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� �� fQ c @ s d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z m Z m Z m Z m Z m Z m Z m Z m Z m Z m Z m Z m Z e e e e e e e f � Z y e Wn e k r� i Z Yn Xd d � Z Gd d � d e � Z e e e f Z d d � Z d d � Z d d � Z! d d � Z" d e# d d � Z$ d e# d d � Z% e% Z& d e' e# e# d d � Z( Gd d � d � Z) Gd d � d e) � Z* d d � Z+ e# e' d d � Z, e j- d k rd d l. Z. Gd! d" � d" � Z/ Gd# d$ � d$ e) � Z0 n d S(% u� Basic infrastructure for asynchronous socket service clients and servers. There are only two ways to have a program on a single processor do "more than one thing at a time". Multi-threaded programming is the simplest and most popular way to do it, but there is another very different technique, that lets you have nearly all the advantages of multi-threading, without actually using multiple threads. it's really only practical if your program is largely I/O bound. If your program is CPU bound, then pre-emptive scheduled threads are probably what you really need. Network servers are rarely CPU-bound, however. If your operating system supports the select() system call in its I/O library (and nearly all do), then you can use it to juggle multiple communication channels at once; doing other work while your I/O is taking place in the "background." Although this strategy can seem strange and complex, especially at first, it is in many ways easier to understand and control than multi-threaded programming. The module documented here solves many of the difficult problems for you, making the task of building sophisticated high-performance network servers and clients a snap. i N( u EALREADYu EINPROGRESSu EWOULDBLOCKu ECONNRESETu EINVALu ENOTCONNu ESHUTDOWNu EISCONNu EBADFu ECONNABORTEDu EPIPEu EAGAINu errorcodec C sO y t j | � SWn7 t t t f k rJ | t k r> t | Sd | SYn Xd S( Nu Unknown error %s( u osu strerroru ValueErroru OverflowErroru NameErroru errorcode( u err( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu _strerrorD s u _strerrorc B s | Ee Z d Z d S( u ExitNowN( u __name__u __module__u __qualname__( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu ExitNowL s u ExitNowc C s; y | j � Wn& t k r% � Yn | j � Yn Xd S( N( u handle_read_eventu _reraised_exceptionsu handle_error( u obj( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu readQ s u readc C s; y | j � Wn& t k r% � Yn | j � Yn Xd S( N( u handle_write_eventu _reraised_exceptionsu handle_error( u obj( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu writeY s u writec C s; y | j � Wn& t k r% � Yn | j � Yn Xd S( N( u handle_expt_eventu _reraised_exceptionsu handle_error( u obj( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu _exceptiona s u _exceptionc C s� yz | t j @r | j � n | t j @r7 | j � n | t j @rQ | j � n | t j t j Bt j B@ry | j � n Wnw t j k r� } z/ | j d t k r� | j � n | j � WYd d } ~ Xn& t k r� � Yn | j � Yn Xd S( Ni ( u selectu POLLINu handle_read_eventu POLLOUTu handle_write_eventu POLLPRIu handle_expt_eventu POLLHUPu POLLERRu POLLNVALu handle_closeu socketu erroru argsu _DISCONNECTEDu handle_erroru _reraised_exceptions( u obju flagsu e( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu readwritei s" u readwriteg c C s� | d k r t } n | r�g } g } g } x� t | j � � D]v \ } } | j � } | j � } | rz | j | � n | r� | j r� | j | � n | s� | r@ | j | � q@ q@ Wg | k o� | k o� | k n r� t j | � d Sy% t j | | | | � \ } } } Wn t k r/d SYn Xx9 | D]1 } | j | � } | d k r^q7n t | � q7Wx9 | D]1 } | j | � } | d k r�qsn t | � qsWx< | D]1 } | j | � } | d k r�q�n t | � q�Wn d S( N( u Noneu socket_mapu listu itemsu readableu writableu appendu acceptingu timeu sleepu selectu InterruptedErroru getu readu writeu _exception( u timeoutu mapu ru wu eu fdu obju is_ru is_w( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu poll} sJ ' % u pollc C sK | d k r t } n | d k r4 t | d � } n t j � } | rGx� t | j � � D]t \ } } d } | j � r� | t j t j BO} n | j � r� | j r� | t j O} n | rY | j | | � qY qY Wy | j | � } Wn t k r� g } Yn XxE | D]: \ } } | j | � } | d k r3qn t | | � qWn d S( Ni� i ( u Noneu socket_mapu intu selectu pollu listu itemsu readableu POLLINu POLLPRIu writableu acceptingu POLLOUTu registeru InterruptedErroru getu readwrite( u timeoutu mapu pollsteru fdu obju flagsu r( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu poll2� s. u poll2g >@c C s� | d k r t } n | r3 t t d � r3 t } n t } | d k rb xJ | r^ | | | � qH Wn0 x- | r� | d k r� | | | � | d } qe