/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 2000-2020 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>.
 */

#ifndef _PROTO_MDB_H
#define _PROTO_MDB_H

LDAP_BEGIN_DECL

#define MDB_UCTYPE	"MDB"

/*
 * attr.c
 */

AttrInfo *mdb_attr_mask( struct mdb_info *mdb,
	AttributeDescription *desc );

void mdb_attr_flush( struct mdb_info *mdb );

int mdb_attr_slot( struct mdb_info *mdb,
	AttributeDescription *desc, int *insert );

int mdb_attr_dbs_open( BackendDB *be, MDB_txn *txn, struct config_reply_s *cr );
void mdb_attr_dbs_close( struct mdb_info *mdb );

int mdb_attr_index_config LDAP_P(( struct mdb_info *mdb,
	const char *fname, int lineno,
	int argc, char **argv, struct config_reply_s *cr ));

void mdb_attr_index_unparse LDAP_P(( struct mdb_info *mdb, BerVarray *bva ));
void mdb_attr_index_destroy LDAP_P(( struct mdb_info *mdb ));
void mdb_attr_index_free LDAP_P(( struct mdb_info *mdb,
	AttributeDescription *ad ));

void mdb_attr_info_free( AttrInfo *ai );

int mdb_ad_read( struct mdb_info *mdb, MDB_txn *txn );
int mdb_ad_get( struct mdb_info *mdb, MDB_txn *txn, AttributeDescription *ad );
void mdb_ad_unwind( struct mdb_info *mdb, int prev_ads );

/*
 * config.c
 */

int mdb_back_init_cf( BackendInfo *bi );

/*
 * dn2entry.c
 */

int mdb_dn2entry LDAP_P(( Operation *op, MDB_txn *tid, MDB_cursor *mc,
	struct berval *dn, Entry **e, ID *nsubs, int matched ));

/*
 * dn2id.c
 */

int mdb_dn2id(
	Operation *op,
	MDB_txn *txn,
	MDB_cursor *mc,
	struct berval *ndn,
	ID *id,
	ID *nsubs,
	struct berval *matched,
	struct berval *nmatched );

int mdb_dn2id_add(
	Operation *op,
	MDB_cursor *mcp,
	MDB_cursor *mcd,
	ID pid,
	ID nsubs,
	int upsub,
	Entry *e );

int mdb_dn2id_delete(
	Operation *op,
	MDB_cursor *mc,
	ID id,
	ID nsubs );

int mdb_dn2id_children(
	Operation *op,
	MDB_txn *tid,
	Entry *e );

int mdb_dn2sups (
	Operation *op,
	MDB_txn *tid,
	struct berval *dn,
	ID *sups
	);

int mdb_dn2idl(
	Operation *op,
	MDB_txn *txn,
	struct berval *ndn,
	ID eid,
	ID *ids,
	ID *stack );

int mdb_dn2id_parent(
	Operation *op,
	MDB_txn *txn,
	ID eid,
	ID *idp );

int mdb_id2name(
	Operation *op,
	MDB_txn *txn,
	MDB_cursor **cursp,
	ID eid,
	struct berval *name,
	struct berval *nname);

int mdb_idscope(
	Operation *op,
	MDB_txn *txn,
	ID base,
	ID *ids,
	ID *res );

struct IdScopes;

int mdb_idscopes(
	Operation *op,
	struct IdScopes *isc );

int mdb_idscopechk(
	Operation *op,
	struct IdScopes *isc );

int mdb_dn2id_walk(
	Operation *op,
	struct IdScopes *isc );

void mdb_dn2id_wrestore(
	Operation *op,
	struct IdScopes *isc );

MDB_cmp_func mdb_dup_compare;

/*
 * filterentry.c
 */

int mdb_filter_candidates(
	Operation *op,
	MDB_txn *txn,
	Filter	*f,
	ID *ids,
	ID *tmp,
	ID *stack );

/*
 * id2entry.c
 */

int mdb_id2entry_add(
	Operation *op,
	MDB_txn *tid,
	MDB_cursor *mc,
	Entry *e );

int mdb_id2entry_update(
	Operation *op,
	MDB_txn *tid,
	MDB_cursor *mc,
	Entry *e );

int mdb_id2entry_delete(
	BackendDB *be,
	MDB_txn *tid,
	Entry *e);

int mdb_id2entry(
	Operation *op,
	MDB_cursor *mc,
	ID id,
	Entry **e);

int mdb_id2edata(
	Operation *op,
	MDB_cursor *mc,
	ID id,
	MDB_val *data);

int mdb_entry_return( Operation *op, Entry *e );
BI_entry_release_rw mdb_entry_release;
BI_entry_get_rw mdb_entry_get;

int mdb_entry_decode( Operation *op, MDB_txn *txn, MDB_val *data, Entry **e );

void mdb_reader_flush( MDB_env *env );
int mdb_opinfo_get( Operation *op, struct mdb_info *mdb, int rdonly, mdb_op_info **moi );

