]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-monitor/init.c
publish updateref...
[openldap] / servers / slapd / back-monitor / init.c
index 65136ddcd2b4886a6d0f7e00ef8625e23168a69b..df6a08a99006f8d4b18d3e243d79386e521b432b 100644 (file)
  * so it should not be used outside monitor_back_db_init()
  * until monitor_back_db_open is called.
  */
-BackendDB *be_monitor = NULL;
+BackendDB                      *be_monitor;
 
-static struct monitor_subsys_t **monitor_subsys = NULL;
-static int                     monitor_subsys_opened = 0;
+static struct monitor_subsys_t **monitor_subsys;
+static int                     monitor_subsys_opened;
+static monitor_info_t          monitor_info;
 
 /*
  * subsystem data
@@ -56,6 +57,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
        { 
                SLAPD_MONITOR_BACKEND_NAME, 
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about available backends." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_backend_init,
                NULL,   /* update */
@@ -64,6 +67,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_CONN_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about connections." ),
+                       BER_BVNULL },
                MONITOR_F_VOLATILE_CH,
                monitor_subsys_conn_init,
                monitor_subsys_conn_update,
@@ -72,6 +77,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_DATABASE_NAME,    
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about configured databases." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_database_init,
                NULL,   /* update */
@@ -80,6 +87,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_LISTENER_NAME,    
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about active listeners." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_listener_init,
                NULL,   /* update */
@@ -88,6 +97,9 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_LOG_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about logging." ),
+                       BER_BVC( "Set the attribute \"managedInfo\" to the desired log levels." ),
+                       BER_BVNULL },
                MONITOR_F_NONE,
                monitor_subsys_log_init,
                NULL,   /* update */
@@ -96,6 +108,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_OPS_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about performed operations." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_ops_init,
                monitor_subsys_ops_update,
@@ -104,6 +118,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_OVERLAY_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about available overlays." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_overlay_init,
                NULL,   /* update */
@@ -112,6 +128,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
        }, { 
                SLAPD_MONITOR_SASL_NAME,        
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about SASL." ),
+                       BER_BVNULL },
                MONITOR_F_NONE,
                NULL,   /* init */
                NULL,   /* update */
@@ -120,6 +138,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_SENT_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains statistics." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_sent_init,
                monitor_subsys_sent_update,
@@ -128,6 +148,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_THREAD_NAME,      
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about threads." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_thread_init,
                monitor_subsys_thread_update,
@@ -136,6 +158,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_TIME_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about time." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_time_init,
                monitor_subsys_time_update,
@@ -144,6 +168,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_TLS_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about TLS." ),
+                       BER_BVNULL },
                MONITOR_F_NONE,
                NULL,   /* init */
                NULL,   /* update */
@@ -152,6 +178,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
                }, { 
                SLAPD_MONITOR_RWW_NAME,
                BER_BVNULL, BER_BVNULL, BER_BVNULL,
+               { BER_BVC( "This subsystem contains information about read/write waiters." ),
+                       BER_BVNULL },
                MONITOR_F_PERSISTENT_CH,
                monitor_subsys_rww_init,
                monitor_subsys_rww_update,
@@ -161,7 +189,8 @@ static struct monitor_subsys_t known_monitor_subsys[] = {
 };
 
 int
-monitor_back_register_subsys( monitor_subsys_t *ms )
+monitor_back_register_subsys(
+       monitor_subsys_t        *ms )
 {
        int     i = 0;
 
@@ -220,8 +249,8 @@ typedef struct entry_limbo_t {
 
 int
 monitor_back_register_entry(
-               Entry                   *e,
-               monitor_callback_t      *cb )
+       Entry                   *e,
+       monitor_callback_t      *cb )
 {
        monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
 
