NAME

Krang::Schedule::Action::clean - Scheduler Action class which implements scheduled cleanup and maintenance functions

SYNOPSIS

Concrete Krang::Scheduler::Action class which deletes expired sessions, cleans out tmp directories, or mysql table maintenance.

DESCRIPTION

This class is used to do scheduled maintenance. It is instantiated in the scheduler depending on action type.

INTERFACE

use Krang::ClassLoader base => 'Schedule::Action'; sub execute { }

METHODS

• $schedule->execute()
  
Action method for class. Must be defined in Krang::Scheduler::Action classes. This method serves as the entry point method in Krang::Scheduler::Action class implementations. In this class it functions to do scheduled maintenance in krang which includes cleaning of tmp directory, removal of expired sessions and analyzing mysql tables, additional mysql maintenance functions would ideally go in this class. The type of maintenance function is determined in object_type.

• pkg('Schedule')->_clean_tmp()
  

 @deletions = pkg('Schedule')->_clean_tmp( max_age => $max_age_hrs )
 @deletions = pkg('Schedule')->_clean_tmp()

 Class method that will remove all files in $KRANG_ROOT/tmp older than
 $max_age_in_hours.  If no parameter is passed file and directories older than
 24 hours will be removed.  This method will croak if it
 is unable to delete a file or directory.  Returns a list of files and
 directories deleted.

• pkg('Schedule')->_expire_sessions()
  
@ids = pkg('Schedule')->_expire_sessions( max_age => $max_age_hrs )

@ids = pkg('Schedule')->_expire_sessions()

Class method that deletes sessions from the sessions table whose 'last_modified' field contains a value less than 'now() - INTERVAL $max_age_in_hours HOUR'. Returns a list of the session ids that have been expired.

If max_age is not supplied, defaults to 24 hours.

• $schedule->_analyze_db()
  
_analyze_db() - analyzes all database tables for maximum performance

• $schedule->_delete_files()
  
subroutine to be passed to File::Find::find to delete files before passing the remaining directory tree to rmtree.
• pkg('Schedule')->_expire_rate_limit_data()
  
Class method that deletes rate_limit data from the rate_limit_hits table whose 'timestamp' field contains a value less than time() + BadLoginWait

    pkg('Schedule')->_expire_rate_limit_data()

See Also

• Krang::Scheduler
  
• Krang::Scheduler::Action