Wd S( Nu polli i ( u Noneu socket_mapu hasattru selectu poll2u poll( u timeoutu use_pollu mapu countu poll_fun( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu loop� s u loopc B s� | Ee Z d Z dB Z dB Z dB Z dB Z dB Z dA Z e d g � Z dA dA d d � Z d d � Z e Z dA d d � Z dA d d � Z e j e j d d � Z dA d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d! � Z d" d# � Z! d$ d% � Z" d& d' d( � Z# d) d* � Z$ d+ d, � Z% d- d. � Z& d/ d0 � Z' d1 d2 � Z( d3 d4 � Z) d5 d6 � Z* d7 d8 � Z+ d9 d: � Z, d; d< � Z- d= d> � Z. d? d@ � Z/ dA S(C u dispatcheru warningc C s� | d k r t | _ n | | _ d | _ | r� | j d � | j | | � d | _ y | j � | _ Wq� t j k r� } z: | j d t t f k r� d | _ n | j | � � WYd d } ~ Xq� Xn d | _ d S( Ni TF( u Noneu socket_mapu _mapu _filenou setblockingu set_socketu Trueu connectedu getpeernameu addru socketu erroru argsu ENOTCONNu EINVALu Falseu del_channel( u selfu socku mapu err( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __init__� s u dispatcher.__init__c C s� | j j d | j j g } | j r? | j r? | j d � n | j rX | j d � n | j d k r� y | j d | j � Wq� t k r� | j t | j � � Yq� Xn d d j | � t | � f S( Nu .u listeningu connectedu %s:%du <%s at %#x>u ( u __class__u __module__u __name__u acceptingu addru appendu connectedu Noneu TypeErroru repru joinu id( u selfu status( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __repr__ s u dispatcher.__repr__c C s) | d k r | j } n | | | j <d S( N( u Noneu _mapu _fileno( u selfu map( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu add_channel s u dispatcher.add_channelc C sD | j } | d k r! | j } n | | k r7 | | =n d | _ d S( N( u _filenou Noneu _map( u selfu mapu fd( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu del_channel s u dispatcher.del_channelc C s? | | f | _ t j | | � } | j d � | j | � d S( Ni ( u family_and_typeu socketu setblockingu set_socket( u selfu familyu typeu sock( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu create_socket s u dispatcher.create_socketc C s) | | _ | j � | _ | j | � d S( N( u socketu filenou _filenou add_channel( u selfu socku map( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu set_socket% s u dispatcher.set_socketc C sU y9 | j j t j t j | j j t j t j � d B� Wn t j k rP Yn Xd S( Ni ( u socketu setsockoptu SOL_SOCKETu SO_REUSEADDRu getsockoptu error( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu set_reuse_addr+ s u dispatcher.set_reuse_addrc C s d S( NT( u True( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu readable< s u dispatcher.readablec C s d S( NT( u True( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu writable? s u dispatcher.writablec C s= d | _ t j d k r- | d k r- d } n | j j | � S( Nu nti T( u Trueu acceptingu osu nameu socketu listen( u selfu num( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu listenF s u dispatcher.listenc C s | | _ | j j | � S( N( u addru socketu bind( u selfu addr( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu bindL s u dispatcher.bindc C s� d | _ d | _ | j j | � } | t t t f k sT | t k ra t j d k ra | | _ d S| d t f k r� | | _ | j � n t j | t | � � d S( Nu ntu cei FT( u ntu ce( u Falseu connectedu Trueu connectingu socketu connect_exu EINPROGRESSu EALREADYu EWOULDBLOCKu EINVALu osu nameu addru EISCONNu handle_connect_eventu erroru errorcode( u selfu addressu err( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu connectP s u dispatcher.connectc C s� y | j j � \ } } Wn` t k r1 d SYnU t j k r{ } z( | j d t t t f k rf d S� WYd d } ~ Xn X| | f Sd S( Ni ( u socketu acceptu TypeErroru Noneu erroru argsu EWOULDBLOCKu ECONNABORTEDu EAGAIN( u selfu connu addru why( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu accept^ s u dispatcher.acceptc C s� y | j j | � } | SWnc t j k r } z@ | j d t k rI d S| j d t k rj | j � d S� WYd d } ~ Xn Xd S( Ni ( u socketu sendu erroru argsu EWOULDBLOCKu _DISCONNECTEDu handle_close( u selfu datau resultu why( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu sendl s u dispatcher.sendc C s� y. | j j | � } | s) | j � d S| SWnL t j k r| } z) | j d t k rg | j � d S� WYd d } ~ Xn Xd S( Ns i ( u socketu recvu handle_closeu erroru argsu _DISCONNECTED( u selfu buffer_sizeu datau why( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu recvy s u dispatcher.recvc C s� d | _ d | _ d | _ | j � y | j j � WnG t j k r } z$ | j d t t f k rm � n WYd d } ~ Xn Xd S( Ni F( u Falseu connectedu acceptingu connectingu del_channelu socketu closeu erroru argsu ENOTCONNu EBADF( u selfu why( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu close� s u dispatcher.closec C s� y t | j | � } Wn. t k rF t d | j j | f � � Yn9 Xd i | j j d 6| d 6} t j | t d d �| Sd S( Nu! %s instance has no attribute '%s'uA %(me)s.