@@ -364,11 +393,11 @@ done:;
 
 int
 monitor_back_register_entry_parent(
-               Entry                   *e,
-               monitor_callback_t      *cb,
-               struct berval           *base,
-               int                     scope,
-               struct berval           *filter )
+       Entry                   *e,
+       monitor_callback_t      *cb,
+       struct berval           *base,
+       int                     scope,
+       struct berval           *filter )
 {
        monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
        struct berval   ndn = BER_BVNULL;
@@ -399,7 +428,7 @@ monitor_back_register_entry_parent(
                if ( monitor_filter2ndn( base, scope, filter, &ndn ) ) {
                        /* entry does not exist */
                        Debug( LDAP_DEBUG_ANY,
-                               "monitor_back_register_entry_*(\"\"): "
+                               "monitor_back_register_entry_parent(\"\"): "
                                "base=%s scope=%d filter=%s : "
                                "unable to find entry\n",
                                base->bv_val ? base->bv_val : "\"\"",
@@ -423,7 +452,7 @@ monitor_back_register_entry_parent(
                if ( mp_parent->mp_flags & MONITOR_F_VOLATILE ) {
                        /* entry is volatile; cannot append callback */
                        Debug( LDAP_DEBUG_ANY,
-                               "monitor_back_register_entry_*(\"%s\"): "
+                               "monitor_back_register_entry_parent(\"%s\"): "
                                "entry is volatile\n",
                                e_parent->e_name.bv_val, 0, 0 );
                        rc = -1;
@@ -564,8 +593,11 @@ monitor_filter2ndn_cb( Operation *op, SlapReply *rs )
 }
 
 int
-monitor_filter2ndn( struct berval *base, int scope, struct berval *filter,
-               struct berval *ndn )
+monitor_filter2ndn(
+       struct berval   *base,
+       int             scope,
+       struct berval   *filter,
+       struct berval   *ndn )
 {
        Connection      conn = { 0 };
        char            opbuf[OPERATION_BUFFER_SIZE];
@@ -619,6 +651,9 @@ monitor_filter2ndn( struct berval *base, int scope, struct berval *filter,
        op->o_nocaching = 1;
        op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
 
+       op->o_dn = be_monitor->be_rootdn;
+       op->o_ndn = be_monitor->be_rootndn;
+
        rc = op->o_bd->be_search( op, &rs );
 
        filter_free_x( op, op->ors_filter );
@@ -652,12 +687,12 @@ monitor_filter2ndn( struct berval *base, int scope, struct berval *filter,
 
 int
 monitor_back_register_entry_attrs(
-               struct berval           *ndn_in,
-               Attribute               *a,
-               monitor_callback_t      *cb,
-               struct berval           *base,
-               int                     scope,
-               struct berval           *filter )
+       struct berval           *ndn_in,
+       Attribute               *a,
+       monitor_callback_t      *cb,
+       struct berval           *base,
+       int                     scope,
+       struct berval           *filter )
 {
        monitor_info_t  *mi = ( monitor_info_t * )be_monitor->be_private;
        struct berval   ndn = BER_BVNULL;
@@ -809,11 +844,11 @@ done:;
 
 int
 monitor_back_register_entry_callback(
-               struct berval           *ndn,
-               monitor_callback_t      *cb,
-               struct berval           *base,
-               int                     scope,
-               struct berval           *filter )
+       struct berval           *ndn,
+       monitor_callback_t      *cb,
+       struct berval           *base,
+       int                     scope,
+       struct berval           *filter )
 {
        return monitor_back_register_entry_attrs( ndn, NULL, cb,
                        base, scope, filter );
@@ -836,7 +871,9 @@ monitor_back_get_subsys( const char *name )
 }
 
 monitor_subsys_t *
-monitor_back_get_subsys_by_dn( struct berval *ndn, int sub )
+monitor_back_get_subsys_by_dn(
+       struct berval   *ndn,
+       int             sub )
 {
        if ( monitor_subsys != NULL ) {
                int     i;
@@ -862,82 +899,16 @@ monitor_back_get_subsys_by_dn( struct berval *ndn, int sub )
 
