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

   1 /* conn.c - deal with connection subsystem */
   2 /*
   3  * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
   4  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   5  */
   6 /*
   7  * Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
   8  *
   9  * This work has beed deveolped for the OpenLDAP Foundation
  10  * in the hope that it may be useful to the Open Source community,
  11  * but WITHOUT ANY WARRANTY.
  12  *
  13  * Permission is granted to anyone to use this software for any purpose
  14  * on any computer system, and to alter it and redistribute it, subject
  15  * to the following restrictions:
  16  *
  17  * 1. The author and SysNet s.n.c. are not responsible for the consequences
  18  *    of use of this software, no matter how awful, even if they arise from
  19  *    flaws in it.
  20  *
  21  * 2. The origin of this software must not be misrepresented, either by
  22  *    explicit claim or by omission.  Since few users ever read sources,
  23  *    credits should appear in the documentation.
  24  *
  25  * 3. Altered versions must be plainly marked as such, and must not be
  26  *    misrepresented as being the original software.  Since few users
  27  *    ever read sources, credits should appear in the documentation.
  28  *    SysNet s.n.c. cannot be responsible for the consequences of the
  29  *    alterations.
  30  *
  31  * 4. This notice may not be removed or altered.
  32  */
  33
  34 #include "portable.h"
  35
  36 #include <stdio.h>
  37 #include <ac/string.h>
  38
  39 #include "slap.h"
  40 #include "lutil.h"
  41 #include "back-monitor.h"
  42
  43 #define CONN_CN_PREFIX  "Connection"
  44
  45 int
  46 monitor_subsys_conn_init(
  47         BackendDB               *be
  48 )
  49 {
  50         struct monitorinfo      *mi;
  51
  52         Entry                   *e, *e_tmp, *e_conn;
  53         struct monitorentrypriv *mp;
  54         char                    buf[ BACKMONITOR_BUFSIZE ];
  55         struct berval           bv;
  56
  57         assert( be != NULL );
  58
  59         mi = ( struct monitorinfo * )be->be_private;
  60
  61         if ( monitor_cache_get( mi,
  62                         &monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn, &e_conn ) ) {
  63 #ifdef NEW_LOGGING
  64                 LDAP_LOG( OPERATION, CRIT,
  65                         "monitor_subsys_conn_init: "
  66                         "unable to get entry '%s'\n",
  67                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
  68 #else
  69                 Debug( LDAP_DEBUG_ANY,
  70                         "monitor_subsys_conn_init: "
  71                         "unable to get entry '%s'\n%s%s",
  72                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
  73                         "", "" );
  74 #endif
  75                 return( -1 );
  76         }
  77
  78         e_tmp = NULL;
  79
  80         /*
  81          * Total conns
  82          */
  83         snprintf( buf, sizeof( buf ),
  84                 "dn: cn=Total,%s\n"
  85                 "objectClass: %s\n"
  86                 "structuralObjectClass: %s\n"
  87                 "cn: Total\n"
  88                 "createTimestamp: %s\n"
  89                 "modifyTimestamp: %s\n",
  90                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
  91                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  92                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
  93                 mi->mi_startTime.bv_val,
  94                 mi->mi_startTime.bv_val );
  95
  96         e = str2entry( buf );
  97         if ( e == NULL ) {
  98 #ifdef NEW_LOGGING
  99                 LDAP_LOG( OPERATION, CRIT,
 100                         "monitor_subsys_conn_init: "
 101                         "unable to create entry 'cn=Total,%s'\n",
 102                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 103 #else
 104                 Debug( LDAP_DEBUG_ANY,
 105                         "monitor_subsys_conn_init: "
 106                         "unable to create entry 'cn=Total,%s'\n%s%s",
 107                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 108                         "", "" );
 109 #endif
 110                 return( -1 );
 111         }
 112
 113         bv.bv_val = "0";
 114         bv.bv_len = 1;
 115         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
 116
 117         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 118         e->e_private = ( void * )mp;
 119         mp->mp_next = e_tmp;
 120         mp->mp_children = NULL;
 121         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 122         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 123                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 124         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 125
