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o ���`�$ � @ s: d Z ddlmZ ddlmZ ddlZddlZddlmZ ddl Z ddl m Z m Z ddlmZmZ ddlmZ dd lmZmZ dd lmZ dd lmZ dd lmZm Z d dl m Z m Z m Z m!Z! d dl"m#Z#m$Z$m%Z%m&Z&m'Z' g d�Z(G dd� de)�Z*G dd� de �Z+d dd�Z,G dd� d�Z-G d d � d e�Z.ed!d d ��Z/dS )"z+Synchronous IO wrappers with thread safety � )�Future)�contextmanagerN)� EVENT_READ)�Queue�Full)�Lock�Thread)�Optional)�Message� MessageType)�get_bus)� message_bus)� ProxyBase� unwrap_msg� )� unwrap_read� prep_socket�DBusConnectionBase�timeout_to_deadline)�MessageFilters� FilterHandle� ReplyMatcher� RouterClosed�check_replyable)�open_dbus_connection�open_dbus_router�DBusConnection� DBusRouter�Proxy�ReceiveStoppedc @ s e Zd ZdS )r N)�__name__� __module__� __qualname__� r# r# �6/usr/lib/python3/dist-packages/jeepney/io/threading.pyr " s r c sp e Zd Zddejf� fdd� Zddefdd�Zdd �d efd d �Zdd d�Zdd� Z dd� Z � fdd�Z � Z S )r F�sockc sF t � j||d� t�� \| _| _| j�| jt�| _ t � | _ t � | _ d S )N)� enable_fds) �super�__init__�os�pipe�_stop_r�_stop_w�selector�registerr �stop_keyr � send_lock�rcv_lock)�selfr% r& �� __class__r# r$ r( ' s zDBusConnection.__init__N�messagec C sj | � ||�\}}| j� |r| �||� n| j�|� W d � dS W d � dS 1 s.w Y dS )�.Serialise and send a :class:`~.Message` objectN)� _serialiser0 �_send_with_fdsr% �sendall)r2 r5 �serial�data�fdsr# r# r$ �send. s �"�zDBusConnection.send��timeout�returnc C sN t |�}| jj|p dd�std|� d���z | �|�W | j�� S | j�� w )a� Return the next available message from the connection If the data is ready, this will return immediately, even if timeout<=0. Otherwise, it will wait for up to timeout seconds, or indefinitely if timeout is None. If no message comes in time, it raises TimeoutError. If the connection is closed from another thread, this will raise ReceiveStopped. ���r> z Did not get receive lock in z seconds)r r1 �acquire� TimeoutError�_receive�release)r2 r? �deadliner# r# r$ �receive7 s zDBusConnection.receivec C s` | j �|�D ]'\}}|| jkr$| jr| �� S t| j�d��g f S || jkr-t d��qt �)Ni z(DBus receive stopped from another thread) r- �select� select_keyr& �_read_with_fdsr r% �recvr/ r rC )r2 r? �key�evr# r# r$ �_read_some_dataJ s �z DBusConnection._read_some_datac C s t �| jd� dS )z;Make any threads waiting for a message raise ReceiveStopped� aN)r) �writer, �r2 r# r# r$ � interruptW s zDBusConnection.interruptc C sF | j tf| jjdd�v r!t�| jd� | j tf| jjdd�v s dS dS )z�Allow calls to .receive() again after .interrupt() To avoid race conditions, you should typically wait for threads to respond (e.g. by joining them) between interrupting and resetting. r r> i N)r/ r r- rH r) �readr+ rQ r# r# r$ �reset_interrupt[ s �z DBusConnection.reset_interruptc s | � � t� �� dS )zClose the connectionN)rR r' �closerQ r3 r# r$ rU e s zDBusConnection.close)F�N) r r! r" �socketr( r r= rG rN rR rT rU � __classcell__r# r# r3 r$ r & s r �SESSIONF� �?c C sj t | �}t|||d�}t||�}t|��}tt|dd��� }|d |_W d � |S 1 s.w Y |S )aR Open a plain D-Bus connection D-Bus has an authentication step before sending or receiving messages. This takes < 1 ms in normal operation, but there is a timeout so that client code won't get stuck if the server doesn't reply. *auth_timeout* configures this timeout in seconds. :return: :class:`DBusConnection` r> � r N)r r r r r r �Hello� unique_name)�busr& � auth_timeout�bus_addrr% �conn�router� reply_bodyr# r# r$ r k s ��r c @ s� e Zd ZdZdefdd�Zedd� �Zdd�d d �Zdd �d e d e fdd�Z dd� Z dd� Z dd� Z ddd�dee fdd�Zd e fdd �Zd d � ZdS ) r aU A client D-Bus connection which can wait for replies. This runs a separate receiver thread and dispatches received messages. It's possible to wrap a :class:`DBusConnection` in a router temporarily. Using the connection directly while it is wrapped is not supported, but you can use it again after the router is closed. ra c C s4 || _ t� | _t� | _t| jdd�| _| j�� d S )NT)�target�daemon) ra r �_repliesr �_filtersr � _receiver� _rcv_thread�start)r2 ra r# r# r$ r( � s zDBusRouter.