@@ -952,6 +952,16 @@ static int ds_warn_fixup(void **param, int param_no)

 static int ds_reload(sip_msg_t *msg)

 {

+	if(ds_rpc_reload_time==NULL) {

+		LM_ERR("not ready for reload\n");

+		return -1;

+	}

+	if(*ds_rpc_reload_time!=0 && *ds_rpc_reload_time > time(NULL) - ds_reload_delta) {

+		LM_ERR("ongoing reload\n");

+		return -1;

+	}

+	*ds_rpc_reload_time = time(NULL);

+

 	if(!ds_db_url.s) {

 		if(ds_load_list(dslistfile) != 0)

 			LM_ERR("Error reloading from list\n");

@@ -1859,6 +1869,18 @@ static void dispatcher_rpc_add(rpc_t *rpc, void *ctx)

 	str dest;

 	str attrs = STR_NULL;

+	if(ds_rpc_reload_time==NULL) {

+		LM_ERR("Not ready for rebuilding destinations list\n");

+		rpc->fault(ctx, 500, "Not ready for reload");

+		return;

+	}

+	if(*ds_rpc_reload_time!=0 && *ds_rpc_reload_time > time(NULL) - ds_reload_delta) {

+		LM_ERR("ongoing reload\n");

+		rpc->fault(ctx, 500, "Ongoing reload");

+		return;

+	}

+	*ds_rpc_reload_time = time(NULL);

+

 	flags = 0;

 	nparams = rpc->scan(ctx, "dS*dS", &group, &dest, &flags, &attrs);

@@ -1890,6 +1912,18 @@ static void dispatcher_rpc_remove(rpc_t *rpc, void *ctx)

 	int group;

 	str dest;

+	if(ds_rpc_reload_time==NULL) {

+		LM_ERR("Not ready for rebuilding destinations list\n");

+		rpc->fault(ctx, 500, "Not ready for reload");

+		return;

+	}

+	if(*ds_rpc_reload_time!=0 && *ds_rpc_reload_time > time(NULL) - ds_reload_delta) {

+		LM_ERR("ongoing reload\n");

+		rpc->fault(ctx, 500, "Ongoing reload");

+		return;

+	}

+	*ds_rpc_reload_time = time(NULL);

+

 	if(rpc->scan(ctx, "dS", &group, &dest) < 2) {

 		rpc->fault(ctx, 500, "Invalid Parameters");

 		return;