datasize�parity�stopsize)r� r� r� r� �purge�control)r� r� r T)�targetz&pySerial RFC 2217 reader thread for {}g�������?c s s | ] }|j V qd S )N)r[ )rI r_ rH rH rL rM � s z Serial.open.<locals>.<genexpr>c s s | ]}|j tkV qd S )N)rZ rP )rI r_ rH rH rL rM � s z;Remote does not seem to support RFC2217 or BINARY mode {!r}zNegotiated options: {}r� )Nrn r� r� r� Z_portr �is_open�socket�create_connection�from_urlZportstrr� �
setsockopt� IPPROTO_TCP� TCP_NODELAY� Exceptionr` �Queuer� � threading�Lockr� rR �BINARY�WILL�WONT�DO�DONTrP �COM_PORT_OPTIONrN r� �SGAr� rj � SET_BAUDRATE�SERVER_SET_BAUDRATE� SET_DATASIZE�SERVER_SET_DATASIZE�
SET_PARITY�SERVER_SET_PARITY� SET_STOPSIZE�SERVER_SET_STOPSIZEr� �
PURGE_DATA�SERVER_PURGE_DATA� SET_CONTROL�SERVER_SET_CONTROLr� �updater� r� r r� r� �Thread�_telnet_read_loopr� � setDaemon�setName�startrZ rb rV rU rq rr rs �sumr
�_reconfigure_portZ_dsrdtr�_update_dtr_state�_rtscts�_update_rts_state�reset_input_buffer�reset_output_buffer�close)r] �msgZmandadory_optionsrU rt rH rH rL �open� s~
$
& z Serial.openc C s� | j dkrtd��| jdk r$td��d| j k o8dk n sNtdj| j���| jd jt j
d | j�� | jd
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d t| j �� | jj� }| jr�| jjdj|�� t| j�}xB|j� �s tjd� tdd� |D ��t|�kr�P q�W tdj|���| j�rH| jjdj|�� | j�rb| j �rbtd��n2| j�rv| j t � n | j �r�| j t � n
| j t � dS )z,Set communication parameters on opened port.Nz Can only operate on open portsz(write_timeout is currently not supportedr rD r@ zinvalid baudrate: {!r}r� s !Ir� s !Br� r� zNegotiating settings: {}g�������?c s s | ] }|j V qd S )N)r[ )rI r_ rH rH rL rM s z+Serial._reconfigure_port.<locals>.<genexpr>z7Remote does not accept parameter change (RFC2217): {!r}zNegotiated settings: {}z-xonxoff and rtscts together are not supportedl )!r� r Z_write_timeout�NotImplementedErrorZ _baudraterc r` r� ro �struct�packZ _bytesize�RFC2217_PARITY_MAPZ_parity�RFC2217_STOPBIT_MAPZ _stopbits�valuesrn r r r� rq rr rs r� rv r
r� Z_xonxoff�rfc2217_set_control� SET_CONTROL_USE_HW_FLOW_CONTROL� SET_CONTROL_USE_SW_FLOW_CONTROL� SET_CONTROL_USE_NO_FLOW_CONTROL)r] �itemsrt rH rH rL r� � s8
zSerial._reconfigure_portc C sb d| _ | jr6y | jjtj� | jj� W n Y nX | jrX| jjd� d| _tj d� d| _dS )z
Close portF� Ng333333�?)
