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         Entry                   *e;
  40         static char             buf[ BACKMONITOR_BUFSIZE ];
  41         struct berval           bv;
  42
  43         mi = ( struct monitorinfo * )be->be_private;
  44
  45         if ( monitor_cache_get( mi,
  46                 &monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn, &e ) )
  47         {
  48 #ifdef NEW_LOGGING
  49                 LDAP_LOG( OPERATION, CRIT,
  50                         "monitor_subsys_thread_init: unable to get entry '%s'\n",
  51                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val, 0, 0 );
  52 #else
  53                 Debug( LDAP_DEBUG_ANY,
  54                         "monitor_subsys_thread_init: unable to get entry '%s'\n",
  55                         monitor_subsys[SLAPD_MONITOR_THREAD].mss_ndn.bv_val,
  56                         0, 0 );
  57 #endif
  58                 return( -1 );
  59         }
  60
  61         /* initialize the thread number */
  62         snprintf( buf, sizeof( buf ), "max=%d", connection_pool_max );
  63
  64         bv.bv_val = buf;
  65         bv.bv_len = strlen( bv.bv_val );
  66
  67         attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
  68
  69         monitor_cache_release( mi, e );
  70
  71         return( 0 );
  72 }
  73
  74 int
  75 monitor_subsys_thread_update(
  76         Operation               *op,
  77         Entry                   *e
  78 )
  79 {
  80         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
  81         Attribute               *a;
  82         struct berval           *b = NULL;
  83         char                    buf[ BACKMONITOR_BUFSIZE ];
  84
  85         assert( mi != NULL );
  86
  87         snprintf( buf, sizeof( buf ), "backload=%d",
  88                         ldap_pvt_thread_pool_backload( &connection_pool ) );
  89
  90         a = attr_find( e->e_attrs, mi->mi_ad_monitoredInfo );
  91         if ( a != NULL ) {
  92                 for ( b = a->a_vals; b[0].bv_val != NULL; b++ ) {
  93                         if ( strncmp( b[0].bv_val, "backload=",
  94                                         sizeof( "backload=" ) - 1 ) == 0 ) {
  95                                 free( b[0].bv_val );
  96                                 ber_str2bv( buf, 0, 1, &b[0] );
  97                                 break;
  98                         }
  99                 }
 100         }
 101
 102         if ( b == NULL || b[0].bv_val == NULL ) {
 103                 struct berval   bv;
 104
 105                 bv.bv_val = buf;
 106                 bv.bv_len = strlen( buf );
 107                 attr_merge_normalize_one( e, mi->mi_ad_monitoredInfo,
 108                                 &bv, NULL );
 109         }
 110
 111         return( 0 );
 112 }
 113