index 80975087227882a4810fbc9790a15c017b2ba2db..cde6ad0b8c2763dd15b4759b27f005b87441db5a 100644 (file)
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
sdb_store_matcher_t *service_matcher,
sdb_store_matcher_t *attr_matcher);
sdb_store_matcher_t *service_matcher,
sdb_store_matcher_t *attr_matcher);
+/*
+ * sdb_store_matcher_parse_cmp:
+ * Parse a simple compare expression (<obj_type>.<attr> <op> <value>).
+ *
+ * Returns:
+ * - a matcher object on success
+ * - NULL else
+ */
+sdb_store_matcher_t *
+sdb_store_matcher_parse_cmp(const char *obj_type, const char *attr,
+ const char *op, const char *value);
+
/*
* sdb_store_dis_matcher:
* Creates a matcher matching the disjunction (logical OR) of two matchers.
/*
* sdb_store_dis_matcher:
* Creates a matcher matching the disjunction (logical OR) of two matchers.
sdb_store_matcher_t *
sdb_store_con_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right);
sdb_store_matcher_t *
sdb_store_con_matcher(sdb_store_matcher_t *left, sdb_store_matcher_t *right);
+/*
+ * sdb_store_con_matcher::
+ * Creates a matcher matching the inverse (logical NOT) of a matcher.
+ */
+sdb_store_matcher_t *
+sdb_store_inv_matcher(sdb_store_matcher_t *m);
+
/*
* sdb_store_matcher_matches:
* Check whether the specified matcher matches the specified store object.
*
* Returns:
/*
* sdb_store_matcher_matches:
* Check whether the specified matcher matches the specified store object.
*
* Returns:
- * - 0 if the object matches
- * - a negative value else
+ * - 1 if the object matches
+ * - 0 else
*/
int
sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_base_t *obj);
*/
int
sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_base_t *obj);
+/*
+ * 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.
+ */
+typedef int (*sdb_store_lookup_cb)(sdb_store_base_t *obj, void *user_data);
+
+/*
+ * sdb_store_lookup:
+ * Look up objects in the store. The specified callback function is called for
+ * each object in the store matching 'm'.
+ *
+ * Returns:
+ * - 0 on success
+ * - a negative value else
+ */
+int
+sdb_store_lookup(sdb_store_matcher_t *m, sdb_store_lookup_cb cb,
+ void *user_data);
+
/*
* Flags for serialization functions.
*
/*
* Flags for serialization functions.
*
SDB_SKIP_ATTRIBUTES = 1 << 0,
SDB_SKIP_SERVICES = 1 << 1,
SDB_SKIP_SERVICE_ATTRIBUTES = 1 << 2,
SDB_SKIP_ATTRIBUTES = 1 << 0,
SDB_SKIP_SERVICES = 1 << 1,
SDB_SKIP_SERVICE_ATTRIBUTES = 1 << 2,
+
+ SDB_SKIP_ALL = 0xffff,
};
/*
};
/*
int
sdb_store_host_tojson(sdb_store_base_t *host, sdb_strbuf_t *buf, int flags);
int
sdb_store_host_tojson(sdb_store_base_t *host, sdb_strbuf_t *buf, 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_base_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
#ifdef __cplusplus
} /* extern "C" */
#endif