OwlCyberSecurity - MANAGER
Edit File: selector_events.cpython-35.pyc
��Yf�� � @ s� d Z d g 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 y d d l Z Wn e k r� d Z Yn Xd d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d l m Z d d � Z e e d � rLd d � Z n d d � Z Gd d � d e j � Z Gd d � d e j e j � Z Gd d � d e � Z Gd d � d e � Z Gd d � d e � Z! d S) z�Event loop using a selector and related classes. A selector is a "notify-when-ready" multiplexer. For a subclass which also includes support for signal handling, see the unix_events sub-module. �BaseSelectorEventLoop� N� )� base_events)�compat)� constants)�events)�futures)� selectors)� transports)�sslproto)� coroutine)�loggerc C sA y | j | � } Wn t k r+ d SYn Xt | j | @� Sd S)NF)�get_key�KeyError�boolr )�selector�fdZevent�key� r �</opt/alt/python35/lib64/python3.5/asyncio/selector_events.py�_test_selector_event s r � TCP_NODELAYc C s\ | j t j t j h k rX | j t j k rX | j t j k rX | j t j t j d � d S)Nr ) �family�socketZAF_INETZAF_INET6�typeZ SOCK_STREAM�protoZ IPPROTO_TCPZ setsockoptr )�sockr r r � _set_nodelay, s r c C s d S)Nr )r r r r r 2 s c sD e Z d Z d Z d � f d d � Z d d d d d d d �Z d d d d d d d d d d d �Z d d d d d d d d d d � Z d d d d d � Z � f d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d d! d" � Z d d d d# d$ � Z e d d d% d& � � Z 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 e dA dB � � Z! dC dD � Z" dE dF � Z# dG dH � Z$ dI dJ � Z% dK dL � Z& dM dN � Z' dO dP � Z( � S)Qr zJSelector event loop. See events.EventLoop for API specification. Nc sa t � j � | d k r% t j � } t j d | j j � | | _ | j � t j � | _ d S)NzUsing selector: %s) �super�__init__r ZDefaultSelectorr �debug� __class__�__name__� _selector�_make_self_pipe�weakref�WeakValueDictionary� _transports)�selfr )r! r r r < s z BaseSelectorEventLoop.__init__�extra�serverc C s t | | | | | | � S)N)�_SelectorSocketTransport)r( r �protocol�waiterr) r* r r r �_make_socket_transportF s z,BaseSelectorEventLoop._make_socket_transport� server_sideF�server_hostnamec C s{ t j � s: | j | | | | d | d | d | d | �St j | | | | | | � } t | | | d | d | �| j S)Nr/ r0 r) r* )r Z_is_sslproto_available�_make_legacy_ssl_transportZ SSLProtocolr+ Z_app_transport) r( �rawsockr, � sslcontextr- r/ r0 r) r* Z ssl_protocolr r r �_make_ssl_transportK s z)BaseSelectorEventLoop._make_ssl_transportc C s" t | | | | | | | | | � S)N)�_SelectorSslTransport) r( r2 r, r3 r- r/ r0 r) r* r r r r1 Z s z0BaseSelectorEventLoop._make_legacy_ssl_transportc C s t | | | | | | � S)N)�_SelectorDatagramTransport)r( r r, �addressr- r) r r r �_make_datagram_transportd s z.BaseSelectorEventLoop._make_datagram_transportc sh | j � r t d � � | j � r( d S| j � t � j � | j d k rd | j j � d | _ d S)Nz!Cannot close a running event loop)Z is_running� RuntimeError� is_closed�_close_self_piper �closer# )r( )r! r r r< i s zBaseSelectorEventLoop.closec C s t � d S)N)�NotImplementedError)r( r r r � _socketpairt s z!BaseSelectorEventLoop._socketpairc C sU | j | j j � � | j j � d | _ | j j � d | _ | j d 8_ d S)Nr )�_remove_reader�_ssock�filenor< �_csock� _internal_fds)r( r