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Diffstat (limited to 'utils/open-isns/db.h')
| -rw-r--r-- | utils/open-isns/db.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/utils/open-isns/db.h b/utils/open-isns/db.h deleted file mode 100644 index 148d930..0000000 --- a/utils/open-isns/db.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * iSNS object database - * - * Copyright (C) 2007 Olaf Kirch <olaf.kirch@oracle.com> - */ - -#ifndef ISNS_DB_H -#define ISNS_DB_H - -#include "attrs.h" - -typedef struct isns_db_backend isns_db_backend_t; - -/* - * In-memory portion of object database. - * Stable storage is provided by different - * backends. - */ -struct isns_db { - isns_object_list_t * id_objects; - isns_object_list_t __id_objects; - - isns_relation_soup_t * id_relations; - - uint32_t id_last_eid; - uint32_t id_last_index; - - isns_scope_t * id_global_scope; - isns_scope_t * id_default_scope; - - isns_db_backend_t * id_backend; - - unsigned int id_in_transaction : 1; - struct isns_db_trans * id_transact; - - /* This is for objects in limbo. When a client - * calls DevAttrDereg, the object will first be - * placed on the id_deferred list. - * When we're done processing the message, we - * invoke isns_db_purge, which looks at these - * objects. - * - if the reference count is 1, the object - * is deleted. - * - otherwise, we assume the object is referenced - * by a discovery domain. In this case, we prune - * the attribute list down to the key attr(s) - * plus the index attribute, and move it to - * the id_limbo list. - */ - isns_object_list_t id_deferred; - isns_object_list_t id_limbo; -}; - - -struct isns_db_backend { - char * idb_name; - - int (*idb_reload)(isns_db_t *); - int (*idb_sync)(isns_db_t *); - int (*idb_store)(isns_db_t *, - const isns_object_t *); - int (*idb_remove)(isns_db_t *, - const isns_object_t *); -}; - -extern isns_db_backend_t *isns_create_file_db_backend(const char *); -extern isns_object_t * __isns_db_get_next(const isns_object_list_t *, - isns_object_template_t *, - const isns_attr_list_t *, - const isns_attr_list_t *); - -extern isns_relation_soup_t *isns_relation_soup_alloc(void); -extern isns_relation_t *isns_create_relation(isns_object_t *relating_object, - unsigned int relation_type, - isns_object_t *subordinate_object1, - isns_object_t *subordinate_object2); -extern void isns_relation_sever(isns_relation_t *); -extern void isns_relation_release(isns_relation_t *); -extern void isns_relation_add(isns_relation_soup_t *, - isns_relation_t *); -extern void isns_relation_remove(isns_relation_soup_t *, - isns_relation_t *); -extern isns_object_t * isns_relation_get_other(const isns_relation_t *, - const isns_object_t *); -extern isns_relation_t *isns_relation_find_edge(isns_relation_soup_t *, - const isns_object_t *, - const isns_object_t *, - unsigned int); -extern void isns_relation_halfspace(isns_relation_soup_t *, - const isns_object_t *, - unsigned int, - isns_object_list_t *); -extern void isns_relation_get_edge_objects(isns_relation_soup_t *, - const isns_object_t *, - unsigned int, - isns_object_list_t *); -extern int isns_relation_exists(isns_relation_soup_t *, - const isns_object_t *relating_object, - const isns_object_t *left, - const isns_object_t *right, - unsigned int relation_type); -extern int isns_relation_is_dead(const isns_relation_t *); - -extern void isns_db_create_relation(isns_db_t *db, - isns_object_t *relating_object, - unsigned int relation_type, - isns_object_t *subordinate_object1, - isns_object_t *subordinate_object2); -extern void isns_db_get_relationship_objects(isns_db_t *, - const isns_object_t *, - unsigned int relation_type, - isns_object_list_t *); -extern isns_object_t * isns_db_get_relationship_object(isns_db_t *, - const isns_object_t *, - const isns_object_t *, - unsigned int relation_type); -extern int isns_db_relation_exists(isns_db_t *db, - const isns_object_t *relating_object, - const isns_object_t *left, - const isns_object_t *right, - unsigned int relation_type); -extern int isns_db_create_pg_relation(isns_db_t *, - isns_object_t *); - -extern isns_scope_t * isns_scope_for_call(isns_db_t *, const isns_simple_t *); -extern isns_scope_t * isns_scope_alloc(isns_db_t *); -extern void isns_scope_release(isns_scope_t *); -extern void isns_scope_add(isns_scope_t *, - isns_object_t *); -extern int isns_scope_remove(isns_scope_t *, - isns_object_t *); -extern int isns_scope_gang_lookup(isns_scope_t *, - isns_object_template_t *, - const isns_attr_list_t *, - isns_object_list_t *); -extern isns_object_t * isns_scope_get_next(isns_scope_t *, - isns_object_template_t *, - const isns_attr_list_t *current, - const isns_attr_list_t *scope); -extern void isns_scope_get_related(isns_scope_t *, - const isns_object_t *, - unsigned int, - isns_object_list_t *); -extern isns_db_t * isns_scope_get_db(const isns_scope_t *); - - -#endif /* ISNS_DB_H */ |