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

   1 /* conn.c - deal with connection subsystem */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2001-2005 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 "lutil.h"
  29 #include "back-monitor.h"
  30
  31 #define CONN_CN_PREFIX  "Connection"
  32
  33 int
  34 monitor_subsys_conn_init(
  35         BackendDB               *be
  36 )
  37 {
  38         struct monitorinfo      *mi;
  39
  40         Entry                   *e, *e_tmp, *e_conn;
  41         struct monitorentrypriv *mp;
  42         char                    buf[ BACKMONITOR_BUFSIZE ];
  43         struct berval           bv;
  44
  45         assert( be != NULL );
  46
  47         mi = ( struct monitorinfo * )be->be_private;
  48
  49         if ( monitor_cache_get( mi,
  50                         &monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e_conn ) ) {
  51 #ifdef NEW_LOGGING
  52                 LDAP_LOG( OPERATION, CRIT,
  53                         "monitor_subsys_conn_init: "
  54                         "unable to get entry '%s'\n",
  55                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
  56 #else
  57                 Debug( LDAP_DEBUG_ANY,
  58                         "monitor_subsys_conn_init: "
  59                         "unable to get entry '%s'\n%s%s",
  60                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
  61                         "", "" );
  62 #endif
  63                 return( -1 );
  64         }
  65
  66         e_tmp = NULL;
  67
  68         /*
  69          * Total conns
  70          */
  71         snprintf( buf, sizeof( buf ),
  72                 "dn: cn=Total,%s\n"
  73                 "objectClass: %s\n"
  74                 "structuralObjectClass: %s\n"
  75                 "cn: Total\n"
  76                 "createTimestamp: %s\n"
  77                 "modifyTimestamp: %s\n",
  78                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
  79                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  80                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  81                 mi->mi_startTime.bv_val,
  82                 mi->mi_startTime.bv_val );
  83
  84         e = str2entry( buf );
  85         if ( e == NULL ) {
  86 #ifdef NEW_LOGGING
  87                 LDAP_LOG( OPERATION, CRIT,
  88                         "monitor_subsys_conn_init: "
  89                         "unable to create entry 'cn=Total,%s'\n",
  90                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
  91 #else
  92                 Debug( LDAP_DEBUG_ANY,
  93                         "monitor_subsys_conn_init: "
  94                         "unable to create entry 'cn=Total,%s'\n%s%s",
  95                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
  96                         "", "" );
  97 #endif
  98                 return( -1 );
  99         }
 100
 101         bv.bv_val = "0";
 102         bv.bv_len = 1;
 103         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
 104
 105         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 106         e->e_private = ( void * )mp;
 107         mp->mp_next = e_tmp;
 108         mp->mp_children = NULL;
 109         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 110         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 111                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 112         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 113
 114         if ( monitor_cache_add( mi, e ) ) {
 115 #ifdef NEW_LOGGING
 116                 LDAP_LOG( OPERATION, CRIT,
 117                         "monitor_subsys_conn_init: "
 118                         "unable to add entry 'cn=Total,%s'\n",
 119                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 120 #else
 121                 Debug( LDAP_DEBUG_ANY,
 122                         "monitor_subsys_conn_init: "
 123                         "unable to add entry 'cn=Total,%s'\n%s%s",
 124                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 125                         "", "" );
 126 #endif
 127                 return( -1 );
 128         }
 129
 130         e_tmp = e;
 131
 132         /*
 133          * Current conns
 134          */
 135         snprintf( buf, sizeof( buf ),
 136                 "dn: cn=Current,%s\n"
 137                 "objectClass: %s\n"
 138                 "structuralObjectClass: %s\n"
 139                 "cn: Current\n"
 140                 "createTimestamp: %s\n"
 141                 "modifyTimestamp: %s\n",
 142                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 143                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 144                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 145                 mi->mi_startTime.bv_val,
