ADD: added zmq tcp server client classes

include/DirectCommunicationClient.hpp

@@ -0,0 +1 @@
+#pragma once

include/DirectCommunicationServer.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+
+
+
+#include "WHISPER/threadSafeQueue.hpp"
+#include "zmq.hpp"
+#include <atomic>
+#include <cstdint>
+#include <memory>
+#include <string>
+#include <sys/types.h>
+#include <thread>
+#include <vector>
+
+
+
+namespace DirectCommunication 
+{
+
+    class DirectCommunicationServer
+    {
+        public:
+            DirectCommunicationServer(ushort port);
+            ~DirectCommunicationServer();
+
+            void sendMessage(std::string msg);
+            std::unique_ptr<std::string> getLatestMessage();
+
+        private:
+            ushort port_;
+
+            zmq::context_t context_;
+            zmq::socket_t socket_;
+
+            void worker_();
+            std::thread Worker_;
+            std::atomic_bool stopWorker_;
+
+            WHISPER::threadSafeQueue<std::string> receivedMessages_;
+            std::vector<std::uint32_t> connectedClients_;
+
+            bool hasClient(std::uint32_t);
+
+            
+    };
+
+
+}