+ if (cb->ai) {
+ /* When we are here, we still have the IP in cache.
+ * If we have remaining attempts without calling the DNS, we update the
+ * last_update date so we keep the info until next time.
+ * If there is no more attempts, we need to flush the cache.
+ */
+
+ if ((cb->ai_last_update + resolve_interval + cb->next_random_ttl) < now) {
+ cb->next_random_ttl = new_random_ttl();
+ if (cb->connect_dns_failed_attempts_remaining > 0) {
+ /* Warning : this is run under send_lock mutex.
+ * This is why we do not use another mutex here.
+ * */
+ cb->ai_last_update = now;
+ cb->connect_dns_failed_attempts_remaining--;
+ } else {
+ freeaddrinfo(cb->ai);
+ cb->ai = NULL;
+ }