
qV6              (   @   s  d  d l  Z  d  d l Z d  d l Z d  d l Z d  d l Z y d  d l Z Wn! e k
 ro d  d l j Z Yn Xy d  d l	 Z	 Wn e k
 r d  d l
 Z	 Yn Xd  d l Z d  d l m Z m Z m Z m Z m Z d e  j d e  j d e  j d e  j i Z d Z d Z d	 Z d
 Z d Z d Z d Z d Z d Z d Z  d Z! d Z" d Z# d Z$ d Z% d Z& d Z' d Z( d Z) d Z* d Z+ d Z, d Z- d Z. d Z/ d Z0 d Z1 d  Z2 d! Z3 d" Z4 d# Z5 d$ Z6 d% Z7 d& Z8 d' Z9 d( Z: d) Z; d* Z< d+ Z= d, Z> d- Z? d. Z@ d/ ZA d0 ZB d1 ZC e, e8 e- e9 e. e: e/ e; e0 e< e1 e= e2 e> e3 e? e4 e@ e5 eA e6 eB e7 eC i ZD d ZE d ZF d ZG d ZH d ZI d ZJ d ZK d  ZL d! ZM d" ZN d# ZO d$ ZP d% ZQ d2 ZR d3 ZS d4 ZT d5 ZU d6 ZV d7 ZW d8 ZX d9 ZY d: ZZ d; Z[ d< Z\ d= Z] d> Z^ d? Z_ d@ Z` d9 Za d: Zb d; Zc d< Zd d= Ze d> Zf d? Zg d@ Zh d Zi d Zj d Zk e jl d@ e jm d? e jn dA e jo d> e jp dB i Zq er dC dD   eq js   D  Zt e ju d@ e jv dA e jw d? i Zx er dE dD   ex js   D  Zy d  Zz d@ Z{ d? Z| dF Z} dG Z~ dH Z dI Z GdJ dK   dK e  Z GdL dM   dM e  Z GdN dO   dO e  Z GdP dQ   dQ e  Z e dR k rd  d l Z e dS dT  Z e j j dU e  e j j dV  e j dW  e j   e j j dX e j dB   e j   d S)Y    N)
SerialBaseSerialExceptionto_bytes	iterbytesportNotOpenErrordebuginfowarningerrors   s   s   s   s   s   s   s   s   s   s   s   s   s   s   s   s   s    s   s   s   ,s   s   s   s   s   s   s   	s   
s   s   s   es   fs   gs   hs   is   js   ks   ls   ms   ns   os   ps   s   s   s   s   s   s      @                            c             c   s!   |  ] \ } } | | f Vq d  S)N ).0kvr   r   0/usr/lib/python3/dist-packages/serial/rfc2217.py	<genexpr>   s    r   c             c   s!   |  ] \ } } | | f Vq d  S)Nr   )r   r   r   r   r   r   r      s    	REQUESTEDACTIVEINACTIVEREALLY_INACTIVEc               @   s=   e  Z d  Z d Z d d d  Z d d   Z d d   Z d S)	TelnetOptionz@Manage a single telnet option, keeps track of DO/DONT WILL/WONT.Nc
       
      C   s^   | |  _  | |  _ | |  _ | |  _ | |  _ | |  _ | |  _ | |  _ d |  _ |	 |  _	 d S)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)
selfr    r!   r"   r#   r$   r%   r&   Zinitial_stater)   r   r   r   __init__   s    									zTelnetOption.__init__c             C   s   d |  j  |  j |  j f S)zString for debug outputsz	%s:%s(%s))r!   r(   r'   )r*   r   r   r   __repr__  s    zTelnetOption.__repr__c             C   s  | |  j  k r |  j t k rL t |  _ d |  _ |  j d k	 r |  j   q|  j t k r^ q|  j t k r t |  _ |  j j |  j	 |  j
  d |  _ |  j d k	 r |  j   q|  j t k r |  j j |  j |  j
  qt d |    n | |  j k r|  j t k r%t |  _ d |  _ nq |  j t k rbt |  _ |  j j |  j |  j
  d |  _ n4 |  j t k rtn" |  j t k rn t d |    d S)zo        A DO/DONT/WILL/WONT was received for this option, update state and
        answer when needed.
