#define IDL_CMP(x,y) ( x < y ? -1 : ( x > y ? 1 : 0 ) )
-#define IDL_LRU_DELETE( mdb, e ) do { \
- if ( (e) == (mdb)->bi_idl_lru_head ) { \
- if ( (e)->idl_lru_next == (mdb)->bi_idl_lru_head ) { \
- (mdb)->bi_idl_lru_head = NULL; \
- } else { \
- (mdb)->bi_idl_lru_head = (e)->idl_lru_next; \
- } \
- } \
- if ( (e) == (mdb)->bi_idl_lru_tail ) { \
- if ( (e)->idl_lru_prev == (mdb)->bi_idl_lru_tail ) { \
- assert( (mdb)->bi_idl_lru_head == NULL ); \
- (mdb)->bi_idl_lru_tail = NULL; \
- } else { \
- (mdb)->bi_idl_lru_tail = (e)->idl_lru_prev; \
- } \
- } \
- (e)->idl_lru_next->idl_lru_prev = (e)->idl_lru_prev; \
- (e)->idl_lru_prev->idl_lru_next = (e)->idl_lru_next; \
-} while ( 0 )
-
-static int
-mdb_idl_entry_cmp( const void *v_idl1, const void *v_idl2 )
-{
- const mdb_idl_cache_entry_t *idl1 = v_idl1, *idl2 = v_idl2;
- int rc;
-
- if ((rc = SLAP_PTRCMP( idl1->db, idl2->db ))) return rc;
- if ((rc = idl1->kstr.bv_len - idl2->kstr.bv_len )) return rc;
- return ( memcmp ( idl1->kstr.bv_val, idl2->kstr.bv_val , idl1->kstr.bv_len ) );
-}
-
#if IDL_DEBUG > 0
static void idl_check( ID *ids )
{
static char *
mdb_show_key(
- DBT *key,
+ MDB_val *key,
char *buf )
{
- if ( key->size == 4 /* LUTIL_HASH_BYTES */ ) {
- unsigned char *c = key->data;
+ if ( key->mv_size == 4 /* LUTIL_HASH_BYTES */ ) {
+ unsigned char *c = key->mv_data;
sprintf( buf, "[%02x%02x%02x%02x]", c[0], c[1], c[2], c[3] );
return buf;
} else {
- return key->data;
- }
-}
-
-/* Find a db/key pair in the IDL cache. If ids is non-NULL,
- * copy the cached IDL into it, otherwise just return the status.
- */
-int
-mdb_idl_cache_get(
- struct mdb_info *mdb,
- DB *db,
- DBT *key,
- ID *ids )
-{
- mdb_idl_cache_entry_t idl_tmp;
- mdb_idl_cache_entry_t *matched_idl_entry;
- int rc = LDAP_NO_SUCH_OBJECT;
-
- DBT2bv( key, &idl_tmp.kstr );
- idl_tmp.db = db;
- ldap_pvt_thread_rdwr_rlock( &mdb->bi_idl_tree_rwlock );
- matched_idl_entry = avl_find( mdb->bi_idl_tree, &idl_tmp,
- mdb_idl_entry_cmp );
- if ( matched_idl_entry != NULL ) {
- if ( matched_idl_entry->idl && ids )
- MDB_IDL_CPY( ids, matched_idl_entry->idl );
- matched_idl_entry->idl_flags |= CACHE_ENTRY_REFERENCED;
- if ( matched_idl_entry->idl )
- rc = LDAP_SUCCESS;
- else
- rc = DB_NOTFOUND;
- }
- ldap_pvt_thread_rdwr_runlock( &mdb->bi_idl_tree_rwlock );
-
- return rc;
-}
-
-void
-mdb_idl_cache_put(
- struct mdb_info *mdb,
- DB *db,
- DBT *key,
- ID *ids,
- int rc )
-{
- mdb_idl_cache_entry_t idl_tmp;
- mdb_idl_cache_entry_t *ee, *eprev;
-
- if ( rc == DB_NOTFOUND || MDB_IDL_IS_ZERO( ids ))
- return;
-
- DBT2bv( key, &idl_tmp.kstr );
-
- ee = (mdb_idl_cache_entry_t *) ch_malloc(
- sizeof( mdb_idl_cache_entry_t ) );
- ee->db = db;
- ee->idl = (ID*) ch_malloc( MDB_IDL_SIZEOF ( ids ) );