r r r; w s z&BaseSelectorEventLoop._close_self_pipec C sg | j � \ | _ | _ | j j d � | j j d � | j d 7_ | j | j j � | j � d S)NFr )r> r@ rB � setblockingrC � _add_readerrA �_read_from_self)r( r r r r$ s z%BaseSelectorEventLoop._make_self_pipec C s d S)Nr )r( �datar r r �_process_self_data� s z(BaseSelectorEventLoop._process_self_datac C s_ xX y* | j j d � } | s P| j | � Wq t k rD w Yq t k rV PYq Xq Wd S)Ni )r@ �recvrH �InterruptedError�BlockingIOError)r( rG r r r rF � s z%BaseSelectorEventLoop._read_from_selfc C s[ | j } | d k rW y | j d � Wn. t k rV | j rR t j d d d �Yn Xd S)Ns z3Fail to write a null byte into the self-pipe socket�exc_infoT)rB �send�OSError�_debugr r )r( Zcsockr r r �_write_to_self� s z$BaseSelectorEventLoop._write_to_self�d c C s, | j | j � | j | | | | | � d S)N)rE rA �_accept_connection)r( �protocol_factoryr r3 r* �backlogr r r �_start_serving� s z$BaseSelectorEventLoop._start_servingc C s[ xTt | � D]F} yB | j � \ } } | j rG t j d | | | � | j d � Wn� t t t f k rv d SYq t k r } z� | j t j t j t j t j f k r | j d d d | d | i � | j | j � � | j t j | j | | | | | � n � WYd d } ~ Xq Xd | i } | j | | | | | � } | j | � q Wd S)Nz#%r got a new connection from %r: %rF�messagez&socket.accept() out of system resource� exceptionr �peername)�range�acceptrO r r rD rK rJ �ConnectionAbortedErrorrN �errnoZEMFILEZENFILEZENOBUFSZENOMEM�call_exception_handlerr? rA Z call_laterr ZACCEPT_RETRY_DELAYrU �_accept_connection2Z create_task) r( rS r r3 r* rT �_�conn�addr�excr) rZ r r r rR � s4 z(BaseSelectorEventLoop._accept_connectionc c s$ d } d } y� | � } | j � } | rZ | j | | | d | d d d | d | �} n$ | j | | d | d | d | �} y | Ed HWn | j � � Yn XWny t k r } zY | j r d d d | i } | d k r� | | d <| d k r | | d <| j | � WYd d } ~ Xn Xd S) Nr- r/ Tr) r* rV z3Error on transport creation for incoming connectionrW r, � transport)� create_futurer4 r. r< � ExceptionrO r] ) r( rS r` r) r3 r* r, rc r- rb �contextr r r r^ � s4 z)BaseSelectorEventLoop._accept_connection2c C sN y | j | } Wn t k r% Yn% X| j � sJ t d j | | � � � d S)Nz.File descriptor {!r} is used by transport {!r})r' r � is_closingr9 �format)r( r rc r r r �_ensure_fd_no_transport� s z-BaseSelectorEventLoop._ensure_fd_no_transportc G s� | j � t j | | | � } y | j j | � } Wn1 t k rh | j j | t j | d f � YnS X| j | j } \ } } | j j | | t j B| | f � | d k r� | j � d S)N) � _check_closedr �Handler# r r �registerr � EVENT_READrG �modify�cancel) r( r �callback�args�handler �mask�reader�writerr r r rE s z!BaseSelectorEventLoop._add_readerc C s� | j � r d Sy | j j | � } Wn t k r> d SYn{ X| j | j } \ } } | t j M} | s | j j | � n | j j | | d | f � | d k r� | j � d Sd Sd S)NFT) r: r# r r r rG r rm � unregisterrn ro )r( r r rs rt ru r r r r? s z$BaseSelectorEventLoop._remove_readerc G s� | j � t j | | | � } y | j j | � } Wn1 t k rh | j j | t j d | f � YnS X| j | j } \ } } | j j | | t j B| | f � | d k r� | j � d S)N) rj r rk r# r r rl r � EVENT_WRITErG rn ro ) r( r rp rq rr r rs rt ru r r r � _add_writer( s z!BaseSelectorEventLoop._add_writerc C s� | j � r d Sy | j j | � } Wn t k r> d SYn{ X| j | j } \ } } | t j M} | s | j j | � n | j j | | | d f � | d k r� | j � d Sd Sd S)zRemove a writer callback.FNT) r: r# r r r rG r rw rv rn ro )r( r r rs rt ru r r r �_remove_writer7 s z$BaseSelectorEventLoop._remove_writerc G s | j | � | j | | | � S)zAdd a reader callback.)ri rE )r( r rp rq r r r � add_readerN s z BaseSelectorEventLoop.add_readerc C s | j | � | j | � S)zRemove a reader callback.)ri r? )r( r r r r � remove_readerS s z#BaseSelectorEventLoop.remove_readerc G s | j | � | j | | | � S)zAdd a writer callback..)ri rx )r( r rp rq r r r � add_writerX s z BaseSelectorEventLoop.add_writerc C s | j | � | j | � S)zRemove a writer callback.)ri ry )r( r r r r � remove_writer] s z#BaseSelectorEventLoop.remove_writerc C sM | j r' | j � d k r' t d � � | j � } | j | d | | � | S)z�Receive data from the socket. The return value is a bytes object representing the data received. The maximum amount of data to be received at once is specified by nbytes. This method is a coroutine. r z the socket must be non-blockingF)rO � gettimeout� ValueErrorrd � _sock_recv)r( r �n�futr r r � sock_recvb s z BaseSelectorEventLoop.sock_recvc C s� | j � } | r | j | � | j � r/ d Sy | j | � } Wnh t t f k r{ | j | | j | d | | � Yn? t k r� } z | j | � WYd d } ~ Xn X| j | � d S)NT) rA r{ � cancelledrI rK rJ rz r� re � set_exception� set_result)r( r� � registeredr r� r rG rb r r r r� q s # z BaseSelectorEventLoop._sock_recvc C sc | j r' | j � d k r' t d � � | j � } | rR | j | d | | � n | j d � | S)a� Send data to the socket. The socket must be connected to a remote socket. This method continues to send data from data until either all data has been sent or an error occurs. None is returned on success. On error, an exception is raised, and there is no way to determine how much data, if any, was successfully processed by the receiving end of the connection. This method is a coroutine. r z the socket must be non-blockingFN)rO r~ r rd � _sock_sendallr� )r( r rG r� r r r � sock_sendall� s z"BaseSelectorEventLoop.sock_sendallc C s� | j � } | r | j | � | j � r/ d Sy | j | � } WnS t t f k rb d } Yn6 t k r� } z | j | � d SWYd d } ~ Xn X| t | � k r� | j d � n5 | r� | | d � } | j | | j | d | | � d S)Nr T) rA r} r� rM rK rJ re r� �lenr� r| r� )r( r� r� r rG r r� rb r r r r� � s" z#BaseSelectorEventLoop._sock_sendallc c s� | j r' | j � d k r' t d � � t t d � sI | j t j k r� t j | d | j d | j d | �} | j � s� | Ed H| j � d \ } } } } } | j � } | j | | | � | Ed HS)zTConnect to a remote socket at address. This method is a coroutine. r z the socket must be non-blocking�AF_UNIXr r �loopN)rO r~ r �hasattrr r r� r Z_ensure_resolvedr �done�resultrd � _sock_connect)r( r r7 Zresolvedr_ r� r r r � sock_connect� s "! z"BaseSelectorEventLoop.sock_connectc C s� | j � } y | j | � Wn� t t f k ro | j t j | j | � � | j | | j | | | � Yn? t k r� } z | j | � WYd d } ~ Xn X| j d � d S)N) rA ZconnectrK rJ Zadd_done_callback� functools�partial�_sock_connect_doner| �_sock_connect_cbre r� r� )r( r� r r7 r rb r r r r� � s z#BaseSelectorEventLoop._sock_connectc C s | j | � d S)N)r} )r( r r� r r r r� � s