add the ability to limit no of connections
[spider.git] / perl / Route.pm
index 3301099890e23214948639c8aa28c667bc52dbfd..443b3ee9e037a4e2a19c0de5299ef5b11de5441c 100644 (file)
@@ -289,22 +289,35 @@ sub get
 sub findroutes
 {
        my $call = shift;
+       my %cand;
        my @out;
 
-       dbg("ROUTE: findroutes: $call") if isdbg('findroutes');
-
-       # return immediately if we are directly connected
-       if (my $dxchan = DXChannel::get($call)) {
-               return $dxchan;
-       }
+       dbg("ROUTE: findroutes $call") if isdbg('findroutes');
 
        my $nref = Route::get($call);
        return () unless $nref;
 
+       # we are directly connected, force "best possible" priority, but
+       # carry on in case user is connected on other nodes.
+       my $dxchan = DXChannel::get($call);
+       if ($dxchan) {
+               dbg("ROUTE: findroutes $call -> directly connected") if isdbg('findroutes');
+               $cand{$call} = 99;
+       }
+
        # obtain the dxchannels that have seen this thingy
        my @parent = $nref->isa('Route::User') ? @{$nref->{parent}} : $call;
-       my %cand;
        foreach my $p (@parent) {
+               next if $p eq $main::mycall; # this is dealt with above
+
+               # deal with directly connected nodes, again "best priority"
+               $dxchan = DXChannel::get($p);
+               if ($dxchan) {
+                       dbg("ROUTE: findroutes $call -> connected direct via parent $p") if isdbg('findroutes');
+                       $cand{$p} = 99;
+                       next;
+               }
+
                my $r = Route::Node::get($p);
                if ($r) {
                        my %r = $r->PC92C_dxchan;
@@ -322,11 +335,11 @@ sub findroutes
        }
 
        # get a sorted list of dxchannels with the highest hop count first
-       my @nout = map {$_->[1]} sort {$b->[0] <=> $a->[0]} @out;
+       my @nout = sort {$b->[0] <=> $a->[0]} @out;
        if (isdbg('findroutes')) {
-               if (@out) {
-                       foreach (sort {$b->[0] <=> $a->[0]} @out) {
-                               dbg("ROUTE: findroute $call -> $_->[0] " . $_->[1]->call);
+               if (@nout) {
+                       for (@nout) {
+                               dbg("ROUTE: findroutes $call -> $_->[0] " . $_->[1]->call);
                        }
                }
        }
@@ -339,7 +352,7 @@ sub alldxchan
 {
        my $self = shift;
        my @dxchan = findroutes($self->{call});
-       return @dxchan;
+       return map {$_->[1]} @dxchan;
 }
 
 sub dxchan
@@ -362,7 +375,6 @@ sub delete_interface
 
 }
 
-
 #
 # track destruction
 #