Tail::Stat::Plugin - Abstract plugin class
package Tail::Stat::Plugin::apache; use strict; use warnings qw(all); use base qw(Tail::Stat::Plugin); sub regex { qr/^(\d+)\s+(\d+)/ } sub process_data { my ($self,$lref,$pub,$win) = @_; $pub->{param1} += $lref->[0]; $win->{param2} += $lref->[1]; $win->{count}++; } sub process_window { my ($self,$pub,$prv,$wins) = @_; $pub->{last_param2} = sum ( map { $_->{param2} || 0 } @$wins ) || 0; }
Plugin instance constructor. Usually you don't need to override it's default behavior.
Accessor to main regular expression. Called once during initialization (from constructor).
Called once on zone creating. Usually you can assigns some default values in public statistics.
Parse single log line and returns array of successfully captured values. Method must returns true value in scalar context, otherwise message will be logged about unprocessed line.
Receives reference to array of captured values and modify public, private or current window statistics.
Called during closing current window. Common usage is calculate averages from complete windows and save results in public or private statistics.
Processing named timer. Receives timer name and zone statistics. Timer will be renewed unless handler returns false value.
Stringify accumulated statistics.
Optionally preprocess, and stringify accumulated statistics.
Returns default logging level for unparsed lines.
Oleg A. Mamontov, <oleg@mamontov.net>
<oleg@mamontov.net>
This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.
See http://dev.perl.org/licenses/ for more information.
To install Tail::Stat, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Tail::Stat
CPAN shell
perl -MCPAN -e shell install Tail::Stat
For more information on module installation, please visit the detailed CPAN module installation guide.