X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Fcore%2Fstore-private.h;h=550668db2ebd1259818411c8a7fe7e769e8012db;hb=b0407b546e1c61a1a5b0d955ae60911b0f05c80e;hp=abd94c22f1d40dba2e097870abfb5d47b343e9f8;hpb=ca7064277a864e8e33cf9042c693c5580727282b;p=sysdb.git

diff --git a/src/core/store-private.h b/src/core/store-private.h
index abd94c2..550668d 100644
--- a/src/core/store-private.h
+++ b/src/core/store-private.h
@@ -33,12 +33,20 @@
 #define SDB_CORE_STORE_PRIVATE_H 1
 
 #include "core/store.h"
+#include "utils/avltree.h"
+
+#include <sys/types.h>
+#include <regex.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-struct sdb_store_base {
+/*
+ * core types
+ */
+
+struct sdb_store_obj {
 	sdb_object_t super;
 
 	/* object type */
@@ -46,41 +54,188 @@ struct sdb_store_base {
 
 	/* common meta information */
 	sdb_time_t last_update;
-	sdb_store_base_t *parent;
+	sdb_time_t interval; /* moving average */
+	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_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))
 
-	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))
+/* shortcuts for accessing service/host attributes */
+#define _last_update super.last_update
+#define _interval super.interval
 
+/*
+ * expressions
+ */
 enum {
-	SDB_HOST = 1,
-	SDB_SERVICE,
-	SDB_ATTRIBUTE,
+	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 */
 };
-#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
+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 'MATCHER_SYM' below and 'matchers' in
+ * store_lookup.c */
+enum {
+	MATCHER_OR,
+	MATCHER_AND,
+	MATCHER_NOT,
+	MATCHER_NAME,
+	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;
+	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))
+
+/* 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;
+
+	int obj_type;
+	string_matcher_t name;
+} name_matcher_t;
+#define NAME_M(m) ((name_matcher_t *)(m))
+
+typedef struct {
+	sdb_store_matcher_t super;
+	sdb_store_expr_t *expr;
+} isnull_matcher_t;
+#define ISNULL_M(m) ((isnull_matcher_t *)(m))
 
 #ifdef __cplusplus
 } /* extern "C" */