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-rw-r--r--servers/slapd/back-bdb/monitor.c724
1 files changed, 724 insertions, 0 deletions
diff --git a/servers/slapd/back-bdb/monitor.c b/servers/slapd/back-bdb/monitor.c
new file mode 100644
index 0000000..8603bcd
--- /dev/null
+++ b/servers/slapd/back-bdb/monitor.c
@@ -0,0 +1,724 @@
+/* monitor.c - monitor bdb backend */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2021 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>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
+#include <ac/stdlib.h>
+#include <ac/errno.h>
+#include <sys/stat.h>
+#include "lutil.h"
+#include "back-bdb.h"
+
+#include "../back-monitor/back-monitor.h"
+
+#include "config.h"
+
+static ObjectClass *oc_olmBDBDatabase;
+
+static AttributeDescription *ad_olmBDBEntryCache,
+ *ad_olmBDBDNCache, *ad_olmBDBIDLCache,
+ *ad_olmDbDirectory;
+
+#ifdef BDB_MONITOR_IDX
+static int
+bdb_monitor_idx_entry_add(
+ struct bdb_info *bdb,
+ Entry *e );
+
+static AttributeDescription *ad_olmDbNotIndexed;
+#endif /* BDB_MONITOR_IDX */
+
+/*
+ * NOTE: there's some confusion in monitor OID arc;
+ * by now, let's consider:
+ *
+ * Subsystems monitor attributes 1.3.6.1.4.1.4203.666.1.55.0
+ * Databases monitor attributes 1.3.6.1.4.1.4203.666.1.55.0.1
+ * BDB database monitor attributes 1.3.6.1.4.1.4203.666.1.55.0.1.1
+ *
+ * Subsystems monitor objectclasses 1.3.6.1.4.1.4203.666.3.16.0
+ * Databases monitor objectclasses 1.3.6.1.4.1.4203.666.3.16.0.1
+ * BDB database monitor objectclasses 1.3.6.1.4.1.4203.666.3.16.0.1.1
+ */
+
+static struct {
+ char *name;
+ char *oid;
+} s_oid[] = {
+ { "olmBDBAttributes", "olmDatabaseAttributes:1" },
+ { "olmBDBObjectClasses", "olmDatabaseObjectClasses:1" },
+
+ { NULL }
+};
+
+static struct {
+ char *desc;
+ AttributeDescription **ad;
+} s_at[] = {
+ { "( olmBDBAttributes:1 "
+ "NAME ( 'olmBDBEntryCache' ) "
+ "DESC 'Number of items in Entry Cache' "
+ "SUP monitorCounter "
+ "NO-USER-MODIFICATION "
+ "USAGE dSAOperation )",
+ &ad_olmBDBEntryCache },
+
+ { "( olmBDBAttributes:2 "
+ "NAME ( 'olmBDBDNCache' ) "
+ "DESC 'Number of items in DN Cache' "
+ "SUP monitorCounter "
+ "NO-USER-MODIFICATION "
+ "USAGE dSAOperation )",
+ &ad_olmBDBDNCache },
+
+ { "( olmBDBAttributes:3 "
+ "NAME ( 'olmBDBIDLCache' ) "
+ "DESC 'Number of items in IDL Cache' "
+ "SUP monitorCounter "
+ "NO-USER-MODIFICATION "
+ "USAGE dSAOperation )",
+ &ad_olmBDBIDLCache },
+
+ { "( olmDatabaseAttributes:1 "
+ "NAME ( 'olmDbDirectory' ) "
+ "DESC 'Path name of the directory "
+ "where the database environment resides' "
+ "SUP monitoredInfo "
+ "NO-USER-MODIFICATION "
+ "USAGE dSAOperation )",
+ &ad_olmDbDirectory },
+
