Funcion socket c++

std::string sendNoCurl(const std::string& host, int port, const std::string& path,bool debug=false) {
            int sock = socket(AF_INET, SOCK_STREAM, 0);
            if (sock == -1) {
                std::cerr << "Error: Failed to create socket" << std::endl;
                return "";
            }

            struct sockaddr_in server;
            server.sin_family = AF_INET;
            server.sin_port = htons(port);
            if (inet_pton(AF_INET, host.c_str(), &server.sin_addr) <= 0) {
                std::cerr << "Error: Invalid address" << std::endl;
                close(sock);
                return "";
            }

            if (connect(sock, (struct sockaddr*)&server, sizeof(server)) < 0) {
                std::cerr << "Error: Connection failed" << std::endl;
                close(sock);
                return "";
            }

            std::string request = "get " + path + " http/1.0\r\n";
            //std::string request = "GET " + path + " HTTP/1.1\r\n";
            request += "Host: " + host + "\r\n";
            request += "Connection: close\r\n\r\n";

            cout <<"DEBUG NO CURL :"<<request<<endl;
            if (send(sock, request.c_str(), request.length(), 0) != request.length()) {
                std::cerr << "Error: Failed to send request" << std::endl;
                close(sock);
                return "";
            }

            std::string response;
            char buffer[4096];
            int bytes_received;
            while ((bytes_received = recv(sock, buffer, sizeof(buffer), 0)) > 0) {
                response.append(buffer, bytes_received);
            }

            close(sock);

            return response;
        }