 int
 monitor_back_initialize(
-       BackendInfo     *bi
-)
+       BackendInfo     *bi )
 {
        monitor_subsys_t        *ms;
        static char             *controls[] = {
                LDAP_CONTROL_MANAGEDSAIT,
                NULL
        };
-
-       bi->bi_controls = controls;
-
-       bi->bi_init = 0;
-       bi->bi_open = 0;
-       bi->bi_config = monitor_back_config;
-       bi->bi_close = 0;
-       bi->bi_destroy = 0;
-
-       bi->bi_db_init = monitor_back_db_init;
-       bi->bi_db_config = monitor_back_db_config;
-       bi->bi_db_open = monitor_back_db_open;
-       bi->bi_db_close = 0;
-       bi->bi_db_destroy = monitor_back_db_destroy;
-
-       bi->bi_op_bind = monitor_back_bind;
-       bi->bi_op_unbind = 0;
-       bi->bi_op_search = monitor_back_search;
-       bi->bi_op_compare = monitor_back_compare;
-       bi->bi_op_modify = monitor_back_modify;
-       bi->bi_op_modrdn = 0;
-       bi->bi_op_add = 0;
-       bi->bi_op_delete = 0;
-       bi->bi_op_abandon = 0;
-
-       bi->bi_extended = 0;
-
-       bi->bi_entry_release_rw = 0;
-       bi->bi_chk_referrals = 0;
-       bi->bi_operational = monitor_back_operational;
-
-       /*
-        * hooks for slap tools
-        */
-       bi->bi_tool_entry_open = 0;
-       bi->bi_tool_entry_close = 0;
-       bi->bi_tool_entry_first = 0;
-       bi->bi_tool_entry_next = 0;
-       bi->bi_tool_entry_get = 0;
-       bi->bi_tool_entry_put = 0;
-       bi->bi_tool_entry_reindex = 0;
-       bi->bi_tool_sync = 0;
-       bi->bi_tool_dn2id_get = 0;
-       bi->bi_tool_id2entry_get = 0;
-       bi->bi_tool_entry_modify = 0;
-
-       bi->bi_connection_init = 0;
-       bi->bi_connection_destroy = 0;
-
-       for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
-               if ( monitor_back_register_subsys( ms ) ) {
-                       return -1;
-               }
-       }
-
-       return 0;
-}
-
-int
-monitor_back_db_init(
-       BackendDB       *be
-)
-{
-       monitor_info_t  *mi;
-       int             i, rc;
-       struct berval   dn, ndn;
-       struct berval   bv;
-       const char      *text;
+       monitor_info_t          *mi = &monitor_info;
+       int                     i;
+       const char              *text;
 
