Fix undefined value errors when shaper is disabled

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 10 insertions, 8 deletions

diff --git a/qos.pl b/qos.pl
index c874159..a76ea97 100755
--- a/qos.pl
+++ b/qos.pl
@@ -300,16 +300,18 @@ sub print_output_table {
 				$output_buffer .= POSIX::strftime("%Y-%m-%d %H:%M:%S ", localtime);
 			} else {
 				my $class_id = $col;
-				if ($history_values->{$class_id}) {
-					my $total_time = reduce {$a + $b->{time_diff}} 0, @{$history_values->{$class_id}};
-					my $total_value = reduce {$a + $b->{value_diff}} 0, @{$history_values->{$class_id}};
-					my $speed = 0;
 
-					$speed = $total_value / $total_time if $total_time != 0;
-
-					$output_buffer .= sprintf "%14s (%s): %11s %s", $classes{$class_id}, $class_id, format_bytes($results->{$class_id}), format_rate_color($speed, $class_id);
-				} else {
+				if (defined($results->{$class_id})) {
 					$output_buffer .= sprintf "%14s (%s): %11s", $classes{$class_id}, $class_id, format_bytes($results->{$class_id});
+					if ($history_values->{$class_id}) {
+						my $total_time = reduce {$a + $b->{time_diff}} 0, @{$history_values->{$class_id}};
+						my $total_value = reduce {$a + $b->{value_diff}} 0, @{$history_values->{$class_id}};
+						my $speed = 0;
+
+						$speed = $total_value / $total_time if $total_time != 0;
+
+						$output_buffer .= sprintf " %s", format_rate_color($speed, $class_id);
+					}
 				}
 			}
 		}