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index 97e8a6c2fcce7fff076b2f0275ead0a2ae42306a..2f9d96cd068b989f908ad94b88c071bbf19f3924 100644 (file)
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
*/
/*
- * private data structures used by the store module
+ * private data structures used by the memstore module
*/
#ifndef SDB_CORE_STORE_PRIVATE_H
* core types
*/
-struct sdb_store_obj {
+struct sdb_memstore_obj {
sdb_object_t super;
+#define _name super.name
/* object type */
int type;
sdb_time_t interval; /* moving average */
char **backends;
size_t backends_num;
- sdb_store_obj_t *parent;
+ sdb_memstore_obj_t *parent;
};
-#define STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
-#define STORE_CONST_OBJ(obj) ((const sdb_store_obj_t *)(obj))
+#define STORE_OBJ(obj) ((sdb_memstore_obj_t *)(obj))
+#define STORE_CONST_OBJ(obj) ((const sdb_memstore_obj_t *)(obj))
typedef struct {
- sdb_store_obj_t super;
+ sdb_memstore_obj_t super;
sdb_data_t value;
-} sdb_attribute_t;
-#define ATTR(obj) ((sdb_attribute_t *)(obj))
-#define CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+} attr_t;
+#define ATTR(obj) ((attr_t *)(obj))
+#define CONST_ATTR(obj) ((const attr_t *)(obj))
typedef struct {
- sdb_store_obj_t super;
+ sdb_memstore_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))
+} service_t;
+#define SVC(obj) ((service_t *)(obj))
+#define CONST_SVC(obj) ((const service_t *)(obj))
typedef struct {
- sdb_store_obj_t super;
+ sdb_memstore_obj_t super;
sdb_avltree_t *attributes;
struct {
char *type;
char *id;
} store;
-} sdb_metric_t;
-#define METRIC(obj) ((sdb_metric_t *)(obj))
+} metric_t;
+#define METRIC(obj) ((metric_t *)(obj))
typedef struct {
- sdb_store_obj_t super;
+ sdb_memstore_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))
+} host_t;
+#define HOST(obj) ((host_t *)(obj))
+#define CONST_HOST(obj) ((const host_t *)(obj))
/* shortcuts for accessing service/host attributes */
#define _last_update super.last_update
#define _interval super.interval
+/*
+ * querying
+ */
+
+struct sdb_memstore_query {
+ sdb_object_t super;
+ sdb_ast_node_t *ast;
+ sdb_memstore_matcher_t *matcher;
+ sdb_memstore_matcher_t *filter;
+};
+#define QUERY(m) ((sdb_memstore_query_t *)(m))
+
/*
* expressions
*/
/* >0: operator id */
};
-struct sdb_store_expr {
+struct sdb_memstore_expr {
sdb_object_t super;
int type; /* see above */
int data_type;
- sdb_store_expr_t *left;
- sdb_store_expr_t *right;
+ sdb_memstore_expr_t *left;
+ sdb_memstore_expr_t *right;
sdb_data_t data;
};
+#define CONST_EXPR(v) { SDB_OBJECT_INIT, 0, (v).type, NULL, NULL, (v) }
#define EXPR_TO_STRING(e) \
(((e)->type == TYPED_EXPR) ? "<typed>" \
: ((e)->type == ATTR_VALUE) ? "attribute" \
/* unary operators */
MATCHER_ISNULL,
- MATCHER_ISNNULL,
+ MATCHER_ISTRUE,
+ MATCHER_ISFALSE,
/* ary operators */
MATCHER_LT,
MATCHER_GT,
MATCHER_REGEX,
MATCHER_NREGEX,
+
+ /* a generic query */
+ MATCHER_QUERY,
};
#define MATCHER_SYM(t) \
: ((t) == MATCHER_ALL) ? "ALL" \
: ((t) == MATCHER_IN) ? "IN" \
: ((t) == MATCHER_ISNULL) ? "IS NULL" \
- : ((t) == MATCHER_ISNNULL) ? "IS NOT NULL" \
+ : ((t) == MATCHER_ISTRUE) ? "IS TRUE" \
+ : ((t) == MATCHER_ISFALSE) ? "IS FALSE" \
: ((t) == MATCHER_LT) ? "<" \
: ((t) == MATCHER_LE) ? "<=" \
: ((t) == MATCHER_EQ) ? "=" \
: ((t) == MATCHER_GT) ? ">" \
: ((t) == MATCHER_REGEX) ? "=~" \
: ((t) == MATCHER_NREGEX) ? "!~" \
+ : ((t) == MATCHER_QUERY) ? "QUERY" \
: "UNKNOWN")
/* matcher base type */
-struct sdb_store_matcher {
+struct sdb_memstore_matcher {
sdb_object_t super;
/* type of the matcher */
int type;
};
-#define M(m) ((sdb_store_matcher_t *)(m))
+#define M(m) ((sdb_memstore_matcher_t *)(m))
/* infix operator matcher */
typedef struct {
- sdb_store_matcher_t super;
+ sdb_memstore_matcher_t super;
/* left and right hand operands */
- sdb_store_matcher_t *left;
- sdb_store_matcher_t *right;
+ sdb_memstore_matcher_t *left;
+ sdb_memstore_matcher_t *right;
} op_matcher_t;
#define OP_M(m) ((op_matcher_t *)(m))
/* unary operator matcher */
typedef struct {
- sdb_store_matcher_t super;
+ sdb_memstore_matcher_t super;
/* operand */
- sdb_store_matcher_t *op;
+ sdb_memstore_matcher_t *op;
} uop_matcher_t;
#define UOP_M(m) ((uop_matcher_t *)(m))
/* iter matcher */
typedef struct {
- sdb_store_matcher_t super;
- int type;
- sdb_store_matcher_t *m;
+ sdb_memstore_matcher_t super;
+ sdb_memstore_expr_t *iter;
+ sdb_memstore_matcher_t *m;
} iter_matcher_t;
#define ITER_M(m) ((iter_matcher_t *)(m))
/* compare operator matcher */
typedef struct {
- sdb_store_matcher_t super;
+ sdb_memstore_matcher_t super;
/* left and right hand expressions */
- sdb_store_expr_t *left;
- sdb_store_expr_t *right;
+ sdb_memstore_expr_t *left;
+ sdb_memstore_expr_t *right;
} cmp_matcher_t;
#define CMP_M(m) ((cmp_matcher_t *)(m))
typedef struct {
- sdb_store_matcher_t super;
- sdb_store_expr_t *expr;
-} isnull_matcher_t;
-#define ISNULL_M(m) ((isnull_matcher_t *)(m))
+ sdb_memstore_matcher_t super;
+ sdb_memstore_expr_t *expr;
+} unary_matcher_t;
+#define UNARY_M(m) ((unary_matcher_t *)(m))
#ifdef __cplusplus
} /* extern "C" */