- MDB_IDL_CPY( ee->idl, ids );
-
- ee->idl_lru_prev = NULL;
- ee->idl_lru_next = NULL;
- ee->idl_flags = 0;
- ber_dupbv( &ee->kstr, &idl_tmp.kstr );
- ldap_pvt_thread_rdwr_wlock( &mdb->bi_idl_tree_rwlock );
- if ( avl_insert( &mdb->bi_idl_tree, (caddr_t) ee,
- mdb_idl_entry_cmp, avl_dup_error ))
- {
- ch_free( ee->kstr.bv_val );
- ch_free( ee->idl );
- ch_free( ee );
- ldap_pvt_thread_rdwr_wunlock( &mdb->bi_idl_tree_rwlock );
- return;
- }
- ldap_pvt_thread_mutex_lock( &mdb->bi_idl_tree_lrulock );
- /* LRU_ADD */
- if ( mdb->bi_idl_lru_head ) {
- assert( mdb->bi_idl_lru_tail != NULL );
- assert( mdb->bi_idl_lru_head->idl_lru_prev != NULL );
- assert( mdb->bi_idl_lru_head->idl_lru_next != NULL );
-
- ee->idl_lru_next = mdb->bi_idl_lru_head;
- ee->idl_lru_prev = mdb->bi_idl_lru_head->idl_lru_prev;
- mdb->bi_idl_lru_head->idl_lru_prev->idl_lru_next = ee;
- mdb->bi_idl_lru_head->idl_lru_prev = ee;
- } else {
- ee->idl_lru_next = ee->idl_lru_prev = ee;
- mdb->bi_idl_lru_tail = ee;
- }
- mdb->bi_idl_lru_head = ee;
-
- if ( mdb->bi_idl_cache_size >= mdb->bi_idl_cache_max_size ) {
- int i;
- eprev = mdb->bi_idl_lru_tail;
- for ( i = 0; (ee = eprev) != NULL && i < 10; i++ ) {
- eprev = ee->idl_lru_prev;
- if ( eprev == ee ) {
- eprev = NULL;
- }
- if ( ee->idl_flags & CACHE_ENTRY_REFERENCED ) {
- ee->idl_flags ^= CACHE_ENTRY_REFERENCED;
- continue;
- }
- if ( avl_delete( &mdb->bi_idl_tree, (caddr_t) ee,
- mdb_idl_entry_cmp ) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_cache_put: "
- "AVL delete failed\n",
- 0, 0, 0 );
- }
- IDL_LRU_DELETE( mdb, ee );
- i++;
- --mdb->bi_idl_cache_size;
- ch_free( ee->kstr.bv_val );
- ch_free( ee->idl );
- ch_free( ee );
- }
- mdb->bi_idl_lru_tail = eprev;
- assert( mdb->bi_idl_lru_tail != NULL
- || mdb->bi_idl_lru_head == NULL );
- }
- mdb->bi_idl_cache_size++;
- ldap_pvt_thread_mutex_unlock( &mdb->bi_idl_tree_lrulock );
- ldap_pvt_thread_rdwr_wunlock( &mdb->bi_idl_tree_rwlock );
-}
-
-void
-mdb_idl_cache_del(
- struct mdb_info *mdb,
- DB *db,
- DBT *key )
-{
- mdb_idl_cache_entry_t *matched_idl_entry, idl_tmp;
- DBT2bv( key, &idl_tmp.kstr );
- idl_tmp.db = db;
- ldap_pvt_thread_rdwr_wlock( &mdb->bi_idl_tree_rwlock );
- matched_idl_entry = avl_find( mdb->bi_idl_tree, &idl_tmp,
- mdb_idl_entry_cmp );
- if ( matched_idl_entry != NULL ) {
- if ( avl_delete( &mdb->bi_idl_tree, (caddr_t) matched_idl_entry,
- mdb_idl_entry_cmp ) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_cache_del: "
- "AVL delete failed\n",
- 0, 0, 0 );
- }
- --mdb->bi_idl_cache_size;
- ldap_pvt_thread_mutex_lock( &mdb->bi_idl_tree_lrulock );
- IDL_LRU_DELETE( mdb, matched_idl_entry );
- ldap_pvt_thread_mutex_unlock( &mdb->bi_idl_tree_lrulock );
- free( matched_idl_entry->kstr.bv_val );
