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#-*- perl -*-
#
# Copyright (C) 2001,2002,2003,2004,2005,2006 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: MessageID.pm,v 1.26 2006/04/18 11:14:06 fukachan Exp $
#
package FML::Header::MessageID;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD $global_counter);
use Carp;
=head1 NAME
FML::Header::MessageID - manipulate message-id.
=head1 SYNOPSIS
use FML::Header::MessageID;
my $xargs = { directory => $dir };
my $db = FML::Header::MessageID->new->db_open($xargs);
if (defined $db) {
# we can tind the $mid in the past message-id cache ?
$dup = $db->{ $mid };
Log( "message-id duplicated" ) if $dup;
# save the current id
$db->{ $mid } = 1;
}
=head1 DESCRIPTION
manipulate Message-Id database.
=head1 METHODS
=head2 new($args)
constructor.
=cut
# Descriptions: constructor.
# Arguments: OBJ($self) HASH_REF($args)
# Side Effects: none
# Return Value: OBJ
sub new
{
my ($self, $args) = @_;
my ($type) = ref($self) || $self;
my $me = {};
return bless $me, $type;
}
=head2 db_open($db_args)
open message-id database and return HASH_REF for the db access.
=head2 db_close()
close message-id database (dummy).
=cut
# Descriptions: open message-id database.
# Arguments: OBJ($self) HASH_REF($db_args)
# Side Effects: open database.
# Return Value: HASH_REF
sub db_open
{
my ($self, $db_args) = @_;
my $dir = $db_args->{ 'directory' } || '';
my $mode = 'temporal';
my $days = 14;
if ($dir) {
unless (-d $dir) {
# XXX-TODO: dir_mode is hard-coded ?
my $dir_mode = $self->{ _dir_mode } || 0700;
use File::Path;
mkpath( [ $dir ], 0, $dir_mode );
}
my %db = ();
use Tie::JournaledDir;
tie %db, 'Tie::JournaledDir', { dir => $dir };
$self->{ _db } = \%db;
return \%db;
}
return undef;
}
# Descriptions: close message-id database (dummy).
# Arguments: OBJ($self)
# Side Effects: none
# Return Value: none
sub db_close
{
}
=head2 get($key)
get value for the key $key in message-id database.
return '' if not found nor defined.
=head2 set($key, $value)
set value for the key $key in message-id database.
=cut
# Descriptions: get value for $key.
# Arguments: OBJ($self) STR($key)
# Side Effects: none
# Return Value: STR
sub get
{
my ($self, $key) = @_;
my $db = $self->{ _db };
if (defined $db) {
return( $db->{ $key } || '' );
}
else {
return '';
}
}
# Descriptions: set value for $key.
# Arguments: OBJ($self) STR($key) STR($value)
# Side Effects: none
# Return Value: STR
sub set
{
my ($self, $key, $value) = @_;
my $db = $self->{ _db };
if (defined $db) {
$db->{ $key } = $value || '';
return $value;
}
return undef;
}
=head2 gen_id($config)
generate a new message-id and return it.
=cut
# Descriptions: generate a new message-id used in reply message.
# Arguments: OBJ($self) OBJ($config)
# Side Effects: counter increment
# Return Value: STR
sub gen_id
{
my ($self, $config) = @_;
my $post_addr = $config->{ article_post_address };
my $maintainer = $config->{ maintainer };
my $addr = $post_addr || $maintainer;
$global_counter++;
return sprintf("<%d.%d.%s.%s>", time, $$, $global_counter, $addr);
}
=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) 2001,2002,2003,2004,2005,2006 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::Header::MessageID first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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