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#-*- perl -*-
#
# Copyright (C) 2001,2002,2003,2004,2005,2006 Ken'ichi Fukamachi
# All rights reserved.
#
# $FML: Alias.pm,v 1.24 2006/10/11 14:54:49 fukachan Exp $
#
package FML::Process::Alias;
use vars qw($debug @ISA @EXPORT @EXPORT_OK);
use strict;
use Carp;
use FML::Config;
use FML::Process::Kernel;
@ISA = qw(FML::Process::Kernel);
=head1 NAME
FML::Process::Alias -- fmlalias, which show all aliases.
=head1 SYNOPSIS
use FML::Process::Alias;
$curproc = new FML::Process::Alias;
$curproc->run();
=head1 DESCRIPTION
FML::Process::Alias provides the main function for C<fmlalias>.
C<fmladdr> command shows all aliases (accounts + aliases) but
C<fmlalias> command shows only aliases without accounts.
See C<FML::Process::Flow> for the flow detail.
=head1 METHODS
=head2 new($args)
constructor.
It make a C<FML::Process::Kernel> object and return it.
=head2 prepare($args)
load configuration files and fix @INC.
=head2 verify_request($args)
dummy.
=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 $curproc = new FML::Process::Kernel $args;
return bless $curproc, $type;
}
# Descriptions: load config files and fix @INC.
# Arguments: OBJ($curproc) HASH_REF($args)
# Side Effects: none
# Return Value: none
sub prepare
{
my ($curproc, $args) = @_;
my $config = $curproc->config();
my $eval = $config->get_hook( 'fmlalias_prepare_start_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
# $curproc->ml_variables_resolve();
$curproc->config_cf_files_load();
$curproc->env_fix_perl_include_path();
$eval = $config->get_hook( 'fmlalias_prepare_end_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
}
# Descriptions: dummy.
# Arguments: OBJ($curproc) HASH_REF($args)
# Side Effects: exit ASAP.
# longjmp() to help() if appropriate
# Return Value: none
sub verify_request
{
my ($curproc, $args) = @_;
my $argv = $curproc->command_line_argv();
my $len = $#$argv + 1;
my $config = $curproc->config();
my $eval = $config->get_hook( 'fmlalias_verify_request_start_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
if (0) {
print STDERR "Error: missing argument(s)\n";
$curproc->help();
exit(0);
}
$eval = $config->get_hook( 'fmlalias_verify_request_end_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
}
=head2 run($args)
the top level dispatcher for C<fmlalias>.
NOTE:
C<$args> is passed from parrent libexec/loader.
See <FML::Process::Switch()> on C<$args> for more details.
=cut
# Descriptions: just a switch, call _fmlalias().
# Arguments: OBJ($curproc) HASH_REF($args)
# Side Effects: none
# Return Value: none
sub run
{
my ($curproc, $args) = @_;
my $config = $curproc->config();
my $myname = $curproc->myname();
my $argv = $curproc->command_line_argv();
$curproc->_fmlalias();
}
=head2 finish($args)
dummy.
=cut
# Descriptions: dummy.
# Arguments: OBJ($curproc) HASH_REF($args)
# Side Effects: none
# Return Value: none
sub finish
{
my ($curproc, $args) = @_;
my $config = $curproc->config();
my $eval = $config->get_hook( 'fmlalias_finish_start_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
$eval = $config->get_hook( 'fmlalias_finish_end_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
}
=head2 help()
show help.
=cut
# Descriptions: show help.
# Arguments: none
# Side Effects: none
# Return Value: none
sub help
{
my $name = $0;
eval {
use File::Basename;
$name = basename($0);
};
print <<"_EOF_";
Usage: $name [options]
-n show fml specific aliases.
[BUGS]
support only fml8 + postfix case.
_EOF_
}
# Descriptions: fmlalias top level dispacher.
# Arguments: OBJ($curproc)
# Side Effects: load FML::Command::command module and execute it.
# Return Value: none
sub _fmlalias
{
my ($curproc) = @_;
my $config = $curproc->config();
my $eval = $config->get_hook( 'fmlalias_run_start_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
# show fmlonly aliases if -n option specified.
my $options = $curproc->command_line_options();
my $mode = $options->{ n } ? 'fmlonly' : 'all';
use FML::MTA::Control;
my $mta = new FML::MTA::Control;
my $aliases = $mta->get_aliases_as_hash_ref($curproc, {}, {
mta_type => 'postfix',
mode => $mode,
});
for my $k (sort keys %$aliases) {
printf "%-25s => %s\n", $k, $aliases->{ $k };
}
$eval = $config->get_hook( 'fmlalias_run_end_hook' );
if ($eval) { eval qq{ $eval; }; $curproc->logwarn($@) if $@; }
}
=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::Process::Alias first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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