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 int
  32 monitor_subsys_conn_init(
  33         BackendDB               *be,
  34         monitor_subsys_t        *ms
  35 )
  36 {
  37         monitor_info_t  *mi;
  38         Entry           *e, **ep, *e_conn;
  39         monitor_entry_t *mp;
  40         char            buf[ BACKMONITOR_BUFSIZE ];
  41         struct berval   bv;
  42
  43         assert( be != NULL );
  44
  45         mi = ( monitor_info_t * )be->be_private;
  46
  47         if ( monitor_cache_get( mi, &ms->mss_ndn, &e_conn ) ) {
  48                 Debug( LDAP_DEBUG_ANY,
  49                         "monitor_subsys_conn_init: "
  50                         "unable to get entry \"%s\"\n",
  51                         ms->mss_ndn.bv_val, 0, 0 );
  52                 return( -1 );
  53         }
  54
  55         mp = ( monitor_entry_t * )e_conn->e_private;
  56         mp->mp_children = NULL;
  57         ep = &mp->mp_children;
  58
  59         /*
  60          * Total conns
  61          */
  62         snprintf( buf, sizeof( buf ),
  63                 "dn: cn=Total,%s\n"
  64                 "objectClass: %s\n"
  65                 "structuralObjectClass: %s\n"
  66                 "cn: Total\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_monitorCounterObject->soc_cname.bv_val,
  73                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  74                 mi->mi_creatorsName.bv_val,
  75                 mi->mi_creatorsName.bv_val,
  76                 mi->mi_startTime.bv_val,
  77                 mi->mi_startTime.bv_val );
  78
  79         e = str2entry( buf );
  80         if ( e == NULL ) {
  81                 Debug( LDAP_DEBUG_ANY,
  82                         "monitor_subsys_conn_init: "
  83                         "unable to create entry \"cn=Total,%s\"\n",
  84                         ms->mss_ndn.bv_val, 0, 0 );
  85                 return( -1 );
  86         }
  87
  88         BER_BVSTR( &bv, "0" );
  89         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
  90
  91         mp = monitor_entrypriv_create();
  92         if ( mp == NULL ) {
  93                 return -1;
  94         }
  95         e->e_private = ( void * )mp;
  96         mp->mp_info = ms;
  97         mp->mp_flags = ms->mss_flags \
  98                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
  99         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 100
 101         if ( monitor_cache_add( mi, e ) ) {
 102                 Debug( LDAP_DEBUG_ANY,
 103                         "monitor_subsys_conn_init: "
 104                         "unable to add entry \"cn=Total,%s\"\n",
 105                         ms->mss_ndn.bv_val, 0, 0 );
 106                 return( -1 );
 107         }
 108
 109         *ep = e;
 110         ep = &mp->mp_next;
 111
 112         /*
 113          * Current conns
 114          */
 115         snprintf( buf, sizeof( buf ),
 116                 "dn: cn=Current,%s\n"
 117                 "objectClass: %s\n"
 118                 "structuralObjectClass: %s\n"
 119                 "cn: Current\n"
 120                 "creatorsName: %s\n"
 121                 "modifiersName: %s\n"
 122                 "createTimestamp: %s\n"
 123                 "modifyTimestamp: %s\n",
 124                 ms->mss_dn.bv_val,
 125                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 126                 mi->mi_oc_monitorCounterObject->soc_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_conn_init: "
 136                         "unable to create entry \"cn=Current,%s\"\n",
 137                         ms->mss_ndn.bv_val, 0, 0 );
 138                 return( -1 );
 139         }
 140
 141         BER_BVSTR( &bv, "0" );
 142         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, &bv );
 143
 144         mp = monitor_entrypriv_create();
 145         if ( mp == NULL ) {
 146                 return -1;
 147         }
 148         e->e_private = ( void * )mp;
 149         mp->mp_info = ms;
 150         mp->mp_flags = ms->mss_flags \
 151                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 152         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 153
 154         if ( monitor_cache_add( mi, e ) ) {
 155                 Debug( LDAP_DEBUG_ANY,
 156                         "monitor_subsys_conn_init: "
 157                         "unable to add entry \"cn=Current,%s\"\n",
 158                         ms->mss_ndn.bv_val, 0, 0 );
 159                 return( -1 );
 160         }
 161
 162         *ep = e;
 163         ep = &mp->mp_next;
 164
 165         monitor_cache_release( mi, e_conn );
 166
 167         return( 0 );
 168 }
 169
 170 int
 171 monitor_subsys_conn_update(
 172         Operation               *op,
 173         Entry                   *e
 174 )
 175 {
 176         monitor_info_t  *mi = ( monitor_info_t * )op->o_bd->be_private;
 177
 178         long                    n = -1;
 179         static struct berval    total_bv = BER_BVC( "cn=total" ),