        TNzoption in illegal state %rF)r%   r'   r   r   r(   r)   r   r    telnetSendOptionr#   r"   r   r$   
ValueErrorr&   )r*   commandr   r   r   process_incoming  s<    						zTelnetOption.process_incoming)__name__
__module____qualname____doc__r+   r,   r0   r   r   r   r   r      s   r   c               @   sp   e  Z d  Z d Z d d d  Z d d   Z d d   Z d	 d
   Z e e  Z	 d d d  Z
 d d   Z d S)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   sL   | d  k r | } | |  _  | |  _ | |  _ d  |  _ | |  _ t |  _ d  S)N)r    r!   r"   value
ack_optionr   r'   )r*   r    r!   r"   r7   r   r   r   r+   4  s    					zTelnetSubnegotiation.__init__c             C   s   d |  j  |  j f S)zString for debug outputs.z%s:%s)r!   r'   )r*   r   r   r   r,   >  s    zTelnetSubnegotiation.__repr__c             C   s^   | |  _  t |  _ |  j j |  j |  j   |  j j rZ |  j j j d |  j |  j  f  d S)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.
        zSB Requesting %s -> %rN)	r6   r   r'   r    rfc2217SendSubnegotiationr"   loggerr   r!   )r*   r6   r   r   r   setB  s
    		zTelnetSubnegotiation.setc             C   s/   |  j  t k r" t d |  j   |  j  t k S)z{        Check if answer from server has been received. when server rejects
        the change, raise a ValueError.
        z#remote rejected value for option %r)r'   r   r.   r!   r   )r*   r   r   r   isReadyN  s    zTelnetSubnegotiation.isReadyr   c             C   sZ   t  j    | } xC t  j    | k  rB t  j d  |  j   r Pq Wt d |  j   d S)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 %rN)timesleepr;   r   r!   )r*   timeouttimeout_timer   r   r   waitY  s    zTelnetSubnegotiation.waitc             C   sm   |  j  | d t |  j    k r. t |  _ n	 t |  _ |  j j ri |  j j j d |  j | |  j f  d S)z        Check an incoming subnegotiation block. The parameter already has
        cut off the header like sub option number and com port option value.
        NzSB Answer %s -> %r -> %s)	r6   lenr   r'   r   r    r9   r   r!   )r*   	suboptionr   r   r   checkAnswerg  s
    "	z TelnetSubnegotiation.checkAnswer)r1   r2   r3   r4   r+   r,   r:   r;   propertyr(   r@   rC   r   r   r   r   r5   .  s   
	r5   c                   s  e  Z d  Z d Z dN Z   f d d   Z d d   Z d d   Z d d   Z d d   Z	 e
 d d    Z d d  d!  Z d" d#   Z d$ d%   Z d& d'   Z d( d)   Z d* d+   Z d, d- d.  Z e
 d/ d0    Z e
 d1 d2    Z e
 d3 d4    Z e
 d5 d6    Z d7 d8   Z d9 d:   Z d; d<   Z d= d>   Z d? d@   Z dA dB   Z dC dD dE  Z dF dG   Z dH dI   Z dJ dK   Z  dL dM   Z!   S)OSerialz<Serial port implementation for RFC 2217 remote serial ports.2   K   n            ,  X      `	    %   K          c                s/   t  t |   j | |   d  |  _ d  |  _ d  S)N)superrE   r+   _thread_socket)r*   argskwargs)	__class__r   r   r+   {  s    	zSerial.__init__c             C   sG  d |  _  d |  _ d |  _ d |  _ |  j d k r? t d   |  j rT t d   y> t j |  j	 |  j
   |  _ |  j j t j t j d  WnG t k
 r } z' d |  _ t d |  j
 | f   WYd d } ~ Xn X|  j j d  t j   |  _ t j   |  _ t |  d	 t t t t t t  t |  d
 t t t t t t  g } t |  d t t t t t t  t |  d t  t t t t t  t |  d t  t t t t t  t |  d t t t t t t  t |  d t t t t t t  g | |  _! d t" |  d t# t$  d t" |  d t% t&  d t" |  d t' t(  d t" |  d t) t*  i |  _+ d t" |  d t, t-  d t" |  d t. t/  i |  _0 |  j0 j1 |  j+  d |  _2 d |  _3 d |  _4 d |  _5 d |  _ t j6 d |  j7  |  _8 |  j8 j9 d  |  j8 j: d |  j f  |  j8 j;   yx6 |  j! D]+ } | j< t k r|  j= | j> | j?  qWt@ j@   |  j } xf t@ j@   | k  rt@ jA d  tB d d   | D  tB d d   | D  k r`Pq`Wt d |   |  j  r|  j  jC d |  j!  |  jD   |  jE s|  jF   |  jG s|  jH   |  jI   |  jJ   Wn |  jK     Yn Xd S) zx        Open port with current settings. This may throw a SerialException
        if the port cannot be opened.
