on the advice of the insightful creator of dns.c, account for when a UDP

answer is truncated and the resolver switches to TCP, causing the pollfd
descriptor will change. Any poll on this old descriptor will either
timeout or continually poll as ready

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/ecore@71776 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

diff --git a/src/lib/ecore_con/ecore_con_dns.c b/src/lib/ecore_con/ecore_con_dns.c
index 48082df..93ca8c8 100644 (file)
--- a/src/lib/ecore_con/ecore_con_dns.c
+++ b/src/lib/ecore_con/ecore_con_dns.c
@@ -115,10 +115,16 @@ error:
 }
 
 static Eina_Bool
-_dns_fd_cb(Ecore_Con_DNS *dns, Ecore_Fd_Handler *fdh)
+_dns_fd_cb(Ecore_Con_DNS *dns, Ecore_Fd_Handler *fdh __UNUSED__)
 {
-   if (_ecore_con_dns_check(dns) == 1)
-     ecore_main_fd_handler_active_set(fdh, dns_ai_events(dns->ai));
+   if (_ecore_con_dns_check(dns) != 1) return ECORE_CALLBACK_RENEW;
+   if (ecore_main_fd_handler_fd_get(dns->fdh) != dns_ai_pollfd(dns->ai))
+     {
+        ecore_main_fd_handler_del(dns->fdh);
+        dns->fdh = ecore_main_fd_handler_add(dns_ai_pollfd(dns->ai), dns_ai_events(dns->ai), (Ecore_Fd_Cb)_dns_fd_cb, dns, NULL, NULL);
+     }
+   else
+     ecore_main_fd_handler_active_set(dns->fdh, dns_ai_events(dns->ai));
    return ECORE_CALLBACK_RENEW;
 }