 146                 mi->mi_startTime.bv_val );
 147
 148         e = str2entry( buf );
 149         if ( e == NULL ) {
 150 #ifdef NEW_LOGGING
 151                 LDAP_LOG( OPERATION, CRIT,
 152                         "monitor_subsys_conn_init: "
 153                         "unable to create entry 'cn=Current,%s'\n",
 154                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 155 #else
 156                 Debug( LDAP_DEBUG_ANY,
 157                         "monitor_subsys_conn_init: "
 158                         "unable to create entry 'cn=Current,%s'\n%s%s",
 159                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 160                         "", "" );
 161 #endif
 162                 return( -1 );
 163         }
 164
 165         bv.bv_val = "0";
 166         bv.bv_len = 1;
 167         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
 168
 169         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 170         e->e_private = ( void * )mp;
 171         mp->mp_next = e_tmp;
 172         mp->mp_children = NULL;
 173         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 174         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 175                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 176         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 177
 178         if ( monitor_cache_add( mi, e ) ) {
 179 #ifdef NEW_LOGGING
 180                 LDAP_LOG( OPERATION, CRIT,
 181                         "monitor_subsys_conn_init: "
 182                         "unable to add entry 'cn=Current,%s'\n",
 183                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 184 #else
 185                 Debug( LDAP_DEBUG_ANY,
 186                         "monitor_subsys_conn_init: "
 187                         "unable to add entry 'cn=Current,%s'\n%s%s",
 188                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 189                         "", "" );
 190 #endif
 191                 return( -1 );
 192         }
 193
 194         e_tmp = e;
 195
 196         mp = ( struct monitorentrypriv * )e_conn->e_private;
 197         mp->mp_children = e_tmp;
 198
 199         monitor_cache_release( mi, e_conn );
 200
 201         return( 0 );
 202 }
 203
 204 int
 205 monitor_subsys_conn_update(
 206         Operation               *op,
 207         Entry                   *e
 208 )
 209 {
 210         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 211         long            n = -1;
 212
 213         assert( mi );
 214         assert( e );
 215
 216         if ( strncasecmp( e->e_ndn, "cn=total",
 217                                 sizeof("cn=total")-1 ) == 0 ) {
 218                 n = connections_nextid();
 219
 220         } else if ( strncasecmp( e->e_ndn, "cn=current",
 221                                 sizeof("cn=current")-1 ) == 0 ) {
 222                 Connection      *c;
 223                 int             connindex;
 224
 225                 for ( n = 0, c = connection_first( &connindex );
 226                                 c != NULL;
 227                                 n++, c = connection_next( c, &connindex ) ) {
 228                         /* No Op */ ;
 229                 }
 230                 connection_done(c);
 231         }
 232
 233         if ( n != -1 ) {
 234                 Attribute       *a;
 235                 char            buf[] = "+9223372036854775807L";
 236
 237                 a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
 238                 if ( a == NULL ) {
 239                         return( -1 );
 240                 }
 241
 242                 snprintf( buf, sizeof( buf ), "%ld", n );
 243                 free( a->a_vals[ 0 ].bv_val );
 244                 ber_str2bv( buf, 0, 1, a->a_vals );
 245         }
 246
 247         return( 0 );
 248 }
 249
 250 static int
 251 conn_create(
 252         struct monitorinfo      *mi,
 253         Connection              *c,
 254         Entry                   **ep
 255 )
 256 {
 257         struct monitorentrypriv *mp;
 258         struct tm               *ltm;
 259         char                    buf[ BACKMONITOR_BUFSIZE ];
 260         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 261         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 262
 263         struct berval           bv;
 264
 265         Entry                   *e;
 266
 267         struct tm       *ctm;
 268         char            ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 269         struct tm       *mtm;
 270         char            mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 271 #ifdef HAVE_GMTIME_R
 272         struct tm       tm_buf;
 273 #endif /* HAVE_GMTIME_R */
 274
