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         monitorsubsys   *ms
  37 )
  38 {
  39         struct monitorinfo      *mi;
  40         struct monitorentrypriv *mp;
  41         Entry                   *e, **ep, *e_thread;
  42         static char             buf[ BACKMONITOR_BUFSIZE ];
  43
  44         mi = ( struct monitorinfo * )be->be_private;
  45
  46         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_thread ) ) {
  47                 Debug( LDAP_DEBUG_ANY,
  48                         "monitor_subsys_thread_init: unable to get entry \"%s\"\n",
  49                         ms->mss_ndn.bv_val,
  50                         0, 0 );
  51                 return( -1 );
  52         }
  53
  54         mp = ( struct monitorentrypriv * )e_thread->e_private;
  55         mp->mp_children = NULL;
  56         ep = &mp->mp_children;
  57
  58         /*
  59          * Max
  60          */
  61         snprintf( buf, sizeof( buf ),
  62                         "dn: cn=Max,%s\n"
  63                         "objectClass: %s\n"
  64                         "structuralObjectClass: %s\n"
  65                         "cn: Max\n"
  66                         "%s: %d\n"
  67                         "creatorsName: %s\n"
  68                         "modifiersName: %s\n"
  69                         "createTimestamp: %s\n"
  70                         "modifyTimestamp: %s\n",
  71                         ms->mss_dn.bv_val,
  72                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  73                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
  74                         mi->mi_ad_monitoredInfo->ad_cname.bv_val,
  75                         connection_pool_max,
  76                         mi->mi_creatorsName.bv_val,
  77                         mi->mi_creatorsName.bv_val,
  78                         mi->mi_startTime.bv_val,
  79                         mi->mi_startTime.bv_val );
  80
  81         e = str2entry( buf );
  82         if ( e == NULL ) {
  83                 Debug( LDAP_DEBUG_ANY,
  84                         "monitor_subsys_thread_init: "
  85                         "unable to create entry \"cn=Max,%s\"\n",
  86                         ms->mss_ndn.bv_val, 0, 0 );
  87                 return( -1 );
  88         }
  89
  90         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
  91         e->e_private = ( void * )mp;
  92         mp->mp_next = NULL;
  93         mp->mp_children = NULL;
  94         mp->mp_info = ms;
  95         mp->mp_flags = ms->mss_flags \
  96                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
  97
  98         if ( monitor_cache_add( mi, e ) ) {
  99                 Debug( LDAP_DEBUG_ANY,
 100                         "monitor_subsys_thread_init: "
 101                         "unable to add entry \"cn=Max,%s\"\n",
 102                         ms->mss_ndn.bv_val, 0, 0 );
 103                 return( -1 );
 104         }
 105
 106         *ep = e;
 107         ep = &mp->mp_next;
 108
 109         /*
 110          * Backload
 111          */
 112         snprintf( buf, sizeof( buf ),
 113                         "dn: cn=Backload,%s\n"
 114                         "objectClass: %s\n"
 115                         "structuralObjectClass: %s\n"
 116                         "cn: Backload\n"
 117                         "%s: 0\n"
 118                         "creatorsName: %s\n"
 119                         "modifiersName: %s\n"
 120                         "createTimestamp: %s\n"
 121                         "modifyTimestamp: %s\n",
 122                         ms->mss_dn.bv_val,
 123                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 124                         mi->mi_oc_monitoredObject->soc_cname.bv_val,
 125                         mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 126                         mi->mi_creatorsName.bv_val,
 127                         mi->mi_creatorsName.bv_val,
 128                         mi->mi_startTime.bv_val,
 129                         mi->mi_startTime.bv_val );
 130
 131         e = str2entry( buf );
 132         if ( e == NULL ) {
 133                 Debug( LDAP_DEBUG_ANY,
 134                         "monitor_subsys_thread_init: "
 135                         "unable to create entry \"cn=Backload,%s\"\n",
 136                         ms->mss_ndn.bv_val, 0, 0 );
 137                 return( -1 );
 138         }
 139
 140         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 141         e->e_private = ( void * )mp;
 142         mp->mp_next = NULL;
 143         mp->mp_children = NULL;
 144         mp->mp_info = ms;
 145         mp->mp_flags = ms->mss_flags \
 146                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 147
 148         if ( monitor_cache_add( mi, e ) ) {
 149                 Debug( LDAP_DEBUG_ANY,
 150                         "monitor_subsys_thread_init: "
 151                         "unable to add entry \"cn=Backload,%s\"\n",
 152                         ms->mss_ndn.bv_val, 0, 0 );
 153                 return( -1 );
 154         }
 155
 156         *ep = e;
 157         ep = &mp->mp_next;
 158
 159         monitor_cache_release( mi, e_thread );
 160
 161         return( 0 );
 162 }
 163
 164 int
 165 monitor_subsys_thread_update(
 166         Operation               *op,
 167         Entry                   *e
 168 )
 169 {
 170         struct monitorinfo      *mi =
 171                 (struct monitorinfo *)op->o_bd->be_private;
 172         Attribute               *a;
 173         char                    buf[ BACKMONITOR_BUFSIZE ];
 174         static struct berval    backload_bv = BER_BVC( "cn=backload" );
 175         struct berval           rdn;
 176         ber_len_t               len;
 177
 178         assert( mi != NULL );
 179
 180         dnRdn( &e->e_nname, &rdn );
 181         if ( !dn_match( &rdn, &backload_bv ) ) {
 182                 return 0;
 183         }
 184
 185         a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
 186         if ( a == NULL ) {
 187                 return -1;
 188         }
 189
 190         snprintf( buf, sizeof( buf ), "%d",
 191                         ldap_pvt_thread_pool_backload( &connection_pool ) );
 192         len = strlen( buf );
 193         if ( len > a->a_vals[ 0 ].bv_len ) {
 194                 a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
 195         }
 196         a->a_vals[ 0 ].bv_len = len;
 197         AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
 198
 199         return( 0 );
 200 }
 201