Shell Programming and Scripting

      FILE *pFile = NULL;
   pFile = fopen("/tmp/speed_test_config.xml", "wb");

        /* keeps the handle to the curl object */
    CURL *curl_handle = NULL;
    /* to keep the response */
    char *response = NULL;

    /* initializing curl and setting the url */
    curl_handle = curl_easy_init();
    curl_easy_setopt(curl_handle, CURLOPT_URL, "speedtest-config.php");
    curl_easy_setopt(curl_handle, CURLOPT_HTTPGET, 1);

    /* follow locations specified by the response header */
    curl_easy_setopt(curl_handle, CURLOPT_FOLLOWLOCATION, 1);

    /* setting a callback function to return the data */
    //curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, write_callback_func);

    /* passing the pointer to the response as the callback parameter */
    curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, &response);

    /* perform the request */
    curl_easy_perform(curl_handle);
                        fwrite(response, sizeof(char), max_json_buf_len, pFile);
                        fclose(pFile);
                fprintf(log_fp, "ABHI: Received AP ispeedtest server config response, status code %ld\n", status_code);

    /* cleaning all curl stuff */
    curl_easy_cleanup(curl_handle);