Fixes with RTPRelay and actioncam

Endless loop in RTPRelay and exiting from whole app using Ctrl+C

actioncam.go

@@ -71,6 +71,7 @@ func main() {
 				case sig := <-signalChannel:
 					log.Printf("Got signal %s, exiting...\n", sig)
 					cancel()
+					os.Exit(0)
 				}
 			}(cancel)
 

libipcamera/RTPRelay.go

@@ -20,6 +20,8 @@ type RTPRelay struct {
 	context    context.Context
 }
 
+var close bool
+
 // CreateRTPRelay creates a UDP listener that handles live data
 // from the camera and forwards it as an RTP stream
 func CreateRTPRelay(ctx context.Context, targetAddress net.IP, targetPort int) *RTPRelay {
@@ -29,7 +31,9 @@ func CreateRTPRelay(ctx context.Context, targetAddress net.IP, targetPort int) *
 		log.Printf("ERROR: %s\n", err)
 	}
 	
+	close = false
 	relay := RTPRelay{
+		close: false,
 		targetIP:   targetAddress,
 		targetPort: targetPort,
 		listener:   conn,
@@ -66,7 +70,7 @@ func handleCameraStream(relay RTPRelay, conn net.PacketConn) {
 
 	frameBuffer := bytes.Buffer{}
 	packetBuffer := bytes.Buffer{}
-
+	T:
 		for {
 			conn.SetReadDeadline(time.Now().Add(10 * time.Second))
 			
@@ -75,12 +79,12 @@ func handleCameraStream(relay RTPRelay, conn net.PacketConn) {
 				log.Println("Context Done")
 				rtpConn.Close()
 				relay.listener.Close()
-			break
+				break T
 			default:
-			if relay.close {
+				if close {
 					rtpConn.Close()
 					relay.listener.Close()
-				break
+					break T
 				}
 				
 				conn.ReadFrom(buffer)
@@ -136,6 +140,7 @@ func handleCameraStream(relay RTPRelay, conn net.PacketConn) {
 
 // Stop stops listening for packets
 func (r *RTPRelay) Stop() {
-	r.listener.Close()
+	close = true
 	r.close = true
+	r.listener.Close()
 }