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Edit File: failover.pyc
� � v_c @ sU d Z d d l Z d d d � � YZ d e f d � � YZ d e f d � � YZ d S( s/ Classes for handling failovers for server URLs.i����Nt baseFailOverMethodc B sJ e Z d Z d � Z d d � Z d � Z d d � Z d � Z d � Z RS( s_ A base class to provide a failover to switch to a new server if the current one fails. c C s | | _ d | _ d S( Ni ( t repot failures( t selfR ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt __init__ s c C s d S( s� Return a server URL based on this failover method, or None if there is a complete failure. This method should always be used to translate an index into a URL, as this object may change how indexes map. :param i: if given, this is the index of the server URL to return, instead of using the failures counter :return: the next server URL N( t None( R t i( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt get_serverurl" s c C s | j d | _ d S( sO Notify the failover method that the current server has failed. i N( R ( R ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt server_failed. s i c C s | | _ d S( su Reset the failures counter to the given index. :param i: the index to reset the failures counter to N( R ( R R ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt reset4 s c C s | j S( s{ Return the current number of failures, which is also the current index into the list of URLs that this object represents. :fun:`get_serverurl` should always be used to translate an index into a URL, as this object may change how indexes map. :return: the current number of failures, which is also the current index ( R ( R ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt get_index; s c C s t | j j � S( s� Return the total number of URLs available to cycle through in this object. :return: the total number of URLs available ( t lenR t urls( R ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR G s N( t __name__t __module__t __doc__R R R R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR s t priorityc B s e Z d Z d d � Z RS( s� A class to provide a failover to switch to a new server if the current one fails. This classes chooses the next server based on the first success in the list of servers. c C sH | d k r | j } n | } | t | j j � k r: d S| j j | S( s� Return the next successful server URL in the list, or None if there is a complete failure. This method should always be used to translate an index into a URL, as this object may change how indexes map. :param i: if given, this is the index of the server URL to return, instead of using the failures counter :return: the next server URL N( R R R R R ( R R t index( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR V s N( R R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR Q s t roundRobinc B s# e Z d Z d � Z d d � Z RS( sj A class to provide a failover to switch to a new server if the current one fails. When an object of this class is created, it selects a random place in the list of URLs to begin with, then each time :func:`get_serveurl` is called, the next URL in the list is returned, cycling back to the beginning of the list after the end is reached. c C s3 t j | | � t j � t j d d � | _ d S( Ni i% ( R R t randomt seedt randintt offset( R R ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR t s c C se | d k r | j } n | } | t | j j � k r: d S| | j t | j j � } | j j | S( s� Return the next successful server URL in the list, using the round robin scheme, or None if there is a complete failure. This method should always be used to translate an index into a URL, as this object may change how indexes map. :param i: if given, this is the index of the server URL to return, instead of using the failures counter :return: the next server URL N( R R R R R R ( R R R t rr( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR y s N( R R R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyR l s ( ( R R R R R ( ( ( s0 /usr/lib/python2.7/site-packages/yum/failover.pyt <module> s 7