        struct m_s {
                char    *name;
@@ -952,13 +923,6 @@ monitor_back_db_init(
                        "MUST cn "
                        "MAY ( "
                                "description "
-                               "$ l "
-#if 0  /* temporarily disabled */
-                               "$ st "
-                               "$ street "
-                               "$ postalAddress "
-                               "$ postalCode "
-#endif
                                "$ seeAlso "
                                "$ labeledURI "
                                "$ monitoredInfo "
@@ -1138,21 +1102,21 @@ monitor_back_db_init(
                        offsetof(monitor_info_t, mi_ad_monitorConnectionOpsCompleted) },
                { "monitorConnectionGet", "( 1.3.6.1.4.1.4203.666.1.44 "
                        "NAME 'monitorConnectionGet' "
-                       "DESC 'monitor FIXME???' "
+                       "DESC 'number of times connection_get() was called so far' "
                        "SUP monitorCounter "
                        "NO-USER-MODIFICATION "
                        "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
                        offsetof(monitor_info_t, mi_ad_monitorConnectionGet) },
                { "monitorConnectionRead", "( 1.3.6.1.4.1.4203.666.1.45 "
                        "NAME 'monitorConnectionRead' "
-                       "DESC 'monitor FIXME???' "
+                       "DESC 'number of times connection_read() was called so far' "
                        "SUP monitorCounter "
                        "NO-USER-MODIFICATION "
                        "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
                        offsetof(monitor_info_t, mi_ad_monitorConnectionRead) },
                { "monitorConnectionWrite", "( 1.3.6.1.4.1.4203.666.1.46 "
                        "NAME 'monitorConnectionWrite' "
-                       "DESC 'monitor FIXME???' "
+                       "DESC 'number of times connection_write() was called so far' "
                        "SUP monitorCounter "
                        "NO-USER-MODIFICATION "
                        "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
@@ -1194,111 +1158,75 @@ monitor_back_db_init(
                        "NO-USER-MODIFICATION "
                        "USAGE directoryOperation )", SLAP_AT_FINAL|SLAP_AT_HIDE,
                        offsetof(monitor_info_t, mi_ad_monitorConnectionActivityTime) },
-#ifdef INTEGRATE_CORE_SCHEMA
-               { NULL, NULL, 0, -1 },  /* description */
-               { NULL, NULL, 0, -1 },  /* seeAlso */
-               { NULL, NULL, 0, -1 },  /* l */
-               { NULL, NULL, 0, -1 },  /* labeledURI */
-#endif /* INTEGRATE_CORE_SCHEMA */
-               { NULL, NULL, 0, -1 }
-       }, mat_core[] = {
-               { "description", "( 2.5.4.13 "
-                       "NAME 'description' "
-                       "DESC 'RFC2256: descriptive information' "
-                       "EQUALITY caseIgnoreMatch "
-                       "SUBSTR caseIgnoreSubstringsMatch "
-                       "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1024} )", 0,
-                       offsetof(monitor_info_t, mi_ad_description) },
-               { "seeAlso", "( 2.5.4.34 "
-                       "NAME 'seeAlso' "
-                       "DESC 'RFC2256: DN of related object' "
-                       "SUP distinguishedName )", 0,
-                       offsetof(monitor_info_t, mi_ad_seeAlso) },
-               { "l", "( 2.5.4.7 "
-                       "NAME ( 'l' 'localityName' ) "
-                       "DESC 'RFC2256: locality which this object resides in' "
-                       "SUP name )", 0,
-                       offsetof(monitor_info_t, mi_ad_l) },
-#ifdef MONITOR_DEFINE_LABELEDURI
-               { "labeledURI", "( 1.3.6.1.4.1.250.1.57 "
-                       "NAME 'labeledURI' "
-                       "DESC 'RFC2079: Uniform Resource Identifier with optional label' "
-                       "EQUALITY caseExactMatch "
-                       "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )", 0,
-                       offsetof(monitor_info_t, mi_ad_labeledURI) },
-#endif /* MONITOR_DEFINE_LABELEDURI */
+               { "monitorIsShadow", "( 1.3.6.1.4.1.4203.666.1.52 "
+                       "NAME 'monitorIsShadow' "
+                       "DESC 'TRUE if the database is shadow' "
+                       "EQUALITY booleanMatch "
+                       "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
+                       "SINGLE-VALUE "
+                       "USAGE directoryOperation )", SLAP_AT_HIDE,
+                       offsetof(monitor_info_t, mi_ad_monitorIsShadow) },
+               { "monitorUpdateRef", "( 1.3.6.1.4.1.4203.666.1.53 "
+                       "NAME 'monitorUpdateRef' "
+                       "DESC 'update referral for shadow databases' "
+                       "SUP monitoredInfo "
+                       "SINGLE-VALUE "
+                       "USAGE directoryOperation )", SLAP_AT_HIDE,
+                       offsetof(monitor_info_t, mi_ad_monitorUpdateRef) },
                { NULL, NULL, 0, -1 }
        };
        
