LivoxProto1:Device: Refcount num stimbuffs attached

commonLibs/livoxProto1/core.cpp

@@ -230,7 +230,7 @@ void DeviceManager::destroyDeviceReq(
 	std::shared_ptr<Device> device = getDevice(dev->discoveredDevice).
 		value_or(nullptr);
 
-	if (!device)
+	if (!device || device->nAttachedStimBuffs > 0)
 	{
 		callback.callbackFn(false);
 		return;

commonLibs/livoxProto1/device.cpp

@@ -97,6 +97,7 @@ Device::Device(const std::string &deviceIdentifier,
 	deviceIdentifier, comms::DeviceType::Mid40,
 	// Initialize empty. IP will be set upon successful connection.
 	""),
+nAttachedStimBuffs(0),
 componentThread(componentThread),
 handshakeTimeoutMs(handshakeTimeoutMs), retryDelayMs(retryDelayMs),
 smoIp(smoIp), detectedSmoListeningIp(""), smoSubnetNbits(smoSubnetNbits),

commonLibs/livoxProto1/device.h

@@ -140,6 +140,7 @@ public:
 
 public:
 	comms::DiscoveredDevice discoveredDevice;
+	std::atomic<size_t> nAttachedStimBuffs;
 
 	// Configuration
 	std::shared_ptr<smo::ComponentThread> componentThread;