store: Fixed handling of metric store values.

 - Call sdb_plugin_store_metric() even if store=NULL (don't return early).
 - Don't drop old values if strdup failed when storing store type/id.
 - Fixed a segfault in sdb_plugin_store_metric() when using store=NULL.

diff --git a/src/core/plugin.c b/src/core/plugin.c
index bf0bdb34a20af428c73ab63250c7b0f4d3f4c00b..f581eb1629fbe3f043c02e13f6a4f3799de9b6d4 100644 (file)
--- a/src/core/plugin.c
+++ b/src/core/plugin.c
@@ -1386,7 +1386,7 @@ sdb_plugin_store_metric(const char *hostname, const char *name,
        if ((! hostname) || (! name))
                return -1;
 
-       if ((! store->type) || (! store->id))
+       if (store && ((! store->type) || (! store->id)))
                store = NULL;
 
        iter = sdb_llist_get_iter(writer_list);

diff --git a/src/core/store.c b/src/core/store.c
index ab37e689641ec52b42f844bb5f1f1d3cd6236d63..cb3189d72245690941c6d010a41dfa6d5da7f927 100644 (file)
--- a/src/core/store.c
+++ b/src/core/store.c
@@ -423,6 +423,37 @@ store_attr(sdb_store_obj_t *parent, sdb_avltree_t *attributes,
        return status;
 } /* store_attr */
 
+static int
+store_metric_store(sdb_metric_t *metric, sdb_metric_store_t *store)
+{
+       char *type = metric->store.type;
+       char *id = metric->store.id;
+
+       if ((! metric->store.type) || strcasecmp(metric->store.type, store->type)) {
+               if (! (type = strdup(store->type)))
+                       return -1;
+       }
+       if ((! metric->store.id) || strcasecmp(metric->store.id, store->id)) {
+               if (! (id = strdup(store->id))) {
+                       if (type != metric->store.type)
+                               free(type);
+                       return -1;
+               }
+       }
+
+       if (type != metric->store.type) {
+               if (metric->store.type)
+                       free(metric->store.type);
+               metric->store.type = type;
+       }
+       if (id != metric->store.id) {
+               if (metric->store.id)
+                       free(metric->store.id);
+               metric->store.id = id;
+       }
+       return 0;
+} /* store_metric_store */
+
 /* The host_lock has to be acquired before calling this function. */
 static sdb_avltree_t *
 get_host_children(sdb_host_t *host, int type)
@@ -631,6 +662,9 @@ sdb_store_service(const char *hostname, const char *name,
        sdb_object_deref(SDB_OBJ(host));
        pthread_rwlock_unlock(&host_lock);
 
+       if (status)
+               return status;
+
        if (sdb_plugin_store_service(hostname, name, last_update))
                status = -1;
        return status;
@@ -716,7 +750,7 @@ sdb_store_metric(const char *hostname, const char *name,
                                name, last_update, &obj);
        sdb_object_deref(SDB_OBJ(host));
 
-       if (status || (! store)) {
+       if (status) {
                pthread_rwlock_unlock(&host_lock);
                return status;
        }
@@ -724,25 +758,9 @@ sdb_store_metric(const char *hostname, const char *name,
        assert(obj);
        metric = METRIC(obj);
 
-       if ((! metric->store.type) || strcasecmp(metric->store.type, store->type)) {
-               if (metric->store.type)
-                       free(metric->store.type);
-               metric->store.type = strdup(store->type);
-       }
-       if ((! metric->store.id) || strcasecmp(metric->store.id, store->id)) {
-               if (metric->store.id)
-                       free(metric->store.id);
-               metric->store.id = strdup(store->id);
-       }
-
-       if ((! metric->store.type) || (! metric->store.id)) {
-               if (metric->store.type)
-                       free(metric->store.type);
-               if (metric->store.id)
-                       free(metric->store.id);
-               metric->store.type = metric->store.id = NULL;
-               status = -1;
-       }
+       if (store)
+               if (store_metric_store(metric, store))
+                       status = -1;
        pthread_rwlock_unlock(&host_lock);
 
        if (sdb_plugin_store_metric(hostname, name, store, last_update))