z(BaseSelectorEventLoop._sock_connect_donec C s� | j � r d Sy> | j t j t j � } | d k rM t | d | f � � WnI t t f k rh Yn? t k r� } z | j | � WYd d } ~ Xn X| j d � d S)Nr zConnect call failed %s) r� Z getsockoptr Z SOL_SOCKETZSO_ERRORrN rK rJ re r� r� )r( r� r r7 �errrb r r r r� � s z&BaseSelectorEventLoop._sock_connect_cbc C sJ | j r' | j � d k r' t d � � | j � } | j | d | � | S)a| Accept a connection. The socket must be bound to an address and listening for connections. The return value is a pair (conn, address) where conn is a new socket object usable to send and receive data on the connection, and address is the address bound to the socket on the other end of the connection. This method is a coroutine. r z the socket must be non-blockingF)rO r~ r rd � _sock_accept)r( r r� r r r � sock_accept� s z!BaseSelectorEventLoop.sock_acceptc C s� | j � } | r | j | � | j � r/ d Sy# | j � \ } } | j d � Wne t t f k r� | j | | j | d | � YnE t k r� } z | j | � WYd d } ~ Xn X| j | | f � d S)NFT) rA r{ r� rZ rD rK rJ rz r� re r� r� )r( r� r� r r r` r7 rb r r r r� � s z"BaseSelectorEventLoop._sock_acceptc C s� x� | D]� \ } } | j | j } \ } } | t j @rk | d k rk | j r^ | j | � n | j | � | t j @r | d k r | j r� | j | � q | j | � q Wd S)N) �fileobjrG r rm Z _cancelledr? Z _add_callbackrw ry )r( Z event_listr rs r� rt ru r r r �_process_events s z%BaseSelectorEventLoop._process_eventsc C s! | j | j � � | j � d S)N)r? rA r< )r( r r r r � _stop_serving s z#BaseSelectorEventLoop._stop_serving))r" � __module__� __qualname__�__doc__r r. r4 r1 r8 r< r> r; r$ rH rF rP rU rR r r^ ri rE r? rx ry rz r{ r| r} r� r� r� r� r� r� r� r� r� r� r� r� r r )r! r r 6 sV (# c s� e Z d Z d Z e Z d Z d d � f d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z e j r� d d � Z d d d � Z d d � Z d d � Z d d � Z � S) �_SelectorTransport� i Nc s t � j | | � | | j d <| j � | j d <d | j k r~ y | j � | j d <Wn" t j k r} d | j d <Yn X| | _ | j � | _ | | _ d | _ | | _ | j � | _ d | _ d | _ | j d k r� | j j � | | j | j <d S)Nr ZsocknamerX Tr F)r r �_extraZ getsocknameZ getpeernamer �error�_sockrA �_sock_fd� _protocol�_protocol_connected�_server�_buffer_factory�_buffer� _conn_lost�_closingZ_attachr' )r( r� r r, r) r* )r! r r r ) s& z_SelectorTransport.__init__c C s | j j g } | j d k r. | j d � n | j rD | j d � | j d | j � | j d k r| j j � rt | j j | j t j � } | r� | j d � n | j d � t | j j | j t j � } | r� d } n d } | j � } | j d | | f � d d j | � S) N�closed�closingzfd=%sz read=pollingz read=idle�pollingZidlezwrite=<%s, bufsize=%s>z<%s>� )r! r" r� �appendr� r� �_loopr: r r# r rm rw �get_write_buffer_size�join)r( �infor� �state�bufsizer r r �__repr__> s* z_SelectorTransport.__repr__c C s | j d � d S)N)� _force_close)r( r r r �abortZ s z_SelectorTransport.abortc C s | | _ d S)N)r� )r( r, r r r � set_protocol] s z _SelectorTransport.set_protocolc C s | j S)N)r� )r( r r r � get_protocol` s z _SelectorTransport.get_protocolc C s | j S)N)r� )r( r r r rg c s z _SelectorTransport.is_closingc C sn | j r d Sd | _ | j j | j � | j sj | j d 7_ | j j | j � | j j | j d � d S)NTr ) r� r� r? r� r� r� ry � call_soon�_call_connection_lost)r( r r r r< f s z_SelectorTransport.closec C s4 | j d k r0 t j d | t � | j j � d S)Nzunclosed transport %r)r� �warnings�warn�ResourceWarningr< )r( r r r �__del__t s z_SelectorTransport.