/usr/share/perl5/Apache/Session/MySQL/NoLock.pm is in libapache-session-perl 1.93-2.
This file is owned by root:root, with mode 0o644.
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#
# Apache::Session::MySQL::NoLock
# Apache persistent user sessions in a MySQL database without locking
# Copyright(c) 2010 Tomas (t0m) Doran (bobtfish@bobtfish.net)
# Distribute under the Perl License
#
############################################################################
package Apache::Session::MySQL::NoLock;
use strict;
use vars qw(@ISA $VERSION);
$VERSION = '0.01';
@ISA = qw(Apache::Session);
use Apache::Session;
use Apache::Session::Lock::Null;
use Apache::Session::Store::MySQL;
use Apache::Session::Generate::MD5;
use Apache::Session::Serialize::Storable;
sub populate {
my $self = shift;
$self->{object_store} = new Apache::Session::Store::MySQL $self;
$self->{lock_manager} = new Apache::Session::Lock::Null $self;
$self->{generate} = \&Apache::Session::Generate::MD5::generate;
$self->{validate} = \&Apache::Session::Generate::MD5::validate;
$self->{serialize} = \&Apache::Session::Serialize::Storable::serialize;
$self->{unserialize} = \&Apache::Session::Serialize::Storable::unserialize;
return $self;
}
1;
=pod
=head1 NAME
Apache::Session::MySQL::NoLock - An implementation of Apache::Session::MySQL without locking
=head1 SYNOPSIS
use Apache::Session::MySQL::NoLock;
#if you want Apache::Session to open new DB handles:
tie %hash, 'Apache::Session::MySQL::NoLock', $id, {
DataSource => 'dbi:mysql:sessions',
UserName => $db_user,
Password => $db_pass,
};
#or, if your handles are already opened:
tie %hash, 'Apache::Session::MySQL::NoLock', $id, {
Handle => $dbh,
};
To configure the non-locking session store in RT (what I use this module for),
put the following into your C<RT_SiteConfig.pm> module:
Set($WebSessionClass , 'Apache::Session::MySQL::NoLock');
=head1 DESCRIPTION
This module is an implementation of Apache::Session. It uses the MySQL backing
store and the Null locking scheme. See the example, and the documentation for
Apache::Session::Store::MySQL for more details.
=head1 WARNING
This module explicitly B<DOES NOT DO ANY LOCKING>. This can cause your session
data to be overwritten or stale data to be read by subsequent requests.
This B<CAN CAUSE LARGE PROBLEMS IN YOUR APPLICATION>.
=head1 AUTHOR
This module was written by Tomas Doran <bobtfish@bobtfish.net>.
=head1 SEE ALSO
L<Apache::Session::MySQL>, L<Apache::Session::Flex>,
L<Apache::Session>
=cut
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