+#ifdef BDB_MONITOR_IDX
+ { "( olmDatabaseAttributes:2 "
+ "NAME ( 'olmDbNotIndexed' ) "
+ "DESC 'Missing indexes resulting from candidate selection' "
+ "SUP monitoredInfo "
+ "NO-USER-MODIFICATION "
+ "USAGE dSAOperation )",
+ &ad_olmDbNotIndexed },
+#endif /* BDB_MONITOR_IDX */
+
+ { NULL }
+};
+
+static struct {
+ char *desc;
+ ObjectClass **oc;
+} s_oc[] = {
+ /* augments an existing object, so it must be AUXILIARY
+ * FIXME: derive from some ABSTRACT "monitoredEntity"? */
+ { "( olmBDBObjectClasses:1 "
+ "NAME ( 'olmBDBDatabase' ) "
+ "SUP top AUXILIARY "
+ "MAY ( "
+ "olmBDBEntryCache "
+ "$ olmBDBDNCache "
+ "$ olmBDBIDLCache "
+ "$ olmDbDirectory "
+#ifdef BDB_MONITOR_IDX
+ "$ olmDbNotIndexed "
+#endif /* BDB_MONITOR_IDX */
+ ") )",
+ &oc_olmBDBDatabase },
+
+ { NULL }
+};
+
+static int
+bdb_monitor_update(
+ Operation *op,
+ SlapReply *rs,
+ Entry *e,
+ void *priv )
+{
+ struct bdb_info *bdb = (struct bdb_info *) priv;
+ Attribute *a;
+
+ char buf[ BUFSIZ ];
+ struct berval bv;
+
+ assert( ad_olmBDBEntryCache != NULL );
+
+ a = attr_find( e->e_attrs, ad_olmBDBEntryCache );
+ assert( a != NULL );
+ bv.bv_val = buf;
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%lu", bdb->bi_cache.c_cursize );
+ ber_bvreplace( &a->a_vals[ 0 ], &bv );
+
+ a = attr_find( e->e_attrs, ad_olmBDBDNCache );
+ assert( a != NULL );
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%lu", bdb->bi_cache.c_eiused );
+ ber_bvreplace( &a->a_vals[ 0 ], &bv );
+
+ a = attr_find( e->e_attrs, ad_olmBDBIDLCache );
+ assert( a != NULL );
+ bv.bv_len = snprintf( buf, sizeof( buf ), "%lu", bdb->bi_idl_cache_size );
+ ber_bvreplace( &a->a_vals[ 0 ], &bv );
+
+#ifdef BDB_MONITOR_IDX
+ bdb_monitor_idx_entry_add( bdb, e );
+#endif /* BDB_MONITOR_IDX */
+
+ return SLAP_CB_CONTINUE;
+}
+
+#if 0 /* uncomment if required */
+static int
+bdb_monitor_modify(
+ Operation *op,
+ SlapReply *rs,
+ Entry *e,
+ void *priv )
+{
+ return SLAP_CB_CONTINUE;
+}
+#endif
+
+static int
+bdb_monitor_free(
+ Entry *e,
+ void **priv )
+{
+ struct berval values[ 2 ];
+ Modification mod = { 0 };
+
+ const char *text;
+ char textbuf[ SLAP_TEXT_BUFLEN ];
+
+ int i, rc;
+
+ /* NOTE: if slap_shutdown != 0, priv might have already been freed */
+ *priv = NULL;
+
+ /* Remove objectClass */
+ mod.sm_op = LDAP_MOD_DELETE;
+ mod.sm_desc = slap_schema.si_ad_objectClass;
+ mod.sm_values = values;
+ mod.sm_numvals = 1;
+ values[ 0 ] = oc_olmBDBDatabase->soc_cname;
+ BER_BVZERO( &values[ 1 ] );
+
+ rc = modify_delete_values( e, &mod, 1, &text,
+ textbuf, sizeof( textbuf ) );
+ /* don't care too much about return code... */
+
+ /* remove attrs */
+ mod.sm_values = NULL;
+ mod.sm_numvals = 0;
+ for ( i = 0; s_at[ i ].desc != NULL; i++ ) {
