simple YAML store plugin to ease debugging

git-svn-id: https://perl-cwmp.googlecode.com/svn/branches/store-pluggable@135 836a5e1a-633d-0410-964b-294494ad4392

diff --git a/lib/CWMP/Store/YAML.pm b/lib/CWMP/Store/YAML.pm
new file mode 100644 (file)
index 0000000..588060f
--- /dev/null
+++ b/lib/CWMP/Store/YAML.pm
@@ -0,0 +1,85 @@
+# 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/;
+
+=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";
+
+       DumpFile( $file, $state ) || 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 $d;
+
+       return map { s/\.yml$// } @uids;
+}
+
+1;