o
    );c                     @   sZ   d dl Z d dlmZ d dlZddlmZmZ G dd dZe jfddZ	d	d
 Z
e
 ZdS )    NLock   )mmap_key
MmapedDictc                   @   sD   e Zd ZdZdZdd Zdd Zdd Zd	d
 Zdd Z	dd Z
dS )
MutexValuezA float protected by a mutex.Fc                 K   s   d| _ d | _t | _d S )Ng        )_value	_exemplarr   _lock)selftypmetric_namename
labelnameslabelvalueskwargs r   c/Users/cmarchbanks/go/src/github.com/prometheus/client_python/build/lib/prometheus_client/values.py__init__   s   zMutexValue.__init__c                 C   s:   | j  |  j|7  _W d    d S 1 sw   Y  d S Nr
   r   r   amountr   r   r   inc   s   "zMutexValue.incc                 C   2   | j  || _W d    d S 1 sw   Y  d S r   r   r   valuer   r   r   set      "zMutexValue.setc                 C   r   r   r
   r	   r   exemplarr   r   r   set_exemplar   r   zMutexValue.set_exemplarc                 C   0   | j  | jW  d    S 1 sw   Y  d S r   r   r   r   r   r   get      $zMutexValue.getc                 C   r#   r   r   r$   r   r   r   get_exemplar"   r&   zMutexValue.get_exemplarN)__name__
__module____qualname____doc___multiprocessr   r   r   r"   r%   r'   r   r   r   r   r      s    r   c                    s6   i  g d it  G  fddd}|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                       sx   e Zd ZdZdZdfdd	Z fddZ fdd	Zfd
dZfddZ	dd Z
fddZdd ZdS )z&MultiProcessValue.<locals>.MmapedValuezAA float protected by a mutex backed by a per-process mmaped file.T c                    s   ||||||f| _ dtjv r!dtjvr!tjd tjd< tdt   |   |   |  W d    d S 1 s<w   Y  d S )Nprometheus_multiproc_dirPROMETHEUS_MULTIPROC_DIRzpprometheus_multiproc_dir variable has been deprecated in favor of the upper case naming PROMETHEUS_MULTIPROC_DIR)	_paramsosenvironwarningswarnDeprecationWarning"_MmapedValue__check_for_pid_change_MmapedValue__resetappend)r   r   r   r   r   r   multiprocess_moder   )lockvaluesr   r   r   <   s   "z/MultiProcessValue.<locals>.MmapedValue.__init__c           	         s   | j \}}}}}}|dkr|d | }n|}| vr1tjtjdd|d }t| |<  | | _t	||||| _
| j| j
| _d S )Ngauge_r/   z{}_{}.dbr   )r0   r1   pathjoinr2   r%   formatr   _filer   _keyZ
read_valuer   )	r   r   r   r   r   r   r9   Zfile_prefixfilename)filespidr   r   Z__resetG   s   

z.MultiProcessValue.<locals>.MmapedValue.__resetc                    sR    }d |kr%|d<    D ]}|  q   D ]}|  qd S d S )Nr   )r;   closeclearr7   )r   Z
actual_pidfr   )rD   rE   process_identifierr;   r   r   Z__check_for_pid_changeW   s   

z=MultiProcessValue.<locals>.MmapedValue.__check_for_pid_changec                    sR     |    |  j|7  _| j| j| j W d    d S 1 s"w   Y  d S r   r6   r   rA   Zwrite_valuerB   r   r:   r   r   r   b   s
   "z*MultiProcessValue.<locals>.MmapedValue.incc                    sJ     |    || _| j| j| j W d    d S 1 sw   Y  d S r   rJ   r   rK   r   r   r   h   s
   "z*MultiProcessValue.<locals>.MmapedValue.setc                 S      d S r   r   r    r   r   r   r"   n      z3MultiProcessValue.<locals>.MmapedValue.set_exemplarc                    s6     |    | jW  d    S 1 sw   Y  d S r   )r6   r   r$   rK   r   r   r%   r   s   $z*MultiProcessValue.<locals>.MmapedValue.getc                 S   rL   r   r   r$   r   r   r   r'   w   rM   z3MultiProcessValue.<locals>.MmapedValue.get_exemplarN)r-   )r(   r)   r*   r+   r,   r   r7   r6   r   r   r"   r%   r'   r   rD   r:   rE   rI   r;   r   r   MmapedValue7   s    rO   r   )rI   rO   r   rN   r   MultiProcessValue'   s   
DrP   c                   C   s   dt jv s
dt jv rt S tS )Nr.   r/   )r1   r2   rP   r   r   r   r   r   get_value_class~   s   rQ   )r1   	threadingr   r3   Z	mmap_dictr   r   r   getpidrP   rQ   
ValueClassr   r   r   r   <module>   s    W
