TT#14008 fix ICE if ICE completes before SDP comes in

Change-Id: I3085e67a81fb8adeeb4334db2e0e894716107937
(cherry picked from commit 89666c8021)

daemon/call.c

@@ -1027,7 +1027,6 @@ static void __fill_stream(struct packet_stream *ps, const struct endpoint *epp,
 	ilog(LOG_DEBUG, "set FILLED flag for stream %s%s:%d%s",
 			FMT_M(sockaddr_print_buf(&ps->endpoint.address), ps->endpoint.port));
 	PS_SET(ps, FILLED);
-	/* XXX reset/repair ICE */
 }
 
 /* called with call locked in R or W, but ps not locked */

daemon/ice.c

@@ -1035,6 +1035,7 @@ static int __check_valid(struct ice_agent *ag) {
 			ilogs(ice, LOG_INFO, "ICE negotiated: peer for component %u is %s%s%s", ps->component,
 					FMT_M(endpoint_print_buf(&pair->remote_candidate->endpoint)));
 			ps->endpoint = pair->remote_candidate->endpoint;
+			PS_SET(ps, FILLED);
 		}
 		mutex_unlock(&ps->out_lock);
 

include/ice.h

@@ -217,6 +217,8 @@ INLINE const char *ice_candidate_type_str(enum ice_candidate_type type) {
 	return ice_type_strings[type];
 }
 INLINE int ice_ufrag_cmp(struct ice_agent *ag, const str *s) {
+	if (!ag->ufrag[0].len) // fragment unknown
+		return 0;
 	return str_cmp_str0(&ag->ufrag[0], s);
 }