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#-*- perl -*-
#
# Copyright (C) 2002 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: Cache.pm,v 1.1.1.1 2002/08/07 03:51:11 fukachan Exp $
#
package FML::Error::Cache;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use FML::Log qw(Log LogWarn LogError);
=head1 NAME
FML::Error::Cache - manipulate error/bounce infomation
=head1 SYNOPSIS
use FML::Error::Cache;
my $error = new FML::Error::Cache $curproc;
$error->cache_on( $bounce_info );
where C<$bounce_info) follows:
$bounce_info = [ { address => 'rudo@nuinui.net',
status => '5.x.y',
reason => '... reason ... ',
}
];
=head1 DESCRIPTION
=head1 METHODS
=head2 C<new()>
=cut
# Descriptions: standard constructor
# Arguments: OBJ($self) HASH_REF($curproc)
# Side Effects: none
# Return Value: none
sub new
{
my ($self, $curproc) = @_;
my ($type) = ref($self) || $self;
my $me = { _curproc => $curproc };
return bless $me, $type;
}
# Descriptions: save bounce info into cache.
# Arguments: OBJ($self) HASH_REF($info)
# Side Effects: update cache
# Return Value: none
sub add
{
my ($self, $info) = @_;
$self->_open_cache();
my $db = $self->{ _db };
if (defined $db) {
my ($address, $reason, $status);
my $unixtime = time;
$address = $info->{ address };
$reason = $info->{ reason } || 'unknown';
$status = $info->{ status } || 'unknown';
if ($address) {
$status =~ s/\s+/_/g;
$reason =~ s/\s+/_/g;
$db->{ $address } = "$unixtime status=$status reason=$reason";
}
else {
LogWarn("Error::Cache: cache_on: invalid data");
}
$self->_close_cache();
}
else {
croak("add_to_cache: unknown data input type");
}
}
# Descriptions: open the cache dir for File::CacheDir
# Arguments: OBJ($self)
# Side Effects: none
# Return Value: OBJ
sub _open_cache
{
my ($self) = @_;
my $curproc = $self->{ _curproc };
my $config = $curproc->{ config };
my $type = $config->{ error_analyzer_cache_type };
my $dir = $config->{ error_analyzer_cache_dir };
my $mode = $config->{ error_analyzer_cache_mode } || 'temporal';
my $days = $config->{ error_analyzer_cache_size } || 14;
use Tie::JournaledDir;
# tie style
my %db = ();
tie %db, 'Tie::JournaledDir', { dir => $dir };
$self->{ _db } = \%db;
}
# Descriptions: dummy
# Arguments: OBJ($self)
# Side Effects: none
# Return Value: none
sub _close_cache
{
my ($self) = @_;
my $db = $self->{ _db };
if (defined $db) {
untie %$db;
}
}
sub get_addr_list
{
my ($self) = @_;
$self->_open_cache();
my $db = $self->{ _db };
my @addr = keys %$db;
$self->_close_cache();
return \@addr;
}
sub _new
{
my ($self) = @_;
my $curproc = $self->{ _curproc };
my $config = $curproc->{ config };
my $type = $config->{ error_analyzer_cache_type };
my $dir = $config->{ error_analyzer_cache_dir };
my $mode = $config->{ error_analyzer_cache_mode } || 'temporal';
my $days = $config->{ error_analyzer_cache_size } || 14;
use Tie::JournaledDir;
return new Tie::JournaledDir { dir => $dir };
}
sub get_all_values_as_hash_ref
{
my ($self) = @_;
my $obj = $self->_new();
$obj->get_all_values_as_hash_ref();
}
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2002 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
FML::Error::Cache appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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