 275         assert( c != NULL );
 276         assert( ep != NULL );
 277
 278 #ifndef HAVE_GMTIME_R
 279         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 280 #endif
 281 #ifdef HACK_LOCAL_TIME
 282 # ifdef HAVE_LOCALTIME_R
 283         ctm = localtime_r( &c->c_starttime, &tm_buf );
 284         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 285         mtm = localtime_r( &c->c_activitytime, &tm_buf );
 286         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 287 # else
 288         ctm = localtime( &c->c_starttime );
 289         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 290         mtm = localtime( &c->c_activitytime );
 291         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 292 # endif /* HAVE_LOCALTIME_R */
 293 #else /* !HACK_LOCAL_TIME */
 294 # ifdef HAVE_GMTIME_R
 295         ctm = gmtime_r( &c->c_starttime, &tm_buf );
 296         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 297         mtm = gmtime_r( &c->c_activitytime, &tm_buf );
 298         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 299 # else
 300         ctm = gmtime( &c->c_starttime );
 301         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 302         mtm = gmtime( &c->c_activitytime );
 303         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 304 # endif /* HAVE_GMTIME_R */
 305 #endif /* !HACK_LOCAL_TIME */
 306 #ifndef HAVE_GMTIME_R
 307         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 308 #endif
 309
 310         snprintf( buf, sizeof( buf ),
 311                 "dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
 312                 "objectClass: %s\n"
 313                 "structuralObjectClass: %s\n"
 314                 "cn: " CONN_CN_PREFIX " %ld\n"
 315                 "createTimestamp: %s\n"
 316                 "modifyTimestamp: %s\n",
 317                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 318                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 319                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 320                 c->c_connid,
 321                 ctmbuf, mtmbuf );
 322
 323         e = str2entry( buf );
 324
 325         if ( e == NULL) {
 326 #ifdef NEW_LOGGING
 327                 LDAP_LOG( OPERATION, CRIT,
 328                         "monitor_subsys_conn_create: "
 329                         "unable to create entry "
 330                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 331                         c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 332 #else
 333                 Debug( LDAP_DEBUG_ANY,
 334                         "monitor_subsys_conn_create: "
 335                         "unable to create entry "
 336                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 337                         c->c_connid,
 338                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 339 #endif
 340                 return( -1 );
 341         }
 342
 343 #ifndef HAVE_GMTIME_R
 344         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 345 #endif
 346
 347 #ifdef HAVE_GMTIME_R
 348         ltm = gmtime_r( &c->c_starttime, &tm_buf );
 349 #else
 350         ltm = gmtime( &c->c_starttime );
 351 #endif
 352         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 353
 354 #ifdef HAVE_GMTIME_R
 355         ltm = gmtime_r( &c->c_activitytime, &tm_buf );
 356 #else
 357         ltm = gmtime( &c->c_activitytime );
 358 #endif
 359         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 360
 361 #ifndef HAVE_GMTIME_R
 362         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 363 #endif /* HAVE_GMTIME_R */
 364
 365         /* monitored info */
 366         sprintf( buf,
 367                 "%ld : %ld "
 368                 ": %ld/%ld/%ld/%ld "
 369                 ": %ld/%ld/%ld "
 370                 ": %s%s%s%s%s%s "
 371                 ": %s : %s : %s "
 372                 ": %s : %s : %s : %s",
 373                 c->c_connid,
 374                 (long) c->c_protocol,
 375                 c->c_n_ops_received, c->c_n_ops_executing,
 376                 c->c_n_ops_pending, c->c_n_ops_completed,
 377
 378                 /* add low-level counters here */
 379                 c->c_n_get, c->c_n_read, c->c_n_write,
 380
 381                 c->c_currentber ? "r" : "",
 382                 c->c_writewaiter ? "w" : "",
 383                 LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 384                 LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 385                 connection_state2str( c->c_conn_state ),
 386                 c->c_sasl_bind_in_progress ? "S" : "",
 387
 388                 c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 389
 390                 c->c_listener_url.bv_val,
