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[1024];
  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                 SLAPD_MONITOR_OBJECTCLASSES
  85                 "cn: Total\n",
  86                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.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->monitor_ad_description, &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                 SLAPD_MONITOR_OBJECTCLASSES
 142                 "cn: Current\n",
 143                 monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val );
 144
 145         e = str2entry( buf );
 146         if ( e == NULL ) {
 147 #ifdef NEW_LOGGING
 148                 LDAP_LOG( OPERATION, CRIT,
 149                         "monitor_subsys_conn_init: "
 150                         "unable to create entry 'cn=Current,%s'\n",
 151                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 152 #else
 153                 Debug( LDAP_DEBUG_ANY,
 154                         "monitor_subsys_conn_init: "
 155                         "unable to create entry 'cn=Current,%s'\n%s%s",
 156                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 157                         "", "" );
 158 #endif
 159                 return( -1 );
 160         }
 161
 162         bv.bv_val = "0";
 163         bv.bv_len = 1;
 164         attr_merge_one( e, mi->monitor_ad_description, &bv, NULL );
 165
 166         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 167         e->e_private = ( void * )mp;
 168         mp->mp_next = e_tmp;
 169         mp->mp_children = NULL;
 170         mp->mp_info = &monitor_subsys[SLAPD_MONITOR_CONN];
 171         mp->mp_flags = monitor_subsys[SLAPD_MONITOR_CONN].mss_flags \
 172                 | MONITOR_F_SUB | MONITOR_F_PERSISTENT;
 173         mp->mp_flags &= ~MONITOR_F_VOLATILE_CH;
 174
 175         if ( monitor_cache_add( mi, e ) ) {
 176 #ifdef NEW_LOGGING
 177                 LDAP_LOG( OPERATION, CRIT,
 178                         "monitor_subsys_conn_init: "
 179                         "unable to add entry 'cn=Current,%s'\n",
 180                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val, 0, 0 );
 181 #else
 182                 Debug( LDAP_DEBUG_ANY,
 183                         "monitor_subsys_conn_init: "
 184                         "unable to add entry 'cn=Current,%s'\n%s%s",
 185                         monitor_subsys[SLAPD_MONITOR_CONN].mss_ndn.bv_val,
 186                         "", "" );
 187 #endif
 188                 return( -1 );
 189         }
 190
 191         e_tmp = e;
 192
 193         mp = ( struct monitorentrypriv * )e_conn->e_private;
 194         mp->mp_children = e_tmp;
 195
 196         monitor_cache_release( mi, e_conn );
 197
 198         return( 0 );
 199 }
 200
 201 int
 202 monitor_subsys_conn_update(
 203         Operation               *op,
 204         Entry                   *e
 205 )
 206 {
 207         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 208         long            n = -1;
 209
 210         assert( mi );
 211         assert( e );
 212
 213         if ( strncasecmp( e->e_ndn, "cn=total",
 214                                 sizeof("cn=total")-1 ) == 0 ) {
 215                 n = connections_nextid();
 216
 217         } else if ( strncasecmp( e->e_ndn, "cn=current",
 218                                 sizeof("cn=current")-1 ) == 0 ) {
 219                 Connection      *c;
 220                 int             connindex;
 221
 222                 for ( n = 0, c = connection_first( &connindex );
 223                                 c != NULL;
 224                                 n++, c = connection_next( c, &connindex ) ) {
 225                         /* No Op */ ;
 226                 }
 227                 connection_done(c);
 228         }
 229
 230         if ( n != -1 ) {
 231                 Attribute       *a;
 232                 char            buf[16];
 233
 234                 a = attr_find( e->e_attrs, mi->monitor_ad_description );
 235                 if ( a == NULL ) {
 236                         return( -1 );
 237                 }
 238
 239                 snprintf( buf, sizeof( buf ), "%ld", n );
 240                 free( a->a_vals[ 0 ].bv_val );
 241                 ber_str2bv( buf, 0, 1, a->a_vals );
 242         }
 243
 244         return( 0 );
 245 }
 246
 247 static int
 248 conn_create(
 249         struct monitorinfo      *mi,
 250         Connection              *c,
 251         Entry                   **ep
 252 )
 253 {
 254         struct monitorentrypriv *mp;
 255         struct tm               *ltm;
 256         char                    buf[ 1024 ];
 257         char                    buf2[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 258         char                    buf3[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 259
 260         struct berval           bv;
 261
 262         Entry                   *e;
 263
 264         assert( c != NULL );
 265         assert( ep != NULL );
 266
 267         snprintf( buf, sizeof( buf ),
 268                 "dn: cn=" CONN_CN_PREFIX " %ld,%s\n"
 269                 SLAPD_MONITOR_OBJECTCLASSES
 270                 "cn: " CONN_CN_PREFIX " %ld\n",
 271                 c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val,
 272                 c->c_connid );
 273         e = str2entry( buf );
 274
 275         if ( e == NULL) {
 276 #ifdef NEW_LOGGING
 277                 LDAP_LOG( OPERATION, CRIT,
 278                         "monitor_subsys_conn_create: "
 279                         "unable to create entry "
 280                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 281                         c->c_connid, monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 282 #else
 283                 Debug( LDAP_DEBUG_ANY,
 284                         "monitor_subsys_conn_create: "
