layout: Reorganize TCP client/server code

client/IOCPUDPClient.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "IOCPClient.h"
+
+class IOCPUDPClient : public IOCPClient
+{
+public:
+	IOCPUDPClient(State& bExit, bool exit_while_disconnect = false):IOCPClient(bExit, exit_while_disconnect){}
+
+	virtual ~IOCPUDPClient(){}
+
+	virtual BOOL ConnectServer(const char* szServerIP, unsigned short uPort) override;
+
+	virtual int ReceiveData(char* buffer, int bufSize, int flags) override;
+
+	virtual int SendTo(const char* buf, int len, int flags) override;
+};