+ mod.sm_desc = *s_at[ i ].ad;
+ rc = modify_delete_values( e, &mod, 1, &text,
+ textbuf, sizeof( textbuf ) );
+ /* don't care too much about return code... */
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
+#define bdb_monitor_initialize BDB_SYMBOL(monitor_initialize)
+
+/*
+ * call from within bdb_initialize()
+ */
+static int
+bdb_monitor_initialize( void )
+{
+ int i, code;
+ ConfigArgs c;
+ char *argv[ 3 ];
+
+ static int bdb_monitor_initialized = 0;
+
+ /* set to 0 when successfully initialized; otherwise, remember failure */
+ static int bdb_monitor_initialized_failure = 1;
+
+ if ( bdb_monitor_initialized++ ) {
+ return bdb_monitor_initialized_failure;
+ }
+
+ if ( backend_info( "monitor" ) == NULL ) {
+ return -1;
+ }
+
+ /* register schema here */
+
+ argv[ 0 ] = "back-bdb/back-hdb monitor";
+ c.argv = argv;
+ c.argc = 3;
+ c.fname = argv[0];
+
+ for ( i = 0; s_oid[ i ].name; i++ ) {
+ c.lineno = i;
+ argv[ 1 ] = s_oid[ i ].name;
+ argv[ 2 ] = s_oid[ i ].oid;
+
+ if ( parse_oidm( &c, 0, NULL ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_monitor_initialize)
+ ": unable to add "
+ "objectIdentifier \"%s=%s\"\n",
+ s_oid[ i ].name, s_oid[ i ].oid, 0 );
+ return 2;
+ }
+ }
+
+ for ( i = 0; s_at[ i ].desc != NULL; i++ ) {
+ code = register_at( s_at[ i ].desc, s_at[ i ].ad, 1 );
+ if ( code != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_monitor_initialize)
+ ": register_at failed for attributeType (%s)\n",
+ s_at[ i ].desc, 0, 0 );
+ return 3;
+
+ } else {
+ (*s_at[ i ].ad)->ad_type->sat_flags |= SLAP_AT_HIDE;
+ }
+ }
+
+ for ( i = 0; s_oc[ i ].desc != NULL; i++ ) {
+ code = register_oc( s_oc[ i ].desc, s_oc[ i ].oc, 1 );
+ if ( code != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_monitor_initialize)
+ ": register_oc failed for objectClass (%s)\n",
+ s_oc[ i ].desc, 0, 0 );
+ return 4;
+
+ } else {
+ (*s_oc[ i ].oc)->soc_flags |= SLAP_OC_HIDE;
+ }
+ }
+
+ return ( bdb_monitor_initialized_failure = LDAP_SUCCESS );
+}
+
+/*
+ * call from within bdb_db_init()
+ */
+int
+bdb_monitor_db_init( BackendDB *be )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+
+ if ( bdb_monitor_initialize() == LDAP_SUCCESS ) {
+ /* monitoring in back-bdb is on by default */
+ SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_MONITORING;
+ }
+
+#ifdef BDB_MONITOR_IDX
+ bdb->bi_idx = NULL;
+ ldap_pvt_thread_mutex_init( &bdb->bi_idx_mutex );
+#endif /* BDB_MONITOR_IDX */
+
+ return 0;
+}
+
+/*
+ * call from within bdb_db_open()
+ */
+int
+bdb_monitor_db_open( BackendDB *be )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+ Attribute *a, *next;
+ monitor_callback_t *cb = NULL;
+ int rc = 0;
+ BackendInfo *mi;
