temporary commit for findroutes

[spider.git] / perl / Route.pm

diff --git a/perl/Route.pm b/perl/Route.pm
index afce3a042d850200af3b9478d8e6b88cd8527403..1106892a167c8641147ac76fa02d9118a13057eb 100644 (file)
--- a/perl/Route.pm
+++ b/perl/Route.pm
@@ -285,6 +285,34 @@ sub get
        return Route::Node::get($call) || Route::User::get($call);
 }
 
+sub findroutes
+{
+       my $call = shift;
+       my $level = shift || 0;
+       my $seen = shift || {};
+       my @out;
+
+       dbg("findroutes: $call level: $level calls: " . join(',', @_)) if isdbg('routec');
+
+       # recursion detector
+       return () if $seen->{$call};
+       if (my $dxchan = DXChannel::get($call)) {
+               $seen->{$call}++;
+               push @out, [$level, $dxchan];
+               return @out;
+       }
+
+       # deal with more nodes
+       my $nref = Route::Node::get($call);
+       foreach my $ncall (@{$nref->{nodes}}) {
+               dbg("recursing from $call -> $ncall") if isdbg('routec');
+               my @rout = findroute($ncall, $level+1, $seen);
+               push @out, @rout;
+       }
+
+       return $level == 0 ? map {$_->[1]} sort {$a->[0] <=> $b->[0]} @out : @out;
+}
+
 # find all the possible dxchannels which this object might be on
 sub alldxchan
 {