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 #ifndef LDAP_DEVEL
  32 #define MONITOR_LEGACY_CONN
  33 #endif
  34
  35 int
  36 monitor_subsys_conn_init(
  37         BackendDB               *be,
  38         monitor_subsys_t        *ms
  39 )
  40 {
  41         monitor_info_t  *mi;
  42         Entry           *e, **ep, *e_conn;
  43         monitor_entry_t *mp;
  44         char            buf[ BACKMONITOR_BUFSIZE ];
  45         struct berval   bv;
  46
  47         assert( be != NULL );
  48
  49         mi = ( monitor_info_t * )be->be_private;
  50
  51         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_conn ) ) {
  52                 Debug( LDAP_DEBUG_ANY,
  53                         "monitor_subsys_conn_init: "
  54                         "unable to get entry \"%s\"\n",
  55                         ms->mss_ndn.bv_val, 0, 0 );
  56                 return( -1 );
  57         }
  58
  59         mp = ( monitor_entry_t * )e_conn->e_private;
  60         mp->mp_children = NULL;
  61         ep = &mp->mp_children;
  62
  63         /*
  64          * Total conns
  65          */
  66         snprintf( buf, sizeof( buf ),
  67                 "dn: cn=Total,%s\n"
  68                 "objectClass: %s\n"
  69                 "structuralObjectClass: %s\n"
  70                 "cn: Total\n"
  71                 "creatorsName: %s\n"
  72                 "modifiersName: %s\n"
  73                 "createTimestamp: %s\n"
  74                 "modifyTimestamp: %s\n",
  75                 ms->mss_dn.bv_val,
  76                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  77                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  78                 mi->mi_creatorsName.bv_val,
  79                 mi->mi_creatorsName.bv_val,
  80                 mi->mi_startTime.bv_val,
  81                 mi->mi_startTime.bv_val );
  82
  83         e = str2entry( buf );
  84         if ( e == NULL ) {
  85                 Debug( LDAP_DEBUG_ANY,
  86                         "monitor_subsys_conn_init: "
  87                         "unable to create entry \"cn=Total,%s\"\n",
  88                         ms->mss_ndn.bv_val, 0, 0 );
  89                 return( -1 );
  90         }
  91
  92         BER_BVSTR( &bv, "0" );
  93         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
  94
  95         mp = monitor_entrypriv_create();
  96         if ( mp == NULL ) {
  97                 return -1;
  98         }
  99         e->e_private = ( void * )mp;
 100         mp->mp_info = ms;
 101         mp->mp_flags = ms->mss_flags \
 102                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 103         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 104
 105         if ( monitor_cache_add( mi, e ) ) {
 106                 Debug( LDAP_DEBUG_ANY,
 107                         "monitor_subsys_conn_init: "
 108                         "unable to add entry \"cn=Total,%s\"\n",
 109                         ms->mss_ndn.bv_val, 0, 0 );
 110                 return( -1 );
 111         }
 112
 113         *ep = e;
 114         ep = &mp->mp_next;
 115
 116         /*
 117          * Current conns
 118          */
 119         snprintf( buf, sizeof( buf ),
 120                 "dn: cn=Current,%s\n"
 121                 "objectClass: %s\n"
 122                 "structuralObjectClass: %s\n"
 123                 "cn: Current\n"
 124                 "creatorsName: %s\n"
 125                 "modifiersName: %s\n"
 126                 "createTimestamp: %s\n"
 127                 "modifyTimestamp: %s\n",
 128                 ms->mss_dn.bv_val,
 129                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 130                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 131                 mi->mi_creatorsName.bv_val,
 132                 mi->mi_creatorsName.bv_val,
 133                 mi->mi_startTime.bv_val,
 134                 mi->mi_startTime.bv_val );
 135
 136         e = str2entry( buf );
 137         if ( e == NULL ) {
 138                 Debug( LDAP_DEBUG_ANY,
 139                         "monitor_subsys_conn_init: "
 140                         "unable to create entry \"cn=Current,%s\"\n",
 141                         ms->mss_ndn.bv_val, 0, 0 );
 142                 return( -1 );
 143         }
 144
 145         BER_BVSTR( &bv, "0" );
 146         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
 147
 148         mp = monitor_entrypriv_create();
 149         if ( mp == NULL ) {
 150                 return -1;
 151         }
 152         e->e_private = ( void * )mp;
 153         mp->mp_info = ms;
 154         mp->mp_flags = ms->mss_flags \
 155                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 156         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 157
 158         if ( monitor_cache_add( mi, e ) ) {
 159                 Debug( LDAP_DEBUG_ANY,
 160                         "monitor_subsys_conn_init: "