 126         if ( monitor_cache_add( mi, e ) ) {
 127 #ifdef NEW_LOGGING
 128                 LDAP_LOG( OPERATION, CRIT,
 129                         "monitor_subsys_conn_init: "
 130                         "unable to add entry 'cn=Total,%s'\n",
 131                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 132 #else
 133                 Debug( LDAP_DEBUG_ANY,
 134                         "monitor_subsys_conn_init: "
 135                         "unable to add entry 'cn=Total,%s'\n%s%s",
 136                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 137                         "", "" );
 138 #endif
 139                 return( -1 );
 140         }
 141
 142         e_tmp = e;
 143
 144         /*
 145          * Current conns
 146          */
 147         snprintf( buf, sizeof( buf ),
 148                 "dn: cn=Current,%s\n"
 149                 "objectClass: %s\n"
 150                 "structuralObjectClass: %s\n"
 151                 "cn: Current\n"
 152                 "createTimestamp: %s\n"
 153                 "modifyTimestamp: %s\n",
 154                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 155                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 156                 mi->mi_oc_monitorCounterObject->soc_cname.bv_val,
 157                 mi->mi_startTime.bv_val,
 158                 mi->mi_startTime.bv_val );
 159
 160         e = str2entry( buf );
 161         if ( e == NULL ) {
 162 #ifdef NEW_LOGGING
 163                 LDAP_LOG( OPERATION, CRIT,
 164                         "monitor_subsys_conn_init: "
 165                         "unable to create entry 'cn=Current,%s'\n",
 166                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 167 #else
 168                 Debug( LDAP_DEBUG_ANY,
 169                         "monitor_subsys_conn_init: "
 170                         "unable to create entry 'cn=Current,%s'\n%s%s",
 171                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 172                         "", "" );
 173 #endif
 174                 return( -1 );
 175         }
 176
 177         bv.bv_val = "0";
 178         bv.bv_len = 1;
 179         attr_merge_one( e, mi->mi_ad_monitorCounter, &bv, NULL );
 180
 181         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 182         e->e_private = ( void * )mp;
 183         mp->mp_next = e_tmp;
 184         mp->mp_children = NULL;
 185         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 186         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 187                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 188         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 189
 190         if ( monitor_cache_add( mi, e ) ) {
 191 #ifdef NEW_LOGGING
 192                 LDAP_LOG( OPERATION, CRIT,
 193                         "monitor_subsys_conn_init: "
 194                         "unable to add entry 'cn=Current,%s'\n",
 195                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 196 #else
 197                 Debug( LDAP_DEBUG_ANY,
 198                         "monitor_subsys_conn_init: "
 199                         "unable to add entry 'cn=Current,%s'\n%s%s",
 200                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 201                         "", "" );
 202 #endif
 203                 return( -1 );
 204         }
 205
 206         e_tmp = e;
 207
 208         mp = ( struct monitorentrypriv * )e_conn->e_private;
 209         mp->mp_children = e_tmp;
 210
 211         monitor_cache_release( mi, e_conn );
 212
 213         return( 0 );
 214 }
 215
 216 int
 217 monitor_subsys_conn_update(
 218         Operation               *op,
 219         Entry                   *e
 220 )
 221 {
 222         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 223         long            n = -1;
 224
 225         assert( mi );
 226         assert( e );
 227
 228         if ( strncasecmp( e->e_ndn, "cn=total",
 229                                 sizeof("cn=total")-1 ) == 0 ) {
 230                 n = connections_nextid();
 231
 232         } else if ( strncasecmp( e->e_ndn, "cn=current",
 233                                 sizeof("cn=current")-1 ) == 0 ) {
 234                 Connection      *c;
 235                 int             connindex;
 236
 237                 for ( n = 0, c = connection_first( &connindex );
 238                                 c != NULL;
 239                                 n++, c = connection_next( c, &connindex ) ) {
 240                         /* No Op */ ;
 241                 }
 242                 connection_done(c);
 243         }
 244
 245         if ( n != -1 ) {
 246                 Attribute       *a;
 247                 char            buf[] = "+9223372036854775807L";
 248
