store: Add separate store-object types for the store writer API.

[sysdb.git] / src / include / core / store.h

diff --git a/src/include/core/store.h b/src/include/core/store.h
index 678af6ff9e706f85a33080ac5a377142e17b0e23..a1e5e179ca5ec03d40fedc20081ec9b9f86a3e7f 100644 (file)
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
@@ -111,13 +111,71 @@ struct sdb_store_obj;
 typedef struct sdb_store_obj sdb_store_obj_t;
 
 /*
- * A metric store describes how to access a metric's data.
+ * sdb_store_host_t represents the meta-data of a stored host object.
+ */
+typedef struct {
+       const char *name;
+
+       sdb_time_t last_update;
+       sdb_time_t interval;
+       char **backends;
+       size_t backends_num;
+} sdb_store_host_t;
+
+/*
+ * sdb_store_service_t represents the meta-data of a stored service object.
+ */
+typedef struct {
+       const char *hostname;
+       const char *name;
+
+       sdb_time_t last_update;
+       sdb_time_t interval;
+       char **backends;
+       size_t backends_num;
+} sdb_store_service_t;
+
+/*
+ * sdb_metric_store_t specifies how to access a metric's data.
  */
 typedef struct {
        const char *type;
        const char *id;
 } sdb_metric_store_t;
 
+/*
+ * sdb_store_metric_t represents the meta-data of a stored metric object.
+ */
+typedef struct {
+       const char *hostname;
+       const char *name;
+       struct {
+               const char *type;
+               const char *id;
+       } store;
+
+       sdb_time_t last_update;
+       sdb_time_t interval;
+       char **backends;
+       size_t backends_num;
+} sdb_store_metric_t;
+
+/*
+ * sdb_store_attribute_t represents a stored attribute.
+ */
+typedef struct {
+       const char *hostname; /* optional */
+       int parent_type;
+       const char *parent;
+       const char *key;
+       sdb_data_t value;
+
+       sdb_time_t last_update;
+       sdb_time_t interval;
+       char **backends;
+       size_t backends_num;
+} sdb_store_attribute_t;
+
 /*
  * Expressions represent arithmetic expressions based on stored objects and
  * their various attributes.
@@ -175,8 +233,7 @@ typedef struct {
         * specified name and timestamp. Else, a new entry will be created in the
         * store.
         */
-       int (*store_host)(const char *name, sdb_time_t last_update,
-                       sdb_object_t *user_data);
+       int (*store_host)(sdb_store_host_t *host, sdb_object_t *user_data);
 
        /*
         * store_service:
@@ -186,8 +243,7 @@ typedef struct {
         * does not exist, an error will be reported. Else, a new entry will be
         * created in the store.
         */
-       int (*store_service)(const char *hostname, const char *name,
-                       sdb_time_t last_update, sdb_object_t *user_data);
+       int (*store_service)(sdb_store_service_t *service, sdb_object_t *user_data);
 
        /*
         * store_metric:
@@ -197,9 +253,7 @@ typedef struct {
         * exist, an error will be reported. Else, a new entry will be created in
         * the store.
         */
-       int (*store_metric)(const char *hostname, const char *name,
-                       sdb_metric_store_t *store, sdb_time_t last_update,
-                       sdb_object_t *user_data);
+       int (*store_metric)(sdb_store_metric_t *metric, sdb_object_t *user_data);
 
        /*
         * store_attribute:
@@ -209,31 +263,7 @@ typedef struct {
         * exist, an error will be reported. Else, a new entry will be created in
         * the store.
         */
-       int (*store_attribute)(const char *hostname,
-                       const char *key, const sdb_data_t *value, sdb_time_t last_update,
-                       sdb_object_t *user_data);
-
-       /*
-        * store_service_attr:
-        * Add/update a service's attribute in the store. If the attribute,
-        * identified by its key, already exists for the specified service, it
-        * will be updated to the specified value. If the references service (for
-        * the specified host) does not exist, an error will be reported.
-        */
-       int (*store_service_attr)(const char *hostname, const char *service,
-                       const char *key, const sdb_data_t *value, sdb_time_t last_update,
-                       sdb_object_t *user_data);
-
-       /*
-        * store_metric_attr:
-        * Add/update a metric's attribute in the store. If the attribute,
-        * identified by its key, already exists for the specified metric, it will
-        * be updated to the specified value. If the references metric (for the
-        * specified host) does not exist, an error will be reported.
-        */
-       int (*store_metric_attr)(const char *hostname, const char *metric,
-                       const char *key, const sdb_data_t *value, sdb_time_t last_update,
-                       sdb_object_t *user_data);
+       int (*store_attribute)(sdb_store_attribute_t *attr, sdb_object_t *user_data);
 } sdb_store_writer_t;
 
 /*