__del__zFatal error on transportc C sy t | t j � r= | j j � rh t j d | | d d �n+ | j j d | d | d | d | j i � | j | � d S)Nz%r: %srL TrV rW rc r, ) � isinstancer Z_FATAL_ERROR_IGNOREr� � get_debugr r r] r� r� )r( rb rV r r r � _fatal_errory s z _SelectorTransport._fatal_errorc C s� | j r d S| j r6 | j j � | j j | j � | j s[ d | _ | j j | j � | j d 7_ | j j | j | � d S)NTr ) r� r� �clearr� ry r� r� r? r� r� )r( rb r r r r� � s z _SelectorTransport._force_closec C su z | j r | j j | � Wd | j j � d | _ d | _ d | _ | j } | d k rp | j � d | _ Xd S)N)r� r� Zconnection_lostr� r< r� r� Z_detach)r( rb r* r r r r� � s z(_SelectorTransport._call_connection_lostc C s t | j � S)N)r� r� )r( r r r r� � s z(_SelectorTransport.get_write_buffer_sizei )r" r� r� �max_size� bytearrayr� r� r r� r� r� r� rg r< r ZPY34r� r� r� r� r� r r )r! r r� s r� c s e Z d Z d d d � f d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z � S)r+ Nc s� t � j | | | | | � d | _ d | _ t | j � | j j | j j | � | j j | j j | j | j � | d k r� | j j t j | d � d S)NF)r r �_eof�_pausedr r� r� r� r� �connection_maderE r� � _read_readyr � _set_result_unless_cancelled)r( r� r r, r- r) r* )r! r r r � s z!_SelectorSocketTransport.__init__c C si | j r t d � � | j r* t d � � d | _ | j j | j � | j j � re t j d | � d S)Nz#Cannot pause_reading() when closingzAlready pausedTz%r pauses reading) r� r9 r� r� r? r� r� r r )r( r r r � pause_reading� s z&_SelectorSocketTransport.pause_readingc C sg | j s t d � � d | _ | j r+ d S| j j | j | j � | j j � rc t j d | � d S)Nz Not pausedFz%r resumes reading) r� r9 r� r� rE r� r� r� r r )r( r r r �resume_reading� s z'_SelectorSocketTransport.resume_readingc C s� | j r d Sy | j j | j � } WnL t t f k r@ Yn� t k rt } z | j | d � WYd d } ~ Xnn X| r� | j j | � nT | j j � r� t j d | � | j j � } | r� | j j | j � n | j � d S)Nz$Fatal read error on socket transportz%r received EOF)r� r� rI r� rK rJ re r� r� � data_receivedr� r� r r � eof_receivedr? r� r< )r( rG rb � keep_openr r r r� � s #z$_SelectorSocketTransport._read_readyc C sN t | t t t f � s1 t d t | � j � � | j rF t d � � | sP d S| j r� | j t j k rx t j d � | j d 7_ d S| j s0y | j j | � } WnP t t f k r� YnS t k r� } z | j | d � d SWYd d } ~ Xn X| | d � } | sd S| j j | j | j � | j j | � | j � d S)Nz1data argument must be a bytes-like object, not %rz%Cannot call write() after write_eof()z socket.send() raised exception.r z%Fatal write error on socket transport)r� �bytesr� � memoryview� TypeErrorr r" r� r9 r� r �!LOG_THRESHOLD_FOR_CONNLOST_WRITESr �warningr� r� rM rK rJ re r� r� rx r� � _write_ready�extend�_maybe_pause_protocol)r( rG r� rb r r r �write� s4 z _SelectorSocketTransport.writec C s | j s t d � � | j r" d Sy | j j | j � } Wnl t t f k rU Yn� t k r� } z5 | j j | j � | j j � | j | d � WYd d } ~ Xnr X| r� | j d | � =| j � | j s| j j | j � | j r� | j d � n | j r| j j t j � d S)NzData should not be emptyz%Fatal