%(attr)s is deprecated; use %(me)s.socket.%(attr)s insteadu meu attru stackleveli ( u getattru socketu AttributeErroru __class__u __name__u warningsu warnu DeprecationWarning( u selfu attru retattru msg( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __getattr__� s u dispatcher.__getattr__c C s t j j d t | � � d S( Nu log: %s ( u sysu stderru writeu str( u selfu message( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu log� s u dispatcher.logu infoc C s* | | j k r& t d | | f � n d S( Nu %s: %s( u ignore_log_typesu print( u selfu messageu type( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu log_info� s u dispatcher.log_infoc C sP | j r | j � n6 | j sB | j r5 | j � n | j � n | j � d S( N( u acceptingu handle_acceptu connectedu connectingu handle_connect_eventu handle_read( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_read_event� s u dispatcher.handle_read_eventc C sb | j j t j t j � } | d k rB t j | t | � � � n | j � d | _ d | _ d S( Ni TF( u socketu getsockoptu SOL_SOCKETu SO_ERRORu erroru _strerroru handle_connectu Trueu connectedu Falseu connecting( u selfu err( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_connect_event� s u dispatcher.handle_connect_eventc C s= | j r d S| j s/ | j r/ | j � q/ n | j � d S( N( u acceptingu connectedu connectingu handle_connect_eventu handle_write( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_write_event� s u dispatcher.handle_write_eventc C sB | j j t j t j � } | d k r4 | j � n | j � d S( Ni ( u socketu getsockoptu SOL_SOCKETu SO_ERRORu handle_closeu handle_expt( u selfu err( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_expt_event� s u dispatcher.handle_expt_eventc C sn t � \ } } } } y t | � } Wn d t | � } Yn X| j d | | | | f d � | j � d S( Nu) <__repr__(self) failed for object at %0x>u: uncaptured python exception, closing channel %s (%s:%s %s)u error( u compact_tracebacku repru idu log_infou handle_close( u selfu nilu tu vu tbinfou self_repr( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_error� s u dispatcher.handle_errorc C s | j d d � d S( Nu! unhandled incoming priority eventu warning( u log_info( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_expt� s u dispatcher.handle_exptc C s | j d d � d S( Nu unhandled read eventu warning( u log_info( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_read� s u dispatcher.handle_readc C s | j d d � d S( Nu unhandled write eventu warning( u log_info( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_write� s u dispatcher.handle_writec C s | j d d � d S( Nu unhandled connect eventu warning( u log_info( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_connect� s u dispatcher.handle_connectc C s, | j � } | d k r( | j | � n d S( N( u acceptu Noneu handle_accepted( u selfu pair( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_accept� s u dispatcher.handle_acceptc C s | j � | j d d � d S( Nu unhandled accepted eventu warning( u closeu log_info( u selfu socku addr( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_accepted s u dispatcher.handle_acceptedc C s | j d d � | j � d S( Nu unhandled close eventu warning( u log_infou close( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_close s u dispatcher.handle_closeNF(0 u __name__u __module__u __qualname__u Falseu debugu connectedu acceptingu connectingu closingu Noneu addru frozensetu ignore_log_typesu __init__u __repr__u __str__u add_channelu del_channelu socketu AF_INETu SOCK_STREAMu create_socketu set_socketu set_reuse_addru readableu writableu listenu bindu connectu acceptu sendu recvu closeu __getattr__u logu log_infou handle_read_eventu handle_connect_eventu handle_write_eventu handle_expt_eventu handle_erroru handle_exptu handle_readu handle_writeu handle_connectu handle_acceptu handle_acceptedu handle_close( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu dispatcher� sN u dispatcherc B sV | Ee Z d Z d d d d � Z d d � Z d d � Z d d � Z d d � Z d S( u dispatcher_with_sendc C s t j | | | � d | _ d S( Ns ( u dispatcheru __init__u out_buffer( u selfu socku map( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __init__ s u dispatcher_with_send.