middleware/metrics: export actual size (#448)

The `*_size*` metrics now export the actual packet length, not the
advertised one (although that might be nice as well).

1 files changed, 2 insertions, 2 deletions

diff --git a/middleware/metrics/vars/report.go b/middleware/metrics/vars/report.go
index 996826599..0c9945440 100644
--- a/middleware/metrics/vars/report.go
+++ b/middleware/metrics/vars/report.go
@@ -10,7 +10,7 @@ import (
 
 // Report reports the metrics data associcated with request.
 func Report(req request.Request, zone, rcode string, size int, start time.Time) {
-	// Proto and Family
+	// Proto and Family.
 	net := req.Proto()
 	fam := "1"
 	if req.Family() == 2 {
@@ -33,7 +33,7 @@ func Report(req request.Request, zone, rcode string, size int, start time.Time)
 	}
 
 	ResponseSize.WithLabelValues(zone, net).Observe(float64(size))
-	RequestSize.WithLabelValues(zone, net).Observe(float64(req.Size()))
+	RequestSize.WithLabelValues(zone, net).Observe(float64(req.Len()))
 
 	ResponseRcode.WithLabelValues(zone, rcode).Inc()
 }