X-Git-Url: https://gerrit.fd.io/r/gitweb?p=govpp.git;a=blobdiff_plain;f=adapter%2Fstats_api.go;h=4b398f549d67d1384e11cc124719d27fb9562931;hp=d67434c8ece5367362ba15ac3a312c8e1bfcdec0;hb=4e16c7100cc7f8dddca051ff393460d7a1a77c98;hpb=809b69ea4a90455445c34bbad7d8e5fea5cf3462

diff --git a/adapter/stats_api.go b/adapter/stats_api.go
index d67434c..4b398f5 100644
--- a/adapter/stats_api.go
+++ b/adapter/stats_api.go
@@ -27,6 +27,7 @@ const (
 var (
 	ErrStatsDataBusy     = errors.New("stats data busy")
 	ErrStatsDirStale     = errors.New("stats dir stale")
+	ErrStatsDisconnected = errors.New("stats disconnected")
 	ErrStatsAccessFailed = errors.New("stats access failed")
 )
 
@@ -113,7 +114,7 @@ func (n Name) String() string {
 	return string(n)
 }
 
-// Data represents some type of stat which is usually defined by StatType.
+// Stat represents some type of stat which is usually defined by StatType.
 type Stat interface {
 	// IsZero returns true if all of its values equal to zero.
 	IsZero() bool
@@ -125,8 +126,8 @@ type Stat interface {
 // ScalarStat represents stat for ScalarIndex.
 type ScalarStat float64
 
-// ErrorStat represents stat for ErrorIndex.
-type ErrorStat Counter
+// ErrorStat represents stat for ErrorIndex. The array represents workers.
+type ErrorStat []Counter
 
 // SimpleCounterStat represents stat for SimpleCounterVector.
 // The outer array represents workers and the inner array represents interface/node/.. indexes.
@@ -153,7 +154,15 @@ func (s ScalarStat) IsZero() bool {
 	return s == 0
 }
 func (s ErrorStat) IsZero() bool {
-	return s == 0
+	if s == nil {
+		return true
+	}
+	for _, ss := range s {
+		if ss != 0 {
+			return false
+		}
+	}
+	return true
 }
 func (s SimpleCounterStat) IsZero() bool {
 	if s == nil {
@@ -205,7 +214,7 @@ func ReduceSimpleCounterStatIndex(s SimpleCounterStat, i int) uint64 {
 	return val
 }
 
-// ReduceSimpleCounterStatIndex returns reduced CombinedCounterStat s for index i.
+// ReduceCombinedCounterStatIndex returns reduced CombinedCounterStat s for index i.
 func ReduceCombinedCounterStatIndex(s CombinedCounterStat, i int) [2]uint64 {
 	var val [2]uint64
 	for _, w := range s {