-       /*
-        * database monitor can be defined once only
-        */
-       if ( be_monitor ) {
-               Debug( LDAP_DEBUG_ANY,
-                       "only one monitor backend is allowed\n", 0, 0, 0 );
-               return( -1 );
-       }
-       be_monitor = be;
-
-       /* indicate system schema supported */
-       SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
-
-       dn.bv_val = SLAPD_MONITOR_DN;
-       dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
-
-       rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
-       if( rc != LDAP_SUCCESS ) {
-               Debug( LDAP_DEBUG_ANY,
-                       "unable to normalize monitor DN \"%s\"\n",
-                       SLAPD_MONITOR_DN, 0, 0 );
-               return -1;
-       }
-
-       ber_dupbv( &bv, &dn );
-       ber_bvarray_add( &be->be_suffix, &bv );
-       ber_bvarray_add( &be->be_nsuffix, &ndn );
-
-       mi = ( monitor_info_t * )ch_calloc( sizeof( monitor_info_t ), 1 );
-       if ( mi == NULL ) {
-               Debug( LDAP_DEBUG_ANY,
-                       "unable to initialize monitor backend\n", 0, 0, 0 );
-               return -1;
-       }
+       bi->bi_controls = controls;
 
-       memset( mi, 0, sizeof( monitor_info_t ) );
+       bi->bi_init = 0;
+       bi->bi_open = 0;
+       bi->bi_config = monitor_back_config;
+       bi->bi_close = 0;
+       bi->bi_destroy = 0;
 
-       ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
+       bi->bi_db_init = monitor_back_db_init;
+       bi->bi_db_config = monitor_back_db_config;
+       bi->bi_db_open = monitor_back_db_open;
+       bi->bi_db_close = 0;
+       bi->bi_db_destroy = monitor_back_db_destroy;
 
-       be->be_private = mi;
-       
-#ifdef INTEGRATE_CORE_SCHEMA
-       /* prepare for schema integration */
-       for ( k = 0; mat[ k ].name != NULL; k++ );
-#endif /* INTEGRATE_CORE_SCHEMA */
+       bi->bi_op_bind = monitor_back_bind;
+       bi->bi_op_unbind = 0;
+       bi->bi_op_search = monitor_back_search;
+       bi->bi_op_compare = monitor_back_compare;
+       bi->bi_op_modify = monitor_back_modify;
+       bi->bi_op_modrdn = 0;
+       bi->bi_op_add = 0;
+       bi->bi_op_delete = 0;
+       bi->bi_op_abandon = 0;
 
-       for ( i = 0; mat_core[ i ].name != NULL; i++ ) {
-               AttributeDescription    **ad;
-               const char              *text;
+       bi->bi_extended = 0;
 
-               ad = ((AttributeDescription **)&(((char *)mi)[ mat_core[ i ].offset ]));
-               ad[ 0 ] = NULL;
+       bi->bi_entry_release_rw = 0;
+       bi->bi_chk_referrals = 0;
+       bi->bi_operational = monitor_back_operational;
 
-               switch (slap_str2ad( mat_core[ i ].name, ad, &text ) ) {
-               case LDAP_SUCCESS:
-                       break;
+       /*
+        * hooks for slap tools
+        */
+       bi->bi_tool_entry_open = 0;
+       bi->bi_tool_entry_close = 0;
+       bi->bi_tool_entry_first = 0;
+       bi->bi_tool_entry_next = 0;
+       bi->bi_tool_entry_get = 0;
+       bi->bi_tool_entry_put = 0;
+       bi->bi_tool_entry_reindex = 0;
+       bi->bi_tool_sync = 0;
+       bi->bi_tool_dn2id_get = 0;
+       bi->bi_tool_id2entry_get = 0;
+       bi->bi_tool_entry_modify = 0;
 