 180                                 current_bv = BER_BVC( "cn=current" );
 181         struct berval           rdn;
 182
 183         assert( mi );
 184         assert( e );
 185
 186         dnRdn( &e->e_nname, &rdn );
 187
 188         if ( dn_match( &rdn, &total_bv ) ) {
 189                 n = connections_nextid();
 190
 191         } else if ( dn_match( &rdn, &current_bv ) ) {
 192                 Connection      *c;
 193                 int             connindex;
 194
 195                 for ( n = 0, c = connection_first( &connindex );
 196                                 c != NULL;
 197                                 n++, c = connection_next( c, &connindex ) ) {
 198                         /* No Op */ ;
 199                 }
 200                 connection_done( c );
 201         }
 202
 203         if ( n != -1 ) {
 204                 Attribute       *a;
 205                 char            buf[] = "+9223372036854775807L";
 206                 ber_len_t       len;
 207
 208                 a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
 209                 if ( a == NULL ) {
 210                         return( -1 );
 211                 }
 212
 213                 snprintf( buf, sizeof( buf ), "%ld", n );
 214                 len = strlen( buf );
 215                 if ( len > a->a_vals[ 0 ].bv_len ) {
 216                         a->a_vals[ 0 ].bv_val = ber_memrealloc( a->a_vals[ 0 ].bv_val, len + 1 );
 217                 }
 218                 a->a_vals[ 0 ].bv_len = len;
 219                 AC_MEMCPY( a->a_vals[ 0 ].bv_val, buf, len + 1 );
 220
 221                 /* FIXME: touch modifyTimestamp? */
 222         }
 223
 224         return( 0 );
 225 }
 226
 227 static int
 228 conn_create(
 229         monitor_info_t          *mi,
 230         Connection              *c,
 231         Entry                   **ep,
 232         monitor_subsys_t        *ms
 233 )
 234 {
 235         monitor_entry_t *mp;
 236         struct tm               *ltm;
 237         char                    buf[ BACKMONITOR_BUFSIZE ];
 238         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 239         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 240
 241         struct berval           bv;
 242
 243         Entry                   *e;
 244
 245         struct tm       *ctm;
 246         char            ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 247         struct tm       *mtm;
 248         char            mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 249 #ifdef HAVE_GMTIME_R
 250         struct tm       tm_buf;
 251 #endif /* HAVE_GMTIME_R */
 252
 253         assert( c != NULL );
 254         assert( ep != NULL );
 255
 256 #ifndef HAVE_GMTIME_R
 257         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 258 #endif
 259 #ifdef HACK_LOCAL_TIME
 260 # ifdef HAVE_LOCALTIME_R
 261         ctm = localtime_r( &c->c_starttime, &tm_buf );
 262         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 263         mtm = localtime_r( &c->c_activitytime, &tm_buf );
 264         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 265 # else
 266         ctm = localtime( &c->c_starttime );
 267         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 268         mtm = localtime( &c->c_activitytime );
 269         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 270 # endif /* HAVE_LOCALTIME_R */
 271 #else /* !HACK_LOCAL_TIME */
 272 # ifdef HAVE_GMTIME_R
 273         ctm = gmtime_r( &c->c_starttime, &tm_buf );
 274         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 275         mtm = gmtime_r( &c->c_activitytime, &tm_buf );
 276         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 277 # else
 278         ctm = gmtime( &c->c_starttime );
 279         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 280         mtm = gmtime( &c->c_activitytime );
 281         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 282 # endif /* HAVE_GMTIME_R */
 283 #endif /* !HACK_LOCAL_TIME */
 284 #ifndef HAVE_GMTIME_R
 285         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 286 #endif
 287
 288 #ifndef HAVE_GMTIME_R
 289         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 290 #endif
 291
 292 #ifdef HAVE_GMTIME_R
 293         ltm = gmtime_r( &c->c_starttime, &tm_buf );
 294 #else
 295         ltm = gmtime( &c->c_starttime );
 296 #endif
 297         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 298
 299 #ifdef HAVE_GMTIME_R
 300         ltm = gmtime_r( &c->c_activitytime, &tm_buf );
 301 #else
 302         ltm = gmtime( &c->c_activitytime );
 303 #endif
 304         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 305
 306 #ifndef HAVE_GMTIME_R
 307         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 308 #endif /* HAVE_GMTIME_R */
 309
 310         snprintf( buf, sizeof( buf ),
 311                 "dn: cn=Connection %ld,%s\n"
 312                 "objectClass: %s\n"
 313                 "structuralObjectClass: %s\n"
 314                 "cn: Connection %ld\n"