r� r� �shutdownr� � SHUT_RDWRr� r� �joinrr rs )r] rH rH rL r� s
z Serial.closec C s. t j|�}|jdkr$tdj|j���y�x�t j|jd�j� D ]�\}}|dkr�tj � tj
d�| _ | j j t
|d � | j jd� q:|dkr�d| _q:|d kr�d| _q:|d
kr�t|d �| _q:td j|���q:W d|j ko�d k n s�td
��W n2 tk
�r } ztdj|���W Y dd}~X nX |j|jfS )zu extract host and port from an URL string, other settings are extracted
an stored in instance
Zrfc2217zqexpected a string in the form "rfc2217://<host>:<port>[?option[&option...]]": not starting with rfc2217:// ({!r})T�loggingzpySerial.rfc2217r zenabled loggingZign_set_controlZ
poll_modemrt zunknown option: {!r}i zport not in range 0...65535zPexpected a string in the form "rfc2217://<host>:<port>[?option[&option...]]": {}N)�urlparse�urlsplit�schemer r` �parse_qs�queryr� r� � basicConfig� getLoggerrn �setLevel�
LOGGER_LEVELSr r� r� �floatr� rc �port�hostname)r] �url�partsrU r� �erH rH rL r� 0 s4
zSerial.from_urlc C s | j s t� �| jj� S )z9Return the number of bytes currently in the input buffer.)r� r r� �qsize)r] rH rH rL �
in_waitingU s zSerial.in_waitingrE c C s� | j s t� �t� }yrt| j�}xbt|�|k r�| jdksB| jj� rJtd��| j j
d|j � �}|dkrlt |�S ||7 }|j
� r P q W W n tjk
r� Y nX t |�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.
Nz&connection failed (reader thread died)T)r� r � bytearrayr �_timeoutrv r� �is_aliver r� �getZ time_left�bytesrq r� �Empty)r] �size�datart �bufrH rH rL �read\ s"
z Serial.readc C sv | j s t� �| j�V y | jjt|�jtt�� W n2 t j
k
rb } zt dj |���W Y dd}~X nX W dQ R X 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.
z$connection failed (socket error): {}N)r� r r� r� �sendallr �replace�IAC� IAC_DOUBLEDr� r r r` rv )r] r� r� rH rH rL �writet s *z Serial.writec C s6 | j s t� �| jt� x| jj� r0| jjd� qW dS )z9Clear input buffer, discarding all that is in the buffer.FN)r� r �rfc2217_send_purge�PURGE_RECEIVE_BUFFERr� r� r� )r] rH rH rL r� � s
zSerial.reset_input_bufferc C s | j s t� �| jt� dS )zs Clear output buffer, aborting the current output and
discarding all that is in the buffer.
N)r� r r �PURGE_TRANSMIT_BUFFER)r] rH rH rL r� � s zSerial.reset_output_bufferc C sN | j s t� �| jr.| jjdj| jr&dnd�� | jr@| jt� n
| jt� dS )z[ Set break: Controls TXD. When active, to transmitting is
possible.
zset BREAK to {}r[ �inactiveN) r� r rn r
r` Z _break_stater� �SET_CONTROL_BREAK_ON�SET_CONTROL_BREAK_OFF)r] rH rH rL �_update_break_state� s zSerial._update_break_statec C sN | j s t� �| jr.| jjdj| jr&dnd�� | jr@| jt� n
| jt� dS )z*Set terminal status line: Request To Send.z
set RTS to {}r[ r N) r� r rn r
r` Z
_rts_stater� �SET_CONTROL_RTS_ON�SET_CONTROL_RTS_OFF)r] rH rH rL r� � s zSerial._update_rts_statec C sN | j s t� �| jr.| jjdj| jr&dnd�� | jr@| jt� n
| jt� dS )z.Set terminal status line: Data Terminal Ready.z
set DTR to {}r[ r N) r� r rn r
r` Z
_dtr_stater� �SET_CONTROL_DTR_ON�SET_CONTROL_DTR_OFF)r] rH rH rL r� � s zSerial._update_dtr_statec C s | j s t� �t| j� t@ �S )z)Read terminal status line: Clear To Send.)r� r �bool�get_modem_state�MODEMSTATE_MASK_CTS)r] rH rH rL �cts� s z
