From 2527ad29700b2489f7511156223ea0ef4c81c2a9 Mon Sep 17 00:00:00 2001
From: Radu Ioan Fericean <radu@fericean.ro>
Date: Fri, 1 Aug 2014 14:37:16 +0300
Subject: [PATCH] fix hang on empty metrics

---
 apier/cdrstatsv1.go     | 1 +
 engine/stats_metrics.go | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/apier/cdrstatsv1.go b/apier/cdrstatsv1.go
index 3a44d9fbb..928480b4e 100644
--- a/apier/cdrstatsv1.go
+++ b/apier/cdrstatsv1.go
@@ -20,6 +20,7 @@ package apier
 
 import (
 	"fmt"
+
 	"github.com/cgrates/cgrates/engine"
 	"github.com/cgrates/cgrates/utils"
 )
diff --git a/engine/stats_metrics.go b/engine/stats_metrics.go
index cf6a0dc86..c05ea1f86 100644
--- a/engine/stats_metrics.go
+++ b/engine/stats_metrics.go
@@ -64,6 +64,9 @@ func (asr *ASRMetric) RemoveCdr(cdr *QCdr) {
 }
 
 func (asr *ASRMetric) GetValue() float64 {
+	if asr.total == 0 {
+		return 0
+	}
 	return asr.answered / asr.total * 100
 }
 
@@ -89,6 +92,9 @@ func (acd *ACDMetric) RemoveCdr(cdr *QCdr) {
 }
 
 func (acd *ACDMetric) GetValue() float64 {
+	if acd.count == 0 {
+		return 0
+	}
 	return acd.sum.Seconds() / acd.count
 }
 
@@ -114,5 +120,8 @@ func (acc *ACCMetric) RemoveCdr(cdr *QCdr) {
 }
 
 func (acc *ACCMetric) GetValue() float64 {
+	if acc.count == 0 {
+		return 0
+	}
 	return acc.sum / acc.count
 }