D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
proc
/
3023066
/
root
/
usr
/
lib
/
python3.9
/
site-packages
/
dns
/
__pycache__
/
Filename :
_asyncio_backend.cpython-39.pyc
back
Copy
a �M�e # � @ s" d Z ddlZddlZddlZddlZddlZddlZddlZej dkZ dd� Z G dd� d�Z dd � Z G d d � d ejj�ZG d d � d ejj�Zej�d��rddlZddlZddlZddlZejZejjjZddl m Z m Z m Z G dd� de�Z G dd� dej!�Z"nejj#Z"G dd� dejj$�Z$dS )z asyncio library query support� N�win32c C s* z t �� W S ty$ t �� Y S 0 d S �N)�asyncioZget_running_loop�AttributeErrorZget_event_loop� r r �8/usr/lib/python3.9/site-packages/dns/_asyncio_backend.py�_get_running_loop s r c @ s< e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd S )�_DatagramProtocolc C s d | _ d | _d S r )� transport�recvfrom��selfr r r �__init__ s z_DatagramProtocol.__init__c C s || _ d S r )r )r r r r r �connection_made s z!_DatagramProtocol.connection_madec C s$ | j r | j �� s | j �||f� d S r )r �doneZ set_result)r �dataZaddrr r r �datagram_received s z#_DatagramProtocol.datagram_receivedc C s | j r | j �� s | j �|� d S r )r r � set_exception)r �excr r r �error_received$ s z _DatagramProtocol.error_receivedc C sd | j r`| j �� s`|d u rTzt�W q` tyP } z| j �|� W Y d }~q`d }~0 0 n | j �|� d S r )r r �EOFErrorr )r r �er r r �connection_lost( s $z!_DatagramProtocol.connection_lostc C s | j �� d S r )r �closer r r r r 3 s z_DatagramProtocol.closeN) �__name__� __module__� __qualname__r r r r r r r r r r r s r c � sP |d urBzt �| |�I d H W S t jy> tjj|d��Y qL0 n | I d H S d S )N)�timeout)r �wait_for� TimeoutError�dns� exceptionZTimeout)� awaitabler r r r �_maybe_wait_for7 s r# c sL e Zd Z� fdd�Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z � Z S )�DatagramSocketc s t � �|� || _|| _d S r )�superr r �protocol)r �familyr r& �� __class__r r r B s zDatagramSocket.__init__c � s | j �||� t|�S r )r �sendto�len)r �what� destinationr r r r r* G s zDatagramSocket.sendtoc � sT t � �� }z:| jjd u s J �|| j_t||�I d H |�� W d | j_S d | j_0 d S r )r Z create_futurer& r r# �result)r �sizer r r r r r L s �zDatagramSocket.recvfromc � s | j �� d S r )r& r r r r r r W s zDatagramSocket.closec � s | j �d�S �NZpeername�r �get_extra_infor r r r � getpeernameZ s zDatagramSocket.getpeernamec � s | j �d�S �NZsocknamer1 r r r r � getsockname] s zDatagramSocket.getsocknamec � s t �d S r ��NotImplementedError�r r r r r � getpeercert` s zDatagramSocket.getpeercert) r r r r r* r r r3 r5 r9 � __classcell__r r r( r r$ A s r$ c @ sD e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z dS )� StreamSocketc C s || _ || _|| _d S r )r' �reader�writer)r �afr< r= r r r r e s zStreamSocket.