X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-bdb%2Fback-bdb.h;h=f34dec90e45602fc8f558b25eea391e834af6c6c;hb=ee3f05000055619ec6d4eee48b57fa5cb6085127;hp=1146546160c98f8e02fca754cf242ed102190ec2;hpb=76dd6bb6da6fbe1a97954a38a0aad76b9e42431a;p=openldap diff --git a/servers/slapd/back-bdb/back-bdb.h b/servers/slapd/back-bdb/back-bdb.h index 1146546160..f34dec90e4 100644 --- a/servers/slapd/back-bdb/back-bdb.h +++ b/servers/slapd/back-bdb/back-bdb.h @@ -1,8 +1,17 @@ /* back-bdb.h - bdb back-end header file */ /* $OpenLDAP$ */ -/* - * Copyright 2000-2003 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 2000-2011 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 + * . */ #ifndef _BACK_BDB_H_ @@ -11,10 +20,11 @@ #include #include "slap.h" #include +#include "alock.h" LDAP_BEGIN_DECL -#define BDB_SUBENTRIES 1 +#define DB_VERSION_FULL ((DB_VERSION_MAJOR << 24) | (DB_VERSION_MINOR << 16) | DB_VERSION_PATCH) #define DN_BASE_PREFIX SLAP_INDEX_EQUALITY_PREFIX #define DN_ONE_PREFIX '%' @@ -30,14 +40,6 @@ LDAP_BEGIN_DECL #define BDB_MAX_ADD_LOOP 30 -#define BDB_ALIASES 1 - -#ifdef BDB_SUBDIRS -#define BDB_TMP_SUBDIR "tmp" -#define BDB_LG_SUBDIR "log" -#define BDB_DATA_SUBDIR "data" -#endif - #define BDB_SUFFIX ".bdb" #define BDB_ID2ENTRY 0 #define BDB_DN2ID 1 @@ -52,10 +54,6 @@ LDAP_BEGIN_DECL #define BDB_ID2ENTRY_PAGESIZE 16384 #endif -#ifndef BDB_PAGESIZE -#define BDB_PAGESIZE 4096 /* BDB's original default */ -#endif - #define DEFAULT_CACHE_SIZE 1000 /* The default search IDL stack cache depth */ @@ -64,29 +62,37 @@ LDAP_BEGIN_DECL /* The minimum we can function with */ #define MINIMUM_SEARCH_STACK_DEPTH 8 -/* for the IDL cache */ -#define SLAP_IDL_CACHE 1 - -#ifdef SLAP_IDL_CACHE typedef struct bdb_idl_cache_entry_s { struct berval kstr; - ldap_pvt_thread_rdwr_t idl_entry_rwlock; ID *idl; DB *db; + int idl_flags; struct bdb_idl_cache_entry_s* idl_lru_prev; struct bdb_idl_cache_entry_s* idl_lru_next; } bdb_idl_cache_entry_t; -#endif /* BDB backend specific entry info */ typedef struct bdb_entry_info { struct bdb_entry_info *bei_parent; ID bei_id; - int bei_state; + /* we use the bei_id as a lockobj, but we need to make the size != 4 + * to avoid conflicting with BDB's internal locks. So add a byte here + * that is always zero. + */ + short bei_lockpad; + + short bei_state; #define CACHE_ENTRY_DELETED 1 #define CACHE_ENTRY_NO_KIDS 2 #define CACHE_ENTRY_NOT_LINKED 4 +#define CACHE_ENTRY_NO_GRANDKIDS 8 +#define CACHE_ENTRY_LOADING 0x10 +#define CACHE_ENTRY_WALKING 0x20 +#define CACHE_ENTRY_ONELEVEL 0x40 +#define CACHE_ENTRY_REFERENCED 0x80 +#define CACHE_ENTRY_NOT_CACHED 0x100 + int bei_finders; /* * remaining fields require backend cache lock to access @@ -100,6 +106,10 @@ typedef struct bdb_entry_info { #endif Entry *bei_e; Avlnode *bei_kids; +#ifdef SLAP_ZONE_ALLOC + struct bdb_info *bei_bdb; + int bei_zseq; +#endif ldap_pvt_thread_mutex_t