 161                         "unable to add entry \"cn=Current,%s\"\n",
 162                         ms->mss_ndn.bv_val, 0, 0 );
 163                 return( -1 );
 164         }
 165
 166         *ep = e;
 167         ep = &mp->mp_next;
 168
 169         monitor_cache_release( mi, e_conn );
 170
 171         return( 0 );
 172 }
 173
 174 int
 175 monitor_subsys_conn_update(
 176         Operation               *op,
 177         Entry                   *e
 178 )
 179 {
 180         monitor_info_t  *mi = ( monitor_info_t * )op->o_bd->be_private;
 181
 182         long                    n = -1;
 183         static struct berval    total_bv = BER_BVC( "cn=total" ),
 184                                 current_bv = BER_BVC( "cn=current" );
 185         struct berval           rdn;
 186
 187         assert( mi );
 188         assert( e );
 189
 190         dnRdn( &e->e_nname, &rdn );
 191
 192         if ( dn_match( &rdn, &total_bv ) ) {
 193                 n = connections_nextid();
 194
 195         } else if ( dn_match( &rdn, &current_bv ) ) {
 196                 Connection      *c;
 197                 int             connindex;
 198
 199                 for ( n = 0, c = connection_first( &connindex );
 200                                 c != NULL;
 201                                 n++, c = connection_next( c, &connindex ) ) {
 202                         /* No Op */ ;
 203                 }
 204                 connection_done( c );
 205         }
 206
 207         if ( n != -1 ) {
 208                 Attribute       *a;
 209                 char            buf[] = "+9223372036854775807L";
 210                 ber_len_t       len;
 211
 212                 a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
 213                 if ( a == NULL ) {
 214                         return( -1 );
 215                 }
 216
 217                 snprintf( buf, sizeof( buf ), "%ld", n );
 218                 len = strlen( buf );
 219                 if ( len > a->a_vals[ 0 ].bv_len ) {
 220                         a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
 221                 }
 222                 a->a_vals[ 0 ].bv_len = len;
 223                 AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
 224
 225                 /* FIXME: touch modifyTimestamp? */
 226         }
 227
 228         return( 0 );
 229 }
 230
 231 static int
 232 conn_create(
 233         monitor_info_t          *mi,
 234         Connection              *c,
 235         Entry                   **ep,
 236         monitor_subsys_t        *ms
 237 )
 238 {
 239         monitor_entry_t *mp;
 240         struct tm               *ltm;
 241         char                    buf[ BACKMONITOR_BUFSIZE ];
 242         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 243         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 244
 245         struct berval           bv;
 246
 247         Entry                   *e;
 248
 249         struct tm       *ctm;
 250         char            ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 251         struct tm       *mtm;
 252         char            mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 253 #ifdef HAVE_GMTIME_R
 254         struct tm       tm_buf;
 255 #endif /* HAVE_GMTIME_R */
 256
 257         assert( c != NULL );
 258         assert( ep != NULL );
 259
 260 #ifndef HAVE_GMTIME_R
 261         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 262 #endif
 263 #ifdef HACK_LOCAL_TIME
 264 # ifdef HAVE_LOCALTIME_R
 265         ctm = localtime_r( &c->c_starttime, &tm_buf );
 266         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 267         mtm = localtime_r( &c->c_activitytime, &tm_buf );
 268         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 269 # else
 270         ctm = localtime( &c->c_starttime );
 271         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 272         mtm = localtime( &c->c_activitytime );
 273         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 274 # endif /* HAVE_LOCALTIME_R */
 275 #else /* !HACK_LOCAL_TIME */
 276 # ifdef HAVE_GMTIME_R
 277         ctm = gmtime_r( &c->c_starttime, &tm_buf );
 278         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 279         mtm = gmtime_r( &c->c_activitytime, &tm_buf );
 280         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 281 # else
 282         ctm = gmtime( &c->c_starttime );
 283         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 284         mtm = gmtime( &c->c_activitytime );
 285         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 286 # endif /* HAVE_GMTIME_R */
 287 #endif /* !HACK_LOCAL_TIME */
 288 #ifndef HAVE_GMTIME_R
 289         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 290 #endif
 291
 292 #ifndef HAVE_GMTIME_R
 293         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 294 #endif
 295
 296 #ifdef HAVE_GMTIME_R