+ monitor_extra_t *mbe;
+
+ if ( !SLAP_DBMONITORING( be ) ) {
+ return 0;
+ }
+
+ mi = backend_info( "monitor" );
+ if ( !mi || !mi->bi_extra ) {
+ SLAP_DBFLAGS( be ) ^= SLAP_DBFLAG_MONITORING;
+ return 0;
+ }
+ mbe = mi->bi_extra;
+
+ /* don't bother if monitor is not configured */
+ if ( !mbe->is_configured() ) {
+ static int warning = 0;
+
+ if ( warning++ == 0 ) {
+ Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_monitor_db_open)
+ ": monitoring disabled; "
+ "configure monitor database to enable\n",
+ 0, 0, 0 );
+ }
+
+ return 0;
+ }
+
+ /* alloc as many as required (plus 1 for objectClass) */
+ a = attrs_alloc( 1 + 4 );
+ if ( a == NULL ) {
+ rc = 1;
+ goto cleanup;
+ }
+
+ a->a_desc = slap_schema.si_ad_objectClass;
+ attr_valadd( a, &oc_olmBDBDatabase->soc_cname, NULL, 1 );
+ next = a->a_next;
+
+ {
+ struct berval bv = BER_BVC( "0" );
+
+ next->a_desc = ad_olmBDBEntryCache;
+ attr_valadd( next, &bv, NULL, 1 );
+ next = next->a_next;
+
+ next->a_desc = ad_olmBDBDNCache;
+ attr_valadd( next, &bv, NULL, 1 );
+ next = next->a_next;
+
+ next->a_desc = ad_olmBDBIDLCache;
+ attr_valadd( next, &bv, NULL, 1 );
+ next = next->a_next;
+ }
+
+ {
+ struct berval bv, nbv;
+ ber_len_t pathlen = 0, len = 0;
+ char path[ MAXPATHLEN ] = { '\0' };
+ char *fname = bdb->bi_dbenv_home,
+ *ptr;
+
+ len = strlen( fname );
+ if ( fname[ 0 ] != '/' ) {
+ /* get full path name */
+ getcwd( path, sizeof( path ) );
+ pathlen = strlen( path );
+
+ if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) {
+ fname += 2;
+ len -= 2;
+ }
+ }
+
+ bv.bv_len = pathlen + STRLENOF( "/" ) + len;
+ ptr = bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 );
+ if ( pathlen ) {
+ ptr = lutil_strncopy( ptr, path, pathlen );
+ ptr[ 0 ] = '/';
+ ptr++;
+ }
+ ptr = lutil_strncopy( ptr, fname, len );
+ if ( ptr[ -1 ] != '/' ) {
+ ptr[ 0 ] = '/';
+ ptr++;
+ }
+ ptr[ 0 ] = '\0';
+
+ attr_normalize_one( ad_olmDbDirectory, &bv, &nbv, NULL );
+
+ next->a_desc = ad_olmDbDirectory;
+ next->a_vals = ch_calloc( sizeof( struct berval ), 2 );
+ next->a_vals[ 0 ] = bv;
+ next->a_numvals = 1;
+
+ if ( BER_BVISNULL( &nbv ) ) {
+ next->a_nvals = next->a_vals;
+
+ } else {
+ next->a_nvals = ch_calloc( sizeof( struct berval ), 2 );
+ next->a_nvals[ 0 ] = nbv;
+ }
+
+ next = next->a_next;
+ }
+
+ cb = ch_calloc( sizeof( monitor_callback_t ), 1 );
+ cb->mc_update = bdb_monitor_update;
+#if 0 /* uncomment if required */
+ cb->mc_modify = bdb_monitor_modify;
+#endif
+ cb->mc_free = bdb_monitor_free;
+ cb->mc_private = (void *)bdb;
+
+ /* make sure the database is registered; then add monitor attributes */
+ rc = mbe->register_database( be, &bdb->bi_monitor.bdm_ndn );
+ if ( rc == 0 ) {
