Framework for back-bdb

This commit is contained in:
Kurt Zeilenga 2000-09-18 18:51:07 +00:00
parent ad08ff008e
commit 583cbc8c25
6 changed files with 517 additions and 2 deletions

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/* back-bdb.h - ldap ldbm back-end header file */
/* $OpenLDAP$ */
/*
* Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef _BACK_BDB_H_
#define _BACK_BDB_H_
#include <portable.h>
#include <db.h>
LDAP_BEGIN_DECL
#define DEFAULT_MODE 0600
#define DEFAULT_CACHE_SIZE 1000
#define DEFAULT_DBCACHE_SIZE (100 * DEFAULT_DB_PAGE_SIZE)
#define DEFAULT_DB_DIRECTORY LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb"
#define DEFAULT_DBENV_HOME LDAP_RUNDIR LDAP_DIRSEP "openldap-bdb-home"
#define DEFAULT_DBENV_MODE DEFAULT_MODE
#define DEFAULT_BLOCKSIZE 8192
struct bdb_dbinfo {
DB_ENV *bdi_dbenv;
/* DBenv parameters */
char *bdi_dbenv_home;
u_int32_t bdi_dbenv_xflags; /* extra flags */
int bdi_dbenv_mode;
slap_mask_t bdi_db_mode;
char *bdi_db_directory;
};
LDAP_END_DECL
#endif /* _BACK_BDB_H_ */

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/* $OpenLDAP$ */
/*
* Copyright 2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#ifndef _BDB_EXTERNAL_H
#define _BDB_EXTERNAL_H
LDAP_BEGIN_DECL
extern int bdb_back_initialize LDAP_P(( BackendInfo *bi ));
extern int bdb_back_open LDAP_P(( BackendInfo *bi ));
extern int bdb_back_close LDAP_P(( BackendInfo *bi ));
extern int bdb_back_destroy LDAP_P(( BackendInfo *bi ));
extern int bdb_back_db_init LDAP_P(( BackendDB *bd ));
extern int bdb_back_db_open LDAP_P(( BackendDB *bd ));
extern int bdb_back_db_close LDAP_P(( BackendDB *bd ));
extern int bdb_back_db_destroy LDAP_P(( BackendDB *bd ));
extern int bdb_back_db_config LDAP_P(( BackendDB *bd,
const char *fname, int lineno,
int argc, char **argv ));
extern int bdb_back_extended LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *reqoid,
struct berval *reqdata,
char **rspoid,
struct berval **rspdata,
LDAPControl *** rspctrls,
const char **text,
struct berval *** refs ));
extern int bdb_back_bind LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn, int method,
struct berval *cred, char** edn ));
extern int bdb_back_unbind LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op ));
extern int bdb_back_search LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *base, const char *nbase,
int scope, int deref, int sizelimit, int timelimit,
Filter *filter, const char *filterstr,
char **attrs, int attrsonly ));
extern int bdb_back_compare LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn,
AttributeAssertion *ava ));
extern int bdb_back_modify LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn, Modifications *ml ));
extern int bdb_back_modrdn LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn,
const char* newrdn, int deleteoldrdn,
const char *newSuperior ));
extern int bdb_back_add LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op, Entry *e ));
extern int bdb_back_delete LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn ));
extern int bdb_back_abandon LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op, ber_int_t msgid ));
extern int bdb_back_group LDAP_P(( BackendDB *bd,
Entry *target,
const char* gr_ndn,
const char* op_ndn,
ObjectClass* group_oc,
AttributeDescription* group_at));
extern int bdb_back_attribute LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
Entry *target,
const char* e_ndn,
AttributeDescription* entry_at,
struct berval ***vals));
/* hooks for slap tools */
extern int bdb_tool_entry_open LDAP_P(( BackendDB *be, int mode ));
extern int bdb_tool_entry_close LDAP_P(( BackendDB *be ));
extern ID bdb_tool_entry_first LDAP_P(( BackendDB *be ));
extern ID bdb_tool_entry_next LDAP_P(( BackendDB *be ));
extern Entry* bdb_tool_entry_get LDAP_P(( BackendDB *be, ID id ));
extern ID bdb_tool_entry_put LDAP_P(( BackendDB *be, Entry *e ));
extern int bdb_tool_entry_reindex LDAP_P(( BackendDB *be, ID id ));
extern int bdb_tool_sync LDAP_P(( BackendDB *be ));
extern int bdb_back_referrals LDAP_P(( BackendDB *bd,
Connection *conn, Operation *op,
const char *dn, const char *ndn,
const char **text ));
LDAP_END_DECL
#endif /* _BDB_EXTERNAL_H */