write error on socket transport)r� �AssertionErrorr� r� rM rK rJ re r� ry r� r� r� �_maybe_resume_protocolr� r� r� �shutdownr �SHUT_WR)r( r� rb r r r r� s( # z%_SelectorSocketTransport._write_readyc C s6 | j r d Sd | _ | j s2 | j j t j � d S)NT)r� r� r� r� r r� )r( r r r � write_eof" s z"_SelectorSocketTransport.write_eofc C s d S)NTr )r( r r r � can_write_eof) s z&_SelectorSocketTransport.can_write_eof) r" r� r� r r� r� r� r� r� r� r� r r )r! r r+ � s # r+ c s� e Z d Z e Z d d d d d � f d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z � S)r5 NFc s t d k r t d � � | s0 t j | | � } d | d d i } | rY | rY | | d <| j | | � } t � j | | | | | � d | _ | | _ | | _ | | _ d | _ | j j d | � | j j � r� t j d | � | j j � } n d } | j | � d S)Nz stdlib ssl module not availabler/ Zdo_handshake_on_connectFr0 r3 z%r starts SSL handshake)�sslr9 r Z_create_transport_contextZ wrap_socketr r r� �_server_hostname�_waiter� _sslcontextr� r� �updater� r� r r �time� _on_handshake) r( r� r2 r, r3 r- r/ r0 r) r* Z wrap_kwargsZsslsock� start_time)r! r r r 1 s* z _SelectorSslTransport.__init__c C s^ | j d k r d S| j j � sQ | d k rA | j j | � n | j j d � d | _ d S)N)r� r� r� r� )r( rb r r r �_wakeup_waiterU s z$_SelectorSslTransport._wakeup_waiterc % C s� y | j j � Wnt j k rH | j j | j | j | � d SYn� t j k r| | j j | j | j | � d SYn� t k r} z� | j j � r� t j d | d d �| j j | j � | j j | j � | j j � | j | � t | t � rd S� WYd d } ~ Xn X| j j | j � | j j | j � | j j � } t | j d � s| j r| j j t j k ry t j | | j � Wnh t k r} zH | j j � r�t j d | d d �| j j � | j | � d SWYd d } ~ Xn X| j j d | d | j j � d | j j � d | j � d | _ d | _ | j j | j | j! � d | _" | j j# | j$ j% | � | j j# | j � | j j � r�| j j& � | } t j' d | | d � d S) Nz%r: SSL handshake failedrL TZcheck_hostnamez1%r: SSL handshake failed on matching the hostname�peercert�cipher� compressionZ ssl_objectFz %r: SSL handshake took %.1f msg @�@)(r� Z do_handshaker� �SSLWantReadErrorr� rE r� r� �SSLWantWriteErrorrx � BaseExceptionr� r r� r? ry r< r� r� re Z getpeercertr� r� r� Z verify_modeZ CERT_NONEZmatch_hostnamer� r� r� r� �_read_wants_write�_write_wants_readr� r� r� r� r� r� r )r( r� rb r� Zdtr r r r� _ sb z#_SelectorSslTransport._on_handshakec C si | j r t d � � | j r* t d � � d | _ | j j | j � | j j � re t j d | � d S)Nz#Cannot pause_reading() when closingzAlready pausedTz%r pauses reading) r� r9 r� r� r? r� r� r r )r( r r r r� � s z#_SelectorSslTransport.pause_readingc C sg | j s t d � � d | _ | j r+ d S| j j | j | j � | j j � rc t j d | � d S)Nz Not pausedFz%r resumes reading) r� r9 r� r� rE r� r� r� r r )r( r r r r� � s z$_SelectorSslTransport.resume_readingc C sr | j r d S| j rK d | _ | j � | j rK | j j | j | j � y | j j | j � } Wn� t t t j f k r� Yn� t j k r� d | _ | j j | j � | j j | j | j � Yn� t k r} z | j | d � WYd d } ~ Xnm X| r| j j | � nS zE | j j � r=t j d | � | j j � } | r_t j d � Wd | j � Xd S)NFTz!Fatal read error on SSL transportz%r received EOFz?returning true from eof_received() has no effect when using ssl)r� r� r� r� r� rx r� r� rI r� rK rJ r� r� r� r� r? re r� r� r� r� r r r� r� r< )r( rG rb r� r r r r� � s4 #z!