__init__c � s" | j �|� t| j �� |�I d H S r )r= �writer# Zdrain)r r, r r r r �sendallj s zStreamSocket.sendallc � s t | j�|�|�I d H S r )r# r< �read)r r/ r r r r �recvn s zStreamSocket.recvc � s | j �� d S r )r= r r r r r r q s zStreamSocket.closec � s | j �d�S r0 �r= r2 r r r r r3 t s zStreamSocket.getpeernamec � s | j �d�S r4 rC r r r r r5 w s zStreamSocket.getsocknamec � s | j �d�S )NZpeercertrC r8 r r r r9 z s zStreamSocket.getpeercertN) r r r r r@ rB r r3 r5 r9 r r r r r; d s r; Zdoh)�_compute_times� _expiration_for_this_attempt� _remainingc s8 e Zd Z� fdd�Zd dd�Zd dd�Zdd � Z� ZS ) �_NetworkBackendc s6 t � �� || _|| _|| _|| _|dkr2td��d S )Nr z9the asyncio transport for HTTPX cannot set the local port)r% r Z _local_port� _resolver�_bootstrap_address�_familyr7 )r �resolver� local_port�bootstrap_addressr' r( r r r � s �z_NetworkBackend.__init__Nc � s g }t |�\}}tj�|�r(|�|� nV| jd ur@|�| j� n>t|�}| j} |r^tj�|�} | j j || |d�I d H } | � � }|D ]x} z`t d|�} t| �}t �|��& t j| ||d�I d H } W d � n1 s�0 Y t| �W S ty� Y q�0 q�tj�d S )N)r' Zlifetimeg @)Z remote_hostZ remote_portZ local_host)rD r �inetZ is_address�appendrI rF rJ Zaf_for_addressrH � resolve_name� addressesrE �anyioZ fail_after� connect_tcp�_CoreAnyIOStream� Exception�httpcoreZ ConnectError)r �host�portr Z local_address�socket_optionsrQ �_Z expirationr' ZanswersZaddressZattempt_expiration�streamr r r rS � s8 � �* z_NetworkBackend.connect_tcpc � s t �d S r r6 )r �pathr rY r r r �connect_unix_socket� s z#_NetworkBackend.connect_unix_socketc � s t �|�I d H d S r )rR �sleep)r Zsecondsr r r r^ � s z_NetworkBackend.sleep)N)N)r r r r rS r] r^ r: r r r( r rG � s � " � rG c s* e Zd Zdddejd�� fdd� Z� ZS )�_HTTPTransportr N)rL rM rK r' c sB |d u rdd l }|j�� }t� j|i |�� t||||�| j_d S )Nr )Zdns.asyncresolverZ asyncresolverZResolverr% r rG Z_poolZ_network_backend)r rL rM rK r' �args�kwargsr r( r r r � s �z_HTTPTransport.__init__)r r r �socketZ AF_UNSPECr r: r r r( r r_ � s �r_ c @ s> e Zd Zdd� Zddd�Zdd� Zd d � Zd d � Zd d� ZdS )�Backendc C s dS )Nr r r r r r �name� s z Backend.namer Nc � s� t � } |tjkrVtr,|d u r,tj�|�df}| jt||||d�I d H \} } t || | �S |tj kr�|d u rpt d��t t j|d |d |||||d�|�I d H \} } t|| | �S tdd|� � ��d S )Nr )r' �protoZ remote_addrz'destination required for stream sockets� )Zsslr' re Z local_addr�server_hostnamezunsupported socket ztype )r rb Z SOCK_DGRAM� _is_win32r rN Z any_for_afZcreate_datagram_endpointr r$ Z SOCK_STREAM� ValueErrorr# r Zopen_connectionr; r7 )r r> Zsocktypere �sourcer- r Z ssl_contextrg Zloopr r& �r�wr r r � make_socket� s> � � � �zBackend.make_socketc � s t �|�I d H d S r )r r^ )r �intervalr r r r^ s z Backend.sleepc C s dS )NFr r r r r � datagram_connection_required s z$Backend.datagram_connection_requiredc C s t S r )r_ r r r r �get_transport_class s zBackend.get_transport_classc � s t ||�I d H S r )r# )r r" r r r r r s zBackend.wait_for)r NNNNN) r r r rd rm r^ ro rp r r r r r rc � s � /rc )%�__doc__r rb �sysZdns._asyncbackendr Z dns._featuresZ dns.exceptionZdns.inet�platformrh r r r# Z _asyncbackendr$ r; Z _featuresZhaverR rV Zhttpcore._backends.anyioZhttpxZAsyncNetworkBackendZ_CoreAsyncNetworkBackendZ _backendsZ AnyIOStreamrT Z dns.queryrD rE rF rG ZAsyncHTTPTransportr_ Z NullTransportrc r r r r �<module> s2 # 5