starting to add new Socket interface

slsSupportLib/include/ServerSocket.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "DataSocket.h"
+
+#include <cstdint>
+#include <netdb.h>
+#include <string>
+#include <sys/socket.h>
+#include <sys/types.h>
+
+namespace sls {
+
+class ServerSocket : public DataSocket {
+  public:
+    ServerSocket(int port);
+    DataSocket accept();
+    const std::string &getLastClient() { return lastClient_; }
+
+  private:
+    std::string lastClient_ = std::string(INET_ADDRSTRLEN, '\0');
+    std::string thisClient_ = std::string(INET_ADDRSTRLEN, '\0');
+    // char lastClient_[INET_ADDRSTRLEN]{};
+};
+
+}; //namespace sls