IoUringAssmEngine: Add skeleton setup/finalize

Also add dependency on liburing.
This patch adds basic io_uring_queue_init and io_uring_exit
support and calls.

stimBuffApis/livoxGen1/ioUringAssemblyEngine.h

@@ -8,28 +8,45 @@
 #include <vector>
 #include <chrono>
 #include <atomic>
-
+#include <liburing.h>
+#include <boost/asio/io_service.hpp>
+#include <boost/asio/deadline_timer.hpp>
 #include <livoxProto1/device.h>
-
 #include "frameAssemblyDesc.h"
 
 namespace smo {
 namespace stim_buff {
 
+class PcloudStimulusBuffer;
+
 class IoUringAssemblyEngine
 {
 public:
-	IoUringAssemblyEngine();
+	explicit IoUringAssemblyEngine(PcloudStimulusBuffer& parent);
 	~IoUringAssemblyEngine() = default;
 
+	bool setup();
+	void finalize();
+	void resetAndAssembleFrame();
+	void stop();
+
 	// Telemetry helpers
 	static size_t computePointsPerDgram(int returnMode);
 	static size_t computePointsPerFrame(int returnMode, size_t nDgramsPerFrame)
 		{ return computePointsPerDgram(returnMode) * nDgramsPerFrame; }
 
 private:
+	PcloudStimulusBuffer& parent;
+
 	// Cached descriptor for reuse across iterations
-	FrameAssemblyDesc* desc;
+	std::shared_ptr<FrameAssemblyDesc> frameAssemblyDesc;
+
+	// io_uring infrastructure
+	struct io_uring ring;
+	bool isSetup;
+
+	// Stall detection timer
+	boost::asio::deadline_timer stallTimer;
 
 	void cancelIncompleteAndFillDummies();
 };