Your IP : 216.73.216.196
B
0-�^� � @ s` d dl mZ d dlZd dlmZ ddlmZmZ G dd� de�Z ej
fdd �Z d
d � Z e � Z
dS ) � )�unicode_literalsN)�Lock� )�mmap_key�
MmapedDictc @ s4 e Zd ZdZdZdd� Zdd� Zdd� Zd d
� Zd S ) �
MutexValuez A float protected by a mutex.Fc K s d| _ t� | _d S )Ng )�_valuer �_lock)�self�typ� metric_name�name�
labelnames� labelvalues�kwargs� r �I/opt/alt/python37/lib/python3.7/site-packages/prometheus_client/values.py�__init__ s zMutexValue.__init__c C s$ | j � | j|7 _W d Q R X d S )N)r r )r
�amountr r r �inc s zMutexValue.incc C s | j � || _W d Q R X d S )N)r r )r
�valuer r r �set s zMutexValue.setc C s | j � | jS Q R X d S )N)r r )r
r r r �get s zMutexValue.getN) �__name__�
__module__� __qualname__�__doc__�
_multiprocessr r r r r r r r r s r c s8 i � g �d�� i�t � �G � ����fdd�dt�}|S )a8 Returns a MmapedValue class based on a process_identifier function.
The 'process_identifier' function MUST comply with this simple rule:
when called in simultaneously running processes it MUST return distinct values.
Using a different function than the default 'os.getpid' is at your own risk.
r c sh e Zd ZdZdZd��fdd� Z� �fdd�Z� ���fdd �Z�fd
d �Z�fd d
�Z �fdd�Z
dS )z&MultiProcessValue.<locals>.MmapedValuezAA float protected by a mutex backed by a per-process mmaped file.T� c s@ ||||||f| _ � � | �� | �� ��| � W d Q R X d S )N)�_params�"_MmapedValue__check_for_pid_change�_MmapedValue__reset�append)r
r r r
r r �multiprocess_moder )�lock�valuesr r r 4 s
z/MultiProcessValue.<locals>.MmapedValue.__init__c s� | j \}}}}}}|dkr(|d | }n|}|� kr`tj�tjd d�|�d ��}t|�� |< � | | _t||||�| _ | j�
| j �| _ d S )NZgauge�_�prometheus_multiproc_dirz
{0}_{1}.dbr ) r �os�path�join�environ�formatr �_filer �_keyZ
read_valuer ) r
r r r
r r r# Z file_prefix�filename)�files�pidr r Z__reset; s
z.MultiProcessValue.<locals>.MmapedValue.__resetc sV �� }�d |krR|�d< x� � � D ] }|�� q$W � �� x�D ] }|�� qBW d S )Nr )r% �close�clearr! )r
Z
actual_pid�fr )r0 r1 �process_identifierr% r r Z__check_for_pid_changeK s
z=MultiProcessValue.<locals>.MmapedValue.__check_for_pid_changec s< � �. | � � | j|7 _| j�| j| j� W d Q R X d S )N)r r r- � write_valuer. )r
r )r$ r r r V s z*MultiProcessValue.<locals>.MmapedValue.incc s4 � �& | � � || _| j�| j| j� W d Q R X d S )N)r r r- r6 r. )r
r )r$ r r r \ s z*MultiProcessValue.<locals>.MmapedValue.setc s � � | � � | jS Q R X d S )N)r r )r
)r$ r r r b s z*MultiProcessValue.<locals>.MmapedValue.getN)r ) r r r r r r r! r r r r r )r0 r$ r1 r5 r% r r � MmapedValue/ s r7 )r �object)r5 r7 r )r0 r$ r1 r5 r% r �MultiProcessValue s
8r9 c C s dt jkrt� S tS d S )Nr' )r( r+ r9 r r r r r �get_value_classj s
r: )�
__future__r r( � threadingr Z mmap_dictr r r8 r �getpidr9 r: Z
ValueClassr r r r �<module> s K