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/* overlay.c - deals with overlay subsystem */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2001-2022 The OpenLDAP Foundation.
* Portions Copyright 2001-2003 Pierangelo Masarati.
* 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 file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include "slap.h"
#include "back-monitor.h"
/*
* initializes overlay subentries
*/
int
monitor_subsys_overlay_init(
BackendDB *be,
monitor_subsys_t *ms
)
{
monitor_info_t *mi;
Entry *e_overlay, **ep;
int i;
monitor_entry_t *mp;
slap_overinst *on;
monitor_subsys_t *ms_database;
mi = ( monitor_info_t * )be->be_private;
ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
if ( ms_database == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_backend_init: "
"unable to get "
"\"" SLAPD_MONITOR_DATABASE_NAME "\" "
"subsystem\n" );
return -1;
}
if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_overlay_init: "
"unable to get entry \"%s\"\n",
ms->mss_ndn.bv_val );
return( -1 );
}
mp = ( monitor_entry_t * )e_overlay->e_private;
mp->mp_children = NULL;
ep = &mp->mp_children;
for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) {
char buf[ BACKMONITOR_BUFSIZE ];
struct berval bv;
int j;
Entry *e;
BackendDB *be;
bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i );
bv.bv_val = buf;
e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
mi->mi_oc_monitoredObject, NULL, NULL );
if ( e == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_overlay_init: "
"unable to create entry \"cn=Overlay %d,%s\"\n",
i, ms->mss_ndn.bv_val );
return( -1 );
}
ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv :
(struct berval *)&slap_false_bv, NULL );
attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
&bv, NULL );
j = -1;
LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
char buf[ SLAP_LDAPDN_MAXLEN ];
struct berval dn;
j++;
if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
continue;
}
snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
j, ms_database->mss_dn.bv_val );
ber_str2bv( buf, 0, 0, &dn );
attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
&dn, NULL );
}
mp = monitor_entrypriv_create();
if ( mp == NULL ) {
return -1;
}
e->e_private = ( void * )mp;
mp->mp_info = ms;
mp->mp_flags = ms->mss_flags
| MONITOR_F_SUB;
if ( monitor_cache_add( mi, e ) ) {
Debug( LDAP_DEBUG_ANY,
"monitor_subsys_overlay_init: "
"unable to add entry \"cn=Overlay %d,%s\"\n",
i, ms->mss_ndn.bv_val );
return( -1 );
}
*ep = e;
ep = &mp->mp_next;
}
monitor_cache_release( mi, e_overlay );
return( 0 );
}
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