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ð v_c @ sU d Z d d l Z d d d „ ƒ YZ d e f d „ ƒ YZ d e f d „ ƒ YZ d S(
s/ Classes for handling failovers for server URLs.iÿÿÿÿNt 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 ƒ 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 ƒ 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 | | ƒ t j ƒ t j d d ƒ | _ 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 ƒ k r: d S| | j t | j j ƒ } | 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 s 7