 285                         "unable to create entry "
 286                         "'cn=" CONN_CN_PREFIX " %ld,%s' entry\n",
 287                         c->c_connid,
 288                         monitor_subsys[SLAPD_MONITOR_CONN].mss_dn.bv_val, 0 );
 289 #endif
 290                 return( -1 );
 291         }
 292
 293         ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 294
 295         ltm = gmtime( &c->c_starttime );
 296         lutil_gentime( buf2, sizeof( buf2 ), ltm );
 297
 298         ltm = gmtime( &c->c_activitytime );
 299         lutil_gentime( buf3, sizeof( buf3 ), ltm );
 300
 301         ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 302
 303         sprintf( buf,
 304                 "%ld : %ld "
 305                 ": %ld/%ld/%ld/%ld "
 306                 ": %ld/%ld/%ld "
 307                 ": %s%s%s%s%s%s "
 308                 ": %s : %s : %s "
 309                 ": %s : %s : %s : %s",
 310                 c->c_connid,
 311                 (long) c->c_protocol,
 312                 c->c_n_ops_received, c->c_n_ops_executing,
 313                 c->c_n_ops_pending, c->c_n_ops_completed,
 314
 315                 /* add low-level counters here */
 316                 c->c_n_get, c->c_n_read, c->c_n_write,
 317
 318                 c->c_currentber ? "r" : "",
 319                 c->c_writewaiter ? "w" : "",
 320                 LDAP_STAILQ_EMPTY( &c->c_ops ) ? "" : "x",
 321                 LDAP_STAILQ_EMPTY( &c->c_pending_ops ) ? "" : "p",
 322                 connection_state2str( c->c_conn_state ),
 323                 c->c_sasl_bind_in_progress ? "S" : "",
 324
 325                 c->c_dn.bv_len ? c->c_dn.bv_val : SLAPD_ANONYMOUS,
 326
 327                 c->c_listener_url.bv_val,
 328                 c->c_peer_domain.bv_val,
 329                 c->c_peer_name.bv_val,
 330                 c->c_sock_name.bv_val,
 331
 332                 buf2,
 333                 buf3
 334                 );
 335
 336         bv.bv_val = buf;
 337         bv.bv_len = strlen( buf );
 338         attr_merge_one( e, mi->monitor_ad_description, &bv, NULL );
 339
 340         mp = ( struct monitorentrypriv * )ch_calloc( sizeof( struct monitorentrypriv ), 1 );
 341         e->e_private = ( void * )mp;
 342         mp->mp_info = &monitor_subsys[ SLAPD_MONITOR_CONN ];
 343         mp->mp_children = NULL;
 344         mp->mp_flags = MONITOR_F_SUB | MONITOR_F_VOLATILE;
 345
 346         *ep = e;
 347
 348         return( 0 );
 349 }
 350
 351 int
 352 monitor_subsys_conn_create(
 353         Operation               *op,
 354         struct berval           *ndn,
 355         Entry                   *e_parent,
 356         Entry                   **ep
 357 )
 358 {
 359         struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
 360         Connection              *c;
 361         int                     connindex;
 362         struct monitorentrypriv *mp;
 363
 364         assert( mi != NULL );
 365         assert( e_parent != NULL );
 366         assert( ep != NULL );
 367
 368         *ep = NULL;
 369
 370         if ( ndn == NULL ) {
 371                 Entry *e, *e_tmp = NULL;
 372
 373                 /* create all the children of e_parent */
 374                 for ( c = connection_first( &connindex );
 375                                 c != NULL;
 376                                 c = connection_next( c, &connindex )) {
 377                         if ( conn_create( mi, c, &e ) || e == NULL ) {
 378                                 connection_done(c);
 379                                 for ( ; e_tmp != NULL; ) {
 380                                         mp = ( struct monitorentrypriv * )e_tmp->e_private;
 381                                         e = mp->mp_next;
 382
 383                                         ch_free( mp );
 384                                         e_tmp->e_private = NULL;
 385                                         entry_free( e_tmp );
 386
 387                                         e_tmp = e;
 388                                 }
 389                                 return( -1 );
 390                         }
 391                         mp = ( struct monitorentrypriv * )e->e_private;
 392                         mp->mp_next = e_tmp;
 393                         e_tmp = e;
 394                 }
 395                 connection_done(c);
 396
 397                 *ep = e;
 398
 399         } else {
 400                 LDAPRDN         values = NULL;
 401                 const char      *text = NULL;
 402                 unsigned long   connid;
 403
 404                 /* create exactly the required entry */
 405
 406                 if ( ldap_bv2rdn( ndn, &values, (char **)&text,
 407                         LDAP_DN_FORMAT_LDAP ) )
 408                 {
 409                         return( -1 );
 410                 }
 411
 412                 assert( values );
 413                 assert( values[ 0 ] );
 414
 415                 connid = atol( values[ 0 ]->la_value.bv_val
 416                                 + sizeof( CONN_CN_PREFIX ) );
 417
 418                 ldap_rdnfree( values );
 419
 420                 for ( c = connection_first( &connindex );
 421                                 c != NULL;
 422                                 c = connection_next( c, &connindex )) {
 423                         if ( c->c_connid == connid ) {
 424                                 if ( conn_create( mi, c, ep ) || *ep == NULL ) {
 425                                         connection_done(c);
 426                                         return( -1 );
 427                                 }
 428
 429                                 break;
 430                         }
 431                 }
 432
 433                 connection_done(c);
 434
 435         }
 436
 437         return( 0 );
 438 }
 439