#ifndef _BACK_LDBM_H_
#define _BACK_LDBM_H_
#include "ldbm.h"
LDAP_BEGIN_DECL
#define DEFAULT_CACHE_SIZE 1000
#if defined(HAVE_BERKELEY_DB) && DB_VERSION_MAJOR >= 2
# define DEFAULT_DBCACHE_SIZE (100 * DEFAULT_DB_PAGE_SIZE)
#else
# define DEFAULT_DBCACHE_SIZE 100000
#endif
#define DN_BASE_PREFIX SLAP_INDEX_EQUALITY_PREFIX
#define DN_ONE_PREFIX '%'
#define DN_SUBTREE_PREFIX '@'
#define SLAP_INDEX_CONT_SIZE ( sizeof(SLAP_INDEX_CONT_PREFIX) + sizeof(unsigned char) )
#define DEFAULT_BLOCKSIZE 8192
typedef ID ID_BLOCK;
#define ID_BLOCK_NMAX_OFFSET 0
#define ID_BLOCK_NIDS_OFFSET 1
#define ID_BLOCK_IDS_OFFSET 2
#define ID_BLOCK_NMAX(b) ((b)[ID_BLOCK_NMAX_OFFSET])
#define ID_BLOCK_NMAXN(b) ID_BLOCK_NMAX(b)
#define ID_BLOCK_NIDS(b) ((b)[ID_BLOCK_NIDS_OFFSET])
#define ID_BLOCK_ID(b, n) ((b)[ID_BLOCK_IDS_OFFSET+(n)])
#define ID_BLOCK_NOID(b, n) (ID_BLOCK_ID((b),(n)) == NOID)
#define ID_BLOCK_ALLIDS_VALUE 0
#define ID_BLOCK_ALLIDS(b) (ID_BLOCK_NMAX(b) == ID_BLOCK_ALLIDS_VALUE)
#define ID_BLOCK_INDIRECT_VALUE 0
#define ID_BLOCK_INDIRECT(b) (ID_BLOCK_NIDS(b) == ID_BLOCK_INDIRECT_VALUE)
#define USE_INDIRECT_NIDS 1
#ifdef USE_INDIRECT_NIDS
#undef ID_BLOCK_NMAXN
#define ID_BLOCK_NMAXN(b) ((b)[ID_BLOCK_NMAX_OFFSET]&0x7fffffff)
#undef ID_BLOCK_INDIRECT_VALUE
#define ID_BLOCK_INDIRECT_VALUE 0x80000000
#undef ID_BLOCK_INDIRECT
#define ID_BLOCK_INDIRECT(b) (ID_BLOCK_NMAX(b) & ID_BLOCK_INDIRECT_VALUE)
#endif
typedef struct ldbm_cache {
int c_maxsize;
int c_cursize;
Avlnode *c_dntree;
Avlnode *c_idtree;
Entry *c_lruhead;
Entry *c_lrutail;
ldap_pvt_thread_mutex_t c_mutex;
} Cache;
#define CACHE_READ_LOCK 0
#define CACHE_WRITE_LOCK 1
typedef struct ldbm_dbcache {
int dbc_refcnt;
int dbc_maxids;
int dbc_maxindirect;
int dbc_dirty;
int dbc_flags;
time_t dbc_lastref;
long dbc_blksize;
char *dbc_name;
LDBM dbc_db;
ldap_pvt_thread_mutex_t dbc_write_mutex;
} DBCache;
#define MAXDBCACHE 128
struct ldbminfo {
ldap_pvt_thread_rdwr_t li_giant_rwlock;
ID li_nextid;
int li_mode;
slap_mask_t li_defaultmask;
char *li_directory;
Cache li_cache;
Avlnode *li_attrs;
int li_dblocking;
int li_dbwritesync;
int li_dbcachesize;
DBCache li_dbcache[MAXDBCACHE];
ldap_pvt_thread_mutex_t li_dbcache_mutex;
ldap_pvt_thread_cond_t li_dbcache_cv;
DB_ENV *li_dbenv;
int li_envdirok;
int li_dbsyncfreq;
int li_dbsyncwaitn;
int li_dbsyncwaitinterval;
ldap_pvt_thread_t li_dbsynctid;
int li_dbshutdown;
};
LDAP_END_DECL
#include "proto-back-ldbm.h"
#endif