        NFr   z.Port must be configured before it can be used.zPort is already open.r   zCould not open port %s: %sr   z	we-BINARYz
we-RFC2217ECHOzwe-SGAzthey-SGAzthey-BINARYzthey-RFC2217baudratedatasizeparitystopsizepurgecontrolr   Ttargetz&pySerial RFC 2217 reader thread for %sg?c             s   s   |  ] } | j  Vq d  S)N)r(   )r   or   r   r   r     s    zSerial.open.<locals>.<genexpr>c             s   s   |  ] } | j  t k Vq d  S)N)r'   r   )r   re   r   r   r   r     s    z9Remote does not seem to support RFC2217 or BINARY mode %rzNegotiated options: %s)Lr9   _ignore_set_control_answer_poll_modem_state_network_timeoutZ_portr   is_opensocketZcreate_connectionfrom_urlZportstrrY   Z
setsockoptZIPPROTO_TCPZTCP_NODELAY	ExceptionZ
settimeoutQueue_read_buffer	threadingZLock_write_lockr   BINARYWILLWONTDODONTr   COM_PORT_OPTIONr   r]   SGA_telnet_optionsr5   SET_BAUDRATESERVER_SET_BAUDRATESET_DATASIZESERVER_SET_DATASIZE
SET_PARITYSERVER_SET_PARITYSET_STOPSIZESERVER_SET_STOPSIZE_rfc2217_port_settings
PURGE_DATASERVER_PURGE_DATASET_CONTROLSERVER_SET_CONTROL_rfc2217_optionsupdate
_linestate_modemstate_modemstate_expires_remote_suspend_flowZThread_telnetReadLooprX   Z	setDaemonZsetNamestartr'   r-   r#   r"   r<   r=   sumr   _reconfigure_portZ_dsrdtr_update_dtr_state_rtscts_update_rts_statereset_input_bufferreset_output_bufferclose)r*   msgZmandadory_optionsr"   r?   r   r   r   open  s~    					 	,$!
					2	
	
	


zSerial.openc             C   s  |  j  d k r t d   |  j d k	 r6 t d   d |  j k  oP d k  n sh t d |  j   |  j d j t j	 d	 |  j   |  j d
 j t j	 d |  j
   |  j d j t j	 d t |  j   |  j d j t j	 d t |  j   |  j j   } |  j r+|  j j d | f  t j   |  j } xY t j   | k  rt j d  t d d   | D  t |  k rAPqAWt d |   |  j r|  j j d | f  |  j r|  j rt d   n? |  j r|  j t  n& |  j r|  j t  n |  j t  d S)z,Set communication parameters on opened port.NzCan only operate on open portsz(write_timeout is currently not supportedr   r   r   zinvalid baudrate: %rr^   s   !Ir_   s   !Br`   ra   zNegotiating settings: %sg?c             s   s   |  ] } | j  Vq d  S)N)r(   )r   re   r   r   r   r     s    z+Serial._reconfigure_port.<locals>.<genexpr>z5Remote does not accept parameter change (RFC2217): %rzNegotiated settings: %sz-xonxoff and rtscts together are not supportedl        )rY   r   Z_write_timeoutNotImplementedErrorZ	_baudrater.   r   r:   structpackZ	_bytesizeRFC2217_PARITY_MAPZ_parityRFC2217_STOPBIT_MAPZ	_stopbitsvaluesr9   r   r<   rh   r=   r   rA   r   r   Z_xonxoffrfc2217SetControlSET_CONTROL_USE_HW_FLOW_CONTROLSET_CONTROL_USE_SW_FLOW_CONTROLSET_CONTROL_USE_NO_FLOW_CONTROL)r*   itemsr?   r   r   r   r     s8    ##''	%			zSerial._reconfigure_portc          	   C   s}   d |  _  |  j rA y$ |  j j t j  |  j j   Wn Yn X|  j rp |  j j d  d |  _ t j	 d  d |  _ d S)z
Close portF   Ng333333?)
