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-rw-r--r--servers/slapd/back-monitor/overlay.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/servers/slapd/back-monitor/overlay.c b/servers/slapd/back-monitor/overlay.c
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index 0000000..e2e8fab
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+++ b/servers/slapd/back-monitor/overlay.c
@@ -0,0 +1,141 @@
+/* overlay.c - deals with overlay subsystem */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2001-2021 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",
+ 0, 0, 0 );
+ 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, 0, 0 );
+ 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, 0 );
+ 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, 0 );
+ return( -1 );
+ }
+
+ *ep = e;
+ ep = &mp->mp_next;
+ }
+
+ monitor_cache_release( mi, e_overlay );
+
+ return( 0 );
+}
+