/usr/share/perl5/Nagios/Plugin/Range.pm is in libnagios-plugin-perl 0.36-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | package Nagios::Plugin::Range;
use 5.006;
use strict;
use warnings;
use Carp;
use base qw(Class::Accessor::Fast);
__PACKAGE__->mk_accessors(
qw(start end start_infinity end_infinity alert_on)
);
use Nagios::Plugin::Functions qw(:DEFAULT $value_re);
our ($VERSION) = $Nagios::Plugin::Functions::VERSION;
use overload
'eq' => sub { shift->_stringify },
'""' => sub { shift->_stringify };
# alert_on constants (undef == range not set)
use constant OUTSIDE => 0;
use constant INSIDE => 1;
sub _stringify {
my $self = shift;
return "" unless $self->is_set;
return (($self->alert_on) ? "@" : "") .
(($self->start_infinity == 1) ? "~:" : (($self->start == 0)?"":$self->start.":")) .
(($self->end_infinity == 1) ? "" : $self->end);
}
sub is_set {
my $self = shift;
(! defined $self->alert_on) ? 0 : 1;
}
sub _set_range_start {
my ($self, $value) = @_;
$self->start($value+0); # Force scalar into number
$self->start_infinity(0);
}
sub _set_range_end {
my ($self, $value) = @_;
$self->end($value+0); # Force scalar into number
$self->end_infinity(0);
}
# Returns a N::P::Range object if the string is a conforms to a Nagios Plugin range string, otherwise null
sub parse_range_string {
my ($class, $string) = @_;
my $valid = 0;
my $range = $class->new( start => 0, start_infinity => 0, end => 0, end_infinity => 1, alert_on => OUTSIDE);
$string =~ s/\s//g; # strip out any whitespace
# check for valid range definition
unless ( $string =~ /[\d~]/ && $string =~ m/^\@?($value_re|~)?(:($value_re)?)?$/ ) {
carp "invalid range definition '$string'";
return undef;
}
if ($string =~ s/^\@//) {
$range->alert_on(INSIDE);
}
if ($string =~ s/^~//) { # '~:x'
$range->start_infinity(1);
}
if ( $string =~ m/^($value_re)?:/ ) { # '10:'
my $start = $1;
$range->_set_range_start($start) if defined $start;
$range->end_infinity(1); # overridden below if there's an end specified
$string =~ s/^($value_re)?://;
$valid++;
}
if ($string =~ /^($value_re)$/) { # 'x:10' or '10'
$range->_set_range_end($string);
$valid++;
}
if ($valid && ($range->start_infinity == 1 || $range->end_infinity == 1 || $range->start <= $range->end)) {
return $range;
}
return undef;
}
# Returns 1 if an alert should be raised, otherwise 0
sub check_range {
my ($self, $value) = @_;
my $false = 0;
my $true = 1;
if ($self->alert_on == INSIDE) {
$false = 1;
$true = 0;
}
if ($self->end_infinity == 0 && $self->start_infinity == 0) {
if ($self->start <= $value && $value <= $self->end) {
return $false;
} else {
return $true;
}
} elsif ($self->start_infinity == 0 && $self->end_infinity == 1) {
if ( $value >= $self->start ) {
return $false;
} else {
return $true;
}
} elsif ($self->start_infinity == 1 && $self->end_infinity == 0) {
if ($value <= $self->end) {
return $false;
} else {
return $true;
}
} else {
return $false;
}
}
# Constructor - map args to hashref for SUPER
sub new
{
shift->SUPER::new({ @_ });
}
1;
__END__
=head1 NAME
Nagios::Plugin::Range - class for handling Nagios::Plugin range data.
=head1 SYNOPSIS
# NB: This is an internal Nagios::Plugin class.
# See Nagios::Plugin itself for public interfaces.
# Instantiate an empty range object
$r = Nagios::Plugin::Range->new;
# Instantiate by parsing a standard nagios range string
$r = Nagios::Plugin::Range->parse_range_string( $range_str );
# Returns true if the range is defined/non-empty
$r->is_set;
# Returns true if $value matches range, false otherwise
$r->check_range($value);
=head1 DESCRIPTION
Internal Nagios::Plugin class for handling common range data. See
Nagios::Plugin for public interfaces.
=head1 AUTHOR
This code is maintained by the Nagios Plugin Development Team: see
http://nagiosplug.sourceforge.net.
=head1 COPYRIGHT AND LICENSE
Copyright (C) 2006-2007 Nagios Plugin Development Team
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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