From 5d2a0736c8d0a1eb80b1e706bd5c41e9fe015406 Mon Sep 17 00:00:00 2001
From: fukachan <fukachan>
Date: Sun, 19 May 2002 09:44:00 +0000
Subject: add/enable a prototype of libexe/fml/error (mead)

---
 fml/lib/FML/Process/Error.pm | 224 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 224 insertions(+)
 create mode 100644 fml/lib/FML/Process/Error.pm

(limited to 'fml/lib/FML/Process/Error.pm')

diff --git a/fml/lib/FML/Process/Error.pm b/fml/lib/FML/Process/Error.pm
new file mode 100644
index 00000000..62afdff9
--- /dev/null
+++ b/fml/lib/FML/Process/Error.pm
@@ -0,0 +1,224 @@
+#-*- perl -*-
+#
+# Copyright (C) 2002 Ken'ichi Fukamachi
+#          All rights reserved.
+#
+# $FML: Error.pm,v 1.55 2002/05/19 04:57:46 fukachan Exp $
+#
+
+package FML::Process::Error;
+
+use vars qw($debug @ISA @EXPORT @EXPORT_OK);
+use strict;
+use Carp;
+use FML::Log qw(Log LogWarn LogError);
+use FML::Config;
+use FML::Process::Kernel;
+@ISA = qw(FML::Process::Kernel);
+
+
+=head1 NAME
+
+FML::Process::Error -- command dispacher.
+
+=head1 SYNOPSIS
+
+   use FML::Process::Error;
+   ...
+
+See L<FML::Process::Flow> for details of fml process flow.
+
+=head1 DESCRIPTION
+
+C<FML::Process::Error> is a command wrapper and top level
+dispatcher for commands. 
+
+=head1 METHODS
+
+=head2 C<new($args)>
+
+make fml process object, which inherits C<FML::Process::Kernel>.
+
+=cut
+
+
+# Descriptions: standard constructor.
+#    Arguments: OBJ($self) HASH_REF($args)
+# Side Effects: inherit FML::Process::Kernel
+# Return Value: OBJ
+sub new
+{
+    my ($self, $args) = @_;
+    my $type    = ref($self) || $self;
+    my $curproc = new FML::Process::Kernel $args;
+    return bless $curproc, $type;
+}
+
+
+=head2 C<prepare($args)>
+
+forward the request to SUPER CLASS.
+
+=cut
+
+# Descriptions: dummy
+#    Arguments: OBJ($self) HASH_REF($args)
+# Side Effects: none
+# Return Value: none
+sub prepare
+{
+    my ($self, $args) = @_;
+    my $config = $self->{ config };
+
+    my $eval = $config->get_hook( 'error_prepare_start_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+
+    $self->SUPER::prepare($args);
+
+    $eval = $config->get_hook( 'error_prepare_end_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+}
+
+
+=head2 C<verify_request($args)>
+
+verify the sender is a valid member or not.
+
+=cut
+
+
+# Descriptions: verify the sender of this process is an ML member.
+#    Arguments: OBJ($curproc) HASH_REF($args)
+# Side Effects: none
+# Return Value: 1 or 0
+sub verify_request
+{
+    my ($curproc, $args) = @_;
+    my $config = $curproc->{ config };
+
+    my $eval = $config->get_hook( 'error_verify_request_start_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+
+    $curproc->verify_sender_credential();
+
+    $eval = $config->get_hook( 'error_verify_request_end_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+}
+
+
+=head2 C<run($args)>
+
+dispatcher to run correspondig C<FML::Error::command> for
+C<command>. Standard style follows:
+
+    lock
+    execute FML::Error::command
+    unlock
+
+XXX Each command determines need of lock or not.
+
+=cut
+
+
+# Descriptions: call _evaluate_command_lines()
+#    Arguments: OBJ($curproc) HASH_REF($args)
+# Side Effects: none
+# Return Value: none
+sub run
+{
+    my ($curproc, $args) = @_;
+    my $msg = $curproc->{ incoming_message }->{ message };
+
+    eval q{
+	use Mail::Bounce;
+	my $bouncer = new Mail::Bounce;
+	$bouncer->analyze( $msg );
+    };
+    unles ($@) {
+	# show results
+	for my $a ( $bouncer->address_list ) {
+	    my $status = $bouncer->status( $a );
+	    my $reason = $bouncer->reason( $a );
+	    Log("bounced: $a");
+	    Log("bounced: reason=$reason");
+	    Log("bounced: status=$status");
+	}
+    }
+    else {
+	LogError($@);
+    }
+}
+
+
+=head2 help()
+
+show help.
+
+=cut
+
+
+# Descriptions: show help
+#    Arguments: none
+# Side Effects: none
+# Return Value: none
+sub help
+{
+print <<"_EOF_";
+
+Usage: $0 \$ml_home_prefix/\$ml_name [options]
+
+   For example, process command of elena ML
+   $0 /var/spool/ml/elena
+
+_EOF_
+}
+
+
+=head2 C<finish($args)>
+
+    $curproc->inform_reply_messages();
+
+=cut
+
+
+# Descriptions: finalize command process.
+#               reply messages, command results et. al.
+#    Arguments: OBJ($curproc) HASH_REF($args)
+# Side Effects: queue manipulation
+# Return Value: none
+sub finish
+{
+    my ($curproc, $args) = @_;
+    my $config = $curproc->{ config };
+
+    my $eval = $config->get_hook( 'error_finish_start_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+
+    $curproc->inform_reply_messages();
+    $curproc->queue_flush();
+
+    $eval = $config->get_hook( 'error_finish_end_hook' );
+    if ($eval) { eval qq{ $eval; }; LogWarn($@) if $@; }
+}
+
+
+=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::Process::Error appeared in fml5 mailing list driver package.
+See C<http://www.fml.org/> for more details.
+
+=cut
+
+
+1;
-- 
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