diff options
| -rw-r--r-- | lib/Travel/Status/DE/IRIS.pm | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Travel/Status/DE/IRIS.pm b/lib/Travel/Status/DE/IRIS.pm index 4e3cad4..6cdf092 100644 --- a/lib/Travel/Status/DE/IRIS.pm +++ b/lib/Travel/Status/DE/IRIS.pm @@ -159,13 +159,15 @@ sub get_with_cache { sub get_station { my ( $self, %opt ) = @_; + my $iter_depth = 0; my @ret; my @queue = ( $opt{name} ); my @seen; - while (@queue) { + while ( @queue and $iter_depth < 12 ) { my $station = shift(@queue); push( @seen, $station ); + $iter_depth++; my ( $raw, $err ) = $self->get_with_cache( $self->{main_cache}, @@ -212,6 +214,11 @@ sub get_station { } } + if (@queue) { + cluck( "Reached $iter_depth iterations when tracking station IDs. " + . "This is probably a bug" ); + } + @ret = uniq_by { $_->{uic} } @ret; return @ret; |