[siptrace][Bugfix]Use hep proto socket_info struct when trying to send

modules/siptrace/siptrace.c

@@ -1801,8 +1801,7 @@ static int trace_send_hep_duplicate(str *body, str *fromproto, str *fromip,
 	int ret;
 	union sockaddr_union from_su;
 	union sockaddr_union to_su;
-	unsigned int proto, osip_proto;
-	struct socket_info* send_sock;
+	unsigned int proto;
 	union sockaddr_union* to = NULL;
 
 	int heplen;
@@ -1848,43 +1847,11 @@ static int trace_send_hep_duplicate(str *body, str *fromproto, str *fromip,
 		return -1;
 	}
 
-	switch (proto) {
-		case IPPROTO_UDP:
-			osip_proto = PROTO_UDP;
-			break;
-
-		case IPPROTO_TCP:
-			osip_proto = PROTO_TCP;
-			break;
-
-		case IPPROTO_IDP:
-			osip_proto = PROTO_TLS;
-			break;
-
-		case IPPROTO_SCTP:
-			osip_proto = PROTO_SCTP;
-			break;
-
-		case IPPROTO_ESP:
-			osip_proto = PROTO_WS;
-			break;
-
-		default:
-			LM_ERR("Unknown protocol [%d]\n", proto);
-			return -1;
-	}
-
 	ret = -1;
 
 	do {
-		send_sock=get_send_socket(0, to, osip_proto);
-		if (send_sock==0){
-			LM_ERR("can't forward to af %d, proto %d no corresponding listening socket\n",
-					to->s.sa_family,proto);
-			continue;
-		}
-
-		if (msg_send(send_sock, PROTO_HEP, to, 0, hepbuf, heplen, NULL)<0){
+		/* send sock is being found in msg_send() function*/
+		if (msg_send(NULL, PROTO_HEP, to, 0, hepbuf, heplen, NULL)<0){
 			LM_ERR("cannot send duplicate message\n");
 			continue;
 		}