libscrequest/src/requester.hpp

#ifndef _requester_H_
#define _requester_H_

#include <string>
#include <memory>
#include <curl/curl.h>
#include <libsclogging.hpp>

namespace sc {

    class requester {
        public:
            // callback for data receiving
            static size_t write_data(char* buf, size_t sz, size_t nmemb, void* user_data);

            // this class is a RAII class for a curl handle
            requester();
            ~requester();

            // forbid copying
            requester(const requester&) = delete;
            requester& operator=(const requester&) = delete;

            // allow move
            requester(requester&&);
            requester& operator=(requester&&);

            // optional logger
            void logger(sc::logger* logger) { _logger = logger; }

            // perform a http get request
            std::string get(const std::string& url);

            // perform a http post request
            std::string post(const std::string& url, const std::string& json);

        private:
            std::unique_ptr<CURL, void(*)(CURL*)> _h {nullptr, curl_easy_cleanup};
            sc::logger* _logger {nullptr};
            std::string _text;
            long _status;

            void perform();
            void check_status(long status);
    };

}
#endif // _requester_H_