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 2001-2004 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 "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                 "creatorsName: %s\n"
  77                 "modifiersName: %s\n"
  78                 "createTimestamp: %s\n"
  79                 "modifyTimestamp: %s\n",
  80                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
  81                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  82                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  83                 mi->mi_creatorsName.bv_val,
  84                 mi->mi_creatorsName.bv_val,
  85                 mi->mi_startTime.bv_val,
  86                 mi->mi_startTime.bv_val );
  87
  88         e = str2entry( buf );
  89         if ( e == NULL ) {
  90 #ifdef NEW_LOGGING
  91                 LDAP_LOG( OPERATION, CRIT,
  92                         "monitor_subsys_conn_init: "
  93                         "unable to create entry 'cn=Total,%s'\n",
  94                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
  95 #else
  96                 Debug( LDAP_DEBUG_ANY,
  97                         "monitor_subsys_conn_init: "
  98                         "unable to create entry 'cn=Total,%s'\n%s%s",
  99                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 100                         "", "" );
 101 #endif
 102                 return( -1 );
 103         }
 104
 105         bv.bv_val = "0";
 106         bv.bv_len = 1;
 107         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
 108
 109         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 110         e->e_private = ( void * )mp;
 111         mp->mp_next = e_tmp;
 112         mp->mp_children = NULL;
 113         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 114         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 115                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 116         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 117
 118         if ( monitor_cache_add( mi, e ) ) {
 119 #ifdef NEW_LOGGING
 120                 LDAP_LOG( OPERATION, CRIT,
 121                         "monitor_subsys_conn_init: "
 122                         "unable to add entry 'cn=Total,%s'\n",
 123                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 124 #else
 125                 Debug( LDAP_DEBUG_ANY,
 126                         "monitor_subsys_conn_init: "
 127                         "unable to add entry 'cn=Total,%s'\n%s%s",
 128                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 129                         "", "" );
 130 #endif
 131                 return( -1 );
 132         }
 133
 134         e_tmp = e;
 135
 136         /*
 137          * Current conns
 138          */
 139         snprintf( buf, sizeof( buf ),
 140                 "dn: cn=Current,%s\n"
 141                 "objectClass: %s\n"
 142                 "structuralObjectClass: %s\n"
 143                 "cn: Current\n"
 144                 "creatorsName: %s\n"
 145                 "modifiersName: %s\n"
 146                 "createTimestamp: %s\n"
 147                 "modifyTimestamp: %s\n",
 148                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 149                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 150                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 151                 mi->mi_creatorsName.bv_val,
 152                 mi->mi_creatorsName.bv_val,
 153                 mi->mi_startTime.bv_val,
 154                 mi->mi_startTime.bv_val );
 155
 156         e = str2entry( buf );
 157         if ( e == NULL ) {
 158 #ifdef NEW_LOGGING
 159                 LDAP_LOG( OPERATION, CRIT,
 160                         "monitor_subsys_conn_init: "
 161                         "unable to create entry 'cn=Current,%s'\n",
 162                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 163 #else
 164                 Debug( LDAP_DEBUG_ANY,
 165                         "monitor_subsys_conn_init: "
 166                         "unable to create entry 'cn=Current,%s'\n%s%s",
 167                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 168                         "", "" );
 169 #endif
 170                 return( -1 );
 171         }
 172
 173         bv.bv_val = "0";
 174         bv.bv_len = 1;
 175         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
 176
 177         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 178         e->e_private = ( void * )mp;
 179         mp->mp_next = e_tmp;
 180         mp->mp_children = NULL;
 181         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 182         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 183                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 184         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 185
 186         if ( monitor_cache_add( mi, e ) ) {
 187 #ifdef NEW_LOGGING
 188                 LDAP_LOG( OPERATION, CRIT,
 189                         "monitor_subsys_conn_init: "
 190                         "unable to add entry 'cn=Current,%s'\n",
 191                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 192 #else
 193                 Debug( LDAP_DEBUG_ANY,
 194                         "monitor_subsys_conn_init: "
 195                         "unable to add entry 'cn=Current,%s'\n%s%s",
 196                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 197                         "", "" );
 198 #endif
 199                 return( -1 );
 200         }
 201
 202         e_tmp = e;
 203
 204         mp = ( struct monitorentrypriv * )e_conn->e_private;
 205         mp->mp_children = e_tmp;
 206
 207         monitor_cache_release( mi, e_conn );
 208
 209         return( 0 );
 210 }
 211
 212 int
 213 monitor_subsys_conn_update(
 214         Operation               *op,
 215         Entry                   *e
 216 )
 217 {
 218         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 219         long            n = -1;
