$self->SUPER::check;
}
+sub _check_duplicate {
+ my $self = shift;
+
+ return '' unless $conf->exists('global_unique-svc_hardware');
+
+ $self->lock_table;
+
+ if ( $self->hw_addr ) {
+ my @dup_mac;
+ @dup_mac = $self->find_duplicates('global', 'hw_addr');
+ if ( @dup_mac ) {
+ return "MAC address in use (svcnum ".$dup_mac[0]->svcnum.")";
+ }
+ }
+
+ if ( $self->ip_addr ) {
+ my @dup_ip;
+ @dup_ip = $self->find_duplicates('global', 'ip_addr');
+ if ( @dup_ip ) {
+ return "IP address in use (svcnum ".$dup_ip[0]->svcnum.")";
+ }
+ }
+
+ if ( $self->serialnum ) {
+ my @dup_serial;
+ @dup_serial = $self->find_duplicates('global', 'typenum', 'serialnum');
+ if ( @dup_serial ) {
+ return "Serial number in use (svcnum ".$dup_serial[0]->svcnum.")";
+ }
+ }
+
+ '';
+}
+
=item hardware_type
Returns the L<FS::hardware_type> object associated with this installation.