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package Zonemaster::Engine::Nameserver::Cache;
use v5.16.0;
use warnings;
use version; our $VERSION = version->declare("v1.0.4");
use Class::Accessor "antlers";
our %object_cache;
has 'data' => ( is => 'ro' );
has 'address' => ( is => 'ro' );
sub get_cache_type {
my ( $class, $profile ) = @_;
my $cache_type = 'LocalCache';
my %cache_config = %{ $profile->get( 'cache' ) };
if ( exists $cache_config{'redis'} ) {
$cache_type = 'RedisCache';
}
return $cache_type;
}
sub get_cache_class {
my ( $class, $cache_type ) = @_;
my $cache_class = "Zonemaster::Engine::Nameserver::Cache::$cache_type";
require ( "$cache_class.pm" =~ s{::}{/}gr );
$cache_class->import();
return $cache_class;
}
sub empty_cache {
%object_cache = ();
return;
}
1;
=head1 NAME
Zonemaster::Engine::Nameserver::Cache - shared caches for nameserver objects
=head1 SYNOPSIS
This class should not be used directly.
=head1 ATTRIBUTES
=over
=item address
A L<Net::IP::XS> object holding the nameserver's address.
=item data
A reference to a hash holding the cache of sent queries. Not meant for external use.
=back
=head1 CLASS METHODS
=over
=item get_cache_type()
my $cache_type = get_cache_type( Zonemaster::Engine::Profile->effective );
Get the cache type value from the profile, i.e. the name of the cache module to use.
Takes a L<Zonemaster::Engine::Profile> object.
Returns a string.
=item get_cache_class()
my $cache_class = get_cache_class( 'LocalCache' );
Get the cache adapter class for the given database type.
Takes a string (cache database type).
Returns a string, or throws an exception if the cache adapter class cannot be loaded.
=item empty_cache()
Clear the cache.
=back
=cut
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