-#ifdef INTEGRATE_CORE_SCHEMA
-               case LDAP_UNDEFINED_TYPE:
-                       mat[ k ] = mat_core[ i ];
-                       k++;
-                       break;
-#endif /* INTEGRATE_CORE_SCHEMA */
+       bi->bi_connection_init = 0;
+       bi->bi_connection_destroy = 0;
 
-               default:
-                       Debug( LDAP_DEBUG_ANY,
-                               "monitor_back_db_init: %s: %s\n",
-                               mat_core[ i ].name, text, 0 );
-                       return( -1 );
+       for ( ms = known_monitor_subsys; ms->mss_name != NULL; ms++ ) {
+               if ( monitor_back_register_subsys( ms ) ) {
+                       return -1;
                }
        }
 
@@ -1394,18 +1322,64 @@ monitor_back_db_init(
        return 0;
 }
 
+int
+monitor_back_db_init(
+       BackendDB       *be )
+{
+       monitor_info_t  *mi;
+       int             rc;
+       struct berval   dn, ndn;
+       struct berval   bv;
+
+       /*
+        * database monitor can be defined once only
+        */
+       if ( be_monitor != NULL ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "only one monitor database is allowed\n", 0, 0, 0 );
+               return( -1 );
+       }
+       be_monitor = be;
+
+       /* indicate system schema supported */
+       SLAP_BFLAGS(be) |= SLAP_BFLAG_MONITOR;
+
+       dn.bv_val = SLAPD_MONITOR_DN;
+       dn.bv_len = sizeof( SLAPD_MONITOR_DN ) - 1;
+
+       rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
+       if( rc != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_ANY,
+                       "unable to normalize monitor DN \"%s\"\n",
+                       SLAPD_MONITOR_DN, 0, 0 );
+               return -1;
+       }
+
+       ber_dupbv( &bv, &dn );
+       ber_bvarray_add( &be->be_suffix, &bv );
+       ber_bvarray_add( &be->be_nsuffix, &ndn );
+
+       /* NOTE: only one monitor database is allowed,
+        * so we use static storage */
+       mi = &monitor_info;
+
+       ldap_pvt_thread_mutex_init( &mi->mi_cache_mutex );
+
+       be->be_private = mi;
+
+       return 0;
+}
+
 int
 monitor_back_db_open(
-       BackendDB       *be
-)
+       BackendDB       *be )
 {
        monitor_info_t          *mi = (monitor_info_t *)be->be_private;
        struct monitor_subsys_t **ms;
        Entry                   *e, **ep;
        monitor_entry_t         *mp;
        int                     i;
-       char                    buf[ BACKMONITOR_BUFSIZE ],
-                               *end_of_line;
+       char                    buf[ BACKMONITOR_BUFSIZE ];
        struct berval           bv;
        struct tm               *tms;
 #ifdef HAVE_GMTIME_R
@@ -1460,12 +1434,10 @@ monitor_back_db_open(
                "objectClass: %s\n"
                "structuralObjectClass: %s\n"
                "cn: Monitor\n"
-               "%s: This subtree contains monitoring/managing objects.\n"
-               "%s: This object contains information about this server.\n"
-#if 0
-               "%s: createTimestamp reflects the time this server instance was created.\n"
-               "%s: modifyTimestamp reflects the time this server instance was last accessed.\n"
-#endif
+               "description: This subtree contains monitoring/managing objects.\n"
+               "description: This object contains information about this server.\n"
+               "description: Most of the information is held in operational"
+               " attributeTypes, which must be explicitly requested.\n"
                "creatorsName: %s\n"
                "modifiersName: %s\n"
                "createTimestamp: %s\n"
@@ -1473,12 +1445,6 @@ monitor_back_db_open(
                SLAPD_MONITOR_DN,
                mi->mi_oc_monitorServer->soc_cname.bv_val,
                mi->mi_oc_monitorServer->soc_cname.bv_val,
-               mi->mi_ad_description->ad_cname.bv_val,
-               mi->mi_ad_description->ad_cname.bv_val,
-#if 0
-               mi->mi_ad_description->ad_cname.bv_val,
-               mi->mi_ad_description->ad_cname.bv_val,
-#endif
                mi->mi_creatorsName.bv_val,
                mi->mi_creatorsName.bv_val,
                mi->mi_startTime.bv_val,
@@ -1492,26 +1458,33 @@ monitor_back_db_open(
                return( -1 );
        }
 
