bob/curly
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases Wiki Activity

delegated all RAII for curl handle to unique_ptr

Browse Source
This commit is contained in:
Bob Polis 2020-09-12 19:34:32 +02:00
parent 159feb0dac
commit a5c8ddae35
2 changed files with 8 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
requester.cpp
View File

@ -26,33 +26,15 @@ size_t requester::write_data(char *buf, size_t sz, size_t nmemb, void *user_data
requester::requester() {
curl_global_init(CURL_GLOBAL_ALL);
_h = curl_easy_init();
curl_easy_setopt(_h, CURLOPT_WRITEFUNCTION, write_data);
}
requester::~requester() {
curl_easy_cleanup(_h);
}
requester::requester(requester&& other) {
_h = other._h;
other._h = nullptr;
}
requester& requester::operator=(requester &&other) {
if (this != &other) {
curl_easy_cleanup(_h);
_h = other._h;
other._h = nullptr;
}
return *this;
_h.reset(curl_easy_init());
curl_easy_setopt(_h.get(), CURLOPT_WRITEFUNCTION, write_data);
}
std::string requester::get(const std::string &url) {
curl_easy_setopt(_h, CURLOPT_URL, url.c_str());
curl_easy_setopt(_h.get(), CURLOPT_URL, url.c_str());
std::vector<char> buf;
curl_easy_setopt(_h, CURLOPT_WRITEDATA, &buf);
auto success = curl_easy_perform(_h);
curl_easy_setopt(_h.get(), CURLOPT_WRITEDATA, &buf);
auto success = curl_easy_perform(_h.get());
if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
std::string text {buf.data(), buf.size()};
return text;

15
requester.hpp
View File

@ -10,6 +10,7 @@
#define _requester_H_
#include <string>
#include <memory>
#include <curl/curl.h>
class requester {
@ -20,21 +21,11 @@ class requester {
// this class is a RAII class for a curl handle
requester();
// forbid copying
requester(const requester& other) = delete;
requester& operator=(const requester& other) = delete;
// allow moving
requester(requester&& other);
requester& operator=(requester&& other);
// cleanup
~requester();
// perform a http get request
std::string get(const std::string& url);
private:
CURL* _h {nullptr}; // curl handle
std::unique_ptr<CURL, void(*)(CURL*)> _h {nullptr, curl_easy_cleanup};
};
#endif // _requester_H_