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lib/Smokeping/sorters/Median.pm

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+package Smokeping::sorters::Median;
+
+=head1 NAME
+
+Smokeping::sorters::Median - Order the target charts by Median RTT
+
+=head1 OVERVIEW
+
+Find the charts with the highest Median round trip time.
+
+=head1 DESCRIPTION
+
+Call the sorter in the charts section of the config file
+
+ + charts
+  menu = Charts
+  title = The most interesting destinations
+
+ ++ median
+  sorter = Median(entries=>10)
+  title = Top Median round trip time
+  menu = Median RTT
+  format = Median round trip time %f seconds
+
+
+=head1 COPYRIGHT
+
+Copyright (c) 2007 by OETIKER+PARTNER AG. All rights reserved.
+
+=head1 LICENSE
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+=head1 AUTHOR
+
+Tobias Oetiker <tobi@oetiker.ch>
+
+=cut
+
+use strict;
+use base qw(Smokeping::sorters::base);
+use vars qw($VERSION);
+$VERSION = 1.0;
+use Carp;
+
+# how many values does the matcher need to do it's magic
+
+sub new(@) {
+    my $class = shift;
+    my $rules = {
+        entries => '\d+'
+    };
+    my $self = $class->SUPER::new( $rules, @_ );
+    return $self;
+}
+
+sub Desc ($) {
+    return "The Median sorter sorts the targets by Median RTT.";
+}    
+
+sub CalcValue($) {
+    my $self = shift;
+    my $info = shift;
+    # $info = { uptime => w,
+    #           loss   => x,
+    #           median => y,
+    #           alert  => z, (0/1)
+    #           pings  => [qw(a b c d)]
+    #
+    return $info->{median} ? $info->{median} : -1;
+}