bei_kids_mutex; struct bdb_entry_info *bei_lrunext; /* for cache lru list */ @@ -110,14 +120,26 @@ typedef struct bdb_entry_info { /* for the in-core cache of entries */ typedef struct bdb_cache { - int c_maxsize; - int c_cursize; - EntryInfo c_dntree; - Avlnode *c_idtree; + EntryInfo *c_eifree; /* free list */ + Avlnode *c_idtree; EntryInfo *c_lruhead; /* lru - add accessed entries here */ EntryInfo *c_lrutail; /* lru - rem lru entries from here */ + EntryInfo c_dntree; + ID c_maxsize; + ID c_cursize; + ID c_minfree; + ID c_eimax; + ID c_eiused; /* EntryInfo's in use */ + ID c_leaves; /* EntryInfo leaf nodes */ + int c_purging; + DB_TXN *c_txn; /* used by lru cleaner */ ldap_pvt_thread_rdwr_t c_rwlock; - ldap_pvt_thread_mutex_t lru_mutex; + ldap_pvt_thread_mutex_t c_lru_mutex; + ldap_pvt_thread_mutex_t c_count_mutex; + ldap_pvt_thread_mutex_t c_eifree_mutex; +#ifdef SLAP_ZONE_ALLOC + void *c_zctx; +#endif } Cache; #define CACHE_READ_LOCK 0 @@ -126,10 +148,28 @@ typedef struct bdb_cache { #define BDB_INDICES 128 struct bdb_db_info { - char *bdi_name; + struct berval bdi_name; DB *bdi_db; }; +struct bdb_db_pgsize { + struct bdb_db_pgsize *bdp_next; + struct berval bdp_name; + int bdp_size; +}; + +#ifdef LDAP_DEVEL +#define BDB_MONITOR_IDX +#endif /* LDAP_DEVEL */ + +typedef struct bdb_monitor_t { + void *bdm_cb; + struct berval bdm_ndn; +} bdb_monitor_t; + +/* From ldap_rq.h */ +struct re_s; + struct bdb_info { DB_ENV *bi_dbenv; @@ -140,51 +180,86 @@ struct bdb_info { int bi_dbenv_mode; int bi_ndatabases; + int bi_db_opflags; /* db-specific flags */ struct bdb_db_info **bi_databases; ldap_pvt_thread_mutex_t bi_database_mutex; - int bi_db_opflags; /* db-specific flags */ + struct bdb_db_pgsize *bi_pagesizes; slap_mask_t bi_defaultmask; Cache bi_cache; - Avlnode *bi_attrs; + struct bdb_attrinfo **bi_attrs; + int bi_nattrs; void *bi_search_stack; int bi_search_stack_depth; + int bi_linear_index; int bi_txn_cp; u_int32_t bi_txn_cp_min; u_int32_t bi_txn_cp_kbyte; + struct re_s *bi_txn_cp_task; + struct re_s *bi_index_task; - int bi_lock_detect; + u_int32_t bi_lock_detect; long bi_shm_key; ID bi_lastid; ldap_pvt_thread_mutex_t bi_lastid_mutex; - LDAP_LIST_HEAD(pl, slap_op) bi_psearch_list; -#ifdef SLAP_IDL_CACHE - int bi_idl_cache_max_size; - int bi_idl_cache_size; + ID bi_idl_cache_max_size; + ID bi_idl_cache_size; Avlnode *bi_idl_tree; bdb_idl_cache_entry_t *bi_idl_lru_head; bdb_idl_cache_entry_t *bi_idl_lru_tail; ldap_pvt_thread_rdwr_t bi_idl_tree_rwlock; ldap_pvt_thread_mutex_t bi_idl_tree_lrulock; + alock_info_t bi_alock_info; + char *bi_db_config_path; + BerVarray bi_db_config; + char *bi_db_crypt_file; + struct berval bi_db_crypt_key; + bdb_monitor_t bi_monitor; + +#ifdef BDB_MONITOR_IDX + ldap_pvt_thread_mutex_t bi_idx_mutex; + Avlnode *bi_idx; +#endif /* BDB_MONITOR_IDX */ + + int bi_flags; +#define BDB_IS_OPEN 0x01 +#define