#include <curl/curl.h>
#include <iostream>
#include <string>

size_t WriteCallback(void* contents, size_t size, size_t nmemb, void* userp) {
    ((std::string*)userp)->append((char*)contents, size * nmemb);
    return size * nmemb;
}

int main() {
    curl_global_init(CURL_GLOBAL_DEFAULT);
    CURL* curl = curl_easy_init();
    if (curl) {
        std::string response;

        curl_easy_setopt(curl, CURLOPT_URL, "https://ipinfo.io/json");
        curl_easy_setopt(curl, CURLOPT_PROXY, "socks5://156.229.21.94:1000");
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);

        CURLcode res = curl_easy_perform(curl);
        if (res == CURLE_OK) {
            std::cout << response << std::endl;
        } else {
            std::cerr << "curl error: " << curl_easy_strerror(res) << std::endl;
        }

        curl_easy_cleanup(curl);
    }
    curl_global_cleanup();
    return 0;
}