Koha/C4/Cache/FastMemcached.pm

95 lines
4.3 KiB
Perl

package Koha::Cache::FastMemcached;
# Copyright 2009 Chris Cormack and The Koha Dev Team
#
# This file is part of Koha.
#
# Koha 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.
#
# Koha 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
# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
use strict;
use warnings;
use Carp;
use Cache::Memcached::Fast;
use IO::Compress::Gzip;
use IO::Uncompress::Gunzip;
use Storable;
use base qw(C4::Cache);
sub _cache_handle {
my $class = shift;
my $params = shift;
my @servers = split /,/, $params->{'cache_servers'};
return Cache::Memcached::Fast->new(
{
servers => \@servers,
namespace => $params->{'namespace'} || 'KOHA',
connect_timeout => $params->{'connect_timeout'} || 2,
io_timeout => $params->{'io_timeout'} || 2,
close_on_error => 1,
compress_threshold => 100_000,
compress_ratio => 0.9,
compress_methods =>
[ \&IO::Compress::Gzip::gzip, \&IO::Uncompress::Gunzip::gunzip ],
max_failures => 3,
failure_timeout => 2,
ketama_points => 150,
nowait => 1,
hash_namespace => 1,
serialize_methods => [ \&Storable::freeze, \&Storable::thaw ],
utf8 => 1,
}
);
}
sub set_in_cache {
my ( $self, $key, $value, $expiry ) = @_;
croak "No key" unless $key;
if ( defined $expiry ) {
return $self->cache->set( $key, $value, $expiry );
}
else {
return $self->cache->set( $key, $value );
}
}
sub get_from_cache {
my ( $self, $key ) = @_;
croak "No key" unless $key;
return $self->cache->get($key);
}
sub clear_from_cache {
my ( $self, $key ) = @_;
croak "No key" unless $key;
return $self->cache->delete($key);
}
sub flush_all {
my $self = shift;
return $self->cache->flush_all;
}
1;
__END__
=head1 NAME
C4::Cache::FastMemcached - memcached::fast subclass of C4::Cache
=cut