- if ( matched_idl_entry->idl )
- free( matched_idl_entry->idl );
- free( matched_idl_entry );
- }
- ldap_pvt_thread_rdwr_wunlock( &mdb->bi_idl_tree_rwlock );
-}
-
-void
-mdb_idl_cache_add_id(
- struct mdb_info *mdb,
- DB *db,
- DBT *key,
- ID id )
-{
- mdb_idl_cache_entry_t *cache_entry, idl_tmp;
- DBT2bv( key, &idl_tmp.kstr );
- idl_tmp.db = db;
- ldap_pvt_thread_rdwr_wlock( &mdb->bi_idl_tree_rwlock );
- cache_entry = avl_find( mdb->bi_idl_tree, &idl_tmp,
- mdb_idl_entry_cmp );
- if ( cache_entry != NULL ) {
- if ( !MDB_IDL_IS_RANGE( cache_entry->idl ) &&
- cache_entry->idl[0] < MDB_IDL_DB_MAX ) {
- size_t s = MDB_IDL_SIZEOF( cache_entry->idl ) + sizeof(ID);
- cache_entry->idl = ch_realloc( cache_entry->idl, s );
- }
- mdb_idl_insert( cache_entry->idl, id );
- }
- ldap_pvt_thread_rdwr_wunlock( &mdb->bi_idl_tree_rwlock );
-}
-
-void
-mdb_idl_cache_del_id(
- struct mdb_info *mdb,
- DB *db,
- DBT *key,
- ID id )
-{
- mdb_idl_cache_entry_t *cache_entry, idl_tmp;
- DBT2bv( key, &idl_tmp.kstr );
- idl_tmp.db = db;
- ldap_pvt_thread_rdwr_wlock( &mdb->bi_idl_tree_rwlock );
- cache_entry = avl_find( mdb->bi_idl_tree, &idl_tmp,
- mdb_idl_entry_cmp );
- if ( cache_entry != NULL ) {
- mdb_idl_delete( cache_entry->idl, id );
- if ( cache_entry->idl[0] == 0 ) {
- if ( avl_delete( &mdb->bi_idl_tree, (caddr_t) cache_entry,
- mdb_idl_entry_cmp ) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_cache_del: "
- "AVL delete failed\n",
- 0, 0, 0 );
- }
- --mdb->bi_idl_cache_size;
- ldap_pvt_thread_mutex_lock( &mdb->bi_idl_tree_lrulock );
- IDL_LRU_DELETE( mdb, cache_entry );
- ldap_pvt_thread_mutex_unlock( &mdb->bi_idl_tree_lrulock );
- free( cache_entry->kstr.bv_val );
- free( cache_entry->idl );
- free( cache_entry );
- }
+ return key->mv_data;
}
- ldap_pvt_thread_rdwr_wunlock( &mdb->bi_idl_tree_rwlock );
}
int
mdb_idl_fetch_key(
BackendDB *be,
- DB *db,
- DB_TXN *txn,
- DBT *key,
+ MDB_txn *txn,
+ MDB_dbi dbi,
+ MDB_val *key,
ID *ids,
- DBC **saved_cursor,
- int get_flag )
+ MDB_cursor **saved_cursor,
+ int get_flag )
{
- struct mdb_info *mdb = (struct mdb_info *) be->be_private;
- int rc;
- DBT data, key2, *kptr;
- DBC *cursor;
+ MDB_val data, key2, *kptr;
+ MDB_cursor *cursor;
ID *i;
- void *ptr;
size_t len;
- int rc2;
- int flags = mdb->bi_db_opflags | DB_MULTIPLE;
- int opflag;
-
- /* If using BerkeleyDB 4.0, the buf must be large enough to
- * grab the entire IDL in one get(), otherwise MDB will leak
- * resources on subsequent get's. We can safely call get()
- * twice - once for the data, and once to get the DB_NOTFOUND
- * result meaning there's no more data. See ITS#2040 for details.
- * This bug is fixed in MDB 4.1 so a smaller buffer will work if
- * stack space is too limited.