Serial.ctsc C s | j s t� �t| j� t@ �S )z*Read terminal status line: Data Set Ready.)r� r r r �MODEMSTATE_MASK_DSR)r] rH rH rL �dsr� s z
Serial.dsrc C s | j s t� �t| j� t@ �S )z*Read terminal status line: Ring Indicator.)r� r r r �MODEMSTATE_MASK_RI)r] rH rH rL �ri� s z Serial.ric C s | j s t� �t| j� t@ �S )z*Read terminal status line: Carrier Detect.)r� r r r �MODEMSTATE_MASK_CD)r] rH rH rL �cd� s z Serial.cdc C s� t }d}�z��x�| j�r�y| jjd�}W n` tjk
r@ wY nJ tjk
r� } z,| jrj| jjdj |�� | j
j d� P W Y dd}~X nX |s�| j
j d� P x�t |�D ]�}|t kr�|t
kr�t}n |dk r�||7 }n | j
j |� q�|tk�r~|t
k�r|dk �r|t
7 }n | j
j t
� t }nb|tk�r0t� }t }nL|tk�rR| jt|�� d}t }n*|ttttfk�rn|}t}n| j|� t }q�|tkr�| j||� t }q�W qW W d| j�r�| jjd� X dS )zRead loop for the socket.Ni z!socket error in reader thread: {}zread thread terminated)�M_NORMALr� r� �recvr� rt r rn r r` r� �putr r �
M_IAC_SEEN�SBr� �SE� _telnet_process_subnegotiationr� r� r� r� r� � M_NEGOTIATE�_telnet_process_command�_telnet_negotiate_option)r] �moderw r� r� �byte�telnet_commandrH rH rL r� � s\
zSerial._telnet_read_loopc C s | j r| j jdj|�� dS )z1Process commands other than DO, DONT, WILL, WONT.z ignoring Telnet command: {!r}N)rn r r` )r] rd rH rH rL r" s z Serial._telnet_process_commandc C st d}x&| j D ] }|j|kr |j|� d}q W |sp|tks@|tkrp| j|tkrPtnt|� | jrp| jj dj
|�� dS )z&Process incoming DO, DONT, WILL, WONT.FTz rejected Telnet option: {!r}N) r� rU re r� r� rb r� r� rn r r` )r] rd rU �known�itemrH rH rL r# $ s
z Serial._telnet_negotiate_optionc C sZ |dd� t k�r<|dd� tkr\t|�dkr\t|dd� �| _| jrZ| jjdj| j�� n�|dd� tkr�t|�dkr�t|dd� �| _ | jr�| jjdj| j �� | j
j d� n�|dd� t kr�d| _
np|dd� tkr�d | _
nXxr| jj� D ].}|j|dd� kr�|jt|dd
� �� P q�W | j�rV| jjd j|�� n| j�rV| jjd j|�� d
S )
z;Process subnegotiation, the data between IAC SB and IAC SE.r rE rD rF zNOTIFY_LINESTATE: {}zNOTIFY_MODEMSTATE: {}g333333�?TFNz ignoring COM_PORT_OPTION: {!r}z ignoring subnegotiation: {!r})r� �SERVER_NOTIFY_LINESTATErv �ordr� rn r
r` �SERVER_NOTIFY_MODEMSTATEr� r� Zrestart�FLOWCONTROL_SUSPENDr� �FLOWCONTROL_RESUMEr� r� rl rx r� r )r] rw r( rH rH rL r 7 s, z%Serial._telnet_process_subnegotiationc C s" | j � | jj|� W dQ R X dS )zGinternal socket write with no data escaping. used to send telnet stuff.N)r� r� r )r] r� rH rH rL �_internal_raw_writeW s zSerial._internal_raw_writec C s | j t| | � dS )zSend DO, DONT, WILL, WONT.N)r. r )r] �actionrU rH rH rL rb \ s zSerial.telnet_send_option� c C s2 |j tt�}| jtt t | | t t � dS )z%Subnegotiation of RFC2217 parameters.N)r r r r. r r� r )r] rU rk rH rH rL rm ` s z"Serial.rfc2217_send_subnegotiationc C s$ | j d }|j|� |j| j� dS )z~ Send purge request to the remote.
(PURGE_RECEIVE_BUFFER / PURGE_TRANSMIT_BUFFER / PURGE_BOTH_BUFFERS)
r� N)r� ro ru r� )r] rk r( rH rH rL r e s
zSerial.rfc2217_send_purgec C s6 | j d }|j|� | jr&tjd� n |j| j� dS )z)transmit change of control line to remoter� g�������?N)r� ro r� rr rs ru r� )r] rk r( rH rH rL r� n s
zSerial.rfc2217_set_controlc C s dS )z` check if server is ready to receive data. block for some time when
not.
