int server_fd, new_socket, valread;
    struct sockaddr_in address;
    int opt = 1;
    int addrlen = sizeof(address);
    char buf[1024] = {0}; //buf lenght need to be fixed to 1024 due to socket receiving. This value can be changed only if modified accordingly on TinyCI-HUB (when the hub send data)
    json jsonResponse;

    // Creating socket file descriptor
    if ((server_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)
    {
        perror("socket failed");
        exit(EXIT_FAILURE);
    }

    // Forcefully attaching socket to the port 8080
    if (setsockopt(server_fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)))
    {
        perror("setsockopt");
        exit(EXIT_FAILURE);
    }
    address.sin_family = AF_INET;
    address.sin_addr.s_addr = htonl(INADDR_ANY);
    address.sin_port = htons(PORT);

    // Binding newly created socket to given IP and verification
    if (bind(server_fd, (struct sockaddr *)&address, sizeof(address)) < 0)
    {
        printf("socket bind failed...\n");
        exit(0);
    }
    else
        printf("Socket successfully binded..\n");

    // Now server is ready to listen and verification
    if ((listen(server_fd, 5)) != 0)
    {
        printf("Listen failed...\n");
        exit(0);
    }
    else
        printf("Server listening..\n");
    if ((new_socket = accept(server_fd, (struct sockaddr *)&address,
                             (socklen_t *)&addrlen)) < 0)
    {
        perror("accept");
        exit(EXIT_FAILURE);
    }

    if (argc > 1 && strcmp(argv[1], "-configure") == 0)
    {
        std::cout << "binding mode...\n";
        bzero(buf, sizeof(buf));
        ssize_t rec = 0;
        //Receiving data from socket
        do
        {
            int result = recv(new_socket, &buf[rec], sizeof(buf) - rec, 0);
            if (result == -1)
            {
                // Handle error ...
                break;
            }
            else if (result == 0)
            {
                // Handle disconnect ...
                break;
            }
            else
            {
                rec += result;
            }
        } while (rec < sizeof(buf));
        printf("buffer: %s\n", buf);
        jsonResponse = json::parse(buf);
        jsonResponse["device-name"] = DEVICE_NAME;
        jsonResponse["success"] = true;
        /*
          in configuration mode response must be the received json from the hub with some field added:
          {
            "device-name": "your device name",
            "success": true
          }
        */
        std::string resp = jsonResponse.dump();
        send(new_socket, resp.c_str(), strlen(resp.c_str()), 0);
    }