X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcore%2Fstore-private.h;h=550668db2ebd1259818411c8a7fe7e769e8012db;hb=643b6cdd66f789baac6a4f13d1466f7688e22670;hp=f33768579575524857b9991376b55c2262364439;hpb=c659b3f0b772cd479654eb41be2a4d71965d2795;p=sysdb.git

diff --git a/src/core/store-private.h b/src/core/store-private.h
index f337685..550668d 100644
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
@@ -33,6 +33,7 @@
 #define SDB_CORE_STORE_PRIVATE_H 1
 
 #include "core/store.h"
+#include "utils/avltree.h"
 
 #include <sys/types.h>
 #include <regex.h>
@@ -41,7 +42,11 @@
 extern "C" {
 #endif
 
-struct sdb_store_base {
+/*
+ * core types
+ */
+
+struct sdb_store_obj {
 	sdb_object_t super;
 
 	/* object type */
@@ -50,47 +55,123 @@ struct sdb_store_base {
 	/* common meta information */
 	sdb_time_t last_update;
 	sdb_time_t interval; /* moving average */
-	sdb_store_base_t *parent;
+	char **backends;
+	size_t backends_num;
+	sdb_store_obj_t *parent;
 };
-#define STORE_BASE(obj) ((sdb_store_base_t *)(obj))
-#define STORE_CONST_BASE(obj) ((const sdb_store_base_t *)(obj))
+#define STORE_OBJ(obj) ((sdb_store_obj_t *)(obj))
+#define STORE_CONST_OBJ(obj) ((const sdb_store_obj_t *)(obj))
 
 typedef struct {
-	sdb_store_base_t super;
+	sdb_store_obj_t super;
 
 	sdb_data_t value;
 } sdb_attribute_t;
-#define SDB_ATTR(obj) ((sdb_attribute_t *)(obj))
-#define SDB_CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+#define ATTR(obj) ((sdb_attribute_t *)(obj))
+#define CONST_ATTR(obj) ((const sdb_attribute_t *)(obj))
+
+typedef struct {
+	sdb_store_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))
+
+typedef struct {
+	sdb_store_obj_t super;
+
+	sdb_avltree_t *attributes;
+	struct {
+		char *type;
+		char *id;
+	} store;
+} sdb_metric_t;
+#define METRIC(obj) ((sdb_metric_t *)(obj))
 
 typedef struct {
-	sdb_store_base_t super;
+	sdb_store_obj_t super;
 
-	sdb_llist_t *children;
-	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))
+	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))
 
-/* shortcuts for accessing the sdb_store_obj_t attributes
- * of inheriting objects */
+/* shortcuts for accessing service/host attributes */
 #define _last_update super.last_update
 #define _interval super.interval
 
+/*
+ * expressions
+ */
+enum {
+	ATTR_VALUE  = -2, /* attr name stored in data.data.string */
+	FIELD_VALUE = -1, /* field type stored in data.data.integer */
+	/*  0: const value (stored in data) */
+	/* >0: operator id */
+};
+
+struct sdb_store_expr {
+	sdb_object_t super;
+
+	int type; /* see above */
+
+	sdb_store_expr_t *left;
+	sdb_store_expr_t *right;
+
+	sdb_data_t data;
+};
+
 /*
  * matchers
  */
 
-/* when adding to this, also update 'matchers' and 'matchers_tostring'
- * in store_lookup.c */
+/* when adding to this, also update 'MATCHER_SYM' below and 'matchers' in
+ * store_lookup.c */
 enum {
 	MATCHER_OR,
 	MATCHER_AND,
 	MATCHER_NOT,
 	MATCHER_NAME,
-	MATCHER_ATTR,
+	MATCHER_SERVICE,
+	MATCHER_METRIC,
+	MATCHER_ATTRIBUTE,
+	MATCHER_LT,
+	MATCHER_LE,
+	MATCHER_EQ,
+	MATCHER_NE,
+	MATCHER_GE,
+	MATCHER_GT,
+	MATCHER_IN,
+	MATCHER_REGEX,
+	MATCHER_NREGEX,
+	MATCHER_ISNULL,
+	MATCHER_ISNNULL,
 };
 
+#define MATCHER_SYM(t) \
+	(((t) == MATCHER_OR) ? "OR" \
+		: ((t) == MATCHER_AND) ? "AND" \
+		: ((t) == MATCHER_NOT) ? "NOT" \
+		: ((t) == MATCHER_NAME) ? "NAME" \
+		: ((t) == MATCHER_SERVICE) ? "SERVICE" \
+		: ((t) == MATCHER_METRIC) ? "METRIC" \
+		: ((t) == MATCHER_ATTRIBUTE) ? "ATTRIBUTE" \
+		: ((t) == MATCHER_LT) ? "<" \
+		: ((t) == MATCHER_LE) ? "<=" \
+		: ((t) == MATCHER_EQ) ? "=" \
+		: ((t) == MATCHER_NE) ? "!=" \
+		: ((t) == MATCHER_GE) ? ">=" \
+		: ((t) == MATCHER_GT) ? ">" \
+		: ((t) == MATCHER_IN) ? "IN" \
+		: ((t) == MATCHER_REGEX) ? "=~" \
+		: ((t) == MATCHER_NREGEX) ? "!~" \
+		: ((t) == MATCHER_ISNULL) ? "IS NULL" \
+		: ((t) == MATCHER_ISNNULL) ? "IS NOT NULL" \
+		: "UNKNOWN")
+
 /* match the name of something */
 typedef struct {
 	char    *name;
@@ -105,7 +186,7 @@ struct sdb_store_matcher {
 };
 #define M(m) ((sdb_store_matcher_t *)(m))
 
-/* logical infix operator matcher */
+/* infix operator matcher */
 typedef struct {
 	sdb_store_matcher_t super;
 
@@ -115,7 +196,7 @@ typedef struct {
 } op_matcher_t;
 #define OP_M(m) ((op_matcher_t *)(m))
 
-/* logical unary operator matcher */
+/* unary operator matcher */
 typedef struct {
 	sdb_store_matcher_t super;
 
@@ -124,6 +205,23 @@ typedef struct {
 } uop_matcher_t;
 #define UOP_M(m) ((uop_matcher_t *)(m))
 
+/* child matcher */
+typedef struct {
+	sdb_store_matcher_t super;
+	sdb_store_matcher_t *m;
+} child_matcher_t;
+#define CHILD_M(m) ((child_matcher_t *)(m))
+
+/* compare operator matcher */
+typedef struct {
+	sdb_store_matcher_t super;
+
+	/* left and right hand expressions */
+	sdb_store_expr_t *left;
+	sdb_store_expr_t *right;
+} cmp_matcher_t;
+#define CMP_M(m) ((cmp_matcher_t *)(m))
+
 /* match any type of object by it's name */
 typedef struct {
 	sdb_store_matcher_t super;
@@ -133,15 +231,11 @@ typedef struct {
 } name_matcher_t;
 #define NAME_M(m) ((name_matcher_t *)(m))
 
-/* match attributes */
 typedef struct {
 	sdb_store_matcher_t super;
-	char *name;
-	/* XXX: this needs to be more flexible;
-	 *      add support for type-specific operators */
-	string_matcher_t value;
-} attr_matcher_t;
-#define ATTR_M(m) ((attr_matcher_t *)(m))
+	sdb_store_expr_t *expr;
+} isnull_matcher_t;
+#define ISNULL_M(m) ((isnull_matcher_t *)(m))
 
 #ifdef __cplusplus
 } /* extern "C" */