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#-*- perl -*-
#
# Copyright (C) 2000-2001 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.
#
# $Id$
# $FML$
#
package Netlib::Utils;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $LogFunctionPointer);
use Carp;
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(
Log
_smtplog
$LogFunctionPointer
_error_why
error
error_reset
_set_status_code
_get_status_code
_set_target_map
_get_target_map
_set_map_status
_set_map_position
_get_map_status
_get_map_position
_rollback_map_position
_reset_mapinfo
);
sub Log
{
my ($buf) = @_;
# function pointer to logging function
my $fp = $LogFunctionPointer;
if ($fp) {
eval &$fp($buf);
print STDERR $@, "\n" if $@;
}
else {
print STDERR @_, "\n";
}
}
sub _smtplog
{
my ($self, $buf) = @_;
if (defined $buf) {
print $buf;
print "\n" if $buf !~ /\n$/o;
}
}
sub _error_why
{
my ($self, $mesg) = @_;
$self->{'_error_reason'} = $mesg;
}
sub error
{
my ($self, $args) = @_;
return $self->{'_error_reason'};
}
sub error_reset
{
my ($self, $args) = @_;
my $msg = $self->{'_error_reason'};
undef $self->{'_error_reason'} if defined $self->{'_error_reason'};
undef $self->{'_error_action'} if defined $self->{'_error_action'};
return $msg;
}
sub _set_status_code
{
my ($self, $value) = @_;
$self->{'_status_code'} = $value;
}
sub _get_status_code
{
my ($self) = @_;
$self->{'_status_code'};
}
############################################################
#####
##### utility functions to operate $recipient_maps
#####
sub _set_target_map
{
my ($self, $map) = @_;
$self->{ _mapinfo }->{ _curmap } = $map;
}
sub _get_target_map
{
my ($self) = @_;
$self->{ _mapinfo }->{ _curmap };
}
sub _set_map_status
{
my ($self, $map, $status) = @_;
$self->{ _mapinfo }->{ $map }->{prev_status} =
$self->{ _mapinfo }->{ $map }->{status} || 'not done';
$self->{ _mapinfo }->{ $map }->{status} = $status;
}
sub _set_map_position
{
my ($self, $map, $position) = @_;
$self->{ _mapinfo }->{ $map }->{prev_position} =
$self->{ _mapinfo }->{ $map }->{position} || 0;
$self->{ _mapinfo }->{ $map }->{position} = $position;
}
sub _get_map_status
{
my ($self, $map) = @_;
$self->{ _mapinfo }->{ $map }->{status};
}
sub _get_map_position
{
my ($self, $map) = @_;
$self->{ _mapinfo }->{ $map }->{position};
}
sub _rollback_map_position
{
my ($self) = @_;
my $map = $self->_get_target_map;
# count the number of rollback to avoid infinite loop
if ( $self->{ _map_rollback_info }->{ $map }->{ count } > 2 ) {
Log("Error: not rollback $map to avoid infinite loop");
return ;
}
else {
$self->{ _map_rollback_info }->{ $map }->{ count }++;
}
my $prev_pos = $self->{ _mapinfo }->{ $map }->{prev_position};
my $pos = $self->{ _mapinfo }->{ $map }->{position};
$self->_set_map_position($map, $prev_pos);
Log("Info: rollback $map from $pos to $prev_pos");
my $prev_status = $self->{ _mapinfo }->{ $map }->{prev_status};
my $status = $self->{ _mapinfo }->{ $map }->{status};
$self->_set_map_status($map, $prev_status);
Log("Info: rollback status of $map to '$prev_status'");
}
sub _reset_mapinfo
{
my ($self) = @_;
$self->_set_target_map('');
delete $self->{ _mapinfo };
delete $self->{ _map_rollback_info };
}
1;
1;
|