 220
 221         assert( mi );
 222         assert( e );
 223
 224         if ( strncasecmp( e->e_ndn, "cn=total",
 225                                 sizeof("cn=total")-1 ) == 0 ) {
 226                 n = connections_nextid();
 227
 228         } else if ( strncasecmp( e->e_ndn, "cn=current",
 229                                 sizeof("cn=current")-1 ) == 0 ) {
 230                 Connection      *c;
 231                 int             connindex;
 232
 233                 for ( n = 0, c = connection_first( &connindex );
 234                                 c != NULL;
 235                                 n++, c = connection_next( c, &connindex ) ) {
 236                         /* No Op */ ;
 237                 }
 238                 connection_done(c);
 239         }
 240
 241         if ( n != -1 ) {
 242                 Attribute       *a;
 243                 char            buf[] = "+9223372036854775807L";
 244
 245                 a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
 246                 if ( a == NULL ) {
 247                         return( -1 );
 248                 }
 249
 250                 snprintf( buf, sizeof( buf ), "%ld", n );
 251                 free( a->a_vals[ 0 ].bv_val );
 252                 ber_str2bv( buf, 0, 1, a->a_vals );
 253         }
 254
 255         return( 0 );
 256 }
 257
 258 static int
 259 conn_create(
 260         struct monitorinfo      *mi,
 261         Connection              *c,
 262         Entry                   **ep
 263 )
 264 {
 265         struct monitorentrypriv *mp;
 266         struct tm               *ltm;
 267         char                    buf[ BACKMONITOR_BUFSIZE ];
 268         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 269         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 270
 271         struct berval           bv;
 272
 273         Entry                   *e;
 274
 275         struct tm       *ctm;
 276         char            ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 277         struct tm       *mtm;
 278         char            mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 279 #ifdef HAVE_GMTIME_R
 280         struct tm       tm_buf;
 281 #endif /* HAVE_GMTIME_R */
 282
 283         assert( c != NULL );
 284         assert( ep != NULL );
 285
 286 #ifndef HAVE_GMTIME_R
 287         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 288 #endif
 289 #ifdef HACK_LOCAL_TIME
 290 # ifdef HAVE_LOCALTIME_R
 291         ctm = localtime_r( &c->c_starttime, &tm_buf );
 292         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 293         mtm = localtime_r( &c->c_activitytime, &tm_buf );
 294         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 295 # else
 296         ctm = localtime( &c->c_starttime );
 297         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 298         mtm = localtime( &c->c_activitytime );
 299         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 300 # endif /* HAVE_LOCALTIME_R */
 301 #else /* !HACK_LOCAL_TIME */
 302 # ifdef HAVE_GMTIME_R
 303         ctm = gmtime_r( &c->c_starttime, &tm_buf );
 304         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 305         mtm = gmtime_r( &c->c_activitytime, &tm_buf );
 306         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 307 # else
 308         ctm = gmtime( &c->c_starttime );
 309         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 310         mtm = gmtime( &c->c_activitytime );
 311         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 312 # endif /* HAVE_GMTIME_R */
 313 #endif /* !HACK_LOCAL_TIME */
 314 #ifndef HAVE_GMTIME_R
 315         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 316 #endif
 317
 318         snprintf( buf, sizeof( buf ),
 319                 "dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
 320                 "objectClass: %s\n"
 321                 "structuralObjectClass: %s\n"
 322                 "cn: " CONN_CN_PREFIX " %ld\n"
 323                 "creatorsName: %s\n"
 324                 "modifiersName: %s\n"
 325                 "createTimestamp: %s\n"
 326                 "modifyTimestamp: %s\n",
 327                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 328                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 329                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 330                 c->c_connid,
 331                 mi->mi_creatorsName.bv_val,
 332                 mi->mi_creatorsName.bv_val,
 333                 ctmbuf,
 334                 mtmbuf );
 335
 336         e = str2entry( buf );
 337
 338         if ( e == NULL) {
 339 #ifdef NEW_LOGGING
 340                 LDAP_LOG( OPERATION, CRIT,
 341                         "monitor_subsys_conn_create: "
 342                         "unable to create entry "
 343                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 344                         c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 345 #else
 346                 Debug( LDAP_DEBUG_ANY,
 347                         "monitor_subsys_conn_create: "
 348                         "unable to create entry "
 349                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 350                         c->c_connid,
 351                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 352 #endif
 353                 return( -1 );
 354         }
 355
 356 #ifndef HAVE_GMTIME_R
 357         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 358 #endif
 359
 360 #ifdef HAVE_GMTIME_R
 361         ltm = gmtime_r( &c->c_starttime, &tm_buf );
 362 #else
 363         ltm = gmtime( &c->c_starttime );
 364 #endif
 365         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 366
 367 #ifdef HAVE_GMTIME_R
 368         ltm = gmtime_r( &c->c_activitytime, &tm_buf );
 369 #else
 370         ltm = gmtime( &c->c_activitytime );
 371 #endif
 372         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 373
 374 #ifndef HAVE_GMTIME_R
