Rough draft of low-level store mechanisam.

[perl-cwmp.git] / lib / CWMP / Store / DBMDeep.pm

diff --git a/lib/CWMP/Store/DBMDeep.pm b/lib/CWMP/Store/DBMDeep.pm
new file mode 100644 (file)
index 0000000..0c3c6d3
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+++ b/lib/CWMP/Store/DBMDeep.pm
@@ -0,0 +1,84 @@
+# Dobrica Pavlinusic, <dpavlin@rot13.org> 10/26/07 21:37:12 CEST
+package CWMP::Store::DBMDeep;
+
+use strict;
+use warnings;
+
+use DBM::Deep;
+use Data::Dump qw/dump/;
+
+=head1 NAME
+
+CWMP::Store::DBMDeep - use DBM::Deep as storage
+
+=head1 METHODS
+
+=head2 open
+
+=cut
+
+my $db;
+
+my $debug = 1;
+
+sub open {
+       my $self = shift;
+
+       warn "open ",dump( @_ );
+
+       my $path = 'state.db';
+
+       $db = DBM::Deep->new(
+               file => $path,
+               locking => 1,
+               autoflush => 1,
+       );
+
+}
+
+=head2 update_uid_state
+
+  $store->update_uid_state( $uid, $state );
+
+=cut
+
+sub update_uid_state {
+       my ( $self, $uid, $state ) = @_;
+
+       if ( my $o = $db->get( $uid ) ) {
+               warn "## update state of $uid\n" if $debug;
+               return $o->import( $state );
+       } else {
+               warn "## create new state for $uid\n" if $debug;
+               return $db->put( $uid => $state );
+       }
+}
+
+=head2 get_state
+
+  $store->get_state( $uid );
+
+=cut
+
+sub get_state {
+       my ( $self, $uid ) = @_;
+
+       if ( my $state = $db->get( $uid ) ) {
+               return $state->export;
+       } else {
+               return;
+       }
+}
+
+=head2 all_uids
+
+  my @uids = $store->all_uids;
+
+=cut
+
+sub all_uids {
+       my $self = shift;
+       return keys %$db;
+}
+
+1;