ri   rY   Zshutdownrj   Z	SHUT_RDWRr   rX   joinr<   r=   )r*   r   r   r   r     s    				zSerial.closec             C   s  t  j |  } | j d k r4 t d | j f   y#x t  j | j d  j   D] \ } } | d k r t j   t j	 d  |  _
 |  j
 j t | d  |  j
 j d  qS | d k r d |  _ qS | d	 k r d |  _ qS | d
 k rt | d  |  _ qS t d | f   qS W| j | j } } d | k oEd k  n sVt d   Wn5 t k
 r} z t d |   WYd d } ~ Xn X| | f S)z(extract host and port from an URL stringZrfc2217zoexpected a string in the form "rfc2217://<host>:<port>[?option[&option...]]": not starting with rfc2217:// (%r)TloggingzpySerial.rfc2217r   zenabled loggingZign_set_controlZ
poll_modemr>   zunknown option: %ri   zport not in range 0...65535zPexpected a string in the form "rfc2217://<host>:<port>[?option[&option...]]": %sN)urlparseZurlsplitschemer   Zparse_qsZqueryr   r   ZbasicConfigZ	getLoggerr9   ZsetLevelLOGGER_LEVELSr   rf   rg   floatrh   r.   Zhostnameport)r*   Zurlpartsr"   r   hostr   er   r   r   rk     s.    (
#zSerial.from_urlc             C   s   |  j  s t  |  j j   S)z9Return the number of bytes currently in the input buffer.)ri   r   rn   qsize)r*   r   r   r   
in_waiting>  s    	zSerial.in_waitingr   c             C   s   |  j  s t  t   } yT xM t |  | k  rj |  j d k rK t d   | |  j j d |  j  7} q WWn t	 j
 k
 r Yn Xt |  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)ri   r   	bytearrayrA   rX   r   rn   getZ_timeoutrm   ZEmptybytes)r*   sizedatar   r   r   readE  s    		$zSerial.readc             C   s   |  j  s t  |  j i y& |  j j t |  j t t   Wn; t	 j
 k
 r| } z t d | f   WYd d } ~ Xn XWd QRXt |  S)z        Output the given byte string over the serial port. Can block if the
        connection is blocked. May raise SerialException if the connection is
        closed.
        z$connection failed (socket error): %sN)ri   r   rp   rY   sendallr   replaceIACIAC_DOUBLEDrj   r
   r   rA   )r*   r   r   r   r   r   writeW  s    	
&-zSerial.writec             C   sF   |  j  s t  |  j t  x# |  j j   rA |  j j d  q Wd S)z9Clear input buffer, discarding all that is in the buffer.FN)ri   r   rfc2217SendPurgePURGE_RECEIVE_BUFFERrn   r   r   )r*   r   r   r   r   f  s
    	zSerial.reset_input_bufferc             C   s    |  j  s t  |  j t  d S)zs        Clear output buffer, aborting the current output and
        discarding all that is in the buffer.
        N)ri   r   r   PURGE_TRANSMIT_BUFFER)r*   r   r   r   r   o  s    	zSerial.reset_output_bufferc             C   se   |  j  s t  |  j r; |  j j d |  j r3 d n d  |  j rT |  j t  n |  j t  d S)z[        Set break: Controls TXD. When active, to transmitting is
        possible.