 375         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 376 #endif /* HAVE_GMTIME_R */
 377
 378         /* monitored info */
 379         sprintf( buf,
 380                 "%ld : %ld "
 381                 ": %ld/%ld/%ld/%ld "
 382                 ": %ld/%ld/%ld "
 383                 ": %s%s%s%s%s%s "
 384                 ": %s : %s : %s "
 385                 ": %s : %s : %s : %s",
 386                 c->c_connid,
 387                 (long) c->c_protocol,
 388                 c->c_n_ops_received, c->c_n_ops_executing,
 389                 c->c_n_ops_pending, c->c_n_ops_completed,
 390
 391                 /* add low-level counters here */
 392                 c->c_n_get, c->c_n_read, c->c_n_write,
 393
 394                 c->c_currentber ? "r" : "",
 395                 c->c_writewaiter ? "w" : "",
 396                 LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 397                 LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 398                 connection_state2str( c->c_conn_state ),
 399                 c->c_sasl_bind_in_progress ? "S" : "",
 400
 401                 c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 402
 403                 c->c_listener_url.bv_val,
 404                 c->c_peer_domain.bv_val,
 405                 c->c_peer_name.bv_val,
 406                 c->c_sock_name.bv_val,
 407
 408                 buf2,
 409                 buf3
 410                 );
 411
 412         bv.bv_val = buf;
 413         bv.bv_len = strlen( buf );
 414         attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 415
 416         /* connection number */
 417         snprintf( buf, sizeof( buf ), "%ld", c->c_connid );
 418         bv.bv_val = buf;
 419         bv.bv_len = strlen( buf );
 420         attr_merge_one( e, mi->mi_ad_monitorConnectionNumber, &bv, NULL );
 421
 422         /* authz DN */
 423         attr_merge_one( e, mi->mi_ad_monitorConnectionAuthzDN,
 424                         &c->c_dn, &c->c_ndn );
 425
 426         /* local address */
 427         attr_merge_one( e, mi->mi_ad_monitorConnectionLocalAddress,
 428                         &c->c_sock_name, NULL );
 429
 430         /* peer address */
 431         attr_merge_one( e, mi->mi_ad_monitorConnectionPeerAddress,
 432                         &c->c_peer_name, NULL );
 433
 434         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 435         e->e_private = ( void * )mp;
 436         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 437         mp->mp_children = NULL;
 438         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 439
 440         *ep = e;
 441
 442         return( 0 );
 443 }
 444
 445 int
 446 monitor_subsys_conn_create(
 447         Operation               *op,
 448         struct berval           *ndn,
 449         Entry                   *e_parent,
 450         Entry                   **ep
 451 )
 452 {
 453         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 454         Connection              *c;
 455         int                     connindex;
 456         struct monitorentrypriv *mp;
 457
 458         assert( mi != NULL );
 459         assert( e_parent != NULL );
 460         assert( ep != NULL );
 461
 462         *ep = NULL;
 463
 464         if ( ndn == NULL ) {
 465                 Entry *e, *e_tmp = NULL;
 466
 467                 /* create all the children of e_parent */
 468                 for ( c = connection_first( &connindex );
 469                                 c != NULL;
 470                                 c = connection_next( c, &connindex )) {
 471                         if ( conn_create( mi, c, &e ) || e == NULL ) {
 472                                 connection_done(c);
 473                                 for ( ; e_tmp != NULL; ) {
 474                                         mp = ( struct monitorentrypriv * )e_tmp->e_private;
 475                                         e = mp->mp_next;
 476
 477                                         ch_free( mp );
 478                                         e_tmp->e_private = NULL;
 479                                         entry_free( e_tmp );
 480
 481                                         e_tmp = e;
 482                                 }
 483                                 return( -1 );
 484                         }
 485                         mp = ( struct monitorentrypriv * )e->e_private;
 486                         mp->mp_next = e_tmp;
 487                         e_tmp = e;
 488                 }
 489                 connection_done(c);
 490
 491                 *ep = e;
 492
 493         } else {
 494                 LDAPRDN         values = NULL;
 495                 const char      *text = NULL;
 496                 unsigned long   connid;
 497
 498                 /* create exactly the required entry */
 499
 500                 if ( ldap_bv2rdn( ndn, &values, (char **)&text,
 501                         LDAP_DN_FORMAT_LDAP ) )
 502                 {
 503                         return( -1 );
 504                 }
 505
 506                 assert( values );
 507                 assert( values[ 0 ] );
 508
 509                 connid = atol( values[ 0 ]->la_value.bv_val
 510                                 + sizeof( CONN_CN_PREFIX ) );
 511
 512                 ldap_rdnfree( values );
 513
 514                 for ( c = connection_first( &connindex );
 515                                 c != NULL;
 516                                 c = connection_next( c, &connindex )) {
 517                         if ( c->c_connid == connid ) {
 518                                 if ( conn_create( mi, c, ep ) || *ep == NULL ) {
 519                                         connection_done( c );
 520                                         return( -1 );
 521                                 }
 522
 523                                 break;
 524                         }
 525                 }
 526
 527                 connection_done(c);
 528
 529         }
 530
 531         return( 0 );
 532 }
 533