 297         ltm = gmtime_r( &c->c_starttime, &tm_buf );
 298 #else
 299         ltm = gmtime( &c->c_starttime );
 300 #endif
 301         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 302
 303 #ifdef HAVE_GMTIME_R
 304         ltm = gmtime_r( &c->c_activitytime, &tm_buf );
 305 #else
 306         ltm = gmtime( &c->c_activitytime );
 307 #endif
 308         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 309
 310 #ifndef HAVE_GMTIME_R
 311         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 312 #endif /* HAVE_GMTIME_R */
 313
 314         snprintf( buf, sizeof( buf ),
 315                 "dn: cn=Connection %ld,%s\n"
 316                 "objectClass: %s\n"
 317                 "structuralObjectClass: %s\n"
 318                 "cn: Connection %ld\n"
 319
 320 #ifdef MONITOR_LEGACY_CONN
 321                 /* NOTE: this will disappear, as the exploded data
 322                  * has been moved to dedicated attributes */
 323                 "%s: "
 324                         "%ld "
 325                         ": %ld "
 326                         ": %ld/%ld/%ld/%ld "
 327                         ": %ld/%ld/%ld "
 328                         ": %s%s%s%s%s%s "
 329                         ": %s "
 330                         ": %s "
 331                         ": %s "
 332                         ": %s "
 333                         ": %s "
 334                         ": %s "
 335                         ": %s\n"
 336 #endif /* MONITOR_LEGACY_CONN */
 337
 338                 "%s: %lu\n"
 339                 "%s: %ld\n"
 340
 341                 "%s: %ld\n"
 342                 "%s: %ld\n"
 343                 "%s: %ld\n"
 344                 "%s: %ld\n"
 345
 346                 "%s: %ld\n"
 347                 "%s: %ld\n"
 348                 "%s: %ld\n"
 349
 350                 "%s: %s%s%s%s%s%s\n"
 351
 352                 "%s: %s\n"
 353
 354                 "%s: %s\n"
 355                 "%s: %s\n"
 356                 "%s: %s\n"
 357                 "%s: %s\n"
 358
 359                 "%s: %s\n"
 360                 "%s: %s\n"
 361
 362                 "creatorsName: %s\n"
 363                 "modifiersName: %s\n"
 364                 "createTimestamp: %s\n"
 365                 "modifyTimestamp: %s\n",
 366                 c->c_connid, ms->mss_dn.bv_val,
 367                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 368                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 369                 c->c_connid,
 370
 371 #ifdef MONITOR_LEGACY_CONN
 372                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 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 #endif /* MONITOR_LEGACY_CONN */
 398
 399                 mi->mi_ad_monitorConnectionNumber->ad_cname.bv_val,
 400                         c->c_connid,
 401                 mi->mi_ad_monitorConnectionProtocol->ad_cname.bv_val,
 402                         (long)c->c_protocol,
 403
 404                 mi->mi_ad_monitorConnectionOpsReceived->ad_cname.bv_val,
 405                         c->c_n_ops_received,
 406                 mi->mi_ad_monitorConnectionOpsExecuting->ad_cname.bv_val,
 407                         c->c_n_ops_executing,
 408                 mi->mi_ad_monitorConnectionOpsPending->ad_cname.bv_val,
 409                         c->c_n_ops_pending,
 410                 mi->mi_ad_monitorConnectionOpsCompleted->ad_cname.bv_val,
 411                         c->c_n_ops_completed,
 412
 413                 mi->mi_ad_monitorConnectionGet->ad_cname.bv_val,
 414                         c->c_n_get,
 415                 mi->mi_ad_monitorConnectionRead->ad_cname.bv_val,
 416                         c->c_n_read,
 417                 mi->mi_ad_monitorConnectionWrite->ad_cname.bv_val,
 418                         c->c_n_write,
 419
 420                 mi->mi_ad_monitorConnectionMask->ad_cname.bv_val,
 421                         c->c_currentber ? "r" : "",
 422                         c->c_writewaiter ? "w" : "",
 423                         LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 424                         LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 425                         connection_state2str( c->c_conn_state ),
 426                         c->c_sasl_bind_in_progress ? "S" : "",
 427
 428                 mi->mi_ad_monitorConnectionAuthzDN->ad_cname.bv_val,
 429                         c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 430
 431                 mi->mi_ad_monitorConnectionListener->ad_cname.bv_val,
 432                         c->c_listener_url.bv_val,
 433                 mi->mi_ad_monitorConnectionPeerDomain->ad_cname.bv_val,
 434                         c->c_peer_domain.bv_val,
 435                 mi->mi_ad_monitorConnectionLocalAddress->ad_cname.bv_val,
 436                         c->c_peer_name.bv_val,
 437                 mi->mi_ad_monitorConnectionPeerAddress->ad_cname.bv_val,