 249                 a = attr_find( e->e_attrs, mi->mi_ad_monitorCounter );
 250                 if ( a == NULL ) {
 251                         return( -1 );
 252                 }
 253
 254                 snprintf( buf, sizeof( buf ), "%ld", n );
 255                 free( a->a_vals[ 0 ].bv_val );
 256                 ber_str2bv( buf, 0, 1, a->a_vals );
 257         }
 258
 259         return( 0 );
 260 }
 261
 262 static int
 263 conn_create(
 264         struct monitorinfo      *mi,
 265         Connection              *c,
 266         Entry                   **ep
 267 )
 268 {
 269         struct monitorentrypriv *mp;
 270         struct tm               *ltm;
 271         char                    buf[ BACKMONITOR_BUFSIZE ];
 272         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 273         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 274
 275         struct berval           bv;
 276
 277         Entry                   *e;
 278
 279         struct tm       *ctm;
 280         char            ctmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 281         struct tm       *mtm;
 282         char            mtmbuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 283
 284         assert( c != NULL );
 285         assert( ep != NULL );
 286
 287         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 288 #ifdef HACK_LOCAL_TIME
 289         ctm = localtime( &c->c_starttime );
 290         lutil_localtime( ctmbuf, sizeof( ctmbuf ), ctm, -timezone );
 291         mtm = localtime( &c->c_activitytime );
 292         lutil_localtime( mtmbuf, sizeof( mtmbuf ), mtm, -timezone );
 293 #else /* !HACK_LOCAL_TIME */
 294         ctm = gmtime( &c->c_starttime );
 295         lutil_gentime( ctmbuf, sizeof( ctmbuf ), ctm );
 296         mtm = gmtime( &c->c_activitytime );
 297         lutil_gentime( mtmbuf, sizeof( mtmbuf ), mtm );
 298 #endif /* !HACK_LOCAL_TIME */
 299         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 300
 301         snprintf( buf, sizeof( buf ),
 302                 "dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
 303                 "objectClass: %s\n"
 304                 "structuralObjectClass: %s\n"
 305                 "cn: " CONN_CN_PREFIX " %ld\n"
 306                 "createTimestamp: %s\n"
 307                 "modifyTimestamp: %s\n",
 308                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 309                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 310                 mi->mi_oc_monitorConnection->soc_cname.bv_val,
 311                 c->c_connid,
 312                 ctmbuf, mtmbuf );
 313
 314         e = str2entry( buf );
 315
 316         if ( e == NULL) {
 317 #ifdef NEW_LOGGING
 318                 LDAP_LOG( OPERATION, CRIT,
 319                         "monitor_subsys_conn_create: "
 320                         "unable to create entry "
 321                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 322                         c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 323 #else
 324                 Debug( LDAP_DEBUG_ANY,
 325                         "monitor_subsys_conn_create: "
 326                         "unable to create entry "
 327                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 328                         c->c_connid,
 329                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 330 #endif
 331                 return( -1 );
 332         }
 333
 334         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 335
 336         ltm = gmtime( &c->c_starttime );
 337         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 338
 339         ltm = gmtime( &c->c_activitytime );
 340         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 341
 342         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 343
 344         /* monitored info */
 345         sprintf( buf,
 346                 "%ld : %ld "
 347                 ": %ld/%ld/%ld/%ld "
 348                 ": %ld/%ld/%ld "
 349                 ": %s%s%s%s%s%s "
 350                 ": %s : %s : %s "
 351                 ": %s : %s : %s : %s",
 352                 c->c_connid,
 353                 (long) c->c_protocol,
 354                 c->c_n_ops_received, c->c_n_ops_executing,
 355                 c->c_n_ops_pending, c->c_n_ops_completed,
 356
 357                 /* add low-level counters here */
 358                 c->c_n_get, c->c_n_read, c->c_n_write,
 359
 360                 c->c_currentber ? "r" : "",
 361                 c->c_writewaiter ? "w" : "",
 362                 LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 363                 LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 364                 connection_state2str( c->c_conn_state ),
 365                 c->c_sasl_bind_in_progress ? "S" : "",
 366
 367                 c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 368
