#ifndef _BACK_BDB_H_
#define _BACK_BDB_H_
#include <portable.h>
#include "slap.h"
#include <db.h>
#include "alock.h"
LDAP_BEGIN_DECL
#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 '%'
#define DN_SUBTREE_PREFIX '@'
#define DBTzero(t) (memset((t), 0, sizeof(DBT)))
#define DBT2bv(t,bv) ((bv)->bv_val = (t)->data, \
(bv)->bv_len = (t)->size)
#define bv2DBT(bv,t) ((t)->data = (bv)->bv_val, \
(t)->size = (bv)->bv_len )
#define BDB_TXN_RETRIES 16
#define BDB_MAX_ADD_LOOP 30
#define BDB_SUFFIX ".bdb"
#define BDB_ID2ENTRY 0
#define BDB_DN2ID 1
#define BDB_NDB 2
#ifndef BDB_ID2ENTRY_PAGESIZE
#define BDB_ID2ENTRY_PAGESIZE 16384
#endif
#define DEFAULT_CACHE_SIZE 1000
#define DEFAULT_SEARCH_STACK_DEPTH 16
#define MINIMUM_SEARCH_STACK_DEPTH 8
typedef struct bdb_idl_cache_entry_s {
struct berval kstr;
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;
typedef struct bdb_entry_info {
struct bdb_entry_info *bei_parent;
ID bei_id;
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;
struct berval bei_nrdn;
#ifdef BDB_HIER
struct berval bei_rdn;
int bei_modrdns;
int bei_ckids;
int bei_dkids;
#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;
struct bdb_entry_info *bei_lruprev;
} EntryInfo;
#undef BEI
#define BEI(e) ((EntryInfo *) ((e)->e_private))
typedef struct bdb_cache {
EntryInfo *c_eifree;
Avlnode *c_idtree;
EntryInfo *c_lruhead;
EntryInfo *c_lrutail;
EntryInfo c_dntree;
ID c_maxsize;
ID c_cursize;
ID c_minfree;
ID c_eimax;
ID c_eiused;
ID c_leaves;
int c_purging;
DB_TXN *c_txn;
ldap_pvt_thread_rdwr_t c_rwlock;
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
#define CACHE_WRITE_LOCK 1
#define BDB_INDICES 128
struct bdb_db_info {
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
typedef struct bdb_monitor_t {
void *bdm_cb;
struct berval bdm_ndn;
} bdb_monitor_t;
struct re_s;
struct bdb_info {
DB_ENV *bi_dbenv;
char *bi_dbenv_home;
u_int32_t bi_dbenv_xflags;
int bi_dbenv_mode;
int bi_ndatabases;
int bi_db_opflags;
struct bdb_db_info **bi_databases;
ldap_pvt_thread_mutex_t bi_database_mutex;
struct bdb_db_pgsize *bi_pagesizes;
slap_mask_t bi_defaultmask;
Cache bi_cache;
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;
u_int32_t bi_lock_detect;
long bi_shm_key;
ID bi_lastid;
ldap_pvt_thread_mutex_t bi_lastid_mutex;
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
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;
ldap_pvt_thread_mutex_t bi_modrdns_mutex;
#endif
#ifdef __APPLE__
int bi_disable_fullfsync_mode;
#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 {
OpExtra boi_oe;
DB_TXN* boi_txn;
struct bdb_lock_info *boi_locks;
u_int32_t boi_err;
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)
#if DB_VERSION_MAJOR < 4
#define LOCK_DETECT(env,f,t,a) lock_detect(env, f, t, a)
#define LOCK_GET(env,i,f,o,m,l) lock_get(env, i, f, o, m, l)
#define LOCK_PUT(env,l) lock_put(env, l)
#define TXN_CHECKPOINT(env,k,m,f) txn_checkpoint(env, k, m, f)
#define TXN_BEGIN(env,p,t,f) txn_begin((env), p, t, f)
#define TXN_PREPARE(txn,gid) txn_prepare((txn), (gid))
#define TXN_COMMIT(txn,f) txn_commit((txn), (f))
#define TXN_ABORT(txn) txn_abort((txn))
#define TXN_ID(txn) txn_id(txn)
#define XLOCK_ID(env, locker) lock_id(env, locker)
#define XLOCK_ID_FREE(env, locker) lock_id_free(env, locker)
#else
#define LOCK_DETECT(env,f,t,a) (env)->lock_detect(env, f, t, a)
#define LOCK_GET(env,i,f,o,m,l) (env)->lock_get(env, i, f, o, m, l)
#define LOCK_PUT(env,l) (env)->lock_put(env, l)
#define TXN_CHECKPOINT(env,k,m,f) (env)->txn_checkpoint(env, k, m, f)
#define TXN_BEGIN(env,p,t,f) (env)->txn_begin((env), p, t, f)
#define TXN_PREPARE(txn,g) (txn)->prepare((txn), (g))
#define TXN_COMMIT(txn,f) (txn)->commit((txn), (f))
#define TXN_ABORT(txn) (txn)->abort((txn))
#define TXN_ID(txn) (txn)->id(txn)
#define XLOCK_ID(env, locker) (env)->lock_id(env, locker)
#define XLOCK_ID_FREE(env, locker) (env)->lock_id_free(env, locker)
#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, mode)
#endif
#ifdef BDB_LOG_DEBUG
#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
#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)
#endif
#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
#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)
#define BDB_DISK2ID( src, dst ) \
do { unsigned i0; ID tmp = 0; unsigned char *_p; \
_p = (unsigned char *)(src); \
for ( i0=0; i0<sizeof(ID); i0++ ) { \
tmp <<= 8; tmp |= *_p++; \
} *(dst) = tmp; \
} while (0)
LDAP_END_DECL
typedef struct bdb_attrinfo {
AttributeDescription *ai_desc;
slap_mask_t ai_indexmask;
slap_mask_t ai_newmask;
#ifdef LDAP_COMP_MATCH
ComponentReference* ai_cr;
#endif
} AttrInfo;
#define BDB_INDEX_DELETING 0x8000U
#define BDB_INDEX_UPDATE_OP 0x03
typedef struct AttrList {
struct AttrList *next;
Attribute *attr;
} AttrList;
typedef struct IndexRec {
AttrInfo *ai;
AttrList *attrs;
} IndexRec;
#include "proto-bdb.h"
#endif