milis/talimatname/genel/p/pjproject-ring/fix_turn_fallback.patch

--- a/pjnath/src/pjnath/turn_session.c	2016-09-19 18:21:09.073614574 -0400
+++ b/pjnath/src/pjnath/turn_session.c	2016-09-19 18:21:30.648631620 -0400
@@ -653,3 +653,3 @@
 
-	cnt = PJ_TURN_MAX_DNS_SRV_CNT;
+	cnt = 1;
 	ai = (pj_addrinfo*)
--- a/pjnath/src/pjnath/ice_strans.c	2016-09-19 18:36:04.180104330 -0400
+++ b/pjnath/src/pjnath/ice_strans.c	2016-09-19 18:37:10.614136809 -0400
@@ -1304,2 +1304,5 @@
 
+		if (!comp->turn[n].sock)
+			continue;
+
 	    /* Gather remote addresses for this component */
@@ -1995,4 +1998,37 @@
         sess_init_update(comp->ice_st);

+    } else if ((old_state == PJ_TURN_STATE_RESOLVING || old_state == PJ_TURN_STATE_ALLOCATING) &&
+               new_state >= PJ_TURN_STATE_DEALLOCATING)
+    {
+        pj_ice_sess_cand *cand = NULL;
+        unsigned i;
+
+        /* DNS resolution has failed! */
+        ++comp->turn[tp_idx].err_cnt;
+
+        /* Unregister ourself from the TURN relay */
+        pj_turn_sock_set_user_data(turn_sock, NULL);
+        comp->turn[tp_idx].sock = NULL;
+
+        /* Wait until initialization completes */
+        pj_grp_lock_acquire(comp->ice_st->grp_lock);
+
+        /* Find relayed candidate in the component */
+        for (i=0; i<comp->cand_cnt; ++i) {
+            if (comp->cand_list[i].type == PJ_ICE_CAND_TYPE_RELAYED &&
+                comp->cand_list[i].transport_id == data->transport_id)
+            {
+                cand = &comp->cand_list[i];
+                break;
+            }
+        }
+        pj_assert(cand != NULL);
+
+        pj_grp_lock_release(comp->ice_st->grp_lock);
+
+        cand->status = old_state == PJ_TURN_STATE_RESOLVING ? PJ_ERESOLVE : PJ_EINVALIDOP;
+
+        sess_init_update(comp->ice_st);
+
     } else if (new_state >= PJ_TURN_STATE_DEALLOCATING) {
         pj_turn_session_info info;