Bias quality to avoid exposure of transient errors

diff --git a/transports.c b/transports.c
index 8b7275f2b5aa7d81c74e1432bb9d4543e774acd3..19da2cd3e96f9470b539a886641a4a47f4addce6 100644 (file)
--- a/transports.c
+++ b/transports.c
@@ -248,11 +248,14 @@ transport_get_prio(th_transport_t *t)
  *
  * But for sorting, we want low numbers first
  *
+ * Also, we bias and trim with an offset of two to avoid counting any
+ * transient errors.
  */
+
 static int
 transport_get_quality(th_transport_t *t)
 {
-  return t->tht_quality_index ? -(t->tht_quality_index(t)) : 0;
+  return t->tht_quality_index ? -MIN(t->tht_quality_index(t) + 2, 0) : 0;
 }