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|
#-*- perl -*-
#
# 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.
#
# $FML: Analyze.pm,v 1.6 2002/09/22 14:56:49 fukachan Exp $
#
package FML::Error::Analyze;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use FML::Log qw(Log LogWarn LogError);
my $debug = 1;
=head1 NAME
FML::Error::Analyze - analyzer routine for error cache
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=head2 C<new()>
=cut
# Descriptions: standard constructor
# Arguments: OBJ($self) HASH_REF($curproc)
# Side Effects: none
# Return Value: OBJ
sub new
{
my ($self, $curproc) = @_;
my ($type) = ref($self) || $self;
my $me = { _curproc => $curproc };
return bless $me, $type;
}
# *** model specific analyzer ***
# $data = {
# address => [
# error_string_1,
# error_string_2, ...
# ]
# };
#
sub simple_count
{
my ($self, $curproc, $data) = @_;
my ($addr, $bufarray, $count);
my @removelist = ();
my $summary = {};
my $config = $curproc->config();
my $limit = $config->{ error_analyzer_simple_count_limit } || 5;
while (($addr, $bufarray) = each %$data) {
$count = 0;
if (defined $bufarray) {
for my $buf (@$bufarray) {
if ($buf =~ /status=5/i) {
$count++;
$summary->{ $addr } = $count;
}
}
}
if ($count > $limit) {
push(@removelist, $addr);
}
}
# debug info
if ($debug) {
Log("analyze summary");
my ($k, $v);
while (($k, $v) = each %$summary) {
Log("summary: $k = $v points");
}
}
return \@removelist;
}
sub error_continuity
{
my ($self, $curproc, $data) = @_;
my ($addr, $bufarray, $count, $i);
my ($time, $status, $reason);
my @removelist = ();
my $summary = {};
my $config = $curproc->config();
my $limit = $config->{ error_analyzer_simple_count_limit } || 14;
while (($addr, $bufarray) = each %$data) {
$count = 0;
if (defined $bufarray) {
for my $buf (@$bufarray) {
($time, $status, $reason) = split(/\s+/, $buf);
if ($buf =~ /status=5/i) {
unless (defined $summary->{ $addr }) {
$summary->{ $addr } = [ 0 ];
}
# count up the folloging distribution function.
# *
# ***
# center of distribution function
$i = int( (time - $time ) / (24*3600) );
$summary->{ $addr }->[ $i ] += 2;
# +delta
$i = int( (time - $time + 12*3600) / (24*3600) );
$summary->{ $addr }->[ $i ] += 1;
# -delta
$i = int( (time - $time - 12*3600) / (24*3600) );
$summary->{ $addr }->[ $i ] += 1 if $i >= 0;
}
}
}
}
# debug info
{
my ($addr, $ra, $sum);
while (($addr, $ra) = each %$summary) {
$sum = 0;
for my $v (@$ra) {
$sum += 1 if $v >= 2;
}
Log("summary: $addr sum=$sum (@$ra)");
push(@removelist, $addr) if $sum >= $limit;
}
}
return \@removelist;
}
=head1 CODING STYLE
See C<http://www.fml.org/software/FNF/> on fml coding style guide.
=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) 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::Error::Analyze first appeared in fml8 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
|
