Changeset 5481 for pjproject/trunk/pjnath/src/pjnath/ice_strans.c

Timestamp:

Nov 14, 2016 6:13:01 AM (4 years ago)

Author:

nanang

Message:

Re #1971: Request IPv4 relay address to an IPv6 TURN server for IPv6-IPv4 connectivity.

File:

• pjproject/trunk/pjnath/src/pjnath/ice_strans.c (modified) (1 diff)

pjproject/trunk/pjnath/src/pjnath/ice_strans.c

@@ -1992 +1992 @@
         comp->default_cand = (unsigned)(cand - comp->cand_list);
 
+        /* Prefer IPv4 relay as default candidate for better connectivity
+         * with IPv4 endpoints.
+         */
+        if (cand->addr.addr.sa_family != pj_AF_INET()) {
+            for (i=0; i<comp->cand_cnt; ++i) {
+                if (comp->cand_list[i].type == PJ_ICE_CAND_TYPE_RELAYED &&
+                    comp->cand_list[i].addr.addr.sa_family == pj_AF_INET() &&
+                    comp->cand_list[i].status == PJ_SUCCESS)
+                {
+                    comp->default_cand = i;
+                    break;
+                }
+            }
+        }
+
         PJ_LOG(4,(comp->ice_st->obj_name,
                   "Comp %d: TURN allocation complete, relay address is %s",