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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: get.pm,v 1.27 2006/07/09 12:11:12 fukachan Exp $
#
package FML::Command::User::get;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use FML::Command::SendFile;
@ISA = qw(FML::Command::SendFile);
=head1 NAME
FML::Command::User::get - send back article(s).
=head1 SYNOPSIS
See C<FML::Command> for more details.
=head1 DESCRIPTION
send back article(s).
=head1 METHODS
=head2 new()
constructor.
=head2 need_lock()
need lock or not.
=head2 lock_channel()
return lock channel name.
=head2 verify_syntax($curproc, $command_context)
provide command specific syntax checker.
=head2 process($curproc, $command_context)
main command specific routine.
=cut
# Descriptions: constructor.
# Arguments: OBJ($self)
# Side Effects: none
# Return Value: OBJ
sub new
{
my ($self) = @_;
my ($type) = ref($self) || $self;
my $me = {};
return bless $me, $type;
}
# Descriptions: need lock or not.
# Arguments: none
# Side Effects: none
# Return Value: NUM( 1 or 0)
sub need_lock { 1;}
# Descriptions: lock channel.
# Arguments: none
# Side Effects: none
# Return Value: STR
sub lock_channel { return 'article_spool_modify';}
# Descriptions: check the limit specific to this command.
# Arguments: OBJ($self) OBJ($curproc) OBJ($command_context)
# Side Effects: none
# Return Value: NUM(1 or 0)
sub check_limit
{
my ($self, $curproc, $command_context) = @_;
my $config = $curproc->config();
my $pcb = $curproc->pcb();
# 1. check the number of article in one command.
my $total = $pcb->get('command', 'get_command_request_total') || 0;
my $nreq = $self->num_files_in_send_article_args($curproc,
$command_context);
my $request_total = $total + $nreq;
$pcb->set('command', 'get_command_request_total', $request_total);
# XXX-TODO: same limit value ?
my $limit = $config->{ get_command_request_limit } || 10;
my $comname = $command_context->get_cooked_command();
my $rm_args = { _arg_command => $comname, };
if ($request_total > $limit) {
$curproc->reply_message_nl('command.exceed_total_request_limit',
'total requests exceed limit',
$rm_args);
$curproc->logerror("get command limit: total=$request_total > $limit");
return $nreq;
}
elsif ($nreq > $limit) {
$curproc->reply_message_nl('command.exceed_request_limit',
'requests exceed limit',
$rm_args);
$curproc->logerror("get command limit: $nreq > $limit");
return $nreq;
}
else {
return 0;
}
}
# Descriptions: send articles (filename =~ /^\d+/$) by FML::Command::SendFile.
# This module is called after
# FML::Process::Command::_can_accpet_command() already checks the
# command syntax. $options is raw command as ARRAY_REF such as
# $options = [ 'get:3', 1, 100 ];
# send_article() called below can parse MH style argument.
# Arguments: OBJ($self) OBJ($curproc) OBJ($command_context)
# Side Effects: none
# Return Value: none
sub process
{
my ($self, $curproc, $command_context) = @_;
# call send_article() without checking here but
# Mail::Message::MH checks and expands the specified targets
# to HASH_ARRAY of numbers: [ \d+, \d+, ... ].
$self->send_article($curproc, $command_context);
}
=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::Command::User::get first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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