starting to add new Socket interface

slsSupportLib/include/ClientSocket.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "DataSocket.h"
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netdb.h>
+#include <string>
+
+namespace sls{
+
+class ClientSocket: public DataSocket{
+public:
+    ClientSocket(const std::string& hostname, uint16_t port_number);
+private:
+
+};
+
+}; //namespace sls

slsSupportLib/include/DataSocket.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <cstdint>
+#include <cstddef>
+namespace sls {
+
+class DataSocket {
+  public:
+    DataSocket(int socketId);
+
+    int getSocketId() const{
+        return socketId_;
+    }
+    size_t sendData(char *buffer, size_t size);
+    size_t receiveData(char * buffer, size_t size);
+
+    void close();
+
+  private:
+    int socketId_ = -1;
+};
+
+}; // namespace sls

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