_SelectorSslTransport._read_readyc C s� | j r d S| j rT d | _ | j � | j p8 | j sT | j j | j | j � | j rAy | j j | j � } Wn� t t t j f k r� d } Yn� t j k r� d } | j j | j � d | _ YnY t k r*} z9 | j j | j � | j j � | j | d � d SWYd d } ~ Xn X| rA| j d | � =| j � | j s}| j j | j � | j r}| j d � d S)NFr Tz"Fatal write error on SSL transport)r� r� r� r� r� r� rE r� r� r� rM rK rJ r� r� r� ry r� re r� r� r� r� )r( r� rb r r r r� � s8 z"_SelectorSslTransport._write_readyc C s� t | t t t f � s1 t d t | � j � � | s; d S| j rv | j t j k rc t j d � | j d 7_ d S| j s� | j j | j | j � | j j | � | j � d S)Nz1data argument must be a bytes-like object, not %rz socket.send() raised exception.r )r� r� r� r� r� r r" r� r r� r r� r� r� rx r� r� r� r� )r( rG r r r r� � s z_SelectorSslTransport.writec C s d S)NFr )r( r r r r� s z#_SelectorSslTransport.can_write_eof)r" r� r� r� r� r r� r� r� r� r� r� r� r� r r )r! r r5 - s " ? " # r5 c sg e Z d Z e j Z d d d � f d d � Z d d � Z d d � Z d d d � Z d d � Z � S) r6 Nc s� t � j | | | | � | | _ | j j | j j | � | j j | j j | j | j � | d k r� | j j t j | d � d S)N) r r �_addressr� r� r� r� rE r� r� r r� )r( r� r r, r7 r- r) )r! r r r s z#_SelectorDatagramTransport.__init__c C s t d d � | j D� � S)Nc s s! | ] \ } } t | � Vq d S)N)r� )�.0rG r_ r r r � <genexpr>' s zC_SelectorDatagramTransport.get_write_buffer_size.<locals>.<genexpr>)�sumr� )r( r r r r� & s z0_SelectorDatagramTransport.get_write_buffer_sizec C s� | j r d Sy | j j | j � \ } } Wn� t t f k rF Yn| t k rz } z | j j | � WYd d } ~ XnH t k r� } z | j | d � WYd d } ~ Xn X| j j | | � d S)Nz&Fatal read error on datagram transport) r� r� Zrecvfromr� rK rJ rN r� �error_receivedre r� Zdatagram_received)r( rG ra rb r r r r� ) s "#z&_SelectorDatagramTransport._read_readyc C s� t | t t t f � s1 t d t | � j � � | s; d S| j ro | d | j f k ro t d | j f � � | j r� | j r� | j t j k r� t j d � | j d 7_ d S| j s�y7 | j r� | j j | � n | j j | | � d SWn� t t f k r&| j j | j | j � Ynq t k r^} z | j j | � d SWYd d } ~ Xn9 t k r�} z | j | d � d SWYd d } ~ Xn X| j j t | � | f � | j � d S)Nz1data argument must be a bytes-like object, not %rz#Invalid address: must be None or %sz socket.send() raised exception.r z'Fatal write error on datagram transport) r� r� r� r� r� r r" r� r r� r r� r r� r� r� rM �sendtorK rJ r� rx r� � _sendto_readyrN r� r� re r� r� r� )r( rG ra rb r r r r� 7 s< z!_SelectorDatagramTransport.sendtoc C s: x� | j r� | j j � \ } } y3 | j r@ | j j | � n | j j | | � Wq t t f k r� | j j | | f � PYq t k r� } z | j j | � d SWYd d } ~ Xq t k r� } z | j | d � d SWYd d } ~ Xq Xq W| j � | j s6| j j | j � | j r6| j d � d S)Nz'Fatal write error on datagram transport)r� �popleftr� r� rM r� rK rJ � appendleftrN r� r� re r� r� r� ry r� r� r� )r( rG ra rb r r r r� ^ s* z(_SelectorDatagramTransport._sendto_ready) r" r� r� � collections�dequer� r r� r� r� r� r r )r! r r6 s 'r6 )"r� �__all__r� r\ r� r r� r% r� � ImportError� r r r r r r r r Z coroutinesr �logr r r� r Z BaseEventLoopr Z_FlowControlMixinZ Transportr� r+ r5 r6 r r r r �<module> s@ � � ���