use latest big cty.dat

[spider.git] / perl / DXUser.pm

diff --git a/perl/DXUser.pm b/perl/DXUser.pm
index c273970bf542df3a8c0589124486239e537eee05..d7a433261acef9a182b4556a5018ded24dc34c39 100644 (file)
--- a/perl/DXUser.pm
+++ b/perl/DXUser.pm
@@ -368,32 +368,37 @@ sub get
        
        # is it in the LRU cache?
        my $ref = $lru->get($call);
-       return $ref if $ref && ref $ref eq 'DXUser';
+       return $ref if $ref && UNIVERSAL::isa($ref, 'DXUser');
        
        # search for it
        if ($v4) {
                if ($data = _select($call)) {
-                       $ref = bless decode_json($data), __PACKAGE__;
-                       $lru->put($call, $ref);
-                       return $ref;
+                       $ref = bless decode_json($data), 'DXUser';
+                       unless ($ref) {
+                               dbg("DXUser::get: no reference returned from decode of $call $!");
+                               return undef;
+                       }
                }
        } else {
            unless ($dbm->get($call, $data)) {
                        $ref = decode($data);
-                       if ($ref) {
-                               if (ref $ref ne 'DXUser') {
-                                       dbg("DXUser::get: got strange answer from decode ". ref $ref. " ignoring");
-                                       return undef;
-                               }
-                       } else {
-                               dbg("DXUser::get: no reference returned from decode $!");
+                       unless ($ref) {
+                               dbg("DXUser::get: no reference returned from decode of $call $!");
                                return undef;
                        }
-                       $lru->put($call, $ref);
-                       return $ref;
                }
        }
        
+       if ($ref) {
+               if (!UNIVERSAL::isa($ref, 'DXUser')) {
+                       dbg("DXUser::get: got strange answer from decode of $call". ref $ref. " ignoring");
+                       return undef;
+               }
+
+               # we have a reference and it *is* a DXUser
+               $lru->put($call, $ref);
+               return $ref;
+       }
        return undef;
 }
 
@@ -412,9 +417,9 @@ sub get_current
        my $dxchan = DXChannel::get($call);
        if ($dxchan) {
                my $ref = $dxchan->user;
-               return $ref if ref $ref eq 'DXUser';
+               return $ref if $ref && UNIVERSAL::isa($ref, 'DXUser');
 
-               dbg("DXUser::get_current: got invalid user ref from dxchan $dxchan->{call} ". ref $ref. " ignoring");
+               dbg("DXUser::get_current: got invalid user ref for $call from dxchan $dxchan->{call} ". ref $ref. " ignoring");
        }
        return get($call);
 }