-       bv.bv_val = (char *) Versionstr;
-       end_of_line = strchr( Versionstr, '\n' );
-       if ( end_of_line ) {
-               bv.bv_len = end_of_line - Versionstr;
-       } else {
-               bv.bv_len = strlen( Versionstr );
-       }
+       bv.bv_val = strchr( (char *) Versionstr, '$' );
+       if ( bv.bv_val != NULL ) {
+               char    *end;
 
-       if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
-                               &bv, NULL ) ) {
-               Debug( LDAP_DEBUG_ANY,
-                       "unable to add monitoredInfo to \"%s\" entry\n",
-                       SLAPD_MONITOR_DN, 0, 0 );
-               return( -1 );
-       }
+               bv.bv_val++;
+               for ( ; bv.bv_val[ 0 ] == ' '; bv.bv_val++ )
+                       ;
+
+               end = strchr( bv.bv_val, '$' );
+               if ( end != NULL ) {
+                       end--;
+
+                       for ( ; end > bv.bv_val && end[ 0 ] == ' '; end-- )
+                               ;
+
+                       end++;
+
+                       bv.bv_len = end - bv.bv_val;
+
+               } else {
+                       bv.bv_len = strlen( bv.bv_val );
+               }
 
-       if ( mi->mi_l.bv_len ) {
-               if ( attr_merge_normalize_one( e, mi->mi_ad_l, &mi->mi_l, NULL ) ) {
+               if ( attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
+                                       &bv, NULL ) ) {
                        Debug( LDAP_DEBUG_ANY,
-                               "unable to add locality to \"%s\" entry\n",
+                               "unable to add monitoredInfo to \"%s\" entry\n",
                                SLAPD_MONITOR_DN, 0, 0 );
                        return( -1 );
                }
@@ -1593,6 +1566,11 @@ monitor_back_db_open(
                        return( -1 );
                }
 
+               if ( !BER_BVISNULL( &monitor_subsys[ i ]->mss_desc[ 0 ] ) ) {
+                       attr_merge_normalize( e, slap_schema.si_ad_description,
+                                       monitor_subsys[ i ]->mss_desc, NULL );
+               }
+
                mp = monitor_entrypriv_create();
                if ( mp == NULL ) {
                        return -1;
@@ -1708,8 +1686,7 @@ monitor_back_config(
        const char      *fname,
        int             lineno,
        int             argc,
-       char            **argv
-)
+       char            **argv )
 {
        /*
         * eventually, will hold backend specific configuration parameters
@@ -1723,36 +1700,27 @@ monitor_back_db_config(
        const char  *fname,
        int         lineno,
        int         argc,
-       char        **argv
-)
+       char        **argv )
 {
        monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
 
        /*
         * eventually, will hold database specific configuration parameters
         */
-       if ( strcasecmp( argv[ 0 ], "l" ) == 0 ) {
-               if ( argc != 2 ) {
-                       return 1;
-               }
-               
-               ber_str2bv( argv[ 1 ], 0, 1, &mi->mi_l );
-
-       } else {
-               return SLAP_CONF_UNKNOWN;
-       }
-
-       return( 0 );
+       return SLAP_CONF_UNKNOWN;
 }
 
 int
 monitor_back_db_destroy(
-       BackendDB       *be
-)
+       BackendDB       *be )
 {
+       monitor_info_t  *mi = ( monitor_info_t * )be->be_private;
+
        /*
         * FIXME: destroys all the data
         */
+       /* NOTE: mi points to static storage; don't free it */
+       
        return 0;
 }