NrH )r] rH rH rL �rfc2217_flow_server_readyz s z Serial.rfc2217_flow_server_readyc C s� | j rl| jj� rl| jr"| jjd� | jt� t| j�}x4|j� sXt j
d� | jj� s8P q8W | jrl| jj d� | j dk r�| jr�| jjd� | j S t
d��dS )z� get last modem state (cached value. If value is "old", request a new
one. This cache helps that we don't issue to many requests when e.g. all
status lines, one after the other is queried by the user (CTS, DSR
etc.)
zpolling modem stateg�������?zpoll for modem state failedNzusing cached modem statez!remote sends no NOTIFY_MODEMSTATE)r� r� rq rn r rm �NOTIFY_MODEMSTATEr r� rr rs r r� r )r] rt rH rH rL r � s
zSerial.get_modem_state)r{ r| r} r~ r r� r� r� r� r� r� r� r� r� r� r� r� )rE )r0 )#rf rg rh ri Z BAUDRATESr^ r� r� r� r� ry r� r� r r� r� r r� r� r r r r r� r" r# r r. rb rm r r� r1 r �
__classcell__rH rH )r� rL rz z s> a,%
D
rz c @ sf e Zd ZdZddd�Zdd� Zdd� Zdd
d �Zdd
d�Zdd� Z dd� Z
dd� Z dd� Z dd� Z
dS ) � PortManagerz� This class manages the state of Telnet and RFC 2217. It needs a serial
instance and a connection to work with. Connection is expected to implement
a (thread safe) write function, that writes the string to the network.
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zPortManager.__init__c C s( d| _ | jr| jjd� | jdd� dS )a callback of telnet option. It gets called when option is activated.
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client is OK.
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�check_modem_lines)r] rH rH rL r; � s zPortManager._client_okc C s | j jt| | � dS )zSend DO, DONT, WILL, WONT.N)rS r r )r] r/ rU rH rH rL rb � s z PortManager.telnet_send_optionr0 c C s4 |j tt�}| jjtt t | | t t � dS )z&Subnegotiation of RFC 2217 parameters.N)r r r rS r r r� r )r] rU rk rH rH rL rm � s z'PortManager.rfc2217_send_subnegotiationFc C s� | j jo
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r zNOTIFY_MODEMSTATE: {}�� N)r6 r r r r r r r r r9 �MODEMSTATE_MASK_CTS_CHANGE�MODEMSTATE_MASK_DSR_CHANGE�MODEMSTATE_MASK_RI_CHANGE�MODEMSTATE_MASK_CD_CHANGEr7 r8 rm r+ r rn r
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N)r r )r] r� r% rH rH rL �escape s
zPortManager.escapec c s �xt |�D �]}| jtkrN|tkr,t| _n | jdk rF| j|7 _n|V q | jtkr�|tkr�| jdk rz| j|7 _n|V t| _nl|tkr�t� | _t| _nT|tkr�| j t
| j�� d| _t| _n.|t t t
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this filter:
for byte in filter(socket.recv(1024)):
# do things like CR/LF conversion/whatever
# and write data to the serial port
serial.write(byte)
(socket error handling code left as exercise for the reader)
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|�� dS )z&Process incoming DO, DONT, WILL, WONT.FTz rejected Telnet option: {!r}N) r� rU re r� r� rb r� r� rn r r` )r] rd rU r' r( rH rH rL r# i s
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{} parity: {}zfailed to set stop bits: {}z{} stop bits: {}Fz changed flow control to NoneTz changed flow control to XON/XOFFz changed flow control to RTS/CTSz'requested break state - not implementedzchanged BREAK to activezchanged BREAK to inactivez%requested DTR state - not implementedzchanged DTR to activezchanged DTR to inactivez%requested RTS state - not implementedzchanged RTS to activezchanged RTS to inactivezrequest for modem state)r< Zsuspend�resumezline state mask: 0x{:02x}zmodem state mask: 0x{:02x}zpurge inz purge outz
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