__init__c C s? d } t j | | j d d � � } | j | d � | _ d S( Ni i ( u dispatcheru sendu out_buffer( u selfu num_sent( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu initiate_send s u" dispatcher_with_send.initiate_sendc C s | j � d S( N( u initiate_send( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu handle_write s u! dispatcher_with_send.handle_writec C s | j p t | j � S( N( u connectedu lenu out_buffer( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu writable s u dispatcher_with_send.writablec C sA | j r# | j d t | � � n | j | | _ | j � d S( Nu sending %s( u debugu log_infou repru out_bufferu initiate_send( u selfu data( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu send s u dispatcher_with_send.sendN( u __name__u __module__u __qualname__u Noneu __init__u initiate_sendu handle_writeu writableu send( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu dispatcher_with_send s u dispatcher_with_sendc C s� t j � \ } } } g } | s0 t d � � n xD | rv | j | j j j | j j j t | j � f � | j } q3 W~ | d \ } } } d j d d � | D� � } | | | f | | | f S( Nu traceback does not existi u c S s g | ] } d | � q S( u [%s|%s|%s]( ( u .0u x( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu <listcomp>; s u% compact_traceback.<locals>.<listcomp>i����( u sysu exc_infou AssertionErroru appendu tb_frameu f_codeu co_filenameu co_nameu stru tb_linenou tb_nextu join( u tu vu tbu tbinfou fileu functionu lineu info( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu compact_traceback* s u compact_tracebackc C s� | d k r t } n x� t | j � � D]� } y | j � Wq( t k r� } z' | j d t k rg n | ss � n WYd d } ~ Xq( t k r� � Yq( | s� � n Yq( Xq( W| j � d S( Ni ( u Noneu socket_mapu listu valuesu closeu OSErroru argsu EBADFu _reraised_exceptionsu clear( u mapu ignore_allu x( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu close_all> s u close_allu posixc B sk | Ee Z d Z d d � Z d d � Z d d � Z d d d � Z e Z e Z d d � Z d d � Z d S( u file_wrapperc C s t j | � | _ d S( N( u osu dupu fd( u selfu fd( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __init__e s u file_wrapper.__init__c G s t j | j | � S( N( u osu readu fd( u selfu args( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu recvh s u file_wrapper.recvc G s t j | j | � S( N( u osu writeu fd( u selfu args( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu sendk s u file_wrapper.sendc C s9 | t j k r) | t j k r) | r) d St d � � d S( Ni u- Only asyncore specific behaviour implemented.( u socketu SOL_SOCKETu SO_ERRORu NotImplementedError( u selfu levelu optnameu buflen( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu getsockoptn s u file_wrapper.getsockoptc C s t j | j � d S( N( u osu closeu fd( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu closey s u file_wrapper.closec C s | j S( N( u fd( u self( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu fileno| s u file_wrapper.filenoN( u __name__u __module__u __qualname__u __init__u recvu sendu Noneu getsockoptu readu writeu closeu fileno( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu file_wrapper` s u file_wrapperc B s/ | Ee Z d Z d d d � Z d d � Z d S( u file_dispatcherc C s� t j | d | � d | _ y | j � } Wn t k r@ Yn X| j | � t j | t j d � } | t j B} t j | t j | � d S( Ni T( u dispatcheru __init__u Noneu Trueu connectedu filenou AttributeErroru set_fileu fcntlu F_GETFLu osu O_NONBLOCKu F_SETFL( u selfu fdu mapu flags( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu __init__� s u file_dispatcher.__init__c C s/ t | � | _ | j j � | _ | j � d S( N( u file_wrapperu socketu filenou _filenou add_channel( u selfu fd( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu set_file� s u file_dispatcher.set_fileN( u __name__u __module__u __qualname__u Noneu __init__u set_file( u __locals__( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu file_dispatcher s u file_dispatcher(1 u __doc__u selectu socketu sysu timeu warningsu osu errnou EALREADYu EINPROGRESSu EWOULDBLOCKu ECONNRESETu EINVALu ENOTCONNu ESHUTDOWNu EISCONNu EBADFu ECONNABORTEDu EPIPEu EAGAINu errorcodeu frozensetu _DISCONNECTEDu socket_mapu NameErroru _strerroru Exceptionu ExitNowu KeyboardInterruptu SystemExitu _reraised_exceptionsu readu writeu _exceptionu readwriteu Noneu pollu poll2u poll3u Falseu loopu dispatcheru dispatcher_with_sendu compact_tracebacku close_allu nameu fcntlu file_wrapperu file_dispatcher( ( ( u- /opt/alt/python33/lib64/python3.3/asyncore.pyu <module>/ sB X * � 9
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