openldap/servers/slapd/back-bdb/tools.c

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/* tools.c - tools for slap tools */
/* $OpenLDAP$ */
/*
* 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 "back-bdb.h"
static DBC *cursor = NULL;
static DBT key, data;
int bdb_tool_entry_open(
BackendDB *be, int mode )
{
/* initialize key and data thangs */
DBTzero( &key );
DBTzero( &data );
key.flags = DB_DBT_REALLOC;
data.flags = DB_DBT_REALLOC;
return 0;
}
int bdb_tool_entry_close(
BackendDB *be )
{
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
assert( be != NULL );
if( key.data ) {
ch_free( key.data );
key.data = NULL;
}
if( data.data ) {
ch_free( data.data );
data.data = NULL;
}
if( cursor ) {
cursor->c_close( cursor );
cursor = NULL;
}
return 0;
}
ID bdb_tool_entry_next(
BackendDB *be )
{
int rc;
ID id;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
assert( be != NULL );
assert( slapMode & SLAP_TOOL_MODE );
assert( bdb != NULL );
if (cursor == NULL) {
rc = bdb->bi_id2entry->bdi_db->cursor(
bdb->bi_id2entry->bdi_db, NULL, &cursor,
bdb->bi_db_opflags );
if( rc != 0 ) {
return NOID;
}
}
rc = cursor->c_get( cursor, &key, &data, DB_NEXT );
if( rc != 0 ) {
return NOID;
}
if( data.data == NULL ) {
return NOID;
}
AC_MEMCPY( &id, key.data, key.size );
return id;
}
Entry* bdb_tool_entry_get( BackendDB *be, ID id )
{
int rc;
Entry *e;
struct berval bv;
assert( be != NULL );
assert( slapMode & SLAP_TOOL_MODE );
assert( data.data != NULL );
DBT2bv( &data, &bv );
rc = entry_decode( &bv, &e );
if( rc == LDAP_SUCCESS ) {
e->e_id = id;
}
#ifdef BDB_HIER
bdb_fix_dn(be, id, e);
#endif
return e;
}
ID bdb_tool_entry_put(
BackendDB *be,
Entry *e )
{
int rc;
struct bdb_info *bdb = (struct bdb_info *) be->be_private;
DB_TXN *tid = NULL;
char *pdn;
assert( be != NULL );
assert( slapMode & SLAP_TOOL_MODE );
Debug( LDAP_DEBUG_TRACE, "=> bdb_tool_entry_put( %ld, \"%s\" )\n",
(long) e->e_id, e->e_dn, 0 );
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if( bdb->bi_txn ) {
rc = txn_begin( bdb->bi_dbenv, NULL, &tid,
bdb->bi_db_opflags );
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if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: txn_begin failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
return NOID;
}
}
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rc = bdb_next_id( be, tid, &e->e_id );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: next_id failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
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/* add dn2id indices */
pdn = dn_parent( be, e->e_ndn );
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rc = bdb_dn2id_add( be, tid, pdn, e );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: dn2id_add failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
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/* id2entry index */
rc = bdb_id2entry_add( be, tid, e );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: id2entry_add failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
rc = bdb_index_entry_add( be, tid, e, e->e_attrs );
if( rc != 0 ) {
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Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: index_entry_add failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
done:
if( bdb->bi_txn ) {
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if( rc == 0 ) {
rc = txn_commit( tid, 0 );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_put: txn_commit failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
e->e_id = NOID;
}
} else {
txn_abort( tid );
Debug( LDAP_DEBUG_ANY,
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"=> bdb_tool_entry_put: txn_aborted! %s (%d)\n",
db_strerror(rc), rc, 0 );
e->e_id = NOID;
}
}
return e->e_id;
}
int bdb_tool_entry_reindex(
BackendDB *be,
ID id )
{
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struct bdb_info *bi = (struct bdb_info *) be->be_private;
int rc;
Entry *e;
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DB_TXN *tid = NULL;
char *pdn;
Debug( LDAP_DEBUG_ARGS, "=> bdb_tool_entry_reindex( %ld )\n",
(long) id, 0, 0 );
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e = bdb_tool_entry_get( be, id );
if( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"bdb_tool_entry_reindex:: could not locate id=%ld\n",
(long) id, 0, 0 );
return -1;
}
if( bi->bi_txn ) {
rc = txn_begin( bi->bi_dbenv, NULL, &tid, bi->bi_db_opflags );
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if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_reindex: txn_begin failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
}
/*
* just (re)add them for now
* assume that some other routine (not yet implemented)
* will zap index databases
*
*/
Debug( LDAP_DEBUG_TRACE, "=> bdb_tool_entry_reindex( %ld, \"%s\" )\n",
(long) id, e->e_dn, 0 );
/* add dn2id indices */
pdn = dn_parent( be, e->e_ndn );
rc = bdb_dn2id_add( be, tid, pdn, e );
if( rc != 0 && rc != DB_KEYEXIST ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_reindex: dn2id_add failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
goto done;
}
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rc = bdb_index_entry_add( be, tid, e, e->e_attrs );
done:
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if( bi->bi_txn ) {
if( rc == 0 ) {
rc = txn_commit( tid, 0 );
if( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"=> bdb_tool_entry_reindex: txn_commit failed: %s (%d)\n",
db_strerror(rc), rc, 0 );
e->e_id = NOID;
}
} else {
txn_abort( tid );
Debug( LDAP_DEBUG_ANY,
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"=> bdb_tool_entry_reindex: txn_aborted! %s (%d)\n",
db_strerror(rc), rc, 0 );
e->e_id = NOID;
}
}
return rc;
}