        zset BREAK to %sr(   inactiveN)ri   r   r9   r   Z_break_stater   SET_CONTROL_BREAK_ONSET_CONTROL_BREAK_OFF)r*   r   r   r   _update_break_statex  s    		#	zSerial._update_break_statec             C   se   |  j  s t  |  j r; |  j j d |  j r3 d n d  |  j rT |  j t  n |  j t  d S)z*Set terminal status line: Request To Send.zset RTS to %sr(   r   N)ri   r   r9   r   Z
_rts_stater   SET_CONTROL_RTS_ONSET_CONTROL_RTS_OFF)r*   r   r   r   r     s    		#	zSerial._update_rts_stateTc             C   se   |  j  s t  |  j r; |  j j d |  j r3 d n d  |  j rT |  j t  n |  j t  d S)z.Set terminal status line: Data Terminal Ready.zset DTR to %sr(   r   N)ri   r   r9   r   Z
_dtr_stater   SET_CONTROL_DTR_ONSET_CONTROL_DTR_OFF)r*   levelr   r   r   r     s    		#	zSerial._update_dtr_statec             C   s#   |  j  s t  t |  j   t @ S)z)Read terminal status line: Clear To Send.)ri   r   boolgetModemStateMODEMSTATE_MASK_CTS)r*   r   r   r   cts  s    	z
Serial.ctsc             C   s#   |  j  s t  t |  j   t @ S)z*Read terminal status line: Data Set Ready.)ri   r   r   r   MODEMSTATE_MASK_DSR)r*   r   r   r   dsr  s    	z
Serial.dsrc             C   s#   |  j  s t  t |  j   t @ S)z*Read terminal status line: Ring Indicator.)ri   r   r   r   MODEMSTATE_MASK_RI)r*   r   r   r   ri  s    	z	Serial.ric             C   s#   |  j  s t  t |  j   t @ S)z*Read terminal status line: Carrier Detect.)ri   r   r   r   MODEMSTATE_MASK_CD)r*   r   r   r   cd  s    	z	Serial.cdc             C   s#  t  } d } zx|  j ry |  j j d  } Wn` t j k
 rK w YnI t j k
 r } z& |  j r |  j j d | f  PWYd d } ~ Xn X| s PxVt	 |  D]H} | t  k r | t
 k r t } q| d k	 r | | 7} q|  j j |  q | t k r| t
 k rE| d k	 r,| t
 7} n |  j j t
  t  } q| t k rct   } t  } q| t k r|  j t |   d } t  } q| t t t t f k r| } t } q|  j |  t  } q | t k r |  j | |  t  } q Wq WWd d |  _ |  j r|  j j d  Xd S)zRead loop for the socket.Ni   z!socket error in reader thread: %szread thread terminated)M_NORMALri   rY   Zrecvrj   r>   r
   r9   r   r   r   
M_IAC_SEENrn   ZputSBr   SE_telnetProcessSubnegotiationr   rt   ru   rr   rs   M_NEGOTIATE_telnetProcessCommand_telnetNegotiateOptionrX   )r*   moderB   r   r   bytetelnet_commandr   r   r   r     sZ    										zSerial._telnetReadLoopc             C   s$   |  j  r  |  j  j d | f  d S)z1Process commands other than DO, DONT, WILL, WONT.zignoring Telnet command: %rN)r9   r	   )r*   r/   r   r   r   r      s    	zSerial._telnetProcessCommandc             C   s   d } x3 |  j  D]( } | j | k r | j |  d } q W| s | t k sZ | t k r |  j | t k rr t n t |  |  j r |  j j	 d | f  d S)z&Process incoming DO, DONT, WILL, WONT.FTzrejected Telnet option: %rN)
rx   r"   r0   rr   rt   r-   ru   rs   r9   r	   )r*   r/   r"   knownitemr   r   r   r     s    
"	zSerial._telnetNegotiateOptionc             C   s  | d d  t  k r| d d  t k rz t |  d k rz t | d d   |  _ |  j r|  j j d |  j  q| d d  t k r t |  d k r t | d d   |  _ |  j r |  j j d |  j  t	 j	   d |  _
 q| d d  t k rd |  _ q| d d  t k r5d	 |  _ qx |  j j   D]= } | j | d d  k rE| j t | d d
    PqEW|  j r|  j j d | f  n  |  j r|  j j d | f  d
 S)z;Process subnegotiation, the data between IAC SB and IAC SE.r   r   r   r   zNOTIFY_LINESTATE: %szNOTIFY_MODEMSTATE: %sg333333?TFNzignoring COM_PORT_OPTION: %rzignoring subnegotiation: %r)rv   SERVER_NOTIFY_LINESTATErA   ordr   r9   r   SERVER_NOTIFY_MODEMSTATEr   r<   r   FLOWCONTROL_SUSPENDr   FLOWCONTROL_RESUMEr   r   r7   rC   r   r	   )r*   rB   r   r   r   r   r     s,    (	(			z#Serial._telnetProcessSubnegotiationc          	   C   s%   |  j   |  j j |  Wd QRXd S)zGinternal socket write with no data escaping. used to send telnet stuff.N)rp   rY   r   )r*   r   r   r   r   _internal_raw_write9  s    
zSerial._internal_raw_writec             C   s    |  j  t t | | g   d S)zSend DO, DONT, WILL, WONT.N)r   r   r   )r*   actionr"   r   r   r   r-   >  s    zSerial.telnetSendOption    c             C   sI   | j  t t  } |  j t t t t | g t |  t t g   d S)z%Subnegotiation of RFC2217 parameters.N)	r   r   r   r   r   r   rv   listr   )r*   r"   r6   r   r   r   r8   B  s    z Serial.rfc2217SendSubnegotiationc             C   s.   |  j  d } | j |  | j |  j  d  S)Nrb   )r   r:   r@   rh   )r*   r6   r   r   r   r   r   G  s    zSerial.rfc2217SendPurgec             C   sG   |  j  d } | j |  |  j r3 t j d  n | j |  j  d  S)Nrc   g?)r   r:   rf   r<   r=   r@   rh   )r*   r6   r   r   r   r   r   L  s
    	zSerial.rfc2217SetControlc             C   s   d S)z`        check if server is ready to receive data. block for some time when
        not.
