device/geovision: implement IsRunning method for geovision

device/geovision/geovision.go

@@ -88,11 +88,12 @@ var (
 // IP camera. This has been designed to implement the GV-BX4700-8F in particular.
 // Any other models are untested.
 type GeoVision struct {
-	cfg     avconfig.Config
-	log     avconfig.Logger
-	rtpClt  *rtp.Client
-	rtspClt *rtsp.Client
-	rtcpClt *rtcp.Client
+	cfg       avconfig.Config
+	log       avconfig.Logger
+	rtpClt    *rtp.Client
+	rtspClt   *rtsp.Client
+	rtcpClt   *rtcp.Client
+	isRunning bool
 }
 
 // NewGeoVision returns a new GeoVision.
@@ -278,6 +279,7 @@ func (g *GeoVision) Start() error {
 	}
 	g.log.Log(logger.Debug, pkg+"RTSP server PLAY response", "response", resp.String())
 	g.log.Log(logger.Info, pkg+"play requested, now receiving stream")
+	g.isRunning = true
 
 	return nil
 }
@@ -299,6 +301,8 @@ func (g *GeoVision) Stop() error {
 
 	g.log.Log(logger.Info, pkg+"RTP, RTSP and RTCP clients stopped and closed")
 
+	g.isRunning = false
+
 	return nil
 }
 
@@ -342,6 +346,5 @@ func parseSvrRTCPPort(resp rtsp.Response) (int, error) {
 
 // IsRunning is used to determine if the geovision is running.
 func (g *GeoVision) IsRunning() bool {
-	panic("not implemented")
-	return false
+	return g.isRunning
 }