- *
- * configure now requires Berkeley DB 4.1.
- */
-#if DB_VERSION_FULL < 0x04010000
-# define MDB_ENOUGH 5
-#else
- /* We sometimes test with tiny IDLs, and MDB always wants buffers
- * that are at least one page in size.
- */
-# if MDB_IDL_DB_SIZE < 4096
-# define MDB_ENOUGH 2048
-# else
-# define MDB_ENOUGH 1
-# endif
-#endif
- ID buf[MDB_IDL_DB_SIZE*MDB_ENOUGH];
+ int rc;
+ MDB_cursor_op opflag;
char keybuf[16];
assert( ids != NULL );
if ( saved_cursor && *saved_cursor ) {
- opflag = DB_NEXT;
+ opflag = MDB_NEXT;
} else if ( get_flag == LDAP_FILTER_GE ) {
- opflag = DB_SET_RANGE;
+ opflag = MDB_SET_RANGE;
} else if ( get_flag == LDAP_FILTER_LE ) {
- opflag = DB_FIRST;
+ opflag = MDB_FIRST;
} else {
- opflag = DB_SET;
- }
-
- /* only non-range lookups can use the IDL cache */
- if ( mdb->bi_idl_cache_size && opflag == DB_SET ) {
- rc = mdb_idl_cache_get( mdb, db, key, ids );
- if ( rc != LDAP_NO_SUCH_OBJECT ) return rc;
+ opflag = MDB_SET;
}
- DBTzero( &data );
-
- data.data = buf;
- data.ulen = sizeof(buf);
- data.flags = DB_DBT_USERMEM;
-
/* If we're not reusing an existing cursor, get a new one */
- if( opflag != DB_NEXT ) {
- rc = db->cursor( db, txn, &cursor, mdb->bi_db_opflags );
+ if( opflag != MDB_NEXT ) {
+ rc = mdb_cursor_open( txn, dbi, &cursor );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
- "cursor failed: %s (%d)\n", db_strerror(rc), rc, 0 );
+ "cursor failed: %s (%d)\n", mdb_strerror(rc), rc, 0 );
return rc;
}
} else {
* will be overwritten.
*/
if ( get_flag == LDAP_FILTER_LE || get_flag == LDAP_FILTER_GE ) {
- DBTzero( &key2 );
- key2.flags = DB_DBT_USERMEM;
- key2.ulen = sizeof(keybuf);
- key2.data = keybuf;
- key2.size = key->size;
- AC_MEMCPY( keybuf, key->data, key->size );
+ key2.mv_data = keybuf;
+ key2.mv_size = key->mv_size;
+ AC_MEMCPY( keybuf, key->mv_data, key->mv_size );
kptr = &key2;
} else {
kptr = key;
}
- len = key->size;
- rc = cursor->c_get( cursor, kptr, &data, flags | opflag );
+ len = key->mv_size;
+ rc = mdb_cursor_get( cursor, kptr, &data, opflag );
/* skip presence key on range inequality lookups */
- while (rc == 0 && kptr->size != len) {
- rc = cursor->c_get( cursor, kptr, &data, flags | DB_NEXT_NODUP );
+ while (rc == 0 && kptr->mv_size != len) {
+ rc = mdb_cursor_get( cursor, kptr, &data, MDB_NEXT_NODUP );
}
/* If we're doing a LE compare and the new key is greater than
* our search key, we're done
*/
- if (rc == 0 && get_flag == LDAP_FILTER_LE && memcmp( kptr->data,
- key->data, key->size ) > 0 ) {
- rc = DB_NOTFOUND;
+ if (rc == 0 && get_flag == LDAP_FILTER_LE && memcmp( kptr->mv_data,
+ key->mv_data, key->mv_size ) > 0 ) {
+ rc = MDB_NOTFOUND;
}
if (rc == 0) {
- i = ids;
+ i = ids+1;
+ rc = mdb_cursor_get( cursor, key, &data, MDB_GET_MULTIPLE );
while (rc == 0) {
- u_int8_t *j;
-
- DB_MULTIPLE_INIT( ptr, &data );
- while (ptr) {
- DB_MULTIPLE_NEXT(ptr, &data, j, len);
- if (j) {
- ++i;
- MDB_DISK2ID( j, i );
- }
- }
- rc = cursor->c_get( cursor, key, &data, flags | DB_NEXT_DUP );
