make PC19 & 16 generation more efficient on receipt of PC92

diff --git a/perl/DXProtHandle.pm b/perl/DXProtHandle.pm
index 59c1351cd274666de7ee561961c6dc2335394f5c..9e5d249f33e9af00fed07ce032c3be65b4aafbab 100644 (file)
--- a/perl/DXProtHandle.pm
+++ b/perl/DXProtHandle.pm
@@ -1475,12 +1475,10 @@ sub handle_92
                $self->route_pc21($pcall, undef, $r) if $r->isa('Route::Node');
                $self->route_pc17($pcall, undef, $parent, $r) if $r->isa('Route::User');
        }
-       foreach my $r (@radd) {
-               next unless $r;
-
-               $self->route_pc19($pcall, undef, $r) if $r->isa('Route::Node');
-               $self->route_pc16($pcall, undef, $parent, $r) if $r->isa('Route::User');
-       }
+       my @pc19 = grep { $_ && $_->isa('Route::Node') } @radd;
+       my @pc16 = grep { $_ && $_->isa('Route::User') } @radd;
+       $self->route_pc19($pcall, undef, @pc19) if @pc19;
+       $self->route_pc16($pcall, undef, $parent, @pc16) if @pc16;
 }
 
 # if get here then rebroadcast the thing with its Hop count decremented (if