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