+ rc = mbe->register_entry_attrs( &bdb->bi_monitor.bdm_ndn, a, cb,
+ NULL, 0, NULL );
+ }
+
+cleanup:;
+ if ( rc != 0 ) {
+ if ( cb != NULL ) {
+ ch_free( cb );
+ cb = NULL;
+ }
+
+ if ( a != NULL ) {
+ attrs_free( a );
+ a = NULL;
+ }
+ }
+
+ /* store for cleanup */
+ bdb->bi_monitor.bdm_cb = (void *)cb;
+
+ /* we don't need to keep track of the attributes, because
+ * bdb_monitor_free() takes care of everything */
+ if ( a != NULL ) {
+ attrs_free( a );
+ }
+
+ return rc;
+}
+
+/*
+ * call from within bdb_db_close()
+ */
+int
+bdb_monitor_db_close( BackendDB *be )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+
+ if ( !BER_BVISNULL( &bdb->bi_monitor.bdm_ndn ) ) {
+ BackendInfo *mi = backend_info( "monitor" );
+ monitor_extra_t *mbe;
+
+ if ( mi && &mi->bi_extra ) {
+ mbe = mi->bi_extra;
+ mbe->unregister_entry_callback( &bdb->bi_monitor.bdm_ndn,
+ (monitor_callback_t *)bdb->bi_monitor.bdm_cb,
+ NULL, 0, NULL );
+ }
+
+ memset( &bdb->bi_monitor, 0, sizeof( bdb->bi_monitor ) );
+ }
+
+ return 0;
+}
+
+/*
+ * call from within bdb_db_destroy()
+ */
+int
+bdb_monitor_db_destroy( BackendDB *be )
+{
+#ifdef BDB_MONITOR_IDX
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+
+ /* TODO: free tree */
+ ldap_pvt_thread_mutex_destroy( &bdb->bi_idx_mutex );
+ avl_free( bdb->bi_idx, ch_free );
+#endif /* BDB_MONITOR_IDX */
+
+ return 0;
+}
+
+#ifdef BDB_MONITOR_IDX
+
+#define BDB_MONITOR_IDX_TYPES (4)
+
+typedef struct monitor_idx_t monitor_idx_t;
+
+struct monitor_idx_t {
+ AttributeDescription *idx_ad;
+ unsigned long idx_count[BDB_MONITOR_IDX_TYPES];
+};
+
+static int
+bdb_monitor_bitmask2key( slap_mask_t bitmask )
+{
+ int key;
+
+ for ( key = 0; key < 8 * (int)sizeof(slap_mask_t) && !( bitmask & 0x1U );
+ key++ )
+ bitmask >>= 1;
+
+ return key;
+}
+
+static struct berval idxbv[] = {
+ BER_BVC( "present=" ),
+ BER_BVC( "equality=" ),
+ BER_BVC( "approx=" ),
+ BER_BVC( "substr=" ),
+ BER_BVNULL
+};
+
+static ber_len_t
+bdb_monitor_idx2len( monitor_idx_t *idx )
+{
+ int i;
+ ber_len_t len = 0;
+
+ for ( i = 0; i < BDB_MONITOR_IDX_TYPES; i++ ) {
+ if ( idx->idx_count[ i ] != 0 ) {
+ len += idxbv[i].bv_len;
+ }
+ }
+
+ return len;
+}
+
+static int
+monitor_idx_cmp( const void *p1, const void *p2 )
+{
+ const monitor_idx_t *idx1 = (const monitor_idx_t *)p1;
+ const monitor_idx_t *idx2 = (const monitor_idx_t *)p2;
+
+ return SLAP_PTRCMP( idx1->idx_ad, idx2->idx_ad );
+}
+
+static int
+monitor_idx_dup( void *p1, void *p2 )
+{
+ monitor_idx_t *idx1 = (monitor_idx_t *)p1;
+ monitor_idx_t *idx2 = (monitor_idx_t *)p2;
+
+ return SLAP_PTRCMP( idx1->idx_ad, idx2->idx_ad ) == 0 ? -1 : 0;
+}
+
+int
+bdb_monitor_idx_add(
+ struct bdb_info *bdb,
+ AttributeDescription *desc,
