store: Added core support for “metrics” objects.

[sysdb.git] / src / core / store-private.h

diff --git a/src/core/store-private.h b/src/core/store-private.h
index e501b2cd830169b2b7de01660207c976ca66f089..3c23ebbb5ad102cdff7794f285a508d4be14b741 100644 (file)
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
@@ -33,6 +33,7 @@
 #define SDB_CORE_STORE_PRIVATE_H 1
 
 #include "core/store.h"
+#include "utils/avltree.h"
 
 #include <sys/types.h>
 #include <regex.h>
@@ -41,7 +42,11 @@
 extern "C" {
 #endif
 
-struct sdb_store_base {
+/*
+ * core types
+ */
+
+struct sdb_store_obj {
        sdb_object_t super;
 
        /* object type */
@@ -50,30 +55,47 @@ struct sdb_store_base {
        /* common meta information */
        sdb_time_t last_update;
        sdb_time_t interval; /* moving average */
-       sdb_store_base_t *parent;
+       char **backends;
+       size_t backends_num;
+       sdb_store_obj_t *parent;
 };
-#define STORE_BASE(obj) ((sdb_store_base_t *)(obj))
-#define STORE_CONST_BASE(obj) ((const sdb_store_base_t *)(obj))
+#define STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
+#define STORE_CONST_OBJ(obj) ((const sdb_store_obj_t *)(obj))
 
 typedef struct {
-       sdb_store_base_t super;
+       sdb_store_obj_t super;
 
        sdb_data_t value;
 } sdb_attribute_t;
-#define SDB_ATTR(obj) ((sdb_attribute_t *)(obj))
-#define SDB_CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+#define ATTR(obj) ((sdb_attribute_t *)(obj))
+#define CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+
+typedef struct {
+       sdb_store_obj_t super;
+
+       sdb_avltree_t *attributes;
+} sdb_service_t;
+#define SVC(obj) ((sdb_service_t *)(obj))
+#define CONST_SVC(obj) ((const sdb_service_t *)(obj))
+
+typedef struct {
+       sdb_store_obj_t super;
+
+       sdb_avltree_t *attributes;
+} sdb_metric_t;
+#define METRIC(obj) ((sdb_metric_t *)(obj))
 
 typedef struct {
-       sdb_store_base_t super;
+       sdb_store_obj_t super;
 
-       sdb_llist_t *services;
-       sdb_llist_t *attributes;
-} sdb_store_obj_t;
-#define SDB_STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
-#define SDB_CONST_STORE_OBJ(obj) ((const sdb_store_obj_t *)(obj))
+       sdb_avltree_t *services;
+       sdb_avltree_t *metrics;
+       sdb_avltree_t *attributes;
+} sdb_host_t;
+#define HOST(obj) ((sdb_host_t *)(obj))
+#define CONST_HOST(obj) ((const sdb_host_t *)(obj))
 
-/* shortcuts for accessing the sdb_store_obj_t attributes
- * of inheriting objects */
+/* shortcuts for accessing service/host attributes */
 #define _last_update super.last_update
 #define _interval super.interval
 
@@ -81,8 +103,10 @@ typedef struct {
  * conditionals
  */
 
-/* compares a store object using the specified conditional */
-typedef int (*cmp_cb)(sdb_store_base_t *, sdb_store_cond_t *);
+/* compares an object using the specified conditional and taking the specified
+ * filter into account */
+typedef int (*cmp_cb)(sdb_store_obj_t *, sdb_store_cond_t *,
+               sdb_store_matcher_t *);
 
 struct sdb_store_cond {
        sdb_object_t super;
@@ -92,10 +116,17 @@ struct sdb_store_cond {
 typedef struct {
        sdb_store_cond_t super;
        char *name;
-       sdb_data_t value;
+       sdb_store_expr_t *expr;
 } attr_cond_t;
 #define ATTR_C(obj) ((attr_cond_t *)(obj))
 
+typedef struct {
+       sdb_store_cond_t super;
+       int field;
+       sdb_store_expr_t *expr;
+} obj_cond_t;
+#define OBJ_C(obj) ((obj_cond_t *)(obj))
+
 /*
  * matchers
  */
@@ -113,6 +144,7 @@ enum {
        MATCHER_EQ,
        MATCHER_GE,
        MATCHER_GT,
+       MATCHER_ISNULL,
 };
 
 #define MATCHER_SYM(t) \
@@ -126,6 +158,7 @@ enum {
                : ((t) == MATCHER_EQ) ? "=" \
                : ((t) == MATCHER_GE) ? ">=" \
                : ((t) == MATCHER_GT) ? ">" \
+               : ((t) == MATCHER_ISNULL) ? "IS NULL" \
                : "UNKNOWN")
 
 /* match the name of something */
@@ -178,6 +211,12 @@ typedef struct {
 } attr_matcher_t;
 #define ATTR_M(m) ((attr_matcher_t *)(m))
 
+typedef struct {
+       sdb_store_matcher_t super;
+       char *attr_name; /* we only support matching attributes */
+} isnull_matcher_t;
+#define ISNULL_M(m) ((isnull_matcher_t *)(m))
+
 /* match using conditionals */
 typedef struct {
        sdb_store_matcher_t super;