CWMP/Store/YAML.pm

# Dobrica Pavlinusic, <dpavlin@rot13.org> 10/26/07 21:37:12 CEST
package CWMP::Store::YAML;

use strict;
use warnings;

use Data::Dump qw/dump/;
use YAML qw/LoadFile DumpFile/;
use Hash::Merge qw/merge/;

=head1 NAME

CWMP::Store::YAML - use YAML as storage

=head1 METHODS

=head2 open

=cut

my $dir = 'yaml';

my $debug = 1;

sub open {
        my $self = shift;

        warn "open ",dump( @_ );

        if ( ! -e $dir ) {
                mkdir $dir || die "can't create $dir: $!";
                warn "created $dir directory\n";
        }

}

=head2 update_uid_state

  $store->update_uid_state( $uid, $state );

=cut

sub update_uid_state {
        my ( $self, $uid, $state ) = @_;

        my $file = "$dir/$uid.yml";

        my $old_state = $self->get_state( $uid );

        my $combined = merge( $state, $old_state );

#       warn "## ",dump( $old_state, $state, $combined );

        DumpFile( $file, $combined ) || die "can't write $file: $!";

}

=head2 get_state

  $store->get_state( $uid );

=cut

sub get_state {
        my ( $self, $uid ) = @_;

        my $file = "$dir/$uid.yml";

        if ( -e $file ) {
                return LoadFile( $file );
        }

        return;
}

=head2 all_uids

  my @uids = $store->all_uids;

=cut

sub all_uids {
        my $self = shift;

        opendir(my $d, $dir) || die "can't opendir $dir: $!";
        my @uids = grep { /\.yml$/ && -f "$dir/$_" } readdir($d);
        closedir $d;

        return map { my $l = $_; $l =~ s/\.yml$//; $l } @uids;
}

1;
1	dpavlin	152	# Dobrica Pavlinusic, <dpavlin@rot13.org> 10/26/07 21:37:12 CEST
2			package CWMP::Store::YAML;
3
4			use strict;
5			use warnings;
6
7			use Data::Dump qw/dump/;
8			use YAML qw/LoadFile DumpFile/;
9	dpavlin	155	use Hash::Merge qw/merge/;
10	dpavlin	152
11			=head1 NAME
12
13			CWMP::Store::YAML - use YAML as storage
14
15			=head1 METHODS
16
17			=head2 open
18
19			=cut
20
21			my $dir = 'yaml';
22
23			my $debug = 1;
24
25			sub open {
26			my $self = shift;
27
28			warn "open ",dump( @_ );
29
30			if ( ! -e $dir ) {
31			mkdir $dir \|\| die "can't create $dir: $!";
32			warn "created $dir directory\n";
33			}
34
35			}
36
37			=head2 update_uid_state
38
39			$store->update_uid_state( $uid, $state );
40
41			=cut
42
43			sub update_uid_state {
44			my ( $self, $uid, $state ) = @_;
45
46			my $file = "$dir/$uid.yml";
47
48	dpavlin	155	my $old_state = $self->get_state( $uid );
49	dpavlin	152
50	dpavlin	155	my $combined = merge( $state, $old_state );
51
52			# warn "## ",dump( $old_state, $state, $combined );
53
54			DumpFile( $file, $combined ) \|\| die "can't write $file: $!";
55
56	dpavlin	152	}
57
58			=head2 get_state
59
60			$store->get_state( $uid );
61
62			=cut
63
64			sub get_state {
65			my ( $self, $uid ) = @_;
66
67			my $file = "$dir/$uid.yml";
68
69			if ( -e $file ) {
70			return LoadFile( $file );
71			}
72
73			return;
74			}
75
76			=head2 all_uids
77
78			my @uids = $store->all_uids;
79
80			=cut
81
82			sub all_uids {
83			my $self = shift;
84
85			opendir(my $d, $dir) \|\| die "can't opendir $dir: $!";
86			my @uids = grep { /\.yml$/ && -f "$dir/$_" } readdir($d);
87			closedir $d;
88
89	dpavlin	153	return map { my $l = $_; $l =~ s/\.yml$//; $l } @uids;
90	dpavlin	152	}
91
92			1;