store: Simplified object update based on having hosts on the toplevel only.

[sysdb.git] / src / core / store-private.h

diff --git a/src/core/store-private.h b/src/core/store-private.h
index abd94c22f1d40dba2e097870abfb5d47b343e9f8..e501b2cd830169b2b7de01660207c976ca66f089 100644 (file)
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
@@ -34,6 +34,9 @@
 
 #include "core/store.h"
 
+#include <sys/types.h>
+#include <regex.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -46,6 +49,7 @@ struct sdb_store_base {
 
        /* common meta information */
        sdb_time_t last_update;
+       sdb_time_t interval; /* moving average */
        sdb_store_base_t *parent;
 };
 #define STORE_BASE(obj) ((sdb_store_base_t *)(obj))
@@ -62,25 +66,124 @@ typedef struct {
 typedef struct {
        sdb_store_base_t super;
 
-       sdb_llist_t *children;
+       sdb_llist_t *services;
        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))
 
-enum {
-       SDB_HOST = 1,
-       SDB_SERVICE,
-       SDB_ATTRIBUTE,
-};
-#define TYPE_TO_NAME(t) \
-       (((t) == SDB_HOST) ? "host" \
-               : ((t) == SDB_SERVICE) ? "service" \
-               : ((t) == SDB_ATTRIBUTE) ? "attribute" : "unknown")
-
 /* shortcuts for accessing the sdb_store_obj_t attributes
  * of inheriting objects */
 #define _last_update super.last_update
+#define _interval super.interval
+
+/*
+ * conditionals
+ */
+
+/* compares a store object using the specified conditional */
+typedef int (*cmp_cb)(sdb_store_base_t *, sdb_store_cond_t *);
+
+struct sdb_store_cond {
+       sdb_object_t super;
+       cmp_cb cmp;
+};
+
+typedef struct {
+       sdb_store_cond_t super;
+       char *name;
+       sdb_data_t value;
+} attr_cond_t;
+#define ATTR_C(obj) ((attr_cond_t *)(obj))
+
+/*
+ * matchers
+ */
+
+/* when adding to this, also update 'matchers' and 'matchers_tostring'
+ * in store_lookup.c */
+enum {
+       MATCHER_OR,
+       MATCHER_AND,
+       MATCHER_NOT,
+       MATCHER_NAME,
+       MATCHER_ATTR,
+       MATCHER_LT,
+       MATCHER_LE,
+       MATCHER_EQ,
+       MATCHER_GE,
+       MATCHER_GT,
+};
+
+#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_LT) ? "<" \
+               : ((t) == MATCHER_LE) ? "<=" \
+               : ((t) == MATCHER_EQ) ? "=" \
+               : ((t) == MATCHER_GE) ? ">=" \
+               : ((t) == MATCHER_GT) ? ">" \
+               : "UNKNOWN")
+
+/* match the name of something */
+typedef struct {
+       char    *name;
+       regex_t *name_re;
+} string_matcher_t;
+
+/* matcher base type */
+struct sdb_store_matcher {
+       sdb_object_t super;
+       /* type of the matcher */
+       int type;
+};
+#define M(m) ((sdb_store_matcher_t *)(m))
+
+/* infix operator matcher */
+typedef struct {
+       sdb_store_matcher_t super;
+
+       /* left and right hand operands */
+       sdb_store_matcher_t *left;
+       sdb_store_matcher_t *right;
+} op_matcher_t;
+#define OP_M(m) ((op_matcher_t *)(m))
+
+/* unary operator matcher */
+typedef struct {
+       sdb_store_matcher_t super;
+
+       /* operand */
+       sdb_store_matcher_t *op;
+} uop_matcher_t;
+#define UOP_M(m) ((uop_matcher_t *)(m))
+
+/* match any type of object by it's name */
+typedef struct {
+       sdb_store_matcher_t super;
+
+       int obj_type;
+       string_matcher_t name;
+} name_matcher_t;
+#define NAME_M(m) ((name_matcher_t *)(m))
+
+/* match attributes */
+typedef struct {
+       sdb_store_matcher_t super;
+       char *name;
+       string_matcher_t value;
+} attr_matcher_t;
+#define ATTR_M(m) ((attr_matcher_t *)(m))
+
+/* match using conditionals */
+typedef struct {
+       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" */