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index cda98357cadaa114e0af20f956f9927dc7e9cf49..c6350b3530c4a2518ce0a515da601c1256768700 100644 (file)
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
#define SDB_CORE_STORE_PRIVATE_H 1
#include "core/store.h"
+#include "utils/avltree.h"
#include <sys/types.h>
#include <regex.h>
extern "C" {
#endif
-struct sdb_store_base {
+/*
+ * core types
+ */
+
+struct sdb_store_obj {
sdb_object_t super;
/* object type */
/* 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_base_t super;
+ sdb_store_obj_t super;
- sdb_llist_t *children;
- 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 *attributes;
+ struct {
+ char *type;
+ char *id;
+ } store;
+} sdb_metric_t;
+#define METRIC(obj) ((sdb_metric_t *)(obj))
-/* shortcuts for accessing the sdb_store_obj_t attributes
- * of inheriting objects */
+typedef struct {
+ sdb_store_obj_t super;
+
+ 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 service/host attributes */
#define _last_update super.last_update
#define _interval super.interval
+/*
+ * expressions
+ */
+enum {
+ ATTR_VALUE = -2, /* attr name stored in data.data.string */
+ FIELD_VALUE = -1, /* field type stored in data.data.integer */
+ /* 0: const value (stored in data) */
+ /* >0: operator id */
+};
+
+struct sdb_store_expr {
+ sdb_object_t super;
+
+ int type; /* see above */
+
+ sdb_store_expr_t *left;
+ sdb_store_expr_t *right;
+
+ sdb_data_t data;
+};
+
+/*
+ * conditionals
+ */
+
+/* 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;
+ cmp_cb cmp;
+};
+
+typedef struct {
+ sdb_store_cond_t super;
+ char *name;
+ 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
*/
-/* when adding to this, also update 'matchers' and 'matchers_tostring'
- * in store_lookup.c */
+/* when adding to this, also update 'MATCHER_SYM' below and 'matchers' in
+ * store_lookup.c */
enum {
MATCHER_OR,
MATCHER_AND,
MATCHER_NAME,
MATCHER_ATTR,
MATCHER_SERVICE,
- MATCHER_HOST,
+ MATCHER_METRIC,
+ MATCHER_ATTRIBUTE,
+ MATCHER_LT,
+ MATCHER_LE,
+ MATCHER_EQ,
+ MATCHER_GE,
+ MATCHER_GT,
+ MATCHER_CMP_LT,
+ MATCHER_CMP_LE,
+ MATCHER_CMP_EQ,
+ MATCHER_CMP_NE,
+ MATCHER_CMP_GE,
+ MATCHER_CMP_GT,
+ MATCHER_IN,
+ MATCHER_REGEX,
+ MATCHER_NREGEX,
+ MATCHER_ISNULL,
+ MATCHER_ISNNULL,
};
+#define MATCHER_SYM(t) \
+ (((t) == MATCHER_OR) ? "OR" \
+ : ((t) == MATCHER_AND) ? "AND" \
+ : ((t) == MATCHER_NOT) ? "NOT" \
+ : ((t) == MATCHER_NAME) ? "NAME" \
+ : ((t) == MATCHER_ATTR) ? "ATTR" \
+ : ((t) == MATCHER_SERVICE) ? "SERVICE" \
+ : ((t) == MATCHER_METRIC) ? "METRIC" \
+ : ((t) == MATCHER_ATTRIBUTE) ? "ATTRIBUTE" \
+ : ((t) == MATCHER_LT) ? "<" \
+ : ((t) == MATCHER_LE) ? "<=" \
+ : ((t) == MATCHER_EQ) ? "=" \
+ : ((t) == MATCHER_CMP_NE) ? "!=" \
+ : ((t) == MATCHER_GE) ? ">=" \
+ : ((t) == MATCHER_GT) ? ">" \
+ : ((t) == MATCHER_IN) ? "IN" \
+ : ((t) == MATCHER_REGEX) ? "=~" \
+ : ((t) == MATCHER_NREGEX) ? "!~" \
+ : ((t) == MATCHER_ISNULL) ? "IS NULL" \
+ : ((t) == MATCHER_ISNNULL) ? "IS NOT NULL" \
+ : "UNKNOWN")
+
/* match the name of something */
typedef struct {
char *name;
regex_t *name_re;
-} name_matcher_t;
+} string_matcher_t;
/* matcher base type */
struct sdb_store_matcher {
};
#define M(m) ((sdb_store_matcher_t *)(m))
-/* logical infix operator matcher */
+/* infix operator matcher */
typedef struct {
sdb_store_matcher_t super;
} op_matcher_t;
#define OP_M(m) ((op_matcher_t *)(m))
-/* logical unary operator matcher */
+/* unary operator matcher */
typedef struct {
sdb_store_matcher_t super;
} uop_matcher_t;
#define UOP_M(m) ((uop_matcher_t *)(m))
+/* child matcher */
+typedef struct {
+ sdb_store_matcher_t super;
+ sdb_store_matcher_t *m;
+} child_matcher_t;
+#define CHILD_M(m) ((child_matcher_t *)(m))
+
+/* compare operator matcher */
+typedef struct {
+ sdb_store_matcher_t super;
+
+ /* left and right hand expressions */
+ sdb_store_expr_t *left;
+ sdb_store_expr_t *right;
+} cmp_matcher_t;
+#define CMP_M(m) ((cmp_matcher_t *)(m))
+
/* match any type of object by it's name */
typedef struct {
sdb_store_matcher_t super;
int obj_type;
-
- /* match by the name of the object */
- name_matcher_t name;
-} obj_matcher_t;
-#define OBJ_M(m) ((obj_matcher_t *)(m))
+ string_matcher_t name;
+} name_matcher_t;
+#define NAME_M(m) ((name_matcher_t *)(m))
/* match attributes */
typedef struct {
- obj_matcher_t super;
- /* XXX: this needs to be more flexible;
- * add support for type-specific operators */
- name_matcher_t value;
+ sdb_store_matcher_t super;
+ char *name;
+ string_matcher_t value;
} attr_matcher_t;
#define ATTR_M(m) ((attr_matcher_t *)(m))
-/* match services */
typedef struct {
- obj_matcher_t super;
- /* match by attributes assigned to the service */
- attr_matcher_t *attr;
-} service_matcher_t;
-#define SERVICE_M(m) ((service_matcher_t *)(m))
+ sdb_store_matcher_t super;
+ sdb_store_expr_t *expr;
+} isnull_matcher_t;
+#define ISNULL_M(m) ((isnull_matcher_t *)(m))
-/* match hosts */
+/* match using conditionals */
typedef struct {
- obj_matcher_t super;
- /* match by services assigned to the host */
- service_matcher_t *service;
- /* match by attributes assigned to the host */
- attr_matcher_t *attr;
-} host_matcher_t;
-#define HOST_M(m) ((host_matcher_t *)(m))
+ sdb_store_matcher_t super;
+ sdb_store_cond_t *cond;
+} cond_matcher_t;
+#define COND_M(m) ((cond_matcher_t *)(m))
#ifdef __cplusplus
} /* extern "C" */