fea: add statics for output

pkg/models/output.go

@@ -0,0 +1,19 @@
+package models
+
+import "time"
+
+type Output struct {
+	Network    string
+	Protocol   string
+	Connection string
+	Vlan       int
+	Device     string
+	RxBytes    uint64
+	TxBytes    uint64
+	ErrPkt     uint64
+	NewTime    int64
+}
+
+func (o *Output) UpTime() int64 {
+	return time.Now().Unix() - o.NewTime
+}