Remove requester

This commit is contained in:
Bob Polis 2023-11-05 00:49:26 +00:00
parent 4aa4734ffc
commit 86e48c043a
2 changed files with 0 additions and 90 deletions

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@ -1,57 +0,0 @@
#include "requester.hpp"
#include <curl/curl.h>
#include <vector>
#include <cstring>
#include <stdexcept>
#include <libsclogging.hpp>
extern sc::logger logger;
size_t requester::write_data(char *buf, size_t sz, size_t nmemb, void *user_data) {
size_t realsize = sz * nmemb;
SCInfo(logger, "received ", realsize, " bytes");
std::string* text {reinterpret_cast<std::string*>(user_data)};
text->append(buf, realsize);
return realsize;
}
requester::requester() {
curl_global_init(CURL_GLOBAL_ALL);
_h.reset(curl_easy_init());
curl_easy_setopt(_h.get(), CURLOPT_WRITEFUNCTION, write_data);
}
requester::~requester() {
curl_global_cleanup();
}
std::string requester::get(const std::string &url) {
std::string text;
curl_easy_setopt(_h.get(), CURLOPT_URL, url.c_str());
curl_easy_setopt(_h.get(), CURLOPT_WRITEDATA, &text);
auto success = curl_easy_perform(_h.get());
if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
long status;
success = curl_easy_getinfo(_h.get(), CURLINFO_RESPONSE_CODE, &status);
if (success != CURLE_OK || status != 200) throw std::runtime_error("could not get remote data");
return text;
}
std::string requester::post(const std::string& url, const std::string& json) {
curl_easy_setopt(_h.get(), CURLOPT_URL, url.c_str());
curl_easy_setopt(_h.get(), CURLOPT_POST, 1L);
curl_easy_setopt(_h.get(), CURLOPT_POSTFIELDS, json.c_str());
curl_easy_setopt(_h.get(), CURLOPT_POSTFIELDSIZE, json.size());
struct curl_slist* headers {nullptr};
headers = curl_slist_append(headers, "Content-Type: application/json");
std::unique_ptr<struct curl_slist, void(*)(struct curl_slist*)> hdrs {headers, curl_slist_free_all};
curl_easy_setopt(_h.get(), CURLOPT_HTTPHEADER, headers);
std::string response;
curl_easy_setopt(_h.get(), CURLOPT_WRITEDATA, &response);
auto success = curl_easy_perform(_h.get());
if (success != CURLE_OK) throw std::runtime_error("could not post data");
return response;
}

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#ifndef _requester_H_
#define _requester_H_
#include <string>
#include <memory>
#include <curl/curl.h>
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 and moving
requester(const requester&) = delete;
requester& operator=(const requester&) = delete;
requester(requester&&) = delete;
requester& operator=(requester&&) = delete;
// 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};
};
#endif // _requester_H_