BDB_HAS_CONFIG 0x02 +#define BDB_UPD_CONFIG 0x04 +#define BDB_DEL_INDEX 0x08 +#define BDB_RE_OPEN 0x10 +#define BDB_CHKSUM 0x20 +#ifdef BDB_HIER + int bi_modrdns; /* number of modrdns completed */ + ldap_pvt_thread_mutex_t bi_modrdns_mutex; #endif }; #define bi_id2entry bi_databases[BDB_ID2ENTRY] #define bi_dn2id bi_databases[BDB_DN2ID] + +struct bdb_lock_info { + struct bdb_lock_info *bli_next; + DB_LOCK bli_lock; + ID bli_id; + int bli_flag; +}; +#define BLI_DONTFREE 1 + struct bdb_op_info { - BackendDB* boi_bdb; + OpExtra boi_oe; DB_TXN* boi_txn; - DB_LOCK boi_lock; /* used when no txn */ + struct bdb_lock_info *boi_locks; /* used when no txn */ u_int32_t boi_err; - u_int32_t boi_locker; - int boi_acl_cache; + char boi_acl_cache; + char boi_flag; }; +#define BOI_DONTFREE 1 #define DB_OPEN(db, file, name, type, flags, mode) \ - (db)->open(db, file, name, type, flags, mode) + ((db)->open)(db, file, name, type, flags, mode) #if DB_VERSION_MAJOR < 4 #define LOCK_DETECT(env,f,t,a) lock_detect(env, f, t, a) @@ -212,22 +287,91 @@ struct bdb_op_info { #define XLOCK_ID_FREE(env, locker) (env)->lock_id_free(env, locker) /* BDB 4.1.17 adds txn arg to db->open */ -#if DB_VERSION_MINOR > 1 || DB_VERSION_PATCH >= 17 +#if DB_VERSION_FULL >= 0x04010011 #undef DB_OPEN #define DB_OPEN(db, file, name, type, flags, mode) \ - (db)->open(db, NULL, file, name, type, (flags)|DB_AUTO_COMMIT, mode) + ((db)->open)(db, NULL, file, name, type, flags, mode) #endif +/* #undef BDB_LOG_DEBUG */ + +#ifdef BDB_LOG_DEBUG + +/* env->log_printf appeared in 4.4 */ +#if DB_VERSION_FULL >= 0x04040000 +#define BDB_LOG_PRINTF(env,txn,fmt,...) (env)->log_printf((env),(txn),(fmt),__VA_ARGS__) +#else +extern int __db_logmsg(const DB_ENV *env, DB_TXN *txn, const char *op, u_int32_t flags, + const char *fmt,...); +#define BDB_LOG_PRINTF(env,txn,fmt,...) __db_logmsg((env),(txn),"DIAGNOSTIC",0,(fmt),__VA_ARGS__) #endif -#define BDB_REUSE_LOCKERS +/* !BDB_LOG_DEBUG */ +#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ + (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__STRICT_ANSI__)) +#define BDB_LOG_PRINTF(a,b,c,...) +#else +#define BDB_LOG_PRINTF (void) /* will evaluate and discard the arguments */ + +#endif /* BDB_LOG_DEBUG */ + +#endif + +#ifndef DB_BUFFER_SMALL +#define DB_BUFFER_SMALL ENOMEM +#endif #define BDB_CSN_COMMIT 0 #define BDB_CSN_ABORT 1 #define BDB_CSN_RETRY 2 +/* Copy an ID "src" to pointer "dst" in big-endian byte order */ +#define BDB_ID2DISK( src, dst ) \ + do { int i0; ID tmp; unsigned char *_p; \ + tmp = (src); _p = (unsigned char *)(dst); \ + for ( i0=sizeof(ID)-1; i0>=0; i0-- ) { \ + _p[i0] = tmp & 0xff; tmp >>= 8; \ + } \ + } while(0) + +/* Copy a pointer "src" to a pointer "dst" from big-endian to native order */ +#define BDB_DISK2ID( src, dst ) \ + do { unsigned i0; ID tmp = 0; unsigned char *_p; \ + _p = (unsigned char *)(src); \ + for ( i0=0; i0