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#!/usr/local/bin/perl -w
#-*- perl -*-
#
# Copyright (C) 2000,2001 Ken'ichi Fukamachi
# All rights reserved.
#
# $FML: Configure.pm,v 1.26 2001/10/14 00:58:41 fukachan Exp $
#
package FML::Process::Configure;
use vars qw($debug @ISA @EXPORT @EXPORT_OK);
use strict;
use Carp;
use FML::Process::Kernel;
use FML::Log qw(Log LogWarn LogError);
use FML::Config;
@ISA = qw(FML::Process::Kernel);
=head1 NAME
FML::Process::Configure -- fmlconf and makefml main functions
=head1 SYNOPSIS
use FML::Process::Configure;
$curproc = new FML::Process::Configure;
$curproc->run();
=head1 DESCRIPTION
FML::Process::Configure provides the main function for
C<fmlconf>
and
C<makefml>.
These programs,
C<fmlconf> and C<makefml>,
bootstrap by using these modules in this order.
libexec/loader -> FML::Process::Switch -> FML::Process::Configure
See C<FML::Process::Flow> for the flow detail.
=head1 METHODS
=head2 C<new($args)>
constructor.
It make a C<FML::Process::Kernel> object and return it.
=head2 C<prepare($args)>
dummy.
=cut
# Descriptions: constructor
# Arguments: $self $args
# Side Effects: none
# Return Value: FML::Process::Configure object
sub new
{
my ($self, $args) = @_;
my $type = ref($self) || $self;
my $curproc = new FML::Process::Kernel $args;
return bless $curproc, $type;
}
# Descriptions: dummy yet now
# Arguments: $self $args
# Side Effects: none
# Return Value: none
sub prepare { ; }
=head2 C<run($args)>
the top level dispatcher for C<fmlconf> and C<makefml>.
It kicks off internal function
C<_fmlconf($args)> for C<fmlconf>
and
C<_makefml($args)> for makefml.
NOTE:
C<$args> is passed from parrent libexec/loader.
See <FML::Process::Switch()> on C<$args> for more details.
=cut
# Descriptions: just a switch
# Arguments: $self $args
# Side Effects: none
# Return Value: none
sub run
{
my ($curproc, $args) = @_;
my $config = $curproc->{ config };
my $myname = $args->{ myname };
my $argv = $args->{ ARGV };
if ($myname eq 'fmlconf') {
$curproc->_fmlconf($args);
}
elsif ($myname eq 'makefml') {
$curproc->_makefml($args);
}
else {
my $command = $argv->[ 0 ] || croak("command not specified\n");
}
}
=head2 C<_fmlconf($args)> (INTERNAL USE)
run dump_variables of C<FML::Config>.
=cut
# Descriptions: show configurations variables in the sytle "key = value"
# Arguments: $self $args
# Side Effects: none
# Return Value: none
sub _fmlconf
{
my ($curproc, $args) = @_;
my $config = $curproc->{ config };
my $mode = $args->{ options }->{ n } ? 'difference_only' : 'all';
$config->dump_variables({ mode => $mode });
}
=head2 C<_makefml($args)> (INTERNAL USE)
switch of C<makefml> command.
It kicks off <FML::Command::$command> corrsponding with
C<@$argv> ( $argv = $args->{ ARGV } ).
C<Caution:>
C<$args> is passed from parrent libexec/loader.
We construct a new struct C<$command_args> here to pass parameters
to child objects.
C<FML::Command::$command> object takes them as arguments not pure
C<$args>. It is a little mess. Pay attention.
See <FML::Process::Switch()> on C<$args> for more details.
=cut
# Descriptions: makefml top level dispacher
# Arguments: $self $args
# Side Effects:
# Return Value: none
sub _makefml
{
my ($curproc, $args) = @_;
my $config = $curproc->{ config };
my $myname = $args->{ myname };
my $argv = $args->{ ARGV };
my ($method, $ml_name, @options) = @$argv;
# arguments to pass off to each method
my $command_args = {
command_mode => 'admin',
comname => $method,
command => "$method @options",
ml_name => $ml_name,
options => \@options,
argv => $argv,
args => $args,
};
# here we go
require FML::Command;
my $obj = new FML::Command;
if (defined $obj) {
# execute command ($comname method) under eval().
eval q{
$obj->$method($curproc, $command_args);
};
unless ($@) {
; # not show anything
}
else {
LogError("command $method fail");
if ($@ =~ /^(.*)\s+at\s+/) {
my $reason = $1;
Log($reason); # pick up reason
croak($reason);
}
}
}
}
# dummy to avoid the error ( undefined function )
sub AUTOLOAD
{
;
}
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2001 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::Configure appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
|
