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| 1 |  |  |  |  |  |  | ############################################################################# | 
| 2 |  |  |  |  |  |  | # | 
| 3 |  |  |  |  |  |  | # Apache::Session::Serialize::Storable | 
| 4 |  |  |  |  |  |  | # Serializes session objects using Storable | 
| 5 |  |  |  |  |  |  | # Copyright(c) 2000 Jeffrey William Baker (jwbaker@acm.org) | 
| 6 |  |  |  |  |  |  | # Distribute under the Perl License | 
| 7 |  |  |  |  |  |  | # | 
| 8 |  |  |  |  |  |  | ############################################################################ | 
| 9 |  |  |  |  |  |  |  | 
| 10 |  |  |  |  |  |  | package Apache::Session::Serialize::Storable; | 
| 11 |  |  |  |  |  |  |  | 
| 12 | 3 |  |  | 3 |  | 3737 | use strict; | 
|  | 3 |  |  |  |  | 7 |  | 
|  | 3 |  |  |  |  | 144 |  | 
| 13 | 3 |  |  | 3 |  | 17 | use vars qw($VERSION); | 
|  | 3 |  |  |  |  | 5 |  | 
|  | 3 |  |  |  |  | 218 |  | 
| 14 | 3 |  |  | 3 |  | 3893 | use Storable qw(nfreeze thaw); | 
|  | 3 |  |  |  |  | 19099 |  | 
|  | 3 |  |  |  |  | 613 |  | 
| 15 |  |  |  |  |  |  |  | 
| 16 |  |  |  |  |  |  | $VERSION = '1.01'; | 
| 17 |  |  |  |  |  |  |  | 
| 18 |  |  |  |  |  |  | sub serialize { | 
| 19 | 5 |  |  | 5 | 0 | 1064 | my $session = shift; | 
| 20 |  |  |  |  |  |  |  | 
| 21 | 5 |  |  |  |  | 21 | $session->{serialized} = nfreeze $session->{data}; | 
| 22 |  |  |  |  |  |  | } | 
| 23 |  |  |  |  |  |  |  | 
| 24 |  |  |  |  |  |  | sub unserialize { | 
| 25 | 2 |  |  | 2 | 0 | 99 | my $session = shift; | 
| 26 |  |  |  |  |  |  |  | 
| 27 | 2 |  |  |  |  | 32 | my $data = thaw $session->{serialized}; | 
| 28 | 2 | 50 |  |  |  | 107 | die "Session could not be unserialized" unless defined $data; | 
| 29 |  |  |  |  |  |  | #Storable can return undef or die for different errors | 
| 30 | 2 |  |  |  |  | 8 | $session->{data} = $data; | 
| 31 |  |  |  |  |  |  | } | 
| 32 |  |  |  |  |  |  |  | 
| 33 |  |  |  |  |  |  | 1; | 
| 34 |  |  |  |  |  |  |  | 
| 35 |  |  |  |  |  |  | =pod | 
| 36 |  |  |  |  |  |  |  | 
| 37 |  |  |  |  |  |  | =head1 NAME | 
| 38 |  |  |  |  |  |  |  | 
| 39 |  |  |  |  |  |  | Apache::Session::Serialize::Storable - Use Storable to zip up persistent data | 
| 40 |  |  |  |  |  |  |  | 
| 41 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 42 |  |  |  |  |  |  |  | 
| 43 |  |  |  |  |  |  | use Apache::Session::Serialize::Storable; | 
| 44 |  |  |  |  |  |  |  | 
| 45 |  |  |  |  |  |  | $zipped = Apache::Session::Serialize::Storable::serialize($ref); | 
| 46 |  |  |  |  |  |  | $ref = Apache::Session::Serialize::Storable::unserialize($zipped); | 
| 47 |  |  |  |  |  |  |  | 
| 48 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 49 |  |  |  |  |  |  |  | 
| 50 |  |  |  |  |  |  | This module fulfills the serialization interface of Apache::Session. | 
| 51 |  |  |  |  |  |  | It serializes the data in the session object by use of Storable's | 
| 52 |  |  |  |  |  |  | C<nfreeze()> and C<thaw()> functions.  The result is a binary object ready | 
| 53 |  |  |  |  |  |  | for storage. | 
| 54 |  |  |  |  |  |  |  | 
| 55 |  |  |  |  |  |  | =head1 AUTHOR | 
| 56 |  |  |  |  |  |  |  | 
| 57 |  |  |  |  |  |  | This module was written by Jeffrey William Baker <jwbaker@acm.org>. | 
| 58 |  |  |  |  |  |  |  | 
| 59 |  |  |  |  |  |  | =head1 SEE ALSO | 
| 60 |  |  |  |  |  |  |  | 
| 61 |  |  |  |  |  |  | L<Apache::Session::Serialize::Base64>, L<Apache::Session> |