 438                         c->c_sock_name.bv_val,
 439
 440                 mi->mi_ad_monitorConnectionStartTime->ad_cname.bv_val,
 441                         buf2,
 442                 mi->mi_ad_monitorConnectionActivityTime->ad_cname.bv_val,
 443                         buf3,
 444
 445                 mi->mi_creatorsName.bv_val,
 446                 mi->mi_creatorsName.bv_val,
 447                 ctmbuf,
 448                 mtmbuf );
 449
 450         e = str2entry( buf );
 451
 452         if ( e == NULL) {
 453                 Debug( LDAP_DEBUG_ANY,
 454                         "monitor_subsys_conn_create: "
 455                         "unable to create entry "
 456                         "\"cn=Connection %ld,%s\" entry\n",
 457                         c->c_connid,
 458                         ms->mss_dn.bv_val, 0 );
 459                 return( -1 );
 460         }
 461
 462         mp = monitor_entrypriv_create();
 463         if ( mp == NULL ) {
 464                 return -1;
 465         }
 466         e->e_private = ( void * )mp;
 467         mp->mp_info = ms;
 468         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 469
 470         *ep = e;
 471
 472         return( 0 );
 473 }
 474
 475 int
 476 monitor_subsys_conn_create(
 477         Operation               *op,
 478         struct berval           *ndn,
 479         Entry                   *e_parent,
 480         Entry                   **ep
 481 )
 482 {
 483         monitor_info_t  *mi = ( monitor_info_t * )op->o_bd->be_private;
 484
 485         Connection              *c;
 486         int                     connindex;
 487         monitor_entry_t         *mp;
 488         int                     rc = 0;
 489         monitor_subsys_t        *ms;
 490
 491         assert( mi != NULL );
 492         assert( e_parent != NULL );
 493         assert( ep != NULL );
 494
 495         ms = (( monitor_entry_t *)e_parent->e_private)->mp_info;
 496
 497         *ep = NULL;
 498
 499         if ( ndn == NULL ) {
 500                 Entry   *e = NULL,
 501                         *e_tmp = NULL;
 502
 503                 /* create all the children of e_parent */
 504                 for ( c = connection_first( &connindex );
 505                                 c != NULL;
 506                                 c = connection_next( c, &connindex ))
 507                 {
 508                         if ( conn_create( mi, c, &e, ms ) || e == NULL ) {
 509                                 for ( ; e_tmp != NULL; ) {
 510                                         mp = ( monitor_entry_t * )e_tmp->e_private;
 511                                         e = mp->mp_next;
 512
 513                                         ch_free( mp );
 514                                         e_tmp->e_private = NULL;
 515                                         entry_free( e_tmp );
 516
 517                                         e_tmp = e;
 518                                 }
 519                                 rc = -1;
 520                                 break;
 521                         }
 522                         mp = ( monitor_entry_t * )e->e_private;
 523                         mp->mp_next = e_tmp;
 524                         e_tmp = e;
 525                 }
 526                 connection_done(c);
 527                 *ep = e;
 528
 529         } else {
 530                 unsigned long           connid;
 531                 char                    *next = NULL;
 532                 static struct berval    nconn_bv = BER_BVC( "cn=connection " );
 533
 534
 535                 /* create exactly the required entry;
 536                  * the normalized DN must start with "cn=connection ",
 537                  * followed by the connection id, followed by
 538                  * the RDN separator "," */
 539                 if ( ndn->bv_len <= nconn_bv.bv_len
 540                                 || strncmp( ndn->bv_val, nconn_bv.bv_val, nconn_bv.bv_len ) != 0 )
 541                 {
 542                         return -1;
 543                 }
 544
 545                 connid = strtol( &ndn->bv_val[ nconn_bv.bv_len ], &next, 10 );
 546                 if ( next[ 0 ] != ',' ) {
 547                         return -1;
 548                 }
 549
 550                 for ( c = connection_first( &connindex );
 551                                 c != NULL;
 552                                 c = connection_next( c, &connindex )) {
 553                         if ( c->c_connid == connid ) {
 554                                 if ( conn_create( mi, c, ep, ms ) || *ep == NULL ) {
 555                                         rc = -1;
 556                                 }
 557
 558                                 break;
 559                         }
 560                 }
 561
 562                 connection_done(c);
 563         }
 564
 565         return rc;
 566 }
 567