libcpr/cpr/curlholder.cpp

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2024-04-14 01:01:22 +00:00
#include "cpr/curlholder.h"
#include <cassert>
namespace cpr {
CurlHolder::CurlHolder() {
/**
* Allow multithreaded access to CPR by locking curl_easy_init().
* curl_easy_init() is not thread safe.
* References:
* https://curl.haxx.se/libcurl/c/curl_easy_init.html
* https://curl.haxx.se/libcurl/c/threadsafe.html
**/
curl_easy_init_mutex_().lock();
// NOLINTNEXTLINE (cppcoreguidelines-prefer-member-initializer) since we need it to happen inside the lock
handle = curl_easy_init();
curl_easy_init_mutex_().unlock();
assert(handle);
} // namespace cpr
CurlHolder::~CurlHolder() {
curl_slist_free_all(chunk);
curl_slist_free_all(resolveCurlList);
curl_mime_free(multipart);
curl_easy_cleanup(handle);
}
std::string CurlHolder::urlEncode(const std::string& s) const {
assert(handle);
char* output = curl_easy_escape(handle, s.c_str(), static_cast<int>(s.length()));
if (output) {
std::string result = output;
curl_free(output);
return result;
}
return "";
}
std::string CurlHolder::urlDecode(const std::string& s) const {
assert(handle);
char* output = curl_easy_unescape(handle, s.c_str(), static_cast<int>(s.length()), nullptr);
if (output) {
std::string result = output;
curl_free(output);
return result;
}
return "";
}
} // namespace cpr