+ slap_mask_t type )
+{
+ monitor_idx_t idx_dummy = { 0 },
+ *idx;
+ int rc = 0, key;
+
+ idx_dummy.idx_ad = desc;
+ key = bdb_monitor_bitmask2key( type ) - 1;
+ if ( key >= BDB_MONITOR_IDX_TYPES ) {
+ /* invalid index type */
+ return -1;
+ }
+
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idx_mutex );
+
+ idx = (monitor_idx_t *)avl_find( bdb->bi_idx,
+ (caddr_t)&idx_dummy, monitor_idx_cmp );
+ if ( idx == NULL ) {
+ idx = (monitor_idx_t *)ch_calloc( sizeof( monitor_idx_t ), 1 );
+ idx->idx_ad = desc;
+ idx->idx_count[ key ] = 1;
+
+ switch ( avl_insert( &bdb->bi_idx, (caddr_t)idx,
+ monitor_idx_cmp, monitor_idx_dup ) )
+ {
+ case 0:
+ break;
+
+ default:
+ ch_free( idx );
+ rc = -1;
+ }
+
+ } else {
+ idx->idx_count[ key ]++;
+ }
+
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idx_mutex );
+
+ return rc;
+}
+
+static int
+bdb_monitor_idx_apply( void *v_idx, void *v_valp )
+{
+ monitor_idx_t *idx = (monitor_idx_t *)v_idx;
+ BerVarray *valp = (BerVarray *)v_valp;
+
+ struct berval bv;
+ char *ptr;
+ char count_buf[ BDB_MONITOR_IDX_TYPES ][ SLAP_TEXT_BUFLEN ];
+ ber_len_t count_len[ BDB_MONITOR_IDX_TYPES ],
+ idx_len;
+ int i, num = 0;
+
+ idx_len = bdb_monitor_idx2len( idx );
+
+ bv.bv_len = 0;
+ for ( i = 0; i < BDB_MONITOR_IDX_TYPES; i++ ) {
+ if ( idx->idx_count[ i ] == 0 ) {
+ continue;
+ }
+
+ count_len[ i ] = snprintf( count_buf[ i ],
+ sizeof( count_buf[ i ] ), "%lu", idx->idx_count[ i ] );
+ bv.bv_len += count_len[ i ];
+ num++;
+ }
+
+ bv.bv_len += idx->idx_ad->ad_cname.bv_len
+ + num
+ + idx_len;
+ ptr = bv.bv_val = ch_malloc( bv.bv_len + 1 );
+ ptr = lutil_strcopy( ptr, idx->idx_ad->ad_cname.bv_val );
+ for ( i = 0; i < BDB_MONITOR_IDX_TYPES; i++ ) {
+ if ( idx->idx_count[ i ] == 0 ) {
+ continue;
+ }
+
+ ptr[ 0 ] = '#';
+ ++ptr;
+ ptr = lutil_strcopy( ptr, idxbv[ i ].bv_val );
+ ptr = lutil_strcopy( ptr, count_buf[ i ] );
+ }
+
+ ber_bvarray_add( valp, &bv );
+
+ return 0;
+}
+
+static int
+bdb_monitor_idx_entry_add(
+ struct bdb_info *bdb,
+ Entry *e )
+{
+ BerVarray vals = NULL;
+ Attribute *a;
+
+ a = attr_find( e->e_attrs, ad_olmDbNotIndexed );
+
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idx_mutex );
+
+ avl_apply( bdb->bi_idx, bdb_monitor_idx_apply,
+ &vals, -1, AVL_INORDER );
+
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idx_mutex );
+
+ if ( vals != NULL ) {
+ if ( a != NULL ) {
+ assert( a->a_nvals == a->a_vals );
+
+ ber_bvarray_free( a->a_vals );
+
+ } else {
+ Attribute **ap;
+
+ for ( ap = &e->e_attrs; *ap != NULL; ap = &(*ap)->a_next )
+ ;
+ *ap = attr_alloc( ad_olmDbNotIndexed );
+ a = *ap;
+ }
+ a->a_vals = vals;
+ a->a_nvals = a->a_vals;
+ }
+
+ return 0;
+}
+
+#endif /* BDB_MONITOR_IDX */