+ memcpy( i, data.mv_data, data.mv_size );
+ i += data.mv_size / sizeof(ID);
+ rc = mdb_cursor_get( cursor, key, &data, MDB_NEXT_MULTIPLE );
}
- if ( rc == DB_NOTFOUND ) rc = 0;
+ if ( rc == MDB_NOTFOUND ) rc = 0;
ids[0] = i - ids;
/* On disk, a range is denoted by 0 in the first element */
if (ids[1] == 0) {
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
"range size mismatch: expected %d, got %ld\n",
MDB_IDL_RANGE_SIZE, ids[0], 0 );
- cursor->c_close( cursor );
+ mdb_cursor_close( cursor );
return -1;
}
MDB_IDL_RANGE( ids, ids[2], ids[3] );
}
- data.size = MDB_IDL_SIZEOF(ids);
+ data.mv_size = MDB_IDL_SIZEOF(ids);
}
if ( saved_cursor && rc == 0 ) {
if ( !*saved_cursor )
*saved_cursor = cursor;
- rc2 = 0;
}
else
- rc2 = cursor->c_close( cursor );
- if (rc2) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
- "close failed: %s (%d)\n", db_strerror(rc2), rc2, 0 );
- return rc2;
- }
+ mdb_cursor_close( cursor );
- if( rc == DB_NOTFOUND ) {
+ if( rc == MDB_NOTFOUND ) {
return rc;
} else if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
"get failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
+ mdb_strerror(rc), rc, 0 );
return rc;
- } else if ( data.size == 0 || data.size % sizeof( ID ) ) {
+ } else if ( data.mv_size == 0 || data.mv_size % sizeof( ID ) ) {
/* size not multiple of ID size */
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
"odd size: expected %ld multiple, got %ld\n",
- (long) sizeof( ID ), (long) data.size, 0 );
+ (long) sizeof( ID ), (long) data.mv_size, 0 );
return -1;
- } else if ( data.size != MDB_IDL_SIZEOF(ids) ) {
+ } else if ( data.mv_size != MDB_IDL_SIZEOF(ids) ) {
/* size mismatch */
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_fetch_key: "
"get size mismatch: expected %ld, got %ld\n",
- (long) ((1 + ids[0]) * sizeof( ID )), (long) data.size, 0 );
+ (long) ((1 + ids[0]) * sizeof( ID )), (long) data.mv_size, 0 );
return -1;
}
- if ( mdb->bi_idl_cache_max_size ) {
- mdb_idl_cache_put( mdb, db, key, ids, rc );
- }
-
return rc;
}
-
int
mdb_idl_insert_key(
BackendDB *be,
- DB *db,
- DB_TXN *tid,
- DBT *key,
+ MDB_txn *txn,
+ MDB_dbi dbi,
+ MDB_val *key,
ID id )
{
- struct mdb_info *mdb = (struct mdb_info *) be->be_private;
- int rc;
- DBT data;
- DBC *cursor;
- ID lo, hi, nlo, nhi, nid;
+ MDB_cursor *cursor;
+ MDB_val data;
+ ID lo, hi, *i;
char *err;
+ int rc;
{
char buf[16];
assert( id != NOID );
- DBTzero( &data );
- data.size = sizeof( ID );
- data.ulen = data.size;
- data.flags = DB_DBT_USERMEM;
-
- MDB_ID2DISK( id, &nid );
-
- rc = db->cursor( db, tid, &cursor, mdb->bi_db_opflags );
+ rc = mdb_cursor_open( txn, dbi, &cursor );
if ( rc != 0 ) {
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_insert_key: "
- "cursor failed: %s (%d)\n", db_strerror(rc), rc, 0 );
+ "cursor failed: %s (%d)\n", mdb_strerror(rc), rc, 0 );
return rc;
}
- data.data = &nlo;
/* Fetch the first data item for this key, to see if it
* exists and if it's a range.
