index e09483ff7ed283f0ec65c8ac89823d6323c3cc1b..68ee3aa1aae42e73212610a49eb48658b8343e9e 100644 (file)
--- a/src/include/core/store.h
+++ b/src/include/core/store.h
extern "C" {
#endif
+/*
+ * Store object types.
+ */
+enum {
+ SDB_HOST = 1,
+ SDB_SERVICE,
+ SDB_ATTRIBUTE,
+};
+#define SDB_STORE_TYPE_TO_NAME(t) \
+ (((t) == SDB_HOST) ? "host" \
+ : ((t) == SDB_SERVICE) ? "service" \
+ : ((t) == SDB_ATTRIBUTE) ? "attribute" : "unknown")
+
+
/*
* sdb_store_base_t represents the super-class of any object stored in the
* database. It inherits from sdb_object_t and may safely be cast to a generic
sdb_time_t last_update);
/*
- * Store matchers may be used to lookup objects from the host based on their
- * various attributes. Each type of matcher evaluates attributes of the
- * respective object type.
+ * Store matchers may be used to lookup hosts from the store based on their
+ * various attributes. Service and attribute matchers are applied to a host's
+ * services and attributes and evaluate to true if *any* service or attribute
+ * matches.
*
* For each matcher object, *all* specified attributes have to match.
*
typedef struct sdb_store_matcher sdb_store_matcher_t;
#define SDB_STORE_MATCHER(obj) ((sdb_store_matcher_t *)(obj))
+/*
+ * 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.
+ */
+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 name or value. Either
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_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.
int
sdb_store_matcher_matches(sdb_store_matcher_t *m, sdb_store_base_t *obj);
+/*
+ * sdb_store_matcher_tostring:
+ * Format a matcher object as string. This is meant for logging or debugging
+ * purposes.
+ */
+char *
+sdb_store_matcher_tostring(sdb_store_matcher_t *m, char *buf, size_t buflen);
+
/*
* sdb_store_lookup_cb:
* Lookup callback. It is called for each matching object when looking up data
SDB_SKIP_ATTRIBUTES = 1 << 0,
SDB_SKIP_SERVICES = 1 << 1,
SDB_SKIP_SERVICE_ATTRIBUTES = 1 << 2,
+
+ SDB_SKIP_ALL = 0xffff,
};
/*