 315
 316                 /* NOTE: this will disappear, as the exploded data
 317                  * has been moved to dedicated attributes */
 318                 "%s: "
 319                         "%ld "
 320                         ": %ld "
 321                         ": %ld/%ld/%ld/%ld "
 322                         ": %ld/%ld/%ld "
 323                         ": %s%s%s%s%s%s "
 324                         ": %s "
 325                         ": %s "
 326                         ": %s "
 327                         ": %s "
 328                         ": %s "
 329                         ": %s "
 330                         ": %s\n"
 331
 332                 "%s: %lu\n"
 333                 "%s: %ld\n"
 334
 335                 "%s: %ld\n"
 336                 "%s: %ld\n"
 337                 "%s: %ld\n"
 338                 "%s: %ld\n"
 339
 340                 "%s: %ld\n"
 341                 "%s: %ld\n"
 342                 "%s: %ld\n"
 343
 344                 "%s: %s%s%s%s%s%s\n"
 345
 346                 "%s: %s\n"
 347
 348                 "%s: %s\n"
 349                 "%s: %s\n"
 350                 "%s: %s\n"
 351                 "%s: %s\n"
 352
 353                 "%s: %s\n"
 354                 "%s: %s\n"
 355
 356                 "creatorsName: %s\n"
 357                 "modifiersName: %s\n"
 358                 "createTimestamp: %s\n"
 359                 "modifyTimestamp: %s\n",
 360                 c->c_connid, ms->mss_dn.bv_val,
 361                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 362                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 363                 c->c_connid,
 364
 365                 mi->mi_ad_monitoredInfo->ad_cname.bv_val,
 366                         c->c_connid,
 367                         (long) c->c_protocol,
 368                         c->c_n_ops_received, c->c_n_ops_executing,
 369                                 c->c_n_ops_pending, c->c_n_ops_completed,
 370
 371                         /* add low-level counters here */
 372                         c->c_n_get, c->c_n_read, c->c_n_write,
 373
 374                         c->c_currentber ? "r" : "",
 375                         c->c_writewaiter ? "w" : "",
 376                         LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 377                         LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 378                         connection_state2str( c->c_conn_state ),
 379                         c->c_sasl_bind_in_progress ? "S" : "",
 380
 381                         c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 382
 383                         c->c_listener_url.bv_val,
 384                         c->c_peer_domain.bv_val,
 385                         c->c_peer_name.bv_val,
 386                         c->c_sock_name.bv_val,
 387
 388                         buf2,
 389                         buf3,
 390
 391                 mi->mi_ad_monitorConnectionNumber->ad_cname.bv_val,
 392                         c->c_connid,
 393                 mi->mi_ad_monitorConnectionProtocol->ad_cname.bv_val,
 394                         (long)c->c_protocol,
 395
 396                 mi->mi_ad_monitorConnectionOpsReceived->ad_cname.bv_val,
 397                         c->c_n_ops_received,
 398                 mi->mi_ad_monitorConnectionOpsExecuting->ad_cname.bv_val,
 399                         c->c_n_ops_executing,
 400                 mi->mi_ad_monitorConnectionOpsPending->ad_cname.bv_val,
 401                         c->c_n_ops_pending,
 402                 mi->mi_ad_monitorConnectionOpsCompleted->ad_cname.bv_val,
 403                         c->c_n_ops_completed,
 404
 405                 mi->mi_ad_monitorConnectionGet->ad_cname.bv_val,
 406                         c->c_n_get,
 407                 mi->mi_ad_monitorConnectionRead->ad_cname.bv_val,
 408                         c->c_n_read,
 409                 mi->mi_ad_monitorConnectionWrite->ad_cname.bv_val,
 410                         c->c_n_write,
 411
 412                 mi->mi_ad_monitorConnectionMask->ad_cname.bv_val,
 413                         c->c_currentber ? "r" : "",
 414                         c->c_writewaiter ? "w" : "",
 415                         LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 416                         LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 417                         connection_state2str( c->c_conn_state ),
 418                         c->c_sasl_bind_in_progress ? "S" : "",
 419
 420                 mi->mi_ad_monitorConnectionAuthzDN->ad_cname.bv_val,
 421                         c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 422
 423                 mi->mi_ad_monitorConnectionListener->ad_cname.bv_val,
 424                         c->c_listener_url.bv_val,
 425                 mi->mi_ad_monitorConnectionPeerDomain->ad_cname.bv_val,
 426                         c->c_peer_domain.bv_val,
 427                 mi->mi_ad_monitorConnectionLocalAddress->ad_cname.bv_val,
