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Mail Archives: cygwin-apps/2001/12/04/06:46:15

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Message-ID: <07f101c17cb9$06992ba0$0200a8c0@lifelesswks>
From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: "Gary R. Van Sickle" <g DOT r DOT vansickle AT worldnet DOT att DOT net>,
<cygwin-apps AT sources DOT redhat DOT com>
References: <NCBBIHCHBLCMLBLOBONKMELKCHAA DOT g DOT r DOT vansickle AT worldnet DOT att DOT net>
Subject: Re: multiple mirror code && setup HEAD
Date: Tue, 4 Dec 2001 22:44:25 +1100
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----- Original Message -----
From: "Gary R. Van Sickle" <g DOT r DOT vansickle AT worldnet DOT att DOT net>

> Coolness.  One dime-a-dozen-notion that I've been having is an
automatic site
> selection ability that would ping 'em all and let God sort 'em out, or
rather
> qsort, and then fail over in order of increasing ping.

qsort is history :}. The list.h template uses an insertion sort.

I've already though about this:

What you should do is have all the sites pinged when parsing
mirrors.lst, and then store the resulting list and times for future
reference on disk.
Then in the site_list_type_constructor add a ping parameter, and pass it
the ping. It should prepend the stringified ping to the sort key, giving
the user a list of fastest->slowest sites, and meaning that all the
linear code will automagically hit the fastest site first.

Rob


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