*/
- rc = cursor->c_get( cursor, key, &data, DB_SET );
+ rc = mdb_cursor_get( cursor, key, &data, MDB_SET );
err = "c_get";
if ( rc == 0 ) {
- if ( nlo != 0 ) {
+ i = data.mv_data;
+ memcpy(&lo, data.mv_data, sizeof(ID));
+ if ( lo != 0 ) {
/* not a range, count the number of items */
- db_recno_t count;
- rc = cursor->c_count( cursor, &count, 0 );
+ unsigned long count;
+ rc = mdb_cursor_count( cursor, &count );
if ( rc != 0 ) {
err = "c_count";
goto fail;
}
if ( count >= MDB_IDL_DB_MAX ) {
/* No room, convert to a range */
- DBT key2 = *key;
- db_recno_t i;
+ MDB_val key2;
- key2.dlen = key2.ulen;
- key2.flags |= DB_DBT_PARTIAL;
-
- MDB_DISK2ID( &nlo, &lo );
- data.data = &nhi;
-
- rc = cursor->c_get( cursor, &key2, &data, DB_NEXT_NODUP );
- if ( rc != 0 && rc != DB_NOTFOUND ) {
+ lo = *i;
+ rc = mdb_cursor_get( cursor, &key2, &data, MDB_NEXT_NODUP );
+ if ( rc != 0 && rc != MDB_NOTFOUND ) {
err = "c_get next_nodup";
goto fail;
}
- if ( rc == DB_NOTFOUND ) {
- rc = cursor->c_get( cursor, key, &data, DB_LAST );
+ if ( rc == MDB_NOTFOUND ) {
+ rc = mdb_cursor_get( cursor, key, &data, MDB_LAST );
if ( rc != 0 ) {
err = "c_get last";
goto fail;
}
} else {
- rc = cursor->c_get( cursor, key, &data, DB_PREV );
+ rc = mdb_cursor_get( cursor, key, &data, MDB_PREV );
if ( rc != 0 ) {
err = "c_get prev";
goto fail;
}
}
- MDB_DISK2ID( &nhi, &hi );
- /* Update hi/lo if needed, then delete all the items
- * between lo and hi
- */
+ i = data.mv_data;
+ hi = *i;
+ /* Update hi/lo if needed */
if ( id < lo ) {
lo = id;
- nlo = nid;
} else if ( id > hi ) {
hi = id;
- nhi = nid;
- }
- data.data = &nid;
- /* Don't fetch anything, just position cursor */
- data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL;
- data.dlen = data.ulen = 0;
- rc = cursor->c_get( cursor, key, &data, DB_SET );
- if ( rc != 0 ) {
- err = "c_get 2";
- goto fail;
}
- rc = cursor->c_del( cursor, 0 );
+ /* delete the old key */
+ rc = mdb_del( txn, dbi, key, NULL, 0 );
if ( rc != 0 ) {
- err = "c_del range1";
+ err = "mdb_del";
goto fail;
}
- /* Delete all the records */
- for ( i=1; i<count; i++ ) {
- rc = cursor->c_get( cursor, &key2, &data, DB_NEXT_DUP );
- if ( rc != 0 ) {
- err = "c_get next_dup";
- goto fail;
- }
- rc = cursor->c_del( cursor, 0 );
- if ( rc != 0 ) {
- err = "c_del range";
- goto fail;
- }
- }
- /* Store the range marker */
- data.size = data.ulen = sizeof(ID);
- data.flags = DB_DBT_USERMEM;
- nid = 0;
- rc = cursor->c_put( cursor, key, &data, DB_KEYFIRST );
+ /* Store the range */
+ data.mv_size = sizeof(ID);
+ data.mv_data = &id;
+ id = 0;
+ rc = mdb_put( txn, dbi, key, &data, 0 );
if ( rc != 0 ) {
- err = "c_put range";
+ err = "mdb_put range";
goto fail;
}
- nid = nlo;
- rc = cursor->c_put( cursor, key, &data, DB_KEYLAST );
+ id = lo;
+ rc = mdb_put( txn, dbi, key, &data, 0 );
if ( rc != 0 ) {
- err = "c_put lo";
+ err = "mdb_put lo";
goto fail;
}
- nid = nhi;
- rc = cursor->c_put( cursor, key, &data, DB_KEYLAST );
+ id = hi;
+ rc = mdb_put( txn, dbi, key, &data, 0 );
if ( rc != 0 ) {
- err = "c_put hi";
+ err = "mdb_put hi";
