ó N_c@sUdZddlZdd d„ƒYZdefd„ƒYZdefd„ƒYZdS( s/Classes for handling failovers for server URLs.iÿÿÿÿNtbaseFailOverMethodcBsJeZdZd„Zdd„Zd„Zdd„Zd„Zd„Z RS( s_A base class to provide a failover to switch to a new server if the current one fails. cCs||_d|_dS(Ni(trepotfailures(tselfR((s0/usr/lib/python2.7/site-packages/yum/failover.pyt__init__s cCsdS(sReturn 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(tNone(Rti((s0/usr/lib/python2.7/site-packages/yum/failover.pyt get_serverurl"s cCs|jd|_dS(sONotify the failover method that the current server has failed. iN(R(R((s0/usr/lib/python2.7/site-packages/yum/failover.pyt server_failed.sicCs ||_dS(suReset the failures counter to the given index. :param i: the index to reset the failures counter to N(R(RR((s0/usr/lib/python2.7/site-packages/yum/failover.pytreset4scCs|jS(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 cCst|jjƒS(sReturn the total number of URLs available to cycle through in this object. :return: the total number of URLs available (tlenRturls(R((s0/usr/lib/python2.7/site-packages/yum/failover.pyR GsN( t__name__t __module__t__doc__RRRRR R R (((s0/usr/lib/python2.7/site-packages/yum/failover.pyRs    tprioritycBseZdZdd„ZRS(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. cCsH|dkr|j}n|}|t|jjƒkr:dS|jj|S(sReturn 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(RRR RR (RRtindex((s0/usr/lib/python2.7/site-packages/yum/failover.pyRVs  N(R RRRR(((s0/usr/lib/python2.7/site-packages/yum/failover.pyRQst roundRobincBs#eZdZd„Zdd„ZRS(sjA 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. cCs3tj||ƒtjƒtjddƒ|_dS(Nii%(RRtrandomtseedtrandinttoffset(RR((s0/usr/lib/python2.7/site-packages/yum/failover.pyRts cCse|dkr|j}n|}|t|jjƒkr:dS||jt|jjƒ}|jj|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(RRR RR R(RRRtrr((s0/usr/lib/python2.7/site-packages/yum/failover.pyRys  N(R RRRRR(((s0/usr/lib/python2.7/site-packages/yum/failover.pyRls ((RRRRR(((s0/usr/lib/python2.7/site-packages/yum/failover.pyts 7