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| -rw-r--r-- | servers/slapd/back-ndb/back-ndb.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/servers/slapd/back-ndb/back-ndb.h b/servers/slapd/back-ndb/back-ndb.h new file mode 100644 index 0000000..c92c3f1 --- /dev/null +++ b/servers/slapd/back-ndb/back-ndb.h @@ -0,0 +1,168 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2008-2022 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Howard Chu for inclusion + * in OpenLDAP Software. This work was sponsored by MySQL. + */ + +#ifndef SLAPD_NDB_H +#define SLAPD_NDB_H + +#include "slap.h" + +#include <mysql.h> +#include <NdbApi.hpp> + +LDAP_BEGIN_DECL + +/* The general design is to use one relational table per objectclass. This is + * complicated by objectclass inheritance and auxiliary classes though. + * + * Attributes must only occur in a single table. For objectclasses that inherit + * from other classes, attributes defined in the superior class are only stored + * in the superior class' table. When multiple unrelated classes define the same + * attributes, an attributeSet should be defined instead, containing all of the + * common attributes. + * + * The no_set table lists which other attributeSets apply to the current + * objectClass. The no_attrs table lists all of the non-inherited attributes of + * the class, including those residing in an attributeSet. + * + * Usually the table is named identically to the objectClass, but it can also + * be explicitly named something else if needed. + */ +#define NDB_MAX_OCSETS 8 + +struct ndb_attrinfo; + +typedef struct ndb_ocinfo { + struct berval no_name; /* objectclass cname */ + struct berval no_table; + ObjectClass *no_oc; + struct ndb_ocinfo *no_sets[NDB_MAX_OCSETS]; + struct ndb_attrinfo **no_attrs; + int no_flag; + int no_nsets; + int no_nattrs; +} NdbOcInfo; + +#define NDB_INFO_ATLEN 0x01 +#define NDB_INFO_ATSET 0x02 +#define NDB_INFO_INDEX 0x04 +#define NDB_INFO_ATBLOB 0x08 + +typedef struct ndb_attrinfo { + struct berval na_name; /* attribute cname */ + AttributeDescription *na_desc; + AttributeType *na_attr; + NdbOcInfo *na_oi; + int na_flag; + int na_len; + int na_column; + int na_ixcol; +} NdbAttrInfo; + +typedef struct ListNode { + struct ListNode *ln_next; + void *ln_data; +} ListNode; + +#define NDB_IS_OPEN(ni) (ni->ni_cluster != NULL) + +struct ndb_info { + /* NDB connection */ + char *ni_connectstr; + char *ni_dbname; + Ndb_cluster_connection **ni_cluster; + + /* MySQL connection parameters */ + MYSQL ni_sql; + char *ni_hostname; + char *ni_username; + char *ni_password; + char *ni_socket; + unsigned long ni_clflag; + unsigned int ni_port; + + /* Search filter processing */ + int ni_search_stack_depth; + void *ni_search_stack; + +#define DEFAULT_SEARCH_STACK_DEPTH 16 +#define MINIMUM_SEARCH_STACK_DEPTH 8 + + /* Schema config */ + NdbOcInfo *ni_opattrs; + ListNode *ni_attridxs; + ListNode *ni_attrlens; + ListNode *ni_attrsets; + ListNode *ni_attrblobs; + ldap_pvt_thread_rdwr_t ni_ai_rwlock; + Avlnode *ni_ai_tree; + ldap_pvt_thread_rdwr_t ni_oc_rwlock; + Avlnode *ni_oc_tree; + int ni_nconns; /* number of connections to open */ + int ni_nextconn; /* next conn to use */ + ldap_pvt_thread_mutex_t ni_conn_mutex; +}; + +#define NDB_MAX_RDNS 16 +#define NDB_RDN_LEN 128 +#define NDB_MAX_OCS 64 + +#define DN2ID_TABLE "OL_dn2id" +#define EID_COLUMN 0U +#define VID_COLUMN 1U +#define OCS_COLUMN 1U +#define RDN_COLUMN 2U +#define IDX_COLUMN (2U+NDB_MAX_RDNS) + +#define NEXTID_TABLE "OL_nextid" + +#define NDB_OC_BUFLEN 1026 /* 1024 data plus 2 len bytes */ + +#define INDEX_NAME "OL_index" + +typedef struct NdbRdns { + short nr_num; + char nr_buf[NDB_MAX_RDNS][NDB_RDN_LEN+1]; +} NdbRdns; + +typedef struct NdbOcs { + int no_ninfo; + int no_ntext; + int no_nitext; /* number of implicit classes */ + NdbOcInfo *no_info[NDB_MAX_OCS]; + struct berval no_text[NDB_MAX_OCS]; + struct berval no_itext[NDB_MAX_OCS]; /* implicit classes */ +} NdbOcs; + +typedef struct NdbArgs { + Ndb *ndb; + NdbTransaction *txn; + Entry *e; + NdbRdns *rdns; + struct berval *ocs; + int erdns; +} NdbArgs; + +#define NDB_NO_SUCH_OBJECT 626 +#define NDB_ALREADY_EXISTS 630 + +LDAP_END_DECL + +#include "proto-ndb.h" + +#endif |