LivoxProto1: Add UdpCommandDemuxer.

We haven't genericized it with an unordered_map or integrated it
into device.cpp's async methods yet.

commonLibs/livoxProto1/udpCommandDemuxer.h

@@ -0,0 +1,66 @@
+#ifndef UDP_COMMAND_DEMUXER_H
+#define UDP_COMMAND_DEMUXER_H
+
+#include <atomic>
+#include <memory>
+#include <boost/asio.hpp>
+#include <componentThread.h>
+
+namespace livoxProto1 {
+
+// Forward declarations
+class DeviceManager;
+
+namespace comms {
+
+/**
+ * UdpCommandDemuxer - Routes UDP command datagrams to appropriate devices
+ *
+ * This class listens on the command port (65000) for incoming UDP datagrams
+ * from Livox devices and routes them to the appropriate Device based on
+ * the source IP address.
+ */
+class UdpCommandDemuxer
+{
+public:
+	UdpCommandDemuxer(
+		const std::shared_ptr<smo::ComponentThread>& componentThread,
+		DeviceManager& deviceManager,
+		uint16_t commandPort = 65000);
+
+	~UdpCommandDemuxer();
+
+	void start();
+	void stop();
+	bool isRunning() const { return isActive.load(); }
+
+private:
+	void setupSocket();
+	void startAsyncReceive();
+	void onDataReady(const boost::system::error_code& error);
+	void onTimerTick(const boost::system::error_code& error);
+	void processIncomingData();
+
+	std::shared_ptr<smo::ComponentThread> componentThread;
+	DeviceManager& deviceManager;
+	uint16_t commandPort;
+
+	// Socket and async objects
+	std::unique_ptr<boost::asio::posix::stream_descriptor> socketDesc;
+	boost::asio::deadline_timer timer;
+
+	// State management
+	std::atomic<bool> isActive{false};
+	std::atomic<bool> shouldStop{false};
+
+	// Receive buffer
+	uint8_t receiveBuffer[1024];
+	struct sockaddr_in senderAddr;
+	socklen_t senderAddrLen;
+	ssize_t bytesReceived;
+};
+
+} // namespace comms
+} // namespace livoxProto1
+
+#endif // UDP_COMMAND_DEMUXER_H