code: added connection timer

main.cpp

@@ -67,6 +67,7 @@ download(const string& address) {
     CURL* curl = curl_easy_init();
     if (curl) {
         CURLcode res;
+        curl_off_t connect;
         curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
@@ -75,6 +76,12 @@ download(const string& address) {
             fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
             exit(1);
         }
+        if (CURLE_OK == res) {
+            res = curl_easy_getinfo(curl, CURLINFO_CONNECT_TIME_T, &connect);
+            if (CURLE_OK == res) {
+                fprintf(stderr, "connection time: %" CURL_FORMAT_CURL_OFF_T ".%06ld", connect / 1000000, (long)(connect % 1000000));
+            }
+        }
         curl_easy_cleanup(curl);
     }
     return input_data(buffer, false);