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@ -0,0 +1,214 @@
/* init.c - initialize bdb backend */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-bdb.h"
#ifdef SLAPD_BDB_DYNAMIC
int back_bdb_LTX_init_module(int argc, char *argv[]) {
BackendInfo bi;
memset( &bi, '\0', sizeof(bi) );
bi.bi_type = "bdb";
bi.bi_init = bdb_back_initialize;
backend_add(&bi);
return 0;
}
#endif /* SLAPD_BDB_DYNAMIC */
int
bdb_back_initialize(
BackendInfo *bi
)
{
static char *controls[] = {
LDAP_CONTROL_MANAGEDSAIT,
NULL
};
{ /* version check */
int major, minor, patch;
char *version = db_version( &major, &minor, &patch );
if( major != DB_VERSION_MAJOR || minor != DB_VERSION_MINOR ||
patch < DB_VERSION_PATCH )
{
Debug( LDAP_DEBUG_ANY,
"bdb_back_initialize: version mismatch\n"
"\texpected: " DB_VERSION_STRING "\n"
"\tgot: %s \n", version, 0, 0 );
}
Debug( LDAP_DEBUG_ANY, "bdb_back_initialize: %s\n",
version, 0, 0 );
}
#if 0
bi->bi_controls = controls;
bi->bi_open = bdb_back_open;
bi->bi_config = 0;
bi->bi_close = bdb_back_close;
bi->bi_destroy = bdb_back_destroy;
bi->bi_db_init = bdb_back_db_init;
bi->bi_db_config = bdb_back_db_config;
bi->bi_db_open = bdb_back_db_open;
bi->bi_db_close = bdb_back_db_close;
bi->bi_db_destroy = bdb_back_db_destroy;
bi->bi_op_bind = bdb_back_bind;
bi->bi_op_unbind = bdb_back_unbind;
bi->bi_op_search = bdb_back_search;
bi->bi_op_compare = bdb_back_compare;
bi->bi_op_modify = bdb_back_modify;
bi->bi_op_modrdn = bdb_back_modrdn;
bi->bi_op_add = bdb_back_add;
bi->bi_op_delete = bdb_back_delete;
bi->bi_op_abandon = bdb_back_abandon;
bi->bi_extended = bdb_back_extended;
bi->bi_entry_release_rw = bdb_back_entry_release_rw;
bi->bi_acl_group = bdb_back_group;
bi->bi_acl_attribute = bdb_back_attribute;
bi->bi_chk_referrals = bdb_back_referrals;
/*
* hooks for slap tools
*/
bi->bi_tool_entry_open = bdb_tool_entry_open;
bi->bi_tool_entry_close = bdb_tool_entry_close;
bi->bi_tool_entry_first = bdb_tool_entry_first;
bi->bi_tool_entry_next = bdb_tool_entry_next;
bi->bi_tool_entry_get = bdb_tool_entry_get;
bi->bi_tool_entry_put = bdb_tool_entry_put;
bi->bi_tool_entry_reindex = bdb_tool_entry_reindex;
bi->bi_tool_sync = bdb_tool_sync;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
#endif
return 0;
}
int
bdb_back_destroy(
BackendInfo *bi
)
{
return 0;
}
int
bdb_back_open(
BackendInfo *bi
)
{
/* initialize the underlying database system */
return 0;
}
int
bdb_back_close(
BackendInfo *bi
)
{
/* terminate the underlying database system */
return 0;
}
int
bdb_back_db_init(
Backend *be
)
{
struct bdb_dbinfo *bdi;
/* allocate backend-database-specific stuff */
bdi = (struct bdb_dbinfo *) ch_calloc( 1, sizeof(struct bdb_dbinfo) );
/* DBEnv parameters */
bdi->bdi_dbenv_home = ch_strdup( DEFAULT_DBENV_HOME );
bdi->bdi_dbenv_xflags = 0;
bdi->bdi_dbenv_mode = DEFAULT_DBENV_MODE;
/* default database directories */
bdi->bdi_db_directory = ch_strdup( DEFAULT_DB_DIRECTORY );
be->be_private = bdi;
return 0;
}
int
bdb_back_db_open(
BackendDB *be
)
{
int rc;
struct bdb_dbinfo *bdi = (struct bdb_dbinfo *) be->be_private;
u_int32_t flags;
/* we should check existance of dbenv_home and db_directory */
rc = db_env_create( &bdi->bdi_dbenv, 0 );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"bdb_back_db_open: db_env_create failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
return rc;
}
flags = DB_INIT_LOCK | DB_INIT_TXN |
DB_PRIVATE | DB_RECOVER | DB_THREAD;
rc = bdi->bdi_dbenv->open( bdi->bdi_dbenv,
bdi->bdi_dbenv_home,
flags | bdi->bdi_dbenv_xflags,
bdi->bdi_dbenv_mode );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"bdb_back_db_open: db_open failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
return rc;
}
return 0;
}
int
bdb_back_db_destroy(
BackendDB *be
)
{
int rc;
struct bdb_dbinfo *bdi = (struct bdb_dbinfo *) be->be_private;
rc = bdi->bdi_dbenv->close( bdi->bdi_dbenv, 0 );
bdi->bdi_dbenv = NULL;
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"bdb_back_db_open: db_open failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
return rc;
}
return 0;
}

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@ -105,7 +105,6 @@ ldbm_back_open(
/* initialize the underlying database system */
rc = ldbm_initialize( NULL );
return rc;
}
@ -116,7 +115,6 @@ ldbm_back_close(
{
/* terminate the underlying database system */
ldbm_shutdown();
return 0;
}

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@ -18,6 +18,9 @@
#include "slap.h"
#include "lutil.h"
#ifdef SLAPD_BDB
#include "back-bdb/external.h"
#endif
#ifdef SLAPD_DNSSRV
#include "back-dnssrv/external.h"
#endif
@ -47,6 +50,9 @@
#endif
static BackendInfo binfo[] = {
#if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
{"bdb", bdb_back_initialize},
#endif
#if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
{"dnssrv", dnssrv_back_initialize},
#endif