 428                         c->c_peer_name.bv_val,
 429                 mi->mi_ad_monitorConnectionPeerAddress->ad_cname.bv_val,
 430                         c->c_sock_name.bv_val,
 431
 432                 mi->mi_ad_monitorConnectionStartTime->ad_cname.bv_val,
 433                         buf2,
 434                 mi->mi_ad_monitorConnectionActivityTime->ad_cname.bv_val,
 435                         buf3,
 436
 437                 mi->mi_creatorsName.bv_val,
 438                 mi->mi_creatorsName.bv_val,
 439                 ctmbuf,
 440                 mtmbuf );
 441
 442         e = str2entry( buf );
 443
 444         if ( e == NULL) {
 445                 Debug( LDAP_DEBUG_ANY,
 446                         "monitor_subsys_conn_create: "
 447                         "unable to create entry "
 448                         "\"cn=Connection %ld,%s\" entry\n",
 449                         c->c_connid,
 450                         ms->mss_dn.bv_val, 0 );
 451                 return( -1 );
 452         }
 453
 454         mp = monitor_entrypriv_create();
 455         if ( mp == NULL ) {
 456                 return -1;
 457         }
 458         e->e_private = ( void * )mp;
 459         mp->mp_info = ms;
 460         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 461
 462         *ep = e;
 463
 464         return( 0 );
 465 }
 466
 467 int
 468 monitor_subsys_conn_create(
 469         Operation               *op,
 470         struct berval           *ndn,
 471         Entry                   *e_parent,
 472         Entry                   **ep
 473 )
 474 {
 475         monitor_info_t  *mi = ( monitor_info_t * )op->o_bd->be_private;
 476
 477         Connection              *c;
 478         int                     connindex;
 479         monitor_entry_t         *mp;
 480         int                     rc = 0;
 481         monitor_subsys_t        *ms;
 482
 483         assert( mi != NULL );
 484         assert( e_parent != NULL );
 485         assert( ep != NULL );
 486
 487         ms = (( monitor_entry_t *)e_parent->e_private)->mp_info;
 488
 489         *ep = NULL;
 490
 491         if ( ndn == NULL ) {
 492                 Entry   *e = NULL,
 493                         *e_tmp = NULL;
 494
 495                 /* create all the children of e_parent */
 496                 for ( c = connection_first( &connindex );
 497                                 c != NULL;
 498                                 c = connection_next( c, &connindex ))
 499                 {
 500                         if ( conn_create( mi, c, &e, ms ) || e == NULL ) {
 501                                 for ( ; e_tmp != NULL; ) {
 502                                         mp = ( monitor_entry_t * )e_tmp->e_private;
 503                                         e = mp->mp_next;
 504
 505                                         ch_free( mp );
 506                                         e_tmp->e_private = NULL;
 507                                         entry_free( e_tmp );
 508
 509                                         e_tmp = e;
 510                                 }
 511                                 rc = -1;
 512                                 break;
 513                         }
 514                         mp = ( monitor_entry_t * )e->e_private;
 515                         mp->mp_next = e_tmp;
 516                         e_tmp = e;
 517                 }
 518                 connection_done(c);
 519                 *ep = e;
 520
 521         } else {
 522                 unsigned long           connid;
 523                 char                    *next = NULL;
 524                 static struct berval    nconn_bv = BER_BVC( "cn=connection " );
 525
 526
 527                 /* create exactly the required entry;
 528                  * the normalized DN must start with "cn=connection ",
 529                  * followed by the connection id, followed by
 530                  * the RDN separator "," */
 531                 if ( ndn->bv_len <= nconn_bv.bv_len
 532                                 || strncmp( ndn->bv_val, nconn_bv.bv_val, nconn_bv.bv_len ) != 0 )
 533                 {
 534                         return -1;
 535                 }
 536
 537                 connid = strtol( &ndn->bv_val[ nconn_bv.bv_len ], &next, 10 );
 538                 if ( next[ 0 ] != ',' ) {
 539                         return -1;
 540                 }
 541
 542                 for ( c = connection_first( &connindex );
 543                                 c != NULL;
 544                                 c = connection_next( c, &connindex )) {
 545                         if ( c->c_connid == connid ) {
 546                                 if ( conn_create( mi, c, ep, ms ) || *ep == NULL ) {
 547                                         rc = -1;
 548                                 }
 549
 550                                 break;
 551                         }
 552                 }
 553
 554                 connection_done(c);
 555         }
 556
 557         return rc;
 558 }
 559