        Nr   )r*   r   r   r   rfc2217FlowServerReadyW  s    zSerial.rfc2217FlowServerReadyc             C   s   |  j  r |  j t j   k  r |  j r7 |  j j d  |  j t  t j   |  j } xR t j   | k  r t j d  |  j t j   k rZ PqZ W|  j r |  j j	 d  |  j
 d k	 r |  j r |  j j d  |  j
 St d   d S)a          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 (getCTS, getDSR
        etc.)
        zpolling modem stateg?zpoll for modem state failedNzusing cached modem statez!remote sends no NOTIFY_MODEMSTATE)rg   r   r<   r9   r   r8   NOTIFY_MODEMSTATErh   r=   r	   r   r   )r*   r?   r   r   r   r   _  s     			zSerial.getModemState)rF   rG   rH   rI   rJ   rK   rL   rM   rN   rO   rP   rQ   rR   rS   rT   rU   rV   )"r1   r2   r3   r4   Z	BAUDRATESr+   r   r   r   rk   rD   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r   r-   r8   r   r   r   r   r   r   )r\   r   rE   u  s>    b,		C rE   c               @   s   e  Z d  Z d Z d d d  Z d d   Z d d   Z d	 d
 d  Z d d d  Z d d   Z	 d d   Z
 d d   Z d d   Z d d   Z d S)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.
    Nc             C   s  | |  _  | |  _ | |  _ d |  _ t |  _ d  |  _ d  |  _ d |  _ d  |  _	 d |  _
 t |  d t t t t t t  t |  d t t t t t t  t |  d t t t t t t  t |  d t t t t t t  t |  d t t t t t t  t |  d	 t t t t t t |  j 	 t |  d
 t t t t t t |  j 	 g |  _ |  j rZ|  j j d  x6 |  j D]+ } | j t k rd|  j | j | j  qdWd  S)NF   r   r]   zwe-SGAzthey-SGAz	we-BINARYzthey-BINARYz
we-RFC2217zthey-RFC2217z*requesting initial Telnet/RFC 2217 options)serialr    r9   _client_is_rfc2217r   r   rB   r   modemstate_masklast_modemstatelinstate_maskr   r]   rr   rs   rt   ru   r   rw   r   rq   rv   
_client_okrx   r   r'   r-   r#   r"   )r*   Zserial_portr    r9   r"   r   r   r   r+     s,    										$-	zPortManager.__init__c             C   s6   d |  _  |  j r" |  j j d  |  j d d  d S)a          callback of telnet option. It gets called when option is activated.
        This one here is used to detect when the client agrees on RFC 2217. A
        flag is set so that other functions like check_modem_lines know if the
        client is OK.
        Tzclient accepts RFC 2217force_notificationN)r   r9   r   check_modem_lines)r*   r   r   r   r     s    		zPortManager._client_okc             C   s#   |  j  j t t | | g   d S)zSend DO, DONT, WILL, WONT.N)r    r   r   r   )r*   r   r"   r   r   r   r-     s    zPortManager.telnetSendOptionr   c             C   sL   | j  t t  } |  j j t t t t | g t |  t t	 g   d S)z&Subnegotiation of RFC 2217 parameters.N)
r   r   r   r    r   r   r   rv   r   r   )r*   r"   r6   r   r   r   r8     s    z%PortManager.rfc2217SendSubnegotiationFc             C   s3  |  j  j   o t |  j  j   o$ t B|  j  j   o7 t B|  j  j   oJ t B} | |  j	 p] d A} | t @ru | t
 O} | t @r | t O} | t @r | t O} | t @r | t O} | |  j	 k s | r/|  j r | |  j @s | r"|  j t t | |  j @g   |  j r"|  j j d | f  | d @|  _	 d  S)Nr   zNOTIFY_MODEMSTATE: %s   )r   ZgetCTSr   ZgetDSRr   ZgetRIr   ZgetCDr   r   MODEMSTATE_MASK_CTS_CHANGEMODEMSTATE_MASK_DSR_CHANGEMODEMSTATE_MASK_RI_CHANGEMODEMSTATE_MASK_CD_CHANGEr   r   r8   r   r   r9   r   )r*   r   Z
modemstateZdeltasr   r   r   r     s&    8







	zPortManager.check_modem_linesc             c   s9   x2 t  |  D]$ } | t k r, t Vt Vq | Vq Wd S)z        This generator function is for the user. All outgoing data has to be
        properly escaped, so that no IAC character in the data stream messes up
        the Telnet state machine in the server.

