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index cef3d063cf0f41f18aad997eedf92971d7cf93ac..2720db472f30abd4c853b7c1c805979749407f25 100644 (file)
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
: ((f) == SDB_FIELD_INTERVAL) ? "interval" \
: ((f) == SDB_FIELD_BACKEND) ? "backend" : "unknown")
+#define SDB_FIELD_TYPE(f) \
+ (((f) == SDB_FIELD_NAME) ? SDB_TYPE_STRING \
+ : ((f) == SDB_FIELD_LAST_UPDATE) ? SDB_TYPE_DATETIME \
+ : ((f) == SDB_FIELD_AGE) ? SDB_TYPE_DATETIME \
+ : ((f) == SDB_FIELD_INTERVAL) ? SDB_TYPE_DATETIME \
+ : ((f) == SDB_FIELD_BACKEND) ? (SDB_TYPE_ARRAY | SDB_TYPE_STRING) \
+ : -1)
+
/*
* sdb_store_clear:
* Clear the entire store and remove all stored objects.
sdb_store_expr_eval(sdb_store_expr_t *expr, sdb_store_obj_t *obj,
sdb_data_t *res, sdb_store_matcher_t *filter);
-/*
- * sdb_store_name_matcher:
- * Creates a matcher matching by the specified object type's name. If 're' is
- * true, the specified name is treated as a POSIX extended regular expression.
- * Else, the exact name has to match (case-insensitive).
- */
-sdb_store_matcher_t *
-sdb_store_name_matcher(int type, const char *name, _Bool re);
-
-/*
- * sdb_store_attr_matcher:
- * Creates a matcher matching attributes based on their value. If 're' is
- * true, the specified name is treated as a POSIX extended regular expression.
- * Else, the exact name has to match (case-insensitive).
- */
-sdb_store_matcher_t *
-sdb_store_attr_matcher(const char *name, const char *value, _Bool re);
-
/*
* sdb_store_isnull_matcher:
* Creates a matcher matching NULL values.
sdb_store_isnnull_matcher(sdb_store_expr_t *expr);
/*
- * sdb_store_child_matcher:
- * Creates a matcher matching an object's children of the specified type. It
- * matches if *any* of those children match 'm'.
+ * sdb_store_any_matcher:
+ * Creates a matcher iterating over objects of the specified type. It matches
+ * if *any* of those objects match 'm'.
+ */
+sdb_store_matcher_t *
+sdb_store_any_matcher(int type, sdb_store_matcher_t *m);
+
+/*
+ * sdb_store_all_matcher:
+ * Creates a matcher iterating over objects of the specified type. It matches
+ * if *all* of those objects match 'm'.
*/
sdb_store_matcher_t *
-sdb_store_child_matcher(int type, sdb_store_matcher_t *m);
+sdb_store_all_matcher(int type, sdb_store_matcher_t *m);
/*
* sdb_store_lt_matcher, sdb_store_le_matcher, sdb_store_eq_matcher,
* sdb_store_ge_matcher, sdb_store_gt_matcher:
- * Creates a matcher based on a conditional. The matcher matches objects for
- * which the conditional evaluates the object to compare less than, less or
- * equal, equal, greater or equal, or greater than the conditional's value
- * repsectively.
+ * Create conditional matchers comparing the values of two expressions. The
+ * matcher matches if the left expression compres less than, less or equal
+ * than, equal to, not equal to, greater or equal than, or greater than the
+ * right expression.
*/
sdb_store_matcher_t *
-sdb_store_cmp_lt(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_lt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
sdb_store_matcher_t *
-sdb_store_cmp_le(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_le_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
sdb_store_matcher_t *
-sdb_store_cmp_eq(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_eq_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
sdb_store_matcher_t *
-sdb_store_cmp_ne(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_ne_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
sdb_store_matcher_t *
-sdb_store_cmp_ge(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_ge_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
sdb_store_matcher_t *
-sdb_store_cmp_gt(sdb_store_expr_t *left, sdb_store_expr_t *right);
+sdb_store_gt_matcher(sdb_store_expr_t *left, sdb_store_expr_t *right);
/*
* sdb_store_in_matcher:
sdb_store_matcher_op_cb
sdb_store_parse_matcher_op(const char *op);
+/*
+ * sdb_store_parse_object_type:
+ * Parse the type name of a stored object.
+ *
+ * Returns:
+ * - the object type on success
+ * - a negative value else
+ */
+int
+sdb_store_parse_object_type(const char *name);
+
/*
* sdb_store_parse_object_type_plural:
* Parse the type name (plural) of a stored object.
int
sdb_store_parse_field_name(const char *name);
-/*
- * sdb_store_matcher_parse_cmp:
- * Parse a simple compare expression (<obj_type> <op> <expression>).
- *
- * Returns:
- * - a matcher object on success
- * - NULL else
- */
-sdb_store_matcher_t *
-sdb_store_matcher_parse_cmp(const char *obj_type,
- const char *op, sdb_store_expr_t *expr);
-
/*
* sdb_store_dis_matcher:
* Creates a matcher matching the disjunction (logical OR) of two matchers.
/*
* sdb_store_lookup_cb:
* Lookup callback. It is called for each matching object when looking up data
- * in the store. The lookup aborts if the callback returns non-zero.
+ * in the store passing on the lookup filter and the specified user-data. The
+ * lookup aborts early if the callback returns non-zero.
*/
-typedef int (*sdb_store_lookup_cb)(sdb_store_obj_t *obj, void *user_data);
+typedef int (*sdb_store_lookup_cb)(sdb_store_obj_t *obj,
+ sdb_store_matcher_t *filter, void *user_data);
/*
* sdb_store_scan:
- * Look up objects in the store. The specified callback function is called for
- * each object in the store matching 'm'. The function performs a full scan of
- * all hosts stored in the database. If specified, the filter will be used to
- * preselect objects for further evaluation. See the description of
- * 'sdb_store_matcher_matches' for details.
+ * Look up objects of the specified type in the store. The specified callback
+ * function is called for each object in the store matching 'm'. The function
+ * performs a full scan of all objects stored in the database. If specified,
+ * the filter will be used to preselect objects for further evaluation. See
+ * the description of 'sdb_store_matcher_matches' for details.
*
* Returns:
* - 0 on success
* - a negative value else
*/
int
-sdb_store_scan(sdb_store_matcher_t *m, sdb_store_matcher_t *filter,
+sdb_store_scan(int type, sdb_store_matcher_t *m, sdb_store_matcher_t *filter,
sdb_store_lookup_cb cb, void *user_data);
/*
sdb_store_host_tojson(sdb_store_obj_t *host, sdb_strbuf_t *buf,
sdb_store_matcher_t *filter, int flags);
-/*
- * sdb_store_iter_cb:
- * Store iterator callback. Iteration stops if the callback returns non-zero.
- */
-typedef int (*sdb_store_iter_cb)(sdb_store_obj_t *obj, void *user_data);
-
-/*
- * sdb_store_iterate:
- * Iterate the entire store, calling the specified callback for each object.
- * The user_data pointer is passed on to each call of the callback.
- *
- * Returns:
- * - 0 on success
- * - a negative value else
- */
-int
-sdb_store_iterate(sdb_store_iter_cb cb, void *user_data);
-
#ifdef __cplusplus
} /* extern "C" */
#endif