git.sur5r.net Git - openldap/blob - servers/slapd/back-monitor/thread.c

   1 /* thread.c - deal with thread subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2004 The OpenLDAP Foundation.
   6  * Portions Copyright 2001-2003 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Pierangelo Masarati for inclusion
  19  * in OpenLDAP Software.
  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 log subentry
  32 *   */
  33 int
  34 monitor_subsys_thread_init(
  35         BackendDB       *be
  36 )
  37 {
  38         struct monitorinfo      *mi;
  39         struct monitorentrypriv *mp;
  40         Entry                   *e, **ep, *e_thread;
  41         static char             buf[ BACKMONITOR_BUFSIZE ];
  42
  43         mi = ( struct monitorinfo * )be->be_private;
  44
  45         if ( monitor_cache_get( mi,
  46                 &monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn, &e_thread ) )
  47         {
  48                 Debug( LDAP_DEBUG_ANY,
  49                         "monitor_subsys_thread_init: unable to get entry \"%s\"\n",
  50                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val,
  51                         0, 0 );
  52                 return( -1 );
  53         }
  54
  55         mp = ( struct monitorentrypriv * )e_thread->e_private;
  56         mp->mp_children = NULL;
  57         ep = &mp->mp_children;
  58
  59         /*
  60          * Max
  61          */
  62         snprintf( buf, sizeof( buf ),
  63                         "dn: cn=Max,%s\n"
  64                         "objectClass: %s\n"
  65                         "structuralObjectClass: %s\n"
  66                         "cn: Max\n"
  67                         "%s: %d\n"
  68                         "creatorsName: %s\n"
  69                         "modifiersName: %s\n"
  70                         "createTimestamp: %s\n"
  71                         "modifyTimestamp: %s\n",
  72                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_dn.bv_val,
  73                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  74                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  75                         mi->mi_ad_monitoredInfo->ad_cname.bv_val,
  76                         SLAPD_GLOBAL(connection_pool_max),
  77                         mi->mi_creatorsName.bv_val,
  78                         mi->mi_creatorsName.bv_val,
  79                         mi->mi_startTime.bv_val,
  80                         mi->mi_startTime.bv_val );
  81
  82         e = str2entry( buf );
  83         if ( e == NULL ) {
  84                 Debug( LDAP_DEBUG_ANY,
  85                         "monitor_subsys_thread_init: "
  86                         "unable to create entry \"cn=Max,%s\"\n",
  87                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
  88                 return( -1 );
  89         }
  90
  91         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
  92         e->e_private = ( void * )mp;
  93         mp->mp_next = NULL;
  94         mp->mp_children = NULL;
  95         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_THREAD];
  96         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_THREAD].mss_flags \
  97                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
  98
  99         if ( monitor_cache_add( mi, e ) ) {
 100                 Debug( LDAP_DEBUG_ANY,
 101                         "monitor_subsys_thread_init: "
 102                         "unable to add entry \"cn=Max,%s\"\n",
 103                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
 104                 return( -1 );
 105         }
 106
 107         *ep = e;
 108         ep = &mp->mp_next;
 109
 110         /*
 111          * Backload
 112          */
 113         snprintf( buf, sizeof( buf ),
 114                         "dn: cn=Backload,%s\n"
 115                         "objectClass: %s\n"
 116                         "structuralObjectClass: %s\n"
 117                         "cn: Backload\n"
 118                         "%s: 0\n"
 119                         "creatorsName: %s\n"
 120                         "modifiersName: %s\n"
 121                         "createTimestamp: %s\n"
 122                         "modifyTimestamp: %s\n",
 123                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_dn.bv_val,
 124                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 125                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 126                         mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 127                         mi->mi_creatorsName.bv_val,
 128                         mi->mi_creatorsName.bv_val,
 129                         mi->mi_startTime.bv_val,
 130                         mi->mi_startTime.bv_val );
 131
 132         e = str2entry( buf );
 133         if ( e == NULL ) {
 134                 Debug( LDAP_DEBUG_ANY,
 135                         "monitor_subsys_thread_init: "
 136                         "unable to create entry \"cn=Backload,%s\"\n",
 137                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
 138                 return( -1 );
 139         }
 140
 141         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 142         e->e_private = ( void * )mp;
 143         mp->mp_next = NULL;
 144         mp->mp_children = NULL;
 145         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_THREAD];
 146         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_THREAD].mss_flags \
 147                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 148
 149         if ( monitor_cache_add( mi, e ) ) {
 150                 Debug( LDAP_DEBUG_ANY,
 151                         "monitor_subsys_thread_init: "
 152                         "unable to add entry \"cn=Backload,%s\"\n",
 153                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
 154                 return( -1 );
 155         }
 156
 157         *ep = e;
 158         ep = &mp->mp_next;
 159
 160         monitor_cache_release( mi, e_thread );
 161
 162         return( 0 );
 163 }
 164
 165 int
 166 monitor_subsys_thread_update(
 167         Operation               *op,
 168         Entry                   *e
 169 )
 170 {
 171         struct monitorinfo      *mi =
 172                 (struct monitorinfo *)op->o_bd->be_private;
 173         Attribute               *a;
 174         char                    buf[ BACKMONITOR_BUFSIZE ];
 175         static struct berval    backload_bv = BER_BVC( "cn=backload" );
 176         struct berval           rdn;
 177         ber_len_t               len;
 178
 179         assert( mi != NULL );
 180
 181         dnRdn( &e->e_nname, &rdn );
 182         if ( !dn_match( &rdn, &backload_bv ) ) {
 183                 return 0;
 184         }
 185
 186         a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
 187         if ( a == NULL ) {
 188                 return -1;
 189         }
 190
 191         snprintf( buf, sizeof( buf ), "%d",
 192                         ldap_pvt_thread_pool_backload( &SLAPD_GLOBAL(connection_pool) ) );
 193         len = strlen( buf );
 194         if ( len > a->a_vals[ 0 ].bv_len ) {
 195                 a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
 196         }
 197         a->a_vals[ 0 ].bv_len = len;
 198         AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
 199
 200         return( 0 );
 201 }
 202