goto fail;
}
} else {
/* It's a range, see if we need to rewrite
* the boundaries
*/
- hi = id;
- data.data = &nlo;
- rc = cursor->c_get( cursor, key, &data, DB_NEXT_DUP );
- if ( rc != 0 ) {
- err = "c_get lo";
- goto fail;
- }
- MDB_DISK2ID( &nlo, &lo );
- if ( id > lo ) {
- data.data = &nhi;
- rc = cursor->c_get( cursor, key, &data, DB_NEXT_DUP );
- if ( rc != 0 ) {
- err = "c_get hi";
- goto fail;
- }
- MDB_DISK2ID( &nhi, &hi );
- }
+ lo = i[1];
+ hi = i[2];
if ( id < lo || id > hi ) {
+ if ( id < lo )
+ data.mv_data = &lo;
+ else
+ data.mv_data = &hi;
+ data.mv_size = sizeof(ID);
/* Delete the current lo/hi */
- rc = cursor->c_del( cursor, 0 );
+ rc = mdb_del( txn, dbi, key, &data, MDB_DEL_DUP );
if ( rc != 0 ) {
- err = "c_del";
- goto fail;
- }
- data.data = &nid;
- rc = cursor->c_put( cursor, key, &data, DB_KEYFIRST );
- if ( rc != 0 ) {
- err = "c_put lo/hi";
+ err = "mdb_del lo/hi";
goto fail;
}
+ goto put1;
}
}
- } else if ( rc == DB_NOTFOUND ) {
-put1: data.data = &nid;
- rc = cursor->c_put( cursor, key, &data, DB_NODUPDATA );
+ } else if ( rc == MDB_NOTFOUND ) {
+put1: data.mv_data = &id;
+ data.mv_size = sizeof(ID);
+ rc = mdb_put( txn, dbi, key, &data, MDB_NODUPDATA );
/* Don't worry if it's already there */
- if ( rc != 0 && rc != DB_KEYEXIST ) {
- err = "c_put id";
+ if ( rc != 0 && rc != MDB_KEYEXIST ) {
+ err = "mdb_put id";
goto fail;
}
} else {
/* initial c_get failed, nothing was done */
fail:
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_insert_key: "
- "%s failed: %s (%d)\n", err, db_strerror(rc), rc );
- cursor->c_close( cursor );
- return rc;
- }
- /* If key was added (didn't already exist) and using IDL cache,
- * update key in IDL cache.
- */
- if ( !rc && mdb->bi_idl_cache_max_size ) {
- mdb_idl_cache_add_id( mdb, db, key, id );
- }
- rc = cursor->c_close( cursor );
- if( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_insert_key: "
- "c_close failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
+ "%s failed: %s (%d)\n", err, mdb_strerror(rc), rc );
}
+ mdb_cursor_close( cursor );
return rc;
}
int
mdb_idl_delete_key(
BackendDB *be,
- DB *db,
- DB_TXN *tid,
- DBT *key,
+ MDB_txn *txn,
+ MDB_dbi dbi,
+ MDB_val *key,
ID id )
{
- struct mdb_info *mdb = (struct mdb_info *) be->be_private;
int rc;
- DBT data;
- DBC *cursor;
- ID lo, hi, tmp, nid, nlo, nhi;
+ MDB_val data;
+ MDB_cursor *cursor;
+ ID lo, hi, tmp, *i;
char *err;
{
}
assert( id != NOID );
- if ( mdb->bi_idl_cache_size ) {
- mdb_idl_cache_del( mdb, db, key );
- }
-
- MDB_ID2DISK( id, &nid );
-
- DBTzero( &data );
- data.data = &tmp;
- data.size = sizeof( id );
- data.ulen = data.size;
- data.flags = DB_DBT_USERMEM;
-
- rc = db->cursor( db, tid, &cursor, mdb->bi_db_opflags );
+ rc = mdb_cursor_open( txn, dbi, &cursor );
if ( rc != 0 ) {
Debug( LDAP_DEBUG_ANY, "=> mdb_idl_delete_key: "
- "cursor failed: %s (%d)\n", db_strerror(rc), rc, 0 );
+ "cursor failed: %s (%d)\n", mdb_strerror(rc), rc, 0 );
return rc;
}
/* Fetch the first data item for this key, to see if it
* exists and if it's a range.
