sdr: capture state locally prior to processing

main/sdr.go

@@ -486,6 +486,9 @@ func sdrWatcher() {
 			shutdownES = false
 		}
 
+		// capture current state
+		esEnabled := esEnabled
+		uatEnabled := uatEnabled
 		count := rtl.GetDeviceCount()
 		atomic.StoreUint32(&globalStatus.Devices, uint32(count))
 
@@ -494,8 +497,7 @@ func sdrWatcher() {
 			count = 2
 		}
 
-		if count == prevCount && prevESEnabled == globalSettings.ES_Enabled &&
-			prevUATEnabled == globalSettings.UAT_Enabled {
+		if count == prevCount && prevESEnabled == esEnabled && prevUATEnabled == uatEnabled {
 			continue
 		}
 
@@ -508,11 +510,11 @@ func sdrWatcher() {
 			ESDev.shutdown()
 			ESDev = nil
 		}
-		configDevices(count, globalSettings.ES_Enabled, globalSettings.UAT_Enabled)
+		configDevices(count, esEnabled, uatEnabled)
 
 		prevCount = count
-		prevUATEnabled = globalSettings.UAT_Enabled
-		prevESEnabled = globalSettings.ES_Enabled
+		prevUATEnabled = uatEnabled
+		prevESEnabled = esEnabled
 	}
 }