you might get something out of this discussion https://github.com/curl/curl/issues/2126
summary - failed connections intentionally do not report back ip address hope that helps, Jim Fuller On Thu, 2 Jan 2020 at 05:25, Arthur Murray via curl-library <curl-library@cool.haxx.se> wrote: > > Hi, > > I would like to get the IP#(s) of both successful and failed > connections after "curl_easy_perform". For example: If I try to: > > curl_easy_setopt(curl, CURLOPT_URL, "http://www.google.com:999";); > res = curl_easy_perform(curl); > > It will timeout for port 999 but both of these getinfo entries are empty: > > curl_easy_getinfo(curl, CURLINFO_PRIMARY_IP, &ip); > curl_easy_getinfo(curl, CURLINFO_ACTIVESOCKET, &sockfd); > > How do I programmatically get the tried IPs? (curl -v shows "Trying > [IP#]...", but I'm not looking for debug strings) > > Hostnames resolve to many IP #s, different ones at different times of > day and from different geo locations. How can my software access and > use them from libcurl? > ------------------------------------------------------------------- > Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.haxx.se/mail/etiquette.html ------------------------------------------------------------------- Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.html