        socket.sendall(escape(data))
        N)r   r   )r*   r   r   r   r   r   escape  s
    zPortManager.escapec             c   s  x}t  |  D]o} |  j t k rc | t k r: t |  _ q||  j d k	 r[ |  j | 7_ q|| Vq |  j t k rQ| t k r |  j d k	 r |  j | 7_ n | Vt |  _ q|| t k r t   |  _ t |  _ q|| t k r|  j	 t
 |  j   d |  _ t |  _ q|| t t t t f k r8| |  _ t |  _ q||  j |  t |  _ q |  j t k r |  j |  j |  t |  _ q Wd S)a          Handle a bunch of incoming bytes. This is a generator. It will yield
        all characters not of interest for Telnet/RFC 2217.

        The idea is that the reader thread pushes data from the socket through
        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)
        N)r   r   r   r   r   rB   r   r   r   r   r   rt   ru   rr   rs   r   r   r   r   )r*   r   r   r   r   r   filter  s8    		zPortManager.filterc             C   s$   |  j  r  |  j  j d | f  d S)z1Process commands other than DO, DONT, WILL, WONT.zignoring Telnet command: %rN)r9   r	   )r*   r/   r   r   r   r   =  s    	z!PortManager._telnetProcessCommandc             C   s   d } x3 |  j  D]( } | j | k r | j |  d } q W| s | t k sZ | t k r |  j | t k rr t n t |  |  j r |  j j	 d | f  d S)z&Process incoming DO, DONT, WILL, WONT.FTzrejected Telnet option: %rN)
rx   r"   r0   rr   rt   r-   ru   rs   r9   r	   )r*   r/   r"   r   r   r   r   r   r   C  s    
"	z"PortManager._telnetNegotiateOptionc             C   s  | d d  t  k rm|  j r6 |  j j d | f  | d d  t k rA|  j j } y; t j d | d d   \ } | d k r | |  j _ WnQ t k
 r } z1 |  j r |  j j	 d | f  | |  j _ WYd d } ~ Xn6 X|  j r|  j j
 d	 | rd
 n d |  j j f  |  j t t j d |  j j   q| d d  t k rL|  j j } y; t j d | d d   \ } | d k r| |  j _ WnQ t k
 r} z1 |  j r|  j j	 d | f  | |  j _ WYd d } ~ Xn6 X|  j r'|  j j
 d | rd
 n d |  j j f  |  j t t j d |  j j   q| d d  t k r`|  j j } y@ t j d | d d   d } | d k rt | |  j _ WnQ t k
 r} z1 |  j r|  j j	 d | f  | |  j _ WYd d } ~ Xn6 X|  j r7|  j j
 d | r#d
 n d |  j j f  |  j t t j d t |  j j   q| d d  t k rt|  j j } y@ t j d | d d   d } | d k rt | |  j _ WnQ t k
 r} z1 |  j r|  j j	 d | f  | |  j _ WYd d } ~ Xn6 X|  j rK|  j j
 d | r7d
 n d |  j j f  |  j t t j d t |  j j   q| d d  t k ri| d d  t k r|  j j r|  j t t  qf|  j j  r|  j t t!  qf|  j t t"  qj| d d  t" k rKd |  j _ d |  j _  |  j r8|  j j
 d  |  j t t"  qj| d d  t k rd |  j _ |  j r|  j j
 d  |  j t t  qj| d d  t! k rd |  j _  |  j r|  j j
 d  |  j t t!  qj| d d  t# k r|  j rf|  j j$ d  qj| d d  t% k rk|  j j& d  |  j rX|  j j
 d  |  j t t%  qj| d d  t' k r|  j j& d  |  j r|  j j
 d  |  j t t'  qj| d d  t( k r|  j rf|  j j$ d  qj| d d  t) k rA|  j j* d  |  j r.|  j j
 d  |  j t t)  qj| d d  t+ k r|  j j* d  |  j r|  j j