 391                 c->c_peer_domain.bv_val,
 392                 c->c_peer_name.bv_val,
 393                 c->c_sock_name.bv_val,
 394
 395                 buf2,
 396                 buf3
 397                 );
 398
 399         bv.bv_val = buf;
 400         bv.bv_len = strlen( buf );
 401         attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, &bv );
 402
 403         /* connection number */
 404         snprintf( buf, sizeof( buf ), "%ld", c->c_connid );
 405         bv.bv_val = buf;
 406         bv.bv_len = strlen( buf );
 407         attr_merge_one( e, mi->mi_ad_monitorConnectionNumber, &bv, &bv );
 408
 409         /* authz DN */
 410         attr_merge_one( e, mi->mi_ad_monitorConnectionAuthzDN,
 411                         &c->c_dn, &c->c_ndn );
 412
 413         /* local address */
 414         attr_merge_one( e, mi->mi_ad_monitorConnectionLocalAddress,
 415                         &c->c_sock_name, &c->c_sock_name );
 416
 417         /* peer address */
 418         attr_merge_one( e, mi->mi_ad_monitorConnectionPeerAddress,
 419                         &c->c_peer_name, &c->c_peer_name );
 420
 421         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 422         e->e_private = ( void * )mp;
 423         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 424         mp->mp_children = NULL;
 425         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 426
 427         *ep = e;
 428
 429         return( 0 );
 430 }
 431
 432 int
 433 monitor_subsys_conn_create(
 434         Operation               *op,
 435         struct berval           *ndn,
 436         Entry                   *e_parent,
 437         Entry                   **ep
 438 )
 439 {
 440         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 441         Connection              *c;
 442         int                     connindex;
 443         struct monitorentrypriv *mp;
 444
 445         assert( mi != NULL );
 446         assert( e_parent != NULL );
 447         assert( ep != NULL );
 448
 449         *ep = NULL;
 450
 451         if ( ndn == NULL ) {
 452                 Entry *e, *e_tmp = NULL;
 453
 454                 /* create all the children of e_parent */
 455                 for ( c = connection_first( &connindex );
 456                                 c != NULL;
 457                                 c = connection_next( c, &connindex )) {
 458                         if ( conn_create( mi, c, &e ) || e == NULL ) {
 459                                 connection_done(c);
 460                                 for ( ; e_tmp != NULL; ) {
 461                                         mp = ( struct monitorentrypriv * )e_tmp->e_private;
 462                                         e = mp->mp_next;
 463
 464                                         ch_free( mp );
 465                                         e_tmp->e_private = NULL;
 466                                         entry_free( e_tmp );
 467
 468                                         e_tmp = e;
 469                                 }
 470                                 return( -1 );
 471                         }
 472                         mp = ( struct monitorentrypriv * )e->e_private;
 473                         mp->mp_next = e_tmp;
 474                         e_tmp = e;
 475                 }
 476                 connection_done(c);
 477
 478                 *ep = e;
 479
 480         } else {
 481                 LDAPRDN         values = NULL;
 482                 const char      *text = NULL;
 483                 unsigned long   connid;
 484
 485                 /* create exactly the required entry */
 486
 487                 if ( ldap_bv2rdn( ndn, &values, (char **)&text,
 488                         LDAP_DN_FORMAT_LDAP ) )
 489                 {
 490                         return( -1 );
 491                 }
 492
 493                 assert( values );
 494                 assert( values[ 0 ] );
 495
 496                 connid = atol( values[ 0 ]->la_value.bv_val
 497                                 + sizeof( CONN_CN_PREFIX ) );
 498
 499                 ldap_rdnfree( values );
 500
 501                 for ( c = connection_first( &connindex );
 502                                 c != NULL;
 503                                 c = connection_next( c, &connindex )) {
 504                         if ( c->c_connid == connid ) {
 505                                 if ( conn_create( mi, c, ep ) || *ep == NULL ) {
 506                                         connection_done( c );
 507                                         return( -1 );
 508                                 }
 509
 510                                 break;
 511                         }
 512                 }
 513
 514                 connection_done(c);
 515
 516         }
 517
 518         return( 0 );
 519 }
 520