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overlay.c revision 1.1.1.3.12.1 
      1 /*	$NetBSD: overlay.c,v 1.1.1.3.12.1 2014/08/19 23:52:02 tls Exp $	*/
      2 
      3 /* overlay.c - deals with overlay subsystem */
      4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      5  *
      6  * Copyright 2001-2014 The OpenLDAP Foundation.
      7  * Portions Copyright 2001-2003 Pierangelo Masarati.
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted only as authorized by the OpenLDAP
     12  * Public License.
     13  *
     14  * A copy of this license is available in file LICENSE in the
     15  * top-level directory of the distribution or, alternatively, at
     16  * <http://www.OpenLDAP.org/license.html>.
     17  */
     18 /* ACKNOWLEDGEMENTS:
     19  * This work was initially developed by Pierangelo Masarati for inclusion
     20  * in OpenLDAP Software.
     21  */
     22 
     23 
     24 #include "portable.h"
     25 
     26 #include <stdio.h>
     27 #include <ac/string.h>
     28 
     29 #include "slap.h"
     30 #include "back-monitor.h"
     31 
     32 /*
     33  * initializes overlay subentries
     34  */
     35 int
     36 monitor_subsys_overlay_init(
     37 	BackendDB		*be,
     38 	monitor_subsys_t	*ms
     39 )
     40 {
     41 	monitor_info_t		*mi;
     42 	Entry			*e_overlay, **ep;
     43 	int			i;
     44 	monitor_entry_t		*mp;
     45 	slap_overinst		*on;
     46 	monitor_subsys_t	*ms_database;
     47 
     48 	mi = ( monitor_info_t * )be->be_private;
     49 
     50 	ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME );
     51 	if ( ms_database == NULL ) {
     52 		Debug( LDAP_DEBUG_ANY,
     53 			"monitor_subsys_backend_init: "
     54 			"unable to get "
     55 			"\"" SLAPD_MONITOR_DATABASE_NAME "\" "
     56 			"subsystem\n",
     57 			0, 0, 0 );
     58 		return -1;
     59 	}
     60 
     61 	if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) {
     62 		Debug( LDAP_DEBUG_ANY,
     63 			"monitor_subsys_overlay_init: "
     64 			"unable to get entry \"%s\"\n",
     65 			ms->mss_ndn.bv_val, 0, 0 );
     66 		return( -1 );
     67 	}
     68 
     69 	mp = ( monitor_entry_t * )e_overlay->e_private;
     70 	mp->mp_children = NULL;
     71 	ep = &mp->mp_children;
     72 
     73 	for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) {
     74 		char 		buf[ BACKMONITOR_BUFSIZE ];
     75 		struct berval 	bv;
     76 		int		j;
     77 		Entry		*e;
     78 		BackendDB	*be;
     79 
     80 		bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i );
     81 		bv.bv_val = buf;
     82 		e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv,
     83 			mi->mi_oc_monitoredObject, NULL, NULL );
     84 		if ( e == NULL ) {
     85 			Debug( LDAP_DEBUG_ANY,
     86 				"monitor_subsys_overlay_init: "
     87 				"unable to create entry \"cn=Overlay %d,%s\"\n",
     88 				i, ms->mss_ndn.bv_val, 0 );
     89 			return( -1 );
     90 		}
     91 		ber_str2bv( on->on_bi.bi_type, 0, 0, &bv );
     92 		attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
     93 		attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig,
     94 			on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv :
     95 				(struct berval *)&slap_false_bv, NULL );
     96 
     97 		attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo,
     98 				&bv, NULL );
     99 
    100 		j = -1;
    101 		LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
    102 			char		buf[ SLAP_LDAPDN_MAXLEN ];
    103 			struct berval	dn;
    104 
    105 			j++;
    106 			if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) {
    107 				continue;
    108 			}
    109 
    110 			snprintf( buf, sizeof( buf ), "cn=Database %d,%s",
    111 					j, ms_database->mss_dn.bv_val );
    112 
    113 			ber_str2bv( buf, 0, 0, &dn );
    114 			attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso,
    115 					&dn, NULL );
    116 		}
    117 
    118 		mp = monitor_entrypriv_create();
    119 		if ( mp == NULL ) {
    120 			return -1;
    121 		}
    122 		e->e_private = ( void * )mp;
    123 		mp->mp_info = ms;
    124 		mp->mp_flags = ms->mss_flags
    125 			| MONITOR_F_SUB;
    126 
    127 		if ( monitor_cache_add( mi, e ) ) {
    128 			Debug( LDAP_DEBUG_ANY,
    129 				"monitor_subsys_overlay_init: "
    130 				"unable to add entry \"cn=Overlay %d,%s\"\n",
    131 				i, ms->mss_ndn.bv_val, 0 );
    132 			return( -1 );
    133 		}
    134 
    135 		*ep = e;
    136 		ep = &mp->mp_next;
    137 	}
    138 
    139 	monitor_cache_release( mi, e_overlay );
    140 
    141 	return( 0 );
    142 }
    143 
    144