 d  |  j t t+  qj| d d  t, k r|  j rf|  j j$ d  qj| d d  t- k r|  j j. d  |  j r|  j j
 d   |  j t t-  qj| d d  t/ k rj|  j j. d  |  j rV|  j j
 d!  |  j t t/  q| d d  t0 k r|  j t1 t2 d g   q| d d  t3 k r|  j r|  j j
 d"  |  j4 d# d  q| d d  t5 k r	|  j r	|  j j
 d$  d |  _6 q| d d  t7 k rS	|  j rG	|  j j
 d%  d |  _6 q| d d  t8 k r	t9 | d d   |  _: |  j rj|  j j
 d& |  j: f  q| d d  t; k r	t9 | d d   |  _< |  j rj|  j j
 d' |  j< f  q| d d  t= k r=| d d  t> k rb
|  j j?   |  j rO
|  j j
 d(  |  j t@ t>  qj| d d  tA k r
|  j jB   |  j r
|  j j
 d)  |  j t@ tA  qj| d d  tC k r|  j j?   |  j jB   |  j r
|  j j
 d*  |  j t@ tC  qj|  j rj|  j j	 d+ tD | d d    q|  j r|  j j	 d, tD | d d    n  |  j r|  j j$ d- | f  d S).z;Process subnegotiation, the data between IAC SB and IAC SE.r   r   zreceived COM_PORT_OPTION: %rr   s   !I   zfailed to set baud rate: %sNz%s baud rate: %sr:   r   s   !Br   zfailed to set data size: %sz%s data size: %szfailed to set parity: %sz%s parity: %szfailed to set stop bits: %sz%s stop bits: %sFzchanged flow control to NoneTz changed flow control to XON/XOFFzchanged flow control to RTS/CTSz'requested break state - not implementedzchanged BREAK to activezchanged BREAK to inactivez%requested DTR state - not implementedzchanged DTR to activezchanged DTR to inactivez%requested RTS state - not implementedzchanged RTS to activezchanged RTS to inactivezrequest for modem stater   ZsuspendZresumezline state mask: 0x%02xzmodem state mask: 0x%02xzpurge inz	purge outz
purge bothzundefined PURGE_DATA: %rzundefined COM_PORT_OPTION: %rzunknown subnegotiation: %r)Erv   r9   r   ry   r   r^   r   Zunpackr.   r
   r   r8   rz   r   r{   Zbytesizer|   r}   r`   RFC2217_REVERSE_PARITY_MAPr~   r   r   stopbitsRFC2217_REVERSE_STOPBIT_MAPr   r   r   SET_CONTROL_REQ_FLOW_SETTINGZxonxoffr   r   Zrtsctsr   r   SET_CONTROL_REQ_BREAK_STATEr	   r   ZsetBreakr   SET_CONTROL_REQ_DTRr   ZsetDTRr   SET_CONTROL_REQ_RTSr   ZsetRTSr   NOTIFY_LINESTATEr   r   r   r   r   r   r   SET_LINESTATE_MASKr   r   SET_MODEMSTATE_MASKr   r   r   r   r   r   r   PURGE_BOTH_BUFFERSr   )r*   rB   Zbackupr^   r   r_   r`   r   r   r   r   r   V  sV   			,%		,% 		,  		, 																					'	'	z(PortManager._telnetProcessSubnegotiation)r1   r2   r3   r4   r+   r   r-   r8   r   r   r   r   r   r   r   r   r   r   r     s   #!;r   __main__zrfc2217://localhost:7000i  z%s
z	write...
s   hello
z	read: %s
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PARITY_ODDZPARITY_EVENZPARITY_MARKZPARITY_SPACEr   dictr   r   ZSTOPBITS_ONEZSTOPBITS_ONE_POINT_FIVEZSTOPBITS_TWOr   r   r   r   r   r   r   r   r   objectr   r5   rE   r   r1   syssstdoutr   flushr   r   r   r   r   r   <module>=   s&  (										EG   
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