Fix client count metric

server/rtmp.go

@@ -346,12 +346,11 @@ func (rs *RTMPServer) EnableMetrics() {
 		},
 	)
 	prometheus.MustRegister(currentStreams)
-	currentClients := prometheus.NewGaugeVec(
+	currentClients := prometheus.NewGauge(
 		prometheus.GaugeOpts{
 			Name: "dogtamer_current_clients",
 			Help: "Currently connected clients.",
 		},
-		[]string{"stream_name"},
 	)
 	prometheus.MustRegister(currentClients)
 	bytesReceived := prometheus.NewGaugeVec(
@@ -402,6 +401,7 @@ func (rs *RTMPServer) EnableMetrics() {
 				}
 			}
 			rs.streamsLock.RUnlock()
+			currentClients.Set(float64(clientCount))
 		}
 	}()
 }