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         monitor_subsys_t        *ms
  37 )
  38 {
  39         monitor_info_t  *mi;
  40         monitor_entry_t *mp;
  41         Entry           *e, **ep, *e_thread;
  42         static char     buf[ BACKMONITOR_BUFSIZE ];
  43
  44         mi = ( monitor_info_t * )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 = ( monitor_entry_t * )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 = monitor_entrypriv_create();
  91         if ( mp == NULL ) {
  92                 return -1;
  93         }
  94         e->e_private = ( void * )mp;
  95         mp->mp_info = ms;
  96         mp->mp_flags = ms->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                         ms->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                         ms->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                         ms->mss_ndn.bv_val, 0, 0 );
 138                 return( -1 );
 139         }
 140
 141         mp = monitor_entrypriv_create();
 142         if ( mp == NULL ) {
 143                 return -1;
 144         }
 145         e->e_private = ( void * )mp;
 146         mp->mp_info = ms;
 147         mp->mp_flags = ms->mss_flags \
 148                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 149
 150         if ( monitor_cache_add( mi, e ) ) {
 151                 Debug( LDAP_DEBUG_ANY,
 152                         "monitor_subsys_thread_init: "
 153                         "unable to add entry \"cn=Backload,%s\"\n",
 154                         ms->mss_ndn.bv_val, 0, 0 );
 155                 return( -1 );
 156         }
 157
 158         *ep = e;
 159         ep = &mp->mp_next;
 160
 161         monitor_cache_release( mi, e_thread );
 162
 163         return( 0 );
 164 }
 165
 166 int
 167 monitor_subsys_thread_update(
 168         Operation               *op,
 169         Entry                   *e
 170 )
 171 {
 172         monitor_info_t  *mi = ( monitor_info_t * )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( &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