/*
 * idl.c
 */

unsigned mdb_idl_search( ID *ids, ID id );

int mdb_idl_fetch_key(
	BackendDB	*be,
	MDB_txn		*txn,
	MDB_dbi		dbi,
	MDB_val		*key,
	ID			*ids,
	MDB_cursor	**saved_cursor,
	int                     get_flag );

int mdb_idl_insert( ID *ids, ID id );

typedef int (mdb_idl_keyfunc)(
	BackendDB *be,
	MDB_cursor *mc,
	struct berval *key,
	ID id );

mdb_idl_keyfunc mdb_idl_insert_keys;
mdb_idl_keyfunc mdb_idl_delete_keys;

int
mdb_idl_intersection(
	ID *a,
	ID *b );

int
mdb_idl_union(
	ID *a,
	ID *b );

ID mdb_idl_first( ID *ids, ID *cursor );
ID mdb_idl_next( ID *ids, ID *cursor );

void mdb_idl_sort( ID *ids, ID *tmp );
int mdb_idl_append( ID *a, ID *b );
int mdb_idl_append_one( ID *ids, ID id );


/*
 * index.c
 */

extern AttrInfo *
mdb_index_mask LDAP_P((
	Backend *be,
	AttributeDescription *desc,
	struct berval *name ));

extern int
mdb_index_param LDAP_P((
	Backend *be,
	AttributeDescription *desc,
	int ftype,
	MDB_dbi *dbi,
	slap_mask_t *mask,
	struct berval *prefix ));

extern int
mdb_index_values LDAP_P((
	Operation *op,
	MDB_txn *txn,
	AttributeDescription *desc,
	BerVarray vals,
	ID id,
	int opid ));

extern int
mdb_index_recset LDAP_P((
	struct mdb_info *mdb,
	Attribute *a,
	AttributeType *type,
	struct berval *tags,
	IndexRec *ir ));

extern int
mdb_index_recrun LDAP_P((
	Operation *op,
	MDB_txn *txn,
	struct mdb_info *mdb,
	IndexRec *ir,
	ID id,
	int base ));

int mdb_index_entry LDAP_P(( Operation *op, MDB_txn *t, int r, Entry *e ));

#define mdb_index_entry_add(op,t,e) \
	mdb_index_entry((op),(t),SLAP_INDEX_ADD_OP,(e))
#define mdb_index_entry_del(op,t,e) \
	mdb_index_entry((op),(t),SLAP_INDEX_DELETE_OP,(e))

/*
 * key.c
 */

extern int
mdb_key_read(
    Backend	*be,
	MDB_txn *txn,
	MDB_dbi dbi,
    struct berval *k,
	ID *ids,
    MDB_cursor **saved_cursor,
        int get_flags );

/*
 * nextid.c
 */

int mdb_next_id( BackendDB *be, MDB_cursor *mc, ID *id );

/*
 * modify.c
 */

int mdb_modify_internal(
	Operation *op,
	MDB_txn *tid,
	Modifications *modlist,
	Entry *e,
	const char **text,
	char *textbuf,
	size_t textlen );

/*
 * monitor.c
 */

int mdb_monitor_db_init( BackendDB *be );
int mdb_monitor_db_open( BackendDB *be );
int mdb_monitor_db_close( BackendDB *be );
int mdb_monitor_db_destroy( BackendDB *be );

#ifdef MDB_MONITOR_IDX
int
mdb_monitor_idx_add(
	struct mdb_info		*mdb,
	AttributeDescription	*desc,
	slap_mask_t		type );
#endif /* MDB_MONITOR_IDX */

/*
 * former external.h
 */

extern BI_init				mdb_back_initialize;

extern BI_db_config			mdb_db_config;

extern BI_op_add			mdb_add;
extern BI_op_bind			mdb_bind;
extern BI_op_compare			mdb_compare;
extern BI_op_delete			mdb_delete;
extern BI_op_modify			mdb_modify;
extern BI_op_modrdn			mdb_modrdn;
extern BI_op_search			mdb_search;
extern BI_op_extended			mdb_extended;

extern BI_chk_referrals			mdb_referrals;

extern BI_operational			mdb_operational;

extern BI_has_subordinates 		mdb_hasSubordinates;

/* tools.c */
extern BI_tool_entry_open		mdb_tool_entry_open;
extern BI_tool_entry_close		mdb_tool_entry_close;
extern BI_tool_entry_first_x		mdb_tool_entry_first_x;
extern BI_tool_entry_next		mdb_tool_entry_next;
extern BI_tool_entry_get		mdb_tool_entry_get;
extern BI_tool_entry_put		mdb_tool_entry_put;
extern BI_tool_entry_reindex		mdb_tool_entry_reindex;
extern BI_tool_dn2id_get		mdb_tool_dn2id_get;
extern BI_tool_entry_modify		mdb_tool_entry_modify;

extern mdb_idl_keyfunc mdb_tool_idl_add;

LDAP_END_DECL

#endif /* _PROTO_MDB_H */