 369                 c->c_listener_url.bv_val,
 370                 c->c_peer_domain.bv_val,
 371                 c->c_peer_name.bv_val,
 372                 c->c_sock_name.bv_val,
 373
 374                 buf2,
 375                 buf3
 376                 );
 377
 378         bv.bv_val = buf;
 379         bv.bv_len = strlen( buf );
 380         attr_merge_one( e, mi->mi_ad_monitoredInfo, &bv, NULL );
 381
 382         /* connection number */
 383         snprintf( buf, sizeof( buf ), "%ld", c->c_connid );
 384         bv.bv_val = buf;
 385         bv.bv_len = strlen( buf );
 386         attr_merge_one( e, mi->mi_ad_monitorConnectionNumber, &bv, NULL );
 387
 388         /* authz DN */
 389         attr_merge_one( e, mi->mi_ad_monitorConnectionAuthzDN,
 390                         &c->c_dn, &c->c_ndn );
 391
 392         /* local address */
 393         attr_merge_one( e, mi->mi_ad_monitorConnectionLocalAddress,
 394                         &c->c_sock_name, NULL );
 395
 396         /* peer address */
 397         attr_merge_one( e, mi->mi_ad_monitorConnectionPeerAddress,
 398                         &c->c_peer_name, NULL );
 399
 400         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 401         e->e_private = ( void * )mp;
 402         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 403         mp->mp_children = NULL;
 404         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 405
 406         *ep = e;
 407
 408         return( 0 );
 409 }
 410
 411 int
 412 monitor_subsys_conn_create(
 413         Operation               *op,
 414         struct berval           *ndn,
 415         Entry                   *e_parent,
 416         Entry                   **ep
 417 )
 418 {
 419         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 420         Connection              *c;
 421         int                     connindex;
 422         struct monitorentrypriv *mp;
 423
 424         assert( mi != NULL );
 425         assert( e_parent != NULL );
 426         assert( ep != NULL );
 427
 428         *ep = NULL;
 429
 430         if ( ndn == NULL ) {
 431                 Entry *e, *e_tmp = NULL;
 432
 433                 /* create all the children of e_parent */
 434                 for ( c = connection_first( &connindex );
 435                                 c != NULL;
 436                                 c = connection_next( c, &connindex )) {
 437                         if ( conn_create( mi, c, &e ) || e == NULL ) {
 438                                 connection_done(c);
 439                                 for ( ; e_tmp != NULL; ) {
 440                                         mp = ( struct monitorentrypriv * )e_tmp->e_private;
 441                                         e = mp->mp_next;
 442
 443                                         ch_free( mp );
 444                                         e_tmp->e_private = NULL;
 445                                         entry_free( e_tmp );
 446
 447                                         e_tmp = e;
 448                                 }
 449                                 return( -1 );
 450                         }
 451                         mp = ( struct monitorentrypriv * )e->e_private;
 452                         mp->mp_next = e_tmp;
 453                         e_tmp = e;
 454                 }
 455                 connection_done(c);
 456
 457                 *ep = e;
 458
 459         } else {
 460                 LDAPRDN         values = NULL;
 461                 const char      *text = NULL;
 462                 unsigned long   connid;
 463
 464                 /* create exactly the required entry */
 465
 466                 if ( ldap_bv2rdn( ndn, &values, (char **)&text,
 467                         LDAP_DN_FORMAT_LDAP ) )
 468                 {
 469                         return( -1 );
 470                 }
 471
 472                 assert( values );
 473                 assert( values[ 0 ] );
 474
 475                 connid = atol( values[ 0 ]->la_value.bv_val
 476                                 + sizeof( CONN_CN_PREFIX ) );
 477
 478                 ldap_rdnfree( values );
 479
 480                 for ( c = connection_first( &connindex );
 481                                 c != NULL;
 482                                 c = connection_next( c, &connindex )) {
 483                         if ( c->c_connid == connid ) {
 484                                 if ( conn_create( mi, c, ep ) || *ep == NULL ) {
 485                                         connection_done( c );
 486                                         return( -1 );
 487                                 }
 488
 489                                 break;
 490                         }
 491                 }
 492
 493                 connection_done(c);
 494
 495         }
 496
 497         return( 0 );
 498 }
 499