*/
- rc = cursor->c_get( cursor, key, &data, DB_SET );
+ rc = mdb_cursor_get( cursor, key, &data, MDB_SET );
err = "c_get";
if ( rc == 0 ) {
+ memcpy( &tmp, data.mv_data, sizeof(ID) );
+ i = data.mv_data;
if ( tmp != 0 ) {
/* Not a range, just delete it */
- if (tmp != nid) {
- /* position to correct item */
- tmp = nid;
- rc = cursor->c_get( cursor, key, &data, DB_GET_BOTH );
- if ( rc != 0 ) {
- err = "c_get id";
- goto fail;
- }
- }
- rc = cursor->c_del( cursor, 0 );
+ data.mv_data = &id;
+ rc = mdb_del( txn, dbi, key, &data, MDB_DEL_DUP );
if ( rc != 0 ) {
- err = "c_del id";
+ err = "mdb_del id";
goto fail;
}
} else {
/* It's a range, see if we need to rewrite
* the boundaries
*/
- data.data = &nlo;
- rc = cursor->c_get( cursor, key, &data, DB_NEXT_DUP );
- if ( rc != 0 ) {
- err = "c_get lo";
- goto fail;
- }
- MDB_DISK2ID( &nlo, &lo );
- data.data = &nhi;
- rc = cursor->c_get( cursor, key, &data, DB_NEXT_DUP );
- if ( rc != 0 ) {
- err = "c_get hi";
- goto fail;
- }
- MDB_DISK2ID( &nhi, &hi );
+ lo = i[1];
+ hi = i[2];
if ( id == lo || id == hi ) {
+ ID lo2 = lo, hi2 = hi;
if ( id == lo ) {
- id++;
- lo = id;
+ lo2++;
} else if ( id == hi ) {
- id--;
- hi = id;
+ hi2--;
}
- if ( lo >= hi ) {
+ if ( lo2 >= hi2 ) {
/* The range has collapsed... */
- rc = db->del( db, tid, key, 0 );
+ rc = mdb_del( txn, dbi, key, NULL, 0 );
if ( rc != 0 ) {
- err = "del";
+ err = "mdb_del";
goto fail;
}
} else {
- if ( id == lo ) {
- /* reposition on lo slot */
- data.data = &nlo;
- cursor->c_get( cursor, key, &data, DB_PREV );
- }
- rc = cursor->c_del( cursor, 0 );
+ data.mv_size = sizeof(ID);
+ if ( id == lo )
+ data.mv_data = &lo;
+ else
+ data.mv_data = &hi;
+ rc = mdb_del( txn, dbi, key, &data, MDB_DEL_DUP );
if ( rc != 0 ) {
err = "c_del";
goto fail;
}
- }
- if ( lo <= hi ) {
- MDB_ID2DISK( id, &nid );
- data.data = &nid;
- rc = cursor->c_put( cursor, key, &data, DB_KEYFIRST );
+ if ( id == lo )
+ data.mv_data = &lo2;
+ else
+ data.mv_data = &hi2;
+ rc = mdb_put( txn, dbi, key, &data, 0 );
if ( rc != 0 ) {
- err = "c_put lo/hi";
+ err = "mdb_put lo/hi";
goto fail;
}
}
} else {
/* initial c_get failed, nothing was done */
fail:
- if ( rc != DB_NOTFOUND ) {
- Debug( LDAP_DEBUG_ANY, "=> mdb_idl_delete_key: "
- "%s failed: %s (%d)\n", err, db_strerror(rc), rc );
+ if ( rc != MDB_NOTFOUND ) {
+ Debug( LDAP_DEBUG_ANY, "=> mdb_idl_delete_key: "
+ "%s failed: %s (%d)\n", err, mdb_strerror(rc), rc );
}
- cursor->c_close( cursor );
- return rc;
}
- rc = cursor->c_close( cursor );
- if( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "=> mdb_idl_delete_key: c_close failed: %s (%d)\n",
- db_strerror(rc), rc, 0 );
- }
-
+ mdb_cursor_close( cursor );
return rc;
}