20231101_http

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

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

int main()
{
    CURL *curl = curl_easy_init();
    if(curl) {
        std::string readBuffer;

        curl_easy_setopt(curl, CURLOPT_URL, "https://192.168.100.100/application-files/JTDemo.wef.gz");
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);  // Skip SSL verification, not recommended in production
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);  // Skip SSL verification, not recommended in production
        CURLcode res = curl_easy_perform(curl);

        if(res != CURLE_OK) {
            fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
        }
        else {
            std::ofstream outFile("JTDemo.wef.gz", std::ios::binary);
            outFile << readBuffer;
        }

        curl_easy_cleanup(curl);
    }

    return 0;
}