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usr
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python3.9
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supervisor
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Filename :
socket_manager.cpython-39.pyc
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a 0�g � @ s6 d dl Z G dd� d�ZG dd� d�ZG dd� d�ZdS )� Nc @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �Proxyz` Class for wrapping a shared resource object and getting notified when it's deleted c K s || _ |�dd �| _d S )N� on_delete)�object�getr )�selfr �kwargs� r �=/usr/lib/python3.9/site-packages/supervisor/socket_manager.py�__init__ s zProxy.__init__c C s | j r| � � d S �N�r �r r r r �__del__ s z Proxy.__del__c C s t | j|�S r )�getattrr )r �namer r r � __getattr__ s zProxy.__getattr__c C s | j S r )r r r r r �_get s z Proxy._getN)�__name__� __module__� __qualname__�__doc__r r r r r r r r r s r c @ s0 e Zd ZdZdd� Zdd� Zdd� Zdd � Zd S ) �ReferenceCounterz8 Class for tracking references to a shared resource c K s |d | _ |d | _d| _d S )N� on_non_zero�on_zeror )r r � ref_count)r r r r r r s zReferenceCounter.__init__c C s | j S r )r r r r r � get_count s zReferenceCounter.get_countc C s$ | j dkr| �� | j d7 _ d S )Nr � )r r r r r r � increment" s zReferenceCounter.incrementc C s6 | j dkrtd��| j d8 _ | j dkr2| �� d S )Nr z.Illegal operation: cannot decrement below zeror )r � Exceptionr r r r r � decrement' s zReferenceCounter.decrementN)r r r r r r r r r r r r r s r c @ sX e Zd ZdZdd� Zdd� Zdd� Zdd � Zd d � Zd d � Z dd� Z dd� Z dd� Z dS )� SocketManagera Class for managing sockets in servers that create/bind/listen before forking multiple child processes to accept() Sockets are managed at the process group level and referenced counted at the process level b/c that's really the only place to hook in c K s6 |� dd �| _d | _d| _|| _t| j| jd�| _d S )N�loggerF)r r ) r r! �socket�prepared� socket_configr �_close�_prepare_socket�ref_ctr)r r$ r r r r r 5 s �zSocketManager.__init__c C s d| j t| �| jjf S )Nz<%s at %s for %s>)� __class__�idr$ �urlr r r r �__repr__> s �zSocketManager.__repr__c C s | j S r )r$ r r r r �configC s zSocketManager.configc C s | j S r )r# r r r r � is_preparedF s zSocketManager.is_preparedc C s$ | j �� | �� t| j| j jd�S )Nr )r' r �_require_preparedr r" r r r r r � get_socketI s zSocketManager.get_socketc C s | � � | j�� S r )r. r' r r r r r �get_socket_ref_countN s z"SocketManager.get_socket_ref_countc C s | j std��d S )Nz Socket has not been prepared)r# r r r r r r. R s z SocketManager._require_preparedc C s` | j s\| jr | j�d| j � | j�� | _| j�� rH| j�| j�� � n| j�tj� d| _ d S )NzCreating socket %sT) r# r! �infor$ Zcreate_and_bindr" Z get_backlogZlistenZ SOMAXCONNr r r r r& V s z SocketManager._prepare_socketc C s4 | � � | jr | j�d| j � | j�� d| _d S )NzClosing socket %sF)r. r! r1 r$ r" �closer# r r r r r% a s zSocketManager._closeN) r r r r r r+ r, r- r/ r0 r. r& r% r r r r r . s r )r" r r r r r r r �<module> s