Add support for multiple metric data-stores.

[sysdb.git] / src / frontend / query.c

diff --git a/src/frontend/query.c b/src/frontend/query.c
index 3f33a9914b7bfd342727f73e4ae74134ef9c1b11..302c586a6c227de98b7e3ae035f58224a135a7de 100644 (file)
--- a/src/frontend/query.c
+++ b/src/frontend/query.c
@@ -65,15 +65,23 @@ static int
 metric_fetcher_metric(sdb_store_metric_t *metric, sdb_object_t *user_data)
 {
        metric_store_t *st = SDB_OBJ_WRAPPER(user_data)->data;
+       sdb_time_t last_update = 0;
+       size_t idx = 0, i;
 
-       if ((! metric->store.type) || (! metric->store.id))
-               return 0;
-
-       st->type = strdup(metric->store.type);
-       st->id = strdup(metric->store.id);
-       st->last_update = metric->store.last_update;
-       if ((! st->type) || (! st->id))
+       if (! metric->stores_num)
                return -1;
+
+       /* Find the most up to date data store.
+        * TODO: Consider merging multiple results? */
+       for (i = 0; i < metric->stores_num; ++i) {
+               if (metric->stores[i].last_update > last_update) {
+                       last_update = metric->stores[i].last_update;
+                       idx = i;
+               }
+       }
+       st->type = strdup(metric->stores[idx].type);
+       st->id = strdup(metric->stores[idx].id);
+       st->last_update = metric->stores[idx].last_update;
        return 0;
 } /* metric_fetcher_metric */