1 /* overlay.c - deals with overlay subsystem */ 2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 3 * 4 * Copyright 2001-2008 The OpenLDAP Foundation. 5 * Portions Copyright 2001-2003 Pierangelo Masarati. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted only as authorized by the OpenLDAP 10 * Public License. 11 * 12 * A copy of this license is available in file LICENSE in the 13 * top-level directory of the distribution or, alternatively, at 14 * <http://www.OpenLDAP.org/license.html>. 15 */ 16 /* ACKNOWLEDGEMENTS: 17 * This work was initially developed by Pierangelo Masarati for inclusion 18 * in OpenLDAP Software. 19 */ 20 21 22 #include "portable.h" 23 24 #include <stdio.h> 25 #include <ac/string.h> 26 27 #include "slap.h" 28 #include "back-monitor.h" 29 30 /* 31 * initializes overlay subentries 32 */ 33 int 34 monitor_subsys_overlay_init( 35 BackendDB *be, 36 monitor_subsys_t *ms 37 ) 38 { 39 monitor_info_t *mi; 40 Entry *e_overlay, **ep; 41 int i; 42 monitor_entry_t *mp; 43 slap_overinst *on; 44 monitor_subsys_t *ms_database; 45 46 mi = ( monitor_info_t * )be->be_private; 47 48 ms_database = monitor_back_get_subsys( SLAPD_MONITOR_DATABASE_NAME ); 49 if ( ms_database == NULL ) { 50 Debug( LDAP_DEBUG_ANY, 51 "monitor_subsys_backend_init: " 52 "unable to get " 53 "\"" SLAPD_MONITOR_DATABASE_NAME "\" " 54 "subsystem\n", 55 0, 0, 0 ); 56 return -1; 57 } 58 59 if ( monitor_cache_get( mi, &ms->mss_ndn, &e_overlay ) ) { 60 Debug( LDAP_DEBUG_ANY, 61 "monitor_subsys_overlay_init: " 62 "unable to get entry \"%s\"\n", 63 ms->mss_ndn.bv_val, 0, 0 ); 64 return( -1 ); 65 } 66 67 mp = ( monitor_entry_t * )e_overlay->e_private; 68 mp->mp_children = NULL; 69 ep = &mp->mp_children; 70 71 for ( on = overlay_next( NULL ), i = 0; on; on = overlay_next( on ), i++ ) { 72 char buf[ BACKMONITOR_BUFSIZE ]; 73 struct berval bv; 74 int j; 75 Entry *e; 76 BackendDB *be; 77 78 bv.bv_len = snprintf( buf, sizeof( buf ), "cn=Overlay %d", i ); 79 bv.bv_val = buf; 80 e = monitor_entry_stub( &ms->mss_dn, &ms->mss_ndn, &bv, 81 mi->mi_oc_monitoredObject, mi, NULL, NULL ); 82 if ( e == NULL ) { 83 Debug( LDAP_DEBUG_ANY, 84 "monitor_subsys_overlay_init: " 85 "unable to create entry \"cn=Overlay %d,%s\"\n", 86 i, ms->mss_ndn.bv_val, 0 ); 87 return( -1 ); 88 } 89 ber_str2bv( on->on_bi.bi_type, 0, 0, &bv ); 90 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL ); 91 attr_merge_normalize_one( e, mi->mi_ad_monitorRuntimeConfig, 92 on->on_bi.bi_cf_ocs ? (struct berval *)&slap_true_bv : 93 (struct berval *)&slap_false_bv, NULL ); 94 95 attr_merge_normalize_one( e_overlay, mi->mi_ad_monitoredInfo, 96 &bv, NULL ); 97 98 j = -1; 99 LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) { 100 char buf[ SLAP_LDAPDN_MAXLEN ]; 101 struct berval dn; 102 103 j++; 104 if ( !overlay_is_inst( be, on->on_bi.bi_type ) ) { 105 continue; 106 } 107 108 snprintf( buf, sizeof( buf ), "cn=Database %d,%s", 109 j, ms_database->mss_dn.bv_val ); 110 111 ber_str2bv( buf, 0, 0, &dn ); 112 attr_merge_normalize_one( e, slap_schema.si_ad_seeAlso, 113 &dn, NULL ); 114 } 115 116 mp = monitor_entrypriv_create(); 117 if ( mp == NULL ) { 118 return -1; 119 } 120 e->e_private = ( void * )mp; 121 mp->mp_info = ms; 122 mp->mp_flags = ms->mss_flags 123 | MONITOR_F_SUB; 124 125 if ( monitor_cache_add( mi, e ) ) { 126 Debug( LDAP_DEBUG_ANY, 127 "monitor_subsys_overlay_init: " 128 "unable to add entry \"cn=Overlay %d,%s\"\n", 129 i, ms->mss_ndn.bv_val, 0 ); 130 return( -1 ); 131 } 132 133 *ep = e; 134 ep = &mp->mp_next; 135 } 136 137 monitor_cache_release( mi, e_overlay ); 138 139 return( 0 ); 140 } 141 142