__init__c C s | j jS rV )ra r] rQ r# r# r$ r] � s zDBusRouter.unique_nameN�r: c C s | j j||d� dS )r6 rk N)ra r= )r2 r5 r: r# r# r$ r= � s zDBusRouter.sendr> �msgr@ c C sv t |� | j�� s td��t| jj�}| j�|t � ��}| jj ||d� |j |d�W d � S 1 s4w Y dS )z7Send a method call message, wait for and return a replyz This D-Bus router has stoppedrk r> N) r ri �is_aliver �nextra �outgoing_serialrf �catchr r= �result)r2 rl r? r: � reply_futr# r# r$ �send_and_get_reply� s $�z DBusRouter.send_and_get_replyc C s& | j �� | jjdd� | j �� dS )zRClose this router This does not close the underlying connection. r[ r> N)ra rR ri �joinrT rQ r# r# r$ rU � s zDBusRouter.closec C s | S rV r# rQ r# r# r$ � __enter__� s zDBusRouter.__enter__c C s | � � dS )NF)rU )r2 �exc_type�exc_val�exc_tbr# r# r$ �__exit__� s zDBusRouter.__exit__r )�queue�bufsizerz c C s t | j||p t|d��S )a} Create a filter for incoming messages Usage:: with router.filter(rule) as queue: matching_msg = queue.get() :param jeepney.MatchRule rule: Catch messages matching this rule :param queue.Queue queue: Matched messages will be added to this :param int bufsize: If no queue is passed in, create one with this size )�maxsize)r rg r )r2 �rulerz r{ r# r# r$ �filter� s zDBusRouter.filterc C sH | j �|�rd S | j�|�D ]}z|j�|� W q ty! Y qw d S rV )rf �dispatchrg �matchesrz � put_nowait� QueueFull)r2 rl r~ r# r# r$ � _dispatch� s ��zDBusRouter._dispatchc C sJ z z | j �� }| �|� q ty Y nw W | j�� d S | j�� w rV )ra rG r� r rf �drop_all)r2 rl r# r# r$ rh � s � �zDBusRouter._receiver)r r! r" �__doc__r r( �propertyr] r= r rs rU ru ry r r r~ r� rh r# r# r# r$ r � s r c s6 e Zd ZdZdd�� fdd� Zdd� Zdd � Z� ZS ) r az A blocking proxy for calling D-Bus methods via a :class:`DBusRouter`. You can call methods on the proxy object, such as ``bus_proxy.Hello()`` to make a method call over D-Bus and wait for a reply. It will either return a tuple of returned data, or raise :exc:`.DBusErrorResponse`. The methods available are defined by the message generator you wrap. You can set a time limit on a call by passing ``_timeout=`` in the method call, or set a default when creating the proxy. The ``_timeout`` argument is not passed to the message generator. All timeouts are in seconds, and :exc:`TimeoutErrror` is raised if it expires before a reply arrives. :param msggen: A message generator object :param ~threading.DBusRouter router: Router to send and receive messages :param float timeout: Default seconds to wait for a reply, or None for no limit Nr> c s t � �|� || _|| _d S rV )r' r( �_router�_timeout)r2 �msggenrb r? r3 r# r$ r( � s zProxy.__init__c C s4 | j d u rdnd| j � �}d| j� d| j� |� d�S )N� z , timeout=zProxy(z, �))r� �_msggenr� )r2 �extrar# r# r$ �__repr__� s zProxy.__repr__c s t �� �� �fdd��}|S )Nc sF |� d�j�}� | i |��}|jjtju sJ ��jj||d�}t|�S )Nr� r> ) �popr� �header� message_typer � method_callr� rs r )�args�kwargsr? rl �reply��make_msgr2 r# r$ �inner� s z!Proxy._method_call.<locals>.inner)� functools�wraps)r2 r� r� r# r� r$ � _method_call� s zProxy._method_call)r r! r" r� r( r� r� rX r# r# r3 r$ r � s r c c sr � t | |d��(}t|�� }|V W d � n1 sw Y W d � dS W d � dS 1 s2w Y dS )a� Open a D-Bus 'router' to send and receive messages. Use as a context manager:: with open_dbus_router() as router: ... On leaving the ``with`` block, the connection will be closed. :param str bus: 'SESSION' or 'SYSTEM' or a supported address. :param bool enable_fds: Whether to enable passing file descriptors. :return: :class:`DBusRouter` )r^ r& N)r r )r^ r& ra rb r# r# r$ r s � ��"�r )rY FrZ )rY F)0r� �concurrent.futuresr � contextlibr r� r) � selectorsr rW rz r r r� � threadingr r �typingr �jeepneyr r � jeepney.busr �jeepney.bus_messagesr �jeepney.wrappersr r �blockingr r r r �commonr r r r r �__all__� Exceptionr r r r r r r# r# r# r$ �<module> s0 EY&
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